FR2310643A1 - SPARK PLUG FOR INTERNAL COMBUSTION ENGINES - Google Patents

SPARK PLUG FOR INTERNAL COMBUSTION ENGINES

Info

Publication number
FR2310643A1
FR2310643A1 FR7612706A FR7612706A FR2310643A1 FR 2310643 A1 FR2310643 A1 FR 2310643A1 FR 7612706 A FR7612706 A FR 7612706A FR 7612706 A FR7612706 A FR 7612706A FR 2310643 A1 FR2310643 A1 FR 2310643A1
Authority
FR
France
Prior art keywords
internal combustion
spark plug
combustion engines
engines
spark
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
FR7612706A
Other languages
French (fr)
Other versions
FR2310643B3 (en
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2310643A1 publication Critical patent/FR2310643A1/en
Application granted granted Critical
Publication of FR2310643B3 publication Critical patent/FR2310643B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/39—Selection of materials for electrodes
FR7612706A 1975-05-09 1976-04-29 SPARK PLUG FOR INTERNAL COMBUSTION ENGINES Granted FR2310643A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752520622 DE2520622A1 (en) 1975-05-09 1975-05-09 SPARK PLUG FOR COMBUSTION MACHINERY

Publications (2)

Publication Number Publication Date
FR2310643A1 true FR2310643A1 (en) 1976-12-03
FR2310643B3 FR2310643B3 (en) 1979-01-19

Family

ID=5946127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612706A Granted FR2310643A1 (en) 1975-05-09 1976-04-29 SPARK PLUG FOR INTERNAL COMBUSTION ENGINES

Country Status (8)

Country Link
JP (1) JPS51140034A (en)
BE (1) BE841619A (en)
BR (1) BR7602866A (en)
DE (1) DE2520622A1 (en)
ES (1) ES447673A1 (en)
FR (1) FR2310643A1 (en)
GB (1) GB1497641A (en)
IT (1) IT1078812B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270746A1 (en) * 1986-11-24 1988-06-15 Allied Corporation Method for manufacturing a center electrode for a spark plug
BE1009076A5 (en) * 1993-03-02 1996-11-05 Bogaert Bernard Van Den Mass improved electrode candle.
EP2538506A1 (en) * 2010-02-18 2012-12-26 NGK Sparkplug Co., Ltd. Spark plug

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717590A (en) * 1980-07-08 1982-01-29 Toyoda Chuo Kenkyusho Kk Ignition plug
DE3132814C2 (en) * 1980-08-21 1984-10-25 Nippondenso Co., Ltd., Kariya, Aichi Spark plug for internal combustion engines
JPS592152B2 (en) * 1981-05-07 1984-01-17 株式会社デンソー Method for manufacturing spark plugs for internal combustion engines
US4699600A (en) * 1981-04-30 1987-10-13 Nippondenso Co., Ltd. Spark plug and method of manufacturing the same
JPS6072182A (en) * 1983-09-28 1985-04-24 株式会社デンソー Ignition plug for internal combustion engine
IT8867555A0 (en) * 1988-06-10 1988-06-10 Magneti Marelli Spa MISURFACE DISCHARGE SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND PROCEDURE FOR MANUFACTURING THE GROUND ELECTRODES OF THIS SPARK PLUG
DE10129040A1 (en) * 2001-06-15 2003-01-02 Bosch Gmbh Robert spark plug
JP2004207219A (en) 2002-12-10 2004-07-22 Denso Corp Spark plug
JP4586564B2 (en) * 2005-02-18 2010-11-24 日立工機株式会社 Combustion nailer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0270746A1 (en) * 1986-11-24 1988-06-15 Allied Corporation Method for manufacturing a center electrode for a spark plug
BE1009076A5 (en) * 1993-03-02 1996-11-05 Bogaert Bernard Van Den Mass improved electrode candle.
EP2538506A1 (en) * 2010-02-18 2012-12-26 NGK Sparkplug Co., Ltd. Spark plug
EP2538506A4 (en) * 2010-02-18 2013-12-04 Ngk Spark Plug Co Spark plug
US8841826B2 (en) 2010-02-18 2014-09-23 Ngk Spark Plug Co., Ltd. Spark plug

Also Published As

Publication number Publication date
BR7602866A (en) 1977-11-16
IT1078812B (en) 1985-05-08
BE841619A (en) 1976-09-01
ES447673A1 (en) 1977-06-16
FR2310643B3 (en) 1979-01-19
DE2520622A1 (en) 1976-11-18
GB1497641A (en) 1978-01-12
JPS51140034A (en) 1976-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse