Exothermic composition for use in molds for casting molten metal
United States Patent 2513602

Inventors:
Udy, Marvin J.
Publication Date:
07/04/1950
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Assignee:
GUARANTY INVEST CORP LTD
Primary Class:
Other Classes:
252/183.140, 149/61, 44/607, 75/305, 149/43, 149/41, 75/10.590, 44/250
International Classes:
B22D27/06; B22D27/04
US Patent References:
2294169Casting iron and steel
2426849Exothermic mixture for use on surfaces of molten metal in molds