Patents Assigned to Mascheninfabrik Andritz Actiengesellschaft
  • Pressure device and seal for filter belt machines
    Patent number: 4834884
    Abstract: A pressure device for machines for dewatering or filtering of suspensions, sludges or the like or for material to be pressed for the exertion of surface pressure on at least one circulating pressure belt which can be provided for supporting an equally circulating filter belt, which pressure device consists of an essentially completely hollow pressure bladder in the form of a closed frame in particular of essentially quadrangular shape viewed in top view of the pressure belt, which pressure bladder is subjectable to pressure medium and forms a very small, self-adjusting gap on the edge.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: May 30, 1989
    Assignee: Mascheninfabrik Andritz Actiengesellschaft
    Inventors: Dag Bergloff, Peter Scheucher, Rudolf Schieg, Giselher Stummer
  • Pressure device and seal for filter belt machines
    Patent number: RE35091
    Abstract: A pressure device for machines for dewatering or filtering of suspensions, sludges or the like or for material to be pressed for the exertion of surface pressure on at least one circulating pressure belt which can be provided for supporting an equally circulating filter belt, which pressure device consists of an essentially completely hollow pressure bladder in the form of a closed frame in particular of essentially quadrangular shape viewed in top view of the pressure belt, which pressure bladder is subjectable to pressure medium and forms a very small, self-adjusting gap on the edge.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: November 21, 1995
    Assignee: Mascheninfabrik Andritz Actiengesellschaft
    Inventors: Dag Bergloff, Peter Scheucher, Rudolf Schieg, Giselher Stummer