Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1976-01-26
1977-07-26
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 53, 75 58, 75 93R, C22B 900
Patent
active
040380696
ABSTRACT:
A heat-insulating agent for molten metal comprising a burned material obtained by light-burning a dehydrate of sludge discharged in pulping/or paper-making procedures and a method of insulating a molten metal from loss of heat comprising covering the surface of the molten metal with a layer of the heat-insulating agent.
REFERENCES:
patent: 2092595 (1957-09-01), Spowers
patent: 3704230 (1972-11-01), Loricchio
Aikoh Co. Ltd.
Rosenberg Peter D.
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