Primary battery

Claim 1

A DRY BATTERY COMPRISING AT LEAST A SINGLE CELL, AND A METAL CAN CONTAINER OPEN AT ONE END ENCLOSING SAID CELL INCLUDING MEANS APPLYING COMPRESSION TO SAID CELL, SAID CELL COMPRISING AN INSULATING SLEEVE HAVING BOSSES SPACED FROM EACH END AND EXTENDING RADIALLY OUTWARD BEYOND THE SIDE OF THE SLEEVE IN CLOSE SPACED RELATION TO THE INNER WALL SURFACE OF THE CAN THEREBY PROVIDING VOID SPACES FOR GAS COLLECTION ABOVE AND BELOW SAID BOSSES AND BETWEEN SAID CONTAINER AND SLEEVE, ELECTRICAL ENERGY PRODUCING ELEMENTS WITHIN SAID SLEEVE AND METALLIC CLOSURE TERMINAL CAPS FOR THE ENDS OF THE SLEEVE, SAID CAPS HAVING SKIRT PORTIONS EXTENDING OVER THE ENDS AND SECURED TO THE SIDE WALLS OF THE SLEEVE BY CRIMPING ENGAGEMENT, A TERMINAL ELEMENT ABUTTING ON OF SAID TERMINAL CAPS AT THE OPEN END OF SAID CONTAINER AND HAVING A PORTION THEREOF PROTRUDING BEYOND THE OPEN END OF SAID CONTAINER, SAID SKIRT ON THE TERMINAL CAPS AND THE PERIPHERAL EDGE OF SAID TERMINAL ELEMENT BEING SPACED FROM THE SURROUNDING WALL OF SAID CAN, AND AN INSULATING WASHER HAVING AN APERTURE THERETHROUGH MOUNTED OVER SAID TERMINAL ELEMENT WITH SAID PROTRUDING PORTION OF SAID TERMINAL ELEMENT PROJECTING THROUGH THE APERTURE IN SAID WASHER, SAID WASHER HAVING A VENT SLOT EXTENDING INWARD FROM THE PERIPHERY THEREOF, SAID OPEN END OF THE CONTAINER BEING CRIMPED OVER THE ADJACENT PERIPHERAL PORTION OF SAID INSULATING WASHER AND SAID VENT SLOT IN SAID INSULATING WASHER EXTENDING INWARD THEREIN BEYOND THE CRIMPED OVER END OF SAID CONTAINER, WHEREBY SAID SLOT PROVIDES A VENT FOR SAID VOID SPACES AROUND SAID ENCLOSED CELL AND SAID CRIMPED OVER END OF THE CONTAINER HOLDS SAID CELL UNDER COMPRESSION.