Method of making prepreg
US5609806A · kind A · utility
32Cited by
56References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1994 |
| Grant date | Mar 11, 1997 |
| Priority date | — |
| Expiry date | Jun 28, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2067/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A formable prepreg, and a method of making a formable prepreg by a pultrusion process. The method includes (a) impregnating reinforcing fiber with a thermosetting resin matrix, and (b) passing the resin impregnated reinforcing fiber through a die within which the resin impregnated reinforcing fiber is subjected to conditions sufficient to thicken the thermosetting resin matrix, to provide a formable prepreg. The present invention also provides a method of making a molded article using the prepreg of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.