FR412443A - Process for decarbonizing metal filaments for incandescent electric lamps - Google Patents

Process for decarbonizing metal filaments for incandescent electric lamps

Info

Publication number
FR412443A
FR412443A FR412443DA FR412443A FR 412443 A FR412443 A FR 412443A FR 412443D A FR412443D A FR 412443DA FR 412443 A FR412443 A FR 412443A
Authority
FR
France
Prior art keywords
decarbonizing
metal filaments
electric lamps
incandescent electric
incandescent
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.)
Westinghouse Metal Filament Lamp Co Ltd
Original Assignee
Westinghouse Metal Filament Lamp Co Ltd
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 Westinghouse Metal Filament Lamp Co Ltd filed Critical Westinghouse Metal Filament Lamp Co Ltd
Application granted granted Critical
Publication of FR412443A publication Critical patent/FR412443A/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
FR412443D 1909-02-19 1910-02-09 Process for decarbonizing metal filaments for incandescent electric lamps Expired FR412443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT412443X 1909-02-19

Publications (1)

Publication Number Publication Date
FR412443A true FR412443A (en) 1910-07-12

Family

ID=1456307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412443D Expired FR412443A (en) 1909-02-19 1910-02-09 Process for decarbonizing metal filaments for incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR412443A (en)

Similar Documents

Publication Publication Date Title
FR412443A (en) Process for decarbonizing metal filaments for incandescent electric lamps
FR13347E (en) Process for decarbonizing metal filaments for incandescent electric lamps
FR13351E (en) Process for decarburizing metal filaments for incandescent electric lamps
FR412048A (en) Process for decarburizing metal filaments for incandescent electric lamps
FR405324A (en) Process for processing tungsten metal filaments for incandescent electric lamps
FR392500A (en) Filament decarburization process for metal filament electric lamps
FR388161A (en) Process for the production of filaments of metal alloys for electric incandescent lamps
FR405325A (en) Improved process for treating metal filaments of electric incandescent lamps
FR413819A (en) Process for manufacturing supports for metal filaments of incandescent electric lamps
FR406981A (en) Manufacturing process of metal filaments for incandescent electric lamps
FR394829A (en) Process for mending the metal filaments of incandescent lamps
FR394302A (en) Process for the manufacture of filaments of electric incandescent lamps
FR392455A (en) Method of forming metal filaments for electric incandescent lamps
FR417469A (en) Process for bending filaments intended for electric incandescent lamps
CH43542A (en) Process for the calcination of filaments for incandescent electric lamps
FR420982A (en) Manufacturing process of filaments for incandescent electric lamps and metal filaments
FR384304A (en) Support for metal filaments of incandescent electric lamps
FR418964A (en) Process for the manufacture of incandescent lamps with metal filaments
FR14105E (en) Support for the metal filaments of incandescent electric lamps
FR12119E (en) Method for preventing the metallic filaments of electric incandescent lamps from volatilizing
FR414300A (en) Elastic support for filaments of incandescent electric lamps
FR429850A (en) Process for the manufacture of metal filaments for electric incandescent lamps
FR396425A (en) Method and apparatus for chemical reduction of metal filaments for electric incandescent lamps
FR391722A (en) Manufacturing process of filaments for incandescent electric lamps
FR394823A (en) Method for preventing the metallic filaments of electric incandescent lamps from volatilizing