FR916563A - Process for the manufacture of vacuum tube filaments and filaments obtained by process - Google Patents
Process for the manufacture of vacuum tube filaments and filaments obtained by processInfo
- Publication number
- FR916563A FR916563A FR916563DA FR916563A FR 916563 A FR916563 A FR 916563A FR 916563D A FR916563D A FR 916563DA FR 916563 A FR916563 A FR 916563A
- Authority
- FR
- France
- Prior art keywords
- filaments
- manufacture
- vacuum tube
- filaments obtained
- tube filaments
- 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
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
- H01K3/04—Machines therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US434269A US2410060A (en) | 1942-03-11 | 1942-03-11 | Method of producing vacuum tube electrodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR916563A true FR916563A (en) | 1946-12-10 |
Family
ID=23723541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR916563D Expired FR916563A (en) | 1942-03-11 | 1945-10-27 | Process for the manufacture of vacuum tube filaments and filaments obtained by process |
Country Status (4)
Country | Link |
---|---|
US (1) | US2410060A (en) |
BE (1) | BE461798A (en) |
FR (1) | FR916563A (en) |
GB (1) | GB569048A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2555310A (en) * | 1946-02-21 | 1951-06-05 | William E Beltz | Mandrel |
US2457651A (en) * | 1946-03-18 | 1948-12-28 | Eitel Mccullough Inc | Electron tube and method of making the same |
US2501002A (en) * | 1946-10-26 | 1950-03-21 | Sylvania Electric Prod | Control grid |
FR964341A (en) * | 1947-04-08 | 1950-08-10 | ||
US2625666A (en) * | 1950-02-27 | 1953-01-13 | Eitel Mccullough Inc | Filament for electron tubes |
US2753283A (en) * | 1951-06-30 | 1956-07-03 | Rca Corp | Method of making nickel-carbon alloy sleeves |
US2818360A (en) * | 1952-03-19 | 1957-12-31 | Jones & Laughlin Steel Corp | Method for the aluminum cladding of ferrous base metal and product thereof |
US3411959A (en) * | 1966-03-21 | 1968-11-19 | Westinghouse Electric Corp | Method for producing tantalum carbide and tantalum-alloy carbide filaments |
US3650850A (en) * | 1970-04-07 | 1972-03-21 | Richard Corth | Method of making an undistorted coiled-coil tantalum carbide filament |
DE2451536A1 (en) * | 1974-10-30 | 1976-05-06 | Bosch Gmbh Robert | PROCESS FOR CARBURIZING WORKPIECES OF STEEL |
CN104538267B (en) * | 2014-11-18 | 2017-08-11 | 安徽华东光电技术研究所 | A kind of negative electrode filament potting compound removing method |
-
0
- BE BE461798D patent/BE461798A/xx unknown
-
1942
- 1942-03-11 US US434269A patent/US2410060A/en not_active Expired - Lifetime
-
1943
- 1943-03-09 GB GB3798/43A patent/GB569048A/en not_active Expired
-
1945
- 1945-10-27 FR FR916563D patent/FR916563A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2410060A (en) | 1946-10-29 |
GB569048A (en) | 1945-05-02 |
BE461798A (en) |
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