Power insertable polyamide-imide coated magnet wire

Details Power insertable polyamide-imide coated magnet wire Power insertable polyamide-imide coated magnet wire

1982-10-12

1983-09-27

Beck, Shrive P.

Metal working

Method of mechanical manufacture

Electrical device making

29606, 427118, 427409, 427416, B05D 512

Patent

active

044060556

ABSTRACT:
A magnet wire having a polyamide-imide outer coating is described which is capable of power insertion into coil slots in a locking wire size range by virtue of a specific lubricant outer coating. The external lubricant comprises a mixture of paraffin wax and hydrogenated triglyceride. An internal lubricant composition comprised of esters of fatty alcohols and fatty acids can be added to the polyamide-imide coatings to provide greater ease of insertability.

REFERENCES:
patent: 3428486 (1969-02-01), George
patent: 3523820 (1970-08-01), Sheffer
patent: 3554984 (1971-01-01), George
patent: 3600310 (1971-08-01), Eyres et al.
patent: 3817926 (1974-06-01), Pauze et al.

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