Patents Assigned to Vereinigte Edelstahlwerk AG
  • Process for producing elongated ingots of steel
    Patent number: 4039022
    Abstract: To produce elongated ingots consisting of steel in an ingot mold, a plurality of electrodes are fused down in succession in a slag bath maintained in said ingot mold and having a depth of at least 0.9 and at most 1.8 times the square root of the diameter of said ingot mold in centimeters, provided that the depth is at least 4 centimeters. Each succeeding electrode is replaced for the preceding one within 150 seconds.
    Type: Grant
    Filed: January 30, 1976
    Date of Patent: August 2, 1977
    Assignee: Vereinigte Edelstahlwerk AG
    Inventors: Wolfgang Holzgruber, Adolf Schneidhofer