Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1989-07-21
1991-10-22
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264258, 264313, 264225, 4254051, B29C 4310, B29C 4318
Patent
active
050593773
ABSTRACT:
A method of forming a three-dimensional composite structure. Uncured portions of the composite structure are first assembled between a initially rigid heat-softening inner layer of ABS plastic and a hard outer mold surface. Prior to curing of the composite structure, pressure and heat is applied to the ABS layer to soften the layer. Thereafter, pressure is applied to the side of the ABS layer opposite from the composite structure, thereby to compact the uncured portions of the composite structure against the hard outer mold. Stiffening beams may be incorporated into the composite structure, so as to yield a lightweight, strong composite structure that can be used as a pressure vessel in an aerospace vehicle.
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Ashton Larry J.
Ashton Todd H.
Aerotrans Corporation
Durkin, III Jeremiah F.
Woo Jay H.
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