Patents Assigned to MPC Industries, Inc.
  • Bushings for joining rigid objects to flexible membranes
    Patent number: 4802792
    Abstract: A membrane provides a secondary containment system for a fuel storage system. The membrane is stressed by the heaving and sinking of the earth supporting the membrane. A pipe passes through and is bonded to the membrane. A bushing absorbs and distributes the stresses within the membrane to protect the bond between the pipe and the membrane.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: February 7, 1989
    Assignee: MPC Industries, Inc.
    Inventor: James D. Flessas