Electrode for electrolytic shaping

Claim 1

AN ELECTRODE FOR ELECTROLYTIC CAVITY FORMING HAVING AN ELECTROLYTE INLET AND AN OUTLET COMPRISING A PAIR OF OPPOSED METALLIC PLATES, DIMPLES FORMED IN CLOSE PROXIMITY TO EACH OTHER IN AT LEAST ONE OF THE PLATES AND PROJECTING INTO ENGEGEMENT WITH AND SECURED TO THE OTHER PLATE TO PREVENT BULGING OF THE PLATES UNDER HIGH INTERNAL HYDRAULIC PRESSURE, THE SIDE EDGES OF THE PLATES BEING JOINED TO FORM A PASSAGE AROUND THE DIMPLES FOR ELECTROLYTE EXTENDING FROM THE INLET TO THE OUTLET, OUTWARDLY EXTENDING DIMPLES ON THE PLATES ADAPTED TO PERMIT LIGHT ENGAGEMENT OF THE ELECTRODE WITH HE CAVITY SIDES TO INHIBIT ELECTRODE VIBRATION AND PROVIDE AN OUTLET PASSAGE FOR SPENT ELECTROLYTE, AN INSULATING MATERIAL INTIMATELY COVERING THE SIDES AND SIDE EDGES OF THE PLATES, AND MEANS SUPPORTING THE PLATES AT THE INLET AND ADAPTED TO SUPPLY ELECTROLYTE UNDER PRESSURE THERETO, THE PLATES BEING EXPOSED AT THE OUTLET TO DEFINE AN ELECTRODE WORKING EDGE.