Patents by Inventor Giuliano Frau

Giuliano Frau 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 and apparatus for molding polyurethane soles for footwear
    Patent number: 4302416
    Abstract: Two component polyurethane soles for footwear are molded continuously in an apparatus including a turntable with a plurality of mold stations therearound. While a first sole portion is being molded at one mold station, a second sole portion interconnecting the first sole portion to a lasted upper is molded at the same mold station. Such simultaneous molding is achieved using a mold bottom or top which retains the first sole portion and with such first sole portion forms part of the mold for forming the second sole portion. The second sole portion mold is completed by mold sides and a lasted upper.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: November 24, 1981
    Inventors: Guy Rudolf, Giuliano Frau
  • Process for the production of industrial parts of synthetic material comprising a rigid portion surmounted by a flexible portion and the industrial part produced by said process
    Patent number: 4286001
    Abstract: The present invention concerns a process for the production of industrial parts of synthetic material comprising a portion of a rigid material surmounted by a portion of a flexible material, and in particular industrial parts serving as a means for making a seal between different parts of heating or air-conditioning equipment.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: August 25, 1981
    Assignee: Les Manufactures de Saint Marcel
    Inventor: Giuliano Frau