Patent ID: 6752943
Filing Date: 2004-06-22
Classification: B01J

Abstract:
A method for forming granules comprising,a) providing an extruder, said extruder including a chamber , said chamber having a bottom and a chamber inlet, b) locating an apertured plate in said bottom of said chamber, c) postioning a spiral worm screw within said chamber, said spiral worm screw including a guiding slant, said guiding slant terminating at a blunt edge, d) locating said blunt edge at a distance from said apertured plate, e) providing a granulation material, f) inserting said granulation material into said chamber through said chamber inlet, g) rotating said spiral worm screw and rubbing said granulation material against said apertured plate for increasing a pressure between said granulation material and said apertured plate, h) using said pressure for transforming said granulation material into a semi-solid material, i) extruding said semi-solid material through said apertured plate, and j) hardening said semi-solid material into granules.