Patents Assigned to Harima Sargyo Kabushiki Kaisha
  • Frictional welding method
    Patent number: 4087038
    Abstract: The method of effecting a frictional weld between a rod-like member and a flange member wherein the flange member is formed with a hole having a smaller diameter than the rod to be welded thereto, rotating one member relative to the other to heat both members while urging the members into engagement.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: May 2, 1978
    Assignee: Harima Sargyo Kabushiki Kaisha
    Inventor: Yutaka Yagi