JPS55109357A - Structure of conductor at valve sealing part - Google Patents
Structure of conductor at valve sealing partInfo
- Publication number
- JPS55109357A JPS55109357A JP1609779A JP1609779A JPS55109357A JP S55109357 A JPS55109357 A JP S55109357A JP 1609779 A JP1609779 A JP 1609779A JP 1609779 A JP1609779 A JP 1609779A JP S55109357 A JPS55109357 A JP S55109357A
- Authority
- JP
- Japan
- Prior art keywords
- surface part
- welding
- flat surface
- conductor
- round
- 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.)
- Granted
Links
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
PURPOSE: To obtain stable strength of welding by welding a metal foil on the round surface of a leading rod which has a flat surface part on a part of the end circumferential surface and a flat surface part and round surface part on the remaining surface.
CONSTITUTION: The second flat surface part 5 which is opposite to the first flat surface part 2 of a leading rod 1 made of molybdenum etc is formed by the length L4, leaving a prescribed distance L3, and the length L3 of the round surface 3 is limited in a fixed range, into 0.1W1.5mm. Accordingly, even if the values L1 and L4 are made longer as required in relation to spot welding work, at least welding range is limited. The flat surface part 5 described above may be split into two parts. Thus, when foil 4 made of for example molybdenum is welded onto the leadig rod 1, stable strength of welding can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1609779A JPS55109357A (en) | 1979-02-16 | 1979-02-16 | Structure of conductor at valve sealing part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1609779A JPS55109357A (en) | 1979-02-16 | 1979-02-16 | Structure of conductor at valve sealing part |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55109357A true JPS55109357A (en) | 1980-08-22 |
JPS6340354B2 JPS6340354B2 (en) | 1988-08-10 |
Family
ID=11907002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1609779A Granted JPS55109357A (en) | 1979-02-16 | 1979-02-16 | Structure of conductor at valve sealing part |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55109357A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05159744A (en) * | 1991-12-09 | 1993-06-25 | Koito Mfg Co Ltd | Electrode assembly and manufacture thereof for arc tube |
JP2010287359A (en) * | 2009-06-10 | 2010-12-24 | Ushio Inc | High-pressure discharge lamp |
JP2011034758A (en) * | 2009-07-31 | 2011-02-17 | Ushio Inc | High-pressure discharge lamp |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003323847A (en) | 2002-05-07 | 2003-11-14 | Koito Mfg Co Ltd | Arc tube and its manufacturing method |
-
1979
- 1979-02-16 JP JP1609779A patent/JPS55109357A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05159744A (en) * | 1991-12-09 | 1993-06-25 | Koito Mfg Co Ltd | Electrode assembly and manufacture thereof for arc tube |
JP2010287359A (en) * | 2009-06-10 | 2010-12-24 | Ushio Inc | High-pressure discharge lamp |
JP2011034758A (en) * | 2009-07-31 | 2011-02-17 | Ushio Inc | High-pressure discharge lamp |
Also Published As
Publication number | Publication date |
---|---|
JPS6340354B2 (en) | 1988-08-10 |
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