Hot-melt prepreg tow process

Details Hot-melt prepreg tow process Hot-melt prepreg tow process

1986-12-17

1989-02-14

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

264237, 264280, 264348, 427209, 427211, 4273982, 427428, B29B 712, B29C 3516

Patent

active

048045098

ABSTRACT:
Process for producing resin-impregnated fiber tow or strand in the form of prepreg tape which includes unique coating wheels for surface-coating the strand with molten, flowable resin and a kneading section to work the strand and disperse the molten resin uniformly among and between the individual fibers of the strand. The strand, after chilling, has good dimensional stability and is useful as prepreg in forming composite structures.

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patent: 4588538 (1986-05-01), Chung et al.
patent: 4643126 (1987-02-01), Wilkinson et al.
patent: 4728387 (1988-03-01), Hilakos

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