Electrolytic cell with improved bipolar electrode connection

Claim 1

IN A BI-POLAR ELECTROLYTIC FILTER PRESS CELL WHEREIN A METAL CATHODE AND A VALVE METAL ANODE OF EACH ELECTROLYSIS CELL IS SEPERATED BY A CATION SELECTIVE ION-EXCHANGE MEMBRANE AND WHEREIN THE ANODE AND CATHODE OF THE ADJOINING OR CONTIGUOUS CELLS ARE MAINTAINED IN SPACE RELATIONSHIP BY AN ELECTRICALLY NON-CONDUCTIVE BARRIER SHEET BETWEEN THEM, THE ANODE AND CATHODE BEING IN DIRECT ELECTRICAL CONNECTION WITH EACH OTHER THROUGH SAID BARRIER SHEET BY ATTACHING METAL BOSSES ON ONE SIDE OF EACH OF SAID ANODE AND CATHODE, SAID BOSSES BEING POSITIONED TO ALLOW THE PRESURE RECEIVING AREA OF EACH ANODE AND CATHODE BOSS TO MATE WITH EACH OTHER TO SURROUND THREAD ENGAGING MEANS, THE COMPOSITION OF THE BOSSES BEING SUBSTANTIALLY THE SAME AS THE RESPECTIVE ELECTRODE TO WHICH IT IS ATTACHED, ONE BOSS HAVING FEMALE THREAD ENGAGING MEANS FOR RECEIVING A THREADED BOLT WHICH BOLT PASSES THROUGH THE ADJACENTLY DISPOSED OTHER BOSS AND INTO THE SAID ONE BOSS, SAID BOLT HAVING A COMPOSITION SUBSTANTIALLY THE SAME AS THE BOSS THROUGH WHICH IT PASSES, THE SAID OTHER BOSS HAVING A PRESSURE RECEIVING SHOULDER WHICH MATES WITH THE PRESSURE RECEIVING SHOULDER OF THE BOLT HEAD, THE IMPROVEMENT COMPRISING HAVING THE PRESSURE RECEIVING AND MATING AREA OF THE SAID CATHODE BOSS PLATED WITH A HIGHLY CONDUCTIVE AND EASILY REDUCED METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD AND THE SAID PRESSURE RECEIVING AND MATING AREA OF THE SAID VALVE METAL ANODE BOSS PLATED WITH A PLATINUM GROUP METAL AND FURTHER HAVING METAL GASKET MEANS FOR PROVIDING A LEAK PROOF SEAL AND ELECTRICAL CONTACT BETWEEN THE SAID BOLT HEAD PRESSURE RECEIVING SHOULDER AND THE PRESSURE RECEIVING SHOULDER OF THE SAID OTHER BOSS WHEREBY UNDER MECHANICAL PRESSURE FROM THE BOLT THREAD ENGAGING MEANS THE TWO HIGHLY CONDUCTIVE SOFT METING SURFACES OF THE SAID BOSSES AND THE SAID MATING SHOULDERS OF THE SAID BOLT HEAD AND OTHER BOSS ARE SQUEEZED INTO INTIMATE CONTACT WITH EACH OTHER TO FORM AN IMPROVED ELECTRRCAL CONNECTION AND A LEAK PROOF SEAL THEREBY.