Attrition mill apparatus

Claim 1

IN DISC-TYPE ROTATING ATTRITION MILL APPARATUS HAVING AN ESSENTIALLY HORIZONTAL AXIS AND A ROTOR MOUNTED THEREON FOR COOPERATING ATTRITION WORK WITH RESPECT TO BOTH OF TWO OPPOSED NON-ROTATING ATTRITION DISCS BETWEEN WHICH SAID ROTOR ROTATES, THE COMBINATION WHICH COMPRISES A HORIZONTAL SHAFT FOR SAID ROTOR, BEARING MEANS FOR MOUNTING SAID SHAFT IN SAID APPARATUS FOR ROTATION OF SAID ROTOR BETWEEN SAID OPPOSED NON-ROTATING DISCS, SAID BEARING MEANS INCLUDING MEANS FOR FREE AXIAL FLOATING DISPLACEMENT OF SAID SHAFT AND SAID ROTOR WITH RESPECT TO SAID NON-ROTATING DISCS, DRIVE MEANS FOR ROTATING SAID ROTOR THROUGH SAID SHAFT, MEANS FOR AXIALLY DISPLACING AND ADJUSTING THE AXIAL POSITIONING OF AT LEAST ONE OF SAID NONROTATING DISCS WITH RESPECT TO THE OTHER AND WITH RESPECT TO SAID ROTOR, SAID AXIAL DISPLACING AND ADJUSTING MEANS BEING MOUNTED IN SAID APPARATUS FOR AXIAL MOVEMENT OF SAID STANTIALLY INDEPENDENTLY OF SAID AXIAL MOVEMENT OF SAID FLOATING ROTOR AND SAID SHAFT, AND MEANS FOR INTRODUCING MATERIAL TO BE TREATED INTO SAID APPARATUS AT OPPOSITE SIDES OF SAID ROTOR AND FOR WITHDRAWING THE MATERIAL THEREFROM AFTER TREATMENT THEREIN.