Method for forming fiber-reinforced plastic articles

Details Method for forming fiber-reinforced plastic articles Method for forming fiber-reinforced plastic articles

1973-06-15

1976-02-10

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264258, 264269, B29C 1706, B32B 1704

Patent

active

039377814

ABSTRACT:
Hollow, reinforced plastic articles are molded in a closed molding chamber by employing an internal expandable bag to define the inside surface of the article to be molded. A nonstretchable sleeve surrounds at least a portion of the bag so that, when the bag is inflated during the molding operation, the sleeve accurately establishes the wall thickness of the article to be molded.

REFERENCES:
patent: 1017876 (1912-02-01), Landis
patent: 1964386 (1934-06-01), Nose
patent: 2456513 (1945-04-01), Johnson
patent: 2579423 (1951-12-01), Ford
patent: 2892239 (1959-06-01), Neff
patent: 2949658 (1960-08-01), Conn
patent: 2977269 (1961-03-01), Nerwick
patent: 3137898 (1964-06-01), Geringer
patent: 3177105 (1965-04-01), Wiltshire
patent: 3377657 (1968-04-01), Richardson et al.
patent: 3579400 (1971-05-01), Kanyok et al.
patent: R25241 (1962-09-01), Randolph

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