FR378917A - Process for the manufacture of filaments for electric lamps using hardly fusible metals - Google Patents

Process for the manufacture of filaments for electric lamps using hardly fusible metals

Info

Publication number
FR378917A
FR378917A FR378917DA FR378917A FR 378917 A FR378917 A FR 378917A FR 378917D A FR378917D A FR 378917DA FR 378917 A FR378917 A FR 378917A
Authority
FR
France
Prior art keywords
filaments
manufacture
electric lamps
fusible metals
hardly fusible
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.)
Bergmann Elektricitaets Werke AG
Original Assignee
Bergmann Elektricitaets Werke AG
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 Bergmann Elektricitaets Werke AG filed Critical Bergmann Elektricitaets Werke AG
Application granted granted Critical
Publication of FR378917A publication Critical patent/FR378917A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR378917D 1907-06-17 1907-06-17 Process for the manufacture of filaments for electric lamps using hardly fusible metals Expired FR378917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR378917T 1907-06-17

Publications (1)

Publication Number Publication Date
FR378917A true FR378917A (en) 1907-10-19

Family

ID=1425246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR378917D Expired FR378917A (en) 1907-06-17 1907-06-17 Process for the manufacture of filaments for electric lamps using hardly fusible metals

Country Status (1)

Country Link
FR (1) FR378917A (en)

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