Primary alkaline cell

Claim 1

A PRIMARY CELL COMPRISING A PAIR OF SIMILARLY ORIENTED OPEN-TOP METAL CUPS NESTED ONE WITHIN THE OTHER, THE SIDE WALLS OF SAID CUPS BEING SPACED APART TO FORM AN ANNULAR SPACE THEREBETWEEN, ACTIVE CELL ELEMENTS COMPRISING AN ANODE, A CATHODE AND A SEPARATOR CONTAINING CELL ELECTROLYTE CONTAINED ENTIRELY WITHIN THE INNER ONE OF SAID CUPS, A LAMINATED SEALING LID COVERING AND CLOSINF THE TOP OF SAID INNER CUP AND HELD IN PRESSURE CONTACT THEREWITH, SAID LID COMPRISING A RIGID INNER DISC HAVING A LAYER OF A RESILIENT MATERIAL COVERING EACH SURFACE THEREOF, NEGATIVE TERMINAL MEANS ACTUALLY POSITIONED AND SEALED IN SAID LIDAND PASSING THERETHROUGH, THE INNER EXTERMITY OF SAID TERMIUNAL MEANS BIG MAINTAINED IN PRESSURE CONTACT EITH SAID ANODE AND THE OUTER EXTREMITY BEING EXTERNALLY EXPOSED PROVIDING A NEGATIVE CONTACT, THE RIM OF SAID OUTER CUP BEING FLANGED OBER THE EDGE OF SAID LAMINATED SEALING LID AND APPLYING AXIAL SEALING FORCE THERETO, WHEREBY A PERMANENTLY SEALED JPOINT IS FORMED BETWEEN THE SEALING LID AND THE OUTER CAN AND A RESLILIENTLY SEALED JOINT PERMITTING THE ESCAPE OF GAS UNDER PRESSURE FROM ITHE INTERIOR OF THE INNER CUP TO SAID ANNULAR SPACE IS FORMED BETWEEN THE SEALING LID AND THE INNER CUP.