Patents Assigned to Usui Kakusai Sangyo Kaisha Limited
  • Patent number: 8257637
    Abstract: A method is provided for removing a resin layer of a resin-coated metal tube. The resin layer is removed with a laser beam. More particularly, the resin layer of a desired range is burned out by focusing the laser beam into a pinpoint without defocusing the sectional shape of the laser beam in the axial direction o the resin-coated metal tube.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: September 4, 2012
    Assignee: Usui Kakusai Sangyo Kaisha Limited
    Inventor: Atsushi Okada