Patents Assigned to Krupp Stahl
  • Method for controlling discharge of steel from a casting ladle
    Patent number: 4928931
    Abstract: A spout-filling mass for casting ladles has a particulate filling mass for filling the pouring spout which consists essentially of 50 to 70% by weight of chromium ore sand, 0.03 to 0.2% by weight iron oxide and the balance quartz sand intimately mixed together.
    Type: Grant
    Filed: September 20, 1988
    Date of Patent: May 29, 1990
    Assignees: Heinz Dislich, Krupp Stahl
    Inventors: Heinz Dislich, Horst Richter