GB431651A - Improvements in or relating to electric discharge devices - Google Patents
Improvements in or relating to electric discharge devicesInfo
- Publication number
- GB431651A GB431651A GB1221/34A GB122134A GB431651A GB 431651 A GB431651 A GB 431651A GB 1221/34 A GB1221/34 A GB 1221/34A GB 122134 A GB122134 A GB 122134A GB 431651 A GB431651 A GB 431651A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- walls
- electric discharge
- general electric
- discharge devices
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL41741D NL41741C (enrdf_load_stackoverflow) | 1934-01-12 | ||
| GB1221/34A GB431651A (en) | 1934-01-12 | 1934-01-12 | Improvements in or relating to electric discharge devices |
| US750A US2030437A (en) | 1934-01-12 | 1935-01-07 | Electric discharge device |
| FR784009D FR784009A (fr) | 1934-01-12 | 1935-01-11 | Remplissage externe pour dispositifs à décharge électrique |
| DEG89554D DE647009C (de) | 1934-01-12 | 1935-01-12 | Verfahren zum Herstellen von doppelwandigen Hochdruckmetalldampfentladungslampen mit Gluehelektroden |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1221/34A GB431651A (en) | 1934-01-12 | 1934-01-12 | Improvements in or relating to electric discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB431651A true GB431651A (en) | 1935-07-12 |
Family
ID=9718224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1221/34A Expired GB431651A (en) | 1934-01-12 | 1934-01-12 | Improvements in or relating to electric discharge devices |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2030437A (enrdf_load_stackoverflow) |
| DE (1) | DE647009C (enrdf_load_stackoverflow) |
| FR (1) | FR784009A (enrdf_load_stackoverflow) |
| GB (1) | GB431651A (enrdf_load_stackoverflow) |
| NL (1) | NL41741C (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714492A (en) * | 1971-05-03 | 1973-01-30 | Gte Sylvania Inc | Dc fluorescent lamp with improved efficiency |
| FR2386135A1 (fr) * | 1977-03-30 | 1978-10-27 | Gte Sylvania Inc | Perfectionnement apporte aux lampes a vapeur de sodium a haute pression |
| US4598225A (en) * | 1983-02-25 | 1986-07-01 | Gte Products Corporation | Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio |
-
0
- NL NL41741D patent/NL41741C/xx active
-
1934
- 1934-01-12 GB GB1221/34A patent/GB431651A/en not_active Expired
-
1935
- 1935-01-07 US US750A patent/US2030437A/en not_active Expired - Lifetime
- 1935-01-11 FR FR784009D patent/FR784009A/fr not_active Expired
- 1935-01-12 DE DEG89554D patent/DE647009C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL41741C (enrdf_load_stackoverflow) | |
| US2030437A (en) | 1936-02-11 |
| FR784009A (fr) | 1935-07-20 |
| DE647009C (de) | 1937-06-25 |
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