Patents by Inventor Leandro Nannini

Leandro Nannini 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).

  • Extrusion method with gas evacuation, and extrusion press
    Patent number: 5445004
    Abstract: In a billet-fed extrusion press, the movement of the container towards and against the die contained in the die slide at the beginning of an extrusion operation is opposed by auxialiary jacks (40), which maintain a gap of small thickness between the container and the die, so as to allow the escape of gas, until a predetermined thrust onto the container itself is reached.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: August 29, 1995
    Assignees: Breda Danieli Extrusion, Forging Presses SpA
    Inventors: Leandro Nannini, Franco Libera