FR787877A - Improvement in the constitution of the gas atmosphere of electric lamps - Google Patents

Improvement in the constitution of the gas atmosphere of electric lamps

Info

Publication number
FR787877A
FR787877A FR787877DA FR787877A FR 787877 A FR787877 A FR 787877A FR 787877D A FR787877D A FR 787877DA FR 787877 A FR787877 A FR 787877A
Authority
FR
France
Prior art keywords
constitution
improvement
gas atmosphere
electric lamps
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)
Inventor
Hirtz Emile Philippe
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 filed Critical
Application granted granted Critical
Publication of FR787877A publication Critical patent/FR787877A/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
FR787877D 1934-06-26 1934-06-26 Improvement in the constitution of the gas atmosphere of electric lamps Expired FR787877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR787877T 1934-06-26

Publications (1)

Publication Number Publication Date
FR787877A true FR787877A (en) 1935-09-30

Family

ID=9219193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR787877D Expired FR787877A (en) 1934-06-26 1934-06-26 Improvement in the constitution of the gas atmosphere of electric lamps

Country Status (1)

Country Link
FR (1) FR787877A (en)

Similar Documents

Publication Publication Date Title
FR787877A (en) Improvement in the constitution of the gas atmosphere of electric lamps
FR788922A (en) Improvements in the manufacture of electric lamps
FR783865A (en) Improvement in the regeneration of burnt out incandescent electric lamps
FR772862A (en) Air conditioner
FR762194A (en) Improvements in the manufacture of methylamine
FR787370A (en) Air humidifier
ES134038A1 (en) Improvements in the manufacture of electric lamps.
FR790315A (en) Improvements in the preparation of copper acetates
FR775649A (en) Air purifying and sanitizing decarbonizer
FR781604A (en) Air compressor
ES133850A3 (en) Improvements in the manufacture of gas masks.
ES135953A1 (en) Improvement in the manufacture of electric incandescent lamps.
ES142195A3 (en) Improvements in the manufacture of electric incandescent lamps.
FR777618A (en) Improvements in the manufacture of miners' wicks
ES134164A1 (en) Improvements in the manufacture of incandescent electric lamps.
FR775598A (en) Humidifier-air freshener
FR762618A (en) air purifier
ES133134A1 (en) Improvement in the manufacture of electric lamps.
FR823741A (en) Further training in the manufacture of various electric lamps and tubes
FR786376A (en) Improvements in the manufacture of filament support feet for electric lamps
ES136437A2 (en) IMPROVEMENTS IN THE ELECTRICAL MANUFACTURE OF VACUUM INCANDESCENCE FILLED WITH GAS OR RARISHED ATMOSPHERE
FR793922A (en) Improvements in aircraft weaponry
CA10500S (en) Electric lamp
FR796421A (en) Improvements in the extraction of sulfur dioxide from gas mixtures
ES130793A1 (en) Improvements in the manufacture of incandescent electric lamps.