| 发明名称 |
SPARK PLUG AND MANUFACTURING METHOD FOR SAME |
| 摘要 |
A spark plug having excellent load life performance, and a method of manufacturing the same, the spark plug having a connecting portion which electrically connects a center electrode and a metallic terminal within the axial hole of an insulator, the connecting portion including a resistor whose porosity is 5.0% or less.
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| 申请公布号 |
US2013175922(A1) |
申请公布日期 |
2013.07.11 |
| 申请号 |
US201113824448 |
申请日期 |
2011.09.07 |
| 申请人 |
YOSHIDA HARUKI;HONDA TOSHITAKA;FUKUSHIMA HOUJU;NGK SPARK PLUG CO., LTD. |
发明人 |
YOSHIDA HARUKI;HONDA TOSHITAKA;FUKUSHIMA HOUJU |
| 分类号 |
H01T13/40;H01T21/02 |
主分类号 |
H01T13/40 |
| 代理机构 |
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代理人 |
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