| 发明名称 |
Chromate film-containing plug metal component |
| 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. <IMAGE>
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| 申请公布号 |
EP1313188(A2) |
申请公布日期 |
2003.05.21 |
| 申请号 |
EP20020025535 |
申请日期 |
2002.11.13 |
| 申请人 |
NGK SPARK PLUG CO., LTD |
发明人 |
NASU, HIROAKI;MATSUTANI, WATARU;SUGIMOTO, MAKOTO;YOSHIDA, MITSURU |
| 分类号 |
C23C22/30;C23C22/48;C23C22/53;C23C22/84;F23Q7/00;H01T13/02;H01T13/20;H01T13/32;H01T21/02;(IPC1-7):H01T13/38 |
主分类号 |
C23C22/30 |
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