Patents Assigned to Universal Design
  • Continuous pultrusion method of making friction units
    Patent number: 5462620
    Abstract: A continuous process for the manufacture of friction units includes the steps of impregnating a plurality of strands of reinforcing fibers with a phenolic resin having zero to ten percent copper and graphite powders, pulling the impregnated strands of reinforcing fibers through a composite forming die for forming a body having the peripheral configuration of the friction units, and selectively cutting the body into a plurality of the friction units.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: October 31, 1995
    Assignee: Universal Design
    Inventor: Benjamin V. Booher