Methods of producing receptacles filled with a substance

Claim 1

A METHOD OF PRODUCING A RECEPTACLE FILLED EXCLUSIVELY WITH A SUBSTANCE, WHICH METHOD COMPRISES STARTING FROM A FLEXIBLE MATERIAL STRUCTURE FORMING AT LEAST TWO THIN WALLED POCKETS OF BULGING SHAPE AND COMMUNICATING TOGETHER THROUGH A DUCT, ONE OF SAID POCKETS BEING A CONTAINER POCKET AND THE OTHER AN AUXILIARY POCKET, WITH A CONDUIT STARTING FROM SAID AUXILIARY POCKET FORMING THE ONLY COMMUNICATION BETWEEN THE INSIDE OF SAID POCKETS AND THE OUTSIDE, PLACING SAID STRUCTURE IN AN AIRTIGHT CHAMBER, WITH SAID AUXILIARY POCKET UNDER SAID CONTAINER POCKET AND SAID CONDUIT EXTENDING DOWNWARDLY, FORMING A PARTIAL VACUUM IN SAID CHAMBER, WHEREBY, AIR IS EVACUATED THEREFROM WHILE LEAVING RESIDUAL AIR IN SAID POCKETS, INTRODUCING SAID SUBSTANCE IN THE LIQUID STATE INTO SAID CHAMBER UP TO A LEVEL ABOVE THE OPEN END OF SAID CONDUIT, OPENINT THE TOP OF SAID CHAMBER TO THE ATMOSPHERE TO DRIVE, BY MEANS OF THE ATMOSPHERE PRESSURE, SAID LIQUID INTO SAID TWO POCKETS TO FILL UP THE LOWER ONE AND TO TRAP THE RESIDUAL AIR INTO THE TOP OF THE UPPER ONE, TURNING SAID STRUCTURE UPSIDE DOWN WHILE PREVENTING OUTFLOW OF LIQUID FROM SAID POCKETS, WHEREBY SAID LIQUID SUBSTANCE FILLS UP SAID CONTAINER POCKET WHEREAS ALL THE AIR PRECEDINGLY ENTRAPPED IN SAID CONTAINER POCKET PASSES INTO SAID AUXILIARY POCKET, STOPPING SAID DUCT AND SEVERING SAID AUXILIARY POCKET FROM SAID CONTAINER POCKET.