Patents Assigned to Kuroda Precision Industries
  • Method and system for chamfering and press therefor
    Patent number: 6209381
    Abstract: In a vertical press that simultaneously forms chamfers at edges on both sides of a punched sheet material by using an upper chamfering punch and a lower chamfering punch, the lower chamfering punch is supported by conical disc springs piled on a support base.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: April 3, 2001
    Assignees: Kuroda Precision Industries, Tochigi Fuji Sangyo Kabushiki Kaisha
    Inventors: Tetsuo Yaguchi, Hiroshi Ikemoto, Yuji Yagisawa