Graphite-epoxy molding method

Details Graphite-epoxy molding method Graphite-epoxy molding method

1977-09-30

1980-05-13

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

With step of making mold or mold shaping, per se

Utilizing surface to be reproduced as an impression pattern

264258, 264314, 264317, 264336, B29G 500, B29C 1706

Patent

active

042028566

ABSTRACT:
A novel method is disclosed for the manufacture of a hollow graphite-epoxy structural part with high composite density and using tooling that eliminates the necessity of autoclave and similar high external pressure curing equipment. The method of manufacture in part involves the use of a rigid hollow frangible mandrel and superimposed flexible pressure bag element which subsequently develops high internal pressures in the part being processed during composite curing stages.

REFERENCES:
patent: 1504547 (1924-08-01), Egerton
patent: 2838435 (1958-06-01), Hewett
patent: 3050780 (1962-08-01), Pollitt
patent: 3155477 (1964-11-01), Swartz
patent: 3301742 (1967-01-01), Noland et al.
patent: 3815863 (1974-06-01), Andeweg
patent: 3895084 (1975-07-01), Bauer

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