Water-cooled winding for electromagnetic stirrer

Details Water-cooled winding for electromagnetic stirrer Water-cooled winding for electromagnetic stirrer

1986-08-01

1989-06-06

Robinson, Ellis P.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428251, 428324, 428267, 428363, 428365, 428375, 428376, 428379, 428392, 428395, 428383, 428415, 428416, 428430, 428435, 4284735, 4284744, 4284747, 4284752, 174110N, 174121SR, 336205, 336206, D02G 300, H01B 700, H01F 2730

Patent

active

048367699

ABSTRACT:
Disclosed is a water-cooled winding for an electromagnetic stirrer, which comprises a coil including a plurality of wound flat type wires having a wire-insulating turn insulation, and a porous polyamide fiber having an air permeation rate not higher than 25 seconds/100 cm.sup.3 of air covering the periphery of the coil, which is impregnated with an epoxy resin composition. In this water-cooled winding, the polyamide fiber is sufficiently impregnated with the epoxy resin composition and this epoxy resin composition is cured stably and assuredly. Accordingly, the mechanical rigidity of the winding is sufficiently high, and the water resistance of the winding is highly improved and is maintained for a long time, with the result that the life of the winding is greatly prolonged.

REFERENCES:
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patent: 3775628 (1973-11-01), Anderson et al.
patent: 4117361 (1978-09-01), Smith et al.
patent: 4163821 (1979-08-01), Nienart et al.
patent: 4204181 (1980-05-01), Smith et al.
patent: 4335367 (1982-06-01), Mitsui et al.
patent: 4399190 (1983-08-01), Iwabuchi et al.
patent: 4399191 (1983-08-01), Iwabuchi et al.
patent: 4400226 (1983-08-01), Horrigan
patent: 4400676 (1983-08-01), Mitsui
patent: 4418241 (1983-11-01), Fujiwar
patent: 4724345 (1988-02-01), Elton et al.
patent: 4724600 (1988-02-01), Studniarz et al.

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