GB434720A - Improvements in and relating to electric discharge lamps - Google Patents
Improvements in and relating to electric discharge lampsInfo
- Publication number
- GB434720A GB434720A GB67434A GB67434A GB434720A GB 434720 A GB434720 A GB 434720A GB 67434 A GB67434 A GB 67434A GB 67434 A GB67434 A GB 67434A GB 434720 A GB434720 A GB 434720A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bulb
- bent
- supports
- bulbs
- wires
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
434,720. Discharge lamps. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London, SCOTT, W. J., 16, Oval Road, Hillmorton Paddox, BRETT, J. G., 15, Acacia Grove, and FENWICK, C. E., 10, Bilton Road, all in Rugby. Jan. 8, 1934, Nos. 674 and 819. [Class 39 (i)] The space between the outer and inner bulbs of a lamp contains a support for the inner bulb consisting of a band or hoop of resilient wire bent so as to engage the inner and outer bulbs alternately. Two supports may consist of zig-zag wires formed into rings, and they may be arranged so as to make contact with the inner bulb along a uni-potential surface and float freely electrically, thus taking up the local bulb potential and eliminating electrolytic action between the glass and the metal. Porcelain beads may be threaded on the wires at points where they touch the inner bulb. In another form, Fig. 4, the supports 5 comprise zig-zag wires bent into annuli, their inner tips making contact with the inner bulb 1 whilst their outer tips 5b are bent alternately in opposite directions out of the plane of the annulus and touching the outer bulb 2. Reference has been directed by the Comptroller to Specification 415,570.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB67434A GB434720A (en) | 1934-01-08 | 1934-01-08 | Improvements in and relating to electric discharge lamps |
FR783718D FR783718A (en) | 1934-01-08 | 1935-01-07 | Improvements to discharge tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB67434A GB434720A (en) | 1934-01-08 | 1934-01-08 | Improvements in and relating to electric discharge lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB434720A true GB434720A (en) | 1935-09-09 |
Family
ID=9708537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB67434A Expired GB434720A (en) | 1934-01-08 | 1934-01-08 | Improvements in and relating to electric discharge lamps |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR783718A (en) |
GB (1) | GB434720A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5001384A (en) * | 1988-03-25 | 1991-03-19 | U.S. Philips Corporation | Electric gas discharge lamp including an outer envelope and supporting frame |
-
1934
- 1934-01-08 GB GB67434A patent/GB434720A/en not_active Expired
-
1935
- 1935-01-07 FR FR783718D patent/FR783718A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR783718A (en) | 1935-07-18 |
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