Patents Assigned to Delta Dynamics Corporation
  • Valve and fastener therefor
    Patent number: 4272057
    Abstract: An elongate flexible cable is used as a fastener for preventing sliding movement between adjacent surfaces of two valve components. The cable is inserted through a closable port in the valve, and extends through a uniform channel formed by aligned grooves in the two components. In a preferred aspect, the cable fastener is used in conjunction with a spring to retain axial cylindrical seats in operating position in a ball valve.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: June 9, 1981
    Assignee: Delta Dynamics Corporation
    Inventor: Samuel R. Haugland