Apertured covering sheet for an absorbent article and a method of producing the covering sheet
US7005558B1 · kind B1 · utility
153Cited by
22References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1997 |
| Grant date | Feb 28, 2006 |
| Priority date | — |
| Expiry date | Apr 25, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/512
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A liquid permeable covering sheet of an absorbent article such as a diaper, an incontinence protector, or a sanitary napkin which comprises an apertured textile material. The covering sheet has a plurality of holes, each of which is surrounded by an essentially liquid-type edge. The invention further comprises an absorbent article with a covering sheet according to the invention. A method of making the covering sheet by causing heated needles to penetrate a textile material layer comprising at one thermoplastic component is also covered by the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.