Patents Assigned to Blaw-Knox Equipment, Inc.
  • Welding of aluminum grating and the like
    Patent number: 4262184
    Abstract: The specification discloses a process for manufacture of welded aluminum grating and the like wherein weldable grade aluminum cross bars having a form similar to a wedge having a rounded apex are abutted against bearing bars and a voltage is applied through the parts to create resistance welds. Special preparation such as cleaning or notching of the area of the aluminum bars that are to be welded are eliminated.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: April 14, 1981
    Assignee: Blaw-Knox Equipment, Inc.
    Inventor: Henry P. Cerutti