Patents Assigned to Nivoba B.V.
  • Strainer device
    Patent number: 4024062
    Abstract: A device for straining substances suspended in liquid having a hollow straining member in the form of a stationary body of revolution having a diameter continuously decreasing on the feed side, wherein inside the straining member a rotatable body of rotation is disposed whose outer wall is spaced at a short distance from the inner wall of the straining member in order to achieve that the layer of material to be strained is clogged at overloaded places on the strainer.
    Type: Grant
    Filed: July 24, 1973
    Date of Patent: May 17, 1977
    Assignee: Nivoba B.V.
    Inventor: Herman Holthuis