Insulating monolithic refractory material, manufacturing process

Details Insulating monolithic refractory material, manufacturing process Insulating monolithic refractory material, manufacturing process

1992-03-13

1994-09-27

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 346, 4283073, 4283126, 4283184, 4283186, 4283191, 428688, 428689, 428698, 428699, 428701, 428702, B32B 108

Patent

active

053506090

ABSTRACT:
A monolithic composite refractory material has at least one layer of a first dense refractory material and a layer of foamed refractory material bonded thereto. An article having improved thermal insulation properties has an external layer of dense refractory material and an inner core of the foam refractory material bound to the dense material. The refractory material of the dense external layer and foamed material may be fused silica and may contain at least one adjuvant selected from the group consisting of refractory earths, metal oxides and oxide compounds, carbides, borides, silicon oxynitride, sialon and the thermal decomposition products of carboxilanes. The material and articles made therefrom are particularly useful in metallurgical applications.

REFERENCES:
patent: 3333746 (1967-08-01), Cope
patent: 3801083 (1974-04-01), Mantey
patent: 4682718 (1987-07-01), Watanabe
patent: 4691844 (1987-09-01), Ishino
patent: 4693918 (1987-09-01), Fujimoto
patent: 4877705 (1989-10-01), Polidor
patent: 4951852 (1990-08-01), Rancoulle
patent: 4951929 (1990-08-01), Schwarz

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