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FR503082A - Application of pure and transparent molten quartz in the manufacture of spark plugs for engines - Google Patents

Application of pure and transparent molten quartz in the manufacture of spark plugs for engines

Info

Publication number
FR503082A
FR503082A FR503082A FR503082DA FR503082A FR 503082 A FR503082 A FR 503082A FR 503082 A FR503082 A FR 503082A FR 503082D A FR503082D A FR 503082DA FR 503082 A FR503082 A FR 503082A
Authority
FR
France
Prior art keywords
engines
pure
manufacture
application
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
FR503082A
Other languages
French (fr)
Inventor
Armand-Louis Billon-Daguerre
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.)
ARMAND LOUIS BILLON DAGUERRE
Original Assignee
ARMAND LOUIS BILLON DAGUERRE
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 ARMAND LOUIS BILLON DAGUERRE filed Critical ARMAND LOUIS BILLON DAGUERRE
Application granted granted Critical
Publication of FR503082A publication Critical patent/FR503082A/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
FR503082A 1916-11-14 1916-11-14 Application of pure and transparent molten quartz in the manufacture of spark plugs for engines Expired FR503082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503082T 1916-11-14

Publications (1)

Publication Number Publication Date
FR503082A true FR503082A (en) 1920-06-02

Family

ID=8906854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503082A Expired FR503082A (en) 1916-11-14 1916-11-14 Application of pure and transparent molten quartz in the manufacture of spark plugs for engines

Country Status (1)

Country Link
FR (1) FR503082A (en)

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