FR366142A - Pencils and filaments of pure graphite for electric lamps and their manufacturing process - Google Patents

Pencils and filaments of pure graphite for electric lamps and their manufacturing process

Info

Publication number
FR366142A
FR366142A FR366142DA FR366142A FR 366142 A FR366142 A FR 366142A FR 366142D A FR366142D A FR 366142DA FR 366142 A FR366142 A FR 366142A
Authority
FR
France
Prior art keywords
pencils
filaments
manufacturing process
electric lamps
pure graphite
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
Mario Cresta
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR366142A publication Critical patent/FR366142A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H01K1/06—Carbon bodies
FR366142D 1906-05-12 1906-05-12 Pencils and filaments of pure graphite for electric lamps and their manufacturing process Expired FR366142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR366142T 1906-05-12

Publications (1)

Publication Number Publication Date
FR366142A true FR366142A (en) 1906-09-27

Family

ID=1413379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR366142D Expired FR366142A (en) 1906-05-12 1906-05-12 Pencils and filaments of pure graphite for electric lamps and their manufacturing process

Country Status (1)

Country Link
FR (1) FR366142A (en)

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