DD115748A1 - - Google Patents
Info
- Publication number
- DD115748A1 DD115748A1 DD18325574A DD18325574A DD115748A1 DD 115748 A1 DD115748 A1 DD 115748A1 DD 18325574 A DD18325574 A DD 18325574A DD 18325574 A DD18325574 A DD 18325574A DD 115748 A1 DD115748 A1 DD 115748A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18325574A DD115748A1 (de) | 1974-12-20 | 1974-12-20 | |
| DE19752549577 DE2549577A1 (de) | 1974-12-20 | 1975-11-05 | Explosions- und schlagwettergeschuetzte, druckfest gekapselte baueinheit fuer leuchtstofflampen |
| AT852775A AT348618B (de) | 1974-12-20 | 1975-11-10 | Explosions- und schlagwettergeschuetzte, druckfest gekapselte baueinheit fuer leucht- stofflampen |
| GB5204875A GB1533999A (en) | 1974-12-20 | 1975-12-19 | Lighting fittings for fluorescent tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18325574A DD115748A1 (de) | 1974-12-20 | 1974-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD115748A1 true DD115748A1 (de) | 1975-10-12 |
Family
ID=5498589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD18325574A DD115748A1 (de) | 1974-12-20 | 1974-12-20 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT348618B (de) |
| DD (1) | DD115748A1 (de) |
| DE (1) | DE2549577A1 (de) |
| GB (1) | GB1533999A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4012588C2 (de) * | 1990-04-20 | 1994-02-17 | Norka Norddeutsche Kunststoff | Leuchte für niedrige Umgebungstemperaturen |
| DE10009567A1 (de) * | 2000-02-29 | 2001-09-13 | Stahl R Schaltgeraete Gmbh | Leuchte in Rohrform |
| DE10120564A1 (de) * | 2001-04-26 | 2002-10-31 | Aqua Signal Ag | Leuchte mit Explosions-Schutz |
| DE10121613B4 (de) * | 2001-05-04 | 2009-04-30 | R. Stahl Schaltgeräte GmbH | Wasserdichte rohrförmige Leuchte |
| DE102006030275A1 (de) * | 2006-06-30 | 2008-01-03 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Schutzhülle für Lampen und zugehörige Baueinheit |
-
1974
- 1974-12-20 DD DD18325574A patent/DD115748A1/xx unknown
-
1975
- 1975-11-05 DE DE19752549577 patent/DE2549577A1/de not_active Withdrawn
- 1975-11-10 AT AT852775A patent/AT348618B/de not_active IP Right Cessation
- 1975-12-19 GB GB5204875A patent/GB1533999A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2549577A1 (de) | 1976-07-01 |
| AT348618B (de) | 1979-02-26 |
| ATA852775A (de) | 1978-07-15 |
| GB1533999A (en) | 1978-11-29 |