JPS5457376A - High-pressure metal vapor discharge lamp - Google Patents
High-pressure metal vapor discharge lampInfo
- Publication number
- JPS5457376A JPS5457376A JP12346777A JP12346777A JPS5457376A JP S5457376 A JPS5457376 A JP S5457376A JP 12346777 A JP12346777 A JP 12346777A JP 12346777 A JP12346777 A JP 12346777A JP S5457376 A JPS5457376 A JP S5457376A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- tube
- pressure
- lamp
- vapor discharge
- 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.)
- Pending
Links
Abstract
PURPOSE: To manufacture a high-pressure metal vapor discharge lamp by use of a heat-resisting metal tube that is closed at one end, thereby simplifying manufacture of the discharge lamp, attaining complete air-tightness, and facilitating control of the vapor pressure of material sealed in the lamp.
CONSTITUTION: Heat-resisting tube 1 is closed at one end and opened at the other end, and cuts 14 are formed on opposite sides of the metal tube 12 at a portion thereof near the opening end. Then, electrode 2 is attached to end portion 13 with application of pressure, and a hole 15 communicated to the inside of the metal tube 12 is formed in the cuts 14. Simultaneously with attaching end cap 3 to arc tube 1 in air-tight manner, required substances are sealed into the arc tube 1, whereby manufacturing of the lamp is completed
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12346777A JPS5457376A (en) | 1977-10-17 | 1977-10-17 | High-pressure metal vapor discharge lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12346777A JPS5457376A (en) | 1977-10-17 | 1977-10-17 | High-pressure metal vapor discharge lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5457376A true JPS5457376A (en) | 1979-05-09 |
Family
ID=14861343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12346777A Pending JPS5457376A (en) | 1977-10-17 | 1977-10-17 | High-pressure metal vapor discharge lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5457376A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182359U (en) * | 1982-05-31 | 1983-12-05 | 岩崎電気株式会社 | high pressure sodium lamp |
US4827190A (en) * | 1985-11-28 | 1989-05-02 | Iwasaki Electric Co., Ltd. | Metal vapor discharge lamp and method of producing the same |
US4975620A (en) * | 1985-11-28 | 1990-12-04 | Iwasaki Electric Co., Ltd. | Metal vapor discharge lamp and method of producing the same |
WO1991009417A1 (en) * | 1989-12-14 | 1991-06-27 | Gte Products Corporation | Electrode feedthrough tube for arc discharge lamp |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4814950U (en) * | 1971-06-30 | 1973-02-20 | ||
JPS49126190A (en) * | 1973-03-08 | 1974-12-03 | ||
JPS5019870A (en) * | 1973-06-21 | 1975-03-03 |
-
1977
- 1977-10-17 JP JP12346777A patent/JPS5457376A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4814950U (en) * | 1971-06-30 | 1973-02-20 | ||
JPS49126190A (en) * | 1973-03-08 | 1974-12-03 | ||
JPS5019870A (en) * | 1973-06-21 | 1975-03-03 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182359U (en) * | 1982-05-31 | 1983-12-05 | 岩崎電気株式会社 | high pressure sodium lamp |
US4827190A (en) * | 1985-11-28 | 1989-05-02 | Iwasaki Electric Co., Ltd. | Metal vapor discharge lamp and method of producing the same |
US4975620A (en) * | 1985-11-28 | 1990-12-04 | Iwasaki Electric Co., Ltd. | Metal vapor discharge lamp and method of producing the same |
WO1991009417A1 (en) * | 1989-12-14 | 1991-06-27 | Gte Products Corporation | Electrode feedthrough tube for arc discharge lamp |
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