Patents Assigned to Design Technologies Limited
  • Cutting method
    Patent number: 4808046
    Abstract: A method of cutting out components from aluminum sheets utilizes a routing tool. The sheet is held firmly in position by vacuum on a vacuum table during the cutting operation with the aid of a film of for example plastics material adhered to the back of the sheet, the routing tool being arranged to cut through the sheet but only partially to penetrate the film.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: February 28, 1989
    Assignee: Design Technologies Limited
    Inventors: Donald J. Pilkington, Christopher I. Marlow