GB504893A - Improvements in or relating to electric incandescent lamps - Google Patents
Improvements in or relating to electric incandescent lampsInfo
- Publication number
- GB504893A GB504893A GB28593/38A GB2859338A GB504893A GB 504893 A GB504893 A GB 504893A GB 28593/38 A GB28593/38 A GB 28593/38A GB 2859338 A GB2859338 A GB 2859338A GB 504893 A GB504893 A GB 504893A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bulb
- pressure
- excess
- gas
- diameter
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 239000007789 gas Substances 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 230000009172 bursting Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/34—Double wall vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL205006X | 1937-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB504893A true GB504893A (en) | 1939-05-02 |
Family
ID=19778509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28593/38A Expired GB504893A (en) | 1937-10-04 | 1938-10-01 | Improvements in or relating to electric incandescent lamps |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE430474A (enrdf_load_stackoverflow) |
| CH (1) | CH205006A (enrdf_load_stackoverflow) |
| FR (1) | FR844304A (enrdf_load_stackoverflow) |
| GB (1) | GB504893A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2135820A (en) * | 1983-02-25 | 1984-09-05 | Gte Prod Corp | Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio |
-
0
- BE BE430474D patent/BE430474A/xx unknown
-
1938
- 1938-10-01 GB GB28593/38A patent/GB504893A/en not_active Expired
- 1938-10-03 CH CH205006D patent/CH205006A/de unknown
- 1938-10-04 FR FR844304D patent/FR844304A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2135820A (en) * | 1983-02-25 | 1984-09-05 | Gte Prod Corp | Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| FR844304A (fr) | 1939-07-24 |
| BE430474A (enrdf_load_stackoverflow) | |
| CH205006A (de) | 1939-05-31 |
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