BR7204454D0 - Aperfeicoamento em eletrodo de filamento de fabricacao do mesmo - Google Patents
Aperfeicoamento em eletrodo de filamento de fabricacao do mesmoInfo
- 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
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
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)
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 |
CN1266734C (zh) * | 2000-12-13 | 2006-07-26 | 浜松光子学株式会社 | 气体放电管用旁热型电极 |
AU2002221136A1 (en) * | 2000-12-13 | 2002-06-24 | Hamamatsu Photonics K.K. | Indirectly heated electrode for gas discharge tube, gas discharge tube with this, and its operating device |
CA2474797A1 (en) * | 2002-03-05 | 2003-09-12 | Mineta Company Ltd. | Coil 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)
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 |
-
0
- BE BE785860D patent/BE785860A/xx not_active IP Right Cessation
-
1971
- 1971-07-06 US US00159801A patent/US3736458A/en not_active Expired - Lifetime
-
1972
- 1972-06-02 GB GB2590072A patent/GB1336829A/en not_active Expired
- 1972-06-26 AR AR242750A patent/AR193270A1/es active
- 1972-07-06 JP JP47067152A patent/JPS5238353B1/ja active Pending
- 1972-07-06 BR BR4454/72A patent/BR7204454D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
AR193270A1 (es) | 1973-04-11 |
JPS5238353B1 (pt) | 1977-09-28 |
US3736458A (en) | 1973-05-29 |
BE785860A (fr) | 1973-01-05 |
GB1336829A (en) | 1973-11-14 |
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