Liquid-absorbing pad assembly and method of making same
US4961982A · kind A · utility
78Cited by
34References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 1989 |
| Grant date | Oct 9, 1990 |
| Priority date | — |
| Expiry date | Mar 15, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31826
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A liquid-absorbing pad assembly and method of making same are provided wherein such assembly comprises a top layer, a bottom waterproof layer, an absorbent layer between the top and bottom layers, and a multiple-purpose structure disposed between the absorbent layer and the top layer, such structure providing cushioning, means enabling immediate passage therethrough of liquid from the top layer, means substantially preventing reverse wicking of liquid that has passed through the structure, and a suspension which allows air to freely associate with the underside of said top layer for drying purposes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.