Apparatus for compounding a fiber reinforced thermoplastic mater

Details Apparatus for compounding a fiber reinforced thermoplastic mater Apparatus for compounding a fiber reinforced thermoplastic mater

1993-05-26

1995-03-28

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

264108, 264148, 264174, 425121, 4251261, 425297, 425327, B29B 1104, B29B 1116, B29C 4318

Patent

active

054011540

ABSTRACT:
A twin screw extruder compounds a thermoplastic resin material with a randomly oriented fiber reinforcing material to produce a molten fiber reinforced thermoplastic extrusion from a die. The extrusion is cut into preforms which are immediately inserted into a compression mold for making parts. A unidirectionally oriented fiber reinforcing material can be added in the die. The fibers are monofilaments which are debundled and heated before entering either the extruder or the die.

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