Patents by Inventor Pezzi Lauro

Pezzi Lauro 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 forming bellings on thermoplastic pipes
    Patent number: 5863569
    Abstract: A tool for automatically forming on thermoplastic pipes, bellings of considerable longitudinal extension for sealingly joining pipes subject to high stresses. The tool includes a shaped spindle on which there is axially inserted a heated end of the thermoplastic pipe, and a first and second mechanical body that receives pressurized fluids which act on the pipe. The heated pipe end is plastically deformed in the region of the shaped portion of the spindle to form an annular seat and bell portion of the belling.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: January 26, 1999
    Assignee: S.I.C.A. Serrande, Infissi, Carpenteria, Attrezzatura S.p.A.
    Inventors: Savioli Leopoldo, Pezzi Lauro