FR921793A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR921793A
FR921793A FR921793DA FR921793A FR 921793 A FR921793 A FR 921793A FR 921793D A FR921793D A FR 921793DA FR 921793 A FR921793 A FR 921793A
Authority
FR
France
Prior art keywords
spark plug
spark
plug
plug improvements
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Maurice Pognon
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 filed Critical
Application granted granted Critical
Publication of FR921793A publication Critical patent/FR921793A/en
Expired 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
    • H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
FR921793D 1945-11-29 1945-11-29 Spark plug improvements Expired FR921793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921793T 1945-11-29

Publications (1)

Publication Number Publication Date
FR921793A true FR921793A (en) 1947-05-19

Family

ID=9437554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921793D Expired FR921793A (en) 1945-11-29 1945-11-29 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR921793A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167974A1 (en) * 2012-05-09 2013-11-14 Federal-Mogul Holding Deutschland Gmbh Spark plug with increased mechanical strength

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167974A1 (en) * 2012-05-09 2013-11-14 Federal-Mogul Holding Deutschland Gmbh Spark plug with increased mechanical strength
US8981634B2 (en) 2012-05-09 2015-03-17 Federal-Mogul Ignition Gmbh Spark plug with increased mechanical strength

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