Method for making a porous rigid structure and the porous rigid structure made thereby

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United States of America Patent

PATENT NO 4631228
SERIAL NO

06809021

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Abstract

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The subject invention relates to a method of making a porous rigid structure for use as a mold and the porous rigid structure formed thereby. Finely divided metallic particles are coated with a composition comprising a fluid thermosetting resin dissolved in a volatile solvent. Similarly, carbide particles are coated with the same composition of fluid thermosetting resin dissolved in a volatile solvent. The coated metallic particles and the coated carbide particles are mixed together and compacted into a predetermined shape of particles. Metallic needles are coated with the same composition of fluid thermosetting resin dissolved in a volatile solvent and mixed with fibers thereby forming a substrate structure. The substrate and the predetermined shape of particles are then compacted into a integrally bonded bi-layer to form a rigid structure.

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Patent Owner(s)

Patent OwnerAddress
LEAR SIEGLER INCA CORP OF DELAWARE SANTA MONICA CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kruger, Edmund R Sterling Heights, MI 2 89

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