GB181703A - - Google Patents
Info
- Publication number
- GB181703A GB181703A GB15476/22A GB1547622A GB181703A GB 181703 A GB181703 A GB 181703A GB 15476/22 A GB15476/22 A GB 15476/22A GB 1547622 A GB1547622 A GB 1547622A GB 181703 A GB181703 A GB 181703A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- drawn
- heated
- metals
- strongly
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 239000011800 void material 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)
- Inorganic Fibers (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE181703T | 1921-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB181703A true GB181703A (enExample) | 1923-01-25 |
Family
ID=31892828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15476/22A Expired GB181703A (enExample) | 1921-06-18 | 1922-06-01 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR552464A (enExample) |
| GB (1) | GB181703A (enExample) |
-
1922
- 1922-06-01 GB GB15476/22A patent/GB181703A/en not_active Expired
- 1922-06-02 FR FR552464D patent/FR552464A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR552464A (fr) | 1923-05-01 |
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