| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a winding wire capable of easily and promptly repairing a crack when the crack occurs on an insulation coating of the winding wire at the time of forming a coil made of a winding wire around teeth, to provide a formation method of a coil using the winding wire, and to provide a coil breakage repairing method capable of repairing a crack when the crack occurs on the insulation coating constituting the winding wire after installing a motor with the coil. <P>SOLUTION: Winding wires 1A and 1B consist of a conductor 1a, and an insulation coating 1d formed around the conductor 1a. The insulation coating 1d consists of an inner coating 1b arranged on a conductor side, and an outer coating 1c arranged around the inner coating 1b; the outer coating 1c consists of a thermoplastic resin; and the inner coating 1b consists of a thermoplastic resin and a material including therein a foaming agent B' with a foaming temperature higher than the softening point of the thermoplastic resin. <P>COPYRIGHT: (C)2013,JPO&INPIT |
