FR394823A - Method for preventing the metallic filaments of electric incandescent lamps from volatilizing - Google Patents

Method for preventing the metallic filaments of electric incandescent lamps from volatilizing

Info

Publication number
FR394823A
FR394823A FR394823DA FR394823A FR 394823 A FR394823 A FR 394823A FR 394823D A FR394823D A FR 394823DA FR 394823 A FR394823 A FR 394823A
Authority
FR
France
Prior art keywords
volatilizing
preventing
incandescent lamps
electric incandescent
metallic filaments
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 FR394823A publication Critical patent/FR394823A/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
FR394823D 1907-10-03 1908-10-01 Method for preventing the metallic filaments of electric incandescent lamps from volatilizing Expired FR394823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE394823X 1907-10-03

Publications (1)

Publication Number Publication Date
FR394823A true FR394823A (en) 1909-02-03

Family

ID=1440034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394823D Expired FR394823A (en) 1907-10-03 1908-10-01 Method for preventing the metallic filaments of electric incandescent lamps from volatilizing

Country Status (1)

Country Link
FR (1) FR394823A (en)

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