Paper machine felts
US4874660A · kind A · utility
8Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1988 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Apr 14, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3724
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an improved felt for a paper making machine having a batt formed from polyamide-12 needled to a woven base. The polyamide 12 batt may contain an antioxidant. The felts in accordance with the invention show much improved longevity and resistance to "flattening" in service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.