Absorbent article with liquid shrinkable elements
US6293935A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1999 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | Jan 13, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/47263
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent article (1) comprising a liquid permeable top layer (10), a liquid impermeable back layer (20), and a liquid retentive absorbent member (30) interposed between the top layer (10) and the back layer (20), wherein the absorbent member (30) includes an absorbent sheet (31) having a thickness of 0.3 mm to 5 mm, the absorbent sheet being arranged such that a barrier cuff having a prescribed width is formed at the central portion of the top layer in the widthwise direction thereof, wherein said absorbent member is provided with liquid shrinkable members, which can elastically shrink upon the absorption of the liquid at the surface of said absorbent member facing said top layer and/or inside said absorbent member and in the vicinity of said surface, such that said absorbent member elastically shrinks over a prescribed length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.