Disposable liquid container

Claim 1

IN A CONTAINER FOR A LIQUID MATERIAL, A THIN-WALLED TUBULAR MEMBER FORMED OF A FLEXIBLE MATERIAL, THE OUTER ENDS OF SAID TUBULAR MEMBER BEING HEAT SEALED TO FORM A FLUID-TIGHT CONSTRUCTION, A NECK PORTION INTEGRALLY FORMED ON ONE OF SAID SEALED ENDS AND PROJECTING OUTWARDLY WITH RESPECT THERETO, SAID NECK PORTION BEING INITIALLY SEALED AT THE EDGES THEREOF AND THE INTERIOR THEREOF COMMUNICATING WITH THE INTERIOR OF SAID TUBULAR MEMBER, THE SEALED OUTERMOST EDGE OF SAID NECK PORTION BEING SEVERABLE TO FORM A FILLING OPENING THEREIN THROUGH WHICH THE LIQUID MATERIAL IS POURED FOR FILLING SAID CONTAINER, THE WALLS OF SAID NECK PORTION BEING SUBSTANTIALLY FLAT WHEN SAID NECK PORTION IS SEVERED AND THEREAFTER BEING FLEXIBLY MOVABLE TO FORM A GENERALLY TUBULAR CONFIGURATION, A TUBULAR NOZZLE MEMBER OF RELATIVELY RIGID MATERIAL BEING INSERTABLE INTO THE OPEN END OF SAID NECK PORTION AFTER IT HAS BEEN SEVERED, THE TUBULAR FORMATION OF THE NECK PORTION CONFORMING TO THE TUBULAR CONFIGURATION OF SAID NOZZLE MEMBER, AND MEANS FOR SECURING SAID NOZZLE MEMBER IN SAID NECK PORTION.