Patent ID: 6789311
Filing Date: 2004-09-14
Classification: H01F,Y10T

Abstract:
A method of manufacturing a lacquer-coated wire having a noncircular cross-section with a long cross-sectional axis and a short cross-sectional axis which extend perpendicularly to each other, wherein the wire is composed of a metal wire and a lacquer coating having insulating and baked lacquer properties, the method comprising: pressing a lacquer-coated wire having a round cross-section using a rolling process into a cross-section having a ratio of the long cross-sectional axis to the short cross-sectional axis of at most 3:1; and winding the wire into a coil immediately after pressing the wire so that there is a transition from the pressed cross-section to the round cross-section in a region of a first or last winding of the coil where the wire leaves the coil.