Electrode assembly for sealed rechargeable alkaline battery cells

Claim 1

IN A RECHARGEABLE ALKALINE STORAGE BATTERY CELL, A METALLIC CASING COMPRISING A TUBULAR CASING WALL HAVING A BOTTOM WALL ENCLOSING ONE TUBULAR WALL END AND A CASING OPENING AT THE OPPOSITE END, A METALLIC TOP WALL INCLUDING A TERMINAL ELEMENT AND HAVING A PERIPHERY INSULATINGLY JOINED TO THE OPEN END OF SAID TUBULAR WALL, A SPIRALLY COILED ELECTRODE ASSEMBLY ENCLOSED IN SAID CASING ENCLOSURE COMPRISING AT LEAST TWO SUPERPOSED ELECTRODE PLATES AND AN INTERPOSED ELECTROLYTE-HOLDING POROUS, LAYERLIKE SEPARATOR AND EXTENDING GENERALLY COAXIALLY WITH SAID TUBULAR CASING WALL, THE BOTTOM EDGE REGION OF ONE OF SAID ELECTRODE PLATES FACING TOWARD SAID BOTTOM WALL AND THE OPPOSITE TOP EDGE REGION OF THE OPPOSITE-POLARITY OTHER ELECTRODE PLATE HAVING EACH METALLICALLY AFFIXED THERETO AN OUTWARDLY-EXTENDING METALLIC TERMINAL TAB, THE TERMINAL TAB FROM SAID TOP EDGE REGION EING METALLICALLY CONNECTED TO SAID TOP-WALL TERMINAL ELEMENT, THE OPPOSITE BOTTOM TERMINAL TAB EXTENDING OVER THE BOTTOM AND OVER AN EXTERIOR SIDE OF THE ELECTRODE ASSEMBLY AND BEING MATALLICALLY CONNECTED TO AN INTERIOR PORTION OF SAID TUBULAR CASING WALL NEARER TO THE CASING OPENING THAN TO SAID BOTTOM WALL.