FR556715A - Spark plugs for internal combustion engines - Google Patents

Spark plugs for internal combustion engines

Info

Publication number
FR556715A
FR556715A FR556715DA FR556715A FR 556715 A FR556715 A FR 556715A FR 556715D A FR556715D A FR 556715DA FR 556715 A FR556715 A FR 556715A
Authority
FR
France
Prior art keywords
internal combustion
combustion engines
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)
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.)
J De Saint Martin & Chabrolle
Original Assignee
J De Saint Martin & Chabrolle
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 J De Saint Martin & Chabrolle filed Critical J De Saint Martin & Chabrolle
Application granted granted Critical
Publication of FR556715A publication Critical patent/FR556715A/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
    • H01T13/38—Selection of materials for insulation
FR556715D 1922-09-30 1922-09-30 Spark plugs for internal combustion engines Expired FR556715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556715T 1922-09-30

Publications (1)

Publication Number Publication Date
FR556715A true FR556715A (en) 1923-07-25

Family

ID=8940351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556715D Expired FR556715A (en) 1922-09-30 1922-09-30 Spark plugs for internal combustion engines

Country Status (1)

Country Link
FR (1) FR556715A (en)

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