NL96915C - - Google Patents
Info
- Publication number
- NL96915C NL96915C NL96915DA NL96915C NL 96915 C NL96915 C NL 96915C NL 96915D A NL96915D A NL 96915DA NL 96915 C NL96915 C NL 96915C
- Authority
- NL
- Netherlands
Links
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
-
- 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
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
-
- 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)
- Lasers (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35096/54A GB798945A (en) | 1954-12-03 | 1954-12-03 | Improvements in or relating to electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
NL96915C true NL96915C (fi) |
Family
ID=10373771
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL96915D NL96915C (fi) | 1954-12-03 | ||
NL202520D NL202520A (fi) | 1954-12-03 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL202520D NL202520A (fi) | 1954-12-03 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2881104A (fi) |
DE (1) | DE1070740B (fi) |
GB (1) | GB798945A (fi) |
NL (2) | NL202520A (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT222751B (de) * | 1960-06-17 | 1962-08-10 | Egyesuelt Izzolampa | Verfahren zur Herstellung von Glühlampenwendeln |
US3530010A (en) * | 1968-07-22 | 1970-09-22 | Research Corp | Method of making blazed optical diffraction gratings |
HU207907B (en) * | 1987-10-22 | 1993-06-28 | Tungsram Reszvenytarsasag | Apparatus for continuous heat treating tungsten spiral filaments on molibdenum core |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2165310A (en) * | 1939-07-11 | Filament | ||
US1738960A (en) * | 1926-03-30 | 1929-12-10 | Mutscheller Arthur | Vacuum discharge device and method of using the same |
US2069081A (en) * | 1932-05-31 | 1937-01-26 | Gen Electric | Electric incandescent lamp |
US2047555A (en) * | 1933-05-31 | 1936-07-14 | Parsons & Co Ltd C A | Manufacture of hollow turbine blades |
US2482826A (en) * | 1945-08-04 | 1949-09-27 | Tung Sol Lamp Works Inc | Filament structure for thermionic tubes |
-
0
- NL NL96915D patent/NL96915C/xx active
- NL NL202520D patent/NL202520A/xx unknown
- DE DENDAT1070740D patent/DE1070740B/de active Pending
-
1954
- 1954-12-03 GB GB35096/54A patent/GB798945A/en not_active Expired
-
1955
- 1955-12-05 US US576510A patent/US2881104A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL202520A (fi) | |
GB798945A (en) | 1958-07-30 |
DE1070740B (fi) | |
US2881104A (en) | 1959-04-07 |