Patents by Inventor Toru Arimura

Toru 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).

  • Apparatus for controlling flatness of metal sheet during rolling
    Patent number: 4033165
    Abstract: An apparatus for controlling the flatness of a metal sheet during rolling, which comprises two edge-rollers and a center-roller provided closely adjacent to opposite ones of the upper and the lower surfaces of a metal sheet during rolling substantially in the horizontal direction, at least at one of the entry and the exit sections of rolling mill rolls; said edge-rollers and/or said center-roller causing a change in the tension distribution of said metal sheet in the width direction, by imparting desired vertical displacement to a desired portion of said metal sheet, thereby increasing the draft at said portion of said metal sheet during rolling.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: July 5, 1977
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Toru Arimura, Fumio Fujita