Leakproof dry cell

Claim 1

A NON-LEAKING DRY CELL PROVIDED WITH CIRCUIT TERMINALS AT BOTH ENDS COMPRISING A METAL CUP ELECTRODE, A CORE ELECTRODE, MEANS FOR CLOSING SAID CELL COMPRISING A NON-CONDUCTING MATERIAL CLOSELY ENGAGING SAID CORE ELECTRODE AND SAID CUP ELECTREDE, A SLEEVE OF FLEXIBLE, RUBBERY MATERIAL SUBSTANTIALLY IMPERVIOUS TO BE POSSIBLE EXUDATIONS OF SAID DRY CELL NON-ADHERENTLY SHEATHING SAID UP ELECTRODE, A NON-METALLIC COVER SECURED TO AND OVERLYING SAID SLEEVE, A FLANGED RING CLOSELY EMBRACING THE LOWER END OF SAID DRY CELL, THE FLANGE ON SAID RING BEING IN CRIMPING ENGAGEMENT WITH THE LOWER EDGES OF SAID COVER, SAID SLEEVE AND SAID CUP ELECTRODE, THE CRIMPED PORTIONS OF SAID EMBRACING THE UPPER END OF SAID DRY CELL, THE FLANGE ON SAID DISC BEING IN CRIMPED RELATION WITH THE UPPER EDGES OF SAID COVER, SAID SLEEVE, AND SAID CUP ELECTRODE, THE CRIMPED PORTIONS OF SAID FLANGED DISC AND SAID FLANGED RING CAUSING SAID RESILIENT SLEEVE TO BE COMPRESSED BETWEEN SAID COVER AND SAID CUP ELECTRODE SO AS TO FORM A TIGHT PRESSURE-SEAL BETWEEN SAID SLEEVE AND SAID CUP ELECTRODE ADJACENT ITS UPPER AND LOWER ENDS.