Metallurgy

Claim 1

A METHOD OF PRODUCING ALUMINUM WIRE FROM ALUMINUM WIRE STOCK COMPRISING THE STEPS OF REDUCING THE DIAMETER OF SAID STOCK A SMALL AMOUNT BY PASSING SAID WIRE STOCK THROUGH AN ENTRY DIE, PASSING SAID STOCK THROUGH A SHAVING DIE HAVING A DIAMETER LESS THAN THE DIAMETER OF SAID ENTRY DIE, FURTHER REDUCING THE DIAMETER OF SAID SHAVED WIRE STOCK BY PASSING SAID SHAVED WIRE STOCK THROUGH AN EXIT DIE HAVING A DIAMETER LESS THAN THE DIAMETER OF SAID SHAVING DIE, SAID ENTRY DIE AND SAID EXIT DIE BEING AXIALLY ALIGNED WITH SAID HAVING DIE THEREBY MAINTAINING SAID WIRE STOCK IN ALIGNMENT DURING SAID SHAVING STEP WHEREBY SAID SHAVING IS UNIFORM AROUND THE CIRCUMFERENCE OF SAID WIRE STOCK, SUBJECTING THE SHAVED WIRE STOCK TO A PLURALITY OF COLD DRAWING OPERATIONS, ANNEALING SAID WIRE AT A TEMPERATURE OF LESS THAN 570* F PRIOR TO EACH DRAWING OPERATION, PASSING THE WIRE THROUGH A CLEANING DIE UPON COMPLETION OF THE DRAWING OPERATIONS AND, DEGREASING SAID WIRE.