Meter bar

Claim 1

IN A METER BAR FORMED WITH A PAIR OF SPACED INLET CONNECTIONS; FORMED WITH A PAIR OF SPACED GAS METER CONNECTIONS; FORMED WITH AN OUTLET CONNECTION; FORMED WITH A LONGITUDINAL HOLLOW THERETHROUGH; AND PROVIDED WITH A VALVE MEMBER WITH SPACED SOLID PORTIONS, SAID VALVE MEMBER BEING POSITIONED IN SAID HOLLOW FOR MOVEMENT BETWEEN A FULLY CLOSED POSITION AND A FULLY, NORMALLY OPEN POSITION; WHEREIN, IN SAID FULLY OPEN POSITION, THE PATH OF GAS FLOW IS LIMITED TO A NORMAL PATH FROM ONE OF SAID INLET CONNECTIONS THROUGH SAID METER FROM ONE OF SAID GAS METER CONNECTIONS TO THE OTHER, AND THENCE OUT SAID OUTLET CONNECTION, SAID NORMAL PATH MAKING TWO TRANSVERSE INTERSECTIONS WITH SAID HOLLOW; THE IMPROVEMENT WHICH COMPRISES, AS SAID VALVE MEMBER, A PLUNGER WHICH IS MOVABLE ALONG A LONGITUDINAL LINEAR PATH; WHICH PLUNGER IS FORMED WITH A PASSAGEWAY LONGITUDINAL OF THE HOLLOW IN THE METER BAR, SAID PASSAGEWAY LEADING FROM A PORTION OF SAID PLUNGER PROXIMATE TO ONE OF SAID INLET CONNECTIONS TO A PORTION OF SAID PLUNGER PROXIMATE TO SAID OUTLET CONNECTION; AND WHEREIN, IN SAID FULLY CLOSED POSITION, SAID SOLID PORTIONS OCCUPY SAID INTERSECTIONS, SAID NORMAL PATH OF GAS FLOW IS COMPLETELY BLOCKED AT BOTH SAID GAS METER CONNECTIONS BY SAID RESPECTIVE SOLID PORTIONS AND GAS FLOW IS LIMITED TO A PATH THROUGH SAID LONGITUDINAL PASSAGEWAY AND THROUGH THE LONGITUDINAL HOLLOW OF SAID BAR; WHEREIN SAID PLUNGER IS SUFFICIENTLY SHORTER IN LENGTH THAN SAID HOLLOW TO PROVIDE, IN SAID FULLY OPEN POSITION, FOR THE SUBSTANTIAL REMOVAL OF SAID SOLID PORTIONS FROM THE OCCUPATION OF SAID INTERSECTIONS.