C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/361
C22B 9/05 (2006.01) B01F 13/02 (2006.01) B22D 1/00 (2006.01) F27D 3/16 (2006.01)
Patent
CA 1141174
HOMOGENIZATION OF METAL USING GAS ABSTRACT OF THE DISCLOSURE In the homogenization of molten metal with a gas, the gas is delivered to agitate the molten metal in a vessel, through an injector tube having a fine bore effective to prevent penetration of molten metal into and along the bore, when injection of gas is discontinued, molten metal is allowed to solidify on the tip of the tube to seal it, when gas is to be delivered to a second load of molten metal in the vessel, it is delivered, at least initially, at a pressure effective to unseal the tube at the tip to permit entry of the gas into the second load to agitate the molten metal and thereby homogenize it, the injector tube can be used for successive batches of molten metal without maintenance.
338904
Lee Robert G.h.
Savard Guy
Canadian Liquid Air Ltd. Air Liquide Canada Ltee
Sherman
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