FR512567A - Manufacturing process of incandescent electric lamps, with metal filament - Google Patents

Manufacturing process of incandescent electric lamps, with metal filament

Info

Publication number
FR512567A
FR512567A FR512567DA FR512567A FR 512567 A FR512567 A FR 512567A FR 512567D A FR512567D A FR 512567DA FR 512567 A FR512567 A FR 512567A
Authority
FR
France
Prior art keywords
manufacturing process
metal filament
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.)
GASGLUHLICHT AG AUERGESELLSCHA
Deutsche Gasgluehlicht AG Auergesellschaft
Original Assignee
GASGLUHLICHT AG AUERGESELLSCHA
Deutsche Gasgluehlicht AG Auergesellschaft
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 GASGLUHLICHT AG AUERGESELLSCHA, Deutsche Gasgluehlicht AG Auergesellschaft filed Critical GASGLUHLICHT AG AUERGESELLSCHA
Application granted granted Critical
Publication of FR512567A publication Critical patent/FR512567A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
FR512567D 1915-05-05 1916-02-10 Manufacturing process of incandescent electric lamps, with metal filament Expired FR512567A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE303770T 1915-05-05

Publications (1)

Publication Number Publication Date
FR512567A true FR512567A (en) 1921-01-26

Family

ID=32739652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512567D Expired FR512567A (en) 1915-05-05 1916-02-10 Manufacturing process of incandescent electric lamps, with metal filament

Country Status (4)

Country Link
DE (1) DE303770C (en)
FR (1) FR512567A (en)
GB (1) GB100387A (en)
NL (1) NL4052C (en)

Also Published As

Publication number Publication date
GB100387A (en) 1916-10-12
NL4052C (en) 1919-11-15
DE303770C (en) 1918-02-06

Similar Documents

Publication Publication Date Title
FR512567A (en) Manufacturing process of incandescent electric lamps, with metal filament
FR19410E (en) Filaments of incandescent lamps
FR424777A (en) Manufacturing process of metal filaments for incandescent electric lamps
FR429850A (en) Process for the manufacture of metal filaments for electric incandescent lamps
FR446310A (en) Manufacturing process of filaments for incandescent electric lamps
FR16313E (en) Manufacturing process of filaments for incandescent electric lamps
FR393089A (en) Manufacturing process of metal filament incandescent electric lamps
FR415183A (en) Manufacturing process of incandescent electric lamps
FR466581A (en) Improvements in the manufacture of tungsten filament incandescent lamps
FR446140A (en) Manufacturing process of filaments for incandescent electric lamps
FR478693A (en) Process for the manufacture of metal filaments for electric incandescent lamps and other uses
FR15213E (en) Process for the manufacture of incandescent lamps with metal filaments
FR481299A (en) Manufacturing process of incandescent electric lamp bases
CH80614A (en) Metal filament for incandescent lamps, with great durability and process for its manufacture
FR413819A (en) Process for manufacturing supports for metal filaments of incandescent electric lamps
FR515037A (en) Process for the manufacture of electric incandescent lamps
FR434003A (en) Process for the manufacture of electric incandescent lamps
FR447426A (en) Manufacturing process of filaments for electric incandescent lamps
FR16389E (en) Manufacturing process of filaments for electric incandescent lamps
FR418964A (en) Process for the manufacture of incandescent lamps with metal filaments
FR477172A (en) Manufacturing process of incandescent electric lamps with colored film envelope
FR446262A (en) Process for the manufacture of filament supports for electric filament electric lamps
FR430186A (en) Process for the manufacture of filament supports for electric filament electric lamps
FR457971A (en) Electric lamp, more particularly established for the repair of filaments, and its manufacturing process
FR406981A (en) Manufacturing process of metal filaments for incandescent electric lamps