Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1982-05-21
1983-08-09
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 93R, 266235, 366194, 366328, 366329, 366343, 164136, 164437, 420528, 420590, C22B 2106
Patent
active
043976875
ABSTRACT:
A mixing device (e.g., a stirrer) to ensure thorough mixing of metals and metal alloys comprising a generally rectangular solid and a series of off-side, but area-equivalent ports on each side of the axial center, wherein the size and number of ports on one side is different from the size and number of ports on the other side, the upper and lower limits of the ports being defined by oppositely opposed anguarly directed fin portions wherein the fins on one side of the axial center are directed in one direction and the fins on the other side of the axial center are directed in the opposite direction. The invention also embodies a method of mixing molten metals and alloys with the device.
REFERENCES:
patent: 3198505 (1965-08-01), Amdur et al.
patent: 3902544 (1975-09-01), Flemings et al.
patent: 3936298 (1976-02-01), Mehrabian et al.
patent: 3954455 (1976-05-01), Flemings et al.
patent: 4116423 (1978-09-01), Bennett
patent: 4290588 (1981-09-01), Pelton
Andrews M. J.
Engellenner Thomas J.
Massachusetts Institute of Technology
Smith, Jr. Arthur A.
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