Patents Assigned to ITAP S.p.A.
  • Check valve with self-guided shutter in the valve body
    Patent number: 4766930
    Abstract: A fluid-delivery check valve is described, in which the body and a sleeve threaded thereon define a chamber with inlet and outlet ports therein. A plate shutter interacts with the valve seat and has peripherically thereof guiding wings which are positioned parallel to the axis of the shutter and slide on the inner surface of the chamber. The specific design of the shutter prevents oblique positioning of the valve stem and simplify the structure and operation of the valve.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: August 30, 1988
    Assignee: ITAP S.p.A.
    Inventor: Vincenzo Patti