IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0101509
(2002-03-19)
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발명자
/ 주소 |
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출원인 / 주소 |
- Kimberly Clark Worldwide, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
22 인용 특허 :
37 |
초록
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An primary liquid retention layer suitable for use in an incontinence garment includes a plurality of pleats defined by fold lines in at least one region of the composite. The fold lines are oriented in a first direction. The primary liquid retention layer is stretchable in a second direction perpen
An primary liquid retention layer suitable for use in an incontinence garment includes a plurality of pleats defined by fold lines in at least one region of the composite. The fold lines are oriented in a first direction. The primary liquid retention layer is stretchable in a second direction perpendicular to the fold lines, between a first position where the pleats are substantially folded and a second position where the pleats are substantially unfolded or extended due to liquid loading, while the primary liquid retention layer remains substantially in the plane of the garment so as to not distort the wetted appearance of the garment.
대표청구항
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I claim: 1. An incontinence garment, comprising: a liquid-permeable body side liner; a substantially liquid-impermeable outer cover; and a primary liquid retention layer between the body side liner and the outer cover; the primary liquid retention layer being folded therethrough to form a plurality
I claim: 1. An incontinence garment, comprising: a liquid-permeable body side liner; a substantially liquid-impermeable outer cover; and a primary liquid retention layer between the body side liner and the outer cover; the primary liquid retention layer being folded therethrough to form a plurality of pleats defined by fold lines, the pleats having a folded and an unfolded position; wherein each of the pleats comprises two substantially rectangular and equally sized surfaces; the primary liquid retention layer being expandable in a direction perpendicular to the fold lines when the pleats absorb liquid; and wherein the primary liquid retention layer comprises two layers of nonwoven fibers and superabsorbent material between the layers, the two layers of nonwoven fibers being joined at the fold lines of the pleats so that the primary liquid retention layer may extend and retract along a plane like an accordion. 2. The incontinence garment of claim 1, whereby the primary liquid retention layer expands substantially in the plane of the garment when absorbing liquid. 3. The incontinence garment of claim 1, the primary liquid retention layer providing a liquid absorption capacity of at least 200 ml. 4. The incontinence garment of claim 1, wherein the primary liquid retention layer has a basis weight of at least 200 gsm. 5. The incontinence garment of claim 1, wherein the primary liquid retention layer contains at least 20% by weight superabsorbent material. 6. The incontinence garment of claim 1, wherein the primary liquid retention layer comprises a fibrous web of thermoplastic filaments or cellulose fibers or both. 7. The incontinence garment of claim 1, wherein the pleats have a surface depth of about 0.1-5 cm. 8. The incontinence garment of claim 1, wherein the pleats have a surface depth of about 0.3-3 cm. 9. The incontinence garment of claim 1, wherein the pleats have a surface depth of about 0.5-2 cm. 10. The incontinence garment of claim 1, further including an elastic sheet bonded to the primary liquid retention layer, whereby the primary liquid retention layer may expand and retract. 11. The incontinence garment of claim 1, wherein the primary liquid retention layer comprises a central region and two end regions, with pleats in the central region which are defined by laterally oriented fold lines. 12. The incontinence garment of claim 11, wherein the pleats further comprise pleats in the end regions which are defined by longitudinally oriented fold lines. 13. The incontinence garment of claim 1, wherein the primary liquid retention layer comprises a mixture of thermoplastic nonwoven filaments and superabsorbent particles or fibers. 14. The incontinence garment of claim 1, wherein the layers of nonwoven fibers comprise thermoplastic nonwoven filaments. 15. The incontinence garment of claim 14, further comprising absorbent fibers between the layers of nonwoven fibers. 16. The incontinence garment of claim 1, wherein a) the primary liquid retention layer expands substantially in the plane of the garment when absorbing liquid; b) the primary liquid retention layer provides a liquid absorption capacity of at least 200 ml; c) the primary liquid retention layer has a basis weight of at least 200 gsm, and d) the primary liquid retention layer contains at least 20% by weight superabsorbent material. 17. The incontinence garment of claim 16, further including an elastic sheet bonded to the primary liquid retention layer. 18. The incontinence garment of claim 16, wherein the primary liquid retention layer comprises a central region and two end regions, with pleats in the central region which are defined by laterally oriented fold lines. 19. The incontinence garment of claim 1 wherein the primary liquid retention layer provides an area absorption capacity of at least 2 gm of liquid per square cm of surface area. 20. An incontinence garment, comprising: a liquid-permeable body side liner; a substantially liquid-impermeable outer cover; and a primary liquid retention layer between the body side liner and the outer cover; the primary liquid retention layer having a plurality of pleats defined by fold lines, the pleats having a folded and an unfolded position; wherein each of the pleats comprises two substantially rectangular and equally sized surfaces; the primary liquid retention layer being expandable in a direction perpendicular to the fold lines when the pleats absorb liquid; wherein the primary liquid retention layer comprises a central region and two end regions, and pleats in the central region defined by laterally oriented fold lines; and wherein the primary liquid retention layer comprises two layers of nonwoven fibers and superabsorbent material between the layers, the two layers of nonwoven fibers being joined at the fold lines of the pleats so that the primary liquid retention layer may extend and retract along a plane like an accordion. 21. The incontinence garment of claim 20, wherein the primary liquid retention layer comprises a mixture of thermoplastic nonwoven filaments and superabsorbent particles or fibers. 22. The incontinence garment of claim 20, wherein the layers of nonwoven fibers comprise thermoplastic nonwoven filaments. 23. The incontinence garment of claim 22, further comprising absorbent fibers between the layers of nonwoven fibers. 24. The incontinence garment of claim 20, wherein the primary liquid retention layer further comprises absorbent fibers. 25. The incontinence garment of claim 20, the primary liquid retention layer providing a liquid absorption capacity of at least 200 ml. 26. The incontinence garment of claim 20, wherein the primary liquid retention layer has a basis weight of at least 200 gsm. 27. The incontinence garment of claim 20, wherein the primary liquid retention layer contains at least 20% by weight superabsorbent material. 28. The incontinence garment of claim 20 wherein the primary liquid retention layer provides an area absorption capacity of at least 2 gm of liquid per square cm of surface area. 29. An incontinence garment, comprising: a liquid-permeable body side liner; a substantially liquid-impermeable outer cover; and a primary liquid retention layer between the body side liner and the outer cover; the primary liquid retention layer having a plurality of pleats defined by fold lines, the pleats having a folded and an unfolded position; wherein each of the pleats comprises two substantially rectangular and equally sized surfaces; the primary liquid retention layer being expandable in a direction perpendicular to the fold lines when the pleats absorb liquid; and wherein the primary liquid retention layer provides a liquid absorption capacity of at least 200 ml; the primary liquid retention layer has a basis weight of at least 200 gsm, and the primary liquid retention layer contains at least 20% by weight superabsorbent material; the primary liquid retention layer comprises a central region and two end regions, and pleats in the central region defined by laterally oriented fold lines; and wherein the primary liquid retention layer comprises two layers of nonwoven fibers and the superabsorbent material between the layers, the two outer layers of nonwoven fibers being joined at the fold lines of the pleats so that the primary liquid retention layer may extend and retract along a plane like an accordion. 30. The incontinence garment of claim 29, wherein the primary liquid retention layer comprises a mixture of thermoplastic nonwoven filaments and superabsorbent particles or fibers. 31. The incontinence garment of claim 30, wherein the primary liquid retention layer further comprises absorbent fibers. 32. The incontinence garment of claim 29 wherein the primary liquid retention layer provides an area absorption capacity of at least 2 gm of liquid per square cm of surface area.
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