Patents Assigned to SLM Canada Inc.
  • Method and apparatus of forming one-piece core cap stamping with keyway
    Patent number: 5271258
    Abstract: A core cap is formed from a one-piece sheet metal blank in which an inner cylindrical sleeve is formed and a reverse-fold outer sleeve determining a bight therebetween, and a recess is gradually formed by stamping in the bight and the inner sleeve so as to provide a keyway with parallel side walls symmetrically parallel with the axis of the inner sleeve.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: December 21, 1993
    Assignee: SLM Canada Inc.
    Inventors: Real Bernier, Rosaire Michel