GB1431575A - Method of manufacturing a gas-filled electric incandescent lamp - Google Patents
Method of manufacturing a gas-filled electric incandescent lampInfo
- Publication number
- GB1431575A GB1431575A GB3003673A GB3003673A GB1431575A GB 1431575 A GB1431575 A GB 1431575A GB 3003673 A GB3003673 A GB 3003673A GB 3003673 A GB3003673 A GB 3003673A GB 1431575 A GB1431575 A GB 1431575A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- temperature
- torr
- partial pressure
- gas
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 3
- 229910052801 chlorine Inorganic materials 0.000 abstract 3
- 239000000460 chlorine Substances 0.000 abstract 3
- 229910052731 fluorine Inorganic materials 0.000 abstract 3
- 239000011737 fluorine Substances 0.000 abstract 3
- 150000001875 compounds Chemical group 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000011261 inert gas Substances 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000000126 substance Substances 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
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU57191/73A AU481009B2 (en) | 1972-06-27 | 1973-06-21 | Correlator and control for vehicular avoidance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2231520A DE2231520A1 (de) | 1972-06-28 | 1972-06-28 | Verfahren zur herstellung einer elektrischen gluehlampe mit verlaengerter lebensdauer und/oder erhoehter lichtausbeute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1431575A true GB1431575A (en) | 1976-04-07 |
Family
ID=5848989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3003673A Expired GB1431575A (en) | 1972-06-27 | 1973-06-25 | Method of manufacturing a gas-filled electric incandescent lamp |
Country Status (11)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535269A (en) * | 1983-08-01 | 1985-08-13 | General Electric Company | Incandescent lamp |
| DE4343989C2 (de) * | 1993-12-22 | 2002-12-19 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Halogenglühlampe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826632B1 (enrdf_load_stackoverflow) * | 1968-12-27 | 1973-08-13 | ||
| US3759602A (en) * | 1971-08-30 | 1973-09-18 | Gen Electric | Inhibiting d-c notching effect in incandescent lamp filaments |
-
1972
- 1972-06-28 DE DE2231520A patent/DE2231520A1/de active Pending
-
1973
- 1973-06-13 US US369552A patent/US3868159A/en not_active Expired - Lifetime
- 1973-06-20 CA CA174,514A patent/CA975420A/en not_active Expired
- 1973-06-22 AU AU57235/73A patent/AU5723573A/en not_active Expired
- 1973-06-25 JP JP48070905A patent/JPS4957683A/ja active Pending
- 1973-06-25 IT IT25810/73A patent/IT989449B/it active
- 1973-06-25 GB GB3003673A patent/GB1431575A/en not_active Expired
- 1973-06-25 NL NL7308786A patent/NL7308786A/xx unknown
- 1973-06-25 SE SE7308892A patent/SE381953B/xx unknown
- 1973-06-26 FR FR7323349A patent/FR2191265B1/fr not_active Expired
- 1973-06-26 BE BE132744A patent/BE801466A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA975420A (en) | 1975-09-30 |
| SE381953B (sv) | 1975-12-22 |
| IT989449B (it) | 1975-05-20 |
| JPS4957683A (enrdf_load_stackoverflow) | 1974-06-04 |
| FR2191265B1 (enrdf_load_stackoverflow) | 1977-12-23 |
| DE2231520A1 (de) | 1974-01-17 |
| FR2191265A1 (enrdf_load_stackoverflow) | 1974-02-01 |
| AU5723573A (en) | 1975-01-09 |
| US3868159A (en) | 1975-02-25 |
| NL7308786A (enrdf_load_stackoverflow) | 1974-01-02 |
| BE801466A (fr) | 1973-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |