Process for producing thermoplastic resins reinforced with long fibers
US4937028A · kind A · utility
31Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Apr 21, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/251
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process is provided for producing thermoplastic resins reinforced with long fibers in which rovings are impregnated with a wetting thermoplastic polymer by means of a die and a baffle zone, then taking up the impregnated rovings in a second die where they are then covered with a thermoplastic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.