Process for shaping fiber reinforced thermoplastic articles

Details Process for shaping fiber reinforced thermoplastic articles Process for shaping fiber reinforced thermoplastic articles

1990-07-19

1991-07-16

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

264257, 264322, 264346, B29C 4302, B29C 4318, B29C 5142

Patent

active

050323393

ABSTRACT:
A process for making a preform of fiber reinforced thermoplastic material, debulking the preform, subjecting the preform to heat and pressure to form a molded article, then subjecting the article to a predetermined quenching cycle that centralizes void location in the molded article.

REFERENCES:
patent: 4304751 (1981-12-01), Li et al.
patent: 4390489 (1983-06-01), Segal
patent: 4469270 (1984-09-01), Gartland
patent: 4970044 (1990-11-01), Kim

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