Method of manufacturing inlaid hollow plastic ball

Details Method of manufacturing inlaid hollow plastic ball Method of manufacturing inlaid hollow plastic ball

1975-04-18

1976-08-03

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264310, 264DIG60, B29B 504, B29B 512, B29D 300

Patent

active

039729753

ABSTRACT:
In a method of manufacturing inlaid hollow plastic balls by gelation of a polyvinyl chloride resin paste in a metal mold wherein a decorative plastic piece is fixed to the inner surface of a mold by means of an adhesive and then the polyvinyl chloride resin paste is poured into the mold to form the body of the ball, and the mold is then clamped, rotated and heated to gelate the polyvinyl chloride resin on the surface of the mold and then removing the ball from the mold. The adhesive is a polyvinyl chloride resin paste mixed with a 10% solution of vinyl acetate resin in trichloroethylene.

REFERENCES:
patent: 2690981 (1954-10-01), Funk et al.
patent: 2874964 (1959-02-01), Edwards
patent: 2901446 (1959-08-01), Hawkins
patent: 2974114 (1961-03-01), Steckler et al.
sarvetnick, Plastisols and Organosls, Van Nostrand Reinhold, N. Y. (1972) pp. 11, 216 & 217.

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