JPS60262374A - 内燃機関用スパ−クプラグの製造方法 - Google Patents

内燃機関用スパ−クプラグの製造方法

Info

Publication number
JPS60262374A
JPS60262374A JP11656184A JP11656184A JPS60262374A JP S60262374 A JPS60262374 A JP S60262374A JP 11656184 A JP11656184 A JP 11656184A JP 11656184 A JP11656184 A JP 11656184A JP S60262374 A JPS60262374 A JP S60262374A
Authority
JP
Japan
Prior art keywords
stress relaxation
layer
spark plug
relaxation layer
internal combustion
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.)
Granted
Application number
JP11656184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0570274B2 (2
Inventor
保幸 佐藤
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP11656184A priority Critical patent/JPS60262374A/ja
Publication of JPS60262374A publication Critical patent/JPS60262374A/ja
Publication of JPH0570274B2 publication Critical patent/JPH0570274B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Ignition Installations For Internal Combustion Engines (AREA)
  • Spark Plugs (AREA)
JP11656184A 1984-06-08 1984-06-08 内燃機関用スパ−クプラグの製造方法 Granted JPS60262374A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11656184A JPS60262374A (ja) 1984-06-08 1984-06-08 内燃機関用スパ−クプラグの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11656184A JPS60262374A (ja) 1984-06-08 1984-06-08 内燃機関用スパ−クプラグの製造方法

Publications (2)

Publication Number Publication Date
JPS60262374A true JPS60262374A (ja) 1985-12-25
JPH0570274B2 JPH0570274B2 (2) 1993-10-04

Family

ID=14690155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11656184A Granted JPS60262374A (ja) 1984-06-08 1984-06-08 内燃機関用スパ−クプラグの製造方法

Country Status (1)

Country Link
JP (1) JPS60262374A (2)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488262A (en) * 1991-12-13 1996-01-30 Nippondenso Co., Ltd. Spark electrode having low thermal stress
JP2004500690A (ja) * 2000-03-10 2004-01-08 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 内燃機関に用いられる点火プラグならびに内燃機関の点火プラグに用いられる中心電極を製造するための方法
US6923699B2 (en) 2002-02-27 2005-08-02 Ngk Spark Plug Co., Ltd. Method of making a spark plug
JP2008294006A (ja) * 2008-09-08 2008-12-04 Ngk Spark Plug Co Ltd スパークプラグ
US7521850B2 (en) 2005-11-18 2009-04-21 Federal Mogul World Wide, Inc. Spark plug with multi-layer firing tip
CN103094842A (zh) * 2013-01-18 2013-05-08 株洲湘火炬火花塞有限责任公司 一种火花塞复合电极头制作方法及复合电极头带

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488262A (en) * 1991-12-13 1996-01-30 Nippondenso Co., Ltd. Spark electrode having low thermal stress
JP2004500690A (ja) * 2000-03-10 2004-01-08 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 内燃機関に用いられる点火プラグならびに内燃機関の点火プラグに用いられる中心電極を製造するための方法
US6923699B2 (en) 2002-02-27 2005-08-02 Ngk Spark Plug Co., Ltd. Method of making a spark plug
US7521850B2 (en) 2005-11-18 2009-04-21 Federal Mogul World Wide, Inc. Spark plug with multi-layer firing tip
US7581304B2 (en) 2005-11-18 2009-09-01 Federal-Mogul World Wide, Inc. Method of forming a spark plug with multi-layer firing tip
US7671521B2 (en) 2005-11-18 2010-03-02 Federal Mogul World Wide, Inc. Spark plug with multi-layer firing tip
US7948159B2 (en) 2005-11-18 2011-05-24 Federal Mogul World Wide, Inc. Spark plug with multi-layer firing tip
JP2008294006A (ja) * 2008-09-08 2008-12-04 Ngk Spark Plug Co Ltd スパークプラグ
CN103094842A (zh) * 2013-01-18 2013-05-08 株洲湘火炬火花塞有限责任公司 一种火花塞复合电极头制作方法及复合电极头带

Also Published As

Publication number Publication date
JPH0570274B2 (2) 1993-10-04

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