Patents Assigned to Hubner-Vamag Aktiengesellschaft & Co. Kommanditgesellschaft
  • Stopcock formed of sheet metal
    Patent number: 4180244
    Abstract: A stopcock with the exception of its shaft, journal and bearings, is constructed of a plurality of sheet metal parts welded together to form a housing and a plug rotatably mounted in the housing. The housing is made up of a tubular member with ring disks welded to its opposite ends. The plug is made up of ball-shaped half shells and annular disk cores welded to the half shells. A tubular plate is welded into the half shell and forms the flow passage through the stopcock.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: December 25, 1979
    Assignee: Hubner-Vamag Aktiengesellschaft & Co. Kommanditgesellschaft
    Inventor: Johann Rosenitsch