Patents Assigned to Koehring Canada
  • Apparatus for centrifugal pulpwood and wood chip grinding
    Patent number: 4474335
    Abstract: There is provided a centrifugal grinder which utilizes an internal grinding surface in the shape of a surface of revolution. A rotor is mounted coaxially within the grinding surface and has a central cavity defining at least one pocket through which material in the central cavity can contact the grinding surface. Material for grinding is delivered to the central cavity, and means are provided for rotating the rotor. Further means are incorporated in the rotor for applying water to the grinding surface.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: October 2, 1984
    Assignee: Koehring Canada
    Inventor: Allan J. Wildey