Galvanic cell structures employing coiled electrodes

Claim 1

A GALVANIC CELL COMPROMISING, IN COMBINATION, AN ELECTRICCALLY CONDUCTIVE CYLINDRICAL CAN CLOSED AT ONE END AND OPEND AT THE OTHER END, A COILED ELECTRODE ASSEMBLY DISPOSED WITHIN SAID CAN AND COMPRISING AN ELONGATED SHEET OF THE INNERMOST WOUND ELECTRODE MATERIAL OF A FIRST POLARITY ELECTRODE MATERIAL, AN ELONGATED SHEET OF A SECOND POLARITY ELECTRODE MATERIAL AND AT LEAST TWO SEPARATORS ALL OF WHICH ARE HELICALLY WOUND ABOUT EACH OTHER SO THAT SAID AT LEAST ONE SEPARATOR IS INTERPOSED BETWEEN SAID FIRST POLARITY ELECTRODE MATERIAL AND SAID SECOND POLARITY ELECTRODE MATERIAL, AND AT LEAST ONE SEPARATOR IS DISPOSED ABOUT THE OUTER CIRCUMFERENCE OF THE WOUND ASSEMBLY, AN ELECTROLYTE DISPOSED IN SAID CAN AT LEAST BETWEEN SAID FIRST AND SECOND ELECTRODES, A COVER FOR SAID CAN, AN INSULATING MATERIAL INTERPOSED BETWEEN THE COVER AND THE UPPER WALL OF THE CAN SUCH THAT A SEAL IS FORMED BETWEEN SAID CAN AND SAID COVER, AN ELECTRICALLY CONDUCTIVE MEANS SECURED TO THE SHEET OF THE INNERMOST WOUND ELECTRODE MATERIAL AND SECURED TO THE COVER THEREBY ADOPTING SAID COVER AS THE FIRST TERMINAL FOR THE CELL, AND AT LEAST ONE OPENING DISPOSED IN THE OUTERMOST SEPARATOR SO AS TO EXPOSE A PORTION OF THE OUTERMOST WOUND ELECTRODE MATERIAL SUCH THAT SAID EXPOSED ELECTRODE MATERIAL CONTACTS THE INNER WALL OF THE CAN WITH SUFFICIENT PRESSURE THREREBY ADOPTING SAID CAN AS THE SECOND TERMINAL OF SAID CELL.