JPS57180886A - Spark plug for internal combustion engine - Google Patents

Spark plug for internal combustion engine

Info

Publication number
JPS57180886A
JPS57180886A JP6672581A JP6672581A JPS57180886A JP S57180886 A JPS57180886 A JP S57180886A JP 6672581 A JP6672581 A JP 6672581A JP 6672581 A JP6672581 A JP 6672581A JP S57180886 A JPS57180886 A JP S57180886A
Authority
JP
Japan
Prior art keywords
combustion engine
internal combustion
spark plug
spark
plug
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.)
Pending
Application number
JP6672581A
Other languages
Japanese (ja)
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 JP6672581A priority Critical patent/JPS57180886A/en
Publication of JPS57180886A publication Critical patent/JPS57180886A/en
Priority to US06/620,484 priority patent/US4699600A/en
Priority to US06/712,917 priority patent/US4893051A/en
Priority to US08/073,706 priority patent/USRE35429E/en
Priority to US08/073,713 priority patent/USRE34778E/en
Pending legal-status Critical Current

Links

Landscapes

  • Spark Plugs (AREA)
JP6672581A 1981-04-30 1981-04-30 Spark plug for internal combustion engine Pending JPS57180886A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP6672581A JPS57180886A (en) 1981-04-30 1981-04-30 Spark plug for internal combustion engine
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
US08/073,706 USRE35429E (en) 1981-04-30 1993-06-09 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6672581A JPS57180886A (en) 1981-04-30 1981-04-30 Spark plug for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57180886A true JPS57180886A (en) 1982-11-08

Family

ID=13324157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6672581A Pending JPS57180886A (en) 1981-04-30 1981-04-30 Spark plug for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57180886A (en)

Cited By (4)

* 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
JPS6072182A (en) * 1983-09-28 1985-04-24 株式会社デンソー Ignition plug for internal combustion engine
JPH01105485A (en) * 1987-04-06 1989-04-21 Nippon Denso Co Ltd Spark plug for internal combustion engine
US4853582A (en) * 1987-04-06 1989-08-01 Nippondenso Co., Ltd. Spark plug for use in internal combustion engine

Cited By (5)

* 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
JPS6072182A (en) * 1983-09-28 1985-04-24 株式会社デンソー Ignition plug for internal combustion engine
JPH01105485A (en) * 1987-04-06 1989-04-21 Nippon Denso Co Ltd Spark plug for internal combustion engine
US4853582A (en) * 1987-04-06 1989-08-01 Nippondenso Co., Ltd. Spark plug for use in internal combustion engine

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