Patents Assigned to Jim Ray Company, Inc.
  • Sealing member with anti-extrusion means and protective coating
    Patent number: 4411439
    Abstract: A sealing member for sealing between a member movable relative to a body or housing. An elastomeric material is mounted in a space formed between the movable member and the housing. The elastomer serves as an initial primary seal at lower pressure differentials, while structure is provided with the sealing member to inhibit elastomer creep or extrusion at increased pressures.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: October 25, 1983
    Assignee: Jim Ray Company, Inc.
    Inventors: Paul L. Couvillion, James E. Ray