NL67310C - - Google Patents
Info
- Publication number
- NL67310C NL67310C NL67310DA NL67310C NL 67310 C NL67310 C NL 67310C NL 67310D A NL67310D A NL 67310DA NL 67310 C NL67310 C NL 67310C
- 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/32—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0011—Non-emitting electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4474/42A GB577822A (en) | 1942-04-03 | 1942-04-03 | Improvements in quartz envelopes having electrical leads sealed through them |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67310C true NL67310C (da) |
Family
ID=9777860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67310D NL67310C (da) | 1942-04-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2409361A (da) |
| BE (1) | BE463278A (da) |
| ES (1) | ES172539A1 (da) |
| FR (1) | FR920977A (da) |
| GB (1) | GB577822A (da) |
| NL (1) | NL67310C (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB639210A (en) * | 1947-05-01 | 1950-06-21 | Gen Electric Co Ltd | Improvements in conductor-seal bodies for high pressure metal vapour discharge lamps |
| US2659964A (en) * | 1947-09-01 | 1953-11-24 | Gen Electric | Method of making quartz-to-metal seals |
| US2504521A (en) * | 1948-05-01 | 1950-04-18 | Gen Electric | Quartz-to-metal seal |
| US2504522A (en) * | 1948-07-29 | 1950-04-18 | Gen Electric | Quartz-to-metal seal |
| US2670399A (en) * | 1949-08-12 | 1954-02-23 | Westinghouse Electric Corp | High-pressure gaseous discharge lamp |
| NL6408262A (da) * | 1964-07-18 | 1966-01-19 | ||
| US6856091B2 (en) * | 2002-06-24 | 2005-02-15 | Matsushita Electric Industrial Co., Ltd. | Seal for ceramic metal halide discharge lamp chamber |
-
0
- NL NL67310D patent/NL67310C/xx active
- BE BE463278D patent/BE463278A/xx unknown
-
1942
- 1942-04-03 GB GB4474/42A patent/GB577822A/en not_active Expired
-
1944
- 1944-03-30 US US528661A patent/US2409361A/en not_active Expired - Lifetime
-
1946
- 1946-01-31 FR FR920977D patent/FR920977A/fr not_active Expired
- 1946-02-12 ES ES172539A patent/ES172539A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES172539A1 (es) | 1946-03-16 |
| FR920977A (fr) | 1947-04-23 |
| US2409361A (en) | 1946-10-15 |
| GB577822A (en) | 1946-06-03 |
| BE463278A (da) |