Patents Assigned to Washington Steel Corporation
  • Gripper means for stretcher leveler apparatus
    Patent number: 4982593
    Abstract: A gripper means for use in a stretcher leveler apparatus in which the surface for engagement with the metal to be stretched comprises a smooth polymeric material most desirably of a thermoset polyurethane.
    Type: Grant
    Filed: July 6, 1989
    Date of Patent: January 8, 1991
    Assignee: Washington Steel Corporation
    Inventor: Bertram A. Holloway
  • Closure apparatus for a slab furnace and method of heating slabs therein
    Patent number: 4229162
    Abstract: Apparatus and method for closing bottom-entry slab furnaces in which a door is pivotably connected to the slab elevator by a horizontally arranged hinge. The door is provided with a cam follower that cooperates with a cam apparatus to controllably swing the door between closed and open positions as the door is moved vertically past the cam apparatus.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: October 21, 1980
    Assignee: Washington Steel Corporation
    Inventors: Richard G. Kotler, Francis H. Bricmont