Patents by Inventor Hirohiko Shibutami

Hirohiko Shibutami 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).

  • Continuous casting system
    Patent number: 4030533
    Abstract: A continuous casting system provides with a foreign matter receiving gutter between two adjacent rolls to receive foreign matters dropping during the drawing operation of castings, and a foreign matter removing nozzle to wash away the foreign matter dropped on the gutter. An electromagnetic agitator of the continuous casting system is provided with a proximity switch at least at its inlet side to sense a magnetic substance approaching the agitator thereby to control the operation of the agitator, thus eliminating troubles caused by the vibration of the magnetic substance.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: June 21, 1977
    Assignees: Nippon Steel Corporation, Kabushiki Kaisha Yaskawa Denki Seisakusho
    Inventors: Yasuo Itoh, Yoshitake Suzuki, Hirohiko Shibutami, Koichi Hirano, Muneo Tagami
  • Continuous casting system
    Patent number: 3987841
    Abstract: A continuous casting system provides with a foreign matter receiving gutter between two adjacent rolls to receive foreign matters dropping during the drawing operation of castings, and a foreign matter removing nozzle to wash away the foreign matter dropped on the gutter. An electromagnetic agitator of the continuous casting system is provided with a proximity switch at least at its inlet side to sense a magnetic substance approaching the agitator thereby to control the operation of the agitator, thus eliminating troubles caused by the vibration of the magnetic substance.
    Type: Grant
    Filed: June 20, 1975
    Date of Patent: October 26, 1976
    Assignees: Nippon Steel Corporation, Kabushiki Kaisha Yaskawa Denki Seisakusho
    Inventors: Yasuo Itoh, Yoshitake Suzuki, Hirohiko Shibutami, Koichi Hirano, Muneo Tagami