Multiple vent plug assembly

Claim 1

A MULTIPLE VENT PLUG ASSEMBLY FOR CLOSING A PLURALITY OF FILLING WELLS OF ELECTRICAL STORAGE BATTERIES, THE BATTERIES BEING PROVIDED WITH COVERS HAVING UPWARDLY EXTENDING PROJECTIONS AROUND THE FILLING WELLS, SAID PLUG ASSEMBLY COMPRISING AN ELONGATED HOLLOW BODY COMPOSED OF A TOP AND BOTTOM SECTION PERMANENTLY JOINED AS AN INTEGRAL UNIT, THE BOTTOM SECTION BEING PROVIDED WITH A PLURALITY OF OPENINGS AT SPACED INTERVALS BETWEEN THE ENDS THEREOF, A HOLLOW VENT PLUG SUSPENDED IN EACH OF SAID OPENINGS AND EXTENDING BELOW SAID BODY AND HAVING AN APERTURE IN THE BOTTOM THEREOF, MEANS PROVIDED NEAR THE TOP OF THE VENT PLUG FOR ESTABLISHING COMMUNICATION BETWEEN THE INTERIOR OF THE VENT PLUGS AND THE INTERIOR OF SAID BODY, THE UPPER WALL OF EACH VENT PLUG BEING FLARED OUTWARDLY, A SKIRT DEPENDING FROM THE EXTERNAL UNDERSIDE OF THE FLARED WALL AND ENCIRCLING THE OUTSIDE OF THE VENT PLUG FORMING AN ANNULAR RECESS THEREWITH, SAID SKIRT BEING ADAPTED TO SEAT AROUND THE UPWARDLY EXTENDING PROJECTION OF EACH FILLING WELL TO PROVIDE ADDITIONAL SEAL AGAINST INADVERTENT EGRESS OF ELECTROLYTE, AND A PLURALITY OF LONGITUDINALLY SPACED CYLINDRICAL SKIRTS FORMED INTEGRALLY WITH AND DEPENDING FROM THE UNDERSIDE OF THE TOP SECTION OF SAID ELONGATED HOLLOW BODY, ONE SUCH SKIRT EXTENDING DOWNWARDLY THROUGH AN OPENING INTO EACH HOLLOW VENT PLUG, AND MEANS FOR ESTABLISHING COMMUNICATION BETWEEN THE EXTERIOR AND INTERIOR OF SAID ELONGATED HOLLOW BODY WHEREBY SAID VENT PLUG ASSEMBLY WILL PERMIT EGRESS OF GAS FROM BATTERY CELLS TO THE ATMOSPHERE WHILE OFFERING OBSTRUCTION TO DISCHARGE OF ELECTROLYTE FROM SUCH CELLS.