发明名称 |
Spark plug with an identifier |
摘要 |
A spark plug includes an insulator having an axial hole extending in the direction of an axis, and a terminal electrode disposed at a rear end portion of the axial hole. An identifier bearing externally visible identification information is joined to the rear end surface of the terminal electrode. The identifier has a thickness of 0.03 mm or greater along the direction of the axis.
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申请公布号 |
US8384277(B2) |
申请公布日期 |
2013.02.26 |
申请号 |
US20100974658 |
申请日期 |
2010.12.21 |
申请人 |
NGK SPARK PLUG CO., LTD.;YAMADA YUICHI;KUKI HIROAKI;SANO TAKASHI |
发明人 |
YAMADA YUICHI;KUKI HIROAKI;SANO TAKASHI |
分类号 |
F02M57/06;H01T13/20 |
主分类号 |
F02M57/06 |
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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