DE521050C - Suspension zur Herstellung eines UEberzuges auf den Kathoden von Entladungsroehren - Google Patents
Suspension zur Herstellung eines UEberzuges auf den Kathoden von EntladungsroehrenInfo
- Publication number
- DE521050C DE521050C DEW83232D DEW0083232D DE521050C DE 521050 C DE521050 C DE 521050C DE W83232 D DEW83232 D DE W83232D DE W0083232 D DEW0083232 D DE W0083232D DE 521050 C DE521050 C DE 521050C
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- carbonate
- cathodes
- coating
- production
- 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
- 239000000725 suspension Substances 0.000 title claims description 12
- 238000000576 coating method Methods 0.000 title claims description 7
- 239000011248 coating agent Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000002904 solvent Substances 0.000 claims description 13
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 12
- 239000000020 Nitrocellulose Substances 0.000 claims description 11
- 229920001220 nitrocellulos Polymers 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 7
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- -1 esters diethyl carbonate Chemical class 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims 1
- 229910000018 strontium carbonate Inorganic materials 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- CWGBFIRHYJNILV-UHFFFAOYSA-N (1,4-diphenyl-1,2,4-triazol-4-ium-3-yl)-phenylazanide Chemical compound C=1C=CC=CC=1[N-]C1=NN(C=2C=CC=CC=2)C=[N+]1C1=CC=CC=C1 CWGBFIRHYJNILV-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229940072049 amyl acetate Drugs 0.000 description 1
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/006—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paints Or Removers (AREA)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US294326A US1842161A (en) | 1928-07-20 | 1928-07-20 | Electron emission material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE521050C true DE521050C (de) | 1931-03-16 |
Family
ID=23132929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEW83232D Expired DE521050C (de) | 1928-07-20 | 1929-07-19 | Suspension zur Herstellung eines UEberzuges auf den Kathoden von Entladungsroehren |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1842161A (enrdf_load_stackoverflow) |
| BE (1) | BE362221A (enrdf_load_stackoverflow) |
| DE (1) | DE521050C (enrdf_load_stackoverflow) |
| FR (1) | FR678731A (enrdf_load_stackoverflow) |
| GB (1) | GB316104A (enrdf_load_stackoverflow) |
| NL (1) | NL28930C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE745742C (de) * | 1937-03-09 | 1944-03-31 | Elek Zitaets Ag | Verfahren zur Herstellung von Oxydkathoden |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2600112A (en) * | 1948-06-30 | 1952-06-10 | Sylvania Electric Prod | Electron emitter |
| US2673387A (en) * | 1951-05-18 | 1954-03-30 | Gen Electric | Electron emission coating mixtures |
| US2985548A (en) * | 1957-12-26 | 1961-05-23 | Sylvania Electric Prod | Method of making a low density coating for an electron discharge device |
| US4359489A (en) * | 1981-03-18 | 1982-11-16 | Corneille David M | Coprecipitation process for thermionic cathode type materials |
| US4411827A (en) * | 1981-03-18 | 1983-10-25 | Corneille David M | Coprecipitation process for thermionic cathode type materials |
-
0
- NL NL28930D patent/NL28930C/xx active
- BE BE362221D patent/BE362221A/xx unknown
-
1928
- 1928-07-20 US US294326A patent/US1842161A/en not_active Expired - Lifetime
-
1929
- 1929-07-18 FR FR678731D patent/FR678731A/fr not_active Expired
- 1929-07-19 DE DEW83232D patent/DE521050C/de not_active Expired
- 1929-07-22 GB GB22507/29A patent/GB316104A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE745742C (de) * | 1937-03-09 | 1944-03-31 | Elek Zitaets Ag | Verfahren zur Herstellung von Oxydkathoden |
Also Published As
| Publication number | Publication date |
|---|---|
| GB316104A (en) | 1930-09-25 |
| FR678731A (fr) | 1930-04-03 |
| NL28930C (enrdf_load_stackoverflow) | |
| US1842161A (en) | 1932-01-19 |
| BE362221A (enrdf_load_stackoverflow) |
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