GB498617A - Improvements in and relating to the leading-in wires of high pressure electric discharge lamps - Google Patents
Improvements in and relating to the leading-in wires of high pressure electric discharge lampsInfo
- Publication number
- GB498617A GB498617A GB2685237A GB2685237A GB498617A GB 498617 A GB498617 A GB 498617A GB 2685237 A GB2685237 A GB 2685237A GB 2685237 A GB2685237 A GB 2685237A GB 498617 A GB498617 A GB 498617A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leading
- high pressure
- bead
- electric discharge
- discharge lamps
- 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
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
498,617. Discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd., DAVIES, L. J., BOURNE, H. K., and CHENEY, H. Oct. 4, 1937, No. 26852. [Class 39 (i)] In a high pressure electric discharge lamp the junction between the leading-in conductor and the electrode or electrode support is coated with a glass bead or sleeve. In the form shown, the leading-in wire 1 of small diameter is surrounded by a bead of glass 2 where it is sealed into the envelope, making a vacuum-tight joint. The electrode or electrode support 3 is of larger diameter than the leading-in wire and the junction between the two is covered and supported by a glass bead or sleeve 4, which may be a continuation of the bead 2 and may also be joined to the envelope. The member 4 need not be in fused contact with the parts which it encloses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2685237A GB498617A (en) | 1937-10-04 | 1937-10-04 | Improvements in and relating to the leading-in wires of high pressure electric discharge lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2685237A GB498617A (en) | 1937-10-04 | 1937-10-04 | Improvements in and relating to the leading-in wires of high pressure electric discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB498617A true GB498617A (en) | 1939-01-11 |
Family
ID=10250271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2685237A Expired GB498617A (en) | 1937-10-04 | 1937-10-04 | Improvements in and relating to the leading-in wires of high pressure electric discharge lamps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB498617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1598845A2 (en) * | 2004-05-19 | 2005-11-23 | Heraeus Noblelight Ltd. | Quartz glass lamp and method for forming a quartz glass lamp |
-
1937
- 1937-10-04 GB GB2685237A patent/GB498617A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1598845A2 (en) * | 2004-05-19 | 2005-11-23 | Heraeus Noblelight Ltd. | Quartz glass lamp and method for forming a quartz glass lamp |
| EP1598845A3 (en) * | 2004-05-19 | 2006-03-01 | Heraeus Noblelight Ltd. | Quartz glass lamp and method for forming a quartz glass lamp |
| US7892060B2 (en) | 2004-05-19 | 2011-02-22 | Heraeus Noblelight Ltd. | Quartz glass lamp and method for forming a quartz glass lamp |
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