Wet press felt to be used in papermaking machine
US5182164A · kind A · utility
67Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1989 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | May 25, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3537
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dewatering wet press felt to be used on papermaking machines and comprising at least one top layer made from staple fibers and the like and facing the paper web (4), and a second layer. The second layer constitutes a barrier layer of such a nature that during the compression phase in the press nip in the press section of the papermaking machine the water is forced through the second layer, but is prevented from flowing back to the top layer and the paper web during the expansion phase after the press nip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.