发明名称 |
Manufacturing method for spark plug |
摘要 |
A method of manufacturing a spark plug includes a joining step of joining a first member and a second member which constitute the spark plug. In the joining step, a first welding electrode in contact with the first member and a second welding electrode which has an elastically deformable intermediate portion and which is in contact with the second member are electrically connected through the first member and the second member, whereby the first member and the second member are joined together by resistance welding. |
申请公布号 |
US8641468(B2) |
申请公布日期 |
2014.02.04 |
申请号 |
US201213977931 |
申请日期 |
2012.01.20 |
申请人 |
TANAKA TOMOYUKI;OKAZAKI KOUJI;NGK SPARK PLUG., LTD. |
发明人 |
TANAKA TOMOYUKI;OKAZAKI KOUJI |
分类号 |
H01T21/02 |
主分类号 |
H01T21/02 |
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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