Patents Assigned to Takekawa Tekko Kabushiki Kaisha
  • Grinding tool and method of making the same
    Patent number: 5020282
    Abstract: A grinding tool wherein a thermocontrating tube on which is formed a partial layer pattern in which parts having no abrasive are scattered and separated, the abrasive part is applied to cover the peripheral surface of a shaped base and is then heated to closely adhere to the surface of the base.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: June 4, 1991
    Assignees: Sankyo Rikagaku Co., Ltd., Takekawa Tekko Kabushiki Kaisha
    Inventors: Hiroshi Okajima, Susumu Sudo