FR1158487A - Perfectionnements à la fabrication des lampes à incandescence - Google Patents

Perfectionnements à la fabrication des lampes à incandescence

Info

Publication number
FR1158487A
FR1158487A FR1158487DA FR1158487A FR 1158487 A FR1158487 A FR 1158487A FR 1158487D A FR1158487D A FR 1158487DA FR 1158487 A FR1158487 A FR 1158487A
Authority
FR
France
Prior art keywords
manufacture
incandescent lamps
incandescent
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
English (en)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR1158487A publication Critical patent/FR1158487A/fr
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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
FR1158487D 1955-08-03 1956-08-01 Perfectionnements à la fabrication des lampes à incandescence Expired FR1158487A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52627155A 1955-08-03 1955-08-03

Publications (1)

Publication Number Publication Date
FR1158487A true FR1158487A (fr) 1958-06-16

Family

ID=24096641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158487D Expired FR1158487A (fr) 1955-08-03 1956-08-01 Perfectionnements à la fabrication des lampes à incandescence

Country Status (4)

Country Link
DE (1) DE1246874B (enrdf_load_stackoverflow)
FR (1) FR1158487A (enrdf_load_stackoverflow)
GB (1) GB807137A (enrdf_load_stackoverflow)
NL (1) NL113832C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7306307A (enrdf_load_stackoverflow) * 1973-05-05 1974-11-07

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE615076C (de) * 1931-05-01 1935-06-26 Ver Gluehlampen Und Electricit Elektrische Metallfadengluehlampe mit einer Fuellung aus Edelgas und einem Halogen als elektronegativem Zusatzstoff
DE611879C (de) * 1932-10-16 1935-04-08 Naamlooze Vennootschap Machine Gasgefuellte Metallfadenlampe
DE833221C (de) * 1949-08-20 1952-03-06 Patra Patent Treuhand Elektrische Gasentladungsroehre, insbesondere fuer Strahlungszwecke
DE841307C (de) * 1949-10-06 1952-06-13 Patra Patent Treuhand Elektrische Gluehlampe mit Selbstreinigung und selbsttaetiger Leuchtkoerperregenerierung

Also Published As

Publication number Publication date
GB807137A (en) 1959-01-07
DE1246874B (de) 1967-08-10
NL113832C (enrdf_load_stackoverflow)

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