Tapping valve for beer keg

Claim 1

IN A KEG TAPPING VALVE ADAPTED FOR COMBINATION WITH A KEG HAVING AN INTERIOR AND A TAPPING VALVE ORIFICE FOR THE DISPENSING OF BEER THEREFROM AND BEING OF THE TYPE OF KEG WHICH IS CHARGED AND FROM TIME TO TIME RECHARGED WITH BEER, THE INTERIOR OF SAID KEG BEING STERILIZED PRIOR TO EACH RECHARGE, WHICH STERILIZING OF SAID KEG IS NORMALLY ACCOMPLISHED BY THE APPLICATION OF AN ALKALI SOLUTION FOLLOWED BY RINSE WATER UNDER PRESSURE, SAID TAPPING VALVE BEING ADAPTED TO ENBLE THE PRESSURE-DISPENSING FROM SAID KEG OF SUBSTANTIALLY THE ENTIRE VOLUME OF BEER CHARGED INTO SAID KEG AND BEING FURTHER ADAPTED TO ENABLE THE COMPLETE RINSING FROM SAID KEG OF SAID ALKALI SOLUTION BY SAID RINSE WATER TO THEREBY INSURE THAT NONE OF SAID ALKALI SOLUTION WILL REMAIN IN SAID KEG TO CONTAMINATE THE BEER SUBSEQUENTLY CHARGED INTO SAID KEG, THE VALVE COMPRISING: (A) A TUBULAR HOLLOW BODY MEMBER HAVING KEG-EXTERIOR AND KEG-INTERIOR ENDS, SAID MEMBER BEING ATTACHED TO SAID TAPPING VALVE ORIFICE OF SAID BEER KEG AND EXTENDING INTO THE INTERIOR OF SAID KEG, (B) A CHAMBER EXTENDING LONGITUDINALLY OF SAID BODY MEMBER, AND TERMINATING IN AN END WALL AT SAID KEGINTERIOR END, SAID END WALL HAVING A PORT OPENING THEREIN; (C) MEANS FOR ADMITTING FLUID INTO SAID CHAMBER COMPRISING A RADIAL EXTENSION ATTACHED TO SAID BODY MEMBER ADJACENT TO SAID END WALL AND ON THE KEG-INTERIOR SIDE OF SAID END WALL, SAID RADIAL EXTENSION HAVING A PASSAGEWAY EXTENDING THE LENGTH THEREOF; (D) A SEALING MEANS ON THE KEG-INTERIOR SIDE OF SAID END WALL HAVING A FIRST AND A SECOND PORT, SAID FIRST PORT IN SAID SEALING MEANS ADAPTED TO PROVIDE A COMMUNICATING PASSAGEWAY BETWEEN SAID END WALL PORT OPENING AND SAID PASSAGEWAY IN SAID RADIAL EXTENSION; (E) A SPINDLE MEANS, HAVING AN ACCESSIBLE PORTION DISPOSED WITHIN SAID CHAMBER AND EXTENDING THROUGH SAID END WALL AND SAID VALVE MEMBER, ADAPTED TO ROTATE IN ONE DIRECTION AND THEREBY TO CHANGE THE RELATIVE POSITIONS OF SAID SEALING MEANS AND SAID RADIAL EXTENSION AND TO BRING SAID SEALING MEANS FIRST PORT INTO BEER-FLOW COMMUNICATION WITH SAID RADIAL EXTENSION PASSAGEWAY AND SAID EWND WALL PORT OPENING, AND ALSO TO ROTATE IN THE OPPOSITE DIRECTION TO CHANGE THE RELATIVE POSITIONS OF SAID SEALING MEANS AND SAID RADIAL EXTENSION AND THEREBY TO TAKE SAID SEALING MEANS FIRST PORT OUT OF BEER-FLOW COMMUNICATION WITH SAID RADIAL EXTENSION PASSAGEWAY AND TO BRING THE SECOND PORT LOCATED IN SAID SEALING MEANS INTO COMMUNICATION WITH SAID RADIAL EXTENSION PASSAGEWAY THEREBY BRINGING THE ADJACENT END OF SAID RADIAL EXTENSION PASSAGEWAY INTO DIRECT COMMUNICATION WITH THE INTERIOR OF SAID KEG; (F) A DRAINING MEANS ADAPTED TO DRAIN LIQUID FROM SAID SEALING MEANS FIRST PORT WHEN SAID FIRST PORT IS OUT OF COMMUNICATION WITH SAID RADIAL EXTENSION; (G) SAID SEALING MEANS SECOND PORT AND SAID RADIAL EXTENSION PASSAGEWAY BEING OUT OF COMMUNICATION WITH EACH OTHER WHEN SAID SEALING MEANS FOR PORT AND SAID RADIAL EXTENSION PASSAGEWAY ARE IN BEERFLOW COMMUNICATION; (H) SAID SEALING MEANS SECOND PORT AND SAID RADIAL EXTENSION PASSAGEWAY MEANS BEING IN COMMUNICATION WITH EACH OTHER WHEN SAID END WALL PORT OPENING AND SAID RADIAL EXTENSION PASSAGEWAY ARE OUT OF COMMUNICATION WITH EACH OTHER; (I) AND WHEN THE RELATIVE POSITIONS OF SAID RADIAL EXTENSION PASSAGEWAY AND SAID SEALING MEANS HAVE THE SEALING MEANS SECOND PORT POSITIONED IN COMMUNICATION WITH SAID RADIAL EXTENSION PASSAGEWAY, A VENT IS THEREBY PROVIDED AT THE ADJACENT END OF SAID RADIAL EXTENSION PASSAGEWAY TO THE INTERIOR OF SAID KEG, THEREBY ALLOWING DRIANAGE OF LIQUID FROM SAID RADIAL EXTENSION PASSAGEWAY.