Electrical stock removal method and apparatus

Claim 1

THE METHOD OF ELECTRICAL STOCK REMOVAL BY A SERIES OF TIME SAPCED STOCK REMOVING ELECTRICAL DISCHARGES ACROSS AN IONIZABLE GAP BETWEEN CONDUCTIVE WORKPICE AND CUTTING TOOL ELECTRODES WITH ENERGY DERIVED FROM AN A.C. SOURCE, COMPRISING THE STEPS OF CONVERTING THE ENERGY DURTING ONE HALF-CYCLE OF THE SOURCE INTO A CUTTING VOLTAGE PULSE OF A CERTAIN AMPLITUDE FOR APPLICATION TO THE GAP SO AS TO PRODUCE THE STOCK REMOVING DISCHARGE AND CONVERTING THE ENERGY DURING THE OTHER HALF-CYCLE OF THE SOURCE INTO A BURNING CURRENT VOLTAGE PULSE OF THE SAME POLARITY AS THE CUTTING VOLTAGE PULSE AND OF A LESSER MAGNITUDE FOR APPLICATION TO THE GAP SO AS TO MAINTAIN THE GAP VOLTAGE AT A LEVEL LESS THAN REQUIRED FOR A TRUE GAP BREAKDOWN AND THEREBY CAUSE A HARDENED LAYER OF MATERIAL TO BE FORMED ON THE EXTERIOR SURFACE OF THE CUTTING TOOL ELECTRODE FOR INHIBITING WEAR OF THE CUTTING TOOL ELECTRODE.

Claim 2

THE METHOD OF ELECTRICAL STOCK REMOVAL BY A SERIES OF TIME SAPCED STOCK REMOVING ELECTRICAL DISCHARGES ACROSS AN IONIZABLE GAP BETWEEN CONDUCTIVE WORKPICE AND CUTTING TOOL ELECTRODES WITH ENERGY DERIVED FROM AN A.C. SOURCE, COMPRISING THE STEPS OF CONVERTING THE ENERGY DURTING ONE HALF-CYCLE OF THE SOURCE INTO A CUTTING VOLTAGE PULSE OF A CERTAIN AMPLITUDE FOR APPLICATION TO THE GAP SO AS TO PRODUCE THE STOCK REMOVING DISCHARGE AND CONVERTING THE ENERGY DURING THE OTHER HALF-CYCLE OF THE SOURCE INTO A BURNING CURRENT VOLTAGE PULSE OF THE SAME POLARITY AS THE CUTTING VOLTAGE PULSE AND OF A LESSER MAGNITUDE FOR APPLICATION TO THE GAP SO AS TO MAINTAIN THE GAP VOLTAGE AT A LEVEL LESS THAN REQUIRED FOR A TRUE GAP BREAKDOWN AND THEREBY CAUSE A HARDENED LAYER OF MATERIAL TO BE FORMED ON THE EXTERIOR SURFACE OF THE CUTTING TOOL ELECTRODE FOR INHIBITING WEAR OF THE CUTTING TOOL ELECTRODE.