High temperature compressible support and gasket material
US4180211A · kind A · utility
23Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1974 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | May 30, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high-temperature compressible material especially useful in rocket motors to support nozzle ring inserts, the material including a binder which when pyrolyzed leaves a char having substantial strength, and fillers including carbonaceous fillers such as carbon fibers, wools, powders, etc., plus a special filler comprising hollow carbon microspheres which can crush to provide a compressibility to the material when it is confined in a volume-limiting environment, plus other fillers which may be added to obtain special yield characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.