Disposable absorbent article with masking topsheet having one or more openings providing a passageway to a void space
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/15
A61F-013/20
출원번호
US-0853348
(2010-08-10)
등록번호
US-8414553
(2013-04-09)
우선권정보
EP-02024889 (2002-11-08)
발명자
/ 주소
Schuehle (Née Hoffmann), Anja
Mueller, Joerg
Opper, Heike
Pescher, Georg
Schmidt, Mattias
출원인 / 주소
The Procter & Gamble Company
대리인 / 주소
Matson, Charles R.
인용정보
피인용 횟수 :
0인용 특허 :
120
초록▼
The present invention relates to a disposable absorbent article, such as a diaper, training pants, adult incontinence article, having a specific topsheet with an opening to receive bowel movement waste (BM) and which is such that it masks the waste present underneath said topsheet. The topsheet is a
The present invention relates to a disposable absorbent article, such as a diaper, training pants, adult incontinence article, having a specific topsheet with an opening to receive bowel movement waste (BM) and which is such that it masks the waste present underneath said topsheet. The topsheet is air permeable and it has a uniform pore size distribution with small pores only and it has a low surface energy and therefore an alcohol repellency of at least 7, typically at least 9 or even preferably 10.
대표청구항▼
1. An absorbent article having a longitudinal axis and a lateral axis, the absorbent article comprising: a backsheet;a topsheet including an inner surface and an outer surface, wherein the inner surface faces the backsheet and wherein the outer surface is disposed opposite the outer surface;a means
1. An absorbent article having a longitudinal axis and a lateral axis, the absorbent article comprising: a backsheet;a topsheet including an inner surface and an outer surface, wherein the inner surface faces the backsheet and wherein the outer surface is disposed opposite the outer surface;a means for receiving bodily exudates positioned between the topsheet and the backsheet;a slit opening in the topsheet and disposed along the longitudinal axis, wherein the slit opening is configured to allow bodily exudates to pass through the slit opening to the means for receiving bodily exudates;wherein said topsheet further comprises a sheet of fibrous material having pores with a uniform pore size distribution and with a maximum pore size of less than 100 μm; andwherein the slit opening is unobstructed by the sheet of fibrous material, and wherein the topsheet has an air-permeability of at least 3 Darcy/mm, and wherein the topsheet has an alcohol repellency of at least 7.0. 2. The absorbent article of claim 1, wherein said topsheet has a BM rewet value of less than 4.5 g. 3. The absorbent article of claim 1, wherein the topsheet has a basis weight of less than 40 g/m2 and comprises a meltblown non-woven web. 4. The absorbent article of claim 1, wherein the pores of the topsheet have a mean pore size of less than 20 μm. 5. The absorbent article of claim 1, wherein the topsheet comprises a laminate of one or more spunbonded webs and one or more meltblown webs or one or more meltblown webs and one or more carded webs. 6. The absorbent article of claim 1, wherein the topsheet comprises a masking facilitating agent selected from fluorocarbon compounds or siloxane compounds. 7. The absorbent article of claim 1, wherein the slit opening has longitudinally opposing side edges, and one or more elasticated regions disposed along each of the side edges wherein the elasticated regions are longer than the side edges of the slit opening, extending longitudinally from said side edges, each elasticated region having one or more longitudinal extending elastic bands. 8. The absorbent article of claim 7, wherein the elasticated regions or a part thereof that faces the wearer's body in use, comprises a friction reducing agent. 9. The absorbent article of claim 8, wherein the friction reducing agent is a lotion or powder which comprises a talc. 10. The absorbent article of claim 8, wherein the friction reducing agent is a lotion or powder which comprises a wax. 11. The absorbent article of claim 1, further comprising an additional sheet, positioned between the topsheet and the backsheet, being a three-dimensional web of fibres, having a width, length and thickness (caliper) dimension, the web having bonded regions, where the fibers are bonded to one another, and unbonded regions, where the fibers are unbonded to one another, wherein the fibers extend from at least one bonded region through at least one unbonded region to at least one other bonded region and wherein the bonded regions form a support structure for the unbonded regions and the surface area of the unbonded regions is at least 2 mm2 and wherein the topsheet has a thickness (caliper) of between 0.1 and 5 mm. 12. The absorbent article of claim 1, wherein the disposable absorbent article is a diaper or training pants. 13. The absorbent article of claims 1, wherein the topsheet has an air permeability of at least 10 Darcy/mm and an alcohol repellency of at least 9. 14. The absorbent article of claim 1, wherein the topsheet has an air permeability of at least 10 Darcy/mm and a BM rewet value of less than 3.5 g. 15. The absorbent article of claim 1, wherein the pores of the topsheet have a mean pore size that is less than 17 μm. 16. The absorbent article of claim 1, wherein the pores of the topsheet have a mean pore size that is less than 13 μm. 17. The absorbent article of claim 1, wherein the pores of the topsheet have a mean pore size that is less than 10 μm. 18. The absorbent article of claim 1, wherein the topsheet has an air permeability of at least 20 Darcy/mm and an alcohol repellency of at least 10. 19. The absorbent article of claim 1, wherein the topsheet has an air permeability of at least 10 Darcy/mm and an alcohol repellency of at least 10.
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이 특허에 인용된 특허 (120)
Hirotsu Dennis O. (Cincinnati OH) Robertson Anthony J. (Madison WI), Absorbent article.
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