Plastic and nonmetallic article shaping or treating: processes – Gas or vapor deposition of article forming material onto...
Patent
1989-10-11
1991-07-23
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Gas or vapor deposition of article forming material onto...
264136, 264257, 427249, 427255, B29C 3910, B29C 4120, B29C 4318
Patent
active
050341723
ABSTRACT:
A process relating to the manufacture of a composite component comprising a web and a reinforcement structure. The process includes providing a profiled section constituting a fibrous structure that is rigidified by impregnation with a thermoformable binder. The profiled section provided has a cross-section corresponding to the dimensions of a non-compacted blank of the component to be formed in a single unit with the web and the reinforcement structure. A blank of the component to be produced is machined from a length of the profiled section. The blank is press formed to obtain a preform having a shape and dimensions approximating those of the component to be produced and the preform is densified by chemical vapor infiltration of a material constituting a matrix within the fibrous structure, after elimination of the thermoformable binder.
REFERENCES:
patent: 1947695 (1934-02-01), Carthew
patent: 2781552 (1957-02-01), Gray
patent: 4201611 (1980-05-01), Stover
patent: 4637550 (1987-01-01), Nash
Pestourie Eric
Vives Michel
Durkin Jeremiah F.
Societe Europeenne de Propulsion
Woo Jay H.
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