Parenteral fluid container and closure assembly therefor

Claim 1

IN A PLASTIC CONTAINER HAVING SIDE WALL SECTIONS AND AT LEAST ONE TUBULAR PASSAGE MEANS COMMUNICATING WITH THE INTERIOR OF THE CONTAINER SEALABLY POSITIONED BETWEEN THE SAID SIDE WALL SECTIONS THEREOF AND EXTENDING OUTWARDLY THEREFROM, THE IMPROVEMENT IN A TUBULAR PASSAGE MEANS AND CLOSURE THEREOF COMPRISING; A LENGTH OF PLASTIC TUBING SEALABLY POSITIONED BETWEEN THE SIDE WALL SECTIONS OF A CONTAINER IN THE UPPER EDGE SEAM THEREOF WITH ONE END OF THE SAID TUBING COMMUNICATING WITH THE INTERIOR OF THE CONTAINER AND THE OUTER END THEREOF EXTENDING OUTWARDLY BEYOND THE SAID UPPER EDGE SEAM, A CLOSURE CAP MOUNTED ON THE OUTER END OF THE TUBULAR PASSAGE MEANS AND FORMING AN AIR-TIGHT ENGAGEMENT THEREABOUT; SAID CAP HAVING AT LEAST ONE TAB ELEMENT INTEGRAL THEREWITH EXTENDING LONGITUDINALLY FROM THE LOWER EDGE THEREOF DISPOSED ADJACENT THE OUTER WALL OF THE SAID TUBULAR PASSAGE MEANS AND EXTENDING BETWEEN SAID PASSAGE MEANS AND AT LEAST ONE WALL SECTION IN THE SAID UPPER EDGE SEAM, AND THE SAID TAB ELEMENT BEING RELEASABLY LOCKED AGAINST OUTWARD MOVEMENT BY BEING ENCLOSED BETWEEN SAID ONE SIDE WALL SECTION AND SAID TUBULAR PASSAGE MEANS WHICH ARE IN SEALABLE ENGAGEMENT WITH EACH OTHER ABOUT SAID TAB ELEMENT, SAID TAB ELEMENT BEING RELEASABLE FROM BETWEEN SAID ONE OF SAID SIDE WALL SECTIONS AND SAID TUBULAR PASSAGE MEANS, SAID TAB ELEMENT HAVNG MEANS FOR PREVENTING SAID TAB ELEMENT FROM BEING RELOCKED BETWEEN SAID ONE OF SAID SIDE WALL SECTIONS AND SAID TUBULAR PASSAGE MEANS.