发明授权
- 专利标题: Process for phosphating steel strip galvanized on one side
- 专利标题(中): 一面镀锌钢带磷化工艺
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申请号: US387931申请日: 1995-04-27
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公开(公告)号: US5516372A公开(公告)日: 1996-05-14
- 发明人: Joerg Riesop , Raschad Mady , Dieter Geruhn , Frank Panter , Franz Ricke , Hubertus Peters , Juergen Verheien , Manfred Wessel
- 申请人: Joerg Riesop , Raschad Mady , Dieter Geruhn , Frank Panter , Franz Ricke , Hubertus Peters , Juergen Verheien , Manfred Wessel
- 申请人地址: DEX Duesseldorf DEX Dortmund
- 专利权人: Henkel Kommanditgesellschaft auf Aktien,Krupp Hoesch Stahl AG
- 当前专利权人: Henkel Kommanditgesellschaft auf Aktien,Krupp Hoesch Stahl AG
- 当前专利权人地址: DEX Duesseldorf DEX Dortmund
- 优先权: DEX4228470.8 19920827
- 主分类号: C23C22/12
- IPC分类号: C23C22/12 ; C23C22/18 ; C23C22/22 ; C23C22/36
摘要:
A process for phosphating a galvanized surface of a steel strip electrolytically galvanized on one side by contacting the galvanized surface of the steel strip with a phosphating solution containing 1.0 to 6 g/l zinc, 0.5 to 5.0 g/l nickel and 14 to 25 g/l phosphate at a temperature of 40.degree. to 70.degree. C. for from 2 to 20 seconds. The ungalvanized surface remains metal bright.
公开/授权文献
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