Patents by Inventor Nobuo Kakehi

Nobuo Kakehi 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).

  • Method of hot rolling steel strip with deformed sections
    Patent number: 4876874
    Abstract: A method of stably effecting a rolling of a steel strip with deformed section by use of a continuous hot strip mill, said method comprising the steps of:providing an excess metal portion along each of opposite sides of a meterial to be rolled for simultaneously obtaining one or a plurality of deformed section portions; andproviding, on a roll for effecting said rolling and at a position corresponding to each of the excess metal portions, a hold portion constituted by a tilted surface placed in a contact-and-rolling relation to each of said excess metal portions so that a self-aligning function occurs in a rolled material itself.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: October 31, 1989
    Assignee: Nippon Steel Corporation
    Inventors: Nobuo Kakehi, Yuzuru Takahashi, Norio Higuchi, Yoshikazu Izumihara, Hiromi Matsumoto, Yuji Uehori