Ingot casting method

Details Ingot casting method Ingot casting method

1978-03-13

1979-09-04

Simpson, Othell M.

Metal founding

Process

Shaping liquid metal against a forming surface

164 82, 164122, B22D 1100, B22D 11124

Patent

active

041664957

ABSTRACT:
A method of continuously casting metal ingots is provided comprising the steps of introducing molten metal into an open-ended mold, applying a liquid cooling medium to the mold to effectuate at least partial solidication of the molten metal in the mold and advancing an ingot from the mold, with the ingot having the peripheral portion, at least, solidifed while applying liquid cooling medium to the exterior surface of the emerging ingot. The improvement of the present invention comprises retarding the cooling effect of the liquid cooling medium by mixing a gas with the medium to be applied to the ingot surface prior to application of the medium to the ingot surface, whereupon the gas forms a layer of gaseous insulation between the medium and the ingot surface upon application of the medium to the ingot surface.

REFERENCES:
patent: 3441079 (1969-04-01), Bryson
patent: 3713479 (1973-01-01), Bryson
patent: 3726336 (1973-04-01), Moritz
patent: 4019560 (1977-04-01), Gruner et al.

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