| 发明名称 |
CLEANING ALUMINIUM WORKPIECES. |
| 摘要 |
<p>A method of cleaning an Al workpiece comprises a.c. anodising the workpiece in an acidic electrolyte capable of dissolving aluminium oxide and maintained at a temperature of at least 70 temperature C under conditions such that the surface of the workpiece is cleaned with any oxide film thereon being non-porous and no more than about 20 nm thick.</p> |
| 申请公布号 |
MX9704286(A) |
申请公布日期 |
1997.09.30 |
| 申请号 |
MX19970004286 |
申请日期 |
1995.12.18 |
| 申请人 |
ALCAN INTERNATIONAL LIMITED |
发明人 |
PETER KARL FERDINAND LIMBACH;ARMIN KUMPART;NIGEL CLEATON DAVIES;JONATHAN BALL |
| 分类号 |
C25D5/44;C25D11/04;C25F1/04;(IPC1-7):C25F01/04;C25D05/44 |
主分类号 |
C25D5/44 |
| 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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