Patents Assigned to August Thyssen Aktiengesellschaft
  • Buildup welding of inclined surfaces
    Patent number: 4237361
    Abstract: A method of building up lines or layers of metal on a region of a workpiece, especially a region which terminates at the top of a vertical surface of the workpiece, by fusion arc welding, comprises: building up a barrier along at least one edge of the region, and this is along the top of the vertical surface when one exists, by welding with a low-power arc and then building up the remainder of the region against the barrier by welding with a much higher power arc, which is preferably of the submerged-arc type.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: December 2, 1980
    Assignee: August Thyssen Aktiengesellschaft
    Inventors: Wolfgang Zwintscher, Horst Kittel, Hinrich Ruge