Patents Assigned to Unir
  • Ultrasonic cutting device
    Patent number: 6058823
    Abstract: The invention relates to an ultrasound cutting device comprising an ultrasound generator having a given natural frequency, coupled to a cutting tool. The cutting tool is a disk that is driven in rotation, and the ultrasound generator is coupled to a central region of the disk by a coupling means, said central region being disposed on an amplitude antinode of the ultrasound vibration produced by the ultrasound generator.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: May 9, 2000
    Assignee: Unir
    Inventor: Henri Michoud