B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/56
B22D 11/10 (2006.01) B22D 11/06 (2006.01)
Patent
CA 1214619
ABSTRACT CASTING IN AN EXOTHERMIC REDUCTION ATMOSPHERE An apparatus and method for casting metal strip include a moving chill body that has a quench surface. A nozzle mechanism deposits a stream of molten metal on a quenching region of the quench surface to form the strip. The nozzle mechanism has an exit portion with a nozzle orifice. A depletion mechanism supplies a reducing gas to a depletion region located adjacent to and upstream from the quenching region. The reducing gas reacts exothermically to lower the density provide a low density reducing atmosphere within the depletion and substantially prevent formation of gas pockets in the strip.
450621
Davis Lance A.
Liebermann Howard H.
Wellslager John A.
Allied Corporation
Gowling Lafleur Henderson Llp
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