Method for making a porous rigid structure and the porous rigid

Details Method for making a porous rigid structure and the porous rigid Method for making a porous rigid structure and the porous rigid

1985-12-16

1986-12-23

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264123, 264128, 264263, 264279, 428323, 428325, 428328, 428407, B32B 522

Patent

active

046312285

ABSTRACT:
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: 4530875 (1985-07-01), Donomoto et al.
patent: 4532182 (1985-07-01), Short et al.

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