FR2298057A1 - Paralume presentant une bonne tenue au feu - Google Patents
Paralume presentant une bonne tenue au feuInfo
- Publication number
- FR2298057A1 FR2298057A1 FR7502024A FR7502024A FR2298057A1 FR 2298057 A1 FR2298057 A1 FR 2298057A1 FR 7502024 A FR7502024 A FR 7502024A FR 7502024 A FR7502024 A FR 7502024A FR 2298057 A1 FR2298057 A1 FR 2298057A1
- Authority
- FR
- France
- Prior art keywords
- fresnel lens
- light screen
- profiled sections
- lens shape
- folded blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7502024A FR2298057A1 (fr) | 1975-01-17 | 1975-01-17 | Paralume presentant une bonne tenue au feu |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7502024A FR2298057A1 (fr) | 1975-01-17 | 1975-01-17 | Paralume presentant une bonne tenue au feu |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2298057A1 true FR2298057A1 (fr) | 1976-08-13 |
FR2298057B1 FR2298057B1 (fr) | 1978-02-10 |
Family
ID=9150192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502024A Granted FR2298057A1 (fr) | 1975-01-17 | 1975-01-17 | Paralume presentant une bonne tenue au feu |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2298057A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0286890A2 (fr) * | 1987-04-13 | 1988-10-19 | Zumtobel Aktiengesellschaft | Ecran pour armature à lampe fluorescente |
EP0798508A2 (fr) * | 1996-03-27 | 1997-10-01 | ZUMTOBEL LICHT GmbH | Procédé de fabrication d'un réflecteur à coupe transversale en V et réflecteur ayant une coupe transversale en V |
-
1975
- 1975-01-17 FR FR7502024A patent/FR2298057A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0286890A2 (fr) * | 1987-04-13 | 1988-10-19 | Zumtobel Aktiengesellschaft | Ecran pour armature à lampe fluorescente |
EP0286890A3 (en) * | 1987-04-13 | 1989-11-29 | Zumtobel Aktiengesellschaft | Screen for a fluorescent-light fitting |
EP0798508A2 (fr) * | 1996-03-27 | 1997-10-01 | ZUMTOBEL LICHT GmbH | Procédé de fabrication d'un réflecteur à coupe transversale en V et réflecteur ayant une coupe transversale en V |
EP0798508A3 (fr) * | 1996-03-27 | 1998-04-15 | ZUMTOBEL LICHT GmbH | Procédé de fabrication d'un réflecteur à coupe transversale en V et réflecteur ayant une coupe transversale en V |
Also Published As
Publication number | Publication date |
---|---|
FR2298057B1 (fr) | 1978-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |