F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/105
F27D 3/16 (2006.01) C21C 5/46 (2006.01)
Patent
CA 2003133
AIR COOLED GAS INJECTION LANCE ABSTRACT An air cooled refractory covered injection lance for introducing reactive gases below the surface of a molten metal bath where the lance is provided with means to surround the reactive gas conduit with a high velocity cooling fluid to prevent thermal decomposition of the reactive gas prior to its injection into the molten metal bath. - 1 -
Fioravanti Kenneth James
Kern David Wayne
Stelts Philip Dean
Air Products And Chemicals Inc.
Bethlehem Steel Corporation
Mcfadden Fincham
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