EP0271877A3 - Improved in-lead for sodium and metal-halide lamps - Google Patents
Improved in-lead for sodium and metal-halide lamps Download PDFInfo
- Publication number
- EP0271877A3 EP0271877A3 EP87118580A EP87118580A EP0271877A3 EP 0271877 A3 EP0271877 A3 EP 0271877A3 EP 87118580 A EP87118580 A EP 87118580A EP 87118580 A EP87118580 A EP 87118580A EP 0271877 A3 EP0271877 A3 EP 0271877A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- arc tube
- inlead
- sealing glass
- sodium
- lead
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
- H01J61/366—Seals for leading-in conductors
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
In an arc tube (40) of a high-pressure discharge lamp,
there is provided an inlead member (46) disposed in an end
aperture (44) of the arc tube. A coiled wire (60) is disposed
about the inlead member forming a gasket between the
inlead member and the arc tube at the arc tube end
aperture. A sealing glass (56) is provided for sealing
between the inlead member and the arc tube end wall.
The sealing glass is blocked by the coiled wire so that
the sealing glass is not exposed to the constituents
within the arc tube, whereby deleterious chemical
reactions between the contituents of the arc tube fill
and the sealing glass are avoided. In some
embodiments, the coil wire also protects the inlead
from chemical attack by the fill constituents.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94144286A | 1986-12-15 | 1986-12-15 | |
US941442 | 1986-12-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0271877A2 EP0271877A2 (en) | 1988-06-22 |
EP0271877A3 true EP0271877A3 (en) | 1990-07-04 |
Family
ID=25476467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87118580A Withdrawn EP0271877A3 (en) | 1986-12-15 | 1987-12-15 | Improved in-lead for sodium and metal-halide lamps |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0271877A3 (en) |
JP (1) | JPS63160147A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9012200U1 (en) * | 1990-08-24 | 1991-12-19 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | High pressure discharge lamp |
DE9207816U1 (en) * | 1992-06-10 | 1992-08-20 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | High pressure discharge lamp |
DE4327535A1 (en) * | 1993-08-16 | 1995-02-23 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | High-pressure discharge lamp with ceramic discharge tube |
JP3853994B2 (en) * | 1997-12-24 | 2006-12-06 | 日本碍子株式会社 | High pressure discharge lamp |
US6169366B1 (en) | 1997-12-24 | 2001-01-02 | Ngk Insulators, Ltd. | High pressure discharge lamp |
JP2000228170A (en) * | 1998-12-04 | 2000-08-15 | Toshiba Lighting & Technology Corp | High pressure discharge lamp, high pressure discharge lamp device, high pressure discharge lamp lighting device and lighting system |
US7615929B2 (en) * | 2005-06-30 | 2009-11-10 | General Electric Company | Ceramic lamps and methods of making same |
CN101980353B (en) * | 2010-10-14 | 2013-04-17 | 杨潮平 | Co-firing sealing high-efficiency ceramic lamp and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560903A (en) * | 1982-02-26 | 1985-12-24 | U.S. Philips Corporation | High pressure discharge lamp |
SU1224856A1 (en) * | 1984-09-26 | 1986-04-15 | Предприятие П/Я А-3609 | Electrode unit of gaseous-discharge lamp |
-
1987
- 1987-12-14 JP JP31432087A patent/JPS63160147A/en active Pending
- 1987-12-15 EP EP87118580A patent/EP0271877A3/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560903A (en) * | 1982-02-26 | 1985-12-24 | U.S. Philips Corporation | High pressure discharge lamp |
SU1224856A1 (en) * | 1984-09-26 | 1986-04-15 | Предприятие П/Я А-3609 | Electrode unit of gaseous-discharge lamp |
Also Published As
Publication number | Publication date |
---|---|
EP0271877A2 (en) | 1988-06-22 |
JPS63160147A (en) | 1988-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19871215 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE DE FR GB NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE DE FR GB NL |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19900703 |