FR1027206A - Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns - Google Patents
Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turnsInfo
- Publication number
- FR1027206A FR1027206A FR1027206DA FR1027206A FR 1027206 A FR1027206 A FR 1027206A FR 1027206D A FR1027206D A FR 1027206DA FR 1027206 A FR1027206 A FR 1027206A
- Authority
- FR
- France
- Prior art keywords
- double
- lamp
- mixed light
- helical turns
- multiple filaments
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE290124X | 1949-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1027206A true FR1027206A (en) | 1953-05-08 |
Family
ID=20307220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1027206D Expired FR1027206A (en) | 1949-11-23 | 1950-11-04 | Electric incandescent lamp or mixed light lamp, preferably with double or multiple filaments in helical turns |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE499326A (en) |
| CH (1) | CH290124A (en) |
| FR (1) | FR1027206A (en) |
| GB (1) | GB706326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092781A3 (en) * | 1982-04-28 | 1984-07-25 | Gte Products Corporation | Tungsten-halogen incandescent lamp containing additive to reduce filament sag |
-
0
- BE BE499326D patent/BE499326A/xx unknown
-
1950
- 1950-10-30 CH CH290124D patent/CH290124A/en unknown
- 1950-11-04 FR FR1027206D patent/FR1027206A/en not_active Expired
- 1950-11-17 GB GB28179/50A patent/GB706326A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092781A3 (en) * | 1982-04-28 | 1984-07-25 | Gte Products Corporation | Tungsten-halogen incandescent lamp containing additive to reduce filament sag |
Also Published As
| Publication number | Publication date |
|---|---|
| BE499326A (en) | |
| GB706326A (en) | 1954-03-31 |
| CH290124A (en) | 1953-04-15 |
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