• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Toothbrush. an implement for oral treatment is described in the present invention. the implement for oral treatment includes a base and a first handle member. the base has a gripping region and a buccal interconnection region. the base has an opening that extends through it. the first grip member at least partially covers the gripping region of the base and has a plurality of gripping elements. the first handle member also has at least one opening that exposes a guide element. the guide element includes a protrusion and a ring around the protrusion.
    公开号:BR112013012341B1
    申请号:R112013012341-9
    申请日:2011-11-21
    公开日:2021-04-27
    发明作者:Juergen Mohr；Martin Vitt；Arotti Martin Jay M；Daniel Monroe Jay；Jens Stoerkel
    申请人:Braun Gmbh；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    [0001] This invention relates to a personal hygiene device, specifically a toothbrush or equipped with a motor or manual. BACKGROUND OF THE INVENTION
    [0002] Toothbrushes are widely accepted by consumers as one of the best tools to prevent tooth decay. The first toothbrushes, in general, included a handle produced from a single component with a plurality of filaments attached to it. However, with the advancement of technology, particularly in the areas of plastics processing, toothbrushes have become more complex. For example, some toothbrushes currently available have a handle that includes multiple plastic materials.
    [0003] For those toothbrushes that have multiple materials in the handle, an elastomeric material is often used in the handle portion of the handle. The elastomeric material can provide a soft area (s) on the cable for a user to place their thumb and index finger. Unfortunately, these soft areas are often uniform in nature, offering the user little or no tactile differentiation from one location in a specific soft area to another location over the specific soft area.
    [0004] Often, a user brushes his teeth both early in the morning and / or later in the evening. At such times, there may be little to no light during brushing. As such, the user can sometimes fail to trust the tactile sensation of proper gripping. Due to the lack of tactile differentiation in a soft area, the user may incorrectly pick up the toothbrush. An improper grip on the toothbrush handle can potentially reduce the maneuverability of the toothbrush without adjustment of the handle on the toothbrush by the user.
    [0005] As such, there is a need for a toothbrush that provides the user with a soft grip area while also providing a tactile distinction within a specific grip area that provides an indication as to the proper positioning of the thumb of a user and / or index finger. BRIEF SUMMARY OF THE INVENTION
    [0006] A toothbrush constructed in accordance with the present invention can provide the user with a soft grip area, while also providing a tactile distinction within a specific grip area that provides an indication as to the proper positioning of the user's thumb and / or fingers.
    [0007] An implement for oral treatment comprises a base with a gripping region and a region of oral interconnection. The base has an opening that extends through it. The implement for oral treatment additionally comprises a first grip member at least partially overlying the base grip region and is provided with at least one opening that exposes a guide element, wherein the first grip member comprises a plurality of grip elements , and wherein the guide element comprises a protrusion and a ring around the protrusion.
    [0008] In some modalities, an implement for oral treatment comprises a base with a gripping region and a region of oral interconnection. The base has a first opening and a second opening, each extending through it, and the base additionally comprises a neck and a head attached to the neck. A first grip member at least partially overlying the base grip region is provided with at least one opening that exposes a guide element, wherein the first grip member comprises a plurality of grip elements. The guide element comprises a protrusion and a ring around the protrusion. A second grip member in the gripping region is unitary with the first grip member and is attached to the first grip member through the first opening. An identification symbol being unitary with the second handle member is attached to it through the second opening. A collar around the neck, being unitary with the first handle member, is arranged at an angle to a longitudinal axis.
    [0009] A method of forming an implement for oral treatment comprises the steps of obtaining a base that has a first opening, the base having a front side and a rear part. An elastomeric material is injected from the rear through the first openings to the front. A first handle member is formed on the front side where the first handle member surrounds a base portion. A collar is formed unitarily with the first handle member, the collar allowing the elastomeric material to flow from the front side to the back. BRIEF DESCRIPTION OF THE DRAWINGS
    [00010] Figure 1 is a plan view of a toothbrush constructed in accordance with an embodiment of the present invention.
    [00011] Figure 2A is a cross-sectional view of the toothbrush in figure 1 along line 2-2.
    [00012] Figure 2B is a partial cross-sectional view of the toothbrush in figure 1 with some features removed for clarity, the cross section being along line 2- 2.
    [00013] Figure 3A is a close view showing the partial cross section of figure 2A.
    [00014] Figure 3B is a close view showing the partial cross section of figure 3A.
    [00015] Figure 3C is a close view showing the partial cross section of figure 3A.
    [00016] Figure 4 is a front view showing a toothbrush constructed in accordance with another embodiment of the present invention.
    [00017] Figure 5A is a rear view showing a toothbrush constructed in accordance with another embodiment of the present invention.
    [00018] Figure 5B is a rear view showing a toothbrush constructed in accordance with another embodiment of the present invention.
    [00019] Figure 6 is a representative view showing the toothbrush of figure 1 inside a partial oral cavity.
    [00020] Figure 7 is a side view showing a portion of a toothbrush constructed in accordance with another embodiment of the present invention. DETAILED DESCRIPTION OF THE DRAWINGS
    [00021] A toothbrush constructed in accordance with the present invention can provide a user with a soft grip area for the thumb and / or index finger while also providing an indication for proper positioning of the thumb and / or finger indicator.
    [00022] As shown in figure 1, an implement for oral treatment, for example, a toothbrush 10, constructed in accordance with the present invention can comprise a base 210 (shown in figures 2A and 2B) that has a gripping region 60 and a mouthpiece region 70. Grip region 60 can comprise a portion of the handle 12, a first handle member 20 and a guide element 30. As shown, the first handle member 20 can comprise an opening that allows the guide element 30 forms part of a front side surface 260 (shown in figures 2A and 2B). A longitudinal axis 40 extends from a distal end 80 of the toothbrush 10 to a proximal end 90 of the toothbrush 10. The first grip member 20 covers at least partially the gripping region 60.
    [00023] Although the discussion regarding the materials used for the first handle member 20 and the base 210 is presented later in this document, the material used for the guide element 30 may be harder than that of the first handle member 20. The difference in material hardness can provide a tactile indication to a user of the proper positioning of the thumb and / or index finger when using the toothbrush 10.
    [00024] The buccal interconnection region 70 can comprise a head 16 and a plurality of contact elements 20. A neck 14 extends between the head 16 and the cable 12 thus connecting the buccal interconnection region 70 and the handle region 60 The head 16 and / or the neck 14 can be angled with respect to the cable 12. Additionally, the head 16 can comprise a raised surface 299 (shown in figures 2A and 2B) from which the contact elements 20 extend. The raised surface is discussed further in relation to figures 6 and 7.
    [00025] In addition, the toothbrush 10 may comprise an identification symbol 50. The identification symbol 50 may provide some visual indication of the type of implement for oral treatment, the manufacturer of the implement for oral treatment and / or the commercial name of the implement for oral treatment. In some embodiments, the identification symbol 50 may comprise a plurality of materials. For example, a hard material can be used to form specific alphanumeric characters or other symbols, although a soft material can surround or at least partially surround alphanumeric characters or other symbols. As another example, a soft material can be used to form specific alphanumeric characters or other symbols, although a harder material can or at least partially surround alphanumeric characters or other symbols.
    [00026] As shown in figure 2A, the mouthpiece 10 can comprise a second handle member 250 that forms a portion of a rear portion facing surface 270. In contrast, the first handle member 20 forms a portion of the handle surface facing the front side 260. As shown, the first handle member 20 can be arranged in a recess 252 in the base 210. Similarly, the second handle member 250 can be arranged in a recess 251 in the base 210. Finally , the identification symbol 50 can be arranged in a recess 253 in the base 210 so that the identification symbol 50 is level with the surface of the front side 260 of the implement for oral treatment 10.
    [00027] As stated previously, the first handle member 20 can comprise an opening which exposes the guide element 30. As shown, the guide element 30 can be unitarily formed with the base 210. In addition, the guide element 30 can comprise a material which is harder than that of the first handle member 20 in order to provide a tactile indication to a user.
    [00028] As shown, a collar 290 can encircle the neck 14 and can be unitary with the first handle member 20. The collar 290 can be inclined with respect to a lateral axis that is perpendicular to the longitudinal axis 40. An angle of inclination 390 (shown in figure 3) can be greater than about 5 degrees, greater than about 10 degrees, greater than about 15 degrees, greater than about 20 degrees, greater than about 30 degrees and / or less than about 30 degrees, less than about 20 degrees, less than about 15 degrees, less than about 10 degrees or any range or any number with the degrees stated above. The collar 290 forms a portion of the surface facing the outside of the toothbrush 10 and is not shown in the cross section in figure 2A.
    [00029] In some embodiments, the toothbrush 10 may additionally comprise a tongue cleaner 292. As shown, the tongue cleaner 292 may be arranged in a recess 254 over a rear part of the head 16. The tongue cleaner 292 may comprise a plurality of tongue cleaning structures that can be used to reduce the amount of substances that cause odor in the oral cavity. Some examples of materials suitable for tongue cleaner 292 include elastomeric materials; polypropylene, polyethylene, etc .; similar, and / or combinations thereof. The tongue cleaner 292 can comprise any suitable soft tissue cleaning elements. Some examples of such elements, as well as configurations of soft tissue cleaners on a toothbrush are described in US patent applications No. 2006/0010628; 2005/0166344; 2005/0210612; 2006/0195995; 2008/0189888; 2006/0052806; 2004/0255416; 2005/0000049; 2005/0038461; 2004/0134007; 2006/0026784; 20070049956; 2008/0244849; 2005/0000043; 2007/140959; and in US Patent Nos. 5,980,542; 6,402,768; and 6,102,923.
    [00030] The toothbrush 10 can comprise a plurality of elastomeric elements 291 which can be formed unitarily with the tongue cleaner. The plurality of elastomeric elements 291 can be arranged on the periphery of the head 16. In such a position, the elastomeric elements 291 can be used to provide a gum massage during brushing. In some embodiments, the plurality of elastomeric elements 291 can be positioned close to the center of the periphery of the head 16, for example, closer to the longitudinal axis 40 (shown in figure 1). In such a position, the plurality of elastomeric elements 291 can provide a polishing function for harder oral cavity surfaces, for example, enamel.
    [00031] The plurality of elastomeric elements 291 can have any suitable shape. Some examples of suitable formats include curved walls, elongated walls, round cross sectional elements, square cross sectional elements, triangular cross sectional elements, polygonal cross sectional elements, cups, ovals, arched structures, for example, multiple sides and / or combinations thereof . In addition, depending on the desired function of the 291 elastomeric elements, an additive can be provided on or in the element. For example, for polishing, elastomeric elements 291 can comprise a polishing agent as described in U.S. Patent No. 6,151,745. As another example, for gum massage, the 291 elastomeric elements may comprise an antibacterial / antimicrobial composition.
    [00032] With reference to figures 2A and 2B, the base 210 can comprise a first opening 220 and a second opening 240. Additional openings extending through the base 210 can be used. The openings, for example 220 and 240, can allow the first handle member 20 to be unitarily formed with the second handle member 250. The second handle member 250 and the first handle member 20 can be attached to each other via the first opening 220. Similarly, the identification symbol 50 can be unitarily formed with the second handle member 250 and attached to it through the second opening 240.
    [00033] The base 210 may comprise a recess 277 in which the material for the collar 290 is housed. The collar 290 can be unitarily formed with the first handle member 20. The neck 14 of the base 210 may comprise a groove 279 on which a strip of material 294 can be arranged. The material strip 294 can connect the collar 290 with the tongue cleaner 292 on the head 16. The material strip 294, the tongue cleaner 292 and the collar 290 can be formed individually.
    [00034] Additionally, the base 210 in the buccal interconnection region 70 may comprise a plurality of indentations 275 on one side of the head 16. Indentations 275 may allow the tongue cleaner material 292 to flow from one side of the head 16 to one opposite side of the head 16 and form the elastomeric elements 291 (shown in figure 2A) extending from the raised surface 299 of the toothbrush head 16 10. In some embodiments, a plurality of elastomeric elements 291 can be formed unitarily with the 292 tongue cleaner.
    [00035] Still referring to figures 2A and 2B, during processing, the material used for the second grip member 250 can be injection molded to the base 210. The injection molding operation can supply the material on the rear surface 270A from the base 210 to form the second handle member 250. The material can flow through the first opening 220 and the second opening 240 thus forming the first handle member 20 and the identification element 50. The material can then flow through the recess 277 thus forming the collar 290. The material can flow through the channel 279 thus forming the strip of material 294 and flow to the head 16 thus forming the tongue cleaner 292. The material can flow through the indentations 275 to form the plurality of elastomeric elements 291.
    [00036] For those modalities that comprise elastomeric elements that are arranged close to the center of the periphery of the head 16, openings can be provided in the head 16 thus allowing the material used for the tongue cleaner 292 to flow through the head 16 thus forming the plurality of elastomeric elements. Additionally, for those modalities that comprise both 291 elastomeric elements that are arranged around the periphery and elastomeric elements arranged close to the center of the periphery, both indentations and openings can be used to form the elastomeric elements. Modes are contemplated where each of the plurality of elastomeric elements 291 is integral with one another and / or integral with the tongue cleaner 292. For those modalities where the plurality of elastomeric elements 291 is arranged close to the center of the periphery of the head 16, the plurality of elastomeric elements 291 can be integral with one another. Additionally, for these modalities, the plurality of elastomeric elements 291 can be integral with the tongue cleaner 292. For example, the plurality of elastomeric elements 291 can extend through openings in the head 16 and extend entirely from the tongue cleaner. 292.
    [00037] Unequivocally, the material flow through the base 210 can be from the rear surface 270A to the surface of the front side 260 and then to the rear surface 270A again. This configuration can provide an elaborate appearance for the toothbrush 10 without the use of a third material for the handle 12, neck 14, and / or head 16. For example, this configuration allows a separation on the surface facing the rear part 270 of the toothbrush 10 between the second handle member 250 and the collar 290. This separation can be aesthetically attractive. In addition, the separation between the second grip member 250 and the collar 290 may provide some tactile sensation to the user. Since the collar 290 and the second handle member 250 are separated, a harder material can be provided in the separation between the collar 290 and the second handle member 250. The harder material can provide additional strength to the second handle member 250 in the area of separation as opposed to areas arranged far from separation.
    [00038] As described above, the second grip member 250, the first grip member 20, the identification element 50, the collar 290, the material tape 294, the tongue cleaner 292 and / or the plurality of elastomeric elements 291 can be unitarily formed. However, in some embodiments, at least one of these, for example the second handle member 250, the first handle member 20, the identification element 50, the collar 290, the material tape 294, the tongue cleaner 292 and / or the plurality of elastomeric elements 291, can be discreetly formed and fixed to the base 210. Although more complicated during manufacture, these modalities allow some flexibility in the selection of materials for these characteristics.
    [00039] As shown in figures 3A-3C, the first handle member 20 can comprise a plurality of handle elements 320. The gripping elements 320 can be configured as a plurality of tips 320A and valves 320C. Each of the gripping elements 320 can comprise the tip 320A and a base portion 320B, and each base portion 320B and / or each adjacent gripping element 320 is separated by a trough 320C. The tips 320A can be separated by any suitable distance. Some examples of suitable distances include distances greater than about 0.5 mm, greater than about 1.0 mm, greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2.5 mm, greater than about 3.0 mm, greater than about 3.5 mm, greater than about 4.0 mm, greater than about 4.5 mm, and / or less than about 5.0 mm, smaller than about 4.5 mm, smaller than about 4.0 mm, smaller than about 3.5 mm, smaller than about 3.0 mm, smaller than about 2.5 mm, smaller than about 2 , 0 mm, less than about 1.5 mm, less than about 1.0 mm, less than about 0.5 mm, less than about 0.25 mm, or any number or any range that is within values provided above. In some embodiments, the distance between peaks is about 1.6 mm. In some embodiments, the distance between the tips 320A is about 1 mm at the bottom and 1.25 at the transition to the peak of the radius.
    [00040] Although in figures 3A-3C, the tips 320A are shown to comprise a pointed end, for example, tapered, in some embodiments, the tips 320A of the handle elements 320 may have a radius. The radius can be between about 0.1 mm to about 0.3 mm or from about 0.15 mm to about 0.80 mm. The handle elements 320 having a rounded end may have any suitable radius. For example, the radius can be greater than about 0.05 mm, greater than about 0.10 mm, greater than about 0.15 mm, greater than about 0.2 mm, greater than about 0.3 mm, greater than about 0.4 mm, greater than about 0.5 mm, greater than about 0.6 mm, greater than about 0.7 mm, greater than about 0.8 mm, greater than about 0.90 mm, and / or less than about 0.9 mm, less than about 0.8 mm, less than about 0.7 mm, less than about 0.6 mm, less than about 0 , 5 mm, less than about 0.4 mm, less than about 0.3 mm, less than about 0.2 mm, or any number or any range within the values provided above.
    [00041] In some embodiments, the handle elements 320 may comprise a combination of spokes. For example, some handle elements 320 may comprise a tip 320A with a radius of about 0.15 mm although other handle elements comprise a tip 320A with a radius of about 0.7 mm. The handle elements that have a smaller radius can be positioned closer to the distal end 80 (shown in figure 1) than the handle elements that have a larger radius. These modalities can provide a tactile indication to the user in relation to the proper placement of the thumb and / or finger. In some embodiments, the handle elements may comprise tips that have graduated radii that increase towards the proximal end 90 (shown in figure 1) of the toothbrush.
    [00042] In some embodiments, the handle elements 320 may comprise a combination of tips 320A. For example, some of the handle elements 320 may comprise a tapered tip although other handle elements 320 comprise a rounded tip. In some embodiments, handle elements 320 that have a spoke combination can be used in conjunction with handle elements 320 that have tapered ends.
    [00043] The 320C valleys can serve as the spaces between adjacent handle elements 320. The 320C valleys can be of any suitable distance. Some examples of suitable distances include distances greater than about 0.5 mm, greater than about 1.0 mm, greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2.5 mm, greater than about 3.0 mm, greater than about 3.5 mm, greater than about 4.0 mm, greater than about 4.5 mm, and / or less than about 5.0 mm, smaller than about 4.5 mm, smaller than about 4.0 mm, smaller than about 3.5 mm, smaller than about 3.0 mm, smaller than about 2.5 mm, smaller than about 2 , 0 mm, less than about 1.5 mm, less than about 1.0 mm, less than about 0.5 mm, less than about 0.25 mm, or any number or any range that is within values provided above.
    [00044] The base portions 320B of the handle elements 320 can have a base length 350 of between about 0.5 mm and 1.0 mm. The base length 350 can have any suitable distance. Some examples of suitable distances include distances greater than about 0.3 mm, greater than about 1.0 mm, greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2.5 mm, greater than about 3.0 mm, and / or less than about 3.0 mm, less than about 2.5 mm, less than about 2.0 mm, less than about 1.5 mm, less than about 1.0 mm, less than about 0.5 mm, less than about 0.25 mm, or any number or any range that is within the values provided above.
    [00045] The handle elements 320 can have a height 385 of about 0.8 mm. Any suitable height 385 can be used. Some examples include heights greater than about 0.3 mm, greater than about 1.0 mm, greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2.5 mm, greater than about 3.0 mm, greater than about 3.5 mm, greater than about 4.0 mm, and / or less than about 4.0 mm, less than about 3.5 mm, less than about 3.0 mm, less than about 2.5 mm, less than about 2.0 mm, less than about 1.5 mm, less than about 1.0 mm, less than about 0.5 mm , or any number or any range that is within the values provided above. In some embodiments, a suitable height range 385 is between about 0.8 mm and 1.5 mm.
    [00046] In general, the height 385 and the base length 350 can be in a ratio between about 2 to 1. The ratio, in some modalities it can be about 2.5 to 1. In some modalities, the ratio can be less than about 3 to 1 where the height 385 is less than 3 of the length of the base 350. It is believed that by increasing the ratio, it could result in problems with the injection molding of the gripping elements 320. For example, for reasons that are greater than 3 to 1, the material for grip element 320 will have to travel a longer distance to create height 385. The longer distance can create a potential for cooling the material before it reaches its final destination. In order to overcome this cooling, an increase in temperature and / or pressure can be used; however, this increase in temperature and pressure can have a detrimental impact on the molds in which the gripping elements are formed. For example, the valves 320C between adjacent handle elements 320 should have a minimum distance of about 0.6 mm to about 0.8 mm. Note that the 320C valleys, in the present embodiment, are formed by walls in a mold cavity, and as such, the distance from the 320C valleys can represent the thickness of the mold cavity wall. The increase in temperature and pressure may require an increase in the distance from the 320C valleys to ensure integrity and longevity of the mold. It is believed that the shortest distance to the 320C valleys would cause thinner walls in the mold cavity that are more susceptible to damage through temperature and / or pressure.
    [00047] An additional matter is that the 385 height increase can lead to demoulding problems. For example, if the height 385 of the gripping element 320 is very large, using a soft material, for example, TPE etc., the gripping element can stick to the mold when releasing the mold halves. This could result in an unwanted stretching of the gripping elements. To overcome this issue, a breather hole can be used in the mold cavity that has a diameter of about 0.05 mm to about 0.08 mm. In some embodiments, the breather orifice is less than, or equal to, about 0.1 mm. The breather orifice should be thinner than the width of the tip 320A within the molded cavity in order to reduce the likelihood of leakage through the breather orifice.
    [00048] In some embodiments, the gripping elements 320 are designed having an angle of inclination greater than about 0.5 degrees, greater than about 1.0 degrees, greater than about 1.5 degrees, greater than about 2.0 degrees, greater than about 2.5 degrees, greater than about 3.0 degrees, and / or less than about 3.0 degrees, less than about 2.5 degrees, less than about 2, 0 degrees, less than about 1.5 degrees, less than about 1.0 degrees, or any number or any range within the values provided above. The tilt angle is the tapering angle between the base 320B and the tip 320A.
    [00049] The height 385 can be selected so that the gripping elements 320 and the surface of the front side 260 (shown in figure 2A) are coplanar. In some embodiments, the height 385 can be configured so that the gripping elements 320 are higher than the surface of the front side 260. In some embodiments, the height 385 can be configured so that the gripping elements 320 are lower than the forward facing surface 260.
    [00050] The guide element 30 may comprise a protrusion 330A and a ring 330B. The protrusion 330A may comprise a diameter 390 of about 1.5 mm. However, diameter 390 can have any suitable distance. Some examples of suitable distances include distances greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2.5 mm, greater than about 3.0 mm, greater than about 3.5 mm, greater than about 4.0 mm, greater than about 4.5 mm, greater than about 5.0 mm, and / or less than about 4.5 mm, less than about 4.0 mm, less than about 3.5 mm, less than about 3.0 mm, less than about 2.5 mm, less than about 2.0 mm, less than about 1.5 mm, or any number or any range that is within the values provided above.
    [00051] Additionally, although the diameter 390 is discussed the protrusion 330A can comprise any suitable cross section. For example, protrusion 330A may comprise a polygonal cross section, an ovoid cross section, etc. In these embodiments, the protrusion 330A can be oriented in a specific configuration to provide a tactile indication to the user.
    [00052] The protrusion 330A can have a height 387 that can be about 1.5 mm. Any suitable height 387 can be used. Some examples of suitable heights 387 include heights greater than about 0.3 mm, greater than about 1.0 mm, greater than about 1.5 mm, greater than about 2.0 mm, greater than about 2, 5 mm, greater than about 3.0 mm, greater than about 3.5 mm, greater than about 4.0 mm, greater than about 4.5 mm, and / or less than about 5.0 mm , smaller than about 4.5 mm, smaller than about 4.0 mm, smaller than about 3.5 mm, smaller than about 3.0 mm, smaller than about 2.0 mm, smaller than about 1.0 mm, less than about 2.5 mm, less than about 1.5 mm, less than about 0.5 mm, less than about 0.4 mm, or any number or any range that is within of the values provided above.
    [00053] The height 387 of the protrusion 330A may be greater than the height 385 of the gripping elements 320. In some embodiments, the height 387 may be equal to the height 385. In some embodiments, the height 387 may be less than the height 385 Also, in some embodiments, the height 387 can be equal to the height 385 in which the protrusion 330A, the gripping elements 320 and the surface of the front side 360 are all coplanar.
    [00054] Ring 330B can surround protrusion 330A. Ring 330B can comprise any suitable thickness 370. Some examples of suitable thickness 370 for ring 330B include thicknesses greater than about 0.3 mm, greater than about 0.4 mm, greater than about 0.5 mm, greater than about 0.6 mm, and / or less than about 0.6 mm, less than about 0.5 mm, less than about 0.4 mm, less than about 0.35 mm, or any number or any range that is within the values provided above.
    [00055] The inclusion of ring 330B has been found to provide an increase in quality over guide element 30. Where ring 330B is absent, it has been found that the material of the first handle member 20 often leaks through the mold. so that a film was formed on the guide element 30.
    [00056] Since the guide element 30 and the first handle member 20 can be of different materials, for example, hard and soft, a soft film on the harder material of the guide element 30 may not be desirable. Without sticking to the theory, it is believed that the presence of ring 330B allows a surface of the mold cavity to interface with ring 330B on a two-dimensional basis. In addition, depending on the thickness of the ring 330B, the interface between the surface of the mold cavity and the ring 330B can be increased to further reduce the likelihood of leakage. In contrast, where ring 330B is absent, a surface of the corresponding mold cavity interfaces with the guide element 30 in order to provide a sealing function. Because the guide element 30 is a three-dimensional structure, the complexity of the corresponding mold cavity is increased in order to provide adequate sealing. In addition, where there is no ring 330B, the mold cavity may have to involve an infinitesimal number of points on the guide element 30 to provide the proper seal. As such, ring 330B can provide an aesthetically more attractive and tactile guide element 30.
    [00057] As shown in figure 4, a first handle member 420 can comprise any suitable shape. As shown previously, the first handle member 20 (see figure 1) has been shown as a rectangular structure. However, the first handle member 420 can be configured to be more like the thumb print. For example, the first handle member 420 can comprise a rounded top edge 470 and / or a rounded bottom edge 480. The sides 490 and 495 of the first handle member 420 can narrow towards the rounded top edge 470 or can narrow towards the rounded bottom edge 480. In some embodiments, the sides 490 and 495 may narrow towards a midpoint between the rounded top edge 470 and the rounded bottom edge 480.
    [00058] In addition, gripping elements 320 can cross sides 490 and 495. In embodiments where sides 490 and 495 narrow towards the rounded bottom edge 480, gripping elements 320 can progressively shorten the gripping element. closest grip 320 to the rounded bottom edge 480. Similarly, in these embodiments, the grip elements 320 can progressively make the grip element closer to the rounded top edge 470 larger. The opposite is contemplated for tapering sides towards the rounded top edge 470. For those modalities where sides 490 and 495 are tapered at a midpoint between rounded top edge 470 and rounded bottom edge 480, gripping elements 320 may become shorter towards the area tapered sides 490, 495.
    [00059] The second handle member 250 (shown in figure 2A) can comprise gripping elements similar to those discussed so far. As shown in figures 5A and 5B, the gripping elements can be symmetrical with respect to the longitudinal axis 40 or asymmetric. For example, with reference to figure 5A, a toothbrush 510A can comprise a second handle member 550A that has a plurality of gripping elements 585. Each gripping element 585 can extend from one side 590A to the other side 595A of the second handle member 550A. In addition, each of the 585 gripping elements can be configured so that they have a variety of curvatures. For example, a specific gripping element 585 can be arched and include a plurality of radii of curvature and / or adjacent gripping elements can comprise varying radii. In addition, the spacing between adjacent gripping elements 585 can be varied, such as cavities. For example, near a taper in the second grip member 550A, the spacing between the grip elements 585 may be less than that between the grip elements 585 in a non-tapered area of the second grip member 550A. In addition, close to a suitable location for the index finger, the 585 gripping elements may have varying curvature, varying spacing, varying height, and / or varying orientation in order to provide a tactile indication to the user regarding the proper positioning of the index finger. on the second 550A handle member.
    [00060] In another embodiment, a toothbrush 510B can comprise a second grip member 550B that has a plurality of grip elements 575. As shown, the grip elements 575 of the second grip member 550B can extend on one side 590B to the other side 595B of the second handle member 550B. The gripping elements 575 can intersect with each other and form a uniform pattern over at least a portion of the second grip member 550B. In the appropriate location for the user's index finger, the 575 gripping elements may be spaced differently, may have a different height, may have a different pattern, and / or similar, in order to provide a tactile indication for the user in regarding the proper positioning of the user's index finger.
    [00061] Gripping elements 575 and 585 can be configured similar to gripping elements 320 discussed so far. Suitable heights for gripping elements 575 and 585 can be between about 0.1 mm to about 0.5 mm.
    [00062] As previously discussed, the head 16, shown in figure 1 can comprise the raised surface 299. As shown in figure 6, the raised surface 299 can provide better reach of the cleaning elements 20 to the dental surface. In general, a user's gums 607 can vary in thickness 608. This variation in thickness 608 can define a distance between brush 10 and a tooth 604. It is believed that due to the raised surface 299, contact elements 20 have better access to teeth 604. As shown, a gap 609 between brush 10 and gums 607 may be present; However, because the brush 10 includes a raised surface 299, a corner closer to the gap 609 is absent. The absence of this corner allows a positioning closer to the cleaning elements 20 to teeth 604. In contrast, conventional toothbrushes may include a rounded corner close to the gap that can affect the distance between the brush and the gums.
    [00063] Additionally, the toothbrush neck can be configured to provide additional benefits to the user. As shown in figure 7, a toothbrush 710 having a handle 712, a head 716, and an attenuator extending between the handle 712 and the head 716 is constructed in accordance with the present invention. A longitudinal axis 740 extends through the toothbrush 710 and across the raised surface 299 adjacent to a proximal end 790 of the toothbrush 710. The raised surface 299 can generally be aligned with the longitudinal axis 740 of the toothbrush 710 or positioned at a slight angle. In addition, the longitudinal axis 740 can be aligned with a rotational axis of the toothbrush 710. In these embodiments, it is believed that the alignment of the raised surface 299 with the longitudinal axis 740 can reduce the likelihood of oscillation in the mouth.
    [00064] Still with reference to figure 7, the neck 714 can be inclined, curved, etc. As shown, the neck 714 near the interface with the cable 712 crosses the longitudinal axis 740. As the neck 714 advances towards the head 716, the neck 714 can bend away from the longitudinal axis 740. As shown, the neck 714 is concave in relation to the longitudinal axis 740. Close to the head 716, the neck 714 begins to rise towards the longitudinal axis 740. In some embodiments, depending on the curvature of the neck 714, the raised surface 299 and / or the cleaning elements 720 that extending from this, they can be positioned at a slight angle to the longitudinal axis 740. It is believed that this configuration of the contact elements 720 provides a benefit for interdental cleaning.
    [00065] Any materials suitable for the implement for oral treatment described here can be used. For example, base 210 (shown in figures 2A and 2B) can comprise polyethylene (PE), polypropylene (PP), polyethylene terafthalate (PET), acrylonitrile-butadiene-styrene (ABS), styrene-acrylonitrile (SAN), PP and blends of thermoplastic elastomer (TPE), acetal (POM), nylon (PA), modified polyphenylene oxide (PPO), polyester (PBT), polycarbonate (PC), high impact polystyrene (HIPS), isoplast and other thermoplastic materials urethane (TPU), similar and suitable combinations thereof.
    [00066] The first handle member 20, 420; the second handle member 250, 550A and / or 550B; collar 290; the material tape 294; the tongue cleaner 292; and / or the elastomeric elements 291; can comprise any suitable thermoplastic elastomer. Some suitable examples include SEBS (styrene-ethylene-butylene-styrene block copolymer) or thermoplastic polyurethane. In some embodiments, the material used in the first handle member 20, 420; the second handle member 250, 550A and / or 550B; collar 290; the material tape 294; the tongue cleaner 292; and / or the elastomeric elements 291; can be selected to provide a specific benefit to the user. For example, the material selected on the first handle member 20, 420 may be softer than the material used in the plurality of elastomeric elements 291. In other examples, additives may be included in the material used for the first handle member 20, 420; the second handle member 250, 550A and / or 550B; collar 290; the material tape 294; the tongue cleaner 292; and / or elastomeric elements 291. In some embodiments, additives can be added to provide an aesthetic appearance to the material. As an example, gloss can be added to the material.
    [00067] Additionally, for use in the present invention, the term "contact elements" is used to refer to any suitable element that can be inserted into the oral cavity. Some suitable elements include tufts of bristles, elastomeric massage elements, elastomeric cleaning elements, massage elements, tongue cleaners, soft tissue cleaners, hard surface cleaners, combinations thereof, and the like. The head can comprise a variety of cleaning elements. For example, the head may comprise bristles, abrasive elastomeric elements, elastomeric elements in a particular orientation or arrangement, for example, hinge fins, prophylactic cups, or the like. Some suitable examples of elastomeric cleaning elements and / or massage elements are described in US patent application publications No. 2007/0251040; 2004/0154112; 2006/0272112; and in US Patent Nos. 6,553,604; 6,151,745. The cleaning elements can be tapered, notched, crimped, corrugated, or the like. Some suitable examples of such cleaning elements and / or massage elements are described in US Patent Nos. 6,151,745; 6,058,541; 5,268,005; 5,313,909; 4,802,255; 6,018,840; 5,836,769; 5,722,106; 6,475,553; and in US patent application publication No. 2006/0080794.
    [00068] For the modalities that include an elastomeric element on a first side of the head and an elastomeric element on a second side of the head (opposite to the first), the elastomeric elements can be formed integrally through channels or gaps that extend through of the head material. These channels or openings can allow the elastomeric material to flow through the head during an injection molding process so that the elastomeric elements on the first side and the second side can be formed in an injection molding step.
    [00069] In some embodiments, the contact elements may comprise tufts. Tufts can comprise a plurality of individual filaments that are firmly attached to a support of cleaning elements. Such filaments can be polymeric and can include polyamide or polyester. The longitudinal and transverse dimensions of the filaments of the invention and the profile of the ends of the filaments can vary. In addition, the hardness, resilience and shape of the end of the filament can vary. Some examples of suitable dimensions include a length between about 3 cm and about 6 cm, or any individual number within that range. In addition, the filaments may include a substantially uniform cross-sectional dimension between about 100 and about 350 microns, or any individual number within that range. The ends of the filaments can have any suitable shape, examples of which include a smooth tip, a rounded tip, a penetrating (tapered) tip and / or a tip with a flag. Additionally, modalities are contemplated where a single tuft includes a combination of different tufts, for example, tapered and rounded, tapered and signaled, etc. In some embodiments, the filaments may include a dye that indicates wear on the filaments as described in U.S. Patent No. 4,802,255. Some examples of filaments suitable for use with the brush of the present invention are described in US Patent No. 6,199,242. In some embodiments, the cleaning elements may comprise fins as described so far. For example, in some embodiments, the fields of the cleaning element may comprise a combination of fins and tufts.
    [00070] The contact elements can be fixed to the head in any suitable way. Conventional methods include stapling, tufting free of anchors, and tufting with injection mold. For cleaning elements that comprise an elastomer, these elements can be formed integrally with each other, for example, having an integral base portion and extending out of it.
    [00071] The present invention can be used in manual toothbrushes in which the cleaning movement is provided completely by a user. However, the modalities are contemplated in that the present invention comprises a manual toothbrush that supplements the user's movements with a vibrating device as described in US patent application publication No. 2003/0162145. In addition, modalities are contemplated in which the present invention includes an electric toothbrush. An electric toothbrush is one in which the toothbrush provides most of the cleaning movement. The user can manipulate the electric toothbrush to ensure that the electric toothbrush contacts the desired oral surfaces. In these modalities, the contact elements can be guided by a variety of movements. Some examples of such suitable movements are described in US patent application publication No. 2003/0084527. In addition, the modalities are contemplated in which the present invention includes a replaceable brush head for an electric and / or manual toothbrush.
    [00072] The various characteristics of the modalities described here can be used in other modalities. For example, neck 714 can be used on toothbrush 10, 410, 510A and 510B. As another example, the raised surface 299 can be used in any embodiment described herein. As additional examples, hump 30, first handle member 20, 420, second handle member 250, 550A, and / or 550B; collar 290; the material tape 294; the tongue cleaner 292; and / or the elastomeric elements 291; can be used in any of the modalities described here.
    [00073] The dimensions and values presented in the present invention should not be understood as being strictly limited to the exact numerical values mentioned. Instead, unless otherwise specified, each of these dimensions is intended to mean both the mentioned value and a range of functionally equivalent values around that value. For example, a dimension displayed as "40 mm" is intended to mean "about 40 mm".
    [00074] Each of the documents cited in the present invention, including any cross-reference, related patent or patent application, is hereby incorporated in its entirety, by way of reference, unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art in relation to any invention presented or claimed in this document, or that it, alone or in any combination with any other reference or references, teaches, suggest or present any invention like that. In addition, if there is a conflict between any meaning or definition of a term mentioned in this document and any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document will take precedence.
    [00075] Although particular embodiments of the present invention have been illustrated and described, it should be apparent to those skilled in the art that various other changes and modifications can be made without departing from the character and scope of the invention. Therefore, it is intended to cover in the appended claims all such changes and modifications that fall within the scope of the present invention.
    权利要求:
    Claims (16)
    [0001]
    1. Implement for oral treatment (10, 510A, 510B), comprising: a base (210) with a gripping region (60) and an oral interconnection region (70), the base having an opening that extends through it ; and a first handle member (20, 420) at least partially overlying the base gripping region and provided with at least one opening that exposes a guide element (30), wherein the first handle member comprises a plurality of grip elements grip (320), and where the guide element comprises a protrusion (330A) and a ring (330B) around the protrusion, where the guide element comprises a first material and the first handle member comprises a second material, and that the first material is harder than the second material, and where the guide element (30) is unitarily formed with the base (210), and characterized by the fact that the ring (330B) surrounding the protuberance (330A) has a thickness greater than 0.3 mm and less than 0.6 mm.
    [0002]
    2. Implement for oral treatment, according to claim 1, characterized by the fact that the gripping elements and the protuberance are of the same height.
    [0003]
    3. Implement for oral treatment, according to claim 1, characterized by the fact that the gripping elements are higher than the protrusion.
    [0004]
    4. Implement for oral treatment, according to claim 1, characterized by the fact that the gripping elements are lower than the protrusion.
    [0005]
    5. Implement for oral treatment according to any one of claims 1 to 4, characterized in that the base comprises a recess (252) and in which the first handle member is disposed within the recess.
    [0006]
    6. Implement for oral treatment according to any one of claims 1 to 5, characterized in that the implement for oral treatment additionally comprises a second handle member (250, 550A, 550B) in the gripping region and being unitary with the first handle member.
    [0007]
    Implement for oral treatment according to claim 6, characterized in that the second handle member comprises a plurality of raised portions that are asymmetrical with respect to a longitudinal axis.
    [0008]
    8. Implement for oral treatment according to claim 6, characterized in that the second handle member comprises a plurality of raised portions that are symmetrical with respect to a longitudinal axis.
    [0009]
    9. Implement for oral treatment according to any one of claims 1 to 8, characterized in that the base comprises a neck (14) and a head (16) attached to the neck, in which a collar (290) surrounds the neck and it is unitary with the first handle member.
    [0010]
    10. Implement for oral treatment, according to claim 9, characterized by the fact that the collar is inclined in relation to a longitudinal axis by 15 degrees.
    [0011]
    11. Implement for oral treatment according to any one of claims 1 to 10, characterized in that the base additionally comprises a channel (279) extending along the neck, a strip of material (294) being arranged on the neck.
    [0012]
    12. Implement for oral treatment, according to claim 11, characterized by the fact that the material tape is unitary with the collar.
    [0013]
    13. Implement for oral treatment, according to claim 11, characterized by the fact that it additionally comprises a tongue cleaner (292) disposed on a posterior part of the head.
    [0014]
    14. Implement for oral treatment, according to claim 13, characterized by the fact that the tongue cleaner is unitary with a material tape that is unitary with the collar.
    [0015]
    15. Implement for oral treatment, according to claim 14, characterized by the fact that the back of the head comprises a recess, and in which the tongue cleaner is disposed within the recess.
    [0016]
    16. Implement for oral treatment, according to any one of claims 13 to 15, characterized in that the implement for oral treatment additionally comprises a plurality of contact elements (20, 720), the contact elements being unitary with the tongue cleaner.
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    同族专利:
    公开号 | 公开日
    US8997297B2|2015-04-07|
    CN103220937A|2013-07-24|
    CA2818418A1|2012-05-31|
    PL2642886T3|2017-12-29|
    MX2013005772A|2013-07-22|
    RU2013125086A|2014-12-27|
    AU2011332029B2|2015-02-19|
    HK1185237A1|2014-02-14|
    MX336035B|2016-01-07|
    AU2011332029A1|2013-06-06|
    US20120192369A1|2012-08-02|
    KR101624853B1|2016-05-27|
    EP2642886A1|2013-10-02|
    RU2539155C1|2015-01-10|
    ES2642315T3|2017-11-16|
    BR112013012341A2|2020-08-04|
    CN103220937B|2015-11-25|
    KR20130113472A|2013-10-15|
    EP2642886B1|2017-07-26|
    CA2818418C|2017-03-07|
    WO2012071322A1|2012-05-31|
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    法律状态:
    2020-08-18| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-09-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-15| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|
    2021-03-16| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-27| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/11/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US41611910P| true| 2010-11-22|2010-11-22|
    US61/416,119|2010-11-22|
    PCT/US2011/061641|WO2012071322A1|2010-11-22|2011-11-21|Toothbrush|
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