JPS57182990A - Method of producing spark plug for internal combustion engine - Google Patents

Method of producing spark plug for internal combustion engine

Info

Publication number
JPS57182990A
JPS57182990A JP6875881A JP6875881A JPS57182990A JP S57182990 A JPS57182990 A JP S57182990A JP 6875881 A JP6875881 A JP 6875881A JP 6875881 A JP6875881 A JP 6875881A JP S57182990 A JPS57182990 A JP S57182990A
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
spark plug
producing spark
producing
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
JP6875881A
Other languages
Japanese (ja)
Other versions
JPS592152B2 (en
Inventor
Riyouji Kondou
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 JP56068758A priority Critical patent/JPS592152B2/en
Publication of JPS57182990A publication Critical patent/JPS57182990A/en
Publication of JPS592152B2 publication Critical patent/JPS592152B2/en
Priority to US06/620,484 priority patent/US4699600A/en
Priority to US06/712,917 priority patent/US4893051A/en
Priority to US08/073,713 priority patent/USRE34778E/en
Priority to US08/073,706 priority patent/USRE35429E/en
Expired legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
JP56068758A 1981-04-30 1981-05-07 Method for manufacturing spark plugs for internal combustion engines Expired JPS592152B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP56068758A JPS592152B2 (en) 1981-05-07 1981-05-07 Method for manufacturing spark plugs for internal combustion engines
US06/620,484 US4699600A (en) 1981-04-30 1984-06-14 Spark plug and method of manufacturing the same
US06/712,917 US4893051A (en) 1981-04-30 1985-03-18 Spark plug and the method of manufacturing the same
US08/073,713 USRE34778E (en) 1981-04-30 1993-06-09 Spark plug and method of manufacturing the same
US08/073,706 USRE35429E (en) 1981-04-30 1993-06-09 Spark plug and the method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56068758A JPS592152B2 (en) 1981-05-07 1981-05-07 Method for manufacturing spark plugs for internal combustion engines

Publications (2)

Publication Number Publication Date
JPS57182990A true JPS57182990A (en) 1982-11-11
JPS592152B2 JPS592152B2 (en) 1984-01-17

Family

ID=13382964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56068758A Expired JPS592152B2 (en) 1981-04-30 1981-05-07 Method for manufacturing spark plugs for internal combustion engines

Country Status (1)

Country Link
JP (1) JPS592152B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230282A (en) * 1983-06-13 1984-12-24 株式会社デンソー Spark plug for internal combustion engine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2296033A (en) * 1941-01-18 1942-09-15 Gen Motors Corp Spark plug
JPS504132U (en) * 1973-05-12 1975-01-17
JPS50157733A (en) * 1974-01-31 1975-12-19
JPS5187637A (en) * 1975-01-30 1976-07-31 Ngk Spark Plug Co TENKASENDENKYOKUJIKUNIKINZOKUCHITSUPUDENKYOKUOSETSUGOSURUHOHO
JPS51140034A (en) * 1975-05-09 1976-12-02 Bosch Gmbh Robert Ignition plug for internal combustion engine
JPS5338046U (en) * 1976-09-08 1978-04-03

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2296033A (en) * 1941-01-18 1942-09-15 Gen Motors Corp Spark plug
JPS504132U (en) * 1973-05-12 1975-01-17
JPS50157733A (en) * 1974-01-31 1975-12-19
JPS5187637A (en) * 1975-01-30 1976-07-31 Ngk Spark Plug Co TENKASENDENKYOKUJIKUNIKINZOKUCHITSUPUDENKYOKUOSETSUGOSURUHOHO
JPS51140034A (en) * 1975-05-09 1976-12-02 Bosch Gmbh Robert Ignition plug for internal combustion engine
JPS5338046U (en) * 1976-09-08 1978-04-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59230282A (en) * 1983-06-13 1984-12-24 株式会社デンソー Spark plug for internal combustion engine
JPH0241154B2 (en) * 1983-06-13 1990-09-14 Nippon Denso Co

Also Published As

Publication number Publication date
JPS592152B2 (en) 1984-01-17

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