Concrete placement machine

Claim 1

IN A MACHINE FOR MOVING WET CONCRETE MIXES OR THE LIKE FROM A SUPPLY STATION TO A BUILDING AREA AT A REMOTE LOCATION WITH RESPECT TO SAID SUPPLY STATION, THE IMPROVEMENT COMPRISING, (1) A PAIR OF VESSELS CONTAINING THE MIX UNDER PRESSURE AND FORMED BY ROUND HOPPERS TAPERED AT THEIR DISCHARGE ENDS TO CONNECT TO INDIVIDUAL DISCHARGE SPOUTS (2) A PLURALITY OF NOZZLES CONNECTED WITH SAID SPOUTS INTERMEDIATE THE ENDS OF EACH OF AND SPOUTS, SAID NOZZLES BEING CONNECTED WITH A SOURCE OF AIR UNDER PRESSURE AND ARRANGED TO DELIVER AIR UNDER PRESSURE AT SPACED LOCATIONS WITHIN SAID SPOUTS, (3) A SHUTTLE VALVE AT THE DISCHARGE END OF SAID NOZZLE SELECTIVELY OPERABLE TO KEEP ONE NOZZLE CLOSED WHILE CONNECTING ANOTHER TO AN OUTLET, (4) A FLEXIBLE CONDUIT HAVING AN INLET END ATTACHED TO SAID OUTLET AND AN OPEN DISCHARGE END REMOTE FROM SAID OUTLET, (5) A DISCHARGE NOZZLE ON THE OPEN DISCHARGE END OF SAID CONDUIT HAVING AN UPWARDLY INCLINED DIFFUSER SECTION WITH AN AIR VENT ON THE TOP OF SAID DIFFUSER SECTION ADJACENT ITS DOWNSTREAM END, AND (6) MEANS FOR DELIVERING SAID WET MIX TO SAID DIFFUSER SECTION IN A SOLID STREAM AT A RATE TO PARTIALLY FILL SAID DIFFUSER SECTION AND VENT THE AIR PRESSURE IN THE STREAM.