FR497105A - Process for the preparation of metal filaments of electric incandescent lamps - Google Patents

Process for the preparation of metal filaments of electric incandescent lamps

Info

Publication number
FR497105A
FR497105A FR497105DA FR497105A FR 497105 A FR497105 A FR 497105A FR 497105D A FR497105D A FR 497105DA FR 497105 A FR497105 A FR 497105A
Authority
FR
France
Prior art keywords
preparation
incandescent lamps
metal filaments
electric incandescent
electric
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.)
Lumen S A Fabricas De Lamparas Electricas Ste
Original Assignee
Lumen S A Fabricas De Lamparas Electricas Ste
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 Lumen S A Fabricas De Lamparas Electricas Ste filed Critical Lumen S A Fabricas De Lamparas Electricas Ste
Application granted granted Critical
Publication of FR497105A publication Critical patent/FR497105A/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)
FR497105D 1919-01-31 1919-03-15 Process for the preparation of metal filaments of electric incandescent lamps Expired FR497105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES497105X 1919-01-31

Publications (1)

Publication Number Publication Date
FR497105A true FR497105A (en) 1919-11-26

Family

ID=1532458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497105D Expired FR497105A (en) 1919-01-31 1919-03-15 Process for the preparation of metal filaments of electric incandescent lamps

Country Status (1)

Country Link
FR (1) FR497105A (en)

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