Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-03-02
1991-05-07
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
29605, 310156, 310254, 336200, 336206, H02K 1504
Patent
active
050125710
ABSTRACT:
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.
REFERENCES:
patent: 3587019 (1971-06-01), Bull
patent: 3641640 (1972-02-01), Rayburn
patent: 4645961 (1987-02-01), Malsky
patent: 4843269 (1989-06-01), Shramo
Fujita Masahiko
Okamoto Masato
Shishido Yuuji
Suzuki Yuzuru
Hall Carl E.
Minebea Co. Ltd.
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