Patents Assigned to Fip Incorporated
  • Well head metal seal
    Patent number: 5257792
    Abstract: A metal well head seal for sealing between inner and outer concentric well head components which includes a circular metal seal having a flat end and a tapered end and positioned between the inner and outer components. A forcing cone on one of the components engages the tapered end for sealing, a backup shoulder engages the flat end as the inner and outer components are longitudinally moved together for setting the metal seal. An adjusting nut adjusts the tolerances between the tapered end and the forcing cone.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: November 2, 1993
    Assignee: Fip Incorporated
    Inventors: Samuel W. Putch, Jack K. Sarver, John W. Pierce