Temperature-controlled mixing machine

Claim 1

IN A MIXING MACHINE HAVING AN MIXING CHAMBER AND A CONTROL CHAMBER SEPARATED BY AN INTERVENING WALL COMMON TO BOTH CHAMBERS, MIXING MEANS OPERABLE IN SAID MIXING CHAMBER, OTHER WALLS MEANS CLOSING SAID CONTROL CHAMBER ON THE OUTER SIDE THEREOF, SAID INTERVENING WALL HAVING SMOOTH PARALLEL PASSAGES LYING WITHIN THE SAME, A PARTITION WALL EXTENDING TRANSVERSE TO SAID PASSAGES AND DISPOSED BETWEEN SAID INTERVENING WALL AND SAID OTHER WALL MEANS AND DIVIDING SAID CONTROL CHAMBER INTO COMPARTMENTS LYING ON OPPOSITE SIDES OF SAID PARTITION WALL, SAID PASSAGES BEING CONNECTED ADJACENT THEIR OPPOSITE ENDS WITH THE RESPECTIVE COMPARTMENTS AT POINTS OF THE LATTER RELATIVELY REMOTE FROM SAID PARTITION WALL, AND MEANS FOR CONNECTING A HEAT-EXCHANGE FLUID DELIVERY AND EXHAUST MEANS WITH THE RESPECTIVE COMPARTMENTS AT POINTS ADJACENT SAID PARTITION WALL WHEREBY HEAT EXCHANGE FLUID DELIVERED TO ONE COMPARTMENT FLOWS THERETHROUGH INC ONTACT WITH A PORTION OF THE OUTER SURFACE OF SAID COMMON WALL, THROUGH SAID PASSAGES AND THEN THROUGH ANOTHER COMPARTMENT IN CONTACT WITH ANOTHER PORTION OF SAID COMMON WALL.