Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Horizontal – rotatable – cylindrical type
Patent
1982-01-25
1984-01-10
Ozaki, G.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
Horizontal, rotatable, cylindrical type
266275, 266280, 266287, 428920, F27D 300
Patent
active
044249578
ABSTRACT:
A consumable heat retention shield for retaining the heat of the interior lining of a hot metal car includes a combustible framework having a bottom wall, upstanding walls and a flange, with the surface thereof that is to be directly exposed to the hot metal car covered with a layer of refractory material, with the shield being manually positioned on the hot metal car by workmen, and the shield consumable upon pouring of molten metal upon the shield and through the mouth of the hot metal car. Preferably, the shield has a metallic filler material in a cavity thereof to provide additional weight to the shield, which metallic filler material is compatable with the molten metal charged to the hot metal car.
REFERENCES:
patent: D141764 (1945-07-01), Johnson
patent: 2767878 (1956-10-01), Brown
patent: 3438529 (1969-04-01), Lohrer
patent: 3907260 (1975-09-01), Leatherby
patent: 3979016 (1976-09-01), Frater
patent: 4014532 (1977-03-01), Holley
patent: 4269619 (1981-05-01), Keil et al.
patent: 4381855 (1983-05-01), Ryan
Mazy Industrial sales-Ad; Industrial Heating, Feb. 1982, p. 29.
Grant Louis A.
Trunzo Arthur F.
Hey David A.
Ozaki G.
Standard Steel Sponge, Inc.
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