Filling valves for liquefied gas lighters

Claim 1

A FILLING AND EXHAUSTING VALVE MEANS FOR REPLENISHING A RESERVOIR WITH A FLUID SUBSTANCE COMPRISING, (A) A CASING ADAPTED TO BE CONNECTED TO THE RESERVOIR, (B) SAID CASING HAVING A FILLING APERTURE AND AN EXHAUST PORT FORMED THEREIN, (C) AN ANNULAR FLANGE DISPOSED INERMEDIATE THE ENDS OF SAID CASING, SAID FLANGE DEFINING AN EXHAUST VALVE SEAT. (D) A PLUNGER MEANS INCLUDING A VALVE STEAM PORTION AND A CONNECTED HEAD PORTION MOVABLY MOUNTED IN SAID CASING, SAID STEM PORTION BEING EXTENDED THROUGH SAID EXHAUST VALVE SEAT AND SAID STEM HAVING FORMED THEREIN A FLUID INLET PASSAGEWAY CONNECTING WITH AN INLET PORT, (E) A SLIDE MEMBER OPERATIVELY ASSOICATED WITH SAID PLUNGER MEANS, SAID SLIDE MEMBER BEING MOUNTED ON SAID STEM FOR RELATIVE MOVEMENT THEREBETWEEN, (F) SAID SLIDE MEMEMBER HASVING MEANS FOR NORMALLY VALVING SAID EXHAUST VALVE SEAT CLOSED, AND COOPERATING MEANS BETWEEN SAID HEAD AND SAID SLIDE MEMBER FOR NORMALLY VALVING SAID INLET PORT CLOSED WHEREBY RELATIVELY MOVEMENT BETWEEN SAID PLUNGER MEANS AND SAID SLIDE MEMBER EFFECTS OPENING OF SAID INLET PORT TO CONNECT THE SAME IN COMMUNICATION WITH SAID RESERVOIR, (G) AND MEANS ON SAID VALVE STEM TO EFFECT MOVEMENT OF SAID SLIDE MEMBER WITH CONTINUED MOVEMENT OF SAID PLUNGER MEANS TO EFFECT OPENING OF SAID EXHAUST VALVE SEAT AFTER THE OPENING OF SAID INLET PORT, (H) WHEREIN SAID SLIDE MEMBER ENGAGES SAID CASING IN THE OPERATIVE POSITION OF SAID VALVE TO FORM A SEAL THEREAT TO SEAL THE EXHAUST PORT FOR SAID FILLING APERTURE.