Patents by Inventor Kenji Betsuki

Kenji Betsuki 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).

  • Rolling method and apparatus for forming sections having flange
    Patent number: 4685319
    Abstract: Rolling method and apparatus for forming sections having a flange connected to a web. Between two optional steps of roughing, intermediate rolling, and finishing steps, rolls 15, 15', 16, and 16' are arranged to expand the web in the widthwise direction. The rolls 15, 15', 16, and 16' fall in contact with the inner sides 21 and 22 of flanges. The rolls 15, 15', 16, and 16' may be engaged with the upper and lower faces of the web. The axes of the rolls 15, 15', 16, and 16' may be inclined at a predetermined angle .theta.h in a direction horizontally rectangular to the rolling direction. It is preferred that the axes of the rolls 15, 15', 16, and 16' be vertically inclined at an angle .theta.v to the horizontal plane.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: August 11, 1987
    Assignee: Nippon Steel Corporation
    Inventors: Koshiro Aoyagi, Taneharu Nishino, Kenji Betsuki