CA986980A - Incandescent lamp - Google Patents

Incandescent lamp

Info

Publication number
CA986980A
CA986980A CA190,139A CA190139A CA986980A CA 986980 A CA986980 A CA 986980A CA 190139 A CA190139 A CA 190139A CA 986980 A CA986980 A CA 986980A
Authority
CA
Canada
Prior art keywords
incandescent lamp
incandescent
lamp
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
CA190,139A
Other versions
CA190139S (en
Inventor
David R. Mason
Susan M. Cole
James R. Coaton
John M. Rees
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.)
Thorn Lighting Ltd
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
Application granted granted Critical
Publication of CA986980A publication Critical patent/CA986980A/en
Expired legal-status Critical Current

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)
CA190,139A 1973-01-19 1974-01-15 Incandescent lamp Expired CA986980A (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
CA986980A true CA986980A (en) 1976-04-06

Family

ID=9749149

Family Applications (1)

Application Number Title Priority Date Filing Date
CA190,139A Expired CA986980A (en) 1973-01-19 1974-01-15 Incandescent lamp

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
SE391836B (en) 1977-02-28
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

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