GB777867A - Improvements in and relating to screening cans for thermionic valves - Google Patents
Improvements in and relating to screening cans for thermionic valvesInfo
- Publication number
- GB777867A GB777867A GB3589254A GB3589254A GB777867A GB 777867 A GB777867 A GB 777867A GB 3589254 A GB3589254 A GB 3589254A GB 3589254 A GB3589254 A GB 3589254A GB 777867 A GB777867 A GB 777867A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panels
- screening
- socket
- screw thread
- air circulation
- 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
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/12—Double-wall vessels or containers
Landscapes
- Check Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
777,867. Screening thermionic valves. CARR FASTENER CO., Ltd. Nov. 7, 1955 [Dec. 10, 1954], No. 35892/54. Class 39(1). [Also in Group XL(c)] A screening can for a thermionic valve has a tubular metal shell 1 with a screw thread 2 for cooperative engagement with a socket or mounting member 9, Fig. 2, the shell wall being formed with resilient panels 6 having an opening along at least one edge to permit air circulation, the panels being flexed inwardly to engage resiliently the envelope of the valve to be screened. The panels may be bounded by single slots or by pairs of adjacent slots and may be axial or run circumferentially around the can. The socket 9 has embossments 11 in a helical path to engage the screw thread 2 and may also have openings 12 to facilitate air circulation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3589254A GB777867A (en) | 1954-12-10 | 1954-12-10 | Improvements in and relating to screening cans for thermionic valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3589254A GB777867A (en) | 1954-12-10 | 1954-12-10 | Improvements in and relating to screening cans for thermionic valves |
Publications (1)
Publication Number | Publication Date |
---|---|
GB777867A true GB777867A (en) | 1957-06-26 |
Family
ID=10382695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3589254A Expired GB777867A (en) | 1954-12-10 | 1954-12-10 | Improvements in and relating to screening cans for thermionic valves |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB777867A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0066783A2 (en) * | 1981-06-03 | 1982-12-15 | GTE Products Corporation | Arc discharge lamp |
-
1954
- 1954-12-10 GB GB3589254A patent/GB777867A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0066783A2 (en) * | 1981-06-03 | 1982-12-15 | GTE Products Corporation | Arc discharge lamp |
EP0066783A3 (en) * | 1981-06-03 | 1983-07-13 | Gte Products Corporation | Discharge lamp with mount providing self centering and thermal expansion compensation |
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