GB695316A - Improvements in or relating to quartz to metal pinch seals - Google Patents
Improvements in or relating to quartz to metal pinch sealsInfo
- Publication number
- GB695316A GB695316A GB679951A GB679951A GB695316A GB 695316 A GB695316 A GB 695316A GB 679951 A GB679951 A GB 679951A GB 679951 A GB679951 A GB 679951A GB 695316 A GB695316 A GB 695316A
- Authority
- GB
- United Kingdom
- Prior art keywords
- quartz
- grooves
- strips
- metal
- jaws
- 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
695,316. Quartz-metal seals. GENERAL ELECTRIC CO., Ltd., and POWER, E. B. March 17, 1952 [March 21, 1951], No. 6799/51. Class 36. In making a quartz-metal seal of the kind wherein at least one thin strip of metal is supported within a quartz tube which is softened and pinched on to the metal by a pair of opposed jaws, the face of each of the jaws is formed with one or more recesses at or adjacent to that part which lies over the metal strip during the sealing operation. Electrode leads 1, 6 are welded to the ends of thin sealing strips 2, 8 which at their other ends are welded to stout conductors 3, 9, which are supported in the conical head of a jig-block 4, a quartz tube 11 being placed over the assembly. Pinch jaws approach the assembly at right-angles to the plane of strips 2, 3. The face of each block 13 is formed with a part-spherical recess 15 which co-operate to form a curved end to the tube 11, and each face has four longitudinal grooves, 16-19, and two transverse grooves 20, 21. Grooves 17, 18 lie over strips 2, 8, and grooves 20, 21 lie over the welded junctions of the strips. The lower end of tube 11 is softened with oxyhydrogen flames and the jaws firmly closed. Grooves 17, 18, 20 and 21 protect the strips 2, 8, and the welded junctions and grooves 16, 19 control the flow of quartz at the edge of the pinch. Quartz enters these grooves to produce ridges 22-27 in the completed seal (Fig. 2).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6918541.A NL168250B (en) | 1951-03-21 | PROCESS FOR PREPARING NON-Aqueous PREPARATIONS SUITABLE FOR PREPARING WATER CONTAINING DYE LIQUIDS AND PROCEDURE FOR DYEING OR PRINTING MATERIALS UNDER APPLICATION OF THE PREPARATIONS OBTAINED. | |
| NL82406D NL82406C (en) | 1951-03-21 | ||
| GB679951A GB695316A (en) | 1951-03-21 | 1951-03-21 | Improvements in or relating to quartz to metal pinch seals |
| FR1052585D FR1052585A (en) | 1951-03-21 | 1952-03-19 | Quartz seals on metal |
| DEG8430A DE955808C (en) | 1951-03-21 | 1952-03-19 | Method and device for the production of a melting point of metal in quartz, in particular for a high pressure metal vapor discharge lamp with quartz bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB679951A GB695316A (en) | 1951-03-21 | 1951-03-21 | Improvements in or relating to quartz to metal pinch seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB695316A true GB695316A (en) | 1953-08-05 |
Family
ID=9820976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB679951A Expired GB695316A (en) | 1951-03-21 | 1951-03-21 | Improvements in or relating to quartz to metal pinch seals |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE955808C (en) |
| FR (1) | FR1052585A (en) |
| GB (1) | GB695316A (en) |
| NL (2) | NL168250B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507380U (en) * | 1973-05-16 | 1975-01-25 | ||
| JPS50150172U (en) * | 1974-05-29 | 1975-12-13 | ||
| GB2424992A (en) * | 2005-04-07 | 2006-10-11 | Gen Electric | Lamp capsule pinch seal and method of making such a seal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2464559A1 (en) * | 1979-08-31 | 1981-03-06 | Gte Prod Corp | ARC TUBE FOR HALIDE METAL DISCHARGE LAMP HAVING IMPROVED COLOR UNIFORMITY |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE819432C (en) * | 1949-11-01 | 1951-10-31 | Quarzlampen Gmbh | Device for the vacuum-tight melting of molybdenum foils in quartz |
-
0
- NL NL82406D patent/NL82406C/xx active
- NL NL6918541.A patent/NL168250B/en unknown
-
1951
- 1951-03-21 GB GB679951A patent/GB695316A/en not_active Expired
-
1952
- 1952-03-19 FR FR1052585D patent/FR1052585A/en not_active Expired
- 1952-03-19 DE DEG8430A patent/DE955808C/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507380U (en) * | 1973-05-16 | 1975-01-25 | ||
| JPS50150172U (en) * | 1974-05-29 | 1975-12-13 | ||
| GB2424992A (en) * | 2005-04-07 | 2006-10-11 | Gen Electric | Lamp capsule pinch seal and method of making such a seal |
| GB2424992B (en) * | 2005-04-07 | 2009-04-01 | Gen Electric | Lamp capsule pinch seal and method of making such a seal |
Also Published As
| Publication number | Publication date |
|---|---|
| DE955808C (en) | 1957-01-10 |
| FR1052585A (en) | 1954-01-26 |
| NL168250B (en) | |
| NL82406C (en) |
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