Process of making containers

Claim 1

THE PROCESS OF MAKING AN INTEGRAL ONE-PIECE CYLINDRICAL POLYETHYLENE CONTAINER HAVING AN OPENING IN THE TOP THEREOF WHICH COMPRISES FORMING A CYLINDIRCAL SIDE WALL MEMBER CONSISTING OF POLYETHYLENE AND FLANGED TOP AND BOTTOM WALL MEMBERS CONSISTING OF POLYETHYLENE, THE TOP WALL MEMBER HAVING AN OPENING THEREIN, ASSEMBLING SAID MEMBERS IN THE SHAPE OF THE CONTAINER WITH AN INFLATABLE FLEXIBLE DIAPHRAGM ON THE INSIDE THEREOF, SAID DIAPHRAGM BEING SHAPED TO THE CONTOUR OF THE MEETING SIDE WALL WITH THE TOP AND BOTTOM WALLS OF THE CONTAINER AND HAVING A NECK EXTENDING THROUGH SAID OPENING, SAID FLANGED MEMBERS BEING DISPOSED AT THE ENDS OF SAID CYLINDRICAL MEMBER WITH THEIR FLANGED PORTIONS OVERLAPPING SAID ENDS, ENCLOSING THE ASSEMBLY OF SAID MEMBERS AND SAID DIAPHRAGM IN A SUPPORTING MOLD CAVITY WITH SAID NECK PROJECING THROUGH A WALL OF SAID CAVITY, INFLATING FLUID DIAPHRAGM BY INTRODUCING AN INFLATING FLUID THROUGH SAID NECK AND THEREBY CAUSING SAID DIAPHRAGM TO PRESS SAID MEMBERS OUTWARDLY AGAINST SAID MOLD CAVITY AND TO PASS SAIS MEMBERS TOGETHER AT THEIR OVERLAPPING EDGE PORTIONS, HEATING SAID MEMBERS TO A TEMPERATURE ABOVE THE SOFTENING POINT THEREOF WHILE SO PRESSING WITH SAID DIAPHRAGM AND THEREBY CAUSING COALESCENCE