发明名称 |
PRODUCING COLOUR-ANODIZED ALUMINIUM ARTICLES |
摘要 |
<p>Disclosed is a method of coloring an anodized and anodically reinforced aluminum or aluminum alloy article by cathodic treatment in a coloring solution wherein the cathodic electrolytic current is a negative voltage direct current having a duration substantially less than the interval therebetween and being repeated at a frequency sufficient to produce the required coloration.</p> |
申请公布号 |
GB2063300(A) |
申请公布日期 |
1981.06.03 |
申请号 |
GB19800030059 |
申请日期 |
1980.09.17 |
申请人 |
NIPPON LIGHT METAL CO LTD |
发明人 |
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分类号 |
C25D11/22;(IPC1-7):25D11/22 |
主分类号 |
C25D11/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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