BR7204454D0 - Aperfeicoamento em eletrodo de filamento de fabricacao do mesmo - Google Patents

Aperfeicoamento em eletrodo de filamento de fabricacao do mesmo

Info

Publication number
BR7204454D0
BR7204454D0 BR4454/72A BR445472A BR7204454D0 BR 7204454 D0 BR7204454 D0 BR 7204454D0 BR 4454/72 A BR4454/72 A BR 4454/72A BR 445472 A BR445472 A BR 445472A BR 7204454 D0 BR7204454 D0 BR 7204454D0
Authority
BR
Brazil
Prior art keywords
perfecting
same
film electrode
electrode manufacturing
manufacturing
Prior art date
Application number
BR4454/72A
Other languages
English (en)
Inventor
V Miller
J 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.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of BR7204454D0 publication Critical patent/BR7204454D0/pt

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)
BR4454/72A 1971-07-06 1972-07-06 Aperfeicoamento em eletrodo de filamento de fabricacao do mesmo BR7204454D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7204454D0 true BR7204454D0 (pt) 1973-06-14

Family

ID=22574082

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4454/72A BR7204454D0 (pt) 1971-07-06 1972-07-06 Aperfeicoamento em eletrodo de filamento de fabricacao do mesmo

Country Status (6)

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

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
EP1351274A4 (en) * 2000-12-13 2008-01-09 Hamamatsu Photonics Kk INDIRECTLY HEATED ELECTRODE FOR A GAS DISCHARGE TUBE, GAS DISCHARGE TUBES THEREFOR AND ITS OPERATING DEVICE
WO2002049071A1 (en) * 2000-12-13 2002-06-20 Hamamatsu Photonics K.K. Indirectly heated electrode for gas discharge tube
KR20040090948A (ko) * 2002-03-05 2004-10-27 가부시키가이샤 미네타 세이사쿠쇼 코일 필라멘트
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
AR193270A1 (es) 1973-04-11
US3736458A (en) 1973-05-29
BE785860A (fr) 1973-01-05
GB1336829A (en) 1973-11-14
JPS5238353B1 (pt) 1977-09-28

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