Spring members
US5678809A · kind A · utility
29Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1995 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Dec 29, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/95
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A spring member made of a carbon fibers/carbon composite material in which carbon fibers are dispersed in a matrix of graphite, The spring member has a spring constant in a range of 0.1 to 25 kg/mm and a density of about 1.5 to 3.0 g/cm.sup.3. For use in high temperature severe conditions a ceramic material is incorporated into the surface of the spring member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.