Disposable undergarment with a detachable crotch member and method for the use thereof
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/15
A61F-013/20
출원번호
US-0325481
(2002-12-19)
등록번호
US-8388595
(2013-03-05)
발명자
/ 주소
Van Gompel, Paul T.
Thorson, Russell E.
출원인 / 주소
Kimberly-Clark Worldwide, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
41
초록▼
A disposable undergarment includes a body chassis member elongatable in at least a first direction between at least a first condition and second condition. The body chassis member has a greater elongation when in the second condition than when in the first condition. The disposable undergarment furt
A disposable undergarment includes a body chassis member elongatable in at least a first direction between at least a first condition and second condition. The body chassis member has a greater elongation when in the second condition than when in the first condition. The disposable undergarment further includes a crotch member detachably connected to the body chassis member at at least one attachment location. At least a portion of the at least one attachment location is detached as the body chassis member is elongated between the first and second conditions. In one preferred embodiment, the crotch member includes an absorbent component. Methods of using the undergarment and of instructing a user about the use of the garment are also provided.
대표청구항▼
1. A disposable undergarment comprising: a body chassis member elongatable in at least a first direction between at least a first condition and second condition, wherein said body chassis member has a greater elongation when in said second condition than when in said first condition; anda crotch mem
1. A disposable undergarment comprising: a body chassis member elongatable in at least a first direction between at least a first condition and second condition, wherein said body chassis member has a greater elongation when in said second condition than when in said first condition; anda crotch member detachably connected to said body chassis member at a plurality of detachable attachment locations, wherein at least a portion of each of said plurality of attachment locations is detachable from an attached configuration to a detached configuration in response to said elongation of said body chassis member between said first and second conditions;wherein said crotch member comprises opposite side portions spaced apart in said first direction and a centerline disposed therebetween, wherein at least two of said plurality of detachable attachment locations are spaced apart in said first direction between said centerline and one of said opposite side portions, and wherein each of said at least some of said plurality of detachable attachment locations have a detachment strength, wherein said detachment strengths of said at least some of said plurality of detachable attachment locations spaced apart between said centerline and said one of said opposite side portions become progressively stronger between said one of said opposite side portions and said centerline. 2. A disposable undergarment comprising: a body chassis member elongatable in at least a first direction between a relaxed condition and an elongated condition in response to an application of a tensile force in said first direction; anda crotch member connected to said body chassis member at a plurality of attachment locations spaced apart in said first direction, wherein said crotch member is detachable from said body chassis member at at least a portion of one of said plurality of attachment locations in response to an application of a detaching shear force in said first direction, wherein said tensile force is greater than said detaching shear force, wherein said crotch member comprises opposite side portions spaced apart in said first direction and a centerline disposed therebetween, wherein at least two of said plurality of attachment locations are spaced apart in said first direction between said centerline and one of said opposite side portions, and wherein each of said at least some of said plurality of attachment locations have a detachment strength, wherein said detachment strengths of said at least some of said plurality of attachment locations spaced apart between said centerline and said one of said opposite side portions become progressively stronger between said one of said opposite side portions and said centerline. 3. A method of using a disposable undergarment comprising: providing an elongatable body chassis member in a relaxed condition and a crotch member detachably connected to said body chassis member at a plurality of detachable attachment locations spaced apart in a first direction;elongating said body chassis member in said first direction from said relaxed condition to an elongated condition;and thereby detaching said crotch member from said body chassis member at at least a portion of at least one of said plurality of detachable attachment locations in response to said elongating said body chassis member in said first direction;wherein said crotch member comprises opposite side portions spaced apart in said first direction and a centerline disposed therebetween, wherein at least some of said plurality of detachable attachment locations are spaced apart in said first direction between said centerline and one of said opposite side portions and wherein said plurality of detachable attachment locations each have a detachment strength, wherein said detachment strengths of said at least some of said plurality of detachable attachment locations spaced apart between said centerline and said one of said opposite side portions become progressively stronger between said one of said opposite side portions and said centerline, and wherein said detaching said crotch member from said body chassis member at said at least said portion of said at least one of said plurality of attachment locations comprises successively detaching said crotch member from said body chassis member at at least some of said plurality of detachable attachment locations between said one of said opposite side portions and said centerline. 4. The method of claim 3 wherein said body chassis member comprises an outer cover defining front and rear body panels and a crotch portion extending therebetween, and wherein said crotch member comprises an absorbent insert. 5. The method of claim 4 wherein said body chassis further comprises an body side liner connected to said outer cover with said absorbent insert sandwiched therebetween. 6. The method of claim 4 wherein said absorbent insert is secured to a bodyside surface of said outer cover. 7. The method of claim 3 wherein said body chassis member comprises a front body panel and a rear body panel each having a terminal crotch edge, wherein said terminal crotch edges of said front and rear body panel are spaced apart in a second direction so as to form a gap therebetween, and wherein said crotch member bridges said gap and includes opposite end portions overlying and secured to said front and rear body panels, wherein at least one of said opposite end portions of said crotch member is detachably connected to at least one of said front and rear body panels at said at least one attachment location. 8. The method of claim 7 wherein each of said opposite end portions of said crotch member are detachably connected to said front and rear body panels at at least one front attachment location and at at least one rear attachment location respectively. 9. The method of claim 3 wherein elongating said body chassis member in said first direction from said relaxed condition to said elongated condition comprising applying a tensile force to said body chassis member in said first direction, and wherein said detaching said crotch member from said body chassis member at said at least said portion of said at least one attachment location comprises applying a shear force between said crotch member and said body chassis member at said at least said portion of said at least one attachment location, wherein said tensile force is greater than said shear force. 10. The disposable undergarment of claim 1 wherein said at least one attachment has a detachment strength of between 20 grams/cm and 300 grams/cm. 11. The disposable undergarment of claim 2 wherein said at least one attachment location has a detachment strength of between 20 grams/cm and 300 grams/cum. 12. The disposable undergarment of claim 1 wherein said crotch member is detachably connected to said body chassis member at said at least one attachment location when said body chassis member is in said first condition, wherein said first condition is a relaxed, unstretched condition. 13. The disposable undergarment of claim 2 wherein said crotch member is detachably connected to said body chassis member at said at least one attachment location when said body chassis member is in said first condition, wherein said first condition is a relaxed unstretched condition. 14. The disposable undergarment of claim 1 wherein said crotch member comprises at least a retention portion and a layer separate from said retention portion, wherein said layer is detachably connected to said body chassis member, and wherein said retention portion and said layer both comprise free edges spaced apart in said first direction and defining the outermost side portions of said retention portion and said layer respectively, with said retention portion and said layer are both free of any longitudinally extending folds allowing expansion of said retention portion and said layer in said first direction. 15. The disposable undergarment of claim 2 wherein said crotch member comprises at least a retention portion and a layer separate from said retention portion, wherein said layer is detachably connected to said body chassis member, and wherein said retention portion and said layer both comprise free edges spaced apart in the first direction and defining the outermost side portions of said retention portion and said layer respectively, with said retention portion and said layer are both free of any longitudinally extending folds allowing expansion of said retention portion and said layer in said first direction. 16. A disposable undergarment comprising: a body chassis member elongatable in at least a first direction between at least a first condition and second condition, wherein said body chassis member has a greater elongation when in said second condition than when in said first condition; anda crotch member detachably connected to said body chassis member at at least one attachment location, wherein at least a portion of said at least one attachment location is detachable from an attached configuration to a detached configuration in response to said elongation of said body chassis member between said first and second conditions, and wherein said at least one attachment location extends longitudinally along a second direction substantially perpendicular to said first direction, wherein a portion of said crotch member overlaps said body chassis member, wherein said at least one attachment location extends longitudinally along said second direction an entire length of the overlapping portion of the crotch member and said body chassis member. 17. The disposable undergarment of claim 1 wherein said at least one attachment location is formed in a linear configuration having an overall length greater than a width thereof. 18. The disposable undergarment of claim 1 wherein said at least one attachment location comprises a plurality of intermittent portions of attachment longitudinally spaced apart along said second direction. 19. A method of using a disposable undergarment comprising: providing an elongatable body chassis member in a relaxed condition and a crotch member detachably connected to said body chassis member at at least one attachment location, wherein a portion of said crotch member overlaps said body chassis member, wherein said at least one attachment location extends longitudinally along said second direction an entire length of the overlapping portion of said crotch member and said body chassis member; andelongating said body chassis member in a first direction from said relaxed condition to an elongated condition; andthereby detaching said crotch member from said body chassis member at at least a portion of said at least one attachment location in response to said elongating said body chassis member in said first direction, wherein said at least one of said plurality of attachment locations location extends longitudinally along a second direction substantially perpendicular to said first direction. 20. The method of claim 3 wherein said at least one attachment location is formed in a linear configuration having an overall length greater than a width thereof. 21. The method of claim 3 wherein said at least one attachment location comprises a plurality of intermittent portions of attachment longitudinally spaced apart along said second direction. 22. The method of claim 3, wherein said detachment strengths are each between 20 grams and 300 grams per five centimeters of width in accordance with Test Procedure. 23. The article of claim 1, wherein said detachment strengths are each between 20 grams and 300 grams per five centimeters of width in accordance with Test Procedure. 24. The article of claim 2, wherein said detachment strengths are each between 20 grams and 300 grams per five centimeters of width in accordance with Test Procedure. 25. The disposable undergarment of claim 1 wherein said at least one attachment location extends longitudinally along a second direction substantially perpendicular to said first direction. 26. The disposable undergarment of claim 1 wherein said first condition is a relaxed condition. 27. The disposable undergarment of claim 1 wherein said crotch member remains attached to said body chassis member at at least one of said plurality of attachment locations as said body chassis member is elongated between said first and second conditions. 28. The disposable undergarment of claim 1 wherein said body chassis member comprises an outer cover defining front and rear body panels and a crotch portion extending therebetween, and wherein said crotch member comprises an absorbent insert. 29. The disposable undergarment of claim 28 wherein said body chassis further comprises a body side liner connected to said outer cover with said absorbent insert sandwiched therebetween. 30. The disposable undergarment of claim 28 wherein said absorbent insert is secured to a bodyside surface of said outer cover. 31. The disposable undergarment of claim 1 wherein said body chassis member comprises a front body panel and a rear body panel each having a terminal crotch edge, wherein said terminal crotch edges of said front and rear body panel are spaced apart in a second direction so as to form a gap therebetween, and wherein said crotch member bridges said gap and includes opposite end portions overlying and secured to said front and rear body panels, wherein at least one of said opposite end portions of said crotch member is detachably connected to at least one of said front and rear body panels at said at least one attachment location. 32. The disposable undergarment of claim 31 wherein each of said opposite end portions of said crotch member are detachably connected to said front and rear body panels at at least one front attachment location and at at least one rear attachment location respectively. 33. The disposable undergarment of claim 1 wherein said body chassis member is elongatable between said at least said first condition and said second condition in response to an application of a tensile force in said first direction, and wherein said crotch member is detachable from said body chassis member at said at least said portion of said attachment location in response to an application of a detaching shear force between said body chassis member and said crotch member in said first direction, wherein said tensile force is greater than said detaching shear force. 34. The disposable undergarment of claim 2 wherein each of said plurality of attachment locations extends longitudinally along a second direction substantially perpendicular to said first direction. 35. The disposable undergarment of claim 2 wherein said crotch member remains attached to said body chassis member at at least one of said plurality of attachment locations as said body chassis member is elongated between said relaxed and elongated conditions. 36. The method of claim 3 wherein said at least one of said plurality of attachment locations extends longitudinally along a second direction substantially perpendicular to said first direction.
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