Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Patent
1980-06-03
1981-07-21
Rosenberg, P. D.
Metallurgical apparatus
Means for treating ores or for extracting metals
By means applying heat to work, e.g., furnace
13 9R, C21B 710, H05B 718
Patent
active
042794072
ABSTRACT:
An electric metallurgical furnace in which at least one row of the bricks that adjoin the annular flange the outer edge is displaced outwardly with respect to that of the bricks and the rows adjoining the annular flange are pressed by the flange on to the rows below.
REFERENCES:
patent: 3705713 (1972-12-01), Wirtz
patent: 4029053 (1977-06-01), Higuchi
patent: 4150818 (1979-04-01), Buhler
Korf-Stahl AG
Rosenberg P. D.
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