JPS5818744B2 - ハクネツデンキユウ オヨビ ソノセイゾウホウホウ - Google Patents

ハクネツデンキユウ オヨビ ソノセイゾウホウホウ

Info

Publication number
JPS5818744B2
JPS5818744B2 JP49008913A JP891374A JPS5818744B2 JP S5818744 B2 JPS5818744 B2 JP S5818744B2 JP 49008913 A JP49008913 A JP 49008913A JP 891374 A JP891374 A JP 891374A JP S5818744 B2 JPS5818744 B2 JP S5818744B2
Authority
JP
Japan
Prior art keywords
tungsten
coating
outer envelope
filament
bulb
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
JP49008913A
Other languages
English (en)
Japanese (ja)
Other versions
JPS49104482A (da
Inventor
ジエイムズ・リチヤード・コウトン
ジヨン・マイケル・リーズ
スーザン・マーガレツト・コウル
デイビツド・ロバート・メイソン
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.)
SOON RAITEINGU Ltd
Original Assignee
SOON RAITEINGU 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 SOON RAITEINGU Ltd filed Critical SOON RAITEINGU Ltd
Publication of JPS49104482A publication Critical patent/JPS49104482A/ja
Publication of JPS5818744B2 publication Critical patent/JPS5818744B2/ja
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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Paper (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
JP49008913A 1973-01-19 1974-01-19 ハクネツデンキユウ オヨビ ソノセイゾウホウホウ Expired JPS5818744B2 (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS49104482A JPS49104482A (da) 1974-10-03
JPS5818744B2 true JPS5818744B2 (ja) 1983-04-14

Family

ID=9749149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49008913A Expired JPS5818744B2 (ja) 1973-01-19 1974-01-19 ハクネツデンキユウ オヨビ ソノセイゾウホウホウ

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
FR2214969B1 (da) 1977-06-10
DK140963B (da) 1979-12-10
IE38743L (en) 1974-07-19
NL177538B (nl) 1985-05-01
JPS49104482A (da) 1974-10-03
DK140963C (da) 1980-05-27
LU69186A1 (da) 1974-04-08
DE2402136B2 (de) 1978-04-13
GB1456242A (en) 1976-11-24
US3902091A (en) 1975-08-26
FR2214969A1 (da) 1974-08-19
NL7400812A (da) 1974-07-23
CA986980A (en) 1976-04-06
ZA74275B (en) 1975-05-28
BE809912A (fr) 1974-05-16
IT1003464B (it) 1976-06-10
IE38743B1 (en) 1978-03-29
DE2402136C3 (de) 1978-12-07
NL177538C (nl) 1985-10-01
DE2402136A1 (de) 1974-07-25

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