| 发明名称 |
SPARK PLUG AND MANUFACTURING METHOD THEREOF |
| 摘要 |
<p>In a spark plug (100), the amount of protrusion (A) of a protruding part (36) satisfies 0.4 mm ? A ? 1.0 mm, and the width (B) from the front end surface (31) of the ground electrode (30) to a pressed-in part (37) satisfies ? 0.4 mm B ? 2.5 mm.</p> |
| 申请公布号 |
WO2010044236(A1) |
申请公布日期 |
2010.04.22 |
| 申请号 |
WO2009JP05283 |
申请日期 |
2009.10.09 |
| 申请人 |
NGK SPARK PLUG CO., LTD.;NAKAYAMA, KATSUTOSHI;KATSURAYA, KOHEI |
发明人 |
NAKAYAMA, KATSUTOSHI;KATSURAYA, KOHEI |
| 分类号 |
H01T13/32;H01T13/20;H01T21/02 |
主分类号 |
H01T13/32 |
| 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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