Molding of composite plastics products

Details Molding of composite plastics products Molding of composite plastics products

1987-05-08

1989-10-31

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264236, 264311, 264347, 264249, 1562722, 1562755, 1563042, B29C 4104, B29C 7102, B29C 7104

Patent

active

048775622

ABSTRACT:
The invention provides a method of molding a plastics material comprising the steps of placing the material with a quantity of an appropriate catalyst in granular (including powdered) form into a hollow mold shell; suspending the mold in a mounting system enabling rotation in a plurality of directions whereby the powdered material, together with the catalyst, is able to flow over all the interior surfaces; containing the mold and mounting system within an oven and heating the mold therein while rotating the same; cooling the mold and subsequently withdrawing the molded article therefrom.

REFERENCES:
patent: 3576933 (1971-04-01), Bates
patent: 3929538 (1975-12-01), Diebel
patent: 3989787 (1976-11-01), Scott
patent: 4104357 (1978-08-01), Blair
patent: 4115508 (1978-09-01), Hugh
patent: 4117195 (1978-09-01), Swarbrick
patent: 4276247 (1981-06-01), Muenchow
patent: 4310483 (1982-01-01), Dorfel
patent: 4330495 (1982-05-01), Halle
patent: 4331626 (1982-05-01), Colby
patent: 4525516 (1985-06-01), Garcia
patent: 4548779 (1985-10-01), Steinberg
patent: 4555379 (1985-11-01), Maringer
patent: 4587318 (1986-05-01), Inoue
patent: 4668461 (1987-05-01), Needham
Whittington's Dictionary of Plastics, 1st Edition, 1968, p. 58.

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