Dry cell and electrode therefor

Claim 1

IN A PRIMARY CELL CONTAINING A LIQUID ELECTROLYTE, A THIN, FLEXIBLE, SHEET-FORM, CONDUCTIVE CARBONACEOUS ELECTRODE IMPERVIOUS TO SAID ELECTROLYTE AND CAPABLE OF CONDUCTING ELECTRICAL CURRENT TO A CONDUCTIVE ELEMENT BY DRY CONTACT OF THE BROAD SURFACE THEREOF WITH SAID ELEMENT, COMPRISING A THIN, FLEXIBLE, FORAMINOUS, NON-CONDUCTIVE SHEET, A CONDUCTIVE CARBONACEOUS COMPOSITION COMPRISING CARBON PARTICLES AND A BINDER SUBSTANTIALLY FILLING THE OPENINGS OF SAID FORAMINOUS SHEET AND THINLY COATING BOTH SURFACES OF SAID SHEET, SAID CARBONACEOUS COMPOSITION HAVING MINUTE OPENINGS, THEREIN AND DEPRESSIONS IN THE SURFACES THEREOF, AND A WAX FILLER FILLING SAID MINUTE OPENINGS AND COVERING THE BOTTOMS OF SAID DEPRESSIONS, THE UNDEPRESSED AREAS OF SAID SURFACES BEING SUBSTANTIALLY FREE OF WAX.