Patents Assigned to Kirby's Engineers, Ltd.
  • Rotary die cutting machine
    Patent number: 4643062
    Abstract: A rotary die cutter for cutting sheet material has a drive mechanism which reduces the shock applied between the work piece and the die. Including a drive train for the die cutting rollers which permits slippage. The drive train can have a tension belt system which allows slippage when excessive force is required at the die so that the shock on the prime mover and drive train is minimized.
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: February 17, 1987
    Assignee: Kirby's Engineers, Ltd.
    Inventors: James H. Highfield, Roy Pugh