F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/105, 39/96
F27D 3/16 (2006.01) B22D 1/00 (2006.01) C21C 5/46 (2006.01) C21C 7/072 (2006.01)
Patent
CA 2023881
This invention provides an apparatus for automatically connecting a gas supply to a vessel employed to contain molten metal whereby gas, such as argon, is injected into the molten metal in a selected interior portion of the vessel, such as a ladle. The ladle is positioned on a tilting structure so that it can be tipped to flow out slag on the top on the molten metal, the slag and other impurities in the metal being directed to the top thereof by the upwardly flowing argon gas. The apparatus comprising an upstanding male connection mounted on the tilting structure so as to be engageable in a downwardly facing female connection mounted on the ladle. The connections are shaped to insure a substantially gas tight connec- tion whereby gas in a desired volume at a desired pressure are introduced into the ladle.
Insul Company Inc.
Ridout & Maybee Llp
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