Flexible composite material and process for producing same
US4614678A · kind A · utility
65Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1984 |
| Grant date | Sep 30, 1986 |
| Priority date | — |
| Expiry date | Jun 25, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Composite material comprising a flexible sheath covering a roving of fibers impregnated to the core with a finely powdered thermoplastic, the melting point of which thermoplastic is equal to or greater than that of the sheathing material, together with process and apparatus for producing same by using an extrusion coating technique, the coating die being mounted on a leakproof powder fluidization tank via a blowing chamber thermally insulated from the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.