发明申请
US20120306346A1 SPARK PLUG 有权
SPARK插头

  • 专利标题: SPARK PLUG
  • 专利标题(中): SPARK插头
  • 申请号: US13580170
    申请日: 2010-09-28
  • 公开(公告)号: US20120306346A1
    公开(公告)日: 2012-12-06
  • 发明人: Jiro KyunoAkira Suzuki
  • 申请人: Jiro KyunoAkira Suzuki
  • 优先权: JP2010-041755 20100226
  • 国际申请: PCT/JP2010/005809 WO 20100928
  • 主分类号: H01T13/20
  • IPC分类号: H01T13/20
SPARK PLUG
摘要:
A spark plug having a metal shell, the metal shell having a tool engagement portion, a trunk portion and a cylindrical groove disposed between the tool engagement portion and the trunk portion, wherein the following relationship is satisfied: Z1
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