C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 2/24 (2006.01) B05D 1/18 (2006.01) B21B 39/02 (2006.01)
Patent
CA 2072200
A method for controlling coating weight on a hot-dipping steel strip comprises the steps of positioning at least one pair of high-frequency current conducting paths near one side of a steel strip and near another side of the steel strip drawn out of a coating bath, each of the high-frequency current conducting paths being parallel with a surface of the steel strip above the coating bath, and flowing a high-frequency current strong enough to magnetically saturate the steel strip through the at least one pair of high-frequency current conducting paths to induce a high-frequency current of an opposite phase in the steel strip, a magnetic pressure acting on surfaces of the steel strip being generated by interaction of the induced high- frequency current with a high-frequency current of the high- frequency current conducting paths.
Ishii Toshio
Sato Toshio
Sugiyama Shunichi
Yada Akira
Nkk Corporation
Ridout & Maybee Llp
LandOfFree
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