Connecting head for use with casks, siphons and the like receptacles containing liquid under pressure

Claim 1

A CONNECTING HEAD FOR DISPENSING A LIQUID CONTAINED IN A CASK AND SUBJECTED TO PRESSURE FROM AW GAS CONTAINED IN A SEPARATE CHAMBER LOCATED WITHIN THE CASK, THE TOP OF THE CASK BEING PROVIDED WITH THREE VALVE CONTROLLED OPENINGS COMMUNICATING RESPECTIVELY WITH THE TOP OF THE LIQUID CONTAINED IN THE CASK, WITH A SIPHON DELIVERY TUBE EXTENDING FROM THE TOP TO THE BOTTOM OF THE CASK, AND WITH THE SEPARATE GAS CHAMBER WITHIN THE CASK, SAID CONNECTING HEAD COMPRISING A CASING ADAPTED FOR DETACHABLE MOUNTING UPON THE TOP OF THE CASK, AN ACTUATOR ELEMENT MOVABLE IN A DOWNWARD AXIAL DIRECTION WITHIN THE CASING AGAINST THE ACTION OF SPRING RETURN MEANS, TWO THROUGHWAY PASSAGES FORMED IN THE ACTUATOR ELEMENT TERMINATING AT THEIR LOWERMOST ENDS IN A PAIR OF NOZZLES, WHICH, ON DOWNWARD MOVEMENT OF THE ACTUATOR ELEMENT COMMUNICATE WITH AND OPEN THE TWO VALVE CONTROLLED OPENINGS IN THE CASK COMMUNICATING WITH THE TOP OF THE LIQUID AND WITH THE SIPHON DELIVERY TUBE, A PRESSURE REDUCING VALVE CARRIED ON THE EXTERIOR OF THE ACTUATOR ELEMENT AND FITTED WITH A NOZZLE AT ITS INLET END WHICH, ON DOWNWARD MOVEMENT OF T HE ACTUATOR ELEMENT, COMMUNICATES WITH AND OPENS THE VALVE CONTROLLED OPENING IN THE CASK COMMIUNICATING WITH THE SEPARATE GAS PRESSURE CHAMBER, CONNECTING MEANS BETWEEN THE OUTLET FROM THE PRESSURE REDUCING VALVE AND THE UPPERMOST END OF THE THROUGHWAY PASSAGE WHICH COMMUNICATES WITH THE TOP OF THE LIQUID IN THE CASK, AND MANUAL ACTUATING MEANS MOUNTED ON THE CASING FOR EFFECTING THE DOWNWARD AXIAL MOVEMENT OF THE ACTUATOR ELEMENT.