GB634443A - Improvements in and relating to seals for electric discharge devices - Google Patents
Improvements in and relating to seals for electric discharge devicesInfo
- Publication number
- GB634443A GB634443A GB3486146A GB3486146A GB634443A GB 634443 A GB634443 A GB 634443A GB 3486146 A GB3486146 A GB 3486146A GB 3486146 A GB3486146 A GB 3486146A GB 634443 A GB634443 A GB 634443A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- vitreous
- seals
- relating
- conductors
- 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
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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
- H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Seal Device For Vehicle (AREA)
Abstract
634,443. Quartz-metal seals. GENERAL ELECTRIC CO., Ltd., and PEARCE, A. G. Nov. 25, 1946, No. 34861. [Class 36] Two or more mutually insulated conductors 12, 13 are sealed through an envelope by passing all but one of them through different vitreous tubes 14 and then passing each of these tubes and the remaining conductor through an outer vitreous tube 15 and then collapsing all the tubes to form a vacuum-tight seal. The tube 15 is sealed at 'one end 15a and evacuated so that when heated the vitreous tubes collapse on to the wires to form a vacuum-tight seal. The end 15a is then removed to expose the ends of the conductors. If desired all the conductors may be initially inserted in vitreous tubes. Specification 628,254 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3486146A GB634443A (en) | 1946-11-25 | 1946-11-25 | Improvements in and relating to seals for electric discharge devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3486146A GB634443A (en) | 1946-11-25 | 1946-11-25 | Improvements in and relating to seals for electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB634443A true GB634443A (en) | 1950-03-22 |
Family
ID=10370811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3486146A Expired GB634443A (en) | 1946-11-25 | 1946-11-25 | Improvements in and relating to seals for electric discharge devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB634443A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2625607A1 (en) * | 1988-01-04 | 1989-07-07 | Dumas Pierre Alain | Fluorescent lamp bulb having a tubular base and inverted electrodes |
EP0406499A1 (en) * | 1989-07-06 | 1991-01-09 | Pierre Alain Dumas | Fluorescent bulb having a tubular base with electrodes turned upside down |
-
1946
- 1946-11-25 GB GB3486146A patent/GB634443A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2625607A1 (en) * | 1988-01-04 | 1989-07-07 | Dumas Pierre Alain | Fluorescent lamp bulb having a tubular base and inverted electrodes |
EP0406499A1 (en) * | 1989-07-06 | 1991-01-09 | Pierre Alain Dumas | Fluorescent bulb having a tubular base with electrodes turned upside down |
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