Patents by Inventor Tohru Arimura

Tohru Arimura 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 process
    Patent number: 3974559
    Abstract: In the withdrawing stage following the secondary cooling zone, each pair of rolls of a plurality of pairs of rolls reduces the cross section less than 1.5 percent at the portion between the liquidus line and solidus one in unsolidified phase, thereby to produce a sound cast piece without producing the known center segregation and the known center porosity.
    Type: Grant
    Filed: March 21, 1974
    Date of Patent: August 17, 1976
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Takaho Kawawa, Tohru Arimura, Masaru Okado
  • Method of long-edge shape control for tandem rolling mill
    Patent number: 3934438
    Abstract: A method of shape control for a tandem mill for rolling strip, wherein the shape of the rolled strip at the delivery side of the final stand is detected to provide a signal corresponding to the long-edge shape, whereby the pattern of roll bending force for two or more latter stands are adjusted according to the signal or signals obtained in order to effect desired shape control without causing variations in the thickness of the strip at the delivery side of the last stand.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: January 27, 1976
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Tohru Arimura, Masaru Okado, Takarokuro Ichimaru, Masamoto Kamata