Method for producing continuous length high solids enamel coated

Details Method for producing continuous length high solids enamel coated Method for producing continuous length high solids enamel coated

1985-05-15

1986-09-16

Ramsey, Kenneth J.

Metal fusion bonding

Process

With removing or reshaping of filler material or flash after...

29460, 228176, H01B 1306

Patent

active

046117474

ABSTRACT:
A high speed method of producing continuous length magnet wire coated with a high solids content polymer coating composition. Copper or copper alloy wire segments are joined by brazing utilizing a braze whose melting point is greater than 1000.degree. F. and less than 1600.degree. F. The thus formed joint has a tensile strength greater than 27,000 p.s.i., and is capable of being conformed to the circumference of the wire substrate without substantially altering the surface integrity of the wire. The continuous length magnet wire is preheated to an elevated temperature. The preheated wire is coated with a noncirculating polymer enamel composition having a high solids content and a high viscosity at high speed. The enamel coated wire is then cured.

REFERENCES:
patent: 310258 (1885-01-01), Cowles
patent: 1561224 (1925-11-01), Fritsche
patent: 3857013 (1974-12-01), Niesse
Nonferrous Wire Handbook, vol. 2; 1981; (Chapter 10-"Silver Brazing Techniques"), pp. 133-138.

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