Plug-in attached valved pressurized fluid-dispensing receptacles

Claim 1

IN A DEVICE COMPRISING A PRESSURIZED RECEPTACLE CONTAINING FLUID UNDER PRESSURE AND AN APPLIANCE FOR DISPENSING SAID FLUID AND UTILIZING THE POTENTIAL ENERGY STORED IN SAID FLUID BY REASON OF SAID PRESSURIZATION, WHEREIN SAID RECEPTACLE COMPRISES A DISHED METAL CLOSURE MEMBER HAVING A HORIZONTALLY EXTENDING ANNULAR BOTTOM, AN OUTER CIRCULAR PORTION EXTENDING UPWARDLY FROM THE OUTER EDGE OF SAID ANNULAR BOTTOM AND EXTENDING INWARDLY AT ITS UPPER PORTION TO TERMINATE AT ITS UPPER PERIPHERAL PORTION WITH A CRIMPED SEAL TO THE BODY OF SAID RECEPTACLE, AN INNER PORTION EXTENDING UPWARDLY FROM THE INNER EDGE OF SAID ANNULAR BOTTOM, A SUBSTANTIALLY ANNULAR TOP PORTION OF SAID INNER PORTION HAVING A HOLE IN THE CENTER THEREOF THROUGH WHICH A TUBULAR MEMBER EXTENDS, SAID FLUID BEING DISPENSED THROUGH SAID TUBULAR MEMBER; APPARATUS TO MAINTAIN SAID RECEPTACLE IN ENGAGED RELATION WITH SAID APPLIANCE; SAID APPARATUS COMPRISING AS APART OF SAID APPLIANCE A RECEIVER HAVING AN OUTER WALL AND AN INNER WALL DEFINING A SPACE THEREWITHIN, TUBE MEANS EXTENDING FROM SAID APPLIANCE THROUGH SAID INNER WALL, AN ORIFICE IN SAID RECEIVER, SAID ORIFICE COMMUNICATING WITH SAID SPACE IN SAID RECEIVER, MEANS TO PROVIDE COMMUNICATION BETWEEN SAID SPACE AND THE INTERIOR OF SAID RECEPTACLE, SO THAT SAID SPACE IS COMMUNICATINGLY ENGAGEABLE WITH THE INTERIOR OF SAID RECEPTACLE THROUGH SAID HOLE IN SAID ANNULAR TOP PORTION; A FLANGE EXTENDING OUTWARDLY FROM SAID RECEIVER; A PLURALITY OF MEMBERS ATTACHED IN A CIRCLE TO SAID FLANGE AND EXTENDING DOWNWARD FROM SAID FLANGE AND FREE TO MOVE WITH RESPECT TO THEIR POINTS OF ATTACHMENT TOWARD AND AWAY FROM SAID RECEIVER IN UNHINDERED RELATION TO SAID RECEIVER, EACH OF SAID MEMBERS EXTENDING OUTWARDLY AND THENCE INWARDLY AT ITS LOWER END TO DEFINE AN OUTWARDLY EXTENDING PROTRUDING PORTION NEAR THE BOTTOM OF EACH MEMBER, THE OUTER PORTIONS OF SAID PROTRUDING PORTIONS DEFINING SUBSTANTIALLY A CIRCLE AROUND THE AXIS OF SAID ORIFICE, AID CIRCLE BEING GREATER IN DIAMETER THAN THE INTERIOR DIAMETER OF SAID OUTER CIRCULAR PORTION WHEN SAID MEMBARS ARE NOT ENGAGED WITH A RECEPTACLE; SAID MEMBERS HAVING SAID OUTWARDLY PROTRUDING PORTIONS ENGAGED WITH THE INWARDLY EXTENDING PORTION OF SAID OUTER CIRCULAR PORTION OF SAID CLOSURE.