Method of making lustrous steel music wire

Claim 1

IN A METHOD OF MAKING LUSTROUS STEEL MUSIC WIRE, THE STEPS INCLUDING DRAWING STEEL WIRE ROD DRY THROUGH DIES, THEREBY REDUCING IT TO A SIZE AT ZIZE, I.E., BETWEEN .0305'''' AND .070'''' IN DIAMETER, THEN PASSING THE WIRE AROUND A DRUM AT LEAST PARTLY IMMERSED IN A FIRST DILUTE SULPHURIC ACID BATH OF APPROXIMATELY 2 TO 4% CONCENTRATION CONTAINING A TIN ANODE, MAINTAINING THE WIRE ON THE DRUM AS THE CATHODE IN A CIRCUIT INCLUDING SAID BATH, SAID ANODE AND A CURRENT SOURCE, THEREBY EFFECTING PRINCIPALLY AN ELECTROLYTIC CLEANING OF THE WIRE ACCOMPANINED BY SOME ELECTRODEPOSITON OF TIN ON THE WIRE, DRAWING THE COATED WIRE THROUGH A DIE AND THEREBY REDUCING IT TO SMALLER SIZE AND SMOOTHING THE COATING, THEN PASSING THE WIRE AROUND A DRUM AT LEAST PARTLY IMMERSED IN A SECOND DILUTE SULPHURIC ACID BATH OF APPROXIMATELY 2 TO 4% CONCENTRATION SEPARATE FROM THE FIRST AND CONTAINING A TIN ANODE, MAINTAINING THE WIRE ON THE SECOND-MENTIONED DRUM AS THE CATHODE IN A CIRCUIT INCLUDING SAID SECOND BATH, THE ANODE THEREIN AND A CURRENT SOURCE, THEREBY EFFECTING PRINCIPALLY THE ELECTRODEPOSITION OF A FINAL CONTINUOUS TIN COATING ON THE WIRE, AND THEN DRAWING THE WIRE THROUGH A DIE HAVING A HOLE SMALLER THAN THAT OF SAID FIRST-MENTIONED DIE THEREBY REDUCING IT TO FINISHED SIZE AND INCREASING THE LUSTER OF ITS SURFACE.