Two layered refractory plate

Details Two layered refractory plate Two layered refractory plate

1988-03-14

1990-03-06

Thomas, Alexander S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428149, 428150, 428143, B32B 502

Patent

active

049065092

ABSTRACT:
The present invention provides a two layered refractory plate consisting of a crack-resistant substrate with a grained surface layer embedded thereon. This two layered refractory plate is suitable for use as a shelf plate in a furnace in which the temperatures vary. Cracks due to thermal expansion differences in the material can be prevented.

REFERENCES:
patent: 2327972 (1943-08-01), Stettinius et al.
patent: 4055451 (1977-10-01), Cockbain et al.

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