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Patent Searching and Data


Title:
SPARK PLUG
Document Type and Number:
WIPO Patent Application WO/2015/111381
Kind Code:
A1
Abstract:
In order to keep the amount of eccentricity between a terminal fitting and an insulator low, this spark plug is provided with an insulator, a terminal fitting, and a main fitting, wherein the outer diameter of the insulator at the rear end of the main fitting is 8mm or less, and the contact area of the contact surface between the terminal fitting and a flat portion of the insulator is less than 10mm2.

Inventors:
OZEKI, Keiji (C/O NGK SPARK PLUG CO. LTD, 14-18,Takatsuji-cho, Mizuho-ku, Nagoya-sh, Aichi 25, 〒4678525, JP)
Application Number:
JP2015/000098
Publication Date:
July 30, 2015
Filing Date:
January 13, 2015
Export Citation:
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Assignee:
NGK SPARK PLUG CO., LTD. (14-18, Takatsuji-cho Mizuho-ku, Nagoya-sh, Aichi 25, 〒4678525, JP)
International Classes:
H01T13/20
Domestic Patent References:
WO2013094139A12013-06-27
Foreign References:
JP2006100250A2006-04-13
JP2003045609A2003-02-14
JP2013016295A2013-01-24
JP2003045609A2003-02-14
JP2013016295A2013-01-24
JP2013131375A2013-07-04
Other References:
See also references of EP 3098913A4
Attorney, Agent or Firm:
AOKI, Noboru et al. (C/O NGK SPARK PLUG CO. LTD, 2808 Oaza-Iwasaki, Komaki-sh, Aichi 10, 〒4858510, JP)
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