Oliff & Berridge
Method of manufacturing spirally layered and aligned printed-circuit armature coil
 A method of manufacturing an armature coil, which comprises a printed coil obtained by printing and arranging a plurality of sets of unit coil groups, each comprising an even number of unit coils, on a belt-like, thin and pliable insulating material, and a pliable insulating material overlaid over and wound together with the printed coil, wherein the gaps between the printed coil and the insulating material and between the adjoining material layers are filled for fixing in the state the printed coil and the insulating material have been wound and laminated into a cylindrical shape, is featured in that a thermoplastic adhesive material is applied to the surface of the insulating material, and a tailing end of the insulating material is adhered to the adjoining inner peripheral layer by heating at least in the step of winding and laminating the printed coil and the insulating material into a cylindrical shape. 
Minebea Co. Ltd.
Y H Y Y
Y10T H02K Y10T Y10S
additional inventional additional additional
Masato Yuuji Yuzuru Masahiko
Okamoto Shishido Suzuki Fujita