BE785860A - Electrode a filament et procede pour la fabrication de celle-ci - Google Patents

Electrode a filament et procede pour la fabrication de celle-ci

Info

Publication number
BE785860A
BE785860A BE785860DA BE785860A BE 785860 A BE785860 A BE 785860A BE 785860D A BE785860D A BE 785860DA BE 785860 A BE785860 A BE 785860A
Authority
BE
Belgium
Prior art keywords
manufacture
same
filament electrode
filament
electrode
Prior art date
Application number
Other languages
English (en)
Inventor
V W Miller
J L Ballard
Original Assignee
Gen Electric
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.)
Publication date
Publication of BE785860A publication Critical patent/BE785860A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
BE785860D 1971-07-06 Electrode a filament et procede pour la fabrication de celle-ci BE785860A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15980171A 1971-07-06 1971-07-06

Publications (1)

Publication Number Publication Date
BE785860A true BE785860A (fr) 1973-01-05

Family

ID=22574082

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785860D BE785860A (fr) 1971-07-06 Electrode a filament et procede pour la fabrication de celle-ci

Country Status (6)

Country Link
US (1) US3736458A (fr)
JP (1) JPS5238353B1 (fr)
AR (1) AR193270A1 (fr)
BE (1) BE785860A (fr)
BR (1) BR7204454D0 (fr)
GB (1) GB1336829A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123442A1 (de) * 1981-06-12 1982-12-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Gluehwendel fuer eine elektrische lampe und verfahren zur herstellung
GB2043331B (en) * 1978-12-26 1982-11-17 Gen Electric Electrode for high pressure metal-vapour lamp
DE19527653A1 (de) * 1995-07-28 1997-01-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrodenwendel für Entladungslampen und Verfahren zur Herstellung einer derartigen Elektrodenwendel
AU2002222635A1 (en) * 2000-12-13 2002-06-24 Hamamatsu Photonics K.K. Indirectly heated electrode for gas discharge tube
WO2002049069A1 (fr) * 2000-12-13 2002-06-20 Hamamatsu Photonics K.K. Electrode a chauffage indirect pour tube a decharge gazeuse
WO2003075317A1 (fr) * 2002-03-05 2003-09-12 Mineta Company Ltd. Filament
US7541726B2 (en) * 2006-05-17 2009-06-02 Osram Sylvania Inc. Lamp filament
KR100783143B1 (ko) 2007-02-05 2007-12-07 삼성광주전자 주식회사 진공청소기용 사이클론 집진장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394474A (en) * 1944-12-28 1946-02-05 Gen Electric Coiled filament or cathode and its manufacture
US3253894A (en) * 1962-01-12 1966-05-31 Westinghouse Electric Corp Composite wire and wire coil adapted for use in fabricating multiply-coiled electrodes
US3294125A (en) * 1963-11-14 1966-12-27 Westinghouse Electric Corp Electrode coil and method

Also Published As

Publication number Publication date
JPS5238353B1 (fr) 1977-09-28
US3736458A (en) 1973-05-29
BR7204454D0 (pt) 1973-06-14
AR193270A1 (es) 1973-04-11
GB1336829A (en) 1973-11-14

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: GENERAL ELECTRIC CY

Effective date: 19920705