发明申请
- 专利标题： SPARK PLUG AND MANUFACTURING METHOD THEREOF
- 专利标题（中）： SPARK插头及其制造方法
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申请号： US13234212申请日： 2011-09-16
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公开(公告)号： US20120074828A1公开(公告)日： 2012-03-29
- 发明人: Masahiro Inoue , Hiroyuki Kameda
- 申请人： Masahiro Inoue , Hiroyuki Kameda
- 专利权人： NGK SPARK PLUG CO., LTD.
- 当前专利权人： NGK SPARK PLUG CO., LTD.
- 优先权： JPJP2010-216434 20100928; JPJP2011-184526 20110826
- 主分类号： H01T13/20
- IPC分类号： H01T13/20 ; H01T21/02
摘要：
A spark plug having improved durability having a ground electrode comprised of a ground electrode base member and a noble metal tip. A center axis of the noble metal tip slants in relation to the center axis of the ground electrode base member at angle θ which satisfies a relation 2°≦θ≦25°.
公开/授权文献
- US08253313B2 Spark plug and manufacturing method thereof 公开/授权日：2012-08-28
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