Patents Assigned to F. Pettinaroli, S.p.A.
  • Universal ball valve assembly
    Patent number: 6702258
    Abstract: A ball valve assembly having a single valve body having a female inlet opening which can be coupled to a selected one of a range of commercially available conduit sizes and materials. A series of adapter fittings are used, each corresponding to a different conduit size. The adapter ring is seated against the valve inlet opening. A compression ring mounted on the conduit is inserted in the valve opening to abut the adapter ring. A compression nut is mounted on the valve body to compress the compression ring to frictionally engage the conduit.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: March 9, 2004
    Assignee: F. Pettinaroli, S.p.A.
    Inventor: Giulio Pettinaroli