Rubber foam mixer

Claim 1

IN APPARATUS FOR PROCESSING LATEX THE CONBINATION OF A FOAM MIXER AND AN AERATOR, THE MIXER HAVING CIRCULARLY ARRANGED STATOR BLADES, A DRIVEN SHAFT ARRANGED AXIALLY OF SAID STATOR BLADES, A ROTOR SECURED TO SAID SHAFT AND HAVING BLADES ARRANGED FOR COOPERATION WITH SAID STATOR BLADES, MEANS DEFINING A TUBULAR INLET OPENING ARRANGED COAXIALLY OF SAID SHAFT FOR FEEDING LATEX INTO SAID HOUSING, THE AERATOR HAVING A T SHAPED CONDUIT WITH CONICALLY TAPERED WALLS FORMING A PASSAGE DEFINING A CONVERGING PATH OF FLOW FOR LATEX THROUGH ONE ARM, SAID ARM ATTACHED TO AND AXIALLY ALIGNED WITH SAID TUBULAR INLET, A CYLINDRICAL HOUSING PROVIDED WITH AN AXIAL BORE, THE HOUSING OF LESS DIAMETER THAN AND AXIALLY MOUNTED IN SAID PASSAGE WITH ONE END SUBSTANTIALLY CONCENTRIC WITH SAID TAPERED WALLS, A METERING ROD OF LESS DIAMETER THAN SAID BORE CENTERED IN AND EXTENDING AT LEAST THE LENGTH OF SAID BORE AND ADAPTED FOR LONGITUDINAL MOVEMENT, MEANS DEFINING A TUBULAR AIR INLET COMMUNICATING WITH SAID BORE, BORE BLOCKING MEANS ON THE END OF SAID ROD AT SAID ONE END OF SAID HOUSING AND ADAPTED TO DEFLECT THE FLOW OF AIR FROM THE BORE ACROSS SAID PATH OF FLOW OF LATEX IN SAID PASSAGE, MEANS ON THE END OF SAID ROD OPPOSITE SAID BORE BLOCKING MEANS ADAPTED TO MOVE SAID ROD LONGITUDINALLY IN SAID BORE, MEANS ON SAID CONDUIT FOR VARYING THE LENGTH OF SAID HOUSING IN SAID PASSAGE, AND A FREE END EXTENSION ON SAID MIXER SHAFT EXTENDING INTO SAID LATEX INLET OPENING, RADIALLY SPACED FROM THE WALLS THEREOF AND AXIALLY ALIGNED WITH SAID PASSAGE IN SAID AERATOR, WHEREBY THE LATEX PASSING THROUGH SAID HOUSING IS AERATED AND FORMED INTO A TUBULAR SHAPE AS IT PASSES FROM THE AERATOR TO THE MIXER.