ABSORBENT INSERT AND CONTAINMENT SYSTEM

专利摘要:
absorbent insert and containment system. a discrete absorbent insert for use in a containment system includes an absorbent core positioned between a first sheet and a second sheet. the first sheet and second sheet extend beyond the core and are joined to form a seal. the absorbent core is at least 40% superabsorbent. the absorbent insert has an input layer of at least 100 gsm between the first sheet and the absorbent core. the first sheet and the second sheet are fluid permeable, strands of yarn joined after extrusion of synthetic polymer filaments. the absorbent insert has an absorbent capacity of at least 600 g. the discrete absorbent insert may contain an entry rate for a first emission of urine through the first sheet containing a first value and an entry rate for a first emission of urine through the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%.
公开号:BR112015000595B1
申请号:R112015000595-0
申请日:2013-07-10
公开日:2021-08-17
发明作者:Angela Ann Johnston；Marcille Faye Ruman；Connie May Mcmorrow；Katherine Carol Shaw；Alissa Frances Stein；Kyle Mark Barriger；Robert Lee Popp；Paula Kathleen De Bruin
申请人:Kimberly-Clark Worldwide, Inc；
IPC主号:

专利说明:

ORDER RELATED DATA
[1] This patent application is a continuation in part of patent application nr. 13/548,000 filed on July 12, 2012. The entire patent application no. 13/548,000 is incorporated herein by reference. 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 emitted urine. SUMMARY OF THE INVENTION
[3] In one aspect, the present invention provides a discrete absorbent insert. The absorbent insert includes 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 and the first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal. The absorbent insert has a dry thickness of at least 1 mm, a minimum width of less than 120 mm, a maximum width of at least 170 mm, an absorbent capacity of at least 600 g, and a length of 375 mm to 475 mm. The discrete absorbent insert may contain an entry rate for a first emission of urine through the first sheet containing a first value and an entry rate for a first emission of urine through the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%. In other applications of this aspect, the absorbent insert has an entry rate for a second urine output through the first sheet containing a first value and an input rate for a second urine output through the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%. In some applications of this aspect, the absorbent insert has an entry rate for a third urine output through the first sheet containing a first value and an input rate for a third urine output from the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%.
[4] In some applications of this aspect, the discrete absorbent insert includes a first input material positioned between the first sheet and the absorbent core. In some applications, the absorbent insert includes a second input material positioned between the absorbent core and the second sheet.
[5] In some applications of this aspect, 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 first end section, the second end section, and the center section define equal lengths in the longitudinal direction. The first end section defines a maximum width of at least 120 mm, the center section defines a maximum width of less than 100 mm, and the second end section defines a maximum width of at least 120 mm.
[6] In some applications of this aspect, the discrete absorbent insert is folded and packaged individually. In some applications, the discrete absorbent insert is folded a first time so that a first portion of the first sheet is in frontal relationship with a second portion of the first sheet and is folded a second time so that a third portion of the first sheet is in a front relationship with a first portion of the second sheet.
[7] In some applications of this aspect, the first sheet is joined to the second sheet with the perimeter seal with adhesive and the perimeter seal has a width of at least 20 mm. In some applications, the first sheet is joined to the second sheet in the perimeter seal with an ultrasonic bond and the perimeter seal is at least 10 mm wide.
[8] In another aspect, the present invention provides a discrete absorbent insert containing a first sheet, a second sheet in front 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 and the first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal. The absorbent insert also includes an entry layer positioned between the first sheet and the absorbent core. The first sheet and second sheet are fluid permeable, strands of yarn joined after extrusion composed of synthetic polymer filaments. The absorbent insert includes an absorbent capacity of at least 600 g and the discrete absorbent insert may contain an input rate for a first urine output through the first sheet having a first value and an input rate for a first urine output through the second sheet containing a second value, where the difference between the first and second value is less than 20%. In other applications of this aspect, the absorbent insert has an entry rate for a second urine output through the first sheet containing a first value and an input rate for a second urine output through the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%. In some applications of this aspect, the absorbent insert has an entry rate for a third emission of urine through the first sheet containing a first value and an entry rate for a third emission of urine through the second sheet containing a second value, wherein the difference between the first and second value is less than 20%.
[9] In some applications of this aspect, the absorbent core is at least 40% superabsorbent. In some applications, the absorbent core has at least 15 grams of "fluff" cellulose and at least 15 grams of superabsorbent. In some applications, the input layer has a basis weight of at least 85 gsm.
[10] In some applications of this aspect, the discrete absorbent insert is folded a first time so that a first portion of the first sheet is in front relationship with a second portion of the first sheet and is folded a second time so that a third portion of the first sheet is in front relationship with a first portion of the second sheet.
[11] In some applications of this aspect, the discrete absorbent insert is devoid of fasteners and is devoid of containment tabs.
[12] In some applications of this aspect, the absorbent core defines a length of the absorbent core as measured in the 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 the center section define equal lengths in the longitudinal direction and together define the overall length of the absorbent core, and wherein 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.
[13] 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 and the first sheet and second sheet extend beyond the core perimeter and are joined to form a perimeter seal. The absorbent core is at least 40% superabsorbent and an entry layer positioned between the first sheet and the absorbent core. The input layer has a basis weight of at least 100 gsm. The first sheet and second sheet are fluid permeable, strands of yarn joined after extrusion composed of synthetic polymer filaments. the discrete absorbent insert may be devoid of a fluid impervious layer. 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.
[14] In some applications of this aspect, the discrete absorbent insert is folded a first time so that a first portion of the first sheet is in front relationship with a second portion of the first sheet and is folded a second time so that a third portion of the first sheet is in front relationship with a first portion of the second sheet. The discreet double-folded absorbent insert is individually positioned within a package.
[15] In some applications of this aspect, the absorbent core has at least 17 grams of "fluff" cellulose and at least 17 grams of superabsorbent.
[16] In some applications of this aspect, the absorbent core defines a length of the absorbent core as measured in the longitudinal direction. The first end section defines a first end section length that is 25 to 30% of the length of the absorbent core. The second end section defines a second end section length that is 25 to 30% of the length of the absorbent core. The center section defines a center section length that is 40 to 50% of the length of the absorbent core. The first end section and the second end section have a variable width at different points along the longitudinal direction, and the center section has a consistent width at different points along the longitudinal direction. BRIEF DESCRIPTION OF THE DRAWINGS
[17] Figure 1 representatively illustrates a front perspective view of a containment pants of the present invention.
[18] Figures 2 and 3 representatively illustrate a side perspective view of the containment pant of Fig. 1 with the chassis partially cut to illustrate the internal structure.
[19] Figures 4 and 5 representatively illustrate a top view of the component parts of the outer casing of the containment pants of Fig. 1.
[20] Figure 6 representatively illustrates a front perspective view of a containment pants of the present invention.
[21] Figures 7 and 8 representatively illustrate a side perspective view of the containment pant of Fig. 6 with the chassis 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 casing of the containment pants of Fig. 6.
[23] Figure 11 representatively illustrates a top view of component parts of an example of a first pouch and strap of the present invention.
[24] Figure 12 representatively illustrates a fully constructed bag made from the component parts of Fig. 11.
[25] Figure 13 representatively illustrates a fully constructed belt made of the component parts of Fig. 11.
[26] Figure 14 representatively illustrates a cross-sectional view of the strap of Fig. 13 taken along line A-A.
[27] Figures 15 and 16 representatively illustrate a side perspective view of the fully constructed strap of Fig. 13 incorporated into a chassis that is partially cut away to illustrate the internal structure.
[28] Figure 17 representatively illustrates a top view of component parts of an example of a second pouch and strap of the present invention.
[29] Figure 18 representatively illustrates a fully constructed pouch made from the component parts of Fig. 17.
[30] Figure 19 representatively illustrates a fully constructed belt made of the component parts of Fig. 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 a side perspective view of the fully constructed brace of Fig. 19 incorporated into a chassis that is partially cut away to illustrate the internal structure.
[33] Figure 23 representatively illustrates a top view of component parts of an example of a third pouch and strap of the present invention.
[34] Figure 24 representatively illustrates a fully constructed pouch made from the component parts of Fig. 23.
[35] Figure 25 representatively illustrates a fully constructed belt made of the component parts of Fig. 23.
[36] Figures 26 and 27 representatively illustrate a side perspective view of the fully constructed brace of Fig. 25 incorporated into a chassis that is partially cut away to illustrate the internal structure.
[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 pouch made from the component parts of Fig. 28.
[39] Figures 30 and 31 representatively illustrate a side perspective view of the fully constructed bag of Fig. 29 incorporated into a chassis that is partially cut away to illustrate the internal structure.
[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. DETAILED DESCRIPTION OF THE DRAWINGS
[49] 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.
[50] An example of the containment pants of the present invention is representatively illustrated in Figs. 1 to 3. Specifically, Fig. 1 shows a side perspective view of a containment pants 10, which has a chassis 12 and a strap 14 joined to the chassis 12. The chassis 12 defines a waist opening 16 and a pair of leg openings 18. Chassis 12 also defines a front waist region 20, a rear waist region 22, and a crotch region 28. The crotch region 28 lies between the front waist region 20 and the rear waist region 22. The containment pants 10 of Fig. 1 is shown in Figs. 2 and 3 with chassis 12 partially cut away to better illustrate the internal elements. Figure 2 representatively illustrates a side perspective view with the chassis 12 partially cut away to better illustrate the positioning and construction of the strap 14 on the back of the containment pants 10. Figure 3 representatively illustrates a perspective view side with the chassis 12 partially cut away to better illustrate the construction and positioning of the strap 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 Fig. 1. The longitudinal direction 48 extends from the front waist region 20 to the crotch region 28 and the back waist region 22. The transverse direction 50 is perpendicular to the longitudinal direction 48. The chassis 12 includes an outer casing 36 and may further include a waist band, a leg band, or both. Referring again to Fig. 1, chassis 12 is illustrated with a waist elastic 38 attached to outer casing 36 and surrounding waist opening 16 and leg elastics 40 secured to outer casing 36 and surrounding each leg opening 18.
[51] Another example of the containment pants of the present invention is illustrated representatively in Figs. 6 to 8. Specifically, Fig. 6 shows a side perspective view of a containment pants 11, which has a chassis 12 and a strap 14 joined to the chassis 12. The chassis 12 defines a waist opening 16 and a pair of leg openings 18. Chassis 12 also defines a front waist region 20, a rear waist region 22, and a crotch region 28. The crotch region 28 lies between the front waist region 20 and the rear waist region 22. The containment pants 11 of Fig. 6 is shown in Figs. 7 and 8 with chassis 12 partially cut away to better illustrate the internal elements. Figure 7 representatively illustrates a side perspective view with the chassis 12 partially cut away to better illustrate the positioning and construction of the strap 14 on the back of the containment pants 11. Figure 8 representatively illustrates a perspective view side with the chassis 12 partially cut away to better illustrate the construction and positioning of the strap 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 Fig. 6 Chassis 12 includes an outer casing 37 and may further include a waist band 38 or leg bands 40 or both. Referring again to Fig. 6, chassis 12 is illustrated with a waist elastic 38 attached to outer casing 37 and surrounding waist opening 16 and leg elastics 40 secured to outer casing 37 and surrounding each leg opening 18.
[52] In many applications, the outer layer can be manufactured 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, Fig. 4 is a top view of the component parts of the outer shell 36 of Figs. 1 to 3. The component parts include a front component 21 and a rear component 23. In another example, Fig. 9 is a top view of the component parts of the outer casing 37 of Figs. 6 to 8. The component parts include a front component 24 and a rear component 31.
[53] In many applications, the component parts of the outer layer can be joined in any suitable way. For example, the front member 21 may be joined to the rear member 23 at a seam in the crotch region 29, as illustrated in Fig. 5. Figure 5 is a top view of the component parts of the outer shell 36 partially joined. In another example, the front member 24 may be joined to the rear member 31 at a seam in the crotch region 29, as illustrated in Fig. 10. Figure 10 is a top view of the component parts of the outer shell 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, with reference to Fig. 5, the side edges 25 of the back member 23 can be joined with the side edges 27 of the front member 21 at the side seams 26 to define the leg openings 18 and the waist opening 16 of the containment pants. 10, as illustrated in Fig. 1. Likewise, the side edges 25 of the back member 31 of Fig. 10 may be joined with the side edges 27 of the front member 24 at the side seams 26 to define the leg openings 18 and the waist opening 16 of the pantyhose. containment 11, as illustrated in Fig. 6.
[54] 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.
[55] 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 casing 36 illustrated in Fig. 1 is shaped and styled suitable for men. In comparison, the outer shell 37 illustrated in Fig. 6 is shaped and styled suitable for women. In some embodiments, the front members 21 may include protrusions 98 to partially define the leg openings, as illustrated in Figs. 4 and 5. In addition, the rear member 23 may include protrusions 98 to partially define the leg openings, as illustrated in Figs. 4 and 5. In various embodiments, the front member may have an area that is similar in size to the area of the rear member, as illustrated in Figs. 9 and 10. In other embodiments, the front member may have an area that is significantly smaller than the area of the rear member, as illustrated in Figs. 4 and 5.
[56] In many applications, the elastic waistband can surround at least 50, 60, 70, 80, or 90% of its waist opening. In some embodiments, the elastic waistband 38 may encircle 100% of the waist opening 16 as representatively illustrated in Figs. 1 and 6. In various applications, the leg brace may surround at least 50, 60, 70, 80 or 90% of one or both leg openings. In some embodiments, the elastic in leg 40 may surround 100% of both leg openings 18 as representatively illustrated in Figs. 1 and 6.
[57] In various applications, the elastic waistband and/or the leg elastic may 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 Figs. 2 and 7, the waist elastics 38 are supported as they project outwardly from the outer edge 46 of the respective outer shells 36 and 37. Likewise, the leg elastics 40 are also supported as they project outwardly from the outer edge 46 of the respective outer shells 36 and 37.
[58] 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, Figs. 1 to 3 and Figs. 6 to 8 representatively illustrate the waist elastic 38 joined with respective outer wraps 36 and 37 at an elastic waist seam 39 and the leg elastics 40 joined with respective outer wraps 36 and 37 at the leg elastic seams 41. In some applications, the waist band and/or leg band can be sewn to the outer layer using a cover stitch.
[59] Within chassis 12 is strap 14, which includes a fluid impermeable base sheet 30 and at least one retaining tab 32 joined to base sheet 30 to create a fluid impermeable pouch 34. The fluid impermeable pouch 34 is adapted to support a removable absorbent insert and contain fluid until it can be carried into the absorbent insert. The fluid impermeable pouch 34 is drapeable and is intended to conform and assemble against the wearer's body.
[60] In some embodiments, strap 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.
[61] Again with reference to Figs. 2 and 7, strap 14 is shown with a second transition 42 joined to the back waist region 22 of the containment pants. Likewise, in Figs. 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.
[62] For example, Fig. 3 illustrates the first transition 44 as an integral part of the housing components and Fig. 2 illustrates the second transition 42 as a separate piece of material. In this embodiment, the first transition 44 is made up of various parts of the housing 36. As seen in Figs. 4 and 5, the first transition 44 is made up of a first part 44A, a second part 44B, and a third part 44C. The first part 44A and the second part 44B are integral parts of the rear housing member 23, while the third part 44C is an integral part of the housing front member 21. When the casing is constructed, the first part 44A and second part 44B are joined with the third part 44C as illustrated by the arrows of Fig. 5. The fully constructed first transition 44 is then folded along the fold lines 33 of Fig. 5 to define the first transition 44 as illustrated in Fig. 3.
[63] In another example, Fig. 8 illustrates the first transition 44 as an integral part of the housing components and Fig. 7 illustrates the second transition 42 as a discrete piece of material. In this embodiment, the first transition 44 is made of a single part of the housing 37. As seen in Figs. 9 and 10, the first transition 44 is made of a front component part 24 of the housing. When the shell is constructed, first transition 44 is then folded along fold line 33 of Fig. 10 to define first transition 44 as illustrated in Fig. 8.
[64] 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. Now, with reference to Fig. 11, a top view of component parts of an example pouch and strap is representatively illustrated. A fully constructed pouch 68 made of the component parts of Fig. 11 is representatively shown in Fig. 12. A fully constructed strap made of the component parts of Fig. 11 is representatively shown in Fig. 13. A view at A cross-section of the strap 52 of Fig. 13 taken along line AA is representatively illustrated in Fig. 14.
[65] Now, with reference to Fig. 11, the component parts include a retaining tab 54, a base sheet 56, a first transition 58, and a second transition 60. The retaining tab 54 defines a proximal portion 62 and a distal portion 64. The proximal portion 62 of the retainer tab 54 is joined to the base sheet 56 to create a retainer tab seal 66 and define a fluid impermeable pouch 68, as illustrated in Fig. 12. In some applications, containment tabs may further include one or more elastics. For example, as illustrated in Fig. 14, the distal portion 64 of the retaining tab 54 further includes a retaining tab elastic 70.
[66] In various embodiments, the fluid impermeable pouch 68 of Fig. 12 can be incorporated into any suitable belt and/or chassis using built-in transitions, discrete transitions or combinations thereof. In various embodiments, the fluid impermeable pouch 68 of Fig. 12 may be incorporated into any suitable strap and/or chassis using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In Fig. 13 the fluid impermeable pouch 68 of Fig. 12 is joined to the first transition 58 and the second transition 60 to define the strap 52. Now, referring to Figs. 11-13, first transition 58 defines a first edge 82 and a second edge 84. Likewise, second transition 60 defines a first edge 90 and a second edge 92. Base sheet 56 defines a first edge 86 and a second edge 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 join 74.
[67] In various embodiments, the strap 52 of Fig. 13 can be combined with any suitable chassis to form a containment pants. In various embodiments, the strap 52 can be joined to a chassis such that the first transition is located in the front waist region or the rear waist region of the chassis and the second transition is located in the opposite region of the chassis. For example, now referring to Figs. 15 and 16, an example of a containment pants 53 having a chassis 51 and strap 52 of Fig. 13 is illustrated representatively. Figure 15 is a side perspective view of the restraint pants 53 with the chassis 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 chassis. 51 at a back seam of strap 43. Figure 16 is a side perspective view of the containment pants 53 with the chassis 51 partially cut away to illustrate the attachment of the strap 52 to the front waist region 20. Specifically, the first transition 58 is joined to the front waist region 20 of chassis 51 at a front seam of strap 45.
[68] 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, with reference to Fig. 17, a top view of the component parts of another example pouch and strap is representatively illustrated. A fully constructed pouch 118 made from the component parts of Fig. 17 is representatively shown in Fig. 18. A fully constructed strap 102 made from the component parts of Fig. 17 is representatively shown in Fig. 19. A view in cross-section the strap 102 of Fig. 19 taken along line BB is illustrated representatively in Fig. 20.
[69] The component parts include a first side retaining tab 104, a second side retaining tab 105, a base sheet 106, a first transition 108, and a second transition 110. side retainer 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. Likewise, 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 final retaining tab 148, as illustrated in Fig. 18. Likewise, the second edge 138 of the base sheet 106 is folded along a second fold line 146 to define a second final retaining tab 150, as illustrated in Fig. 18. The portion of the base sheet 106 proximate at first The fold line 144 is joined to the second edge 134 of the first transition 108 to define a first seam 122, as illustrated in Fig. 19. Likewise, the portion of the base sheet 106 near the second fold line 146 is joined to the first edge 140 of second transition 110 to define a second seam 124, as illustrated in Fig. 19.
[70] In many applications, lateral containment tabs can be curved cut or straight cut. For example, the first side retaining tab 104 and the second side retaining tab 105 of Fig. 17 are illustrated as having a curved cross-section. Likewise, the first side retaining tab 330 and the second side retaining tab 332 of Fig. 28 also illustrate a curved section. In contrast, retaining tab 54 in Fig. 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.
[71] Proximal portions 112 of each side retaining tab 104 and 105 are joined to base sheet 106 and/or first end retaining tab 148 and/or second end retaining tab 150 to form retaining tab seals 116 and to partially define a fluid impermeable pouch 118, as illustrated in Fig. 18. In various applications, one or both of the end flaps may 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 embodiments, both end tabs can be positioned between the two retaining tabs and the base sheet, as shown in Fig. 18. In other applications (not shown), both containment tabs can be positioned between both end flaps and the base sheet.
[72] In various embodiments, the end flap may also include an end flap seal 117. End tab seal 117 may adhere first side retaining tab 104 and/or second side retaining tab 105 to first end retaining tab 148 and/or second end retaining tab 150 and/or base sheet 106 to defining the fluid impermeable pouch 118 together with the seal 116 of the retaining tab. In various embodiments, the overlap region 119 between the side retaining tabs 104 and 105 and the end retaining tabs 148 and 150 may be joined in any suitable manner to define a completely fluid-impermeable pouch 118. For example, in some embodiments, the side retaining tabs 104 and 105 can be joined to the final retaining tabs 148 and 150 at the overlap regions 119 by gluing, stitching, ultrasonic gluing, thermal gluing, pressure gluing and the like, and the like. combinations. For example, the distal portions 114 of the first side retaining tab 104 and the second side retaining tab 105 may be fully joined with the final retaining tabs 148 and 150 at the overlapping regions 119 to ensure that the pouch 118 is completely impermeable to fluids.
[73] 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 side retaining tabs 104 and 105 may further include the retaining tab elastic 120, as illustrated in Fig. 20.
[74] 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 retaining tab 150 of Fig. 18 is illustrated with an insertion stop 147. In this embodiment, the insertion stop 147 is illustrated as an ultrasonic bond between the second end retaining tab 150 and the sheet. base 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 embodiments, the insert stop 147 may be short on one or both of the retaining tab seals 116 and thus allow fluid within the second final retaining bag 150 to flow around the insert stop 147 and into 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.
[75] In various embodiments, the fluid impermeable bag 118 of Fig. 18 can be incorporated into any suitable belt and/or chassis using built-in transitions, discrete transitions or combinations thereof. In various embodiments, the fluid impermeable pouch 118 of Fig. 18 may be incorporated into any suitable strap and/or chassis using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In the illustrated embodiment, the fluid impermeable pouch 118 of Fig. 18 is joined to the first transition 108 and the second transition 110 to define the strap 102 of Fig. 19.
[76] In various embodiments, the strap 102 of Fig. 19 can be combined with any suitable chassis to form a containment pants. In various embodiments, strap 102 can be joined to a chassis such that the first transition is located in the front waist region or the rear waist region of the chassis and the second transition is located in the opposite region of the chassis. For example, now referring to Figs. 21 and 22, an exemplary containment pants 103 having a chassis 101 and strap 102 is illustrated illustratively. Figure 21 is a side perspective view of the containment pants 103 with the chassis 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 chassis. 101 on a back seam of strap 43. Figure 22 is a side perspective view of the containment pants 103 with the chassis 101 partially cut away to illustrate the attachment of the strap 102 to the front region of the waist 20. Specifically, the first transition 108 is joined to the front waist region 20 of chassis 101 at a front seam of strap 45.
[77] In another application, a strip and fluid-tight bag can be constructed with a base sheet, a first transition, and a second transition. For example, with reference to Fig. 23, a top view of component parts of another example pouch and strap is representatively illustrated. A fully constructed pouch 206 made from the component parts of Fig. 23 is representatively shown in Fig. 24. A fully constructed strap 152 made from the component parts of Fig. 23 is representatively shown in Fig. 25. The parts components 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 a facing surface for the absorber 168 and a surface facing the chassis 170.
[78] Now, with reference to Figs. 23 and 24, first arm 160 and second arm 162 are bent toward the absorbent facing surface 168 of base sheet 154 in the direction indicated by arrows 172. A distal portion 174 of first arm 160 is joined to a distal portion 176 of the second arm 162 to define a first binding seam 178. Likewise, the third arm 164 and the fourth arm 166 are bent toward the absorbent facing surface 168 of the base sheet 154 in the direction indicated by arrows 180. The portion The 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 seam 186. An inner portion 188 of the first arm 160 is joined to a first portion 190 of the base sheet 154 to define a portion of a first containment seam 194. Likewise, an inner portion 192 of the second arm 162 is joined to the first portion 190 of the base sheet 154 to define the remainder of the first containment seam 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 seam 200. Likewise, an inner portion 202 of the fourth arm 166 is joined to a second portion 198 of the base sheet 154 to define the remainder of the second containment seam 200.
[79] By bending 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 curve towards the absorbent facing surface 168 of the base sheet 154. by bending third arm 164 and fourth arm 166 in the direction indicated by arrows 180, side edges 204 of base sheet 154 tend to bend in the same manner to define retaining tab 205. As such, base sheet 154 adopts the shell shaped to define a fluid impermeable pouch 206 with retaining tab 205 as illustrated in Fig. 24.
[80] In various embodiments, the fluid impermeable pouch 206 of Fig. 24 can be incorporated into any suitable strap and/or chassis using built-in transitions, discrete transitions or combinations thereof. In various embodiments, the fluid impermeable pouch 206 of Fig. 24 may be incorporated into any suitable strap and/or chassis using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither. In the illustrated embodiment, fluid impermeable pouch 206 is joined to first transition 156 and second transition 158 to define strap 152 as illustrated in Fig. 25. In that embodiment, first transition 156 defines a first edge 210 and a second edge 212 and the second transition 158 define 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. , second portion 198 of base sheet 154 is joined to first edge 214 of second transition 158 to define a second seam 220. In some embodiments, fluid impermeable pouch 206 may define a distal edge and may include one or more rubber bands. . For example, as illustrated in Fig. 24, distal edge 208 of pouch 206 further includes pouch elastic 209.
[81] In various embodiments, the strap 152 of Fig. 25 can be combined with any suitable chassis to form a containment pants. In various embodiments, strap 152 can be joined to a chassis such that the first transition is located in the front waist region or the rear waist region of the chassis and the second transition is located in the opposite region of the chassis. For example, now referring to Figs. 26 and 27, an exemplary containment pants 153 having a chassis 151 and strap 152 is illustrated representatively. Figure 26 is a side perspective view of the containment pants 153 with the chassis 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 chassis. 151 at a back seam of strap 43. Figure 27 is a side perspective view of containment pants 153 with chassis 151 partially cut away to illustrate attachment of strap 152 to the front waist region 20. Specifically, first transition 156 is joined to the front waist region 20 of chassis 151 in a front seam of strap 45.
[82] 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, with reference to Fig. 28, a top view of component parts of an example pouch is representatively illustrated. A fully constructed pouch 346 made from the component parts of Fig. 28 is representatively illustrated in Fig. 29.
[83] The component parts include a first side retaining tab 330, a second side retaining tab 332, a first end retaining tab 334, a second end retaining tab 336 and a base sheet 338. The retaining tabs 330, 332, 334, and 336 each define a proximal portion 340 and a distal portion 342.
[84] Proximal portions 340 of each retainer tab 330, 332, 334 and 336 are joined to base sheet 338 to form retainer tab seals 344 and define a fluid impermeable pouch 346 as illustrated in Fig. 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 embodiments, both end tabs can be positioned between the two retaining tabs and the base sheet, as shown in Fig. 29. In other applications (not shown), both containment tabs can be positioned between both end flaps and the base sheet.
[85] In various embodiments, the overlap region 349 between the side retaining tabs 330 and 332 and the end retaining tabs 334 and 336 can be joined in any suitable manner to at least define a completely impermeable pouch. fluid 346. For example, in some embodiments, the side retaining tabs 330 and 332 can be joined to the final retaining tabs 334 and 336 at the overlap regions 349 by gluing, stitching, ultrasonic gluing, thermal gluing, gluing by pressure and the like, and their combinations. For example, the distal portions 342 of the first side retaining tab 330 and the second side retaining tab 332 may be fully joined to the end retaining tabs 334 and 336 at overlap regions 349 to ensure that the pouch 346 is completely fluid impermeable. . 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).
[86] 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 retaining tabs 330, 332, 334 and 336 may further include the elastic 345 of the retaining tab. In various embodiments, the fluid impermeable pouch 346 of Fig. 29 can be incorporated into any suitable belt and/or chassis using built-in transitions, discrete transitions or combinations thereof. In various embodiments, the fluid impermeable pouch 346 of Fig. 29 may be incorporated into any suitable strap and/or chassis using only one transition joined to the front waist region, only one transition joined to the back waist region, or neither.
[87] Now, with reference to Figs. 30 and 31, the fluid impermeable pouch 346 of Fig. 29 is joined with a first transition 350 and a second transition 352 to define a strap 348 suspended within the example of containment pants 354. In various embodiments, the pouch 346 can be joined inside any suitable chassis to form a containment pants. In various embodiments, the pocket 346 can be joined to a chassis by means of a first transition which is located in the front waist region or the rear waist region of the chassis and by means of a second transition which is located in the opposite region. of the chassis. Figure 30 is a side perspective view of the containment pants 354 with chassis 353 partially cut away to illustrate the attachment of the pocket 346 to the back waist region 22 through the second transition 352. The second transition 352 is joined to the rear waist region. 22 of chassis 353 at a rear seam of strap 43. Figure 31 is a side perspective view of containment pants 354 with chassis 353 partially cut away to illustrate the attachment of pocket 346 to the front waist region 20 through first transition 350 In the illustrated embodiment, the first transition 350 is a discrete piece of material joined with the front waist region 20 of the chassis 353, while the second transition 352 is a discrete piece of material joined with the rear waist region 22 of the chassis. chassis 353.
[88] 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. .
[89] 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, Fig. 14 representatively illustrates a cross-sectional view of the strap 52 of Fig. 13 taken along line A-A. base 56 to form retaining tab seals 66. The distal portion 64 of retaining tab 54 is folded and glued onto itself to form a channel 71. The elastic of retaining tab 70 is fitted within channel 71 and may be partially attached to retaining tab 54. In other applications, the containment tab elastic may be disposed within the channel but is not secured to the containment tab.
[90] In some applications, the containment tab elastic can be folded over the distal edge of the containment tab. For example, Fig. 20 representatively illustrates a cross-sectional view of the strap 102 of Fig. 19 taken along line B-B. In this embodiment, the proximal portion 112 of the retaining tab 104 and 105 is attached to the base sheet 106 to form retaining tab seals 116. The elastic of the retaining tab 120 is folded over the distal edge 121 of the first retaining tab. The side retaining tab 104 and the second side retaining tab 105. The retaining tab elastics 120 may be joined to the side retaining tabs 104 and 105 by any suitable method, such as stitching.
[91] 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.
[92] In many applications, containment tabs can be integrated into the base sheet. For example, the retaining tab 205 illustrated in Fig. 24 integrates with the base sheet 154. In other applications, the retaining tabs may be discrete pieces of material that are joined to the base sheet using any suitable method to define by. less partially the bag. For example, the retaining tab 54 illustrated in Fig. 12 is discrete and joined to the base sheet 56 at the retaining tab 66 seal. In some applications, one or more containment tabs may be integrated with the base sheet and one or more of the containment tabs can be discrete parts. For example, Fig. 18 illustrates first end retaining tab 148 and second end retaining tab 150 being integrated with base sheet 106, while first side retaining tab 104 and second side retaining tab 105 are discrete and joined to base sheet 106 at retaining tab seals 116.
[93] 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.
[94] 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 embodiments, the gluing pattern may include three rows of adhesive streaks, as illustrated in Fig. 13. In other applications, the ultrasonic gluing pattern may include one or more continuous gluing patterns in "wave". For example, in some embodiments, the gluing pattern may include a single continuous wave gluing pattern as illustrated in Fig. 18. In other applications, the ultrasonic gluing pattern may include one or more rows of unions in "dots". For example, in some embodiments, the bonding pattern may include two rows of sticky dots as illustrated in Fig. 24. Ultrasonic bonding 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.
[95] 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.
[96] 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 to Fig. 29, retaining tabs 330, 332, 334, and 336 are joined to base sheet 338 at tab seals 344 and define a sealing perimeter of tab 356. Location on base sheet 338, where the perimeter of the flap seal 356 will be formed is shown with a dashed line in Fig. 28 for purposes of illustration. In general, the portion of the base sheet 338 circumscribed by the sealing perimeter of the flap 356 constitutes the bottom of the pocket 358. The bottom of the pocket 358 defines a pocket bottom length 360, a pocket bottom width 362, and a bottom area. of scholarship 364.
[97] 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 applications the boundary of the absorbent insert can be a mechanical union between the containment flap and the base sheet. 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, with reference to Fig. 29, the second end retaining tab 336 is illustrated with an absorbent insertion stop 351. In this embodiment, the absorbent insertion stop 351 is illustrated as an ultrasonic glue that limits the insertion depth. of the absorbent insert into the second end retaining tab 336. In another example, the second end retaining tab 150 of Fig. 18 is illustrated with an insert stop 147 which is an ultrasonic glue between the second end retaining tab 150 and the base sheet 106.
[98] 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, again with reference to Fig. 28, the location on the base sheet 338 where the absorbent insert stopper 351 will be formed is shown with a dashed line for illustration purposes. In applications with the absorbent insert boundary 351, the pouch base surface 358 defines a pouch base surface length 360 and a pouch base surface area 365. In these embodiments, the pouch bottom length 361 is defined by the end portion 355 of the retaining flap seal 344 and the absorbent insert stop 351. Similarly, the base surface area of the pouch 364 is defined by the absorbent insert boundary 351 and the side portions 357 of the seal seal. containment tab 344 to the points where the absorbent insert boundary 351, if extended, crosses the containment tab seal 344.
[99] 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 Figs. 28 and 29, the bottom of the pouch 358 defines a reservoir portion 359 that extends from the absorbent insert stop 351 to the end portion 363 of the retaining flap seal 344. In another example, with reference to Fig. 18, the The bottom of the pocket 118 includes a reservoir portion 145 that extends from the absorbent insert stop 147 to the end flap seal 117. As discussed above, the insert boundaries can be any suitable length or width and can be positioned to any depth. suitable inside 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.
[100] 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 a 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 section length 372. The center section 368 defines a center section width 373 and a center section length 374. The length of the first end section 370 plus the length of the second end section 372 plus the length of the center section 374 is equal to the length of the bottom of the pocket. 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.
[101] 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 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.
[102] 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.
[103] 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 Fig. 28, the bottom of pocket 358 has a variable width at different points along the longitudinal direction. In this embodiment, 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 may have a maximum width of about 145 to 195 mm, about 160 to 190 mm or about 180 mm. In these applications, the center section may contain a maximum width of about 60 to 100 mm, about 70 to 90 mm, or about 82 mm.
[104] 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 embodiments, the first end section and the second end section may have a variable width at different points along the longitudinal direction and the central part may have a constant width at different points along the longitudinal direction, as illustrated in Fig. 28. In some applications, the first end section and the second end section may have a width ranging from 180 mm maximum to 82 mm minimum. In these applications, the center section can have a consistent width of about 82 mm.
[105] In some embodiments, the pocket bottom defines a first reference width 376 measuring at 1/8 the length of the pocket bottom, a second reference width 377 measuring at/the length of the pocket bottom, and a third reference width 378 measured at 7/8 of the length of the bottom of the pocket. In some embodiments, first reference width 376 may be equal to third reference width 378 and second reference width 377 may be smaller than first and third reference width 376 and 378. In some embodiments , 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 embodiments, the second reference width 377 may be about 48% of the first reference width 376 and the third reference width 378.
[106] 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.
[107] In many applications, the base surface of the pouch 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.
[108] 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.
[109] 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.
[110] 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, Figs. 8 and 10 representatively illustrate the transition that is integral with the chassis shell. In these applications, the integral transition is part of the outer layer material and is a distinct projection from the outer layer material.
[111] In some of the applications, the strap can be attached to the frame in the front waist region, the back waist region, 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 joined 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 thread 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.
[112] Now, with reference to Figs. 26 and 27, the strap 152 is joined to the crotch region 28 of the chassis 151 via discrete tabs 100 (only one visible). Specifically, tabs 100 are joined to strap 152 through a first seam of tab 149. Similarly, tabs 100 are joined to chassis 151 through a second seam of tab 199. The first seam of tab 149 is an ultrasonic glue to preserve the fluid-tight pouch 206. The second seam of the flap 199 is a stitched binding.
[113] 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 Figs. 11-16, retaining tab 54 includes locking tabs 67 that extend from proximal portion 62 of retaining tab 54. As illustrated in Figs. 15 and 16, the strap 52 is joined to the crotch region 28 of the chassis 51 by securing tabs 67 (only one visible) and seams of tab 199 (only one visible).bgh
[114] 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 Figs. 17-22, the side retaining tabs 104 and 105 and both include an integral securing tab 94. Likewise, the base sheet 106 includes a pair of integral securing tabs 96. The strap 102 can be attached to a chassis using in part the securing tabs 94 and/or 96. For example, Figs. 21 and 22 representatively illustrate strap 102 joined to chassis 101 in the crotch region 28 using securing tabs 94 and 96.
[115] In some applications, the straps of the present invention define a perimeter and are joined to the frame around the perimeter. For example, again with reference to Fig. 19, strap 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 straps 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.
[116] 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.
[117] 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 is 25%. Furthermore, 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%.
[118] 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 INTELLECT II model, offered by Thwing-Albert Instrument Co., 10960 Dutton Rd., Philadelphia, Pa. 19154, can also be used for this test.
[119] 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.
[120] 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 x 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 2 and Profile 3 as summarized in Table 1. In some applications, the outer layer material has a load x elongation profile in the transverse direction at Profile 2 values as summarized in Table 1. Table 1: Outer Layer Load (force in grams per 3 inches wide) and Stretching - Transverse Direction

[121] 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 x 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 within the range between Profile 2 and Profile 3 as summarized in Table 2. In some applications, the outer layer material has a load x elongation profile in the longitudinal direction at 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

[122] Waist elastic and/or leg elastic can be manufactured from any suitable material or a combination of these materials. In some applications, the waist elastic and/or leg elastic can be made 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 attach the waist band and/or leg elastic to the outer layer may be a polyester yarn.
[123] 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 x 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 x elongation profile at the Profile 2 values as summarized in Table 3. Table 3: Waistband Load (strength in grams per 1 inch of width) and Elongation

[124] 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 x 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 applications, the leg elastic has a load x elongation profile at the Profile 2 values as summarized in Table 4. Table 4: Leg Elastic Load (force in grams per inch of width) and Agamento

[125] Transition materials can 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.
[126] 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.
[127] In some applications, transition materials are capable of extending 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 to elongation profile of transition materials can be determined using the Strip Tensile Test described herein using a 3 inch by 7 inch sample.
[128] 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 x 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 Table 5 In some applications, transition materials have a load x 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 Elongation - Transverse Direction

[129] 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 x 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 x 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


[130] 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, again with reference to Fig. 17, first transition 108 defines a first transition width 109 and a first transition length 107. Likewise, second transition 110 defines a second transition width 111 and a second transition length. transition 113. In many 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.
[131] 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.
[132] 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.
[133] 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.
[134] In many applications, the base sheet can be of any suitable shape. In some applications the base sheet may be rectangular or non-rectangular. For example, as illustrated in Fig. 11, the base sheet 56 may have a curvilinear shape wherein the base sheet defines a first portion 76 and a second portion 78 and a third portion 80. In the illustrated embodiment, the first portion 76 it has curvilinear side edges and a maximum width greater than the maximum width of the second portion 78. In addition, the third portion 80 has curved side edges and a maximum width greater than the maximum width of the second portion 78. The second portion 78 has relatively straight and parallel side edges.
[135] In another example, illustrated in Fig. 17, the base sheet 106 may have a curvilinear shape wherein the base sheet defines a first portion 126 and a second portion 128 and a third portion 130. In the illustrated embodiment, the first portion 126 has curvilinear side edges and a maximum width greater than the maximum width of the second portion 128. In addition, the third portion 130 has curvilinear side edges and a maximum width greater than the maximum width of the second portion 128. The second portion part 128 has relatively straight and parallel side edges, except for flap 96, which is a distinct projection from base sheet 106.
[136] In another example, illustrated in Fig. 23, the base sheet 154 may have a curvilinear shape wherein the base sheet defines a first portion 190 and a second portion 191 and a third portion 198. In the illustrated embodiment, the first portion 190 has curvilinear side edges and a maximum width greater than the maximum width of second portion 191. In addition, third portion 198 has curvilinear side edges and a maximum width greater than the maximum width of second portion 191. portion 191 has relatively straight and parallel side edges.
[137] In another example, illustrated in Fig. 28, the base sheet 338 may have a curvilinear shape wherein the base sheet defines a first portion 366 and a second portion 367 and a third portion 368. In the illustrated embodiment, the first portion 366 has curvilinear side edges and a maximum width greater than the maximum width of second portion 367. In addition, third portion 368 has curvilinear side edges and a maximum width greater than the maximum width of second portion 367. portion 367 has relatively straight and parallel side edges.
[138] In some applications, the containment flap material can be made of any suitable material or a combination of these materials. In some applications, the containment flap material 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.
[139] 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.
[140] 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, sheets, 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.
[141] 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 accumulation 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.
[142] 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 pant and may be lower near the front waist region and/or the rear waist region.
[143] Referring again to Fig. 28m, the first side retaining tab 330 and second side retaining tab 332 each define a distal edge 343 and a length of distal edge 347. retainer 345 (not shown in Fig. 28) can be applied at varying tension along the length 347 of tabs 330 and 332. In some embodiments, the elastic of retainer tab 345 can be applied to a first tension zone 380 , a second tension zone 381 and a third tension zone 382. In various embodiments, 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 than the elastic tension in the third tension zone 382. In some embodiments, the elastic tension in the first tension zone 380 may be the same as the elastic tension in the third tension zone 382.
[144] For example, in one embodiment, the relaxed length of the retaining tab 347 may be 390 mm and the elastic of the retaining tab 345 may have a relaxed length of 260 mm. The elastic of tab 345 can be applied relaxed (i.e., without 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 the far edge 343 to define the second tension zone 381. In other words, 146 mm of relaxed elastic 345 is stretched to 276 mm and then applied to the far edge 343 in the second tension zone 381. Finally, elastic 345 can be applied relaxed along the final 76 mm of distal edge 343 to define third tension zone 382.
[145] In another embodiments the relaxed length of the retaining tab 347 may be 414mm and the elastic of the retaining tab 345 may have a relaxed length of 273mm. The elastic of tab 345 can be applied relaxed (i.e., without 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 300 mm from the far edge 343 to define the second tension zone 381. In other words, 162 mm of relaxed elastic 345 is stretched to 300 mm and then applied to the far edge 343 in the second tension zone 381. Finally, elastic 345 can be applied relaxed along the final 76 mm of distal edge 343 to define third tension zone 382.
[146] In various embodiments, retaining tab elastic 345 can be applied to the second tension zone 381 at 0 to 200% elongation, 50 to 150% elongation, or about 70 to 90% elongation. In various embodiments, the elastic of retaining tab 345 may be applied to first tension zone 380 and/or third tension zone 382 at 0 to 150% elongation.
[147] 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 fabric laminated with polyurethane 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.
[148] 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 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.
[149] 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 extension pull tester 390. Traction tester 390 includes a load cell 391, an upper jaw 394, a lower jaw 396, an upper device 398, and a lower device 400. A test pant 392 is placed on 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.
[150] 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 "total waist tension of the 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.
[151] 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 "total 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 jaw and lower 394 and 396 are centered on the respective jaw.
[152] 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 "total 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 openings 395 of the test pants 392 to a depth of 1 inch.
[153] In each of these configurations, the upper jaw 394 and the lower jaw 396 are free to rotate around the axis 397. Prior to testing, the test pants 392 are hung on the upper jaw 394 to compensate for the force of the pants test 392 and therefore "zero" 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/min 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 lower jaw 396.
[154] The 390 traction tester can be any suitable constant rate extension traction tester such as the MTS model Synergie 200 Test Bed traction tester, which is offered by MTS(R) Systems Corporation, of Research Triangle Park, NC , U.S. 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.
[155] 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.
[156] 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.
[157] Tables 7, 8, and 9 summarize the force in grams (rounded to the nearest gram) over various circles, measured in mm. 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



[158] 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.
[159] Now, with reference to Figs. 35 and 36, a first example of an absorbent insert 230 is illustrated representatively. Figure Figure 35 is a top view of absorbent insert 230 with portions cut away to better illustrate the underlying structure. Figure Figure 36 is an enlarged cross-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 short 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 to both. in the longitudinal direction and in the transverse direction.
[160] The absorbent insert 230 includes a first sheet 232 and a second sheet 234, facing the front of 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 Figure 37 is a top view of absorbent core 236 removed from absorbent insert 230 of Figure 35 to better illustrate detail. The absorbent core 236 defines a perimeter of the core 238, and the first sheet 232 and the second sheet 234 extend beyond the perimeter of the core 238, and are joined together to form a perimeter seal 240. The outer extension 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.
[161] The absorbent insert 230 defines an absorbent insert width 266 and an absorbent insert length 268. The absorbent insert 230 defines a first end section 270, a second end section 272 and a center section 274 in the longitudinal direction 48. The section center 274 extends between the first end section 270 and the second end section 272. The first end section 270 defines a width of the first end section 276 and a length of the first end section 278. The second end section 272 defines a width of the second end section end section 280 and a length of second end section 282. Center section 274 defines center section width 284 and center section length 286. First end section length 278 plus second end section length 282 plus length of the center section 286 is equal to the length of the absorbent insert 268. The widths of the various sections are measured in the transverse direction 50 and the lengths of the various sections are measured in the direction. the longitudinal 48.
[162] In an application adapted for use by a child weighing 60 to 120 pounds, the length of the absorbent insert can be 425 to 475 mm, or 430 to 450 mm or about 440 mm. In an application adapted for use by a child weighing 38 to 65 pounds, the length of the absorbent insert can be 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.
[163] In many applications, the absorbent insert may have a width that varies at different points along the longitudinal direction. For example, as illustrated in Fig. 35, the absorbent insert 230 has a variable width at different points along the longitudinal direction. In this embodiment, 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. end may 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.
[164] 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 embodiments, the first end section and the second end section may have a variable width at different points along the longitudinal direction and the central part may have a constant width at different points along the longitudinal direction, as illustrated in Fig. 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.
[165] In some embodiments, the absorbent insert defines a first reference width 316 measured at 1/8 of the length of the absorbent insert 268, a second reference width 317 measured at/of the length of the absorbent insert 268, and a third width of reference 318 measured 7/8 of the length of absorbent insert 268. In some embodiments, first reference width 316 may be equal to third reference width 318 and second reference width 317 may be less than first reference width 318. the third reference width 316 and 318. In some embodiments, 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 of reference 318. In some embodiments, the second reference width 317 may be about 60% of the first reference width 316 and the third reference width 318.
[166] The absorbent insert 230 also defines an area of the absorbent insert 269. In various applications, the area of the absorbent insert 269 can be any suitable value. For example, in applications adapted for use by a child weighing 60 to 120 pounds, the area of the absorbent insert 269 can be about 65,000 mm2. In applications adapted for use by a child weighing 38 to 65 pounds, the area of the absorbent insert 269 can be about 57,600 mm2.
[167] In many applications, the area of the absorbent insert 269 can define any suitable shape. For example, the absorbent insert area 269 may contain a symmetrical shape about the transverse centerline as illustrated in Figure 35 or may contain an asymmetrical shape around the transverse centerline as illustrated in Figure 38. absorbent inserts may have a rectangle shape, dog bone shape, hourglass shape, T shape or the like.
[168] Referring again to Fig. 37, absorbent core 236 defines an absorbent core width 288 and an absorbent core length 289. Absorbent core 236 also defines a first end section 290, a second end section 292, and a section center 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 width of the first end section 296 and a length of the first end section 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 the length of the second end section 302 plus the length of the center section 306 is equal to the length of the absorbent core 289. The widths of the various sections are measured in the transverse direction 50 and the lengths of the spans. three sections are measured in the longitudinal direction 48.
[169] In an application adapted for use by a child weighing 60 to 120 pounds, the length of the absorbent core can be 350 to 450 mm, 375 to 425 mm, 390 to 410 mm or about 400 mm. In an application adapted for use by a child weighing 38 to 65 pounds, the length of the absorbent core can be 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.
[170] In many applications, the absorbent core may have a width that varies at different points along the longitudinal direction. For example, as illustrated in Fig. In Figure 37, the absorbent core 236 has a variable width at different points along the longitudinal direction. In this embodiment, 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. end may 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.
[171] 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 embodiments, the first end section and the second end section may have a variable width at different points along the longitudinal direction and the central part may have a constant width at different points along the longitudinal direction, as illustrated in Fig. 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.
[172] In some embodiments, the absorbent core defines a first reference width 320 measured at 1/8 the length of the absorbent core 289, a second reference width 321 measured at/the length of the absorbent core 289, and a third reference width 322 measured 7/8 of the length of absorbent core 289. In some embodiments, first reference width 320 may be equal to third reference width 322 and second reference width 321 may be less than first and third reference width 320 and 322. In some embodiments, second reference width 321 may be less than 40%, 50%, 60%, 70% or 80% of first reference width 320 and/ or third reference width 322. In some embodiments, second reference width 321 may be about 50% of first reference width 320 and third reference width 322.
[173] 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 application adapted for use by a child weighing 60 to 120 pounds, the absorbent core area can be about 42,000 mm2. In an application adapted for use by a child weighing 38 to 65 pounds, the absorbent core area can be about 36,300 mm2.
[174] In many applications, the absorbent core can define any suitable shape. For example, the absorbent core may have a shape symmetrical about the transverse centerline as illustrated in Fig. 37 or it may contain an asymmetrical shape about the transverse centerline as illustrated in Figure 38. In various applications, the cores sanitary pads can have a rectangle shape, dog bone shape, hourglass shape, T-shape, or the like.
[175] In many applications, the perimeter seal can be of any suitable width and can be formed by any suitable method. Again with reference to Figs. 35-36, the width of the perimeter fence 241 is illustrated representatively. 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.
[176] In some embodiments, the absorbent insert may be substantially devoid of fluid impermeable materials. In some applications, the absorbent insert does 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 . Furthermore, 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.
[177] In some applications, the absorbent insert may further include one or more input layers. For example, the absorbent insert 230 of Figs. 35 and 36 are illustrated with a first absorbent material 242 positioned between the first sheet 232 and the absorbent core 236. In some applications, the absorbent insert may additionally or alternatively include a second input material. For example, the absorbent insert 244 of Figs. In Figures 38 and 39 it is illustrated with a first input material 242 and a second input material 246.
[178] Now, with reference to Figs. In Figures 38 and 39, a second exemplary absorbent insert 244 is representatively illustrated. Figure Figure 38 is a top view of absorbent insert 244 with portions cut away to better illustrate the underlying structure. Figure Figure 39 is an enlarged cross-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 core perimeter 238, and are joined together to form a perimeter seal 240.
[179] The first absorbent material 242 is positioned between the absorbent core 248 and the first sheet 232; and second absorbent material 246 is positioned between absorbent core 248 and second sheet 234.
[180] In many applications, the first input material and/or the second input material can be any suitable length, width, or shape. For example, again with reference to Fig. 35, the first inlet material 242 defines an inlet material width 324 and an inlet material length 325. In various applications, the inlet material width may be from 50 to 70 mm or about 62 mm. In these embodiments, the width of the absorbent material can be at least 70%, 80%, or 90% of the second reference width 317 of the absorbent core. In some embodiments, the width of the absorbent material may be 84% of the second reference width 317 of the absorbent core.
[181] 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.
[182] In various embodiments, the absorbent materials can be rectangular as illustrated in Fig. 35 or 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.
[183] In various applications, any of the absorbent inserts of the present invention can include absorbent cores containing absorbent material and one or more overlay sheets. For example, in some applications, absorbent cores may include a single overlay 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.
[184] Referring again to Fig. 36, the absorbent core 236 is representatively illustrated with a first wrap sheet 252 positioned on a first 256-facing surface of the absorbent material 253. The first packaging sheet 252 extends between the edges the longitudinal sides 260 of the absorbent material 253. The absorbent core 236 also includes a second packaging sheet 254 positioned over a second contact surface 258 of the absorbent material 253. The second packaging sheet 254 extends between the longitudinal side edges 260 of the material. absorbent 253.
[185] Referring again to Fig. In Figure 39, the absorbent core 248 is representatively illustrated with a packaging sheet 262 positioned on a first front surface 256 of the absorbent material 253. The packaging sheet 262 extends around the side edges 260 of the absorbent material 253 and is also positioned on a second contact surface 258 of the absorbent material 253. The packaging sheet 262 may overlap, at least partially in overlapping 264.
[186] 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 the 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.
[187] 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. In addition, the absorbent core can contain a dry thickness of about 1 to 5 mm, or about 2 mm, as measured under a grip pressure of 0.068 psi (0.47 kPa).
[188] 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.
[189] 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.
[190] 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.
[191] 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.
[192] 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.
[193] 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.
[194] In some applications, absorbent inserts may have a first inlet rate measured across 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 pouch as described herein and in the 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 entry fee. The absorbent insert is positioned within a pouch as described herein with the test cradle with the second main surface (garment facing surface) up and the first main surface (body facing surface) down towards the crib to determine the second entry fee. The urine emission site is located in relation to the transverse centerline of the pants. For user-designed products weighing 38 to 65 pounds, the urine output location is 150 mm in front of the cross centerline for boys and the urine output volume is 120 ml. 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 second emission of urine at the aforementioned location, volumes and flow rates. After more than 15 minutes, the respective absorbent inserts receive a third emission of urine at the aforementioned locations, volumes and flows. The time required for the absorbent insert to completely absorb the second urine output is recorded.
[195] In some applications, the discrete absorbent insert may contain an entry rate for a first urine output through the first sheet containing a first value and an input rate for a first urine output through the second sheet containing a second value , where the difference between the first and second value is less than 20%. In other applications of this aspect, the absorbent insert has an entry rate for a second urine output through the first sheet containing a first value and an input rate for a second urine output through the second sheet containing a second value, wherein the difference between the first value and the second value is less than 20%. In some applications of this aspect, the absorbent insert has an entry rate for a third emission of urine through the first sheet containing a first value and an entry rate for a third emission of urine through the second sheet containing a second value, wherein the difference between the first and second value is less than 20%.
[196] The first entry rate and the second entry rate were recorded for an example absorbent insert of the present invention adapted for males in the weight range 38 to 65 pounds, using the test method described above. The results of these tests are summarized below in Table 10. Table 10: Entry Rate


[197] Due to the design of the absorbent insert and its use within the containment pant, it is desirable for the first inlet rate to be similar to the second inlet rate. In some applications, the ratio of first entry rate to second entry rate to first urine output may be from about 1:1.5 to about 1.5:1 or more desirably from about 1:1.2 to about 1.2:1.
[198] 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 the total absorbent capacity to the width in the genital area may be at least 9g/mm, at least 10g/mm, or at least 11g/mm.
[199] The absorbent inserts of the present invention may be provided in any suitable form. For example, absorbent inserts 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.
[200] 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.
[201] In various applications, the absorbent insert may be folded a first time so that a first body side portion is in front relationship with a second body side 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.
[202] 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.
[203] In many applications, 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 using heat and/or pressure, ultrasound or a 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.
[204] 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.
[205] 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 to accept one or more user urine emissions. 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.
[206] 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 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.
[207] 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.
[208] 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.
[209] 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.
[210] 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 .
[211] 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 may be devoid of a fluid impervious layer.
[212] 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.
[213] 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 bottom of the pouch can have a bow-tie shape as illustrated in Fig. 28 and the absorbent core can be a bow-tie shape as shown in Fig. 37. In another application, the base surface of the pouch 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 bottom of the pouch may be torch-shaped as illustrated in Fig. 11 and the absorbent core may be torch-shaped as illustrated in Fig. 38.
[214] 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 embodiments, the first containment pants may have a chassis designed to be worn by men, as illustrated in Fig. 1, while the second containment pants may have a chassis designed to be worn by women, as illustrated in Fig. 6. Differences between the first containment pants and the second containment pants may include frame shape, frame design, strap construction, bag construction, bag location, and the like, and their combinations. 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.
[215] 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 embodiments, the construction of the first pouch may be as illustrated in Figs. 28-31 and the construction of the second pouch can be as illustrated in Figs. 17-22.
[216] 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.
[217] 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.
[218] 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.
[219] To help users correctly orient the absorbent insert in the pouch, several references may 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.
[220] 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 curvature 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.
[221] 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 (18)
[0001]
1. Discrete absorbent insert (230, 244) comprising: a first sheet (232), a second sheet (234) in frontal relationship with the first sheet (232), and an absorbent core (236, 248) positioned between the first sheet (232) and the second sheet (234) wherein the absorbent core (236, 248) defines a core perimeter (238) and the first sheet (232) and second sheet (234) extend beyond the perimeter. of core (238) and are joined to form a perimeter seal (240), said discrete absorbent insert (230, 244) further comprising a first input material positioned between the first sheet (232) and the absorbent core (236, 248 ), characterized in that the absorbent insert contains a dry thickness of 1 mm to 5 mm, a minimum width of less than 120 mm, a maximum width greater than 170 mm, an absorbent capacity of 600 g to 827 g, and a length from 375 mm to 475 mm, where the discrete absorbent insert (230, 244) has an inlet rate for a first emission of urine through the first sheet (232) containing a first value and an input rate for a first emission of urine through the second sheet (234) containing a second value, wherein the difference between the first and second value is less to 20%.
[0002]
2. Discrete absorbent insert (230, 244) according to claim 1, further comprising a second input material positioned between the absorbent core (236, 248) and the second sheet (234).
[0003]
3. Discrete absorbent insert (230, 244) according to claim 1, characterized in that the absorbent insert has an input rate for a second emission of urine through the first sheet (232) containing a first value and a rate input for a second output of urine through the second sheet (234) containing a second value, wherein the difference between the first and second value is less than 20%.
[0004]
4. Discrete absorbent insert (230, 244) according to claim 1, characterized in that the absorbent insert has an inlet rate for a third emission of urine through the first sheet (232) containing a first value and a rate input for a third emission of urine through the second sheet (234) containing a second value, wherein the difference between the first and second value is less than 20%.
[0005]
5. Discrete absorbent insert (230, 244) according to claim 4, characterized in that the discrete absorbent insert (230, 244) is folded a first time so that a first portion of the first sheet (232) is in a front relationship with a second portion of the first sheet (232) and is folded a second time so that a third portion of the first sheet (232) is in front relationship with a first portion of the second sheet (234).
[0006]
6. Discrete absorbent insert (230, 244) according to claim 1, characterized in that the first sheet (232) is joined to the second sheet (234) at the perimeter seal (240) with adhesive and the perimeter seal (240) has a width of greater than 20 mm.
[0007]
7. Discrete absorbent insert (230, 244) according to claim 1, characterized in that the first sheet (232) is joined to the second sheet (234) at the perimeter seal (240) with an ultrasonic bond. and the perimeter seal (240) has a width greater than 10 mm.
[0008]
8. Discrete absorbent insert (230, 244), characterized in that it comprises: a first sheet (232), a second sheet (234) in frontal relationship with the first sheet (232), an absorbent core (236, 248) positioned between the first sheet (232) and the second sheet (234) wherein the absorbent core (236, 248) defines a core perimeter (238) and the first sheet (232) and second sheet (234) extend therefrom. if beyond the perimeter of the core and are joined to form a perimeter seal (240), an inlet layer (242) positioned between the first sheet (232) and the absorbent core (236, 248), the first sheet (232 ) and the second sheet (234) being fluid permeable, strands of yarn joined after extrusion composed of synthetic polymer filaments, said discrete absorbent insert (230, 244) having an absorbent capacity of 600 g to 827 g, and wherein the discrete absorbent insert (230, 244) has an inlet rate for a first emission of urine through the first sheet (23 2) containing a first value and an input rate for a first emission of urine through the second sheet (234) containing a second value, wherein the difference between the first and second value is less than 20%.
[0009]
9. Discrete absorbent insert (230, 244) according to claim 8, characterized in that the absorbent core (236, 248) has more than 40% superabsorbent.
[0010]
10. Discrete absorbent insert (230, 244) according to claim 9, characterized in that the absorbent core (236, 248) has more than 15 grams of "fluff" cellulose and more than 15 grams of superabsorbent.
[0011]
11. Discrete absorbent insert (230, 244) according to claim 10, characterized in that the input layer (242) has a basis weight greater than 85 gsm.
[0012]
12. Discrete absorbent insert (230, 244) according to claim 9, characterized in that the discrete absorbent insert (230, 244) is folded a first time so that a first portion of the first sheet (232) is in a front relationship with a second portion of the first sheet (232) and is folded a second time so that a third portion of the first sheet (232) is in front relationship with a first portion of the second sheet (234).
[0013]
13. Discrete absorbent insert (230, 244) according to claim 9, characterized in that the discrete absorbent insert (230, 244) is devoid of fasteners and is devoid of containment tabs.
[0014]
14. Discrete absorbent insert (230, 244) according to claim 9, characterized in that the absorbent core (236, 248) defines a length of the absorbent core (236, 248) as measured in the longitudinal direction, a first section end section, a second end section, and a center section, wherein the center section is positioned between the first end section and the second end section, and wherein the first end section, the second end section, and the central section defines equal lengths in the longitudinal direction and together define the total length of the absorbent core (236, 248) and wherein the first end section defines a maximum width greater than 135mm, the central section defines a maximum width less than 90 mm, and the second end section defines a maximum width greater than 135 mm.
[0015]
15. Containment system, characterized in that it comprises: a permanently closed containment pants (10) comprising: an elastically extensible structure (12) defining a waist opening, a first leg opening, and a second leg opening , the waist opening comprising a front waist region joined to a rear waist region, and a strap (14, 52, 102, 152, 348) positioned within the frame and joined to the front waist region and the rear waist region. , wherein the strip (14, 52, 102, 152, 348) comprises a fluid impermeable base sheet and a containment tab joined to the base sheet to create a fluid impermeable pouch (34, 68, 118, 206, 346), wherein the fluid impermeable pouch (34, 68, 118, 206, 346) defines a base surface of the pouch having a longitudinal direction, a first end section, a second end section, and a center extending section. between the first end section and the second end section, wherein 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 and wherein the first end section defines a maximum width greater than 145mm, the center section defines a maximum width less than 115mm, and the second end section defines a maximum width greater than 145mm; and a discrete absorbent insert (230, 244) comprising: a first sheet (232), a second sheet (234) in frontal relationship with the first sheet (232), an absorbent core (236, 248) positioned between the first sheet ( 232) and the second sheet (234) wherein the absorbent core (236, 248) defines a core perimeter (238) and the first sheet (232) and second sheet (234) extend beyond the perimeter of the core and are joined to form a perimeter seal (240), and an inlet layer (242) positioned between the first sheet (232) and the absorbent core (236, 248), wherein the first sheet (232) and the second sheet (234) are fluid permeable, wherein the absorbent core (236, 248) defines a longitudinal direction, a first end section, a second end section, and a center section, wherein the center section is positioned between the first end section and the second end section, and where the first end section, the second end section. and the center section define equal lengths in the longitudinal direction and together define a length of the absorbent core (236, 248), and where the first end section defines a maximum width greater than 120 mm, the center section defines a width maximum of less than 100 mm, and the second end section defines a maximum width of greater than 120 mm, and wherein the discrete absorbent insert (230, 244) has an inlet rate for a first emission of urine through the first sheet (232) containing a first value and an input rate for a first emission of urine through the second sheet (234) containing a second value, wherein the difference between the first and second value is less than 20%.
[0016]
16. The containment system of claim 15, characterized in that the discrete absorbent insert (230, 244) is folded a first time so that a first portion of the first sheet (232) is in front relationship with a second portion of the first sheet (232) and is folded a second time so that a third portion of the first sheet (232) is in frontal relationship with a first portion of the second sheet (234) and wherein the discrete absorbent insert (230, 244 ) folded twice is individually positioned inside a package.
[0017]
17. Containment system according to claim 16, characterized in that the absorbent core (236, 248) has more than 17 grams of "fluff" cellulose and more than 17 grams of superabsorbent.
[0018]
18. Containment system according to claim 16, characterized in that the absorbent core (236, 248) defines a length of the absorbent core (236, 248) as measured in the longitudinal direction, the first end section defines a first end section length that is 25 to 30% of the length of the absorbent core (236, 248), the second end section defines a second end section length that is 25 to 30% of the length of the absorbent core (236 , 248), and the center section defines a center section length that is 40-50% of the length of the absorbent core (236, 248), wherein the first end section and the second end section have a variable width at different points along the longitudinal direction and the center section has a consistent width at different points along the longitudinal direction.

类似技术:

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公开号 | 公开日 | 专利标题

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

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BR112015000451B1|2021-08-10|CONTAINMENT PANTS

---

BR112015000461B1|2021-08-17|ABSORBENT INSERT

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

---

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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BR112015000543B1|2021-08-10|CONTAINMENT PANTS

---

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

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BR112015000598A2|2019-12-31|containment pants

同族专利:

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公开号 | 公开日

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BR112015000595A2|2017-06-27|

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WO2014009899A3|2014-04-24|

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WO2014009899A2|2014-01-16|

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AU2013288292A1|2015-02-05|

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US9192526B2|2015-11-24|

---

RU2586055C1|2016-06-10|

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KR20150048111A|2015-05-06|

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KR101668200B1|2016-10-20|

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EP2872095B1|2018-11-21|

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MX2015000393A|2015-04-10|

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EP2872095A4|2016-03-16|

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US20140018757A1|2014-01-16|

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MX339286B|2016-05-18|

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AU2013288292B2|2016-11-10|

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CN104619299A|2015-05-13|

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EP2872095A2|2015-05-20|

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CN104619299B|2018-03-27|

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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]|

---

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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2021-03-16| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

---

2021-06-29| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-08-17| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|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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US13/548,000|2012-07-12|

---

US13/548,000|US9011403B2|2012-07-12|2012-07-12|Absorbent insert|

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US13/933,197|US9192526B2|2012-07-12|2013-07-02|Absorbent insert and containment system|

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US13/933,197|2013-07-02|

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PCT/IB2013/055669|WO2014009899A2|2012-07-12|2013-07-10|Absorbent insert and containment system|

---