Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent
1977-07-18
1980-03-11
Baldwin, Robert D.
Metal founding
Means to apply vacuum directly to work or to hold or...
Means applying vacuum or suction directly to molten casting...
164123, B22D 2702
Patent
active
041923707
ABSTRACT:
The present invention relates to a method of and a device for effecting electroslag remelting processes.
While effecting an electroslag remelting process by the proposed method an electrode is dipped into a slag bath. Electric current is passed through the electrode and slag bath, heating the slag to a melting point of said electrode. Upon establishing the molten slag bath and a metal pool said electrode is shielded by lowering on the surface of the molten slag bath a disc with an opening for the passage of said electrode so that the disc will float in the slag without coming in contact with the metal pool. A device for effecting electroslag remelting processes, comprising a baseplate mounting a means for effecting an electro slag remelting process accommodating a slag bath and an electrode that is dipped thereinto and is encompassed with a protective shield made as a disc of material whose specific density is lower than that of the slag of said slag bath. The disc is arranged directly on the surface of the slag bath, overlapping essentially all its surface area.
REFERENCES:
patent: 3586749 (1971-06-01), Iodkovsky
patent: 3920063 (1975-11-01), Sasaki et al.
patent: 3947265 (1976-03-01), Guzowski et al.
Kriger Jury N.
Rabinovich Volf I.
Sapunov Viktor E.
Svitenko Igor A.
Baldwin Robert D.
Chekhovsky Zavod Energeticheskogo Mashinostroenia
Lin K. Y.
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