| 发明名称 |
PROCESS FOR COATING IN CHEMICAL WAY THE INNER AND OUTER SURFACE OF TUBES WITH INNER DIAMETER OF LESS THAN 0.8 MM, WITH NICKEL-PHOSPHORUS LAYER |
| 摘要 |
<p>The tubes are coated electrolytically by immersion in a bath comprising (g/l): 20-40 NiS04.7H20, 20-30 NaH2PO2.H20, 20-30 lactic acid, 1.98-3 propionic acid and 0.1-0.3 stabiliser (pref. lead nitrate) at pH 4.5-4.8 and 90-95 deg.C 5-10V for 1 min. till a coating of 5-30 microns is obtd.</p> |
| 申请公布号 |
HUT52179(A) |
申请公布日期 |
1990.06.28 |
| 申请号 |
HU19880006670 |
申请日期 |
1988.12.30 |
| 申请人 |
INNOFINANCE ALTALANOS INNOVACIOS PENZINTEZET RT.,HU |
发明人 |
FUEZESI,IMRE,HU;LIPCSEY,GYOENGYVER,HU;NAGY,ELEMER,HU;SZASZ,ANDRAS,HU |
| 分类号 |
C25C1/00;(IPC1-7):C25C1/00 |
主分类号 |
C25C1/00 |
| 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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