Molded composite article and method for making the article

Details Molded composite article and method for making the article Molded composite article and method for making the article

1975-06-26

1977-05-24

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428325, 428327, 428402, 264 465, B32B 326

Patent

active

040256863

ABSTRACT:
A resinous article and method for making the article wherein a body of fibrous reinforcing material and syntactic foam containing a low density filler are placed in a molding and curing chamber with the reinforcing material in contact with the surface of the chamber. A molding pressure is then exerted on the chamber to mold and cure the body of material into a finished article. The pressure exerted being sufficient to force a portion of the resinous material in the syntactic foam through the reinforcing material to form a resin rich surface on the article. However, the low density filler material is retained within the core area of the article by the reinforcing material and forms a lightweight syntactic foam core. The resulting article has an outer skin, a layer of fibrous reinforcing material beneath the skin and bonded to the skin, and a core of lower density syntactic foam.

REFERENCES:
patent: 3707414 (1972-12-01), Wismer et al.
patent: 3707434 (1972-12-01), Stayner
patent: 3835208 (1974-09-01), Koutitonsky
patent: 3849350 (1974-11-01), Matsko

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