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Abstract
A VALVE SACK OPENER AND CARRIER MECHANISM FOR OPENING THE VALVE OF THE SACK BY INJECTION OF A PRESSURIZED AIR STREAM, AND CARRYING THE SACK, WITH THE VALVE IN OPEN POSITION, TO THE SPOUT OF A FILLING MACHINE, COMPRISING A CARRIER HAVING A PAIR OF MEMBERS PIVOTALLY CONNECTED TO A MOVABLE SUPPORT, THE MEMBERS BEING PIVOTALLY MOVABLE TRANSVERSELY INTO SACK RECEIVING AND SUPPORTING POSITION AND INTO SACK FLAP ENGAGING POSITION FOR MAINTAINING THE VALVE IN OPEN POSITION DURING TRAVEL OF THE SACK TO THE SPOUT OF
A FILLING MACHINE. SWITCH MEANS ACTIVATED BY A SWITCH CONTACTING PAD ON THE CARRIER OPERATES AN AIR NOZZLE FOR INJECTION OF AIR INTO THE VALVED FLOP OF THE SACK DURING A PREDETERMINED PART OF THE TRAVEL OF THE CARRIER.
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