GB1239120A - - Google Patents

Info

Publication number
GB1239120A
GB1239120A GB1239120DA GB1239120A GB 1239120 A GB1239120 A GB 1239120A GB 1239120D A GB1239120D A GB 1239120DA GB 1239120 A GB1239120 A GB 1239120A
Authority
GB
United Kingdom
Prior art keywords
fluorine
bulb
chlorine
gas
cclf
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)
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
Publication of GB1239120A publication Critical patent/GB1239120A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/50Selection of substances for gas fillings; Specified pressure thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1239120D 1968-12-27 1969-12-24 Expired GB1239120A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP43095779A JPS4826632B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-12-27 1968-12-27

Publications (1)

Publication Number Publication Date
GB1239120A true GB1239120A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-14

Family

ID=14146950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239120D Expired GB1239120A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-12-27 1969-12-24

Country Status (6)

Country Link
US (1) US3619701A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4826632B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH501997A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1965229A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2027239A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1239120A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009916C2 (de) * 1970-03-03 1985-05-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Halogenglühlampe
GB1276828A (en) * 1970-10-15 1972-06-07 Thorn Electrical Ind Ltd Manufacture of tungsten halogen lamps
US3707643A (en) * 1971-06-30 1972-12-26 Westinghouse Electric Corp Halogen regenerative-cycle incandescent lamp
NL7207324A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-31 1973-12-04
DE2231520A1 (de) * 1972-06-28 1974-01-17 Philips Nv Verfahren zur herstellung einer elektrischen gluehlampe mit verlaengerter lebensdauer und/oder erhoehter lichtausbeute
JPS51121779A (en) * 1975-04-18 1976-10-25 Hitachi Ltd Method of producing gas insulation electric device
US4005324A (en) * 1976-03-17 1977-01-25 General Motors Corporation Tungsten-fluorine lamp with native retained oxygen therein and method of manufacture
HU207906B (en) * 1989-04-14 1993-06-28 Tungsram Reszvenytarsasag Method for making halogen- favourably fluor-filled incandescent lamp
EP1774569A2 (en) * 2004-07-22 2007-04-18 Philips Intellectual Property & Standards GmbH Halogen lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1925857A (en) * 1930-01-22 1933-09-05 Gen Electric Electric incandescent lamp
NL262249A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1960-03-11
NL135014C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-09-20
NL6614205A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-10-08 1968-04-09
US3453476A (en) * 1967-06-06 1969-07-01 Gen Electric Halogen regenerative cycle incandescent lamp

Also Published As

Publication number Publication date
DE1965229A1 (de) 1970-08-13
JPS4826632B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-13
FR2027239A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-09-25
CH501997A (de) 1971-01-15
US3619701A (en) 1971-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee