Beverage package

Claim 1

A BEVERAGE CONTAINER BAG ADAPTED TO BE FABRICATED FROM LONGITUDINALLY SIDE-FOLDED SYNTHETIC THERMOPLASTIC TUBULAR FILM STOCK BY TRANSVERSE SEAM WELDS AND SEPARATING CUTS AND ADAPTED FOR CONVENIENT USE OF A DRINKING STRAW IN REMOVING THE CONTACTS, SAID BAG COMPRISING: FIRST AND SECOND MAIN WALL FILM PORTIONS OF EQUAL WIDTH AND GENERALLY RECTANGULAR, FLAT AND PARALLEL TO EACH OTHER WHEN THE BAG IS UNFILLED; THE MAIN WALL PORTIONS HAVING A LIQUID-TIGHT CONNECTION ACROSS AND BETWEEN THEIR BOTTOMS; A TOP STRUCTURE INCLUDING FIRST AND SECOND MINOR FILM PORTIONS RUNNING ACROSS THE ENTIRE TOP WIDTH OF THE MAIN WALL PORTIONS, SAID MINOR PORTIONS OVER A SUBSTANTIAL PART OF THEIR VERTICAL EXTENT, BEGINNING AT COTERMINOUS BOTTOM MARGINS AND OVER THE ENTIRE WIDTH OF THE MAIN WALL PORTIONS, HAVING A FACT-TO-FACE CONTACT WITH EACH OTHER AND BEING IN SANDWICHED RELATION EXTENDING INWARDLY BETWEEN TOP REGIONS OF THE MAIN WALL PORTIONS; THE UPPER OUTER MARGINS OF THE MINOR FILM PORTIONS HAVING RESPECTIVE LIQUID-TIGHT CONNECTIONS TO RESPECTIVE MAIN WALL PORTIONS ACROSS THE ENTIRE WIDTH OF THE BAG; RESPECTIVE SIDE SEAM WELDS RUNNING UPWARD FROM THE LIQUID-TIGHT CONNECTION AT THE BOTTOM TO THE SAID RESPECTIVE LIQUID-TIGHT CONNECTIONS; A FURTHER SEAM WELD HAVING A DRINKING STRAW-INSERTION GAP AND JOINING THE SAID MINOR PORTIONS AT A LOCATION SPACED UPWARDLY FROM SAID BOTTOM MARGINS AND RUNNING FROM ONE SAID SIDE SEAM WELD TO THE OTHER, THE FACE-TO-FACE CONTACT OF SAID MINOR FILM PORTIONS INWARD OF THE LAST SAID SEAM WELD AFFORDING A CHECK VALVE-LIKE ACTION IMPEDING ESCAPE OF LIQUID UPON WITHDRAWAL OF A STRAW PREVIOUSLY INSETED INTO THE BAG AT SAID GAP; ONE MAIN WALL PORTION AND THE ADJACENT MINOR FILM PORTION BEING LONGER RESPECTIVELY THAN THE OTHER MAIN WALL AND MINOR FILM PORTIONS.