DE271730C - - Google Patents
Info
- Publication number
- DE271730C DE271730C DENDAT271730D DE271730DA DE271730C DE 271730 C DE271730 C DE 271730C DE NDAT271730 D DENDAT271730 D DE NDAT271730D DE 271730D A DE271730D A DE 271730DA DE 271730 C DE271730 C DE 271730C
- Authority
- DE
- Germany
- Prior art keywords
- tungsten
- wires
- hydrogen
- drawn
- reduced
- 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.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000009931 harmful effect Effects 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 9
- 239000000292 calcium oxide Substances 0.000 description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 9
- 229940043430 calcium compound Drugs 0.000 description 4
- 150000001674 calcium compounds Chemical class 0.000 description 4
- 241000195955 Equisetum hyemale Species 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241001140714 Citrus latifolia Species 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- VVRQVWSVLMGPRN-UHFFFAOYSA-N oxotungsten Chemical compound [W]=O VVRQVWSVLMGPRN-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 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)
- Luminescent Compositions (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE271730C true DE271730C (forum.php) |
Family
ID=528359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT271730D Active DE271730C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE271730C (forum.php) |
-
0
- DE DENDAT271730D patent/DE271730C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1169593B (de) | Kathode hoher Elektronenemission | |
| DE1088155B (de) | Elektrode fuer elektrische Hochdruckentladungslampen | |
| DE271730C (forum.php) | ||
| DE467675C (de) | Gluehkathode fuer Entladungsgefaesse | |
| DE628460C (de) | Hochemissionskathode | |
| WO2008116756A1 (de) | Material für elektroden oder leuchtkörper und elektrode bzw. leuchtkörper | |
| DE1608138C (de) | Grobkiristalhner Wolframgluhkorper und Verfahren zu seiner Herstellung | |
| DE617546C (de) | Gluehelektrode fuer gasgefuellte elektrische Entladungsgefaesse, insbesondere elektrische Leuchtroehren, und Verfahren zu ihrer Herstellung | |
| DE664702C (de) | Vorwiegend aus Wolfram bestehendes Metallpulver zur Herstellung von insbesondere dickfaedigen Wolframgluehkoerpern elektrischer Gluehlampen | |
| DE190795C (forum.php) | ||
| DE496847C (de) | Verfahren zur Herstellung von Gluehkoerpern, beispielsweise fuer elektrische Lampen | |
| DE391760C (de) | Aus Wolfram mit einem Zusatz von Eisen bestehender Gluehfaden fuer elektrische Gluehlampen | |
| AT120212B (de) | Elektronen emittierender Körper und Verfahren zu seiner Herstellung. | |
| DE19539051C2 (de) | Durchbiegefester Wolframdraht | |
| AT144643B (de) | Wolframmetallpulver, insbesondere zur Herstellung von dickfädigen Wolframglühkörpern. | |
| DE486656C (de) | Einbringstoff fuer gasgefuellte elektrische Gluehlampen und Wolframbogenlampen | |
| AT73558B (de) | Verfahren zum Ziehbarmachen von spröden Metallen, wie Wolfram, Molybdän, Uran oder dgl. bzw. deren Legierungen, insbesondere zur Herstellung von Metallfäden für elektrische Glühlampen. | |
| DE272347C (forum.php) | ||
| DE875841C (de) | Getterstoff fuer elektrische Entladungsroehren | |
| DE598325C (de) | Elektrische Quecksilberdampflampe oder -roehre mit aus Borosilikatglas bestehendem Roehrengefaess | |
| DE449447C (de) | Gluehkathode fuer elektrische Entladungsroehren | |
| DE140143C (forum.php) | ||
| AT16620B (de) | Verfahren zur Herstellung von Glühkörpern für elektrisches Licht oder Wärme. | |
| AT154322B (de) | Verfahren zur Herstellung gewendelter Leuchtkörper, insbesondere für elektrische Glühlampen. | |
| DE1608138B1 (de) | Grobkristalliner Wolframgluehkoerper und Verfahren zu seiner Herstellung |