GB1209866A - Improvements in or relating to electric lamps - Google Patents
Improvements in or relating to electric lampsInfo
- Publication number
- GB1209866A GB1209866A GB1789769A GB1789769A GB1209866A GB 1209866 A GB1209866 A GB 1209866A GB 1789769 A GB1789769 A GB 1789769A GB 1789769 A GB1789769 A GB 1789769A GB 1209866 A GB1209866 A GB 1209866A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- rod
- supporting rod
- april
- fused
- 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 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 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
- H01K1/38—Seals for leading-in conductors
-
- 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
- H01K3/20—Sealing-in wires directly into the envelope
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR147774 | 1968-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1209866A true GB1209866A (en) | 1970-10-21 |
Family
ID=8648853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1789769A Expired GB1209866A (en) | 1968-04-11 | 1969-04-08 | Improvements in or relating to electric lamps |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT286444B (enrdf_load_stackoverflow) |
| BE (1) | BE731260A (enrdf_load_stackoverflow) |
| CH (1) | CH500586A (enrdf_load_stackoverflow) |
| DE (1) | DE1917495B2 (enrdf_load_stackoverflow) |
| FR (1) | FR1568401A (enrdf_load_stackoverflow) |
| GB (1) | GB1209866A (enrdf_load_stackoverflow) |
| NL (1) | NL6905351A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054814A (en) * | 1975-10-31 | 1977-10-18 | Western Electric Company, Inc. | Electroluminescent display and method of making |
| US4305632A (en) * | 1979-12-26 | 1981-12-15 | Gte Products Corporation | Method of making tungsten halogen capsule for headlight |
| DE19946297A1 (de) * | 1999-09-28 | 2001-04-12 | Philips Corp Intellectual Pty | Glühlampe |
-
1968
- 1968-04-11 FR FR1568401D patent/FR1568401A/fr not_active Expired
-
1969
- 1969-04-05 DE DE19691917495 patent/DE1917495B2/de not_active Withdrawn
- 1969-04-05 NL NL6905351A patent/NL6905351A/xx unknown
- 1969-04-08 CH CH527569A patent/CH500586A/de not_active IP Right Cessation
- 1969-04-08 AT AT339569A patent/AT286444B/de not_active IP Right Cessation
- 1969-04-08 GB GB1789769A patent/GB1209866A/en not_active Expired
- 1969-04-09 BE BE731260D patent/BE731260A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1917495A1 (de) | 1969-10-30 |
| BE731260A (enrdf_load_stackoverflow) | 1969-10-09 |
| NL6905351A (enrdf_load_stackoverflow) | 1969-10-14 |
| CH500586A (de) | 1970-12-15 |
| FR1568401A (enrdf_load_stackoverflow) | 1969-05-23 |
| DE1917495B2 (de) | 1977-09-01 |
| AT286444B (de) | 1970-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |