GB373096A - Improvements in or relating to gas-filled electric incandescent lamps - Google Patents

Improvements in or relating to gas-filled electric incandescent lamps

Info

Publication number
GB373096A
GB373096A GB33796/30A GB3379630A GB373096A GB 373096 A GB373096 A GB 373096A GB 33796/30 A GB33796/30 A GB 33796/30A GB 3379630 A GB3379630 A GB 3379630A GB 373096 A GB373096 A GB 373096A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
relating
gas
electric incandescent
filled electric
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
GB33796/30A
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB373096A publication Critical patent/GB373096A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof

Landscapes

  • Radiation-Therapy Devices (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Resistance Heating (AREA)
  • Discharge Lamp (AREA)

Abstract

373,096. Electric incandescent lamps. EGYESœLT IZZËLAMP‡ •S VILLAMOSS‡GE R•SZV•NY-T‡RSAS‡G, Ujpest, near Budapest. Nov. 10, 1930, No. 33796. Convention date, Dec. 16, 1929. Void [Published under Sect. 91 of the Acts]. [Class 39 (ii).] Incandescent lamps having tungsten filaments are filled with hexafluoride of tungsten either alone or mixed with argon or nitrogen or with both these gases. The Specification refers to the addition to the usual gaseous fillings in lamps of gaseous haloids such as hydrochloric acid gas, and tetrafluoride of silicium.
GB33796/30A 1929-12-16 1930-11-10 Improvements in or relating to gas-filled electric incandescent lamps Expired GB373096A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU373096X 1929-12-16

Publications (1)

Publication Number Publication Date
GB373096A true GB373096A (en) 1932-05-19

Family

ID=10978971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33796/30A Expired GB373096A (en) 1929-12-16 1930-11-10 Improvements in or relating to gas-filled electric incandescent lamps

Country Status (2)

Country Link
US (1) US2060657A (en)
GB (1) GB373096A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237683B (en) * 1961-07-26 1967-03-30 Philips Nv Gas-filled electric light bulb
DE1270684B (en) * 1961-07-26 1968-06-20 Philips Nv Gas-filled incandescent lamp with a tungsten filament and process for its manufacture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL216253A (en) * 1956-04-28
US3759602A (en) * 1971-08-30 1973-09-18 Gen Electric Inhibiting d-c notching effect in incandescent lamp filaments

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237683B (en) * 1961-07-26 1967-03-30 Philips Nv Gas-filled electric light bulb
DE1270684B (en) * 1961-07-26 1968-06-20 Philips Nv Gas-filled incandescent lamp with a tungsten filament and process for its manufacture

Also Published As

Publication number Publication date
US2060657A (en) 1936-11-10

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