Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1978-07-12
1980-01-15
Dost, Gerald A.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
75 61, 75 53, 75 93A, C21C 700
Patent
active
041835077
ABSTRACT:
A system for treating molten metal with addition agents comprising a refractory lined vessel containing the molten metal and a vehicle movable relative to said vessel having associated therewith a cylinder terminating in an extrusion die. The refractory lined vessel has an addition agent port in the base which may be stopped and unstopped. The cylinder is provided with means for engaging the addition agent port on the vessel and communicating therewith. The cylinder is provided with means for advancing extrudable addition agent through the die. When the port is stopped, the vehicle can be brought near the vessel, and the cylinder connected to the port and when the port is unstopped the cylinder may be discharged through the die introducing additive agent into the bottom of the vessel.
REFERENCES:
patent: 165929 (1875-07-01), Hudson
patent: 1938716 (1933-12-01), Norris
patent: 2698749 (1955-01-01), Fishell
patent: 2982535 (1961-05-01), Hiskey et al.
patent: 3255898 (1966-06-01), Carli et al.
patent: 4093452 (1978-06-01), Spenceley et al.
Dost Gerald A.
Lava Crucible Refractories Co.
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