Molded plastic article and method of making the same
US4123488A · kind A · utility
Inventor
Key dates
| Filing date | Sep 6, 1977 |
| Grant date | Oct 31, 1978 |
| Priority date | — |
| Expiry date | Sep 6, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A composite molded article composed of a backing layer of fiber-reinforced thermosetting resin and an outer layer of a thermoplastic resin which is mechanically interlocked to the backing layer through the fiber reinforcement. In fabrication, a layer of fibrous material impregnated with an uncured thermosetting resin is placed in a mold and a molten thermoplastic resin is injected into the mold. The heat of the thermoplastic resin serves to cure the thermosetting resin and the resulting composite article has a rigid, high strength backing formed of the reinforced thermosetting resin and has a smooth thermoplastic outer surface which is receptive to surface finishes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.