Global patent index - EP 0878661 A3

EP 0878661 A3 2000-10-04 - Glass element for space illumination with daylight

Title (en)

Glass element for space illumination with daylight

Title (de)

Glaselement zur Raumbeleuchtung mit Tageslicht

Title (fr)

Elément verrier pour l'éclairage de locaux par la lumière naturelle

Publication

EP 0878661 A3 (FR)

Application

EP 98401093 A

Priority

DE 29708518 U

Abstract (en)

[origin: EP0878661A2] A glass pane unit is used for enhanced daylight illumination of rooms. It comprises at least two transparent sheets (1, 2) enclosing parallel light-deflecting curved lamellae (3) each with a convexly-curved end (4), facing the incident light. A light-scattering surface structure is included. The light-scattering surface structure (7) is embossed on one of the transparent sheets (2). Preferably, the sheets are plane silicate glass or polymethylmethacrylate (PMMA) sheets, with the structuring on one side. A plastic sheet lining may provide the structuring on silicate glass. The structuring comprises ridges or grooves transverse to the lamellae. These are sinusoidal with specific amplitude and height. Three transparent sheets may be used, the surface pattern facing into a gas filled interspace.

IPC 1-7 (main, further and additional classification)

F21S 11/00

IPC 8 full level (invention and additional information)

E06B 9/24 (2006.01); F21S 11/00 (2006.01)

CPC (invention and additional information)

E06B 9/24 (2013.01); F21S 11/00 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 29708518 U1 19970717; AT 319039 T 20060315; DE 69833627 D1 20060427; EP 0878661 A2 19981118; EP 0878661 A3 20001004; EP 0878661 B1 20060301; ES 2258812 T3 20060901; PT 878661 E 20060630

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