Centrifugal cleaner for paper making stock and the like

Claim 1

AAPPRATUS FOR CENTRIFUGALLY CLEANING A FLUID MATERIAL HAVING PARTICLES OF HIGHER SPECIFIC GRAVITY DISPERSED THEREIN, COMPRISING MEANS DEFINING A GENERALLY TOROIDAL SHAPED INLET CONDUIT HAVING INLET AND OUTLET OPENINGS ARRANGED FOR DIRECTING A CONTINUOUS FLOW OF MATERIAL IN A MANNER THAT A PORTION OF THE LARGER PARTICLES ARE URGED OUTWARDLY IN SAID CONDUIT BY CENTRIFUGAL FORCE, A PLURALITY OF TUBULAR CONES EACH HAVING OPEN ENDS AND AN INTERMEDIATE TANGENTIAL INLET PASSAGEWAY, EACH SAID CONE EXTENDING RADIALLY IN RELATION TO SAID TOROIDAL SHAPED INLET CONDUIT, MEANS CONNECTING EACH SAID PASSAGEWAY TO SAID INLET CONDUIT TO RECEIVE MATERIAL FROM THE INWARD PORTION OF SAID INLET CONDUIT, MEANS DEFINING A REJECT CONDUIT INTERCONNECTING THE SMALLER OPEN ENDS OF SAID CONES, A CLOSURE FOR THE LARGER END OF EACH SAID CONE AND EACH CLOSURE INCLUDING A CENTRAL PASSAGEWAY, AND AN OUTLET CONDUIT INTERCONNECTING THE CENTRAL PASSAGEWAYS OF SAID CLOSURES TO RECEIVE THE CLEANING MATERIAL FROM EACH OF SAID CONES.