FR731954A - Improvement in spark plugs - Google Patents

Improvement in spark plugs

Info

Publication number
FR731954A
FR731954A FR731954DA FR731954A FR 731954 A FR731954 A FR 731954A FR 731954D A FR731954D A FR 731954DA FR 731954 A FR731954 A FR 731954A
Authority
FR
France
Prior art keywords
improvement
spark plugs
spark
plugs
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
Theophile-Elphege Ponsot
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 FR731954A publication Critical patent/FR731954A/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
    • H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
    • H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR731954D 1931-04-23 1931-04-23 Improvement in spark plugs Expired FR731954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731954T 1931-04-23

Publications (1)

Publication Number Publication Date
FR731954A true FR731954A (en) 1932-09-10

Family

ID=9120201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731954D Expired FR731954A (en) 1931-04-23 1931-04-23 Improvement in spark plugs

Country Status (1)

Country Link
FR (1) FR731954A (en)

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