Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By providing – treating or protecting environment – e.g. – vacuum
Patent
1975-01-15
1977-03-29
Lake, Roy
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By providing, treating or protecting environment, e.g., vacuum
266237, 164255, C21C 710
Patent
active
040145298
ABSTRACT:
A device for vacuum-refining of molten metal, comprising a vacuum chamber and an electromagnetic pump with an annulus-section line to which metal feed and discharge pipe lines are connected. The latter is coupled with the central portion of the annulus-section line. For pouring vacuumed metal into a foundry mould provision is made for a metal pouring pipe line connected to the metal discharge pipe line. The device envisages a higher degree of metal refining to free it from harmful impurities and a possibility of pouring metal directly into foundry moulds.
REFERENCES:
patent: 2893860 (1959-07-01), Lorenz
patent: 3179512 (1965-04-01), Olsson
patent: 3728108 (1973-04-01), Sifferlen et al.
Pogorsky Viktor Konstantinovich
Polischuk Vitaly Petrovich
Puzhailo Leonid Petrovich
Bell Paul A.
Lake Roy
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