NL53198C - - Google Patents
Info
- Publication number
- NL53198C NL53198C NL72674A NL72674A NL53198C NL 53198 C NL53198 C NL 53198C NL 72674 A NL72674 A NL 72674A NL 72674 A NL72674 A NL 72674A NL 53198 C NL53198 C NL 53198C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/822—High-pressure mercury lamps
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN37771D DE717482C (en) | 1935-02-16 | 1935-02-16 | Naturally cooled, electric high-pressure discharge tubes used to emit radiation with a filling of mercury vapor and a gas to facilitate ignition, with solid glow electrodes, preferably heated by the discharge itself, and with a cover made of refractory, radiolucent material, for example quartz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53198C true NL53198C (en) | 1942-10-15 |
Family
ID=33037647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72674A NL53198C (en) | 1935-02-16 | 1935-02-26 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT156287B (en) |
| CH (1) | CH185269A (en) |
| DE (1) | DE717482C (en) |
| DK (1) | DK56313C (en) |
| FR (1) | FR786440A (en) |
| GB (1) | GB431451A (en) |
| NL (1) | NL53198C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE756413C (en) * | 1936-11-11 | 1944-10-05 | Philips Patentverwaltung | Naturally cooled, electric high-pressure mercury vapor discharge tubes with fixed glow electrodes and an inside diameter greater than 7 mm, which are used to emit radiation |
| US4598225A (en) * | 1983-02-25 | 1986-07-01 | Gte Products Corporation | Electric lamp with high outer-envelope to inner-envelope wall-thickness ratio |
-
1935
- 1935-02-16 DE DEN37771D patent/DE717482C/en not_active Expired
- 1935-02-26 NL NL72674A patent/NL53198C/xx active
- 1935-02-27 GB GB623235A patent/GB431451A/en not_active Expired
- 1935-02-28 CH CH185269D patent/CH185269A/en unknown
- 1935-02-28 AT AT156287D patent/AT156287B/en active
- 1935-02-28 FR FR786440D patent/FR786440A/en not_active Expired
- 1935-03-01 DK DK56313D patent/DK56313C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR786440A (en) | 1935-09-03 |
| GB431451A (en) | 1935-07-08 |
| AT156287B (en) | 1939-06-10 |
| DK56313C (en) | 1939-06-19 |
| CH185269A (en) | 1936-07-15 |
| DE717482C (en) | 1942-02-16 |