Patents by Inventor Tomihisa Takahata

Tomihisa Takahata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Flash welding apparatus
    Patent number: 4096375
    Abstract: The present invention discloses a full-automatic flash welding apparatus wherein the trailing edge of the preceding strip and the leading edge of the succeeding strip are automatically accurately positioned, rigidly clamped and simultaneously cut off, the new trailing and leading edges are automatically machined and then butt welded, and thereafter the flash on the upper and lower surfaces of the joined strips is automatically removed.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: June 20, 1978
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Yoshiharu Fujino, Iwane Chiba, Toshimi Chiyonobu, Tomihisa Takahata, Yasuhiko Kachi
  • Butt-welding device
    Patent number: 4063061
    Abstract: A butt welding device wherein the trailing edge of a first or preceding strip and the leading edge of a second or succeeding strip are clamped in position, simultaneously cut off, and joined together by flash butt welding and thereafter the flash and upset are removed by machining.
    Type: Grant
    Filed: December 23, 1975
    Date of Patent: December 13, 1977
    Assignee: Ishikawayima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Yoshiharu Fujino, Iwane Chiba, Toshimi Chiyonobu, Tomihisa Takahata, Yasuhiko Kachi