Method of improving the surface insulation resistance of electri

Details Method of improving the surface insulation resistance of electri Method of improving the surface insulation resistance of electri

1977-11-02

1978-10-31

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412935, C25F 306, C25F 314, C25F 324

Patent

active

041233379

ABSTRACT:
A method of improving the surface insulation resistance of electrical steels having an insulative coating thereon by subjecting the electrical steels to electrochemical treatment as part of the routing thereof, to remove small metallic nodules, particles and the like extending through or protruding above the insulative coating. Following the electrochemical treatment, the electrical steels are rinsed and dried.

REFERENCES:
patent: 2122463 (1938-07-01), Fuller
patent: 2374449 (1945-04-01), Mulcahy
patent: 2607825 (1952-08-01), Eisler
patent: 2820003 (1958-01-01), Logan
patent: 3043758 (1962-07-01), Machu
patent: 3073943 (1963-01-01), Girling et al.
patent: 3644185 (1972-02-01), Benford

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