Method of rotational molding reinforcer-incorporated plastics

Details Method of rotational molding reinforcer-incorporated plastics Method of rotational molding reinforcer-incorporated plastics

1973-10-23

1976-09-21

White, Robert F.

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, 264311, 264DIG53, B29C 504

Patent

active

039819558

ABSTRACT:
A method for preparing reinforcer-incorporated plastic molded articles by rotational molding which includes moving a reinforcer and a binder of an amount smaller than the amount of reinforcer along the inner wall of a rotary mold to thereby form in advance a layer of reinforcer which is fixed on the inner side of the mold and having a large number of fine voids, feeding a liquid matrix into the rotary mold and impregnating the liquid matrix into the layer of reinforcer, and solidifying the matrix impregnated in the reinforcer in the rotary mold.

REFERENCES:
patent: 2862806 (1958-12-01), Nestor
patent: 2948651 (1960-08-01), Waag
patent: 3184368 (1965-05-01), Juras
patent: 3368013 (1968-02-01), Pisciotta et al.
patent: 3391823 (1968-07-01), Tijms
patent: 3555142 (1971-01-01), Haener
patent: 3660547 (1972-05-01), Ruekberg
patent: 3714312 (1973-01-01), Nitta et al.

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