Patents Assigned to San-ei Seiko Co., Ltd.
  • Method of truing grinding wheel and device used in performing such method
    Patent number: 6248003
    Abstract: A method of truing a grinding wheel includes the steps of providing a material containing a metallic material selected from the group consisting of metals in groups IVA, VA and VIA of the periodic table and alloys thereof, rotating a grinding wheel having a treatment surface to be trued, and contacting the material with the treatment surface of the grinding wheel.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: June 19, 2001
    Assignee: San-ei Seiko Co., Ltd.
    Inventors: Kiyoharu Hoshiya, Shinji Kohsaka