Patent ID: 8272119

Claim:
A method of manufacturing a coil assembly for a stator formed with slots comprising: a coil wire combination forming step of forming a band-like coil wire combination by overlapping a plurality of coil wires in a predetermined state while forming said plurality of said coil wires with in-slot portions to be accommodated in said slots and turn portions each connecting each adjacent two of said in-slot portions and wherein said turn portions are formed in a staircase profile shape; and a shaping step of shaping said band-like coil wire combination into a cylindrical shape by spirally winding said band-like coil wire combination; wherein said coil wire combination forming step is carried out by performing an interlaced part forming step of forming an interlaced part by overlapping said coil wires such that each adjacent two of said coil wires intersect with each other and interlace with each other and a non-interlaced part forming step of forming a non-interlaced part by overlapping said coil wires such that each adjacent two of said coil wires intersect with each other and do not interlace with each other.