Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1981-05-04
1983-06-07
Hampilos, Gus T.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 68R, 164134, 164337, 164437, 222590, 222607, 266229, 266231, C22B 902, B22D 1110
Patent
active
043869580
ABSTRACT:
A process and apparatus are disclosed for removing inclusions and inclusion clusters from a molten metal or alloy stream prior to casting. In the process, the molten metal is passed through a flotation box having a primary chamber and a secondary chamber located within the primary chamber. The primary chamber is provided with entry and exit portions, one on each side of the secondary chamber so that the stream of molten metal or alloy is directed to flow into the primary chamber, flowing beneath the secondary chamber and out the exit portion. Inclusions and inclusion clusters float to the surface of the molten metal or alloy in the secondary chamber prior to the exiting of the molten metal or alloy stream from the primary chamber through the exit portion for supply to a casting station.
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Renschen Patrick D.
Tyler Derek E.
Yun Ik Y.
Cohn Howard M.
Hampilos Gus T.
Kelmachter Barry L.
Olin Corporation
Weinstein Paul
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