Method of making foam-filled composite products

Details Method of making foam-filled composite products Method of making foam-filled composite products

1997-12-09

2000-09-12

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 466, 264 467, 264257, 264338, B29C 4406, B29C 4412

Patent

active

061173762

ABSTRACT:
A method for making foam-filled parts having fiber-reinforced skins or surfaces is disclosed. Mold halves of pressure-resisting thermally insulative material are covered with a release material, which is then covered with the fiber skins. The fiber skins are coated with heat-curable resin, and the mold halves are then clamped together to form a cavity. A catalyzed foam-forming mixture is poured into the cavity. The mixture foams and expands to the full volume of the cavity, and while it hardens generates heat sufficient to cure the resin.

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