Patents Assigned to Friction Products Inc.
  • Patent number: 3932568
    Abstract: Molded articles of carbon or graphite suitable as heat absorbing or friction elements in brakes for jet aircraft are made by coating devolatilized carbon particles with a phenolic resin, especially boronated phenolic resin, reducing the volatile content of the coated carbon to below a critical value, mixing these with a resin coated or uncoated powdered abrasive, molding under critical pressures and temperatures, and then post-curing the resin and carbonizing and optionally graphitizing the product according to a schedule whereby delamination is avoided.
    Type: Grant
    Filed: June 26, 1973
    Date of Patent: January 13, 1976
    Assignee: Friction Products Inc.
    Inventors: Willie H. Watts, Francis J. Lowey, deceased, BY Old Phoenix National Bank, executor