DISCRETE ABSORBENT INSERT

专利摘要:
absorbent insert with positioning notch. the absorbent insert includes a first sheet, a second sheet facing the first sheet and an absorbent core positioned between the first sheet and the second sheet. the absorbent core defines a core perimeter that includes a first absorbent core positioning notch. the first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal. the perimeter seal defines an absorbent insert perimeter which includes a first absorbent insert positioning notch. the first absorbent core positioning notch has a depth of 30 to 60 mm, the first absorbent insert positioning notch has a depth of 30 to 60 mm, and the first absorbent insert positioning notch is aligned with the first absorbent insert positioning notch. absorbent core positioning.
公开号:BR112015000522B1
申请号:R112015000522-5
申请日:2013-07-10
公开日:2021-07-13
发明作者:Marcille Faye Ruman；Lewis Preole Orchard Iv；Anita Marie-Nanette Gilgenbach；Brooke Ashley Berg；Thomas Harold Roessler
申请人:Kimberly-Clark Worldwide, Inc.；
IPC主号:

专利说明:

REFERENCE TO PREVIOUSLY SENT REQUEST
[1] This patent application is a continuation in part of Patent Application No. 13/548,012, entitled CONTAINMENT SYSTEM, and filed on July 12, 2012. HISTORY OF THE INVENTION
[2] Although disposable absorbent garments offer a convenient way to control bedwetting, many enuretic families are not satisfied with these products as they are viewed as diaper-like items by the user who wishes to wear conventional underwear. As such, many improvements have been made to disposable absorbent clothing to make it more similar to underwear. For example, gender-specific graphic signs have been added and softer non-woven materials have been used. However, many potential users are still looking for a product that looks and feels more similar to conventional underwear, but is still able to help control urinary incontinence. Therefore, there still remains a need for pants that are similar to underwear, but that still help to contain the urine emitted. SUMMARY OF THE INVENTION
[3] In one aspect, the present invention provides a discrete absorbent insert having a first sheet, a second sheet facing the first sheet, and an absorbent core positioned between the first sheet and the second sheet. The absorbent core defines a core perimeter that includes a first absorbent core positioning notch. The first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal. The perimeter seal defines an absorbent insert perimeter which includes a first absorbent insert positioning notch. The first absorbent core positioning notch has a depth of 30 to 60 mm, the first absorbent insert positioning notch has a depth of 30 to 60 mm, the first absorbent insert positioning notch being aligned with the first notch of absorbent core positioning.
[4] In some embodiments, the depth of the first absorbent insert positioning notch is 75 to 100% of the depth of the first absorbent core positioning notch. In some embodiments, the first absorbent core positioning notch has a midpoint width of 10 to 25 mm and the first absorbent insert positioning notch has a midpoint width of 1 to 15 mm.
[5] In some embodiments, the first sheet and second sheet extend a uniform amount beyond the complete core perimeter and the perimeter seal has a uniform width around the entire perimeter of the absorbent core. In some embodiments, the perimeter seal has a greater width within the absorbent core positioning notch compared to the remainder of the perimeter of the absorbent core.
[6] In some embodiments, the absorbent core further includes at least 40% superabsorbent, an absorbent layer situated between the first sheet and the absorbent core and having a basis weight of at least 85 gsm, and a capacity absorption of at least 600 g.
[7] In some embodiments, the first sheet and second sheet are fluid permeable. In some embodiments, the discrete absorbent insert is devoid of a fluid impervious layer.
[8] In various embodiments, the absorbent core also defines a longitudinal direction, a first end section, a second end section, and a center section. The center section is positioned between the first end section and the second end section. The first end section defines a maximum width of at least 135 mm, the center section defines a maximum width of less than 90 mm, and the second end section defines a maximum width of at least 135 mm.
[9] In various embodiments, the absorbent core also defines an absorbent core length, as measured in the longitudinal direction, from 340 to 450 mm.
[10] In some embodiments, the first absorbent core positioning notch is located in the first end section and the core perimeter includes a second absorbent core positioning notch located in the second end section. The second absorbent core positioning notch has a depth of 30 to 60 mm, the second absorbent insert positioning notch has a depth of 30 to 60 mm, and the second absorbent insert positioning notch is aligned with the second absorbent insert positioning notch. positioning of the absorbent core.
[11] In another aspect, the present invention provides a discrete absorbent insert containing a first sheet, a second sheet in frontal relationship with the first sheet, and an absorbent core positioned between the first sheet and the second sheet. The absorbent core defines a core perimeter that includes a first absorbent core positioning notch, at least 40% superabsorbent, and an absorbent capacity of at least 600 g. The absorbent insert also includes an absorbent layer located between the first sheet and the absorbent core and having a basis weight of at least 85 gsm. The first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal defining an absorbent insert perimeter which includes a first absorbent insert positioning notch. The first absorbent core positioning notch is 30 to 60 mm deep, the first absorbent insert positioning notch having a depth of 75% to 100% of the depth of the first absorbent core positioning notch, and the first absorbent insert positioning notch is aligned with the first absorbent core positioning notch.
[12] In various embodiments, the first absorbent core positioning notch is located in the first end section and the core perimeter includes a second absorbent core positioning notch located in the second end section. The first absorbent insert positioning notch is located in the first end section and the perimeter absorbent insert includes a second absorbent insert positioning notch located in the second end section. The second absorbent core positioning notch has a depth of 30 to 60 mm, the second absorbent insert positioning notch has a depth of 30 to 60 mm, and the second absorbent insert positioning notch is aligned with the second absorbent insert positioning notch. positioning of the absorbent core.
[13] In some embodiments, the first absorbent insert positioning notch is a closed notch and comprises a line of weakness. In some embodiments, the first absorbent core positioning notch has a midpoint of 10 to 25 mm and is aligned with the first absorbent insert positioning notch. In various embodiments, the first sheet and second sheet extend a uniform amount beyond the entire perimeter of the core and the perimeter seal has a uniform width around the entire perimeter of the absorbent core. In some embodiments, the first absorbent core positioning notch and the second absorbent core positioning notch have a midpoint width of 10 to 25 mm and are centered in a transverse direction.
[14] In another aspect, the present invention provides a discrete absorbent insert having a fluid permeable first sheet, a fluid permeable second sheet facing the first sheet, and an absorbent core positioned between the first sheet and the second sheet . The absorbent core defines a longitudinal direction, a first end section, a second end section, and a center section. The center section is positioned between the first end section and the second end section. The absorbent core also defines a core perimeter that includes a first absorbent core positioning notch located in the first end section; a second absorbent core positioning notch located in the second end section, at least 40% superabsorbent, and an absorbent capacity of at least 600 g. The absorbent insert also includes an absorbent layer located between the first sheet and the absorbent core and having a basis weight of at least 85 gsm. The first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal defining an absorbent insert perimeter, which includes a first absorbent insert positioning notch and a second absorbent insert positioning notch. . The first absorbent core positioning notch and the second absorbent core positioning notch have a depth of 30 to 60 mm and a midpoint width of 10 to 25 mm. The first absorbent insert positioning notch and the second absorbent insert positioning notch have a depth that is 75 to 100% of the depth of the first absorbent core positioning notch and the depth of the second absorbent core positioning notch, respectively. . The first absorbent insert positioning notch is aligned with the first absorbent core positioning notch and the second absorbent insert positioning notch is aligned with the second absorbent core positioning notch. The discrete absorbent insert is devoid of a fluid impervious layer.
[15] In various embodiments, the first end section defines a maximum width of at least 135 mm, the center section defines a maximum width of less than 90 mm, the second end section defines a maximum width of at least 135 mm, and the absorbent core also defines an absorbent core length of 340-450 mm, measured in the longitudinal direction.
[16] In some embodiments, the first sheet and second sheet extend a uniform amount beyond the complete core perimeter and the perimeter seal has a uniform width around the entire absorbent core perimeter. BRIEF DESCRIPTION OF THE DRAWINGS
[17] Figure 1 representatively illustrates a front perspective view of an example of a containment pants of the present invention.
[18] Figures 2 and 3 representatively illustrate a side perspective view of the containment pants of Figure 1 with the structure partially cut away to illustrate the internal structure.
[19] Figures 4 and 5 representatively illustrate a top view of the component parts of the outer layer of the containment pants. Figure 1.
[20] Figure 6 representatively illustrates a front perspective view of another example of containment pants of the present invention.
[21] Figures 7 and 8 representatively illustrate a side perspective view of the containment pants of Figure 6 with the structure partially cut away to illustrate the internal structure.
[22] Figures 9 and 10 representatively illustrate a top view of the component parts of the outer layer of the containment pants of Figure 6.
[23] Figure 11 representatively illustrates a top view of the component parts of a first example pouch and strip of the present invention.
[24] Figure 12 representatively illustrates a fully constructed bag made from the component parts of Figure 11.
[25] Figure 13 representatively illustrates a fully constructed strip made from the component parts of Figure 11.
[26] Figure 14 representatively illustrates a cross-sectional view of the strip of Figure 13 taken along line A-A.
[27] Figures 15 and 16 representatively illustrate side perspective views of the fully constructed strip of Figure 13 incorporated into a frame that is partially cut away to illustrate the internal frame.
[28] Figure 17 representatively illustrates a top view of the component parts of a second example pouch and strip of the present invention.
[29] Figure 18 representatively illustrates a fully constructed bag made from the component parts of Figure 17.
[30] Figure 19 representatively illustrates a fully constructed strip made from the component parts of Figure 17.
[31] Figure 20 representatively illustrates a cross-sectional view of the strip of Figure 19 taken along line B-B.
[32] Figures 21 and 22 representatively illustrate side perspective views of the fully constructed strip of Figure 19 incorporated into a frame that is partially cut away to illustrate the internal frame.
[33] Figure 23 representatively illustrates a top view of the component parts of a third example pouch and strap of the present invention.
[34] Figure 24 representatively illustrates a fully constructed bag made from the component parts of Figure 23.
[35] Figure 25 representatively illustrates a fully constructed strip made of the component parts of Figure 23.
[36] Figures 26 and 27 representatively illustrate side perspective views of the fully constructed strip of Figure 25 incorporated into a frame that is partially cut away to illustrate the internal frame.
[37] Figure 28 representatively illustrates a top view of component parts of another example pouch and strap of the present invention.
[38] Figure 29 representatively illustrates a fully constructed bag made from the component parts of Figure 28.
[39] Figures 30 and 31 representatively illustrate side perspective views of the fully constructed pocket of Figure 29 incorporated into a frame that is partially cut away to illustrate the internal frame.
[40] Figure 32 representatively illustrates an example test apparatus with a test pants loaded in a first configuration.
[41] Figure 33 representatively illustrates an example tester with a loaded test pant in a second configuration.
[42] Figure 34 representatively illustrates an example test apparatus with a test pants loaded in a third configuration.
[43] Figure 35 representatively illustrates a top view of an exemplary absorbent insert of the present invention with portions cut away to illustrate the underlying structure.
[44] Figure 36 representatively illustrates a cross-sectional view of the absorbent insert of Figure 35 taken along line C-C.
[45] Figure 37 representatively illustrates a top view of the absorbent core of Figure 35.
[46] Figure 38 representatively illustrates a top view of another example absorbent insert of the present invention with portions cut away to illustrate the underlying structure.
[47] Figure 39 representatively illustrates a cross-sectional view of the absorbent insert of Figure 38 taken along line D-D.
[48] Figures 40-45 graphically represent the data in Tables 7, 8 and 9.
[49] Figure 46 representatively illustrates an example of an exchange with an example of a first placement key.
[50] Figure 47 representatively illustrates an enlarged view of the encircled portion of Fig. 46.
[51] Figure 48 representatively illustrates an example of a bag with an example of a second positioning key.
[52] Figure 49 representatively illustrates an enlarged view of the encircled portion of Fig. 48.
[53] Figure 50 representatively illustrates an example exchange with an example of a third placement key.
[54] Figure 51 representatively illustrates an enlarged view of the encircled portion of Fig. 50.
[55] Figure 52 representatively illustrates a top view of another example absorbent insert of the present invention, with portions cut away to illustrate the underlying structure.
[56] Figure 53 representatively illustrates a cross-sectional view of the absorbent insert of Fig. 52 taken along line E-E.
[57] Figure 54 representatively illustrates a cross-sectional view of the absorbent insert of Fig. 52 taken along line F-F.
[58] Figure 55 representatively illustrates a top view of another example absorbent insert of the present invention, with portions cut away to illustrate the underlying structure.
[59] Figure 56 representatively illustrates a top view of another example absorbent insert of the present invention, with portions cut away to illustrate the underlying structure.
[60] Figure 57 representatively illustrates a cross-sectional view of the absorbent insert of Fig. 56 taken along line G-G.
[61] Figure 58 representatively illustrates a side perspective view of an exemplary strap and absorbent insert incorporated into an example chassis that is partially cut away to illustrate the internal structure. DETAILED DESCRIPTION OF THE DRAWINGS
[62] The containment pants of the present invention provide a durable outer structure and an inner pouch to contain a disposable absorbent insert. In some applications, the containment pants are provided in a permanently closed condition. As used herein, the term "permanently closed" refers to pants that are supplied in a condition that is adapted to be worn and pulled on like conventional underwear, and that are distinguished from pants with reusable zips and diapers that are supplied in an open condition and includes fasteners to secure the diapers around the wearer's body. Appropriate restraint pants are also described in US Patent Application No. 13/547,974 entitled "Container Pants", filed July 12, 2012, and with procedural registration number 64816460US01, is incorporated herein in its entirety for purposes of reference.
[63] An example containment pants of the present invention is representatively illustrated in Figures 1-3. Specifically, Figure 1 shows a side perspective view of a containment pants 10 containing a frame 12 and a strap 14 secured within the frame 12. Frame 12 defines a waist opening 16 and a pair of leg openings 18. Structure 12 also defines a front waist region 20, a rear waist region 22, and a genital region 28. The genital region 28 lies between the front waist region 20 and the rear waist region 22. The containment pants 10 of Figure 1 is shown in Figures 2 and 3 with frame 12 partially cut away to better illustrate the internal elements. Figure 2 representatively illustrates a side perspective view with the frame 12 partially cut away to better illustrate the positioning and construction of the strip 14 on the back of the containment pants 10. Figure 3 representatively illustrates a side view in perspective with the frame 12 partially cut away to better illustrate the construction and positioning of the strip 14 on the front of the containment pants 10. The containment pants 10 define a longitudinal direction 48 and a transverse direction 50 as illustrated in Figure 1. The longitudinal direction 48 extends. extends from the front waist region 20 through the genital region 28 and into the rear waist region 22. The transverse direction 50 is perpendicular to the longitudinal direction 48. The frame 12 includes an outer layer 36 and may further include a waist elastic , leg elastic, or both. Referring again to Figure 1, structure 12 is illustrated with a waist elastic 38 secured to outer layer 36 and encircling waist opening 16 and leg elastics 40 secured to outer layer 36 and encircling each of the leg openings 18 .
[64] Another example of the containment pants of the present invention is representatively illustrated in Figures 6-8. Specifically, Figure 6 shows a side perspective view of a containment pants 11 containing a frame 12 and a strap 14 secured within the frame 12. The frame 12 defines a waist opening 16 and a pair of leg openings 18. Structure 12 also defines a front waist region 20, a rear waist region 22, and a genital region 28. The genital region 28 is located between the front waist region 20 and the rear waist region 22. The containment pants 11 of Figure 6 is shown in Figures 7 and 8 with frame 12 partially cut away to better illustrate the internal elements. Figure 7 representatively illustrates a side perspective view with the frame 12 partially cut away to better illustrate the positioning and construction of the strip 14 on the back of the containment pants 11. Figure 8 representatively illustrates a side view in perspective with the frame 12 partially cut away to better illustrate the construction and positioning of the strip 14 on the front of the containment pants 11. The containment pants 11 also define a longitudinal direction 48 and a transverse direction 50 as illustrated in Figure 6. Frame 12 includes a outer layer 37 and may further include a waist band 38 or leg bands 40, or both. Referring again to the Figure In Figure 6, structure 12 is illustrated with a waist elastic 38 secured to the outer layer 37 and surrounding the waist opening 16 and leg elastics 40 secured to the outer layer 37 and surrounding each of the leg openings. 18.
[65] In many applications, the outer layer can be fabricated from a single piece of material or from several pieces of material. In some applications, the outer layer can be made from two or more pieces of material. For example, Figure 4 is a top view of the component parts of the outer layer 36 of Figures 1-3. The component parts include a front member 21 and a rear member 23. In another example, Figure 9 is a top view of the component parts of the outer layer 37 of Figures 6-8. The component parts include a front component 24 and a rear component 31.
[66] In many applications, the component parts of the outer layer can be joined in any suitable way. For example, front member 21 may be joined to back member 23 in a genital seam 29 as shown in Figure 5. Figure 5 is a top view of the component parts of outer layer 36 partially joined. In another example, front member 24 may be joined to back member 31 in a genital seam 29 as shown in Figure 10. Figure 10 is a top view of the component parts of outer layer 37 partially joined. In addition, one or both side edges of the back component can be joined to one or both side edges of the front member at one or more side seams to define a three-dimensional part. Specifically, referring to Figure 5, the side edges 25 of the back member 23 can be joined to the side edges 27 of the front member 21 at the side seams 26 to define the leg openings 18 and waist opening 16 of the containment pants 10 as illustrated in Figure 1. Similarly, the side edges 25 of the back member 31 of Figure 10 can be joined to the side edges 27 of the front member 24 at the side seams 26 to define the leg openings 18 and waist opening 16 of the containment pants 11 as illustrated. in Figure 6.
[67] In various applications, side seams and/or seams in the genital area can be formed using any suitable means such as ultrasonic bonding, thermal bonding, adhesive bonding, pressure bonding, sewing, the like and combinations thereof. . In some applications, the side seams and/or the seam in the genital area can be formed by sewing the component parts of the outer layer using yarn and any suitable stitch pattern or combination of patterns. In some applications, side seams and/or seams in the genital area can be formed using a strip seam.
[68] In some applications, the present invention provides a first outer layer having a first general shape and a second outer layer having a second general shape that is different from the first general shape. In some applications, the first shape of the outer layer can be adapted to the anatomy of a male user. In some applications, the second shape of the outer layer can be adapted to the anatomy of a female user. Customizing the first outer layer and/or the second outer layer is believed to be beneficial to allow for gender differences in anatomy, body shape and underwear style preferences. For example, the outer layer 36 illustrated in Figure 1 is shaped and styled suitable for men. In comparison, the outer layer 37 illustrated in Figure 6 is shaped and styled suitable for women. In some applications, the front members 21 may include protrusions 98 to partially define the leg openings as shown in Figures 4 and 5. In addition, the rear member 23 may also include protrusions 98 to partially define the leg openings as shown in Figures 4 and 5. Figures 4 and 5. In many applications, the front component may have an area that is similar in size to the area of the rear component as illustrated in Figures 9 and 10. In other applications, the front component may have an area that is significantly less than the area of the rear component, as illustrated in Figures 4 and 5.
[69] In many applications, the elastic waistband can surround at least 50, 60, 70, 80, or 90% of its waist opening. In some applications, the waist elastic 38 may encircle 100% of the waist opening 16 as representatively illustrated in Figures 1 and 6. In various applications, the leg elastic may encircle at least 50, 60, 70, 80 or 90% of one or both leg openings. In some applications, the leg elastic 40 may surround 100% of both leg openings 18 representatively illustrated in Figures 1 and 6.
[70] In various applications, the elastic waistband and/or the leg elastic can be in full frontal relationship with the outer layer (not shown). In some applications, the waist elastic and/or leg elastic may be partially or completely wrapped within the outer layer (not shown). In other applications, the waist elastic and/or the leg elastic may be supported relative to the outer layer. As used herein, the term "backed" refers to a waist elastic and/or leg elastic having less than 100% front relationship to the outer layer and extending beyond an outer edge of the outer layer. For example, again with reference to Figures 2 and 7, the waist elastics 38 are supported as they extend beyond the outer edge 46 of the respective outer layers 36 and 37. Likewise, the leg elastics 40 are also supported as they extend beyond the outer edge 46 of respective outer layers 36 and 37.
[71] In various applications, the waist elastic and/or leg elastic can be joined with the outer layer using any suitable means such as ultrasound joining, thermal joining, adhesive joining, pressure joining, sewing and the like and their combinations. In some applications, the elastic waistband and/or the elasticized legband can be sewn to the outer layer using yarn and any suitable stitch pattern or combination of patterns. For example, Figures 1-3 and Figures 6-8 representatively illustrate the waist elastic 38 joined to the respective outer layers 36 and 37 in a stitched seam of the waist elastic 39 and the leg elastics 40 joined to the respective outer layers 36 and 37 at the stitched seams of leg elastic 41. In some applications, the waist elastic and/or leg elastic can be sewn to the outer layer using a cover stitch.
[72] Within frame 12 is strip 14, which includes a fluid impermeable base sheet 30 and at least one containment tab 32 joined to base sheet 30 to create a fluid impermeable pouch 34. The impermeable pouch The fluid 34 is adapted to house a removable absorbent insert and contain fluid until it can be taken into the absorbent insert. The fluid impermeable pouch 34 is collapsible and is designed to conform and seal against the wearer's body.
[73] In some applications, strip 14 may further include a first transition, a second transition, or both. The first transition and second transition are believed to be beneficial in that they allow the fluid impermeable pouch to be joined within the structure without significantly reducing the extension and retraction properties of the outer layer and/or the elastic waistband. In addition, the first transition and second transition are believed to be beneficial as they allow movement of the fluid impermeable bag from front to back within the structure. This freedom of movement is believed to allow the fluid impervious bag to adjust after putting on the restraint pants and during use.
[74] Referring again to Figures 2 and 7, strap 14 is illustrated with a second transition 42 joined to the rear waist region 22 of the containment pants. Similarly, in Figures 3 and 8, strap 14 is illustrated with a first transition 44 joined to the front waist region 20 of the containment pants. Alternatively, in any of the applications described herein, the second transition may be joined to the front waist region and the first transition may be joined to the rear waist region. In many applications, the first transition, the second transition, or both, can be one or more discrete pieces of material joined between the pocket and the frame. In other applications, the first transition, the second transition, or both, may be an integral part of the pocket or may be an integral part of the outer layer or any suitable portion of the structure.
[75] For example, Figure 3 illustrates the first transition 44 as an integral part of the outer layer components and Figure 2 illustrates the second transition 42 as a discrete piece of material. In this application, the first transition 44 is constructed from multiple portions of the outer layer 36. As can be seen in Figures 4 and 5, the first transition 44 is constructed from a first portion 44A, a second portion 44B and a third portion 44C. The first portion 44A and the second portion 44B are integral parts of the outer layer back component 23 while the third portion 44C is integral with the outer layer front component 21. When the outer layer is constructed, the first portion 44A and the second portion 44B are joined to the third portion 44C as illustrated by the arrows in Figure 5. The fully constructed first transition 44 is then folded along the fold lines 33 of Figure 5 to define the first transition 44 as illustrated in Figure 3.
[76] In another example, Figure 8 also illustrates the first transition 44 as an integral part of the outer layer components and Figure 7 illustrates the second transition 42 as a discrete piece of material. In this application, the first transition 44 is constructed from a single portion of the outer layer 37. As seen in the Figures In Figures 9 and 10, the first transition 44 is constructed from a portion of the front component 24 of the outer layer. . When the outer layer is constructed, first transition 44 is then folded along fold line 33 of Figure 10 to define first transition 44 as illustrated in Figure 8.
[77] In many applications, a strap and a fluid impermeable bag can be constructed in any suitable way. For example, an exemplary fluid impermeable strap and pouch may include a containment tab, a base sheet, a first transition and a second transition. Referring now to Figure 11, a top view of the component parts of an example pouch and strip are representatively illustrated. A fully constructed pouch 68 fabricated from the component parts of Figure 11 is representatively illustrated in Figure 12. A fully constructed strip fabricated from the component parts of Figure 11 is representatively illustrated in Figure 13. A cross-sectional view of the strip 52 of Figure 13 taken from the above. along line A-A is representatively illustrated in Figure 14.
[78] Referring now to Figure 11, the component parts include a containment tab 54, a base sheet 56, a first transition 58, and a second transition 60. The containment tab 54 defines a proximal portion 62 and a portion distal 64. The proximal portion 62 of the containment tab 54 is joined to the base sheet 56 to create a containment tab seal 66 and define a fluid impermeable pouch 68 as illustrated in Figure 12. In some applications, the containment tabs they can further include one or more rubber bands. For example, as illustrated in Figure 14, the distal portion 64 of the containment tab 54 further includes a containment tab elastic 70.
[79] In various applications, the fluid impermeable bag 68 of Figure 12 can be incorporated into any suitable strap and/or structure using integrated transitions, discrete transitions or combinations thereof. In various applications, the fluid impermeable pouch 68 of Figure 12 may be incorporated into any suitable strap and/or structure using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In Figure 13 The fluid impermeable pouch 68 of Figure 12 is joined to first transition 58 and second transition 60 to define strip 52. Referring now to Figures 11-13, first transition 58 defines a first edge 82 and a second edge 84. Similarly, second transition 60 defines a first edge 90 and a second edge 92. Base sheet 56 defines a first edge 86 and second edge 88. First edge 86 of base sheet 56 is joined to second edge 84 of first transition 58 to define a first seam 72. Similarly, second edge 88 of base sheet 56 is joined to first edge 90 of second transition 60 to define a second seam 74.
[80] In many applications, the strap 52 of Figure 13 can be joined to any suitable structure to form a containment pant. In various applications, the strap 52 can be joined to a frame such that the first transition is located in the front waist region or the rear waist region of the frame and the second transition is located in the opposite region of the frame. For example, now referring to Figures 15 and 16, an example containment pants 53 containing a frame 51 and the strap 52 of Figure 13 is representatively illustrated. Figure 15 is a side perspective view of the containment pants 53 with the frame 51 partially cut away to illustrate the attachment of the strap 52 to the rear waist region 22. Specifically, the second transition 60 is joined to the rear waist region 22 of the framework 51 at a rear seam of strap 43. Figure 16 is a side perspective view of the containment pants 53 with frame 51 partially cut away to illustrate the attachment of strap 52 to the front waist region 20. Specifically, first transition 58 is joined to the front waist region 20 of frame 51 at a front seam of strap 45.
[81] In some applications, a fluid impermeable strap and bag may be constructed with a first containment tab, a second containment tab, a base sheet, a first transition and a second transition. For example, referring now to Figure 17, a top view of the component parts of another example pouch and strap are representatively illustrated. A fully constructed pouch 118 fabricated from some of the component parts of Figure 17 is representatively illustrated in Figure 18. A fully constructed strip 102 fabricated from the component parts of Figure 17 is representatively illustrated in Figure 19. A cross-sectional view of the strip 102 of Figure 19 taken along line B-B is representatively illustrated in Figure 20.
[82] The component parts include a first lateral containment tab 104, a second lateral containment tab 105, a base sheet 106, a first transition 108, and a second transition 110. The first lateral containment tab 104 and the second lateral containment tab lateral containment 105 each defines a proximal portion 112 and a distal portion 114. The first transition 108 defines a first edge 132 and a second edge 134. Similarly, the second transition 110 defines a first edge 140 and a second edge 142. The base sheet 106 defines a first edge 136 and a second edge 138. The first edge 136 of the base sheet 106 is folded along a first fold line 144 to define a first end containment tab 148 as illustrated in Figure 18. Similarly, the second edge 138 of the base sheet 106 is folded along a second fold line 146 to define a second end containment tab 150 as illustrated in Figure 18. The portion of the base sheet 106 proximate the first fold line 144 is joined to the second edge 134 of the first transition 108 to define a first seam 122 as illustrated in Figure 19. Similarly, the portion of the base sheet 106 proximate the second fold line 146 is joined to the first edge 140 of the second transition 110 to define a second seam 124 as illustrated in Figure 19.
[83] In many applications, lateral containment tabs can be curved cut or straight cut. For example, the first lateral containment tab 104 and the second lateral containment tab 105 of Figure 17 are illustrated as having a curved cut. Similarly, the first lateral containment tab 330 and the second lateral containment tab 332 of Figure 28 also illustrate a curved section. In contrast, containment tab 54 of Figure 11 is an example of a straight-cut tab. While not intended to be bound by theory, it is believed that the curved-cut containment tabs facilitate a closer alignment to the wearer's natural body curvature. Therefore, it is believed that a more comfortable and better fit can be obtained.
[84] The proximal portions 112 of each of the side containment tabs 104 and 105 are joined to the base sheet 106 and/or the first end containment tab 148 and/or the second end containment tab 150 to form seals of containment tab 116 and partially define a fluid impermeable pouch 118 as illustrated in Figure 18. In various applications, one or both of the end tabs may be positioned between one or both of the containment tabs and the base sheet. In other applications, one or both of the confinement tabs may be positioned between one or both of the end apertures and the base sheet. For example, in some applications, both end tabs can be positioned between both the containment tabs and the base sheet as shown in Figure 18. In other applications (not shown), both containment tabs can be positioned between them. the end flaps and the base sheet.
[85] In various applications, the end flap may also include an end flap seal 117. The end flap seal 117 may join the first side containment tab 104 and/or the second side containment tab 105 to the first end containment tab 148 and/or the second end containment tab 150 and/or the base sheet 106 to define the fluid impermeable pouch 118 together with the containment tab seals 116. In various applications, the region of overlap 119 between the side containment tabs 104 and 105 and the end containment tabs 148 and 150 can be joined by any suitable manner to define a completely fluid impermeable pouch 118. For example, in some applications, the tabs of lateral containment 104 and 105 can be joined to end containment tabs 148 and 150 at the overlapping regions 119 by adhesive bonding, stitching, ultrasonic bonding, thermal bonding, pressure bonding and the like and combinations thereof. For example, the distal portions 114 of the first side containment tab 104 and the second side containment tab 105 may be completely joined to the end containment tabs 148 and 150 at the overlapping regions 119 to ensure that the pouch 118 is completely impermeable to fluids.
[86] In various applications, any or all of the side containment tabs and/or end containment tabs may further include one or more elastics. For example, the distal portions 114 of the lateral containment tabs 104 and 105 may further include the elastic of the containment tab 120 as illustrated in Figure 20.
[87] In some applications, the first end containment tab and/or the second end containment tab may further include an insert boundary that limits the depth to which the absorbent insert can be inserted. For example, the second end containment tab 150 of Figure 18 is illustrated with an insert boundary 147. In this application, the insert boundary 147 is illustrated as an ultrasonic joint between the second end containment tab 150 and the base sheet 106. In various applications, the insert boundaries can be any suitable length or width and can be positioned to any suitable depth within the first end containment pocket and/or the second end containment pocket. In some applications, the insert boundary may extend from one containment tab seal to the other containment tab seal (not shown). In other applications, the insert enclosure 147 may terminate before one or both of the containment tab 116 seals and thereby allow liquid within the second end containment pocket 150 to flow around the insert enclosure 147 and into the interior. of a reservoir 145. In effect, this configuration provides greater volume to contain emitted urine while still providing a conveniently sized pocket for retaining the absorbent insert.
[88] In various applications, the fluid impermeable bag 118 of Figure 18 can be incorporated within any suitable strap and/or structure using integrated transitions, discrete transitions or combinations thereof. In various applications, the fluid impermeable pouch 118 of Figure 18 may be incorporated into any suitable strap and/or structure using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In the illustrated application, the fluid impermeable pouch 118 of Figure 18 is joined to the first transition 108 and the second transition 110 to define the strip 102 of Figure 19.
[89] In many applications, the strip 102 of Figure 19 can be joined to any suitable structure to form a containment pant. In various applications, the strip 102 can be joined to a frame such that the first transition is located in the front waist region or the rear waist region of the frame and the second transition is located in the opposite region of the frame. For example, now referring to the Figures In Figures 21 and 22, an example of containment pants 103 containing a frame 101 and strap 102 is representatively illustrated. Figure 21 is a side perspective view of the containment pants 103 with the frame 101 partially cut away to illustrate the attachment of the strap 102 to the rear waist region 22. Specifically, the second transition 110 is joined to the rear waist region 22 of the frame 101 at a rear strap seam 43. Figure 22 is a side perspective view of the containment pants 103 with the frame 101 partially cut away to illustrate the attachment of the strap 102 to the front waist region 20. Specifically, the first transition 108 is joined to the front waist region 20 of frame 101 at a seam of front strap 45.
[90] In another application, a strip and fluid impermeable bag can be constructed with a base sheet, a first transition, and a second transition. For example, referring now to the Figure In Figure 23, a top view of the component parts of another example of the pouch and the strip are representatively illustrated. A fully constructed pouch 206 fabricated from some of the component parts of Figure 23 is representatively illustrated in Figure 24. A fully constructed strip 152 fabricated from the component parts of Figure 23 is representatively illustrated in Figure 25. The component parts include a base sheet 154, a first transition 156; and a second transition 158. The base sheet 154 includes a first arm 160, a second arm 162, a third arm 164, and a fourth arm 166. The base sheet 154 defines an absorbent facing surface 168 and a surface facing the structure 170.
[91] Referring now to Figures 23 and 24, the first arm 160 and second arm 162 are bent toward the absorbent facing surface 168 of the base sheet 154 in the direction indicated by arrows 172. A distal portion 174 of the first arm 160 is joined to a distal portion 176 of second arm 162 to define a first connecting splice 178. Similarly, third arm 164 and fourth arm 166 are bent toward the absorbent facing surface 168 of the sheet. base 154 in the direction indicated by arrows 180. A distal portion 182 of the third arm 164 is joined to a distal portion 184 of the fourth arm 166 to define a second connecting splice 186. An inner portion 188 of the first arm 160 is joined to a first portion 190 of base sheet 154 to define a portion of a first containment seam 194. Similarly, an inner portion 192 of second arm 162 is joined to first portion 190 of base sheet 154 to define the remainder of the first. containment splice 194. An inner portion 196 of the third arm 164 is joined to a second portion 198 of the base sheet 154 to define a portion of a second containment splice 200. Similarly, an inner portion 202 of the fourth arm 166 is joined to the second portion 198 of the base sheet 154 to define the remainder of the second containment splice 200.
[92] By folding the first arm 160 and second arm 162 in the direction indicated by arrows 172, the side edges 204 of the base sheet 154 tend to fold in the direction of the return surface to the absorber 168 of the base sheet 154. Similarly, by bending the third arm 164 and fourth arm 166 in the direction indicated by arrows 180, the side edges 204 of the base sheet 154 tend to bend in the same manner to define the containment tab 205. base 154 is concave to define a fluid impermeable pouch 206 containing containment tab 205 as illustrated in Figure 24.
[93] In many applications, the fluid impermeable bag 206 of Figure 24 can be incorporated into any suitable strip and/or structure using integrated transitions, discrete transitions, or combinations thereof. In various applications, the fluid impermeable pouch 206 of Figure 24 may be incorporated into any suitable strap and/or structure using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In the illustrated application, the fluid impermeable pouch 206 is joined to the first transition 156 and the second transition 158 to define the strip 152 as illustrated in Figure 25. In this application, the first transition 156 defines a first edge 210 and a second edge 212 and the second transition 158 defines a first edge 214 and a second edge 216. The first portion 190 of the base sheet 154 is joined to the second edge 212 of the first transition 156 to define a first seam 218. Similarly, the second portion 198 of the base sheet 154 is joined to first edge 214 of second transition 158 to define a second seam 220. In some applications, fluid impermeable pouch 206 may define a distal edge and may include one or more elastics. For example, as illustrated in Figure 24, distal edge 208 of pouch 206 further includes an elastic of pouch 209.
[94] In many applications, the strip 152 of Figure 25 can be joined to any suitable structure to form a containment pant. In various applications, strap 152 can be joined to a frame such that the first transition is located in the front waist region or the rear waist region of the frame and the second transition is located in the opposite region of the frame. For example, now referring to the Figures In Figures 26 and 27, an example containment pants 153 containing a frame 151 and strap 152 are representatively illustrated. Figure 26 is a side perspective view of the containment pants 153 with the frame 151 partially cut away to illustrate the attachment of the strap 152 to the rear waist region 22. Specifically, the second transition 158 is joined to the rear waist region 22 of the structure. 151 at a rear seam of strap 43. Figure 27 is a side perspective view of containment pants 153 with frame 151 partially cut away to illustrate attachment of strap 152 to the front region of waist 20. Specifically, first transition 156 is joined to the front waist region 20 of frame 151 at a front seam of strap 45.
[95] In another application, a fluid impermeable pouch may be constructed with a first containment tab, a second containment tab, a third containment tab, a fourth containment tab, and a base sheet. For example, referring now to the Figure In Figure 28, a top view of the component parts of another example of the pouch is representatively illustrated. A fully constructed pouch 346 fabricated from the component parts of Figure 28 is representatively illustrated in Figure 29.
[96] The component parts include a first side containment tab 330, a second side containment tab 332, a first end containment tab 334, a second end containment tab 336, and a base sheet 338. containment 330, 332, 334, and 336 each define a proximal portion 340 and a distal portion 342.
[97] Proximal portions 340 of each of containment tabs 330, 332, 334, and 336 are joined to base sheet 338 to form containment tab seals 344 and define a fluid impermeable pouch 346 as illustrated in Figure 29 In many applications, one or both of the end flaps can be positioned between one or both of the containment flaps and the base sheet. In other applications, one or both of the confinement tabs may be positioned between one or both of the end apertures and the base sheet. For example, in some applications, both end tabs can be positioned between both the containment tabs and the base sheet as shown in Figure 29. In other applications (not shown), both containment tabs can be positioned between them. the end flaps and the base sheet.
[98] In various applications, the overlap region 349 between the side containment tabs 330 and 332 and the end containment tabs 334 and 336 can be joined in any suitable manner to at least partially define the completely fluid impermeable pouch 346. For example, in some applications, side containment tabs 330 and 332 can be joined to end containment tabs 334 and 336 at overlap regions 349 by adhesive bonding, sewing, ultrasonic bonding, thermal bonding, bonding by pressure and the like and combinations thereof. For example, the distal portions 342 of the first lateral containment tab 330 and the second lateral containment tab 332 may be completely joined to the end containment tabs 334 and 336 at the overlap regions 349 to ensure that the pouch 346 is completely impermeable to fluids. In other applications, the distal portions of the first end containment tab and the second end containment tab may be completely joined to the side containment tabs in the overlap region to ensure that the pouch is completely impervious to fluid (not shown).
[99] In many applications, one or more of the retaining tabs may further include one or more elastics. For example, the distal portions 342 of the containment tabs 330, 332, 334, and 336 may further include the elastic of the containment tab 345. In various applications, the fluid impermeable pouch 346 of Figure 29 can be incorporated into any suitable strap. and/or structure using integrated transitions, discrete transitions or combinations thereof. In various applications, the fluid impermeable pouch 346 of Figure 29 may be incorporated into any suitable strap and/or structure using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither.
[100] Referring now to Figures In Figures 30 and 31, the fluid impermeable pouch 346 of Figure 29 is joined to a first transition 350 and a second transition 352 to define a strap 348 suspended within an example of containment pants. 354. In many applications, bag 346 can be joined within any suitable structure to form a containment pant. In various applications, pouch 346 can be joined to a frame through a first transition that is located in the front waist region or the rear waist region of the frame and through a second transition that is located in the opposite region of the frame. Figure 30 is a side perspective view of the containment pants 354 with the frame 353 partially cut away to illustrate the attachment of the pouch 346 to the rear waist region 22 through the second transition 352. The second transition 352 is joined to the rear waist region. 22 of frame 353 at a rear seam of strap 43. Figure 31 is a side perspective view of containment pants 354 with frame 353 partially cut away to illustrate the attachment of pouch 346 to the front waist region 20 through first transition 350. In the illustrated application, first transition 350 is a discrete piece of material joined to the front waist region 20 of structure 353 while second transition 352 is a discrete piece of material joined to the rear waist region 22 of structure 353.
[101] In general, any of the containment tabs described herein may include one or more containment tab elastics. The containment tab elastics can be joined to the containment tabs in any suitable configuration using any suitable fastening means. For example, in some applications, the containment tab elastics can be joined with the containment tabs using a mechanical coating, adhesive bonding, thermal bonding, ultrasonic bonding, pressure bonding, sewing or similar process, or combinations thereof. .
[102] In some applications, the elastic of the containment tab may be coated, at least partially, within a channel formed by bending a portion of the containment tab. For example, Figure 14 representatively illustrates a cross-sectional view of the strip 52 of Figure 13 taken along line A-A. In this application, the proximal portion 62 of the containment tab 54 is joined to the base sheet 56 to form the containment tab 66 seals. The distal portion 64 of the containment tab 54 is folded over and joined to itself to form a channel 71. The containment tab elastic 70 is coated within the channel 71 and may be partially secured to the containment tab 54. In other applications, the containment tab elastic may be disposed within the channel but is not secured to the containment tab. containment.
[103] In some applications, the containment tab elastic can be folded over the distal edge of the containment tab. For example, Figure 20 representatively illustrates a cross-sectional view of the strip 102 of Figure 19 taken along line B-B. In this application the proximal portion 112 of the containment tabs 104 and 105 are joined to the base sheet 106 to form containment seals 116. The elastic of the containment tab 120 is folded over the distal edge 121 of the first lateral containment tab 104 and the second side containment tab 105. The elastics of containment tab 120 may be joined to the side containment tabs 104 and 105 by any suitable method, such as by stitching.
[104] In various applications, the attachment of the elastic tab of the containment tab to the containment tab can be adjusted to vary the tension in the containment tab. For example, in some applications, the containment tab elastic can be applied at a uniform tension and selected portions can be softened to provide a containment tab elastic having a variable tension along the length of the containment tab. In some applications, the containment tab elastic may be applied at varying tension to provide a containment tab elastic with variable tension along the length of the containment tab.
[105] In many applications, containment tabs can be integrated into the base sheet. For example, the containment tab 205 illustrated in Figure 24 is integrated with the base sheet 154. In other applications, the containment tabs may be discrete pieces of material that are joined to the base sheet using any suitable method to define at least partially the bag. For example, the containment tab 54 illustrated in Figure 12 is discrete from and joined to the base sheet 56 in the containment tab seal 66. In some applications, one or more containment tabs may be integrated with the base sheet and a or more of the containment tabs may be discrete parts. For example, Figure 18 illustrates the first end containment tab 148 and the second end containment tab 150 being integrated with the base sheet 106 while the first side containment tab 104 and second side containment tab 105 are discrete from and joined to base sheet 106 in containment flap seals 116.
[106] In many applications, the discrete containment tabs can be joined to the base sheet in any suitable way. For example, the containment tabs can be sewn to the base sheet, heat joined, adhesively joined, ultrasound joined, splicing tape, or the like, or combinations thereof. In applications where the pouch is fluid impermeable, the discrete containment tabs are joined to the base sheet to provide a fluid impermeable seal. The fluid-tight seal is believed to prevent leakage from the pouch until the absorbent insert is able to receive the fluids.
[107] In some applications, the fluid-tight seal is created, at least in part, using ultrasonic bonding. Ultrasonic bonding fuses the base sheet material to the containment flap material. Ultrasonic bonding can use any suitable bonding pattern to adjust the seal bond strength. For example, the ultrasound splice pattern can be one or more lines of "broken" splices. For example, in some applications, the splice pattern may include three offset broken splice lines as illustrated in Figure 13. In other applications, the ultrasound splice pattern may include one or more continuous "wave" splice patterns . For example, in some applications, the splice pattern may include a single continuous "wave" splice pattern as illustrated in Figure 18. In other applications, the ultrasound splice pattern may include one or more rows of splices in "spots". For example, in some applications, the splice pattern may include two rows of offset stitch splices as illustrated in Figure 24. Ultrasonic splicing can be performed using an ultrasonic tip and anvil pattern. In some applications, ultrasonic seams can be created through the use of a sonic sewing machine. A suitable machine is offered by "Sonobond" with model number LM920. In various applications, the Sonobond Sonic Sewing Machine can have an output setting of 7.5, an anvil speed of 2, and a tip speed of 2.
[108] It is believed that the use of ultrasonic bonding is beneficial in some applications compared to sewing because no holes are created in the containment flap and therefore the integrity of the bag is preserved. Similarly, it is believed that the use of ultrasonic bonding is beneficial in some applications compared to splicing tape as the containment tabs and/or base sheet may melt at the tape application temperature. of typical splicing. In some applications, the base sheet is made of laminated polyurethane and polyester and the retaining flaps are made of laminated polyurethane and polyester. In these applications, the base sheet and containment tab can be constructed with ultrasonic bonding to create a strong seal without burning through the base sheet or containment tab.
[109] The flap seals collectively define a flap seal perimeter. The portion of the base sheet circumscribed by the perimeter of the flap seal constitutes the base surface of the pouch. For example, with reference now to Figure In Figure 29, containment tabs 330, 332, 334, and 336 are joined to base sheet 338 at tab seals 344 and define a perimeter of tab seal 356. The location on the sheet of base 338 when the perimeter of the tab seal 356 will be formed is shown with a dashed line in Figure 28 for purposes of illustration. In general, the portion of the base sheet 338 circumscribed by the perimeter of the flap seal 356 constitutes the base surface of the pouch 358. The base surface of the pouch 358 defines a base surface length of the pouch 360, a surface width of pouch base 362 and a pouch base surface area 364.
[110] In any of the applications disclosed herein, one or more of the containment tabs may further include an absorbent insert enclosure. The absorbent insert enclosure can be any suitable physical barrier that limits the depth of the absorbent insert within one or more of the containment tabs. In various embodiments, the absorbent insert stop can be a mechanical joint between the retaining tab and the base sheet oriented essentially in the transverse direction. The mechanical bond may be an ultrasound bond, a thermal bond, a sewn bond, a pressure bond, an adhesive bond, or the like, or combinations thereof. For example, referring now to the Figure In Figure 29, the second end containment tab 336 is illustrated with an absorbent insert enclosure 351. In this application, the absorbent insert enclosure 351 is illustrated as an ultrasound abutting joint. the depth of insertion of the absorbent insert into the second end containment tab 336. In another example, the second end containment tab 150 of Figure 18 is illustrated with an insert enclosure 147 which is an ultrasonic joint between the second end containment tab 150 and the base sheet 106.
[111] In applications containing one or more absorbent insert enclosures, the length of the pouch base surface and the pouch base surface area are defined in part by the containment flap seal and in part by the absorbent insert enclosure. For example, referring again to Figure 28, the location on the base sheet 338 where the absorbent insert boundary 351 will be formed is shown with a dashed line for purposes of illustration. In applications with the absorbent insert boundary 351, the base surface of the pouch 358 defines a base surface length of the pouch 361 and a base surface area of the pouch 365. In these applications, the length of the base surface of the pouch 361 is defined by end portion 355 of containment flap seal 344 and absorbent insert boundary 351. Similarly, the base surface area of pouch 365 is defined by absorbent insert boundary 351 and side portions 357 of the absorbent insert seal. containment tab 344 to the points where the absorbent insert boundary 351, if extended, crosses the containment tab seal 344.
[112] In applications that include one or more absorbent insert enclosures, the base surface of the pouch may also define a reservoir portion that extends between the absorbent insert enclosure and the containment tab seal under a containment tab. For example, again with reference to Figures In Figure 28 and 29, the base surface of the pouch 358 defines a reservoir portion 359 extending from the absorbent insert enclosure 351 to the end portion 363 of the containment flap seal 344 In another example, now referring to Figure 18, the pouch 118 includes a reservoir portion 145 extending from the absorbent insert enclosure 147 to the end flap seal 117. As discussed above, the insert enclosures may be any suitable length or width and can be positioned to any suitable depth within the first end containment pocket and/or the second end containment pocket. In some applications, the absorbent insert enclosures may terminate before one or both of the containment flap seals and therefore allow fluid to flow into the containment pocket around the absorbent insert enclosure and into the reservoir portion. In various applications, the reservoir portion can have a length of about 50 to 70 mm or about 60 mm.
[113] In any of the embodiments described herein, one or more pockets may further include one or more retaining tabs, which may include one or more positioning keys. As used herein, the term "positioning key" refers to any physical structure created within a pouch that is adapted to engage and align with a positioning notch of a discrete absorbent insert positioned within the pouch and which is adapted to be at least partially surrounded by portions of the discrete absorbent insert. The positioning keys are believed to aid in the orientation and alignment of the discrete absorbent insert relative to the pocket during insertion of the absorbent insert. In addition, the positioning keys are believed to serve to minimize displacement of the absorbent insert relative to the fluid impermeable pouch during use.
[114] In various embodiments, a positioning key can be a mechanical joint formed between a retaining tab and the base sheet. The mechanical bond can be an ultrasonic, thermal, sewn, pressure, adhesive or similar bond, or combinations thereof. In some embodiments, the positioning key may be a discrete piece of material joined between the first retaining tab and the base sheet. The discrete piece of material can be joined by ultrasonic bonding, thermal bonding, stitching, pressure bonding, adhesive bonding, and the like, and combinations thereof. In some embodiments, a positioning key can be a combination of mechanical connections and discrete pieces of material. In some embodiments, the positioning keys may be projections of the base sheet that project toward the retaining tab, but do not adhere thereto. In some embodiments, the positioning keys may be projections of the base sheet that protrude from the retaining tabs toward the base sheet, but do not adhere thereto. In various embodiments, the projections can be an integral portion of the retaining tab or base sheet. In some embodiments, the projections may be a discrete piece of material joined to the retaining tab and/or base sheet by any suitable means. In some embodiments, the positioning keys can be any of the combinations described above.
[115] Referring now to Figure 46, a perspective view of an example pouch 402 with a first positioning key 404 and a second positioning key 406 is representatively illustrated. pouch 346 illustrated in Fig. 29 but with the addition of first positioning key 404 and second positioning key 406. However, in various embodiments, example positioning key 404 and/or example positioning key 406 can be incorporated into any of the pouches described herein.
[116] The first positioning key 404 is formed by joining a portion of the first end retaining tab 334 to a portion of the base sheet 338. Likewise, the second positioning key 406 is formed by joining a portion of the second end retaining tab 336 to a portion of base sheet 338. To better illustrate the detail of the example first positioning key, a encircled portion 408 of Fig. 46 is illustrated in Fig. 47. Specifically, Fig. 47 is a view at Enlarged perspective view of first end retaining tab 334 joined to base sheet 338 via a first joint 410 to define first positioning key 404. First end retaining tab 334 and base sheet 338 define an entry of the first end retaining tab 404. final retainer 412 having an inlet width 414 as measured in the transverse direction 50. First positioning key 404 has a first positioning key joint width 416 that separates the inlet from the first retaining tab. end point 412 into a first subwidth 418 and a second subwidth 420. The first subwidth 418 is measured in the transverse direction 50 along the distal portion 342 of the first end retaining tab 334 from the first lateral retaining seal 344 to the first joint 410 Likewise, the second subwidth 420 is measured in the transverse direction 50 along the distal portion 342 of the first end retaining tab 334 from the first joint 410 to the second lateral retaining seal 344. In embodiments that do not include seals retaining edge and widths and sub-widths are measured from a point 30 mm from the far edge of the side retaining tab.
[117] First end retaining tab 334 and base sheet 338 also define a depth of first end retaining tab 422 as measured in the longitudinal direction 48 from distal edge 343 to end retaining seal 344. In Embodiments which have an absorbent insert stop, the depth of the retaining tab is measured in the longitudinal direction from the distal edge of the retaining tab to the absorbent insert stop. The first positioning key 404 defines a key depth and key length 426. The key depth is measured in the longitudinal direction 48 from the far edge 343 to the first joint 410. In this embodiment, the key depth is equal to zero because the first joint 410 extends to the far edge 343. The key length 426 is measured in the longitudinal direction 48 from an edge of the first joint 410 to a second edge of the first joint 410. In various embodiments, the positioning key 404 and/or the fluid impermeable pouch 402 of Fig. 46 may be incorporated into any suitable strap and/or chassis as described herein.
[118] In some embodiments, a portion of one or more retaining tabs may be pleated together to form one or more positioning keys. For example, as illustrated in Figure 48, a perspective view of an example pouch 428 with a first positioning key 430 and a second positioning key 432 is representatively illustrated. The example pouch 428 is similar in construction to the pouch. 346 illustrated in Fig. 29 but with the addition of first positioning key 430 and second positioning key 432. However, in various embodiments, example positioning key 430 and/or example positioning key 432 can be incorporated into any of the pouches described herein.
[119] The first positioning key 430 is formed by joining a portion of the final retaining tab 334 to a portion of the base sheet 338. Similarly, the second positioning key 432 is formed by joining a portion of the second tab retaining end 336 to a portion of the base sheet 338. To better illustrate the detail of this example positioning key, a encircled portion 433 of Fig. 48 is shown in Fig. 49. Specifically, Fig. 49 is a sectional view. Enlarged perspective of the first end retaining tab 334 joined to the base sheet 338 through a first joint 410 to define the first positioning key 430. In addition, the first end retaining tab 334 is also joined to itself in the first pleated joint 434 to further define first positioning key 430. First end retaining tab 334 and base sheet 338 define an entry of first end retaining tab 412 having an entry width 414 as measured in the transverse direction. al 50. The first positioning key 430 has a joint width of the first positioning key 435 which separates the entrance of the first final retaining tab 412 into a first subwidth 418 and a second subwidth 420. The first subwidth 418 is measured in the direction transverse 50 along the distal portion 342 of the first end retaining tab 334 from the first lateral retaining seal 344 to a first side of the first joint 410. Likewise, the second subwidth 420 is measured in the transverse direction 50 along the portion. distal 342 of the first end retaining tab 334 from a first side of the first joint 410 to a second side retaining seal 344.
[120] First end retaining tab 334 and base sheet 338 also define a depth of first end retaining tab 422 as measured in longitudinal direction 48 from distal edge 343 to end retaining seal 344. positioning 430 defines a key depth and a key length 426. The key depth is measured in the longitudinal direction 48 from the far edge 343 to the first joint 410. In this embodiment, the key depth is equal to zero since the first joint 410 extends to distal edge 343. Key length 426 is measured in the longitudinal direction 48 from an edge of first joint 410 to a second edge of first joint 410. In various embodiments, the fluid-impermeable pouch 428 and/or the positioning key 430 of Fig. 48 may be incorporated into any suitable strap and/or chassis as described herein.
[121] In some embodiments, a portion of one or more retaining tabs may be joined to a portion of the base sheet by means of a discrete piece of material to define one or more positioning keys. For example, as illustrated in Figure 50, a perspective view of an example pouch 436 with a first positioning key 438 and a second positioning key 440 is representatively illustrated. The example pouch 436 is similar in construction to the pouch. 346 illustrated in Fig. 29 but with the addition of first positioning key 438 and second positioning key 440. However, in various embodiments, example positioning key 438 and/or example positioning key 440 can be incorporated into any of the pouches described herein.
[122] The first positioning key 438 is formed by joining a portion of the first end retaining tab 334 with a first end of a first discrete piece of material 442 and joining a portion of the base sheet 338 with a second end, opposite the first end of the first discrete piece of material 442. Likewise, the second positioning key 440 is formed by joining a portion of the second end retaining tab 336 with a first end of a second discrete piece of material 444 and the coupling. of a portion of the base sheet 338 having a second end, opposite the first end, of the second discrete piece of material 444.
[123] To further illustrate the detail of this example positioning key, a encircled portion 446 of Fig. 50 is illustrated in Fig. 51. Specifically, Figure 51 is an enlarged perspective view of the first end retaining tab 334 joined to base sheet 338 through a first discrete piece of material 442 to define the first positioning key 438. The first discrete piece of material 442 is joined to the first end retaining tab 334 in a first joint 448. Likewise, the first joint discrete piece of material 442 is joined to base sheet 338 in a second joint 450.
[124] The first end retaining tab 334 and the base sheet 338 define an entry of the first end retaining tab 412 having an entry width 414 as measured in the transverse direction 50. The first positioning key 438 has a joint width of the first positioning key 452 which separates the input of the first end retaining tab 412 into a first subwidth 418 and a second subwidth 420. The first subwidth 418 is measured in the transverse direction 50 along the distal portion 342 of the first end retaining tab 334 from the first lateral retaining seal 344 to a first side of the first discrete piece of material 442. Likewise, the second sub-width 420 is measured in the transverse direction 50 along the distal portion 342 of the first final retaining tab 334 from a second side of the first discrete piece of material 442 to a second side retaining seal 344.
[125] First end retaining tab 334 and base sheet 338 also define a depth of first end retaining tab 422 as measured in longitudinal direction 48 from distal edge 343 to end retaining seal 344. Mate 438 defines a key depth 424 and a key length 426. The key depth 424 is measured in the longitudinal direction 48 from the far edge 343 to the first discrete piece of material 442. In this embodiment, the main depth 424 is equal to 5 mm, since the first piece of discrete material 442 is slightly offset from the distal edge 343. The key length 426 is measured in the longitudinal direction 48 from an edge of the first discrete piece of material 442 to a second edge of the first piece discrete material 442. In various embodiments, the fluid impermeable pouch 436 of Fig. 50 may be incorporated into any suitable strap and/or chassis, as described herein. to.
[126] In various embodiments, the total width of the various retaining tab entries is measured in the transverse direction 50 along the distal portion 342 of the respective retaining tabs from a first lateral retaining seal to a second lateral retaining seal . For example, again with reference to Figs. 46, 48 and 50, the width of the retaining tab 414 is measured from points A to points B. In various embodiments, the tab entry width may be 160 to 200 mm, 165 to 180 mm, or about of 165 mm.
[127] In various embodiments, the width of the positioning key is measured in the transverse direction 50 from a first side of the respective positioning key to a second side of the respective positioning key. In general, the positioning key width is the minimum dimension needed to measure the positioning key in the transverse direction without deforming the positioning key. For example, again with reference to Fig. 47, the width of position key 416 is measured from point C to point D. In the example illustrated in Fig. 49, the width of position key 435 is measured from point point E to point F. In the example illustrated in Fig. 51, the width of positioning wrench 452 is measured from point G to point H. In various embodiments, the wrench width can be from 1 to 10 mm, from 3 to 7 mm, or about 6 mm.
[128] In general, the respective input widths are separated by the positioning key to define the subwidths. The sub-widths are measured in the transverse direction 50 from a retaining flap seal to the respective side of the positioning key. In general, the subwidth is the maximum dimension that can pass between the retaining tab seal and the positioning key without deforming the positioning key or other elements of the pocket. For example, again with reference to Figs. 46 and 47, the first subwidth 418 is measured from point A to point C and the second subwidth 420 is measured from point D to point B. In the example illustrated in Figs. 48 and 49, the first subwidth 418 is measured from point A to point E and the second subwidth 420 is measured from point F to point B. In the example illustrated in Figs. 50 and 51, the first subwidth 418 is measured from point A to point G and the second subwidth 420 is measured from point H to point B. In the example illustrated in Figs.
[129] In embodiments containing multiple positioning keys, the respective input widths may be separated to define a third subwidth, a fourth subwidth, etc. In various embodiments, the subwidths can be 70 to 100mm, 80 to 90mm, or about 83mm. In various embodiments, the first subwidth can be from 90 to 110% of the second subwidth. In various embodiments, the first subwidth can be approximately 100% of the second subwidth. In these embodiments, the positioning key is essentially centered on the width of the entrance.
[130] In general, the depth of the retaining tab 422 is measured in the longitudinal direction 48 from the distal edge of the respective tab to the final retaining seal or absorbent insert stop of the respective tab. In various embodiments, the depth of the retaining tab can be from 30 to 60 mm, from 35 to 50 mm, or about 40 mm.
[131] In general, the position key depth is the distance, measured in the longitudinal direction 48, from the far edge of the retaining tab to the portion of the position key closest to the far edge. In various embodiments, the depth of the positioning key can be characterized as a percentage of the depth of the retaining tab. As such, the positioning key depth can range from 0% to 90% the depth of the retaining tab. In other words, at 0%, at least a portion of the positioning key is located near the far edge of the retaining tab. In some embodiments, the one or more retaining tabs may include a positioning key having a positioning key depth less than 25%, less than 15%, or less than 5% of the respective retaining tab depth.
[132] Likewise, the length of the positioning key is the distance, measured in the longitudinal direction 48, from the portion of the positioning key closest to the far edge of the respective retaining tab to the farthest portion of the positioning key of the far edge of the respective retaining tab. In various embodiments, the length of the positioning key can be characterized as a percentage of the depth of the retaining tab. As such, the length of the positioning key can range from 1% to 100% of the depth of the retaining tab. In other words, at 1%, the length of the placement key is essentially a point union. Likewise, at 100%, the positioning key is engaged along the entire depth of the retaining tab.
[133] In various embodiments, positioning switches may have one or more fluid passages that allow fluid to move in the transverse direction through the positioning switch. For example, referring again to Figure 51, the positioning key 438 is illustrated with fluid passages 454 in the form of holes. In various embodiments, the positioning keys can have one or more fluid passages of any suitable shape and size. For example, fluid passages can be holes, slits, or other openings that allow fluid to move transversely through the positioning switch or combinations thereof. In embodiments where the length of the positioning key is at least 50% of the depth of the retaining tab, the use of one or more fluid passages is considered useful in allowing the fluid to access all parts of the insert. pad.
[134] Again referring to Figure 28, the bottom of the pocket 358 also defines a first end section 366, a second end section 367 and a center section 368 in the longitudinal direction 48. The center section 368 extends between the first end section 366 and the second end section 367. The first end section 366 defines the first end section width 369 and a first end section length 370. The second end section 367 defines a second end section width 371 and a second end seal length 372. The center section 368 defines a center section width 373 and a center section length 374. The first end section length 370 plus the second end section length 372 plus the center section length 374 is equal to the length of the base surface of the pouch. The widths of the various sections are measured in the transverse direction 50 and the lengths of the various sections are measured in the longitudinal direction 48. The dimensions of the base surface of the pouch are measured in a pouch mounted by tracking around the inner edge of the perimeter of the flap seal. with a pen, cutting the retaining flaps and the elastic of the bag, and placing the bag on a level floor. If no flap seal is present, the base surface of the pouch is defined relative to the distal edge of the containment flap. Specifically, in these applications, the base surface of the bag is defined by the 30 mm position of the distal edge of the containment flap.
[135] In an application adapted for children weighing 60 to 120 pounds, who can be characterized as large or extra large, the length of the base surface of the bag can be from 380 to 500 mm, or 410 to 470 mm or about 440 mm. In an application adapted for children weighing between 38 and 65 pounds, who can be characterized as small and/or medium, the length of the base surface of the bag can be 350 to 450 mm, 375 to 425 mm, or about 400 mm . In some of these applications, the base surface of the pouch may also include a reservoir having a length of 50 to 70 mm, or about 60 mm.
[136] In various applications, the first length of the end section may equal the length of the center section which may be equal to the second length of the end section. In other applications, the first end section length may be the same as the second end section length and the center section length may be different. For example, the first length of the end section can be about 35% of the length of the base surface of the pouch, the second length of the end section can be about 35% of the length of the base surface of the pouch, and the length of the center section can be about 30% of the length of the base surface of the bag. In another example, the first length of the end section can be about 30% of the length of the base surface of the pouch, the second length of the end section can be about 30% of the length of the base surface of the pouch, and the length of the center section can be about 40% of the length of the base surface of the pouch.
[137] In many applications, the base surface of the bag can have a width that varies at different points along the longitudinal direction. For example, as illustrated in Figure In Figure 28, the base surface of the pocket 358 has a variable width at different points along the longitudinal direction. In this application, the first end section 366 and the second end section 368 have a maximum width that is greater than the maximum width of the center section 367. For example, the first end section and the second end section can have a width maximum of about 145 to 195 mm, about 160 to 180 mm or about 171 mm. In these applications, the center section can have a maximum width of about 60 to 100, about 70 to 90 mm, or about 82 mm.
[138] In various applications, the first end section, second end section, and/or center section may have a variable width at different points along the longitudinal direction or may have a consistent width at different points along the length. longitudinal direction. In some applications, the first end section and second end section may have variable width at different points along the longitudinal direction and the center section may have a consistent width at different points along the longitudinal direction as illustrated in Figure 28. In some applications, the first end section and the second end section may have a width ranging from 171 mm maximum to 82 mm minimum. In these applications, the center section can have a consistent width of about 82 mm.
[139] In some applications, the base surface of the pouch defines a first reference width 376 measuring in 1/8 of the length of the base surface of the pouch, a second reference width 377 measuring in / the length of the base surface of the pouch. pouch and a third reference width 378 measured in 7/8 of the length of the base surface of the pouch. In some applications, the first reference width 376 may be equal to the third reference width 378 and the second reference width 377 may be smaller than the first and third reference widths 376 and 378. In some applications, the second reference width 377 may be less than 50%, 60%, 70%, or 80% of the first reference width 376 and/or the third reference width 378. In some applications, the second reference width 377 may be about 48% of the first reference width 376 and third reference width 378.
[140] In many applications, the base surface area of the bag can be any suitable value. For example, in child-friendly applications weighing 60 to 120 pounds, the base surface area of the bag can be around 55,000 mm2. In applications adapted for children weighing between 38 and 65 pounds, the base surface area of the bag can be approximately 47700 mm2.
[141] In many applications, the base surface of the bag can define any suitable shape. For example, the base surface of the pouch may be symmetrical about the transverse centerline or it may be asymmetrical about the transverse centerline. In many applications, the base surface of the bag can be shaped like a "dog bone", "hourglass" shape, "T" shape, rectangular shape or similar.
[142] In various applications, the pouches of the present invention can be joined to one or more transitions in any suitable manner. For example, pouches can be joined to transitions by stitching, ultrasonic joining, thermal joining, adhesive joining, splicing tape, and the like, and combinations thereof. In some applications, transitions can be joined to the bags by stitching, using any suitable stitch or combination of stitches. For example, in some applications, transitions can be secured to bags using a single needle stitch followed by an upper stitch.
[143] In some applications, bags can be constructed so that extra material is available to secure the transitions without violating the integrity of the fluid-impermeable bag. For example, in some applications, the containment tab may be joined to the base sheet in the containment tab seal. The containment tab seal may be positioned so that a portion of the containment tab material and/or base sheet material is available to be secured to the first or second transition while maintaining the integrity of the fluid impermeable pouch.
[144] In some applications, the strap is minimally attached to the frame to maximize fit and natural movement of the frame. In some applications, the strip is attached to the structure through the first transition and/or the second transition. In various applications, the first transition may be joined to the front waist region at the front seam of the strap and the second transition may be joined to the rear waist region at the rear seam of the strap. In other applications, the first transition may be joined to the rear waist region at the back seam of the strap and the second transition may be joined to the front waist region at the front seam of the strap. The first transition and/or the second transition may be joined to any suitable portion of the front waist region and/or the back waist region. For example, the first transition and/or the second transition may be joined at the elastic waistband seam at the front waist region and/or at the rear waist region. Additionally or alternatively, the first transition and/or the second transition may be joined to the outer layer at the front waist region and/or at the second rear waist region. In some applications, the first transition and/or the second transition may be integrated into the framework. In these applications, the full transition is linked to the exchange using any suitable method, including those described herein. In some applications, the first transition and/or second transition may be integrated with the outer layer of the structure. For example, Figures Figure 8 and 10 representatively illustrate a transition that is integrated with the outer layer of the structure. In these applications, the integral transition is part of the outer layer material and is a distinct projection from the outer layer material.
[145] In some of the applications, the strap can be attached to the frame at the front of the waist, the back of the waist, and the genital region. The strip can be attached to the frame in the genital region by any suitable means. For example, the strip can be sewn, ultrasound joined, thermal joined, adhesive joined, pressure joined, and the like, and combinations thereof. In some applications, the strap can be attached to the frame in the genital region via one or more tabs. The flaps can be discrete pieces of material that are attached to the strap pocket and also to the frame using any suitable means. For example, in some applications, the flaps can be discrete pieces of material that are ultrasonically joined to the strap pocket and sewn with string to the frame. In many applications, the flaps can be attached to the frames using any suitable stitching or combinations thereof. For example, in some applications, flaps can be joined to the frame using zigzag stitches. In some embodiments, the tabs may be positioned to at least partially overlap the crotch seam.
[146] Referring now to the Figures In Figures 26 and 27, the strip 152 is joined to the genital region 28 of the frame 151 by discrete tabs 100 (only one is visible). Specifically, tabs 100 are joined to strip 152 through a first tab splice 149. Similarly, tabs 100 are joined to frame 151 through a second tab splice 199. ultrasound to preserve the fluid impermeable bag 206. The second splice of flap 199 is a sewn-thread joint.
[147] In some applications, the tabs may be an integral part of the strap. For example, the tabs can be an integral part of one or more of the containment tabs. In these applications, the strip can be joined to the frame by joining the tabs to the frame using any suitable means. For example, in Figures 11-16, containment tab 54 includes securing tabs 67 extending from proximal portion 62 of containment tab 54. As shown in Figures 15 and 16, strap 52 is joined to genital region 28 of frame 51 by fastening tabs 67 (only one is visible) and tab splices 199 (only one is visible).
[148] In another example, the tab may be an integral part of the base material. In these applications, the strip can be joined to the frame by joining the tabs to the frame using any suitable means. In other applications, the tabs can be an integral part of the base material and the containment tabs. For example, in the Figures In Figures 17-22, the side restraint tabs 104 and 105 both include an integral securing tab 94. Similarly, the base sheet 106 includes a pair of integral securing tabs 96. The strip 102 can be attached to a frame using, in part, attachment tabs 94 and/or 96. For example, Figures 21 and 22 representatively illustrate strip 102 attached to frame 101 in the genital region 28 using attachment tabs 94 and 96 .
[149] In some applications, the straps of the present invention define a perimeter and are joined to the frame around the perimeter. For example, referring again to the Figure In Figure 19, the strip 102 defines a perimeter 115 that includes portions of the first transition 108, the second transition 110, and the pocket 118. In various applications, the strips of the present invention can be joined to structures in around any suitable percentage of the perimeter. For example, in some applications, the strip can be joined to the frame in less than 30%, less than 25%, less than 20% and less than 15% of the perimeter. In some applications, the strap can be attached to the structure about 22% of the perimeter. In some applications, the attachment tabs have a length in the longitudinal direction that is less than 75 mm, less than 50 mm, or less than 25 mm. In some embodiments, the straps of the present invention can be joined to the chassis around at least 50, 60, 70, 80 or 90% of the perimeter. In some embodiments, the straps can be joined to the chassis around about 100% of the perimeter.
[150] The outer layer can be fabricated from any suitable material or a combination of materials. In various applications, the outer layers of the present invention can be manufactured from cotton, cotton blends, nylon, nylon blends, polyester, polyester blends, rayon, rayon blends, spandex and the like and combinations thereof. In some applications, the outer layers can be a mixture of nylon and spandex. For example, the outer layers can be 80% nylon and 20% spandex material. In some applications, the outer layer may be a cotton fabric blended with spandex. For example, the outer layer can be a cotton fabric containing 12% to 25%, 15% to 22% or about 20% spandex. Thus, in some applications, the outer layer may be 80% cotton and 20% spandex. In other applications, the outer layer may be a polyester fabric blended with spandex. In these applications, the polyester fabric can be 8% to 16%, 10% to 15% or about 14% spandex. Thus, in some applications, the outer layer may be 86% polyester and 14% spandex.
[151] In some applications, the outer layer is capable of extending in the transverse direction to at least 250% (ie, a 4-inch piece of relaxed material that is stretched to 8 inches is 100% and if stretched to 14 inches inches is 25%. Also, in some applications, the outer layer is adapted to have sufficient tractive force in the transverse direction to hold the pants firmly against the body both on initial placement and after the urine is emitted. In some applications, the outer layer is adapted to have sufficient tractive force in the transverse direction in the extension range from about 100% to about 250%.
[152] The tensile strength of various materials can be determined using the Strip Tensile Test described below. This test measures load in grams and elongation in %. In this test, two tongs, each with two jaws with each jaw having one face in contact with the sample, hold the material in the same plane, usually vertical, 3 inches apart, and move apart at a specified rate of extension. Values for this test are obtained using a suitable specimen width, a specimen length of 7 inches, a wedge face size of 1 inch high by 3 inches wide, and a constant extension rate of 300 mm/minute. The "Sintech 2" tester, offered by Sintech Corporation, 1001 Sheldon Dr., Cary, N.C. 27513, is suitable for use with this test. The Instron Model(TM), offered by Instron Corporation, 2500 Washington St, Canton, Massachusetts 02021, or a Thwing-Albert model INTELLECT II, offered by Thwing-Albert Instrument Co., 10960 Dutton Rd., Philadelphia, Pa. 19154, can also be used for this test.
[153] The sample outer layer materials were tested using this test method. To measure the transverse direction profile, samples were cut at 3 inches in the longitudinal direction and 7 inches in the transverse direction. To measure the longitudinal direction profile, samples were cut at 3 inches in the transverse direction and 7 inches in the longitudinal direction.
[154] In some applications, the outer layer material has a tensile force (per 3 inches wide) in the transverse direction of about 750 grams force at 100% elongation to about 27,000 grams force at 250 elongation %. In many applications, the outer layer material has a tensile strength (per 3 inches wide) of less than about 1500 grams at 80% elongation in the transverse direction. In some applications, the outer layer material has a load (per 3 inches wide) at 150% elongation in the transverse direction of about 1,100 to about 7,000 grams of force. In some applications, the outer layer material has a load (per 3 inches wide) at 250% elongation in the transverse direction of about 2,000 to about 27,500 grams of force. In some applications, the outer layer material has a load to the elongation profile in the transverse direction within the range between Profile 1 and Profile 2, within the range between Profile 1 and Profile 3, and within the range between Profile Profile 2 and Profile 3 as summarized in Table 1. In some applications, the outer layer material has a load for the elongation profile in the transverse direction in the Profile 2 values as summarized in Table 1. Table 1: Outer Layer Load (force in grams per 3 inches wide) and Elongation - Transverse Direction

[155] In some applications, the outer layer material is capable of extending in the longitudinal direction up to at least 150%. In some applications, the outer layer is adapted to have sufficient tractive force in the longitudinal direction to hold the pants firmly against the body both on initial placement and after urine emission. In some applications, the outer layer is adapted to have sufficient tensile strength in the longitudinal direction in the extension range from about 80% to about 150%. Thus, in some applications, the outer layer has a tensile strength (per 3 inches wide) in the longitudinal direction of about 850 grams force at 80% elongation to about 21,250 grams force at 150% elongation. In many applications, the outer layer material has a load (per 3 inches wide) with 80% elongation in the longitudinal direction of less than about 2,100 grams of force. In some applications, the outer layer material has a load (per 3 inches wide) with 150% elongation in the longitudinal direction of about 2,000 to about 21,250 grams of force. In some applications, the outer layer material has a load to the elongation profile in the longitudinal direction within the range between Profile 1 and Profile 2, within the range between Profile 1 and Profile 3 and the range between Profile 2 and Profile 3 as summarized in Table 2. In some applications, the outer layer material has a load to the elongation profile in the longitudinal direction at the Profile 2 values as summarized in Table 2. Table 2: Load on the Outer Layer (force in grams per 3 inches wide) and Elongation - Longitudinal Direction

[156] The waist elastic and/or leg elastic can be fabricated from any suitable material or a combination of these materials. In some applications, the waist elastic and/or leg elastic can be manufactured from nylon, spandex, polyester, cotton, rayon, and the like, and combinations thereof. In some applications, the waist band and/or leg band may be a blend of nylon, spandex and polyester. For example, in some applications, the elastic waistband and/or the leg elastic may be 46% nylon, 28% spandex and 26% polyester. In various applications, any suitable yarn can be used to secure the waist elastic to the outer layer material. For example, in some applications, the yarn used to secure the waist band and/or leg elastic to the outer layer may be a polyester yarn.
[157] In some applications, the elastic waistband is capable of extending in the transverse direction to at least 200%. In some applications, the elastic waistband is adapted to have sufficient tractive force in the transverse direction to hold the pants firmly against the body both on initial placement and after urine emission. In some applications, the elastic waistband is adapted to have sufficient tractive force in the transverse direction in the range of about 100% to about 200%. The load for the elastic waistband elongation profile can be determined using the Strap Tensile Test described herein using a 1 inch x 7 inch sample. In various applications, the elastic waistband has a 100% stretch load of about 500 to about 1100 grams of strength. In some applications, the elastic waistband has a 150% load on elongation from about 780 to about 2230 grams of strength. In some applications, the elastic waistband has a 200% load on stretch from approximately 1100 to approximately 9,500 grams of strength. In some applications, the elastic waistband has a load for the stretch profile in the range between Profile 1 and Profile 2, in the range between Profile 1 and Profile 3, and in the range between Profile 2 and Profile 3 as summarized in Table 3. In some applications, the elastic waistband has a load for the elongation profile at the Profile 2 values as summarized in Table 3. Table 3: Waistband Load (force in grams per 1 inch of width) and stretching

[158] In some applications, the leg elastic is able to extend in the transverse direction to at least 200%. In some applications, the leg elastic is adapted to have sufficient tractive force in the transverse direction to hold the pants firmly against the body both on initial placement and after urine emission. In some applications, the leg elastic is adapted to have sufficient pulling force in the range of about 100% to about 200% extension. The load for the leg elastic elongation profile can be determined using the Strap Tensile Test described here using a sample / inches by 7 inches. In various applications, the leg elastic has a 100% stretch load of about 230 to about 500 grams of force across the width of / inches. In some applications, the elastic in the leg has a 150% elongation load of about 380 to about 1800 grams of force across the width of / inches. In some applications, the leg elastic has a 200% load on elongation of about 560 to about 14,250 grams of force across the width of / inches. In some applications, the leg elastic has a load for the elongation profile between Profile 1 and Profile 2, between Profile 1 and Profile 3, and between Profile 2 and Profile 3 as summarized in Table 4. In some applications, the leg elastic has a load for the elongation profile at the Profile 2 values as summarized in Table 4.

[159] Transition materials may be fabricated from any suitable material or combination of these materials. In various applications, the transition materials of the present invention can be manufactured from cotton, cotton blends, nylon, nylon blends, polyester, polyester blends, rayon, rayon blends, spandex and the like and combinations thereof. In some applications, transition materials can be a mixture of nylon and spandex. For example, transition materials can be 80% nylon and 20% spandex material. In some applications, the transition materials can be a cotton fabric blended with spandex. For example, transition materials can be cotton fabric with 12% to 25%, 15% to 22% or approximately 20% spandex. Thus, in some applications, transition materials can be 80% cotton and 20% spandex. In other applications, the transition materials can be a polyester fabric blended with spandex. In these applications, the polyester fabric can be 8% to 16%, 10% to 15% or about 14% spandex. Thus, in some applications, transition materials can be 86% polyester and 14% spandex.
[160] In some applications, the first transition is made of a first material and the second transition is made of the same first material. In other applications, the first transition is made from a first material and the second transition is made from a second material that is different from the first material. In many applications, the first transition and/or the second transition may be elastically extensible in one or more directions. For example, in some applications, both the first transition and the second transition are elastically extensible in the longitudinal direction and in the transverse direction.
[161] In some applications, transition materials are able to extend in the transverse direction up to at least 250%. Additionally, in some applications, transition materials are adapted to have sufficient tractive force in the transverse direction to hold the strip firmly against the body, both on initial placement as well as after urine emission. In some applications, transition materials are adapted to have sufficient tractive force in the transverse direction in the range of about 100% to about 250%. The load for the elongation profile of transition materials can be determined using the Strip Tensile Test described herein using a 3-inch by 7-inch sample.
[162] In some applications, transition materials have a tractive force in the transverse direction of about 750 grams force per 3 inches wide at 100% elongation to about 27,500 grams force per 3 inches wide at elongation 250%. In many applications, transition materials have a tensile strength of less than about 1,500 grams per 3 inches wide at 80% elongation in the transverse direction. In some applications, transition materials have a 150% elongation load in the transverse direction of about 1,100 to about 7,000 grams of force per 3 inches wide. In some applications, transition materials have a 250% elongation load in the transverse direction of about 2,000 to about 27,500 grams of force per 3 inches wide. In some applications, transition materials have a load to the elongation profile in the transverse direction between Profile 1 and Profile 2, between Profile 1 and Profile 3, and between Profile 2 and Profile 3 as summarized in the Table 5. In some applications, transition materials have a load for the elongation profile in the transverse direction at the values summarized for Profile 2 in Table 5. Table 5: Transition Material Load (force in grams per 3 inches wide) and Stretching - Transverse Direction

[163] In some applications, transition materials are capable of extending in the longitudinal direction up to at least 150%. In some applications, transition materials are adapted to have sufficient tensile strength in the longitudinal direction to hold the strip firmly against the body both at initial placement and after urine emission. In some applications, transition materials are adapted to have sufficient tensile strength in the longitudinal direction in the range of about 80% to about 150%. Thus, in some applications, transition materials have a tensile strength in the longitudinal direction of about 850 grams force per 3 inches wide at 80% elongation to about 21,250 grams force per 3 inches wide at elongation of 150%. In many applications, transition materials have an 80% elongation load in the longitudinal direction of less than about 2,100 grams of force per 3 inches wide. In some applications, transition materials have a 150% elongation load in the longitudinal direction of about 2,000 to about 21,250 grams of force per 3 inches wide. In some applications, transition materials have a load to the elongation profile in the longitudinal direction between Profile 1 and Profile 2, between Profile 1 and Profile 3, and between Profile 2 and Profile 3 as summarized in Table 6 In some applications, transition materials have a load for the elongation profile in the longitudinal direction at Profile 2 values, as summarized in Table 6. Table 6: Transition Material Load (force in grams per 3 inches wide) and Stretching - Longitudinal Direction

[164] In some applications, the first transition defines a first transition width as measured in the transverse direction and a first transition length measured in the longitudinal direction. Similarly, the second transition defines a second transition width as measured in the transverse direction and a second transition length as measured in the longitudinal direction. For example, referring again to the Figure In Figure 17, first transition 108 defines a first transition width 109 and a first transition length 107. Similarly, second transition 110 defines a second transition width 111 and a second length 113. In various applications, the first transition width may be the same as the second transition width. In other applications, the first transition width may be smaller than the second transition width. In other applications, the first transition width may be greater than the second transition width. In some applications, the first transition width can be from 100 to 125 mm and the second transition width can be from 170 to 200 mm. In some applications, the first transition width may be about 114 mm and the second transition width may be about 185 mm.
[165] In various applications, the strips of the present invention may include only a first transition or only a second transition. In various applications, the strips of the present invention can include a first transition and a second transition. The first transition or second transition may be positioned in the front waist region or the rear waist region in any of the applications described herein.
[166] In some applications, the base sheet can be fabricated from any suitable material or combination of these materials. In some applications, the base sheet can be made from polyester, polyurethane, polypropylene, polyethylene or the like, or combinations thereof. In some applications, the base sheet may be a polyester fabric laminated with polyurethane. In some applications, the base sheet may be 55% polyester and 45% by weight polyurethane. In some applications, the base sheet may be a polyester fabric laminated with a layer of polyurethane. In many applications, the polyurethane layer can be of any suitable thickness. For example, the polyurethane layer can have a thickness of 1 mm. In many applications, the polyester fabric can be laminated with a layer of polyurethane using any suitable means of joining. For example, the polyurethane layer and the polyester fabric can be laminated together using adhesive bonding, thermal bonding, mechanical bonding and the like and combinations thereof. In some applications, the base sheet may be a polyester fabric adhesively laminated to a 1 mm thick polyurethane layer.
[167] In many applications, the base sheet can be elastically stretchable in one or more directions. For example, in some applications, the base sheet may be elastically extensible in the longitudinal direction and/or in the transverse direction. In other applications, the base sheet may be non-extendable in one or more directions.
[168] In many applications, the base sheet can have any suitable shape. In some applications the base sheet may be rectangular or non-rectangular. For example, as illustrated in the Figure In Figure 11, the base sheet 56 may have a curvilinear shape where the base sheet defines a first portion 76, a second portion 78, and a third portion 80. In the illustrated application, the first portion 76 has curvilinear side edges and a maximum width that is greater than the maximum width of the second portion 78. Additionally, the third portion 80 has curvilinear side edges and a maximum width that is greater than the maximum width of the second portion 78. The second portion 78 has relatively straight and parallel lateral edges.
[169] In another example, illustrated in Figure 17, the base sheet 106 may have a curvilinear shape where the base sheet defines a first portion 126, a second portion 128, and a third portion 130. In the illustrated application, the first portion 126 it has curvilinear side edges and a maximum width greater than the maximum width of the second portion 128. Additionally, the third portion 130 has curved side edges and a maximum width that is greater than the maximum width of the second portion 128. The second portion 128 has edges relatively straight and parallel sides except flap 96 which is a distinct projection from base sheet 106.
[170] In another example, illustrated in Figure In Figure 23, the base sheet 154 may have a curvilinear shape where the base sheet defines a first portion 190, a second portion 191, and a third portion 198. In the illustrated application, the first portion portion 190 has curvilinear side edges and a maximum width that is greater than the maximum width of second portion 191. Additionally, third portion 198 has curvilinear side edges and a maximum width that is greater than the maximum width of second portion 191. portion 191 has relatively straight and parallel side edges.
[171] In another example, illustrated in Figure In Figure 28, the base sheet 338 may have a curvilinear shape where the base sheet defines a first portion 366, a second portion 367, and a third portion 368. In the illustrated application, the first portion portion 366 has curvilinear side edges and a maximum width that is greater than the maximum width of second portion 367. Additionally, third portion 368 has curvilinear side edges and a maximum width that is greater than the maximum width of second portion 367. portion 367 has relatively straight and parallel side edges.
[172] In some applications, the containment tab material can be made of any suitable material or a combination of these materials. In some applications, the material of the containment flap can be made of polyester, polyurethane, polypropylene, polyethylene or the like, or combinations thereof. In some applications, the containment flap material may be a polyester fabric laminated with polyurethane. In some applications, the containment flap material may be 55% polyester and 45% polyurethane by weight. In some applications, the material of the containment flap may be a polyester fabric laminated with a layer of polyurethane. In many applications, the polyurethane layer can be of any suitable thickness. For example, the polyurethane layer can have a thickness of 1 mm. In many applications, the polyester fabric can be laminated with a layer of polyurethane using any suitable means of joining. For example, the polyurethane layer and the polyester fabric can be laminated together using adhesive bonding, thermal bonding, mechanical bonding and the like and combinations thereof. In some applications, the material of the containment flap may be a polyester fabric adhesively laminated to a layer of polyurethane having a thickness of 1 mm.
[173] In many applications, the containment tab material can be elastically stretchable in one or more directions. For example, in some applications, the material of the containment flap may be elastically extensible in the longitudinal direction and/or in the transverse direction. In other applications, the containment tab material may be non-extendable in one or more directions.
[174] The elastic of the flap can be formed from any suitable elastic material. As is well known to those skilled in the art, suitable elastic materials include natural rubber, synthetic rubber, or thermoplastic elastomeric polymers, blades, filaments or tapes. The tab elastic can be stretched and adhered to the containment tab, adhered to a gathered containment tab, or adhered to a containment tab and then stretched or shrunk so that elastic tensile forces are transmitted to the containment tab. In some applications, the elastic on the flap may be made of nylon, spandex, polyester, cotton, rayon and the like, and combinations thereof. In some applications, the elastic on the flap may be a mixture of nylon and spandex. For example, in some applications, the elastic on the flap may be 91% nylon and 9% spandex.
[175] In some applications, the flap elastic may be a low tension bending elastic. This type of flap elastic is believed to reduce the amount of build-up and potential points of irritation in the containment flaps. Additionally, this type of flap elastic has a flatter profile and is believed to be more comfortable and provide more surface contact with the wearer's skin for a better seal against the body.
[176] In some applications, the tab elastic can be joined to the containment tab to define a tension of the finished tab. In many applications, the tension of the finished tab can be generally uniform along the entire length of the containment tab. In other applications, the tension of the finished tab may be variable along the length of the containment tab. For example, in some applications, the tension of the finished flap may be higher near the genital region of the restraining pants and may be lower near the front waist region and/or the rear waist region.
[177] Again referring to Figure 28, the first lateral containment tab 330 and the second lateral containment tab 332 define a distal edge 343 and a distal edge length 347. In various applications, the containment tab elastic 345 ( not shown in Figure 28) can be applied at varying tension along the length 347 of tabs 330 and 332. In some applications, the elastic of containment tab 345 can be applied to define a first zone of tension 380, a second zone of tension. tension 381and a third tension zone 382. In various applications, the elastic tension in the second tension zone 381 can be greater than the elastic tension in the first tension zone 380 and can be greater than the elastic tension in the third tension zone 382. In some applications, the elastic tension in the first tension zone 380 may be the same as the elastic tension in the third tension zone 382.
[178] For example, in one application, the relaxed length of containment tab 347 may be 390 mm and the elastic of containment tab 345 may have a relaxed length of 260 mm. The elastic of tab 345 can be applied relaxed (that is, with no elongation) along the first 38 mm of the distal edge 343 to define the first tension zone 380. The elastic 345 can be applied at an elongation of 89% along the next 276 mm from distal edge 343 to define second tension zone 381. In other words, 146 mm of relaxed elastic 345 is stretched to 276 mm and then applied to distal edge 343 in second tension zone 381. Finally, elastic 345 can be applied relaxed along the final 76 mm of distal edge 343 to define the third tension zone 382.
[179] In another application, the relaxed length of containment tab 347 may be 414 mm and the elastic of containment tab 345 may have a relaxed length of 273 mm. The elastic of tab 345 can be applied relaxed (that is, with no elongation) along the first 38 mm of the distal edge 343 to define the first tension zone 380. The elastic 345 can be applied at an elongation of 85% along the next 300mm from distal edge 343 to define second tension zone 381. In other words, 162mm of relaxed elastic 345 is stretched to 300mm and then applied to distal edge 343 in second tension zone 381. Finally, elastic 345 can be applied relaxed along the final 76 mm of the distal edge 343 to define the third tension zone 382.
[180] In various applications, containment tab elastic 345 can be applied to the second tension zone 381 with 0 to 200% elongation, 50 to 150% elongation, or about 70 to 90% elongation. In various applications, the elastic of containment tab 345 can be applied to the first tension zone 380 and/or the third tension zone 382 with elongation from 0 to 150%.
[181] In many applications, at least one of the containment pant materials is treated to be more fluid impermeable. For example, in any of the applications described herein, at least one outer layer, waistband, leg elastic, transitions, base sheet, containment flaps, containment flap elastic, and yarn are treated to be more impervious to fluids. In many applications, treatment can include coating the materials in any suitable way using a water resistant treatment that is durable. In some applications, water resistant treatment that is durable may include a polymer coating. In some applications, the base sheet and/or containment flaps may include a polyurethane laminated fabric where the fabric side of the base sheet is treated with a water resistant treatment that is durable. In some applications, the base sheet and containment flaps can be constructed of a polyester fabric treated with a water resistant treatment that is durable and laminated with a polyurethane sheet. In some applications, the yarn used to join the containment tab elastic to the containment tabs can be treated with a water resistant treatment that is durable.
[182] In some applications, the containment pants of the present invention can be tailored to fit a wide range of sizes. In some applications, an example restraint pants can be adapted for children weighing between 38 and 65 pounds. In some applications, a sample restraint pants can be adapted to fit children weighing between 60 and 120 pounds. To facilitate this wide weight range and maintain a proper fit, the restraint pants of the present invention can be adapted at the waist, hips, and/or legs to extend up to about 100% while still providing sufficient tractive force to keep the trousers firmly against the body when putting on, during use and after emission of urine.
[183] To measure the strength-elongation profile of restraint pants, the following apparatus and procedures are used. Apparatus 388 is illustrated in Figures 32-34 and includes a constant rate of extension of the tensile strength tester 390. The tensile strength tester 390 includes a load cell 391, an upper jaw 394, a lower jaw 396, a upper device 398 and lower device 400. A test pant 392 is placed over the upper jaw 394 and the lower jaw 396 in various configurations. The 392 test pants are extended in the 399 direction and the load is measured at various lengths and/or circumferences.
[184] In a first configuration, test pants 392 are positioned on top jaw 394 and bottom jaw 396 as generally illustrated in Figure 32. In this configuration, test pants 392 are positioned to measure the "waist tension of the full pants ". For this test, the upper jaw 394 and the lower jaw 396 have a circumference of 62 mm, a length of 70 mm and are made of a rigid polymeric material having a smooth surface. In this configuration, the upper jaw 394 and the lower jaw 396 are inserted through the waist opening 393 of the test pants 392 only to the extent necessary to encompass the waist elastic 386.
[185] In a second configuration, test pants 392 are positioned on top jaw 394 and bottom jaw 396 as illustrated in Figure 33. In this configuration, test pants 392 are positioned to measure "complete pants hip tension" . For this test, the upper jaw 394 and the lower jaw 396 have a circumference of 78.5 mm, a length of 130 mm, and are made of a rigid polymeric material having a smooth surface. In this configuration, the upper jaw 394 and the lower jaw 396 are inserted through the waist opening 393 of the test pants 392 and extend from the leg openings 395. The portions of the test pants 392 in contact with the upper jaws and lower 394 and 396 are centered on the respective jaw.
[186] In a third configuration, test pants 392 are positioned on top jaw 394 and bottom jaw 396 as illustrated in Figure 34. In this configuration, test pants 392 are positioned to measure "whole pant leg tension" . For this test, the upper jaw 394 and the lower jaw 396 have a circumference of 62 mm, a length of 70 mm and are made of a rigid polymeric material having a smooth surface. In this configuration, the upper jaw 394 and the lower jaw 396 are inserted through the leg opening 395 of the test pants 392 to a depth of 1 inch.
[187] In each of these configurations, the upper jaw 394 and the lower jaw 396 are free to rotate about the axis 397. Prior to testing, the test pants 392 are hung from the upper jaw 394 to account for the force of the test pants and therefore "zeroing" the load cell. The sensor length is selected for the waist opening or leg opening being tested to provide a tension of less than 50 grams before starting the test. The upper clamp 394 and the lower clamp 396 are separated until a tension load of 50 grams is reached and the sensor length is recorded and the elongation percentage is set to zero. The upper clamp 394 and the lower clamp 396 are separated at a head speed of 508 mm/minute and stresses at various sensor lengths are recorded and the elongation percentage is calculated. The circumference of the test pants 392 is calculated as twice the length of the sensor plus / the circumference of the upper jaw 394 plus / the circumference of the upper jaw 396.
[188] The 390 Tensile Strength Tester can be any constant rate tensile strength tester such as the MTS Model Synergie 200 Test Bed Tester that is offered by MTS(R) Systems Corporation of Research Triangle Park, NC, United States of America. The tensile strength tester includes suitable load cells selected so that most peak load values fall within the manufacturer's recommended ranges for the full scale load cell value.
[189] The test procedure is performed under ASTM standard laboratory conditions: atmosphere of 23 +-2 [degrees] C. (73.4+-3.6 [degrees] F.) and 50 +-5% relative humidity. Test pants are measured after balancing under laboratory conditions.
[190] Full pant waist tension, full pant hip tension, full pant leg tension were measured for several different test pants using the test method described above. The results of these tests are summarized below in Tables 7, 8, and 9. The pants included Code A, which is an exemplary pants of the present invention adapted for females in the 38 to 65 pound weight range. Code B is an example pants of the present invention adapted for males in the 38 to 65 pound weight range. Code C is an example pants of the present invention adapted for females in the 60 to 120 pound weight range. Code D is an example pants of the present invention adapted for males in the 60 to 120 pound weight range.
[191] Tables 7, 8, and 9 summarize force in grams (rounded to the nearest gram) over various circles as measured in millimeters. Percent elongation is calculated as the difference between the circumference at a given strain and the circumference at the 50 gram force divided by the circumference at the 50 gram force. Each value represents the average of the 3 pants measurements. This data is graphically represented in Figures 40-45. Table 7: All Pants - Waist Tension


Table 8: All Pants - Hip Tension


Table 9: All Pants - Leg Tension


[192] The various containment pants of the present invention are adapted to receive and support a discrete absorbent insert. As used herein, the term "discrete absorbent insert" refers to a self-contained absorbent structure that is adapted for insertion and removal of a pant without tearing, tearing or otherwise damaging the self-contained absorbent structure or pant. In some applications, the absorbent insert has a relatively high capacity adapted for children with urinary incontinence and/or for overnight use. In various applications, the pants of the present invention are devoid of an integrated absorbent core. As used herein, the term "integrated absorbent core" refers to a mass of fibers, particles, foam or the like, or combinations thereof that contain an absorbent capacity of at least 5 g/g and are contained within a pant and are not. adapted for removal of pants without tearing, tearing or otherwise without damage to the pants and/or the absorbent core. Suitable absorbent inserts are also described in US Patent Application No. 13/548,000 entitled "Absorbent Insert", filed July 12, 2012, and with procedural registration number 64816460US02, is incorporated herein in its entirety for reference purposes .
[193] Referring now to the Figures In Figures 35 and 36, a first example absorbent insert 230 is representatively illustrated. Figure 35 is a top view of absorbent insert 230 with portions cut away to better illustrate the underlying structure. Figure 36 is an expanded sectional view of the absorbent insert of Figure 35 taken along line C-C. The absorbent insert 230 defines a longitudinal direction 48, a relatively shorter transverse direction 50, and a thickness direction 49. The transverse direction extends generally perpendicular to the longitudinal direction, and the thickness or "z" direction extends generally perpendicular. both in the longitudinal and in the transverse direction.
[194] The absorbent insert 230 includes a first sheet 232 and a second sheet 234 in front relationship with the first sheet 232. The absorbent insert 230 also includes an absorbent core 236 positioned between the first sheet 232 and the second sheet 234. Figure 37 is a top view of the absorbent core 236 removed from the absorbent insert 230 of Figure 35 to better illustrate the detail. The absorbent core 236 defines a core perimeter 238, and the first sheet 232 and the second sheet 234 extend beyond the perimeter of the core 238, and are joined to form a perimeter seal 240. The outer extent of the first sheet 232 and /or the second sheet 234 defines the perimeter of the absorbent insert 239. The perimeter of the absorbent insert 239 in turn defines an area of the absorbent insert 269.
[195] Absorbent insert 230 defines an absorbent insert width 266 and an absorbent insert length 268. Absorbent insert 230 defines a first end section 270, a second end section 272, and a center section 274 in the longitudinal direction. The center section 274 extends between the first end section 270 and the second end section 272. The first end section 270 defines a first end section width 276 and a first end section length 278. end section 272 defines a second end section width 280 and a second end section length 282. Center section 274 defines a center section width 284 and a center section length 286. The first end section length 278 plus the second length of the end section 282 plus the length of the center section 286 is equal to the length of the absorbent insert 268. Several sections are measured in the transverse direction 50 and the lengths of the various sections are measured in the longitudinal direction 48.
[196] Referring now to Figures 38 and 39, another example of an absorbent insert 244 is illustrated representatively. Figure 38 is a top view of absorbent insert 244 with portions cut away to better illustrate the underlying structure. Figure 39 is an expanded sectional view of the absorbent insert of Figure 38 taken along line D-D. The absorbent insert 244 includes a first sheet 232 and a second sheet 234 in frontal relationship with the first sheet 232. The absorbent insert 244 also includes an absorbent core 248 positioned between the first sheet 232 and the second sheet 234. The absorbent core 248 defines a core perimeter 238 and the first sheet and second sheet extend beyond the perimeter of the core 238 and are joined to form a perimeter seal 240. The outer extent of the first sheet 232 and/or the second sheet 234 defines the perimeter of the absorbent insert which, in turn, defines an area of the absorbent insert. The absorbent insert 244 also includes a first absorbent material 242 positioned between the absorbent core 248 and the first sheet 232 and a second absorbent material 246 positioned between the absorbent core 248 and the second sheet 234.
[197] In any of the embodiments described herein, one or more absorbent inserts and/or one or more absorbent cores may further include one or more positioning notches. As used herein, the term "positioning notch" refers to any physical structure created within an absorbent insert and/or absorbent core that is adapted to engage and align with a positioning key, and which is adapted to at least partially surround portions of the positioning key when the absorbent insert is located within a pocket. The positioning notches are believed to aid in aligning the discrete absorbent insert with the pouch during insertion of the absorbent insert into the pouch. In addition, the positioning notches are believed to serve to minimize displacement of the absorbent insert relative to the fluid impermeable pouch after insertion and during use.
[198] In various embodiments, the positioning notches can be open or closed. As used herein, the term "open" refers to an absorbent core positioning notch or an absorbent insert positioning notch that defines a volume adapted to engage a positioning key without tearing, cutting, or otherwise separating. portions of the respective absorbent insert or absorbent core prior to engagement with a positioning key. As used herein, the term "closed" refers to an absorbent core positioning notch or an absorbent insert positioning notch that requires tearing, cutting, or otherwise separating portions of the respective absorbent insert or absorbent core prior to tearing, cutting, or otherwise separating portions of the respective absorbent insert or absorbent core. engagement with a positioning wrench. For example, a line of weakness can be adapted to be torn away prior to engagement with a positioning key.
[199] Referring now to Figures 52, 53 and 54, another example of an absorbent insert 460 is illustrated representatively. Figure 52 is a top view of the absorbent insert 460, with portions cut away to better illustrate the underlying structure. Figure 53 is an enlarged cross-sectional view of the absorbent insert of Fig. 52 taken along line E-E. Fig. 54 is an enlarged cross-sectional view of the absorbent insert of Fig. 52 taken along line F-F. The absorbent insert 460 is similar in construction to the absorbent insert 230 of Fig. 35, but with the addition of the first absorbent insert positioning notch 462, a first absorbent core positioning notch 464, a second absorbent insert positioning notch 466, and a second absorbent core positioning notch 468. In various embodiments, one or more such examples of open positioning notches may be incorporated into any of the absorbent inserts described herein.
[200] The absorbent insert 460 includes a first sheet 470 and a second sheet 472 facing the front of the first sheet 470. The absorbent insert 460 also includes an absorbent core 474 positioned between the first sheet 470 and the second sheet 472. absorbent core 474 defines a core perimeter 476. The first sheet 470 and second sheet 472 extend beyond the core perimeter 476 and are joined to form a perimeter seal 478. The outer extent of the first sheet 470 and/or the second sheet sheet 472 defines the perimeter of the absorbent insert 480. The perimeter of the absorbent insert 480, in turn, defines an area of the absorbent insert.
[201] The absorbent insert 460 also defines an absorbent insert width, an absorbent insert length, a first end section, a second end section, a center section, a first end section width, a first end section length, a second end section width, second end section length, center section width, and center section length, all similar to the absorbent insert 230 of Fig. 35.
[202] Now referring to Figure 55, another example of an absorbent insert 490 is illustrated representatively. The absorbent insert 490 is similar in construction to the absorbent insert 230 in Fig. 35, but with the addition of the first absorbent insert positioning notch 492, a first absorbent core positioning notch 494, a second absorbent insert positioning notch 496 and a second absorbent core positioning notch 498. In various embodiments, one or more such examples of open positioning notches may be incorporated into any of the absorbent inserts described herein.
[203] The absorbent insert 490 includes a first sheet 500 and a second sheet 502, facing the front of the first sheet 500. The absorbent insert 490 also includes an absorbent core 504 positioned between the first sheet 500 and the second sheet 502. absorbent core 504 defines a core perimeter 506. The first sheet 500 and second sheet 502 extend beyond the core perimeter 506 and are joined to form a perimeter seal 508. The outer extent of the first sheet 500 and/or the second sheet sheet 502 defines the perimeter of the absorbent insert 510. The perimeter of the absorbent insert 510, in turn, defines an area of the absorbent insert.
[204] The absorbent insert 490 also defines an absorbent insert width, an absorbent insert length, a first end section, a second end section, a center section, a first end section width, a first end section length, a second end section width, second end section length, center section width, and center section length, all similar to the absorbent insert 230 of Fig. 35.
[205] Now referring to Figure 56, another example absorbent insert 520 is illustrated representatively with portions cut away to better illustrate the underlying structure. Figure 57 is an enlarged cross-sectional view of the absorbent insert of Fig. 56 taken along line G-G. The absorbent insert 520 is similar in construction to the absorbent insert 230 of Fig. 35, but with the addition of the first absorbent insert positioning notch 522, a first absorbent core positioning notch 524, a second absorbent insert positioning notch 526, and a second absorbent core positioning notch 528. In this embodiment, the absorbent insert 520 includes a combination of open notches and closed notches. Specifically, the first absorbent core positioning notch 524 and the second absorbent core positioning notch 526 are illustrated as open notches and the first absorbent insert positioning notch 522 and the second absorbent insert positioning notch 526 are illustrated as notches closed with lines of weakness 542. Lines of weakness542 may be perforations, ridge lines, thermally weakened lines, or similar lines of weakness, or combinations thereof, that allow the absorbent insert 520 to be separated. In various embodiments, one or more such example positioning notches can be incorporated into any of the absorbent inserts described herein.
[206] The absorbent insert 520 includes a first sheet 530 and a second sheet 532 facing the front of the first sheet 530. The absorbent insert 520 also includes an absorbent core 534 positioned between the first sheet 530 and the second sheet 532. absorbent core 534 defines a core perimeter 536. The first sheet 530 and second sheet 532 extend beyond the core perimeter 536 and are joined to form a perimeter seal 538. The outer extent of the first sheet 530 and/or the second sheet 532 defines the perimeter of the absorbent insert 540. The perimeter of the absorbent insert 540, in turn, defines an area of the absorbent insert.
[207] The absorbent insert 520 also defines an absorbent insert width, an absorbent insert length, a first end section, a second end section, a center section, a first end section width, a first end section length, a second end section width, second end section length, center section width, and center section length, all similar to the absorbent insert 230 of Fig. 35.
[208] In various embodiments, the positioning notches can be any suitable width and any suitable depth. In general, the width of a respective positioning notch is the maximum dimension that can be measured in the transverse direction without deforming the positioning notch. Likewise, the depth of the respective positioning notch of a respective positioning notch is the maximum dimension that can be entered in the longitudinal direction without deforming the positioning notch.
[209] For example, again with reference to Fig. 52, an absorbent insert positioning notch depth 548 is measured in the longitudinal direction 48 from a leading edge 552 of the absorbent insert positioning notch 466 to a trailing edge 554 of the absorbent insert positioning notch 466, as illustrated illustratively. Likewise, the depth of the absorbent core positioning notch 550 is measured from the leading edge 556 of the absorbent core positioning notch 468 to a trailing edge 558 of the absorbent core positioning notch 468. In various embodiments, the depth of the absorbent insert positioning notch may be from 30 to 60 mm, 35 to 50 mm, or about 43 mm. In various embodiments, the depth of the absorbent core positioning notch can be from 30 to 60 mm, 35 to 50 mm, or about 43 mm. In various embodiments, the depth of the absorbent core positioning notch may be greater than, less than or equal to the depth of the absorbent insert positioning notch.
[210] Still referring to Fig. 52, an absorbent insert positioning notch width 544 is measured in the transverse direction 50 from one side of the absorbent insert positioning notch to the other side of the absorbent insert positioning notch, as illustrated representatively. Likewise, the width of the absorbent core positioning notch 546 is measured from one side of the absorbent core positioning notch to the other side of the absorbent core positioning notch. In various embodiments, the width of the absorbent insert positioning notch 544 and/or the width of the absorbent core positioning notch 546 can vary significantly, as measured along the depth of the respective positioning notch, as illustrated. in Fig. 55. In other embodiments, the width of the absorbent insert positioning notch 544 and/or the width of the absorbent core positioning notch 546 may vary gradually, as measured along the depth of the respective positioning notch, as illustrated in Fig. 52. As such, in some embodiments, the width of a positioning notch can be characterized by measuring at 50% of the respective notch depth. In various embodiments, the width of the absorbent insert positioning notch at 50% of the absorbent insert positioning notch depth can be from 1 to 15 mm, 5 to 10 mm, or about 7 mm. In various embodiments, the width of the absorbent core positioning notch at 50% the depth of the absorbent core positioning notch can be 10 to 25 mm, 15 to 20 mm, or about 17 mm.
[211] In embodiments having an absorbent core positioning notch, the width of the absorbent core is separated by the absorbent core positioning notch to define a first subwidth and a second subwidth. Subwidths are measured in the transverse direction from an absorbent core perimeter to an absorbent core positioning notch perimeter. In general, the respective subwidths are the minimum dimension that the respective subwidths can encompass without deforming the absorbent core. For example, referring again to Figure 52, the absorbent insert example 460 has an absorbent core width 288 that is separated by the absorbent core positioning notch 464 to define a first subwidth 560 and a second subwidth 562. The first subwidth 560 is measured in the transverse direction 50 from an absorbent core positioning notch 476 to an absorbent core positioning notch perimeter 564. Likewise, the second subwidth 562 is measured in the transverse direction 50 from the one absorbent core positioning notch perimeter 564 to absorbent core perimeter 476. In embodiments having multiple absorbent core positioning notches, respective absorbent core widths may be separated to define a third subwidth, fourth subwidth, etc. In various embodiments, the subwidths can be 60 to 90 mm, 70 to 80 mm, or about 70 mm. In some embodiments, a first subwidth can be 90 to 110% of a second subwidth. In various embodiments, the first subwidth can be approximately 100% of the second subwidth. In these embodiments, the absorbent core positioning notch is essentially centered within the absorbent core in the transverse direction.
[212] In an embodiment adapted for use by a child weighing 60 to 120 pounds, any of the absorbent inserts described herein may have an absorbent insert length of 425 to 475 mm or 430 to 450 mm or about 440 mm . In an embodiment adapted for use by a child weighing 38 to 65 pounds, any of the absorbent inserts described herein may have an absorbent insert length of 375 to 425 mm, 390 to 410 mm, or about 400 mm. In various applications, the first length of the end section may be equal to the length of the center section which may be equal to the second length of the end section. In other applications, the first end section length may be the same as the second end section length and the center section length may be different. For example, the first end section length may be about 35% of the absorbent insert length, the second end section length may be about 35% of the absorbent insert length, and the center section length may be about 30% of the length of the absorbent insert. In another example, the first end section length may be about 30% of the absorbent insert length, the second end section length may be about 30% of the absorbent insert length, and the center section length it can be about 40% of the length of the absorbent insert.
[213] In various embodiments, any of the absorbent inserts described herein may have a width that varies at different points along the longitudinal direction. For example, as illustrated in Figure In Figure 35, the absorbent insert 230 has a variable width at different points along the longitudinal direction. In this application, the first end section 270 and the second end section 272 have a maximum width that is greater than the maximum width of the center section 274. For example, in some applications, the first end section and the second end section they can have a maximum width of about 160 to 210 mm, 170 to 200 mm, 180 to 190 mm or about 186 mm. In these applications, the center section can have a maximum width of about 90 to 130 mm, about 100 to 120 mm or about 114 mm.
[214] In various applications, the first end section, second end section, and/or center section may have a variable width at different points along the longitudinal direction or may have a consistent width at different points along the length. longitudinal direction. In some applications, the first end section and second end section may have variable width at different points along the longitudinal direction and the center section may have a consistent width at different points along the longitudinal direction as illustrated in Figure 35. In some applications, the first end section and the second end section may have a width ranging from 186 mm maximum to 114 mm minimum. In these applications, the center section can have a consistent width of about 114 mm.
[215] In some embodiments, and as exemplified in Fig. 35, the absorbent insert defines a first reference width 316 measuring 1/8 of the length of the absorbent insert 268, a second reference width 317 measuring a/the length of the absorbent insert 268, and a third reference width 318 measured 7/8 of the length of the absorbent insert 268. In some applications, the first reference width 316 may be equal to the third reference width 318 and the second reference width 317. may be smaller than the first and third reference widths 316 and 318. In some applications, the second reference width 317 may be less than 50%, 60%, 70% or 80% of the first reference width 316 and/or the third reference width 318. In some applications, the second reference width 317 may be about 60% of the first reference width 316 and the third reference width 318.
[216] In various embodiments, the area of the absorbent insert can be of any suitable value. For example, in applications adapted for use by a child weighing 60 to 120 pounds, the absorbent insert area can be around 65,000 mm2. In applications adapted for use by a child weighing 38 to 65 pounds, the absorbent insert area can be approximately 57,600 mm2.
[217] In many applications, the absorbent insert can define any suitable shape. For example, the absorbent insert can be symmetrical about the transverse centerline as shown in Figure 35 or it may have an asymmetrical shape about the transverse centerline as shown in Figure 38. In various applications, the absorbent inserts can have a rectangle shape, dog bone shape, hourglass shape, T-shaped or similar.
[218] Again with reference to Figure In Figure 37, absorbent core 236 defines an absorbent core width 288 and an absorbent core length 289. The absorbent core 236 also defines a first end section 290, a second end section 292 , and a center section 294 in the longitudinal direction 48. The center section 294 extends between the first end section 290 and the second end section 292. The first end section 290 defines a first end section width 296 and a first end section length 298. Second end section 292 defines a second end section width 300 and a second end section length 302. Center section 294 defines a center section width 304 and a center section length 306. The first end section length 298 plus the second end section length 302 plus the center section length 306 is equal to the compress. tion of the absorbent core 289. The widths of the various sections are measured in the transverse direction 50 and the lengths of the various sections are measured in the longitudinal direction 48.
[219] In an embodiment adapted for use by a child weighing 60 to 120 pounds, any of the absorbent inserts described herein may have an absorbent core length of 350 to 450 mm, 375 to 425 mm, 390 to 410 mm or about 400 mm. In an embodiment adapted for use by a child weighing 38 to 65 pounds, any of the absorbent inserts described herein may have an absorbent core length of 340 to 380 mm, 350 to 370 mm, or about 360 mm. In various applications, the first length of the end section may be equal to the length of the center section which may be equal to the second length of the end section. In other applications, the first end section length may be the same as the second end section length and the center section length may be different. For example, the first length of the end section may be about 25% of the length of the absorbent core, the second length of the end section may be about 25% of the length of the absorbent core, and the length of the center section may be about 50% of the length of the absorbent core. In another example, the first length of the end section can be about 30% of the length of the absorbent core, the second length of the end section can be about 30% of the length of the absorbent core, and the length of the center section it can be about 40% of the length of the absorbent core.
[220] In various embodiments, any of the absorbent inserts described herein may have an absorbent core with a width that varies at different points along the longitudinal direction. For example, as illustrated in Figure In Figure 37, the absorbent core 236 has a variable width at different points along the longitudinal direction. In this application, the first end section 290 and the second end section 292 have a maximum width that is greater than the maximum width of the center section 294. For example, in various applications, the first end section and the second end section they can have a maximum width of about 120 to 165 mm, 135 to 150 mm or about 145 mm. In some applications, the maximum width is at least 120 mm, at least 130 mm, at least 140 mm, or at least 145 mm. In these applications, the center section can have a maximum width of about 55 to 95 mm, 65 to 85 mm or about 75 mm. In some applications, the center section may have a maximum width of less than 110, less than 100, less than 95, less than 90, less than 85, less than 80, or less than 75 mm.
[221] In various applications, the first end section, second end section, and/or center section may have a variable width at different points along the longitudinal direction or may have a consistent width at different points along the length. longitudinal direction. In some applications, the first end section and second end section may have variable width at different points along the longitudinal direction and the center section may have a consistent width at different points along the longitudinal direction as illustrated in Figure 37. In some applications, the first end section and the second end section may have a width ranging from 145 mm maximum to 75 mm minimum. In these applications, the center section can have a consistent width of about 75 mm.
[222] In some embodiments, any of the absorbent inserts described herein may include an absorbent core that defines a first reference width 320 measured at 1/8 of the length of the absorbent core 289, a second reference width 321 measured at/from. length of the absorbent core 289, and a third reference width 322 measured 7/8 of the length of the absorbent core 289. In some applications, the first reference width 320 may be equal to the third reference width 322 and the second reference width 321 may be smaller than the first and third reference widths 320 and 322. In some applications, the second reference width 321 may be less than 40%, 50%, 60%, 70% or 80% of the first reference width 320 and/or third reference width 322. In some applications, second reference width 321 may be about 50% of first reference width 320 and third reference width 322.
[223] The absorbent core also defines an area of the absorbent core. In various applications, the area of the absorbent core can be any suitable value. For example, in an embodiment adapted for use by a child weighing 60 to 120 pounds, any of the absorbent inserts described herein may have an absorbent core area of approximately 42,000 mm2 . In an embodiment adapted for use by a child weighing 38 to 65 pounds, any of the absorbent inserts described herein may have an absorbent core area of approximately 36,300 mm2 .
[224] In various embodiments, any of the absorbent inserts described herein may have a perimeter seal of any suitable width and may be formed by any suitable method. Again with reference to Figures 35-36, the width of the perimeter seal 241 is representatively illustrated. In some applications, the perimeter seal width may be at least 5, at least 10, at least 15, or at least 20 mm. The perimeter seal may include adhesive bonding, thermal bonding, ultrasonic bonding, pressure bonding and the like and combinations thereof. In some applications, the first sheet may be joined to the second sheet at the perimeter seal by adhesive bonding and the width of the perimeter seal may be at least 20 mm. In other applications, the first sheet may be joined to the second sheet at the perimeter seal by ultrasonic bonding and the width of the perimeter seal may be at least 10 mm.
[225] In embodiments having an absorbent insert positioning notch and an absorbent core positioning notch, the perimeter seal continues within the absorbent core positioning notch. In some embodiments, the perimeter seal has the same width inside the positioning notch as outside the positioning notch as illustrated in Figs. 52 and 55. In other embodiments, the perimeter seal has a greater width in the positioning notch compared to the width outside the positioning notch, as illustrated in Fig. 56. perimeter has a smaller width in the positioning notch compared to the width outside the positioning notch (not shown).
[226] In some embodiments, the absorbent inserts described herein may be substantially devoid of fluid impermeable materials. In some embodiments, any of the absorbent inserts described herein may not include a fluid impermeable barrier layer. In comparison, many absorbent articles include a fluid impermeable backsheet or baffle that is provided to prevent liquid from contacting the wearer's clothing or a delay layer that is provided to retard or deflect fluid. In the present invention, the absorbent insert is positioned within the fluid impermeable pouch and therefore does not require a fluid impermeable layer as part of the absorbent insert. Additionally, this design is believed to be beneficial in some applications over conventional inserts because fluid can be absorbed by the absorbent insert along the entire strip, including the body-facing surface, garment-facing surface, and sides. . In addition, the omission of a fluid impermeable layer eliminates the risk of fluid being trapped between the fluid impermeable pouch and the absorbent insert which can cause leakage during use or leakage upon removal of the absorbent insert from the pouch.
[227] In some embodiments, any of the absorbent inserts described herein may have one or more absorbent layers. For example, the absorbent inserts of Figs. 35, 52, 55 and 56 are illustrated with a first absorbent material 242 positioned between the first sheet and the absorbent core. In some applications, the absorbent insert may additionally or alternatively include a second input material. For example, the absorbent insert 244 of Figures 38 and 39 is illustrated with a first input material 242 and a second input material 246.
[228] In many applications, the first input material and/or the second input material can be any suitable length, width, or shape. For example, referring again to Figure In Figure 35, the first input material 242 defines an input material width 324 and a input material length 325. In various applications, the input material width may be from 50 to 70mm or about 62mm. In these applications, the width of the input material can be at least 70%, 80% or 90% of the second reference width 317 of the absorbent core. In some applications, the width of the input material may be about 84% of the second reference width 317 of the absorbent core.
[229] In some applications, the length of the lead-in material may be about 325 to 375 mm, 340 to 360 mm, or about 355 mm. In these applications, the length of the input material can be at least 70%, 80% or 90% of the length of the absorbent core. In some applications, the length of the input material can be about 88% of the length of the absorbent core.
[230] In many applications, the inlet materials can be rectangular as illustrated in Figure 35 or it can be any other suitable shape. For example, in various applications, input materials can be shaped similarly to the absorbent insert and/or the absorbent core.
[231] In various embodiments, any of the absorbent inserts described herein may have absorbent cores with absorbent material and one or more packaging sheets. For example, in some applications, absorbent cores may include a single liner sheet folded around the longitudinal side edges of the absorbent material and overlapping itself to form a fully coated absorbent core. In other applications, the absorbent core may include two overlay sheets. In these applications, one of the overlay sheets may be positioned primarily on a first front surface of the absorbent material. The other overlay sheet may be positioned primarily on the second front surface of the absorbent material. In these applications, the coating sheet on the second front surface may extend to the longitudinal side edges of the absorbent material, it may produce a coating around the longitudinal side edges of the absorbent material, or it may extend to the first front surface of the absorbent material. pad. Similarly, the cover sheet on the first front surface may extend to the longitudinal side edges of the absorbent material, it may produce a coating around the longitudinal side edges of the absorbent material, or it may extend to the second front surface of the absorbent material. pad. The coating sheets can overlap or can overlap each other.
[232] Referring again to Figures 36 and 52-57, the respective absorbent cores are illustrated representatively with a first packaging sheet 252 positioned on a first contact surface 256 of the absorbent material 253. 252 extends between the longitudinal side edges 260 of the absorbent material 253. The respective absorbent cores also include a second packaging sheet 254 positioned over a second contact surface 258 of the absorbent material 253. The second cover sheet 254 extends between the longitudinal side edges 260 of the absorbent material 253.
[233] Again with reference to Figure In Figure 39, the absorbent core 248 is representatively illustrated with an overlay sheet 262 positioned on a first front surface 256 of the absorbent material 253. The overlay sheet 262 extends around the side edges 260 of the absorbent material 253 and is also positioned on a second front surface 258 of the absorbent material 253. The cover sheet 262 may at least partially overlap itself at the overlap 264.
[234] In many applications, the first sheet and the second sheet can be made of the same material or they can be of different materials. In some applications, the first sheet and second sheet may have the same basis weight, or they may be of different weights. The first sheet and/or the second sheet may be fluid permeable and may be made of substantially hydrophobic fibrous material. For example, the first sheet and/or the second sheet can be a strand of yarn joined after extrusion composed of synthetic polymer filaments. In some applications, the first sheet and/or the second sheet may be a blown cast web or a combed bonded web composed of synthetic polymer filaments. Suitable synthetic polymers include, for example, polyethylene, polypropylene, polyester and the like and combinations thereof. In some applications, both the first sheet and the second sheet are polypropylene nonwoven webs joined after extrusion having an individual basis weight of about 15 gsm. In some applications, the first sheet and/or the second sheet can be treated with surfactants to adjust the degree of hydrophobicity and wettability. In some applications, the first sheet and/or the second sheet may be embossed, punched, cut, or otherwise machined.
[235] The absorbent core typically includes an absorbent material composed of air-laid cellulosic fibers, commonly referred to as "fluff" cellulose. Other natural fibers, such as cotton, can also be used to form the absorbent core. The absorbent core can have a density ranging from about 0.18-0.30 grams/cc. This range of density allows the absorbent core to be flexible enough to conform readily to the wearer's body while still retaining sufficient rigidity for insertion into the pouch. In some applications, the absorbent core can have a density of about 0.24 grams/cc. The absorbent core may alternatively or additionally include a co-formed material composed of a mixture of cellulosic fibers and synthetic polymer fibers. For example, the co-formed material can be composed of an air-deposited mixture of cellulosic fibers and fused and blown polyolefin fibers such as polyethylene and/or polypropylene fibers. Furthermore, the absorbent core can have a dry thickness of about 3 to 5 mm, or about 4 mm, as measured under a containment pressure of 0.068 psi (0.47 kPa).
[236] The absorbent core may also include an effective amount of a high-absorbent inorganic or organic material (eg, superabsorbent) to improve the absorbency of the absorbent body. For example, the absorbent core may contain 5 to 95% by weight of the high absorbent material and preferably includes about 30 to 70, 40 to 60, or about 50% by weight of the high absorbent material to provide more performance. efficient. In some applications, the absorbent core can include equal amounts of "fluff" and superabsorbent cellulose. For example, in some applications, the absorbent core can include at least 14, at least 15, at least 16, at least 17, at least 18, or at least 19 grams of superabsorbent. In some applications, the absorbent core can include at least 14, at least 15, at least 16, at least 17, at least 18, or at least 19 grams of "fluff" cellulose. In some applications, the absorbent core can include about 19 grams of superabsorbent and about 19 grams of "fluff" cellulose. In other applications, the absorbent core can include about 17 grams of superabsorbent and about 17 grams of "fluff" cellulose.
[237] Suitable high absorbency inorganic materials include, for example, absorbent clays and silica gels. High absorbency organic materials can include natural materials such as agar, pectin, guar gum and peat moss, as well as synthetic materials such as synthetic hydrogel polymers. Such hydrogel polymers include, for example, carboxymethylcellulose, alkali metal salts of polyacrylic acids, polyacrylamides, polyvinyl ethers, hydroxypropyl cellulose, polyvinyl morpholinone, vinyl sulfonic acid polymers and copolymers, polyacrylates, polyacrylamides, polyvinyl pyridine and the like. Other suitable polymers include hydrolyzed acrylonitrile starch, hydrolyzed acrylic acid starch, and isobutylene maleic anhydride copolymers and mixtures thereof. Hydrogel polymers are preferably lightly cross-linked to impart the desired levels of water insolubility to the material.
[238] In some applications, the backing sheet may be a woven or non-woven material and may be composed of any suitable material. For example, the overlay sheet can be composed of polypropylene, cellulosic fabric and the like and combinations thereof. In some applications, the overlay sheet may be a non-woven material made of polypropylene bonded together after extrusion and may have a basis weight of about 10 gsm.
[239] The input layer or layers help to decelerate and spread swells or jets of fluid that can be quickly introduced into the absorbent insert. Desirably, the entry layer can quickly accept and temporarily hold fluid before releasing fluid into the absorbent core of the absorbent insert. In some applications, the entry layer may be an air-bonded combed weft composed of 40% hollow polypropylene fibers (6 denier) and 60% bicomponent (6 denier) fibers (bicomponent sheath: polypropylene core). In many applications, the inlet layer can have any suitable basis weight. For example, the input layer can have a basis weight of at least 30, at least 50, at least 75, at least 100, or at least 125 grams per square meter (gsm). In some applications, the input layer may have a basis weight of approximately 128 gsm. Other examples of suitable input layers are described in U.S. Patent No. 5,486,166; No. 5,490,846; and No. 5,820,973. The entire disclosures of these patents are hereby incorporated by reference to the extent that they are consistent (i.e., not in conflict) with this document.
[240] In some applications, the absorbent insert may have a first input layer and a second input layer. In some applications, the first input layer may be the same material as the second input layer, or it may be a different material. In some applications, the first input layer may have the same basis weight as the second input layer, or it may be a different basis weight.
[241] In some applications, the absorbent inserts of the present invention can be characterized, at least in part, by specific absorbent properties. For example, in some applications, the absorbent inserts can have a total absorbent capacity of at least 600 grams, at least 650 grams, at least 700 grams, or at least 750 grams of 0.9% saline solution. In some applications, the absorbent inserts can have an absorbent capacity of about 740 grams or about 827 grams. The total absorbent capacity of the absorbent inserts can be determined using the Retention Capacity Test Method. This test method measures the amount of fluid held by an absorbent insert under external pressure. An initial weight of the absorbent insert is measured and then the absorbent insert is submerged in a 0.9% saline solution for 20 minutes. After the saturation time, 0.5 psi of pressure is applied to the entire absorbent insert for 5 minutes and excess saline is drained off. After the pressing time, the weight of the saturated absorbent insert is measured. Total absorbent capacity is calculated as the saturated weight minus the initial weight.
[242] In some applications, absorbent inserts may have a first inlet rate measured through a first main surface and may have a second inlet rate measured through a second main surface that is located opposite the first main surface. In some applications, the first main surface may be adapted for positioning towards the wearer's body and the second main surface may be adapted for positioning towards the fluid impermeable pouch (i.e., towards the wearer's garment). In some applications, the first entry rate and/or the second entry rate may be determined by the cradle entry test method. This test measures the time required for an absorbent insert to absorb a specific volume of 0.9% saline solution (urine emission). The absorbent insert is positioned within a test cradle with the first main surface (body facing surface) up and the second main surface (garment facing surface) down towards the crib to determine the first input rate . The absorbent insert is positioned within a test cradle with the second main surface (garment-facing surface) up and the first main surface (body-facing surface) down towards the cradle to determine the second input rate . The urine emission site is located in relation to the transverse centerline of the pants. For products designed for users weighing 38 to 65 pounds, the urine emission location is 150 mm in front of the transverse centerline for boys and is 90 mm in front of the transverse centerline for girls and the urine emission volume is 120 ml for both. For products designed for users weighing 60 to 120 pounds, the location of the urine output is 170mm in front of the transverse centerline for boys and 80mm in front of the transverse centerline for girls and the volume of urine emission is 220 ml for both. The saline solution flow rate is 15 ml/second and the saline solution has a temperature of 98.6 degrees F. The respective absorbent inserts receive a first-time urine emission at the aforementioned locations, volumes and flow rates. The time required for the absorbent insert to completely absorb the first urine output is recorded. After 15 minutes, the respective absorbent inserts receive a urine emission a second time at the aforementioned locations, volumes and flows. The time required for the absorbent insert to completely absorb the second urine output is recorded.
[243] In some applications, the first entry rate may be less than 30 seconds for the first urine output and less than 100 seconds for the second urine output. In some applications, the second entry rate may be less than 30 seconds for the first urine output and less than 100 seconds for the second urine output. In some applications, the ratio of the first entry rate to the second entry rate for the first urine output may be at least 1:3, at least 1:2, at least 1:1.5, or about 1: 1.
[244] In some applications, absorbent inserts can be characterized by total absorbent capacity as a proportion of the width of the genital region. In some applications, products designed for users weighing 60 to 120 pounds may have an absorbent capacity of around 827 grams and a width in the genital region of around 74 mm. In other applications, products designed for users weighing 38 to 65 pounds may have an absorbent capacity of about 740 grams and a genital area width of about 74 mm. Therefore, in some applications, the ratio of total absorbent capacity to width in the genital area may be at least 9g/mm, at least 10g/mm, or at least 11g/mm.
[245] The absorbent inserts of the present invention may be provided in any suitable form. For example, any of the absorbent inserts described herein can be folded, stacked, wrapped, compressed, or the like, and combinations thereof. In some applications, the absorbent inserts can be packaged individually in a package. In some applications, the absorbent inserts can be folded one or more times before being placed in a package. In some applications, the absorbent inserts can be folded twice before being placed in the package.
[246] In some applications, the absorbent inserts of the present invention include a first sheet, a second sheet, an entry layer, and an absorbent core. In these applications, the absorbent core can be positioned between the first sheet and the second sheet. Furthermore, the entry layer can be positioned between the first sheet and the absorbent core. In this configuration, the first sheet is designated as the body side and the second sheet is designated as the garment side of the absorbent insert.
[247] In various embodiments, any of the absorbent inserts described herein may be folded a first time such that a first portion of the body-facing side is in face relationship with a second body-facing portion. In these applications, the absorbent insert can be folded a second time so that a third body side portion is in frontal relationship with a first garment side portion. In other applications, the absorbent insert may be folded a first time so that a first garment side portion is in frontal relationship with a second garment side portion. In these applications, the absorbent insert can be folded a second time so that a third garment side portion is in frontal relationship with a first body side portion.
[248] In some applications, the first ply can be positioned so that the absorbent insert is effectively folded into equal halves. In some applications, the first ply and second ply can be positioned so that the absorbent insert is effectively folded into approximately equal thirds.
[249] In many applications, the folded absorbent inserts can be individually wrapped in any suitable packaging material. Conventionally, the package is composed of one or more layers of a thin sheet or film of thermoplastic material, such as polyethylene, which is folded around the absorbent article and then sealed by the use of heat and/or pressure, ultrasound or an adhesive to form a package or bag. In various applications, packaging can include films made from poly(vinyl alcohol), polyvinyl acetate, ethylene vinyl alcohol, polyurethane, ethylene methyl acrylate, and ethylene methyl acrylic acid to make them breathable. In some applications, the packaging material may also be a laminate of different materials, such as a film/non-woven laminate. The pack may have a sealed side or edge that is designed to be opened by breaking or tearing the material on or adjacent to the seal in order to later remove the absorbent insert. With some package designs, a flap is provided that folds over the bag opening and can be attached to the front of the bag with adhesive applied between the bag and the flap, or with a piece of tape. The sides of the flap can be sealed with the sides of the pouch and can be separated before removing the absorbent article.
[250] The containment pants and absorbent inserts of the present invention are adapted to work together as a containment system. In various applications, the containment system includes one or more containment pants such as those described herein and one or more absorbent inserts such as those described herein. Suitable containment systems are also described in US Patent Application No. 13/548,012, entitled "Containment System", filed July 12, 2012, and with procedural registration number 64816460US03, is incorporated herein in its entirety for purposes of reference.
[251] In use and prior to placement, the absorbent inserts are positioned within the pouch that is suspended within the containment pants. After the absorbent insert is positioned, the containment system is pulled into place like a conventional underwear. The containment pants are adapted to hold the absorbent insert in position which, in turn, is adapted to accept one or more urine emissions from the wearer. The absorbent insert is adapted to quickly allow the entry and absorption of urine. The bag is impervious to fluid and is adapted to hold any urine that cannot be immediately absorbed by the absorbent insert. In some applications, the absorbent insert is permeable to fluid on the garment facing surface and/or on the side edges as well as the side surface of the body. Therefore, any urine retained by the fluid impermeable bag can be drawn into the absorbent insert through the body facing surface and/or the side edges. The used absorbent insert can be removed from the fluid impermeable pouch and the containment pant can be washed prior to reuse with a new absorbent insert.
[252] In a variety of applications, the absorbent inserts of the present invention may be secured to the containment trouser pockets by any suitable means. For example, the absorbent inserts can be attached to the pouches by means of button fasteners, a snap button, Velcro, pressure sensitive adhesive, and the like and combinations thereof. In some applications, the absorbent inserts may be additionally or alternatively held in place by the structure of the fluid impermeable pouch containment flaps. For example, the containment tabs can include end pockets that help secure a portion of the absorbent insert within the pockets. In some embodiments, the retaining tabs may include one or more positioning keys that are adapted to align and engage with one or more positioning notches in a coordinated absorbent insert. In some applications, the containment tabs may include a tab elastic that provides pulling forces that help secure the absorbent insert within the pouch. In some applications, the absorbent inserts are held in place only by the structure of the containment flaps and/or end pockets. In some applications, the absorbent inserts are held in place only by the structure of the containment tabs and the containment tab elastic and are devoid of fasteners. In some applications, the absorbent inserts are devoid of containment tabs. In these applications, fluid containment is provided by the bag's containment flaps.
[253] In various applications, the containment system may include a containment pants, containing a pouch with a base surface area of the pouch, a length, width, and/or shape adapted to accommodate a specific absorbent insert containing an insert complementary absorbent and/or an area, length, width and/or shape of an absorbent core. This complementary area, length, width and/or shape is believed to improve placement of the absorbent insert in the body, to help contain the absorbent insert within the pouch and provide a smooth fit and discreet appearance.
[254] In some applications, a containment pants may have a pouch with a pouch base surface containing a length of the pouch base surface. Similarly, the absorbent insert may have an absorbent insert length and/or an absorbent core length that is less than or equal to the length of the base surface of the pouch. In some applications, the length of the absorbent insert and/or a length of the absorbent core can be at least 70%, at least 80%, at least 90%, or at least 95% of the length of the base surface of the pouch. In one application, the length of the absorbent core can be 91% of the length of the base surface of the pouch. In these applications, the length of the absorbent insert and/or a length of the absorbent core can be 100% or less of the length of the base surface of the pouch. Containing an absorbent insert length and/or an absorbent core length for a pouch base surface length in these bands is believed to keep the absorbent insert secure within the pouch without excessive deformation or movement which can negatively affect performance and/ or comfort. An absorbent insert shorter than this range is more likely to cause movement or breakage of the bag seal which is likely to result in leakage. An absorbent insert longer than this range is likely to result in kinking and accumulation within the bag and can result in a poor user experience due to discomfort and/or loss of discretion.
[255] In some applications, a containment pants may have a bag with a bag base surface containing a maximum bag base surface width and a minimum bag base surface width where the maximum width is the minimum width are different. Similarly, the absorbent insert may have a maximum width of the absorbent insert and/or the absorbent core and a minimum width of the absorbent insert and/or the absorbent core where the maximum width and the minimum width are different. In some applications, the maximum width of the absorbent insert and/or absorbent core is at least 80%, at least 90% or at least 95% of the maximum width of the base surface of the pouch. In one application, the maximum width of the absorbent core is at least 85% of the maximum width of the base surface of the pouch. In these applications, the maximum width of the absorbent insert and/or the absorbent core can be 100% or less of the maximum width of the base surface of the pouch. In some applications, the minimum absorbent insert width and/or the minimum absorbent core width is at least 80%, at least 90%, or at least 95% of the minimum width of the base surface of the pouch. In one application, the minimum width of the absorbent core can be 91% of the minimum width of the base surface of the pouch. In these applications, the minimum width of the absorbent insert and/or the absorbent core can be 100% or less of the minimum width of the base surface of the pouch.
[256] In some applications, a containment pants may have a pouch with a pouch base surface having a maximum pouch base surface width at a front and/or a rear portion and a minimum pouch base surface width. bag in a central portion where the maximum width and minimum width are different. Similarly, the absorbent insert and/or absorbent core may have an absorbent insert and/or maximum absorbent core width in a front portion and/or a rear portion and a minimum absorbent insert and/or absorbent core width in a central portion. where the maximum width and minimum width are different. In some applications, the minimum width of the base surface of the pouch may be less than 80%, less than 70%, less than 60%, or about 62% of the maximum width of the base surface of the pouch. Similarly, the minimum width of the absorbent insert and/or the absorbent core can be less than 80%, less than 70%, less than 60%, or about 62% of the maximum width of the absorbent insert and/or the absorbent core .
[257] In one application, the present invention is a method of providing a containment system. The method includes providing a permanently closed containment pants containing a pouch like those disclosed in this document. The pouch defines a base surface of the pouch having a longitudinal direction, a first end section, a second end section, and a center section extending between the first end section and the second end section. The first end section, the second end section and the center section define equal lengths in the longitudinal direction and together define a base surface length of the pocket. The first end section defines a maximum width of at least 130 mm, at least 140 mm, at least 150 mm, or at least 165 mm, the center section defines a maximum width of less than 110 mm, less than 100 mm, less than 95 mm, and the second end section defines a maximum width of at least 130 mm, at least 140 mm, at least 150 mm, or at least 165 mm. The permanently closed containment pants are substantially devoid of an integrated absorbent core. The method further includes providing a discrete absorbent insert such as those disclosed herein. The discrete absorbent insert includes an absorbent core that defines a longitudinal direction, a first end section, a second end section, and a center section. The center section is positioned between the first end section and the second end section. The first end section, the second end section, and a center section define equal lengths in the longitudinal direction. The first end section defines a maximum width of at least 115 mm, at least 125 mm, or at least 135 mm, the center section defines a maximum width of less than 100 mm, less than 90 mm or less than 85 mm, and the second end section defines a maximum width of at least 115 mm, at least 125 mm, or at least 135 mm. The discrete absorbent insert is devoid of a fluid impervious layer.
[258] In some applications, a containment pants may have a bag with a bag base surface with a bag base surface area. Similarly, the absorbent insert may have an absorbent insert area and/or an absorbent core area that is less than or equal to the base surface area of the pouch. In some applications, the absorbent insert area and/or the absorbent core area can be at least 80%, at least 90%, or at least 95% of the base surface area of the pouch. In some applications, the area of the absorbent core is 76% of the base surface area of the pouch. In these applications, the absorbent insert area and/or absorbent core area can be 100% or less of the base surface area of the pouch. For example, in one application, the area of the absorbent core can be about 42,218 mm2 which represents 76% of the pocket surface area of about 55,270 mm2. In another application, the area of the absorbent core can be about 36,296 mm2 which represents 76% of the base surface area of the pouch of about 47,778 mm2.
[259] In some applications, a containment pants may have a pouch with a base surface of the pouch containing a shape of the base surface of the pouch and the absorbent insert and/or absorbent core may have a shape of the absorbent insert and/or a shape of the absorbent core that is substantially the same as the shape of the base surface of the pouch. In one application, the base surface of the pouch may have a curved perimeter in the form of a bow tie and the absorbent insert and/or absorbent core may have a curved perimeter in the form of a bow tie of similar length and/or width. For example, the base surface of the pouch can be a bow-tie shape as illustrated in Figure 28 and the absorbent core can be a bow-tie shape as shown in Figure 37. In another application, the base surface of the bag may have a torch-shaped curvilinear perimeter and the absorbent insert and/or the absorbent core may have a torch-shaped curvilinear perimeter of similar length and/or width. For example, the base surface of the pouch may be torch-shaped as illustrated in Figure 11 and the absorbent core may be torch-shaped as illustrated in Figure 38.
[260] In some embodiments, a containment pants may have a pocket with a positioning key having a positioning key width and a positioning key depth. Likewise, an absorbent insert may have an absorbent insert and/or an absorbent core positioning notch that has a width and depth adapted to engage and partially enclose a coordinate positioning key. For example, referring now to Figure 58, an example retention system 568 is illustrated representatively. Retention system 568 includes a containment pant 570 and an absorbent insert 572. The containment pant 570 also includes a pocket 574 having a positioning key 576. The absorbent insert 572 includes a positioning notch 578 that is adapted to engage and partially enveloping coordinate positioning key 576. In various embodiments, the depth of the absorbent core positioning notch can be 75 to 125%, 90 to 115%, or about 110% of the pocket depth. This system 568 is believed to promote the correct positioning of the absorbent insert 572 within the pocket 574 of the containment pants 570 prior to donning. Furthermore, it is believed that the interaction of the positioning notch 578 and the positioning key 576 helps maintain the relative positioning of the absorbent insert of the pouch during use.
[261] In some applications, the containment system of the present invention provides a first containment pants, a second containment pants, and an absorbent insert. In these applications, the first containment pants have a first configuration and the second containment pants have a second configuration different from the first configuration. For example, in some applications, the first containment pants may have a structure designed for men's use as illustrated in Figure 1 while the second containment pants may have a structure designed for women's use as illustrated in Figure 6. The differences between the the first containment pants and the second containment pants may include the frame shape, the frame design, the strip construction, the bag construction, the bag location and the like and combinations thereof. For example, in the first containment pants, the bag can be located farther forward from the containment pants for better alignment with the male anatomy. In contrast, in the second containment pants, the bag may be more centrally located for better alignment with the female anatomy.
[262] In one application, the present invention provides a method for providing a containment system that includes providing a first permanently closed containment pants such as those disclosed herein and a second permanently closed containment pants such as those disclosed herein. The first containment pants include a first fluid impermeable pouch defining a first pouch construction and a first pouch base surface. The first base surface of the pouch containing a first end section, a second end section and a center section extending between the first end section and the second end section. The first end section of the first containment pants defines a maximum width of at least 135 mm, at least 145 mm, at least 155 mm, or at least 165 mm, the center section of the first containment pants defines a minimum width of minus 110 mm, less than 100 mm, or less than 95 mm, and the second end section of the first containment pants defines a maximum width of at least 135 mm, at least 145 mm, at least 155 mm, or at least 165 mm. Similarly, the second containment pants include a second fluid-impermeable pouch that defines a second pouch construction and a second pouch base surface. At the second base surface of the pouch containing a first end section, a second end section and a center section extending between the first end section and the second end section. The first end section of the second containment pants defines a maximum width of at least 135 mm, at least 145 mm, at least 155 mm, or at least 165 mm, the center section of the second containment pants defines a minimum width of minus 110 mm, less than 100 mm, or less than 95 mm, and the second end section of the second containment pants defines a maximum width of at least 135 mm, at least 145 mm, at least 155 mm, or at least 165 mm . In some applications, the first base surface of the pouch defines a first base surface length and the second base surface of the pouch defines a second base surface length that is 95% to 105% of the first base surface length. Thus, the first base surface of the pouch is of equal or similar dimensions at the same or similar positions as occurs in the second base surface of the pouch. However, while the first bag construction can be any suitable construction, including those disclosed in this document, and the second bag construction can be any suitable construction, including those disclosed in this document, the first bag construction may be different from the second bag construction. handbag. For example, in some applications the first pouch construction may be as illustrated in Figures 28-31 and the second pouch construction may be as illustrated in Figures 17-22.
[263] In some applications, the first permanently closed containment pants include a first containment strap containing a first transition that is joined between the first fluid-impermeable pouch and the front waist region. The first transition defines a length in the longitudinal direction. The first permanently closed containment pants include a second transition joined between the first fluid impermeable pouch and the back waist region. The second transition defines a length in the longitudinal direction. In these applications, the second permanently closed containment pants include a second containment strip containing a first transition that is joined between the second fluid impermeable pouch and the front waist region. The first transition defines a length in the longitudinal direction. The second permanently closed containment pants include a second transition that is joined between the second fluid impermeable pouch and the back waist region. In some applications, the length of the first transition of the first strip is greater than the length of the first transition of the second strip. In some applications, the length of the second transition of the first strip is less than the length of the second transition of the second strip.
[264] However, despite the differences between the containment pants between the first containment pants and the second containment pants, both can be constructed with pouches containing pouch base surfaces of similar length, width, and/or shape. Therefore, a single absorbent insert can be provided for use with both the first containment pants and the second containment pants. For example, in some applications, the present invention provides a method for providing a containment system. The method includes providing a first permanently closed containment pants like those described herein and providing a second permanently closed containment pants like those described herein. The method also includes providing a discrete absorbent insert that is sized and shaped to work in conjunction with both the first containment pants and the second containment pants. In some applications, the first containment pants may include a first pocket and the second containment pants may include a second pocket having a similar size and shape as the first pocket. However, despite the similarities, the first containment pants and the second containment pants may have different frame constructions, bag construction, strap construction, bag positioning, or other differences or combinations thereof.
[265] In some applications, the containment system of the present invention includes one or more absorbent inserts having a designated body side and a designated garment side. In other words, in some applications, absorbent inserts are designed to be oriented with a specific side facing the user to maximize the performance of the absorbent insert. For example, in some applications, the absorbent insert may have a single entry layer located on one side of the absorbent core. In these applications, it is desirable for the user to orient the absorbent insert within the pouch so that the entry layer faces the user. In the present orientation, the absorbent insert is positioned to rapidly receive fluid through the entry layer and retain the liquid in the absorbent core.
[266] To help users correctly orient the absorbent insert in the pouch, several references can be provided. In some applications, the absorbent insert may include a color in one or more of the components. In some applications, the absorbent insert may include an entry layer that has a color that is distinguishable from the other components of the absorbent insert. For example, in some applications, the input layer might have a blue color and the surrounding components might have a white color. In these applications, the user can be instructed to identify the blue input layer and position it facing the body. In this way, the user has a simple visual reference to quickly, repeatedly and properly orient the absorbent insert within the pouch.
[267] In some applications, absorbent inserts may be supplied folded into individual packages. In these applications, the absorbent inserts can be bent to define a bending direction. Absorbent inserts can be folded twice, thrice or similar times. In these applications, the absorbent inserts can be bent so that the resulting curl is directed to the side of the absorbent insert that is desirably oriented towards the user. For example, the absorbent insert can have a single entry layer located on one side of the absorbent core. The absorbent insert can be folded so that the absorbent insert is concave towards the side with the input layer. In use, this concave formation fits naturally into the concave formation of the pouches within the containment pants. As such, the user is given referrals to position the absorbent insert within the pouch with the entry layer oriented towards the user's body.
[268] Although the invention has been described in detail with regard to its specific configurations, those skilled in the art will understand that, after having obtained an understanding of the above, they will immediately be able to devise changes, variations and equivalents of said configurations. Therefore, the scope of the present invention should be evaluated in accordance with the appended claims and their equivalents. In addition, all combinations and/or sub-combinations of the disclosed configurations, ranges, examples and alternatives are also included.

权利要求:
Claims (15)
[0001]
1. Discrete absorbent insert (230, 244, 460, 490, 520) comprising, a first sheet (232, 470, 500, 530), a second sheet (234, 472, 502, 532) in frontal relationship with the first sheet, an absorbent core (236, 248, 474, 504, 534) positioned between the first sheet and the second sheet, wherein the absorbent core defines a core perimeter (238, 476, 506, 536) that includes a first notch absorbent core positioning device (464, 494, 524), characterized in that the first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal (240, 478, 508, 538) , the perimeter seal defines an absorbent insert perimeter (239, 480, 510, 540) which includes a first absorbent insert positioning notch (462, 492, 522), the first absorbent core positioning notch has a depth. 30 to 60 mm, the first absorbent insert positioning notch has a depth of 30 to 60 mm, and the first absorbent insert positioning notch is aligned with the first absorbent core positioning notch.
[0002]
2. Discrete absorbent insert according to claim 1, characterized in that the depth of the first absorbent insert positioning notch is 75 to 100% of the depth of the first absorbent core positioning notch.
[0003]
A discrete absorbent insert according to claim 1, characterized in that the first absorbent core positioning notch has a midpoint width of 10 to 25 mm and the first absorbent insert positioning notch has a spot width medium from 1 to 15 mm.
[0004]
4. Discrete absorbent insert according to claim 1, characterized in that the perimeter seal has a greater width within the absorbent core positioning notch compared to the remainder of the perimeter of the absorbent core.
[0005]
5. Discrete absorbent insert according to claim 1, characterized in that the absorbent core further comprises a 40% superabsorbent absorption layer situated between the first sheet and the absorbent core and with a basis weight of 85 g/m2. and an absorbent capacity of 600 g.
[0006]
6. Discrete absorbent insert according to claim 1, characterized in that the first sheet and second sheet are fluid permeable, and/or wherein the discrete absorbent insert is devoid of a fluid impermeable layer.
[0007]
7. Discrete absorbent insert according to claim 1, characterized in that the absorbent core also defines a longitudinal direction (48), a first end section (270, 290), a second end section (272, 292), and a center section (274, 294); the center section being positioned between the first end section and the second end section, and the first end section defines a maximum width (276, 296) of 135 mm, the center section defines a maximum width (284, 304) of not less than 90 mm, and the second end section defines a maximum width (280, 300) of 135 mm.
[0008]
8. Discrete absorbent insert according to claim 7, characterized in that the absorbent core also defines a length of absorbent core (289) as measured in the longitudinal direction and in which length of the absorbent core is from 340 to 450 mm, at that the first absorbent core positioning notch is located in the first end section and the core perimeter includes a second absorbent core positioning notch (468, 498, 528) located in the second end section, wherein the second absorbent core positioning notch. absorbent core has a depth of 30 to 60 mm, the second absorbent insert positioning notch (466, 496, 526) has a depth of 30 to 60 mm, and the second absorbent insert positioning notch being aligned with the second notch. of absorbent core positioning.
[0009]
9. Discrete absorbent insert according to claim 1, characterized in that the absorbent core includes 40% superabsorbent, and an absorption capacity of 600 g, wherein the discrete absorbent insert further comprises an absorption layer positioned between the first sheet and the absorbent core and having a basis weight of 85 g/m 2 , and wherein the first absorbent insert positioning notch has a depth of 75 to 100% of the depth of the first absorbent core positioning notch.
[0010]
A discrete absorbent insert according to claim 9, characterized in that the first absorbent core positioning notch is located in the first end section and the core perimeter includes a second absorbent core positioning notch located in the second end section , wherein the first absorbent insert positioning notch is located in the first end section and the perimeter of the absorbent insert includes a second absorbent insert positioning notch located in the second end section, the second absorbent core positioning notch has a depth of 30 to 60 mm, the second absorbent insert positioning notch has a depth of 30 to 60 mm, and the second absorbent insert positioning notch is aligned with the second absorbent core positioning notch.
[0011]
11. Discrete absorbent insert according to claim 9, characterized in that the first absorbent insert positioning notch is a closed notch and comprises a line of weakness, wherein the first absorbent core positioning notch has a width of mid-point 10 to 25 mm and is aligned with the first positioning notch of the absorbent insert.
[0012]
12. Discrete absorbent insert according to claim 10, characterized in that the first absorbent core positioning notch and the second absorbent core positioning notch have a midpoint width of 10 to 25 mm and are centered on a transverse direction.
[0013]
13. Discrete absorbent insert according to claim 1, characterized in that the first and second sheets are fluid permeable, and wherein, the absorbent core positioned between the first sheet and the second sheet defines a longitudinal direction, a first end section, a second end section and a center section, the center section being positioned between the first end section and the second end section, the absorbent core defining the core perimeter including the first absorbent core positioning notch and the second notch absorbent core positioning notch, wherein the first absorbent core positioning notch is located in the first end section and the second absorbent core positioning notch is located in the second end section, said absorbent core comprising 40% superabsorbent, and a capacity of 600 g absorption, the discrete absorbent insert further comprising an absorption layer positioned between the first sheet and the absorbent core and having a basis weight of 85 g/m2, wherein the first sheet and second sheet extend beyond the core perimeter and are joined to form the perimeter seal, the perimeter seal defines the perimeter of the absorbent insert including a first absorbent insert positioning notch and a second absorbent insert positioning notch, wherein the first absorbent core positioning notch and the second absorbent core positioning notch have a depth of 30 to 60 mm and a midpoint width of 10 to 25 mm, the first absorbent insert positioning notch and the second absorbent insert positioning notch have a depth that is 75 to 100% of the depth of the first absorbent core positioning notch and the depth of the second absorbent core positioning notch, respectively, the first absorbent insert positioning notch is aligned. o with the first absorbent core positioning notch, the second absorbent insert positioning notch is aligned with the second absorbent core positioning notch, and the discrete absorbent insert is devoid of a fluid impermeable layer.
[0014]
14. Discrete absorbent insert according to claim 13, characterized in that the first end section defines a maximum width of 135 mm, the center section defines a maximum width of less than 90 mm, the second end section defines a width maximum of 135 mm, and the absorbent core also defines an absorbent core length of 340-450 mm, measured in the longitudinal direction.
[0015]
15. Discrete absorbent insert according to any one of claims 1, 9, 10 or 13, characterized in that the first sheet and second sheet extend a uniform amount beyond the full core perimeter and the perimeter seal has a uniform width around the entire perimeter of the absorbent core.

类似技术:

---

公开号 | 公开日 | 专利标题

---

BR112015000522B1|2021-07-13|DISCRETE ABSORBENT INSERT

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BR112015000458B1|2021-07-27|CONTAINMENT PANTS, AND, METHOD FOR PROVIDING A CONTAINMENT SYSTEM

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BR112015000451B1|2021-08-10|CONTAINMENT PANTS

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BR112015000477B1|2021-06-29|METHOD FOR PROVIDING A CONTAINMENT SYSTEM

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BR112015000461B1|2021-08-17|ABSORBENT INSERT

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BR112015000595B1|2021-08-17|ABSORBENT INSERT AND CONTAINMENT SYSTEM

---

BR112015000543B1|2021-08-10|CONTAINMENT PANTS

---

BR112015000598B1|2021-12-21|PERMANENTLY CLOSED CONTAINMENT PANTS

---

BR112015000598A2|2019-12-31|containment pants

同族专利:

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公开号 | 公开日

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WO2014009903A2|2014-01-16|

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EP2872092A2|2015-05-20|

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EP2872092A4|2016-03-16|

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WO2014009903A3|2014-04-17|

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KR102181754B1|2020-11-24|

---

MX2015000313A|2015-04-10|

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MX342400B|2016-09-27|

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BR112015000522A2|2017-06-27|

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US20140018761A1|2014-01-16|

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AU2013288296B2|2017-06-01|

---

RU2586208C1|2016-06-10|

---

AU2013288296A1|2015-02-05|

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US9192524B2|2015-11-24|

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KR20150048718A|2015-05-07|

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CN104619295B|2018-02-16|

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CN104619295A|2015-05-13|

---

EP2872092B1|2017-11-01|

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法律状态:
2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-11-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-02-23| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|

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2021-06-01| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-07-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/07/2013, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US13/548.012|2012-07-12|

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US13/548,012|US9011398B2|2012-07-12|2012-07-12|Containment system|

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US13/678.270|2012-11-15|

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US13/678,270|US9192524B2|2012-07-12|2012-11-15|Absorbent insert with positioning notch|

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PCT/IB2013/055674|WO2014009903A2|2012-07-12|2013-07-10|Absorbent insert with positioning notch|

---