Patents Assigned to Cyl - Pak, Inc.
  • Patent number: 4685685
    Abstract: An annular sealing ring with a generally Y-shaped cross-section for sealing between a piston and the curved wall of a cylinder. The sealing ring includes a base and a pair of lips with sealing edges, the lips being spaced apart to form a cavity therebetween. Braces connect the lips a regular intervals, forming trapezoidal voids.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: August 11, 1987
    Assignee: Cyl - Pak, Inc.
    Inventor: Dennis H. Iverson