Patents Assigned to Kabushiki Kaisha Toyoda Jidoshokki Sakusho
  • Apparatus for and method of friction welding
    Patent number: 3972465
    Abstract: Apparatus for and method of friction welding two metal workpieces under a relative rotation, being characterized in that two workpieces of metal are welded together with a certain particular phase angle therebetween, and especially in that said particular phase relation is accomplished, without stopping once or discontinuing said relative rotation to adjust said phase angle, by providing an alternative rotating means which is driven independently from rotating means and selectively engageable with said proper rotating means.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: August 3, 1976
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Sakusho
    Inventors: Hikaru Takaoka, Takeshi Kubo, Toshihiko Hayashi