Flexible container

Claim 1

AN INTERNALLY STERILE FLEXIBLE COLLAPSIBLE PLASTIC CONTAINER ADAPTED TO BE PLACED IN A RELATIVELY STIFF GENERALLY CYLINDRICAL OPEN MOUTH HOLDER WITH THE TOP OF THE CONTAINER PULLED OUT AND DOWN OVER THE TOP OF THE GENERALLY CYLINDRICAL HOLDER, SAID CONTAINER BEING MADE OF TWO THICKNESS OF SHEET PLASTIC CONTINUOUSLY JOINED TOGETHER AROUND THE EDGES THEREOF AND BEING DEVOID OF ANY OPENINGS FROM THE EXTERIOR INTO ITS STERILE INTERIOR, A TRANSVERSE SEAL EXTENDING FULLY ACROSS AND CLOSING THE TOP REGION OF SAID CONTAINER, A TRANSVERSE LINE OF SOCIALIZED WEAKENING EXTENDING ACROSS THE TOP END OF SAID CONTAINER FOR LOCALIZING PARTING, AND A SECOND LINE OF LOCALIZED WEAKENING EXTENDING LONGITUDINALLY OF THE CONTAINER FROM THE TRANSVERSE LINE OF WEAKENING DOWN A SUBSTANTIAL DISTANCE THEREFROM, THE LOCUS OF SAID CONTAINER IMMEDIATELY BELOW THE BOTTOM OF SAID SECOND LINE OF WEAKENING CONSTITUTING IN USE THE MOUTH OF THE CONTAINER, WHEREBY THE PULLING APART OF SAID LINES OF WEAKENING WILL FORM DIAMETRICALLY OPPOSED TAB EXTENSIONS OF SUFFICIENT LENGTH TO BE WELL GRASPED BY THE FINGERS TO FACILITATE PULLING THE MOUTH OF THE CONTAINER OUTWARDLY AND DOWNWARDLY OVER THE TOP EDGE OF THE GENERALLY CYLINDRICAL HOLDER WITHOUT THE FINGERS EVER HAVING TOUCHED THE STERILE INSIDE OF THE CONTAINER FROM ITS MOUTH DOWN.