FR2285735B1 - - Google Patents

Info

Publication number
FR2285735B1
FR2285735B1 FR7526067A FR7526067A FR2285735B1 FR 2285735 B1 FR2285735 B1 FR 2285735B1 FR 7526067 A FR7526067 A FR 7526067A FR 7526067 A FR7526067 A FR 7526067A FR 2285735 B1 FR2285735 B1 FR 2285735B1
Authority
FR
France
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
FR7526067A
Other languages
French (fr)
Other versions
FR2285735A1 (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
Priority claimed from DE19742444509 external-priority patent/DE2444509A1/en
Priority claimed from DE19752516727 external-priority patent/DE2516727C3/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2285735A1 publication Critical patent/FR2285735A1/en
Application granted granted Critical
Publication of FR2285735B1 publication Critical patent/FR2285735B1/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
FR7526067A 1974-09-18 1975-08-22 ELECTRODE FOR SPARK PLUGS Granted FR2285735A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742444509 DE2444509A1 (en) 1974-09-18 1974-09-18 Centre electrode of sparking plug for IC engine - consists of bundle of nickel alloy based fibres encased in nickel alloy sheath
DE19752516727 DE2516727C3 (en) 1975-04-16 1975-04-16 Spark plug electrode

Publications (2)

Publication Number Publication Date
FR2285735A1 FR2285735A1 (en) 1976-04-16
FR2285735B1 true FR2285735B1 (en) 1979-05-18

Family

ID=25767714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7526067A Granted FR2285735A1 (en) 1974-09-18 1975-08-22 ELECTRODE FOR SPARK PLUGS

Country Status (11)

Country Link
JP (2) JPS5155832A (en)
AR (1) AR203975A1 (en)
BR (1) BR7505989A (en)
CA (1) CA1046369A (en)
DD (1) DD120570A5 (en)
ES (1) ES441028A1 (en)
FR (1) FR2285735A1 (en)
GB (1) GB1514195A (en)
IT (1) IT1042580B (en)
SE (1) SE401061B (en)
SU (1) SU673208A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451648A1 (en) * 1979-03-13 1980-10-10 Texas Instruments Inc Spar plug middle electrode has corrosion and erosion resistant core - with sheath of higher thermal conductivity
US6533629B1 (en) * 1999-07-13 2003-03-18 Alliedsignal Inc. Spark plug including a wear-resistant electrode tip made from a co-extruded composite material, and method of making same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR570141A (en) * 1923-08-25 1924-04-24 Improvements to spark plugs for internal combustion engines
US2261436A (en) * 1940-05-24 1941-11-04 Edmund R Week Jr Spark plug and method of making the same
GB588197A (en) * 1944-02-01 1947-05-16 Mallory Metallurg Prod Ltd Improvements in and relating to sparking plugs
US2470033A (en) * 1945-11-27 1949-05-10 Mallory & Co Inc P R Spark plug
US2942135A (en) * 1958-01-31 1960-06-21 Eli Ladenheim Spark plug
JPS56920B2 (en) * 1972-04-04 1981-01-10

Also Published As

Publication number Publication date
DD120570A5 (en) 1976-06-12
JPS5984785U (en) 1984-06-08
ES441028A1 (en) 1977-07-01
SE7510391L (en) 1976-03-19
AU8320975A (en) 1977-01-20
JPS5155832A (en) 1976-05-17
AR203975A1 (en) 1975-10-31
CA1046369A (en) 1979-01-16
BR7505989A (en) 1976-08-03
IT1042580B (en) 1980-01-30
SU673208A3 (en) 1979-07-05
SE401061B (en) 1978-04-17
FR2285735A1 (en) 1976-04-16
GB1514195A (en) 1978-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse