Patents Assigned to Mining Supplies (MINSUP) Pty. Ltd.
  • Patent number: 4502701
    Abstract: A compound sealing ring for fluid couplings comprises an annular resilient seal member having front and rear ends between which extends a circumferential annular groove, and an annular rigid reinforcement member inserted over the front end of the sealing member in snug engagement in the groove. The reinforcement member is axially confined by the sidewalls of the groove and has sufficient rigidity to prevent radial outward deformation of the sealing member during use.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: March 5, 1985
    Assignee: Mining Supplies (MINSUP) Pty. Ltd.
    Inventors: Howard A. Treloar, Robert W. Gilbert
  • Patent number: D281525
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: November 26, 1985
    Assignee: Mining Supplies (Minsup) Pty. Ltd.
    Inventor: Robert W. Gilbert