Method of manufacturing an electromagnetic core
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United States of America Patent
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Jan 18, 1983
Grant Date -
N/A
app pub date -
Oct 24, 1980
filing date -
Dec 29, 1979
priority date (Note) -
Expired
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Abstract
A method of manufacturing stationary electromagnetic cores utilizes mild steel having a carbon content of up to 0.01% by weight and an impurity content of less than 0.31% by weight. Use of this material lowers the cost of manufacturing electromagnetic cores by shortening the drawing process and obviating the necessity for magnetic annealing.
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