Method for molding fiber reinforced composite tube

Details Method for molding fiber reinforced composite tube Method for molding fiber reinforced composite tube

1975-06-02

1976-06-08

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

156285, 156286, 249157, 264 87, 264161, 264257, 264313, 264314, 264334, 264337, 264338, B29C 2710, B29C 1500, B29D 302, B29D 2300

Patent

active

039623947

ABSTRACT:
A fiber reinforced composite tube is molded by applying an annular, liquid-resin-impregnated layer of reinforcing fibers to a cylindrical mold or mandrel; placing in contact with the exposed surface of the fiber-resin layer a compression sleeve which is split lengthwise to permit circumferential contraction or expansion of the sleeve into pressurizing relation with the layer; pressurizing the compression sleeve with fluid pressure to compress the fiber-resin layer and thereby compact the reinforcing fibers and expell entrapped air and excess resin from the layer; and curing the resin while the fiber-resin layer is so compressed.

REFERENCES:
patent: 2613398 (1952-10-01), Crowell
patent: 2815534 (1957-12-01), Ising et al.
patent: 2923978 (1960-02-01), Corzine
patent: 3344007 (1967-09-01), Skoggard
patent: 3377657 (1968-04-01), Richardson et al.
patent: 3579400 (1971-05-01), Kanyok et al.

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