Chemistry: electrical and wave energy – Apparatus – Electrolytic
C204S199000, C204S206000, C205S093000, C205S137000, C205S152000
The present invention relates to a method of reducing a band mark on an electroplating steel sheet, which can also reduce plating defects and damages to the materials caused by the differences in the physical characteristics of composition materials of a conductor roll used during electroplating Zn or Ni onto a steel sheet. In other words, the present invention comprises ceramic coating portions of circular bands, placed respectively in a thin strip at the both edge regions of the metal band position at the central portion of a conductor roll. In this manner, the present invention has the effects of reducing a band mark on a plating steel sheet, and also suppressing the generation of static electricity by eliminating the level difference between the conductive material (metal band portion) and the non-conductive material (rubber section). The present invention is also cabaple extending the life of a conductor roll by enhancing the wear and corrosion resistances thereof.
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Bell Bruce F.
Nichols Steven L.
Pohang Iron and Steel Co., Ltd.
Rader & Fishman & Grauer, PLLC
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