BE809912A - Lampe a incandescence amelioree - Google Patents

Lampe a incandescence amelioree

Info

Publication number
BE809912A
BE809912A BE139957A BE139957A BE809912A BE 809912 A BE809912 A BE 809912A BE 139957 A BE139957 A BE 139957A BE 139957 A BE139957 A BE 139957A BE 809912 A BE809912 A BE 809912A
Authority
BE
Belgium
Prior art keywords
improved
incandescence lamp
incandescence
lamp
improved incandescence
Prior art date
Application number
BE139957A
Other languages
English (en)
French (fr)
Inventor
D R Mason
J M Rees
J R Coaton
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 BE809912A publication Critical patent/BE809912A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paper (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
BE139957A 1973-01-19 1974-01-18 Lampe a incandescence amelioree BE809912A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB295273A GB1456242A (en) 1973-01-19 1973-01-19 Incandescent lamp

Publications (1)

Publication Number Publication Date
BE809912A true BE809912A (fr) 1974-05-16

Family

ID=9749149

Family Applications (1)

Application Number Title Priority Date Filing Date
BE139957A BE809912A (fr) 1973-01-19 1974-01-18 Lampe a incandescence amelioree

Country Status (14)

Country Link
US (1) US3902091A (da)
JP (1) JPS5818744B2 (da)
BE (1) BE809912A (da)
CA (1) CA986980A (da)
DE (1) DE2402136C3 (da)
DK (1) DK140963B (da)
FR (1) FR2214969B1 (da)
GB (1) GB1456242A (da)
IE (1) IE38743B1 (da)
IT (1) IT1003464B (da)
LU (1) LU69186A1 (da)
NL (1) NL177538C (da)
SE (1) SE391836B (da)
ZA (1) ZA74275B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982046A (en) * 1973-01-19 1976-09-21 Thorn Lighting Limited Incandescent lamps
US4185922A (en) * 1977-01-17 1980-01-29 Thorn Electrical Industries Limited Method of introducing fluorine into a lamp
US4256988A (en) * 1977-01-17 1981-03-17 Thorn Lighting Limited Incandescent halogen lamp with protective envelope coating
US4288713A (en) * 1979-11-23 1981-09-08 Gte Products Corporation Lamp having opaque coating
US5473226A (en) * 1993-11-16 1995-12-05 Osram Sylvania Inc. Incandescent lamp having hardglass envelope with internal barrier layer
DE4410968A1 (de) * 1994-03-29 1995-10-05 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Quecksilberhochdrucklampe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL37602C (da) * 1931-12-18 1936-03-16
US2393469A (en) * 1942-08-03 1946-01-22 Corning Glass Works Fluorescent glass and lamp made therefrom

Also Published As

Publication number Publication date
SE391836B (sv) 1977-02-28
AU6468174A (en) 1975-07-24
DE2402136B2 (de) 1978-04-13
IE38743L (en) 1974-07-19
ZA74275B (en) 1975-05-28
FR2214969B1 (da) 1977-06-10
DK140963B (da) 1979-12-10
NL177538B (nl) 1985-05-01
FR2214969A1 (da) 1974-08-19
LU69186A1 (da) 1974-04-08
IE38743B1 (en) 1978-03-29
CA986980A (en) 1976-04-06
JPS5818744B2 (ja) 1983-04-14
NL177538C (nl) 1985-10-01
NL7400812A (da) 1974-07-23
DE2402136A1 (de) 1974-07-25
US3902091A (en) 1975-08-26
JPS49104482A (da) 1974-10-03
DE2402136C3 (de) 1978-12-07
GB1456242A (en) 1976-11-24
DK140963C (da) 1980-05-27
IT1003464B (it) 1976-06-10

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