METHOD FOR ELECTROLYTICALLY COLORING ALUMINUM OR ALUMINUM ALLOY

PURPOSE:To give efficiently a uniform and fine color to the surface of anodically oxidized Al by electrolytic coloring by applying positive voltage having a specified intermittent wave-form to the Al to pretreat the Al before the electrolytic coloring. CONSTITUTION:Al or an Al alloy subjected to con...

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Bibliographische Detailangaben
Hauptverfasser: HINOTA YUJI, NOZAKI ISAMU, YANAGISAWA TERUHISA, HAMAZAKI MICHIO, ARIMA KIYOZUMI
Format: Patent
Sprache:eng
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