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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0100059 (2013-12-09) |
등록번호 | US-10022280 (2018-07-17) |
우선권정보 | EP-12196341 (2012-12-10) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 737 |
An absorbent article comprising a pair of leg cuffs (32) with an raised section (34) and an absorbent core (28) comprising at least one channel (26, 26′) at least partially oriented in the longitudinal direction (80) of the article. The article has crotch width (Wd) before use as measured between th
An absorbent article comprising a pair of leg cuffs (32) with an raised section (34) and an absorbent core (28) comprising at least one channel (26, 26′) at least partially oriented in the longitudinal direction (80) of the article. The article has crotch width (Wd) before use as measured between the proximal edges of the leg cuffs at the level of the crotch point of from to 70 mm to 200 mm, and a Relative Crotch Width Reduction (RCWR) of at least 30 mm/kg.
1. An absorbent article comprising a front edge, a back edge, a longitudinal axis extending in a longitudinal direction of the article, a length L as measured along the longitudinal axis from the front edge to the back edge, and a crotch point defined as the point placed at a distance two fifths of
1. An absorbent article comprising a front edge, a back edge, a longitudinal axis extending in a longitudinal direction of the article, a length L as measured along the longitudinal axis from the front edge to the back edge, and a crotch point defined as the point placed at a distance two fifths of L from the front edge of the article on the longitudinal axis, the absorbent article comprising: a liquid permeable topsheet;a liquid impermeable backsheet;a pair of barrier leg cuffs extending at least partially between the front edge and the back edge of the absorbent article on opposite sides of the longitudinal axis and present at least at the longitudinal position of the crotch point, each barrier leg cuff being delimited by a proximal edge joined directly or indirectly to the topsheet or the backsheet and a free terminal edge; an absorbent core disposed between the topsheet and backsheet and comprising a core wrap enclosing an absorbent material, wherein the absorbent material comprises at least 80% of superabsorbent polymers by weight of the absorbent material, wherein the absorbent core comprises at least one longitudinally extending channel formed by continuously bonding a top side of the core wrap through a bottom side of the core wrap; wherein the at least one channel is continuous in the longitudinal direction and is defined by continuous side portions extending in the longitudinal direction and wherein the width of a portion of the channel is at least 2 mm;wherein the article has a Relative Crotch Width Reduction (RCWR) of from 30 mm/kg to 51 mm/kg, wherein the RCWR is calculated according to the formula: RCWR=Wd-WwMw-Mdwherein Wd is the dry crotch width, wherein Ww is the wet crotch width at the crotch point, wherein Mw is the wet mass of the article, wherein Md is the dry mass of the article, wherein the measurements are made as indicated according to RCWR Test, and wherein the article has a dry crotch width Wd of from 70 mm to 200 mm,wherein the absorbent core is joined to the backsheet;wherein the article comprises a back region, a front region, and a crotch region between the front region and the back region, and wherein the longitudinally extending channel exists within the crotch region and the front region and is transversely disposed from the longitudinal axis of the article; andwherein the longitudinally extending channel is substantial free of absorbent material. 2. The absorbent article of claim 1, wherein the RCWR is from 32 mm/kg to 150 mm/kg. 3. The absorbent article of claim 2, wherein the RCWR is from 35 mm/kg to 100 mm/kg. 4. The absorbent article of claim 1, comprising a pair of channels. 5. The absorbent article of claim 4, wherein the channels of the pair of channels are symmetrically disposed relative to the longitudinal axis. 6. The absorbent article of claim 1, wherein the at least one channel has a length projected on the longitudinal axis of the article which is at least 10% of the length L of the absorbent article. 7. The absorbent article of claim 1, wherein the core wrap comprises a first nonwoven and a second nonwoven, and wherein the first nonwoven forms a C-wrap around the second non-woven. 8. The absorbent article of claim 1, wherein the absorbent article comprises an acquisition-distribution system comprising one or more layers, and wherein the acquisition-distribution system is at least partially disposed between the absorbent core and the topsheet. 9. The absorbent article of claim 8, wherein the acquisition-distribution system comprises at least one layer comprising at least 50% by weight of the layer of cross-linked cellulose fibers. 10. The absorbent article of claim 1, wherein the periphery of the absorbent material within the core wrap defines an absorbent material deposition area, and wherein the absorbent material deposition area is rectangular or is shaped with a width narrower at the crotch point than the maximum width of the absorbent material deposition area. 11. The absorbent article of claim 1, wherein the absorbent core comprises a first absorbent layer and a second absorbent layer, wherein the first absorbent layer comprises a first substrate and a first layer of superabsorbent polymers, wherein the second absorbent layer comprises a second substrate and a second layer of superabsorbent polymers, wherein the absorbent core comprises a fibrous thermoplastic adhesive material at least partially bonding the layers of superabsorbent polymers to their respective substrates, and wherein the first substrate and the second substrate form the core wrap. 12. The absorbent core of claim 1, wherein the absorbent material of the absorbent core comprises at least 90% of superabsorbent polymers by total weight of the absorbent material. 13. The absorbent article of claim 1, wherein the absorbent material of the absorbent core comprises 10% or less of natural or synthetic fibers by total weight of the absorbent material. 14. The absorbent article of claim 13, wherein the absorbent material of the absorbent core is substantially free of natural or synthetic fibers. 15. The absorbent article of claim 1, wherein the basis weight of the superabsorbent polymers is not homogenously distributed along the longitudinal axis of the core. 16. The absorbent article of claim 1, wherein the absorbent core comprises from 5 g to 60 g of superabsorbent polymers. 17. The absorbent article of claim 1, wherein the absorbent core comprises from 10 g to 50 g of superabsorbent polymers. 18. The absorbent article of claim 1, wherein the caliper of the article, as measured at the crotch point according to the Caliper Test, is from 5 mm to 12 mm.
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