Patents by Inventor Giovanni Portinari

Giovanni Portinari 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: 4157452
    Abstract: A screen for electric power cables comprising a metal tape with a coating on one side of a thermoplastic with parallel metal wires extending longitudinally of the tape and along non-rectilinear paths partially embedded in the coating and preferably contacting the tape. The tape may also be coated with a plastic on the opposite side with a plastic which will provide good adherence to an insulating sheath. Also, a cable including such screen around the conductor thereof and the insulation on the conductor, and a method for making the screen which comprises heating a so-coated tape, applying the wires to the heated coating in non-rectilinear, parallel paths, pressing the wires into the coating and allowing the latter to cool.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: June 5, 1979
    Assignee: Industrie Pirelli Societa per Azioni
    Inventors: Vincenzo Pignataro, Giovanni Portinari