Amorphous carbon-coated carbon fabric wet friction material
US5952249A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1996 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Dec 17, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2984
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a novel amorphous carbon-coated carbon fabric which comprises a single ply of a woven carbon fabric comprising interwoven strands of yarn. The yarn strands are formed of bundles of individual fibers and have amorphous carbon disposed between the individual fibers. The present invention also relates to a method of forming an amorphous carbon-coated carbon fabric. The method comprises the steps of (1) impregnating a woven carbon fabric with a resin; and (2) heating the resulting resin-impregnated carbon fabric to a temperature which is sufficient to char the resin to form a residue of amorphous carbon, thereby forming an amorphous carbon-coated carbon fabric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.