Method of forming insulated wire

Claim 1

THE PROCESS OF MAKING TEXTILE-WRAPPED MAGNET WIRE HAVING INHERENT SUPERIOR ABILITY TO PREVENT UNRAVELING OF THE TEXTILE WRAP PRIOR TO THE USE OF THE PROCESS PRODUCT, WHICH PROCESS COMPRISES, FIRST COATING A METALLIC WIRE BY PASSING IT THROUGH A BATH OF A PLASTIC DI-ELECTRIC ENAMELING SUBSTANCE, AND DRYING SAID DI-ELECTRIC COATING TO PROVIDE AN ENAMEL COATING WHICH IS INERT AND INSOLUBLE DURING THE REMAINDER OF THE PROCESS, THEN PASSING SAID COATED WIRE THROUGH A BATH OF A DIFFERENT PLASTIC SUBSTANCE TO PROVIDE A SECOND COATING OF A MATERIAL WHICH IS CAPABLE OF BEING SOFTENED BY A VOLATILE LIQUID SOLVENT EMPLOYED IN A LATER STEP OF THE PROCESS, AND DRYING SAID SECOND COATING, THEN APPLYING A POROUS TEXTILE SERVING OVER SAID SECOND COATING, THEN CONTACTING SAID PRODUCT WITH A VOLATILE LIQUID SOLVENT WHICH WILL PENETRATE SAID SERVING AND SOFTEN SAID SECOND COATING, BUT WHICH DOES NOT AFFECT SAID FIRST COATING, AND SUBSEQUENTLY PERMITTING EXCESS SOLVENT TO EVAPORATE SO AS TO EFFECT A CEMENTITIOUS BOND BETWEEN SAID SECOND COATING AND THE INNER SURFACE OF THE SERVING WHILE RETAINING THE ORIGINAL PROPERTIES OF SAID FIRST COATING AND SAID SERVING AFTER SUCH EVAPORATION.