FR1027206A - Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns - Google Patents

Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns

Info

Publication number
FR1027206A
FR1027206A FR1027206DA FR1027206A FR 1027206 A FR1027206 A FR 1027206A FR 1027206D A FR1027206D A FR 1027206DA FR 1027206 A FR1027206 A FR 1027206A
Authority
FR
France
Prior art keywords
double
lamp
mixed light
helical turns
multiple 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)
Inventor
Nther Gunnar Georg Johan Gu
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.)
Auralight AB
Original Assignee
Lumalampan AB
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 Lumalampan AB filed Critical Lumalampan AB
Application granted granted Critical
Publication of FR1027206A publication Critical patent/FR1027206A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/52Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
FR1027206D 1949-11-23 1950-11-04 Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns Expired FR1027206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE290124X 1949-11-23

Publications (1)

Publication Number Publication Date
FR1027206A true FR1027206A (en) 1953-05-08

Family

ID=20307220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027206D Expired FR1027206A (en) 1949-11-23 1950-11-04 Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns

Country Status (4)

Country Link
BE (1) BE499326A (en)
CH (1) CH290124A (en)
FR (1) FR1027206A (en)
GB (1) GB706326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092781A3 (en) * 1982-04-28 1984-07-25 Gte Products Corporation Tungsten-halogen incandescent lamp containing additive to reduce filament sag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0092781A3 (en) * 1982-04-28 1984-07-25 Gte Products Corporation Tungsten-halogen incandescent lamp containing additive to reduce filament sag

Also Published As

Publication number Publication date
BE499326A (en)
GB706326A (en) 1954-03-31
CH290124A (en) 1953-04-15

Similar Documents

Publication Publication Date Title
FR1027206A (en) Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns
BE585522A (en) Incandescent electric lamp, with light scattering bulb.
FR986138A (en) Improvements in the manufacture of incandescent lamps
FR1027204A (en) Incandescent electric lamp or discharge tube comprising a filament carried by conductors and one or more columns
CH282867A (en) Electric light bulb with two incandescent bodies.
FR1070809A (en) Incandescent electric lamp and its manufacturing process
CH283232A (en) Luminaire with at least one tubular fluorescent lamp and one incandescent lamp.
FR938937A (en) Multiple filament incandescent lamp
DK75940C (en) Electric incandescent lamp with two filaments and a bowl-shaped, inner shade.
FR984710A (en) Incandescent electric lamp
FR996477A (en) Incandescent electric lamp
FR926499A (en) Electric discharge lamp, intended for lighting and / or irradiation
ES195368A1 (en) ELECTRIC INCANDESCENCE LAMPS OR MIXED LAMPS, PREFERENTIALLY WITH DOUBLE OR MULTIPLE SPIRAL FILAMENT
FR985647A (en) Incandescent filament candle
DK74851C (en) Electric incandescent lamp with internal shade.
DK77183C (en) Electric lamp, in particular incandescent lamp, with a glass container the inside of which has a light-diffusing coating.
FR990586A (en) Variable Wattage Incandescent Lamp Improvements
FR603563A (en) Multi-filament electric incandescent lamp with variable lighting intensity
DK74677C (en) Electric incandescent lamp or mixed light lamp with getter.
FR1031458A (en) Incandescent lamp
FR1014281A (en) Incandescent lamp
FR1041330A (en) Incandescent lamp
IE18745L (en) Incandescent lamps
FR1017895A (en) Incandescent lamp comprising at least one partially masked filament
FR950789A (en) Dual filament lighting lamp