GB190901332A - Improvements in Metal Filaments for Electric Lamps and in the Process of Manufacturing the same. - Google Patents
Improvements in Metal Filaments for Electric Lamps and in the Process of Manufacturing the same.Info
- Publication number
- GB190901332A GB190901332A GB190901332DA GB190901332A GB 190901332 A GB190901332 A GB 190901332A GB 190901332D A GB190901332D A GB 190901332DA GB 190901332 A GB190901332 A GB 190901332A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filaments
- filament
- weights
- springs
- angular
- 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
- 229910052751 metal Inorganic materials 0.000 title abstract 3
- 239000002184 metal Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 abstract 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE210457T | 1908-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190901332A true GB190901332A (en) | 1909-05-13 |
Family
ID=32405185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190901332D Expired GB190901332A (en) | 1908-02-22 | 1909-01-19 | Improvements in Metal Filaments for Electric Lamps and in the Process of Manufacturing the same. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE210457C (enExample) |
| FR (1) | FR399007A (enExample) |
| GB (1) | GB190901332A (enExample) |
-
1908
- 1908-02-22 DE DE1908210457D patent/DE210457C/de not_active Expired - Lifetime
-
1909
- 1909-01-19 GB GB190901332D patent/GB190901332A/en not_active Expired
- 1909-01-20 FR FR399007D patent/FR399007A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE210457C (enExample) | |
| FR399007A (fr) | 1909-06-21 |
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