Method of bladder moulding thin articles made of a composite mat

Details Method of bladder moulding thin articles made of a composite mat Method of bladder moulding thin articles made of a composite mat

1998-02-20

2000-07-04

Ball, Michael W.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264258, 264313, B29C 4310

Patent

active

06083448&

ABSTRACT:
The invention proposes a process for bladder moulding thin articles made of a composite material consisting of fibre and polymerised resin, the articles comprising corners having a rounded vertex and produced by a shaper. Such a process is distinguished in that the surface experiencing the air pressure is convex and the normals to the surface converge on the rounded shaping vertex of the shaper.

REFERENCES:
patent: 4824631 (1989-04-01), Yeager
patent: 5597435 (1997-01-01), Desautels et al.
Patent Abstracts of Japan, vol. 009, No. 300 (M-433), Nov. 27, 1985 & JP 60 139433 A, Jul. 24, 1985.
G. Musch, et al., "Tooling with Reinforced Elastomeric Materials", Composites Manufacturing, vol. 3, No. 2, Jan. 1, 1992, pp. 101-111.

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