Patents Assigned to Kreyenborg, Inc.
  • Filter device for extruders and injection-molding machines
    Patent number: 5607583
    Abstract: The invention relates to a filter device for extruders and injection-molding machines for the continuous processing of thermoplastic, the throughflow bore in the screen plunger being of a round design in the region of the inlet side and of the screen chamber and narrowing ovally following on from the rear side of the screen pack, the long axis of the oval extending in the direction of the displacement direction of the screen plunger.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: March 4, 1997
    Assignee: Kreyenborg, Inc.
    Inventor: Jan-Udo Kreyenborg