Patents by Inventor Yoshiro Sumi

Yoshiro Sumi 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).

  • Patent number: 4314469
    Abstract: A rolling mill comprising a roll stand which supports rolls provided with roll passes for rolling a blank to be rolled which is fed along a rolling line, the roll stand being supported on a stationary base so as to move in axial directions of the rolls perpendicular to the rolling line, wherein the roll stand is provided with rotatable eccentric rods which have rotatable wheels thereon, the rods being rotated to occupy a non-operation position in which the wheels are separated from the base and an operational position in which the wheels contact with the base so as to rotate on the base, thereby to carry the roll stand in axial directions of the rolls.
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: February 9, 1982
    Assignee: Nippon Steel Corporation
    Inventors: Takashi Kitamura, Yoshiro Sumi, Akira Matsufuji