BE693505A - - Google Patents
Info
- Publication number
- BE693505A BE693505A BE693505DA BE693505A BE 693505 A BE693505 A BE 693505A BE 693505D A BE693505D A BE 693505DA BE 693505 A BE693505 A BE 693505A
- Authority
- BE
- Belgium
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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR57986A FR1489755A (fr) | 1966-04-18 | 1966-04-18 | Procédé pour le traitement carburant d'une électrode à l'oxyde de thorium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693505A true BE693505A (es) | 1967-08-01 |
Family
ID=8606469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693505D BE693505A (es) | 1966-04-18 | 1967-02-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3510190A (es) |
| BE (1) | BE693505A (es) |
| CH (1) | CH460186A (es) |
| FR (1) | FR1489755A (es) |
| GB (1) | GB1166927A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3846006A (en) * | 1972-02-24 | 1974-11-05 | Picker Corp | Method of manufacturing of x-ray tube having thoriated tungsten filament |
| US5001397A (en) * | 1985-07-17 | 1991-03-19 | U.S. Philips Corporation | High-pressure gas discharge lamp having electrodes with coil layers having interlocking turns |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704981A (en) * | 1927-08-26 | 1929-03-12 | Lebrun Paul Francois Joseph | Method of preparing luminescent tubes |
| US2401040A (en) * | 1942-10-05 | 1946-05-28 | Eitel Mccullough Inc | Method of making electronic tubes |
| US2324559A (en) * | 1943-04-05 | 1943-07-20 | Machlett Lab Inc | Manufacture of vacuum apparatus |
| US2591474A (en) * | 1950-05-26 | 1952-04-01 | Raytheon Mfg Co | Cold cathode discharge device |
-
1966
- 1966-04-18 FR FR57986A patent/FR1489755A/fr not_active Expired
-
1967
- 1967-01-30 US US612506A patent/US3510190A/en not_active Expired - Lifetime
- 1967-02-01 BE BE693505D patent/BE693505A/xx not_active IP Right Cessation
- 1967-04-06 CH CH486267A patent/CH460186A/fr unknown
- 1967-04-14 GB GB07360/67A patent/GB1166927A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1489755A (fr) | 1967-07-28 |
| DE1589111A1 (de) | 1970-03-19 |
| DE1589111B2 (de) | 1975-10-30 |
| GB1166927A (en) | 1969-10-15 |
| US3510190A (en) | 1970-05-05 |
| CH460186A (fr) | 1968-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: CLAUDE PAZ ET VISSEAUX Effective date: 19840201 |