Insulated container having a disposable bag therein anchored to its discharge tube

Claim 1

IN COMBINATION WITH A LIQUID CONTAINER HAVING WALLS OF LOW THERMAL CONDUCTIVITY AND, IN ONE OF SAID WALLS NEAR THE BOTTOM THEREOF, AN OPENING PROVIDING COMMUNICATION BETWEEN THE INTERIOR AND EXTERIOR OF THE CONTAINER, A LIQUID CONTAINING BAG OF PLIABLE MATERIAL LOCATED WITHIN SAID CONTAINER, SAID BAG HAVING A NECK LOCATED IN SAID OPENING AND LONG ENOUGH TO PROJECT THERETHROUGH, A SLEEVE IN SAID OPENING AND SURROUNDING SAID NECK, SAID SLEEVE HAVING AN OUTLET OPENING IN ITS BOTTOM WALL AND SAID NECK HAVING A DISCHARGE ORIFICE LOCATED OVER SAID OUTLET OPENING, NECK CLAMPING VALVE MEANS MOUNTED WITHIN SAID SLEEVE, OPERABLE FROM EXTERIORLY THEREOF, AND ADAPTED TO CLAMP SAID NECK AT A POINT SPACED INWARDLY FROM THE OUTER END OF SAID OUTLET OPENING, SAID SLEEVE BEING SLIDABLE IN SAID FIRST MENTIONED OPENING BETWEEN AN OUTER POSITION IN WHICH SAID OUTLET OPENING IS LOCATED EXTERIORLY OF SAID CONTAINER AND AN INNER POSITION IN WHICH THE NECK-CLAMPING PORTION OF SAID VALVE MEANS IS SPACED INWARDLY FROM THE OUTER END OF SAID FIRST MENTIONED OPENING.