JPS6144391B2 - - Google Patents

Info

Publication number
JPS6144391B2
JPS6144391B2 JP13214179A JP13214179A JPS6144391B2 JP S6144391 B2 JPS6144391 B2 JP S6144391B2 JP 13214179 A JP13214179 A JP 13214179A JP 13214179 A JP13214179 A JP 13214179A JP S6144391 B2 JPS6144391 B2 JP S6144391B2
Authority
JP
Japan
Prior art keywords
powder
electrode
ceramic
spark plug
protective layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP13214179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5657284A (en
Inventor
Kanemitsu Nishio
Shunichi Takagi
Yasuhiko Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP13214179A priority Critical patent/JPS5657284A/ja
Publication of JPS5657284A publication Critical patent/JPS5657284A/ja
Publication of JPS6144391B2 publication Critical patent/JPS6144391B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
JP13214179A 1979-10-13 1979-10-13 Closed end porcelain ignition plug Granted JPS5657284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13214179A JPS5657284A (en) 1979-10-13 1979-10-13 Closed end porcelain ignition plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13214179A JPS5657284A (en) 1979-10-13 1979-10-13 Closed end porcelain ignition plug

Publications (2)

Publication Number Publication Date
JPS5657284A JPS5657284A (en) 1981-05-19
JPS6144391B2 true JPS6144391B2 (enrdf_load_stackoverflow) 1986-10-02

Family

ID=15074313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13214179A Granted JPS5657284A (en) 1979-10-13 1979-10-13 Closed end porcelain ignition plug

Country Status (1)

Country Link
JP (1) JPS5657284A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514630A (en) * 1994-10-06 1996-05-07 Saint Gobain/Norton Industrial Ceramics Corp. Composition for small ceramic igniters
CN109678562B (zh) * 2019-03-06 2021-11-16 娄底市安地亚斯电子陶瓷有限公司 一种陶瓷金属化的方法
CN115680652B (zh) * 2022-09-07 2023-08-15 山东省煤田地质局物探测量队 一种气爆震源点火火花塞及远程遥控点火装置

Also Published As

Publication number Publication date
JPS5657284A (en) 1981-05-19

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