Method of producing an article of thermosetting resin
AssigneeShell Oil Company
InventorsJohan M. Goppel, Peter R. Chant
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Abstract
The present invention provides a process for making a thermosetting resin article which comprises (a) impregnating a compressible opencell sheet with a thermosetting resin (b) applying a fibrous layer to at least one side of the sheet, (c) allowing the assembly to cure. The invention further is directed to thermosetting articles made by this process.
Claims4
A rigid laminated article comprising a dense compressed cellular foam core interposed between fibrous layers uniformly impregnated throughout their respective thickness with a hardened thermosetting resin, said foam core having substantially all of the open cell space therein filled with a hardened thermosetting resin and being bound to said resin-impregnated fibrous layers through said hardened thermosetting resin.
Dependencies are inferred from the claim text.