Injection process for long fiber-containing resin

Details Injection process for long fiber-containing resin Injection process for long fiber-containing resin

1990-04-17

1991-08-20

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

26432818, 366 89, 425207, 425587, B29C 4548, B29C 4560

Patent

active

050412582

ABSTRACT:
A resin composition of a thermoplastic resin and long fiber is injected into a molded article having good physical properties by molding the composition in the form of a pellet having a length of 3 mm or more and containing 10 to 80% by weight, based on the composition, of a fiber having a length substantially equal to that of the pellet and arranged in the lengthwise direction of the pellet, characterized by using an injection molding machine having a nozzle diameter of 6 mm or more.

REFERENCES:
patent: 3712776 (1973-01-01), Woodham et al.
patent: 3746315 (1973-07-01), Rizzi et al.
patent: 4155655 (1979-05-01), Chiselko et al.
patent: 4299792 (1981-11-01), Nunn
patent: 4399085 (1983-08-01), Belbin et al.
patent: 4670203 (1987-06-01), Chang
patent: 4708623 (1987-11-01), Aoki et al.
patent: 4789511 (1988-12-01), Bilgin

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