发明授权
- 专利标题: Method of producing color-anodized aluminium articles
- 专利标题(中): 生产彩色阳极氧化铝制品的方法
-
申请号: US188260申请日: 1980-09-17
-
公开(公告)号: US4316780A公开(公告)日: 1982-02-23
- 发明人: Kohichi Yoshida , Teruo Miyashita , Hiroshi Sano
- 申请人: Kohichi Yoshida , Teruo Miyashita , Hiroshi Sano
- 申请人地址: JPX Tokyo
- 专利权人: Nippon Light Metal Company Limited
- 当前专利权人: Nippon Light Metal Company Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX54-120151 19790920
- 主分类号: C25D11/22
- IPC分类号: C25D11/22 ; C25D11/12
摘要:
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.
公开/授权文献
信息查询