| 发明名称 |
Method for manufacturing a spark plug |
| 摘要 |
A tip holding jig having a receiving hole is placed below an electrode of a spark plug. A noble metallic tip is positioned at least partly in an inlet of the receiving hole. The noble metallic tip is fixed to the electrode by resistance welding under a condition that the electrode presses the noble metallic tip to the jig.
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| 申请公布号 |
US2002073539(A1) |
申请公布日期 |
2002.06.20 |
| 申请号 |
US20010011305 |
申请日期 |
2001.12.11 |
| 申请人 |
HORI TSUNENOBU;TAKAMURA KOZO |
发明人 |
HORI TSUNENOBU;TAKAMURA KOZO |
| 分类号 |
B23K11/00;H01R43/02;H01T13/20;H01T21/02;(IPC1-7):H05K3/34;H01R43/00 |
主分类号 |
B23K11/00 |
| 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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