发明授权
- 专利标题： Chromate film-containing plug metal component and method for producing the same
- 专利标题（中）： 含铬酸盐膜的塞子金属成分及其制造方法
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申请号： US10292455申请日： 2002-11-13
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公开(公告)号： US06838809B2公开(公告)日： 2005-01-04
- 发明人: Hiroaki Nasu , Wataru Matsutani , Makoto Sugimoto , Mitsuru Yoshida
- 申请人： Hiroaki Nasu , Wataru Matsutani , Makoto Sugimoto , Mitsuru Yoshida
- 申请人地址： JP Aichi
- 专利权人： NGK Spark Plug Co., Ltd.
- 当前专利权人： NGK Spark Plug Co., Ltd.
- 当前专利权人地址： JP Aichi
- 代理机构： Sughrue Mion, PLLC
- 优先权： JPP.2001-347451 20011113; JPP.2002-265796 20020911
- 主分类号： C23C22/30
- IPC分类号： C23C22/30 ; C23C22/48 ; C23C22/53 ; C23C22/84 ; F23Q7/00 ; H01T13/02 ; H01T13/20 ; H01T13/32 ; H01T21/02
摘要：
A chromate film-containing plug metal component which is a metal component for a spark plug or a glow plug, wherein: the metal component has a surface, at least part of the surface being coated with a chromate film comprising at least 95% by weight of trivalent chrome based on 100% by weight of a total chrome content in the chromate film; and the chromate film comprises dye particles.
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