Continuous extrusion impregnation molded article process

Details Continuous extrusion impregnation molded article process Continuous extrusion impregnation molded article process

1993-08-11

1996-03-19

Arbes, Carl J.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

174 35MS, 428256, 428594, 428608, B21B 146

Patent

active

054994411

ABSTRACT:
This invention is directed to a process for preparing a molded thermoplastic fiber reinforced article having on at least one surface thereof a metal film and to a mold article prepared therefrom. The process comprises applying a first thermoplastic resin to at least one surface of a fiber mat core, then applying a metal film to at least one surface of the substrate of fiber mat core and thermoplastic resin and then molding the combination thereof under heat and pressure, preferably compression molding to form the finished article. A second thermoplastic resin may be applied to at least one surface of the combination of fiber mat core and first thermoplastic resin. Either the first and/or the second thermoplastic resin may be in film or molten form. If either or both are in film form, then it is preferable that the fiber mat core be heated prior to applying the film form of thermoplastic resin or at least the combination to preferably heated prior to molding thereof. The metal employed may be preferably copper or aluminum.

REFERENCES:
patent: 4716072 (1987-12-01), Kim
patent: 4859524 (1989-08-01), Kim et al.
patent: 4882114 (1989-11-01), Radvan et al.
patent: 4983247 (1991-01-01), Kim
patent: 5047198 (1992-09-01), Kim
patent: 5226210 (1993-07-01), Koskenmaki et al.

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