Mixing process for producing polyurethane plastics

Claim 1

THE PROCESS OF PRODUCING A REACTION MIX FOR THE PRODUCTION OF A POLYURETHANE PLASTIC IN A GENERALLY CYLINDRICAL MIXING ZONE HAVING THEREIN ROTOR DISCS COOPERATING WITH STATIONARY DISCS, WHICH PROCESS COMPRISES, CONTINUOUSLY FEEDING TO THE AXIAL REGION AT THE UPPER PORTION OF SAID MIXING ZONE A STREAM OF POLYISOCYANATE FORMULATION MIXTURE AND FLOWING SAID STREAM FROM SAID AXIAL REGION TOWARD THE PERIPHERY OF SAID MIXING ZONE; CONTINOUSLY FEEDING A STREAM OF POLYOL FORMULATION MIXTURE INITIALLY TO THE PERIPHERY OF THE UPPER PORTION OF SAID MIXING ZONE INTO ADMIXTURE WITH THE POLYISOCYANATE FORMULATION MIXTURE FLOWING THERETHROUGH; FLOWING THE RESULTANT MIXTURE THROUGH A SINUSOIDAL PATH DEFINED BY SAID ROTOR DISCS AND SAID STATINARY DISCS, SAID PATH HAVING ALTERNATE COMPONENTS EXTENDING FROM THE PERIPHERY TO THE AXIAL REGION OF SAID MIXING ZONE AND THE OTHER COMPONENTS EXTENDING FROM THE AXIAL REGION TO THE PERIPHERY OF SAID MIXING ZONE, SAID MIXTURE WHILE FLOWING THROUGH SAID COMPONENTS WHICH EXTEND FROM THE AXIAL REGION TO THE PERIPHERY