Patents Assigned to Stellram Limited
  • Thread cutting tool
    Patent number: 5098232
    Abstract: A thread-cutting tool comprises a shank 10 for attachment to the spindle of a milling machine, the forward end portion of which shank is formed with a flat 12 recessed to provide a pocket for a flat cutting insert 11. The insert, which is triangular in this instance, has one edge formed with a line of threadform teeth of identical profile. The teeth project laterally for cutting engagement with a work-piece. The surface of the work-piece which is to be formed with a thread is mounted on a fixed work-table of the machine.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: March 24, 1992
    Assignee: Stellram Limited
    Inventor: Richard Benson