Absorbent article with an apertured multi-layered topsheet
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/475
A61F-013/511
A61F-013/512
A61F-013/513
A61F-013/51
출원번호
US-0646398
(2012-12-04)
등록번호
US-10213347
(2019-02-26)
국제출원번호
PCT/CN2012/085812
(2012-12-04)
국제공개번호
WO2014/085974
(2014-06-12)
발명자
/ 주소
Miao, Lin
Hao, Xueen George
Pu, Chun Lei
출원인 / 주소
Kimberly-Clark Worldwide, Inc.
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
0인용 특허 :
130
초록▼
An absorbent article (100-1200) is capable of providing comfort to the wearer and can maintain dryness and inhibit the leakage of fluid. The absorbent article (100-1200) includes a multi-layered topsheet (138). The multi-layered topsheet (138) includes a first topsheet layer (106) having an opening
An absorbent article (100-1200) is capable of providing comfort to the wearer and can maintain dryness and inhibit the leakage of fluid. The absorbent article (100-1200) includes a multi-layered topsheet (138). The multi-layered topsheet (138) includes a first topsheet layer (106) having an opening (148) and a second topsheet layer (108) disposed under the first topsheet layer (106). The first topsheet layer (106) and the second topsheet layer (108) are joined together by a seal that, in one embodiment, generally corresponds with the shape of the opening (148). Further, a first sub-topsheet layer (116) is situated beneath the multi-layered topsheet (138) and has an opening (150) that is smaller than the first topsheet layer opening (148). This combination of openings (148, 150) situated one below the other provides for an absorbent article (100-1200) that can maintain a high level of dryness and its ability to conform to the wearer's body, and inhibit the leakage of bodily fluids due to a funnel-like effect.
대표청구항▼
1. An absorbent article that extends in a plane defined by a longitudinal direction and a transverse direction, wherein the article comprises: a liquid permeable multi-layered topsheet having a length in the longitudinal direction, a width in the transverse direction, a longitudinal centerline, and
1. An absorbent article that extends in a plane defined by a longitudinal direction and a transverse direction, wherein the article comprises: a liquid permeable multi-layered topsheet having a length in the longitudinal direction, a width in the transverse direction, a longitudinal centerline, and a transverse centerline, wherein the multi-layered topsheet defines a body-facing surface of the absorbent article, the multi-layered topsheet comprising at least a first topsheet layer disposed above a second topsheet layer, wherein the first topsheet layer defines a first opening having a first perimeter, wherein the first topsheet layer and the second topsheet layer are joined by a seal, and further wherein the multi-layered topsheet extends in the longitudinal direction to define a distal end and an opposing proximal end of the absorbent article and in the transverse direction to define a first edge and an opposing second edge of the absorbent article;a liquid impermeable baffle, wherein the baffle defines a garment-facing surface of the absorbent article;a first sub-topsheet layer positioned between the second topsheet layer and the baffle, wherein the first sub-topsheet layer defines a second opening having a second perimeter, wherein the first perimeter surrounds the second perimeter; anda second sub-topsheet layer positioned between the first sub-topsheet layer and the baffle, wherein the second sub-topsheet layer has a shape that includes a first bulge facing the first edge in the transverse direction and a second bulge facing the second edge in the transverse direction, wherein the first bulge and the second bulge are visible from the body-facing surface of the absorbent article, and further wherein the second sub-topsheet layer defines a third opening having a third perimeter. 2. The absorbent article of claim 1, wherein the first opening has an ovular shape. 3. The absorbent article of claim 1, wherein the first opening has an oblong shape, wherein the first perimeter is defined by one or more protrusions in the longitudinal direction and one or more protrusions in the transverse direction. 4. The absorbent article of claim 1, wherein the multi-layered topsheet comprises an embossed region, wherein the embossed region surrounds the first opening. 5. The absorbent article of claim 4, wherein the embossed region has a shape that corresponds with the perimeter of the first opening. 6. The absorbent article of claim 1, wherein the first opening is in alignment with the longitudinal centerline. 7. The absorbent article of claim 6, wherein the first opening is in alignment with the transverse centerline. 8. The absorbent article of claim 6, wherein the first opening is located towards the distal end or proximal end of the first topsheet layer. 9. The absorbent article of claim 1, wherein the first opening has a length that is from about 15% to about 80% of the length of the first topsheet layer. 10. The absorbent article of claim 1, wherein the first opening has a width that is from 20% to about 80% of the width of the first topsheet layer. 11. The absorbent article of claim 1, wherein the seal is continuous. 12. The absorbent article of claim 1, wherein the seal is formed by an adhesive bond, a pressure bond, a thermal bond, an ultrasonic bond, or a combination thereof. 13. The absorbent article of claim 4, wherein at least a portion of the seal is coextensive with the embossed region. 14. The absorbent article of claim 1, wherein the first topsheet layer is disposed above the second topsheet layer at the distal end, the proximal end, the first edge, and the second edge of the absorbent article. 15. The absorbent article of claim 1, wherein at least one printed graphic is visible from the body-facing surface of the absorbent article along each of the distal end, proximal end, first edge, and second edge of the absorbent article. 16. The absorbent article of claim 1, wherein the length of the second topsheet layer ranges from about 30% to about 100% of the length of the first topsheet layer. 17. The absorbent article of claim 1, wherein the width of the second topsheet layer ranges from about 10% to about 100% of the width of the first topsheet layer. 18. The absorbent article of claim 1, wherein a first liquid permeable layer is positioned between the second topsheet layer and the first sub-topsheet layer. 19. The absorbent article of claim 1, wherein a second liquid permeable layer is positioned between the first sub-topsheet layer and the baffle, wherein a pattern is printed on the second liquid permeable layer such that the pattern is visible from the body-facing surface of the absorbent article. 20. The absorbent article of claim 1, wherein a portion of the second topsheet layer is exposed beneath the first opening, further wherein the seal corresponds with the first perimeter. 21. The absorbent article of claim 1, wherein the second topsheet layer defines a fourth opening having a fourth perimeter and the absorbent article further comprises a third topsheet layer, wherein the third topsheet layer is disposed between the second topsheet layer and the first sub-topsheet layer. 22. The absorbent article of claim 21, wherein the first perimeter surrounds the fourth perimeter, further wherein the seal corresponds with the first perimeter. 23. The absorbent article of claim 21, wherein the fourth perimeter surrounds the first perimeter, further wherein the seal corresponds with the fourth perimeter. 24. The absorbent article of claim 1, wherein an absorbent core is disposed between the first sub-topsheet layer and the baffle. 25. The absorbent article of claim 1, further comprising a distal end sub-topsheet layer positioned at the distal end of the absorbent article between the second topsheet layer and the baffle, wherein the first topsheet layer defines a fifth opening having a fifth perimeter, wherein the distal end sub-topsheet layer exists in the same plane as the first sub-topsheet layer and has an ovular shape. 26. An absorbent article that extends in a plane defined by a longitudinal direction and a transverse direction, wherein the absorbent article comprises, in sequential order from a body-facing surface to a garment facing surface of the absorbent article, the following: a liquid permeable multi-layered topsheet, wherein the liquid permeable multi-layered topsheet comprises a first topsheet layer disposed above a second topsheet layer, wherein the first topsheet layer defines a first opening having a first perimeter, wherein the first topsheet layer and the second topsheet layer are joined by a seal, and further wherein the multi-layered topsheet extends in the longitudinal direction to define a distal end and an opposing proximal end of the absorbent article and in the transverse direction to define a first edge and an opposing second edge of the absorbent article, wherein at least one printed graphic is present on the first topsheet layer and visible from the body-facing surface of the absorbent article along each of the distal end, proximal end, first edge, and second edge of the absorbent article;a first liquid permeable surge layer;a first sub-topsheet layer, wherein the first sub-topsheet layer defines a second opening having a second perimeter, wherein the first perimeter surrounds the second perimeter;a second liquid permeable surge layer, wherein a pattern is printed on the second liquid permeable surge layer such that the pattern is visible from the body-facing surface of the absorbent article;an absorbent core;a liquid impermeable baffle; anda second sub-topsheet layer positioned between the first sub-topsheet layer and the baffle, wherein the second sub-topsheet layer has a shape that includes a first bulge facing the first edge in the transverse direction and a second bulge facing the second edge in the transverse direction, wherein the first bulge and the second bulge are visible from the body-facing surface of the absorbent article, and further wherein the second sub-topsheet layer defines a third opening having a third perimeter.
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