F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/106
F27D 3/18 (2006.01) B22D 1/00 (2006.01) C21C 1/10 (2006.01) C22C 37/04 (2006.01)
Patent
CA 1117292
ABSTRACT The invention relates to an apparatus for the treatment of molten metal with a reactive additive. The apparatus comprises a pouring cup having an outlet for introduction of both reactive additive and molten metal into a reaction chamber. The reaction chamber communicates via a channel, preferably of restricted cross-sectional area, with an expansion chamber provided with an outlet for the molten metal. The expansion chamber outlet has a smaller cross-sectional area than the pouring cup outlet thereby ensuring that the reaction chamber is sufficiently filled to cover any reactive additive during a pouring treatment. The apparatus permits a series of pourings to be effected without disassembley of the apparatus to introduce more reactive additive.
328869
Castledine Timothy
Dunks Clifford M.
George H. Riches And Associates
Materials And Methods Limited
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