Patent ID: 7793880
Filing Date: 2010-09-14
Classification: H01F,Y10T

Abstract:
1. A winding apparatus of a multi-stage coil for a transformer, comprising: a supply part which supplies a plurality of flat rectangular electric wires separately or in a superimposed state; a forming part which rolls and forms an electric wire portion to be a curved portion when the flat rectangular electric wires are wound into a disk shape; and a wind-up part which stacks the flat rectangular electric wires formed in the forming part in layers while winding the flat rectangular electric wires into the disk shape, wherein the forming part forms the plurality of flat rectangular electric wires having the same shape and the same size separately or simultaneously, and the wind-up part stacks the plurality of formed flat rectangular electric wires in layers while winding the flat rectangular electric wires into the disk shape in a vertically superimposed state.