Patents by Inventor George W. Howell

George W. Howell 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).

  • Apparatus for steam lamination
    Patent number: 4923555
    Abstract: Two sheets of material are laminated together using a heat-activatable or moisture-curing adhesive by:(a) forming a layered composite of the material with a layer of the adhesive in between;(b) passing steam (preferably superheated) through one sheet of material into the adhesive layer;(c) compressing the heated composite before the adhesive sets;(d) releasing the pressure on the composite; and(e) allowing the adhesive to fully cure.A laminating machine is disclosed that pulls the composite between two open weave belts, past narrow jets of the steam.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: May 8, 1990
    Assignee: Astechnologies, Inc.
    Inventors: George M. Elliott, Ervin L. Watford, Jr., George W. Howell