Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1998-06-26
2000-12-19
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75680, 75681, C22B 2106
Patent
active
061622796
ABSTRACT:
A shaft for use in a method for treating molten aluminum using an impeller mounted on the shaft comprising a protective refractory sleeve resistant to attack by molten aluminum, the protective sleeve mounted on the shaft by casting to extend above and below the molten aluminum surface when the shaft is in use.
REFERENCES:
patent: 5718742 (1998-02-01), Eckert
patent: 5846481 (1998-12-01), Tilak
patent: 5968223 (1999-10-01), Eckert
patent: 6066289 (2000-05-01), Eckert
Alexander Andrew
Andrews Melvyn
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