Patents by Inventor Herbert A. Leflet, Jr.

Herbert A. Leflet, Jr. 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).

  • Patent number: 4670036
    Abstract: A method of and apparatus for press bending glass sheets to a desired shape wherein heated glass sheets are advanced on a series of contoured conveyor rolls having arcuately curved central portions, into position above a press member of outline or ring-type construction. The press member includes a continuous peripheral shaping rail adapted to engage and lift the sheets from the conveyor rolls for pressing between complemental shaping surfaces. The end segments of the contoured rolls extend beneath the shaping rail and away from the glass sheets, and free-wheeling rollers are provided adjacent the shaping rail for supporting the end segments of the sheets while the shaping rail is in its retracted or lowered position.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: June 2, 1987
    Assignee: Libbey-Owens-Ford Co.
    Inventors: Allan T. Enk, Jeffery R. Flaugher, Floyd T. Hagedorn, Herbert A. Leflet, Jr.