Patents by Inventor Timothy E. Chilva

Timothy E. Chilva 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).

  • Method of preparing sheets of fiber reinforced thermoplastic resin or subsequent molding in a press
    Patent number: 4802843
    Abstract: A method and apparatus for heating fibers reinforced thermoplastic sheets is disclosed. The apparatus involves use of gas heating ovens adapted to allow several layers of material to be heated continuously, with the conveyors stacked are above the other. Stacking of the heated product can be provided at the oven exit. Provisions for cleaning and diffusing the gases over the work piece are also described.
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: February 7, 1989
    Assignee: Azdel, Inc.
    Inventor: Timothy E. Chilva
  • Circulating gas oven for heating fiber reinforced thermoplastic resin sheets
    Patent number: 4793802
    Abstract: A method and apparatus for heating fibers reinforced thermoplastic sheets is disclosed. The apparatus involves use of gas heating ovens adapted to allow several layers of material to be heated continuously, with the conveyors stacked are above the other. Stacking of the heated product can be provided at the oven exit. Provisions for cleaning and diffusing the gases over the work piece are also described.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: December 27, 1988
    Assignee: Azdel, Inc.
    Inventor: Timothy E. Chilva
  • Oven for heating and stacking thermoplastic fiber reinforced resin sheets
    Patent number: 4767321
    Abstract: A method and apparatus for heating fibers reinforced thermoplastic sheets is disclosed. The apparatus involves use of gas heating ovens adapted to allow several layers of material to be heated continuously, with the conveyors stacked are above the other. Stacking of the heated product can be provided at the oven exit. Provisions for cleaning and diffusing the gases over the work piece are also described.
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: August 30, 1988
    Assignee: Azdel, Inc.
    Inventor: Timothy E. Chilva