Patents by Inventor Shouji Eguchi

Shouji Eguchi 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).

  • Die cut roll
    Patent number: 6279443
    Abstract: A die cut roll includes a rotary driving roll having projecting pressure cutting blades on a surface thereof formed in accordance with the shape of a product to be cut to thereby form a die cutter and an anvil roll adapted to receive an edge of each of the projecting pressure cutting blades of the die cutter. The rotary driving roll includes inclined finishing surfaces formed adjacent to a top smooth portion of an edge of each of the projecting pressure cutting blades by a grinding process so that the inclined finishing surfaces have grinding flaws which make an angle &phgr; of 50°-90° to ridgelines defining the top smooth portion.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: August 28, 2001
    Assignee: Nippon Tungsten Co., Ltd.
    Inventors: Kenji Nakahara, Koichi Ibusuki, Shouji Eguchi, Kohei Kitahara, Kei Tokumoto, Shigeya Sakaguchi