CA975420A - Method of manufacturing an electric incandescent lamp having a longer lifetime and/or a higher light output - Google Patents

Method of manufacturing an electric incandescent lamp having a longer lifetime and/or a higher light output

Info

Publication number
CA975420A
CA975420A CA174,514A CA174514A CA975420A CA 975420 A CA975420 A CA 975420A CA 174514 A CA174514 A CA 174514A CA 975420 A CA975420 A CA 975420A
Authority
CA
Canada
Prior art keywords
manufacturing
light output
incandescent lamp
higher light
longer lifetime
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
CA174,514A
Other languages
English (en)
Other versions
CA174514S (en
Inventor
Erhard Kauer
Johann Schroder
Horst Horster
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA975420A publication Critical patent/CA975420A/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
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
CA174,514A 1972-06-28 1973-06-20 Method of manufacturing an electric incandescent lamp having a longer lifetime and/or a higher light output Expired CA975420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2231520A DE2231520A1 (de) 1972-06-28 1972-06-28 Verfahren zur herstellung einer elektrischen gluehlampe mit verlaengerter lebensdauer und/oder erhoehter lichtausbeute

Publications (1)

Publication Number Publication Date
CA975420A true CA975420A (en) 1975-09-30

Family

ID=5848989

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,514A Expired CA975420A (en) 1972-06-28 1973-06-20 Method of manufacturing an electric incandescent lamp having a longer lifetime and/or a higher light output

Country Status (11)

Country Link
US (1) US3868159A (en:Method)
JP (1) JPS4957683A (en:Method)
AU (1) AU5723573A (en:Method)
BE (1) BE801466A (en:Method)
CA (1) CA975420A (en:Method)
DE (1) DE2231520A1 (en:Method)
FR (1) FR2191265B1 (en:Method)
GB (1) GB1431575A (en:Method)
IT (1) IT989449B (en:Method)
NL (1) NL7308786A (en:Method)
SE (1) SE381953B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535269A (en) * 1983-08-01 1985-08-13 General Electric Company Incandescent lamp
DE4343989C2 (de) * 1993-12-22 2002-12-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Halogenglühlampe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4826632B1 (en:Method) * 1968-12-27 1973-08-13
US3759602A (en) * 1971-08-30 1973-09-18 Gen Electric Inhibiting d-c notching effect in incandescent lamp filaments

Also Published As

Publication number Publication date
JPS4957683A (en:Method) 1974-06-04
AU5723573A (en) 1975-01-09
GB1431575A (en) 1976-04-07
IT989449B (it) 1975-05-20
SE381953B (sv) 1975-12-22
BE801466A (fr) 1973-12-26
FR2191265B1 (en:Method) 1977-12-23
NL7308786A (en:Method) 1974-01-02
FR2191265A1 (en:Method) 1974-02-01
DE2231520A1 (de) 1974-01-17
US3868159A (en) 1975-02-25

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