Preformed yarn useful in forming composite articles and process of producing same
US4772502A · kind A · utility
19Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1987 |
| Grant date | Sep 20, 1988 |
| Priority date | — |
| Expiry date | Jul 29, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A preformed yarn useful in forming fiber-reinforced carbon composite articles is disclosed which includes a core of a multiplicity of inorganic reinforcing fibers, a mixed powder provided in the interstices between the fibers and including a finely divided carbonaceous binder pitch and a finely divided coke, and a flexible sleeve formed of a thermoplastic resin and surrounding the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.