FR2320646B1 - - Google Patents

Info

Publication number
FR2320646B1
FR2320646B1 FR7333476A FR7333476A FR2320646B1 FR 2320646 B1 FR2320646 B1 FR 2320646B1 FR 7333476 A FR7333476 A FR 7333476A FR 7333476 A FR7333476 A FR 7333476A FR 2320646 B1 FR2320646 B1 FR 2320646B1
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
FR7333476A
Other languages
French (fr)
Other versions
FR2320646A1 (fr
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
Priority claimed from JP9398872A external-priority patent/JPS4949034A/ja
Priority claimed from JP9398972A external-priority patent/JPS4949035A/ja
Priority claimed from JP11704672A external-priority patent/JPS4973541A/ja
Priority claimed from JP11969772A external-priority patent/JPS4977044A/ja
Priority claimed from JP12084572A external-priority patent/JPS5540993B2/ja
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Publication of FR2320646A1 publication Critical patent/FR2320646A1/fr
Application granted granted Critical
Publication of FR2320646B1 publication Critical patent/FR2320646B1/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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
FR7333476A 1972-09-18 1973-09-18 Bougie d'allumage pour moteurs a combustion interne Granted FR2320646A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP9398872A JPS4949034A (jp) 1972-09-18 1972-09-18
JP9398972A JPS4949035A (jp) 1972-09-18 1972-09-18
JP11704672A JPS4973541A (jp) 1972-11-20 1972-11-20
JP11969772A JPS4977044A (jp) 1972-11-29 1972-11-29
JP12084572A JPS5540993B2 (jp) 1972-12-01 1972-12-01

Publications (2)

Publication Number Publication Date
FR2320646A1 FR2320646A1 (fr) 1977-03-04
FR2320646B1 true FR2320646B1 (jp) 1978-02-24

Family

ID=27525671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7333476A Granted FR2320646A1 (fr) 1972-09-18 1973-09-18 Bougie d'allumage pour moteurs a combustion interne

Country Status (2)

Country Link
FR (1) FR2320646A1 (jp)
IT (1) IT994257B (jp)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2120492A (en) * 1937-02-17 1938-06-14 Karl Werth Sparking plug
US2894162A (en) * 1957-11-18 1959-07-07 Ignatjev Feodor Spark plug for internal combustion engines

Also Published As

Publication number Publication date
DE2346663B2 (de) 1977-02-03
DE2346663A1 (de) 1974-04-04
IT994257B (it) 1975-10-20
FR2320646A1 (fr) 1977-03-04

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