Pintle seamed press felt
US6213164A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Mar 11, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3724
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A multi-layer press felt for use in a papermaking machine which is formed by way of a pintle seam in at least the innermost layer. The felt includes a needled fibrous layer on at least its outer surface. Each fabric layer comprises MD monofilament yarns interlaced with CMD yarns forming the plurality of fabric layers each having loops at its opposed MD ends. The loops of the first of the fabric layers are intermeshed to receive the pintle forming the seam which forms the felt endless. Each of the loop portions of the at lease second of the fabric layers have a multi-filament stuffer yarn positioned therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.