Friction material designed for fitting to a device employing friction in a liquid medium, and the method of producing such a friction material and the device to which it is fitted
US5807518A · kind A · utility
11Cited by
15References
6Claims
0Family size
Inventors
Key dates
| Filing date | Nov 27, 1995 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Nov 27, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/671
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A friction material for a liquid medium consists of a fibre mat impregnated with a thermosetting resin, the fibres having a length of at least 12 mm. The method of producing such a material includes the steps of providing a mixture of fibres, carding the mixture to form a card web, lapping the card web, needling the lapped card web for form a needled mat and impregnating the needled mat with a thermosetting resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.