Reinforced foamed resin structural material and process for manu

Details Reinforced foamed resin structural material and process for manu Reinforced foamed resin structural material and process for manu

1979-09-11

1982-05-18

Epstein, Henry F.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 453, 264 465, 264 467, 264257, 156 79, 428117, B32B 312

Patent

active

043304940

ABSTRACT:
A structural material formed of a fiber and honeycomb reinforced foamed resin is disclosed, which is constructed by arranging a honeycomb material, the voids of which contain a foamable thermosetting resinous liquid, between two fibrous layers and heating the assembly to foam the resinous liquid and simultaneously cover and impregnate the fibrous layers whereby the fibrous layers and the honeycomb material are completely impregnated with and encased in the foamed resin.

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patent: 3564085 (1971-02-01), Schickedanz
patent: 3578526 (1971-05-01), Harding
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patent: 3917774 (1975-11-01), Sagane et al.
patent: 3951717 (1976-04-01), Herweg et al.
patent: 4025257 (1977-05-01), Sagane et al.
patent: 4036923 (1977-07-01), Saidla

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