Processing plastic and other multiphase materials

Claim 1

APPARATUS FOR PROCESSING PLASTIC AND OTHER MULTIPHASE MATERIALS WHICH COMPRISES A CASING, A PAIR OF PARALLEL ROLLS ROTATABLY MOUNTED IN THE CASING IN WORKING PROXIMITY TO ITS INNER WALLS, A MULTIPLICITY OF OPPOSITELY INCLINED LONGITUDINAL GROOVES IN THE PERIPHERAL SURFACES OF THE ROLLS, INLET AND OUTLET PORTS AT THE RESPECTIVE ENDS OF THE CASING, SHEAR MEANS PLACED BETWEEN THE ROLLS AND EXTENDING LONGITUDINALLY THEREOF, A CHAMBER LOCATED BETWEEN THE ROLLS OPPOSITE THE SHEAR MEANS, THE CHAMBER COMMUNICATING WITH THE INLET AND OUTLET PORTS AND ADAPTED TO CONTAIN A BANK OF THE MATERIAL, AND DRIVE MEANS CONNECTED TO THE ROLLS FOR ROTATING THEM IN OPPOSITE DIRECTIONS AND FOR DRIVING THE MATERIAL AGAINST THE SHEAR MEANS, THE SHEAR MEANS AND GROOVES COACTING TO SHEAR OFF SMALL PIECES OF THE MATERIAL, TO WORK THEM AGAINST THE CASING INNER WALLS, AND TO RETURN THEM TO THE BANK WHILE ADVANCING THE BANK TOWARD THE OUTLET PORT.