Patents by Inventor L. Deardurff

L. Deardurff 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).

  • Publication number: 20050267282
    Abstract: A process for preparing an RPET polymer blend component comprises providing a quantity of RPET flakes, comminuting the RPET flakes to prepare RPET particles having an average mean particle size from about 500 microns to about 5 microns, adding at least one specialty additive to the RPET particles, and mixing the RPET particles and specialty additive, to prepare a homogeneous blend of RPET carrier and specialty additive.
    Type: Application
    Filed: February 17, 2004
    Publication date: December 1, 2005
    Inventor: L. Deardurff
  • Publication number: 20050225008
    Abstract: A method and apparatus for compression molding plastic articles include a plurality of tools mounted in opposed pairs with the tools of each pair including opposed first and second actuators that define a mold cavity in which a charge of plastic is compression molded. The tooling is preferably carried by a rotary turret so that first and second actuators of each tooling pair are moveable relative to each other between an open position permitting formed articles to be removed from the tooling and to receive fresh charges of plastic, and a closed position to compression mold the charges of plastic.
    Type: Application
    Filed: April 8, 2004
    Publication date: October 13, 2005
    Inventors: L. Deardurff, Richard Farquharson, George Knapik, Thomas Nahill, Gregory Ritz, Michael Rymer, John Wright