FR392501A - Manufacturing process of metal filaments for electric lamps - Google Patents

Manufacturing process of metal filaments for electric lamps

Info

Publication number
FR392501A
FR392501A FR392501DA FR392501A FR 392501 A FR392501 A FR 392501A FR 392501D A FR392501D A FR 392501DA FR 392501 A FR392501 A FR 392501A
Authority
FR
France
Prior art keywords
manufacturing process
metal filaments
electric lamps
filaments
lamps
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.)
Corona Gluehlampenfabrik G M B H
Original Assignee
Corona Gluehlampenfabrik G M B H
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 Corona Gluehlampenfabrik G M B H filed Critical Corona Gluehlampenfabrik G M B H
Application granted granted Critical
Publication of FR392501A publication Critical patent/FR392501A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K3/00Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR392501D 1908-07-20 1908-07-20 Manufacturing process of metal filaments for electric lamps Expired FR392501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR392501T 1908-07-20

Publications (1)

Publication Number Publication Date
FR392501A true FR392501A (en) 1908-11-28

Family

ID=1437871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR392501D Expired FR392501A (en) 1908-07-20 1908-07-20 Manufacturing process of metal filaments for electric lamps

Country Status (1)

Country Link
FR (1) FR392501A (en)

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