Patents Assigned to Kanefusa Corporation
  • Patent number: 5980166
    Abstract: A rotary tool with a shank comprises a tool body and a tip member Joined to the tool body. A narrow hole starts at an inlet port positioned at an end surface or an outer peripheral surface of the shank to run along the axis of rotation of the tool up to a tip end of said tool body and communicates at the boundary of the tip member and the tool body with an outlet port which opens to the terminal ends of ejection grooves.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: November 9, 1999
    Assignee: Kanefusa Corporation
    Inventor: Norio Ogura