Filling system including filling and relief valves

Claim 1

IN COMBINATION, A FILLING AND RELIEF VALVE COMPRISING A VALVE CASING HAVING THREADED OUTER END PORTION, A CONCENTRIC SLEEVE SLIDABLY SUPPORTED IN SAID CASING, A VALVE STEM AND VALVE HEAD INTERGAL THEREWITH AXIALLY MOVEABLE IN A VALVE OPENING AND CLOSING DIRECTION, MEANS URGING SAID VALVE HEAD INTO SEALING CONTACT WITH SAID SLEEVE, MEANS FOR LIMITING THE TRAVEL OF SAID VALVE STEM TO A DISTANCE SHORTER THAN THE TRAVEL OF SAID SLEEVE, A FILLING HOSE HAVING A CONNECTOR ADAPTED TO THREADABLY ENGAGE SAID VALVE CASING, SAID CONNECTOR HAVING AN INNER ABUTMENT ADAPTED TO SEAT AGAINST THE END OF SAID SLEEVE ADJACENT TO SAID VALVE HEAD TO URGE SAID SLEEVE OUT OF SEALING CONTACT WITH SAID VALVE HEAD WHEN SAID CONNECTOR IS IN THREADED ENGAGEMENT WITH ONE END OF SAID THREADED VALVE CASING, A CONTAINER TO BE EVACUATED CONNECTED TO THE OTHER END OF SAID VALVE CASING, SAID FILLING HOSE CONNECTED TO A THREE WAY VALVE, TWO HOSE LINES CONNECTED TO SAID THREE-WAY VALVE, ONE OF SAID HOSE LINES CONNECTED TO A FLUID RESERVOIR, THE OTHER SAID HOSE LINE CONNECTED TO A SECOND THREE WAY VALVE, A THIRD HOSE LINE CONNECTED TO SAID FLUID RESERVOIR, SAID THIRD HOSE LINE CONNECTED TO THE SECOND THREE-WAY VALVE, A FOURTH HOSE LINE CONNECTED TO SAID SECOND THREE-WAY VALVE, SAID FOURTH HOSE LINE CONNECTED TO A VACUUM PUMP WHEREBY SAID CONTAINER AND FLUID RESERVIORS ARE EVACUATED PRIOR TO FLUID ENTERING SAID CONTAINER FROM SAID FLUID RESERVIOR.