Patents by Inventor Earl P. Carley

Earl P. Carley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Novel preform screens and preform product
    Patent number: 4923731
    Abstract: A novel preform screen for use in producing preforms for structural liquid composite molding is described. The screen has a raised edge provided around the screen to catch fibers as they are directed toward the screen surface during production of a preform. The preforms produced have a perimeter which is composed of chopped rovings oriented parallel to the edges of the preform.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: May 8, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Earl P. Carley, Philip L. Schell
  • High performance fiber ribbon product, high strength hybrid composites and methods of producing and using same
    Patent number: 4532169
    Abstract: The method of the present invention produces a tape of high performance reinforcing fibers having improved alignment between the fibers and improved maintenance of that alignment in processing and molding applications. The method involves contacting one or more of the continuous high performance reinforcing fibers with a polymer impregnated mat. The polymer is compatible with any polymeric material used in the subsequent processing or molding applications. The contacting is performed with the high performance fibers under tension, and the tension is removed when the fibers are properly aligned into a tape in contact with the impregnated mat. The tape material can be used with various molding compounds such as sheet molding compounds and high reinforcement content molding compounds and thermoplastic molding materials wherein the molding compound is contacted with the tape product.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: July 30, 1985
    Assignee: PPG Industries, Inc.
    Inventor: Earl P. Carley
  • High strength composite of resin, helically wound fibers and swirled continuous fibers and method of its formation
    Patent number: 4220497
    Abstract: A fiber reinforced resin composite and its formation method is disclosed. The process comprises applying resin in a metered amount to fiber strands, winding the coated strands onto a drum while simultaneously applying swirled continuous fibers to the area immediately to be covered by the strands as they are wound. The preferred material for both the wound strands and the swirled strand is fiber glass.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 2, 1980
    Assignee: PPG Industries, Inc.
    Inventor: Earl P. Carley
  • High strength composite of resin, helically wound fibers and chopped fibers and method of its formation
    Patent number: 4220496
    Abstract: A fiber reinforced resin composite and its formation method is disclosed. The process comprises applying resin in a metered amount to fiber strands, winding the coated strands onto a drum while simultaneously applying chopped fibers to the area immediately to be covered by the strands as they are wound. The preferred material for both the wound strands and the chopped strand is fiber glass.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 2, 1980
    Assignee: PPG Industries, Inc.
    Inventors: Earl P. Carley, Richard H. Ackley