Process for the manufacture of a fibrous preform formed of refra

Details Process for the manufacture of a fibrous preform formed of refra Process for the manufacture of a fibrous preform formed of refra

1994-12-14

1995-10-10

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Staple length fiber

428370, 428371, 428397, 428398, 428400, 501 94, 501 95, 501 96, D02G 300, D02G 100

Patent

active

054569818

ABSTRACT:
A process for the manufacture of a fibrous texture for producing a composite material article. The fibrous texture is formed of a yarn comprising discontinuous fibers which are made of a refractory material or a precursor thereof. The discontinuous fibers are disposed parallel to one another, without twist. A covering yarn made of a fugitive material is disposed over the discontinuous fibers to provide integrity to the yarn. The covering yarn is eliminated after formation of the fibrous texture.

REFERENCES:
patent: 3994762 (1976-11-01), Wrzesien et al.
patent: 4482601 (1984-11-01), Hartigan, Jr.
patent: 4790052 (1988-12-01), Olry
patent: 4825635 (1989-05-01), Guevel et al.
patent: 4885973 (1989-12-01), Spain

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