SE391836B - ELECTRIC VOLFRAMHALOGEN FLUDE LAMP AND WAY TO PRODUCE THE SAME - Google Patents

ELECTRIC VOLFRAMHALOGEN FLUDE LAMP AND WAY TO PRODUCE THE SAME

Info

Publication number
SE391836B
SE391836B SE7400620A SE7400620A SE391836B SE 391836 B SE391836 B SE 391836B SE 7400620 A SE7400620 A SE 7400620A SE 7400620 A SE7400620 A SE 7400620A SE 391836 B SE391836 B SE 391836B
Authority
SE
Sweden
Prior art keywords
volframhalogen
flude
lamp
produce
electric
Prior art date
Application number
SE7400620A
Other languages
Swedish (sv)
Inventor
D R Mason
S M Cole
J M Rees
J R Coaton
Original Assignee
Thorn Lighting Ltd
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 Thorn Lighting Ltd filed Critical Thorn Lighting Ltd
Publication of SE391836B publication Critical patent/SE391836B/en

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)
  • Chemically Coating (AREA)
  • Chemical Treatment Of Metals (AREA)
SE7400620A 1973-01-19 1974-01-17 ELECTRIC VOLFRAMHALOGEN FLUDE LAMP AND WAY TO PRODUCE THE SAME SE391836B (en)

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
SE391836B true SE391836B (en) 1977-02-28

Family

ID=9749149

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7400620A SE391836B (en) 1973-01-19 1974-01-17 ELECTRIC VOLFRAMHALOGEN FLUDE LAMP AND WAY TO PRODUCE THE SAME

Country Status (14)

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

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
US4256988A (en) * 1977-01-17 1981-03-17 Thorn Lighting Limited Incandescent halogen lamp with protective envelope coating
US4185922A (en) * 1977-01-17 1980-01-29 Thorn Electrical Industries Limited Method of introducing fluorine into a lamp
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 (en) * 1994-03-29 1995-10-05 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure mercury lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL37602C (en) * 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
JPS5818744B2 (en) 1983-04-14
DK140963B (en) 1979-12-10
DE2402136A1 (en) 1974-07-25
NL177538C (en) 1985-10-01
DK140963C (en) 1980-05-27
FR2214969A1 (en) 1974-08-19
IT1003464B (en) 1976-06-10
GB1456242A (en) 1976-11-24
DE2402136C3 (en) 1978-12-07
JPS49104482A (en) 1974-10-03
BE809912A (en) 1974-05-16
AU6468174A (en) 1975-07-24
IE38743B1 (en) 1978-03-29
IE38743L (en) 1974-07-19
ZA74275B (en) 1975-05-28
US3902091A (en) 1975-08-26
DE2402136B2 (en) 1978-04-13
NL177538B (en) 1985-05-01
FR2214969B1 (en) 1977-06-10
NL7400812A (en) 1974-07-23
LU69186A1 (en) 1974-04-08
CA986980A (en) 1976-04-06

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