Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1985-08-13
1987-05-05
Sheehan, John P.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
148113, H01F 104
Patent
active
046629548
ABSTRACT:
A method is provided for improving the core losses of silicon-iron steels, especially grain-oriented silicon steels, by improving the uniformity and quality of the base insulating coating; the method includes winding coated steel strip at winding tensions sufficient to form a coil having good coil integrity and sufficiently loose to improve base coating formation.
REFERENCES:
patent: 3585085 (1971-06-01), Fritz et al.
patent: 3653984 (1972-04-01), Urushiyama et al.
patent: 4290829 (1981-09-01), Koshiishi et al.
Allegheny Ludlum Corporation
Sheehan John P.
Viccaro Patrick J.
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