JPH0186061U - - Google Patents
Info
- Publication number
- JPH0186061U JPH0186061U JP17969187U JP17969187U JPH0186061U JP H0186061 U JPH0186061 U JP H0186061U JP 17969187 U JP17969187 U JP 17969187U JP 17969187 U JP17969187 U JP 17969187U JP H0186061 U JPH0186061 U JP H0186061U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrode shaft
- diameter
- discharge lamp
- distal end
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例である高圧ナトリウ
ムランプ発光管の一部切欠縦断面図、第２図は同
発光管の一端部側の拡大縦断面図、第３図および
第４図はそれぞれ異なる従来ランプ発光管の一端
部側の縦断面図を示す。
１……発光管、２……封着剤、３……閉塞体、
４……金属管、４ａ……金属管の一端開口部、４
ｂ……金属管に設けたねじ溝、５……電極、６…
…電極軸、６ａ……電極軸の先端側、６ｂ……電
極軸の基端側、６ｃ……電極軸のねじ山、８……
段部。
FIG. 1 is a partially cutaway vertical cross-sectional view of a high-pressure sodium lamp arc tube that is an embodiment of the present invention, FIG. 2 is an enlarged vertical cross-sectional view of one end of the same arc tube, and FIGS. 3 and 4 are 1A and 1B are longitudinal cross-sectional views of one end side of different conventional lamp arc tubes, respectively. 1... Arc tube, 2... Sealing agent, 3... Closure body,
4...Metal tube, 4a...One end opening of metal tube, 4
b... Thread groove provided in the metal tube, 5... Electrode, 6...
...Electrode shaft, 6a...Distal end side of the electrode shaft, 6b...Proximal end side of the electrode shaft, 6c...Threaded thread of the electrode shaft, 8...
Danbe.
Claims (1)
閉塞体に支持される金属管の一端に、電極軸を螺
合することによつて電極を固着支持させたセラミ
ツク放電灯において、上記電極軸のねじ部を設け
た基端側の径を、それより先端側の径よりも細く
して、基端側と先端側との境界に段部が形成され
るようにしたことを特徴とするセラミツク放電灯
。 In a ceramic discharge lamp in which an electrode is fixedly supported by screwing an electrode shaft to one end of a metal tube supported by a closing body that seals the open end of the translucent ceramic arc tube, the electrode shaft is The diameter of the proximal end where the threaded portion is provided is made smaller than the diameter of the distal end, so that a stepped portion is formed at the boundary between the proximal end and the distal end. discharge lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17969187U JPH0431731Y2 (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17969187U JPH0431731Y2 (en) | 1987-11-27 | 1987-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0186061U true JPH0186061U (en) | 1989-06-07 |
| JPH0431731Y2 JPH0431731Y2 (en) | 1992-07-30 |
Family
ID=31471237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17969187U Expired JPH0431731Y2 (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431731Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183356A (en) * | 2003-12-17 | 2005-07-07 | General Electric Co <Ge> | Sealing technique for hermetical lamp having uniquely sealed component and lamp |
-
1987
- 1987-11-27 JP JP17969187U patent/JPH0431731Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005183356A (en) * | 2003-12-17 | 2005-07-07 | General Electric Co <Ge> | Sealing technique for hermetical lamp having uniquely sealed component and lamp |
| JP4602691B2 (en) * | 2003-12-17 | 2010-12-22 | ゼネラル・エレクトリック・カンパニイ | Sealing technology for sealed lamps with uniquely sealed components and lamps |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431731Y2 (en) | 1992-07-30 |