Patents Assigned to Werner Stahl
  • Patent number: 5110611
    Abstract: A process and an apparatus for extruding or pressing out a wet material is described, in which the material is forced through a perforated plate, while exerting a pressure. Apart from the contact pressure, the material is subject to the action of a shear force, which acts substantially at right angles to the material conveying direction.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: May 5, 1992
    Assignee: Werner Stahl
    Inventors: Werner Stahl, Hans Buggisch