Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1990-04-20
1992-09-08
Heitbrink, Tim
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
156245, 156285, 156382, 264258, 264511, 264571, B32B 3100
Patent
active
051456214
ABSTRACT:
A curved composite material body is consolidated to a complexly curved shape by placing rigid tooling on the concave-facing side of the body, and a pressure membrane on the other (convex-facing) side of the body. In another region of the body where the sign of the curvature of the body changes so that the other side becomes the concave-facing side, the rigid tooling is placed on that side, against the concave-facing side, and the pressure membrane is contacted to the convex-facing side. The rigid tooling thus crosses over from one side to the other through various regions of the body, providing a precise consolidation to meet the structural and dimensional specifications. Consolidation is achieved by applying pressure to the body of composite material through the pressure membranes.
REFERENCES:
patent: 4816106 (1989-03-01), Turris et al.
patent: 4842670 (1989-06-01), Callis et al.
General Electric Company
Heitbrink Tim
Maria Carmen S.
Squillaro Jerome C.
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