GB512791A - Improvements in or relating to gas-filled incandescent electric lamps - Google Patents
Improvements in or relating to gas-filled incandescent electric lampsInfo
- Publication number
- GB512791A GB512791A GB8018/38A GB801838A GB512791A GB 512791 A GB512791 A GB 512791A GB 8018/38 A GB8018/38 A GB 8018/38A GB 801838 A GB801838 A GB 801838A GB 512791 A GB512791 A GB 512791A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bulb
- per cent
- lamp
- glass
- filled
- 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 2
- 239000011521 glass Substances 0.000 abstract 2
- 229910052724 xenon Inorganic materials 0.000 abstract 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 239000012809 cooling fluid Substances 0.000 abstract 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000011022 opal Substances 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 239000005315 stained glass Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
-
- 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)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH512791X | 1938-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB512791A true GB512791A (en) | 1939-09-26 |
Family
ID=4517538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8018/38A Expired GB512791A (en) | 1938-01-27 | 1938-03-15 | Improvements in or relating to gas-filled incandescent electric lamps |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE432141A (enrdf_load_stackoverflow) |
| CH (1) | CH207792A (enrdf_load_stackoverflow) |
| FR (1) | FR849075A (enrdf_load_stackoverflow) |
| GB (1) | GB512791A (enrdf_load_stackoverflow) |
| NL (1) | NL56036C (enrdf_load_stackoverflow) |
-
0
- NL NL56036D patent/NL56036C/xx active
- BE BE432141D patent/BE432141A/xx unknown
-
1938
- 1938-01-27 CH CH207792D patent/CH207792A/fr unknown
- 1938-03-15 GB GB8018/38A patent/GB512791A/en not_active Expired
-
1939
- 1939-01-18 FR FR849075D patent/FR849075A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE432141A (enrdf_load_stackoverflow) | |
| FR849075A (fr) | 1939-11-14 |
| NL56036C (enrdf_load_stackoverflow) | |
| CH207792A (fr) | 1939-11-30 |
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