FR2298057A1 - Paralume presentant une bonne tenue au feu - Google Patents

Paralume presentant une bonne tenue au feu

Info

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
Application number
FR7502024A
Other languages
English (en)
Other versions
FR2298057B1 (fr
Inventor
Louis Fourneron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cegedur Societe de Transformation de lAluminium Pechiney SA
Original Assignee
Cegedur Societe de Transformation de lAluminium Pechiney SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cegedur Societe de Transformation de lAluminium Pechiney SA filed Critical Cegedur Societe de Transformation de lAluminium Pechiney SA
Priority to FR7502024A priority Critical patent/FR2298057A1/fr
Publication of FR2298057A1 publication Critical patent/FR2298057A1/fr
Application granted granted Critical
Publication of FR2298057B1 publication Critical patent/FR2298057B1/fr
Granted legal-status Critical Current

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)
FR7502024A 1975-01-17 1975-01-17 Paralume presentant une bonne tenue au feu Granted FR2298057A1 (fr)

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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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