Friction material
US4861809A · kind A · utility
18Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1988 |
| Grant date | Aug 29, 1989 |
| Priority date | — |
| Expiry date | May 27, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D69/023
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A friction material containing from about 0.5-29 wt % of carbonaceous fibers with a bond nitrogen content of from about 14 to 21 wt %, an auxiliary material and a thermosetting resin. The material has good wear and temperature resistance characteristics and can be used in power transmissions and brakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.