Hot-melt prepreg tow apparatus

Details Hot-melt prepreg tow apparatus Hot-melt prepreg tow apparatus

1988-10-24

1991-08-06

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

And means to form or reshape preform

264135, 264136, 264280, 264348, 425115, 425348R, 425384, 425102, B29C 3918, B29C 4702

Patent

active

050372840

ABSTRACT:
Apparatus for producing resin-impregnated fiber tow or strand in the form of prepreg tape. The apparatus includes unique coating wheels for sunface-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: 4644950 (1987-02-01), Poterala

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