Patents by Inventor Seiji Hashino

Seiji Hashino 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 and apparatus for producing a raw edge belt
    Patent number: 6213850
    Abstract: A method and apparatus is provided for producing raw edge belts. Plural square-cut ring-shaped belts are suspended across a main spindle roller and a tension roller, and while the belts are made to run circularly, the belts are ground into V-section belts to produce raw edge belts. The ring-shaped belts are roughly ground on the main spindle roller section into belts of an almost V-form section by a rough grindstone having V-forms in its peripheral. The roughly-ground ring-shaped belts are thereafter subjected to finish polishing with a finish grindstone.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: April 10, 2001
    Assignee: Bando Kagaku Kabushiki Kaisha
    Inventors: Seiji Hashino, Noboru Hasegawa