Patents Assigned to Motoren Turbinen-Union Munchen GmbH
  • Patent number: 4508955
    Abstract: An electrode suitable for the TIG welding process, in which the welding arc produced by contact-less ignition between the tip of the electrode and the workpiece burns within an inert gas atmosphere and the application of the weld material is effected by a separately guided welding rod. In order to optimize the startability, the tungsten electrode has a thorium oxide content of 2-4% and a thorium-oxide particle size of 6-12 .mu.m.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: April 2, 1985
    Assignee: Motoren Turbinen-Union Munchen GmbH
    Inventors: Michael Muller, Dietmar Mautner