GB394557A - Improvements in and relating to incandescent electric lamps - Google Patents
Improvements in and relating to incandescent electric lampsInfo
- Publication number
- GB394557A GB394557A GB30556/32A GB3055632A GB394557A GB 394557 A GB394557 A GB 394557A GB 30556/32 A GB30556/32 A GB 30556/32A GB 3055632 A GB3055632 A GB 3055632A GB 394557 A GB394557 A GB 394557A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filament
- carbide
- carbon
- graphite
- bulb
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 11
- 229910052799 carbon Inorganic materials 0.000 abstract 7
- 229910002804 graphite Inorganic materials 0.000 abstract 4
- 239000010439 graphite Substances 0.000 abstract 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 239000003575 carbonaceous material Substances 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 2
- 239000011261 inert gas Substances 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- -1 &c. Substances 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000001247 metal acetylides Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- 239000003870 refractory metal Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
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
Landscapes
- Resistance Heating (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US572113A US2019331A (en) | 1931-10-30 | 1931-10-30 | Electric incandescent lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB394557A true GB394557A (en) | 1933-06-29 |
Family
ID=24286396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30556/32A Expired GB394557A (en) | 1931-10-30 | 1932-10-31 | Improvements in and relating to incandescent electric lamps |
Country Status (3)
-
0
- FR FR743386D patent/FR743386A/fr not_active Expired
-
1931
- 1931-10-30 US US572113A patent/US2019331A/en not_active Expired - Lifetime
-
1932
- 1932-10-31 GB GB30556/32A patent/GB394557A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2019331A (en) | 1935-10-29 |
| FR743386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1933-03-29 |
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