DIFFERENTIAL ELECTROPLATING METHOD FOR STEEL STRIP IN LATERAL DIRECTION

PURPOSE:To manufacture stably a steel strip subjected to differential plating in the lateral direction by using an electrode divided obliquely into parts having high current density and a part having low current density in the lateral direction of a steel strip and by supplying electric current to t...

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Bibliographic Details
Main Authors KANAMARU TATSUYA, NAKAYAMA MOTOHIRO
Format Patent
LanguageEnglish
Published 21.02.1987
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Summary:PURPOSE:To manufacture stably a steel strip subjected to differential plating in the lateral direction by using an electrode divided obliquely into parts having high current density and a part having low current density in the lateral direction of a steel strip and by supplying electric current to the electrode as the anode and the steel strip as the cathode. CONSTITUTION:A steel strip 1 is subjected to differential plating 2 in the lateral direction to form a layer composed of both thick edge parts and a thin central part. At this time, an electrode 3 divided obliquely into parts 4 having high current density and a part 5 having low current density in the lateral direction of the steel strip 1 is used. Electric current is supplied to the electrode 3 as the anode and the steel strip 1 as the cathode and the steel strip 1 is continuously passed through a plating bath to carry out differential plating.
Bibliography:Application Number: JP19850179341