DD110977A1 - - Google Patents
Info
- Publication number
- DD110977A1 DD110977A1 DD17691274A DD17691274A DD110977A1 DD 110977 A1 DD110977 A1 DD 110977A1 DD 17691274 A DD17691274 A DD 17691274A DD 17691274 A DD17691274 A DD 17691274A DD 110977 A1 DD110977 A1 DD 110977A1
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/15—Thermal insulation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17691274A DD110977A1 (en) | 1974-03-04 | 1974-03-04 | |
| DE19752508765 DE2508765A1 (en) | 1974-03-04 | 1975-02-28 | EXPLOSION-PROOF, PRESSURE-RESISTANT ENCLOSED LUMINAIRE, IN PARTICULAR FOR LIGHT SOURCES WITH HIGHER LIGHT OUTPUT |
| GB896375A GB1506422A (en) | 1974-03-04 | 1975-03-04 | Lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD17691274A DD110977A1 (en) | 1974-03-04 | 1974-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD110977A1 true DD110977A1 (en) | 1975-01-12 |
Family
ID=5494819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17691274A DD110977A1 (en) | 1974-03-04 | 1974-03-04 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD110977A1 (en) |
| DE (1) | DE2508765A1 (en) |
| GB (1) | GB1506422A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4828639B2 (en) * | 2010-02-08 | 2011-11-30 | シャープ株式会社 | Lighting device |
-
1974
- 1974-03-04 DD DD17691274A patent/DD110977A1/xx unknown
-
1975
- 1975-02-28 DE DE19752508765 patent/DE2508765A1/en active Pending
- 1975-03-04 GB GB896375A patent/GB1506422A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1506422A (en) | 1978-04-05 |
| DE2508765A1 (en) | 1975-09-11 |