Molding process for plastics

Details Molding process for plastics Molding process for plastics

1985-10-30

1987-07-21

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 25, 264512, 264104, 264105, 264118, 264131, 264255, 2643287, 264338, 264DIG65, 427 25, B29C 4108, B29B 912

Patent

active

046817123

ABSTRACT:
A molding process for producing a molded plastic product with a resin coating layer formed on its surface, which comprises electrostatically coating a powdery resin composition on the inner surface of a mold, filling and molding a plastic material in the mold to form a molded plastic product, and plasticizing, under compression, said powdery resin composition by the heat of the filled plastic material and/or by the heat for molding the filled plastic material, to form a resin coating layer securely bonded to the surface of the molded plastic product by anchor effect.

REFERENCES:
patent: 3478387 (1969-11-01), Ruekberg
patent: 3504063 (1970-03-01), Lemelson
patent: 3930061 (1975-12-01), Scharfenberger
patent: 4205028 (1980-05-01), Brueggemann et al.
patent: 4367192 (1983-01-01), Arnason
patent: 4378322 (1983-03-01), Atterbury et al.
patent: 4474685 (1984-10-01), Annis
patent: 4499235 (1985-02-01), Verwer et al.
patent: 4530779 (1985-07-01), Mayama et al.
patent: 4536364 (1985-08-01), Lindskog
patent: 4568604 (1986-02-01), Kurtz et al.

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