Mixing apparatus

Claim 1

IN AN APPARATUS FOR THE CONTINUOUS MIXING OF MATERIALS AND FOR THE CONTINUOUS DISCHARGE OF THE RESULTING MIXTURE, SAID APPARATUS COMPRISING A HOUSING HAVING A FEED END AND A DISCHARGE END, A PAIR OF PARALLEL SHAFTS IN SAID HOUSING, MEANS FOR DRIVING SAID SHAFTS TO ROTATE BOTH SHAFTS IN THE SAME DIRECTION, SAID SHAFTS HAVING THEREON A SERIES OF PAIRS OF MATED MIXING AND SHEARING PADDLES ARRANGED LENGTHWISE OF SAID SHAFTS AND WITHIN SAID HOUSING, EACH OF SAID MATED PAIRS COMPRISING A PADDLE MOUNTED ON ONE OF SAID SHAFTS AND A COOPERATING AND ALIGNED PADDLE MOUNTED ON THE OTHER OF SAID SHAFTS, EACH MATED PADDLE BEING ELONGATED AND HAVING AN ARCUATE EDGE AND A WIPING TIP, THE CONSTRUCTION AND ARRANGEMENT BEING SUCH THAT DURING THE ROTATION OF SAID SHAFTS AND OF THE PADDLES CARRIED THEREBY, SAID TIPS WIPE AGAINST THE ARCUATE EDGES OF THE MATED, PAIRED PADDLES, SAID PAIRS OF PADDLES INCLUDING FORWARDLY PITCHED PAIRS WHOSE EDGES AND TIPS ARE PITCHED IN A DIRECTION TO MOVE THE MATERIALS IN SAID HOUSING AWAY FROM SAID FEED END AND TOWARD THE DISCHARGE END, THE IMPROVEMENT WHICH COMPRISES A DISCHARGE OPENING IN SAID HOUSING ADJACENT SAID DISCHARGE END FOR THE DISCHARGE OF SAID MIXTURE IN A DIRECTION GENERALLY TRANSVERSE OF SAID SHAFTS, SAID DISCHARGE OPENING HAVING AN EDGE MORE REMOTE FROM SAID FEED END AND AN UPSTREAM EDGE CLOSE TO SAID FEED END, AND MOUNTED ON SAID SHAFTS AND ADJACENT SAID MORE REMOTE EDGE, A MATED PAIR OF SAID MIXING AND SHEARING PADDLES, THE PADDLES OF SAID LATTER PAIR BEING REVERSED PITCH PADDLES HAVING THEIR MATING EDGES AND TIPS PITCHED IN A DIRECTION TO MOVE THE MIXTURE TOWARD SAID FEED END.