EP 0964112 A1 19991215 - Transparent panel for building improving the natural brightness inside the building

Title (en)

Transparent panel for building improving the natural brightness inside the building

Title (de)

Lichtdurchlässiges Paneel für Gebäude, das die natürliche Helligkeit innerhalb des Gebäudes verbessert

Title (fr)

Panneau transparent pour batiment améliorant la luminosité naturelle à l'intérieur du batiment

Publication

EP 0964112 A1 19991215 (FR)

Application

EP 99401403 A 19990610

Priority

FR 9807275 A 19980610

Abstract (en)

The transparent panel has at least one sheet of glass (1) with horizontal and parallel grooves (3) made through part of its thickness. The grooves lie perpendicular to the surface of the glass sheet and are spaced at even intervals. The transparent panel can be multilayered, with the depth of the grooves equivalent to the thickness of the glass sheet, and the ratio of the grooves' depth to the distance between them being between 0.5 and 2:1, and preferably between 1 and 2:1.

IPC 1-7

E04C 2/54; F21S 11/00

IPC 8 full level

E04C 2/54 (2006.01); F21S 11/00 (2006.01)

CPC (source: EP)

E04C 2/54 (2013.01); F21S 11/00 (2013.01)

Citation (search report)

[XA] WO 9425792 A2 19941110 - MILNER PETER J [GB]
[XDA] US 4989952 A 19910205 - EDMONDS IAN R [AU]
[AD] EP 0633867 B1 19960821 - FONON TECHNOLOGY LTD [GB]
[A] EP 0577445 A1 19940105 - SAINT GOBAIN VITRAGE [FR], et al
[A] EP 0092322 A1 19831026 - YONAH YITZCHAK BAR
[A] EP 0538728 A1 19930428 - MUELLER HELMUT FRANK OTTOMAR P [DE]
[A] PATENT ABSTRACTS OF JAPAN vol. 17, no. 55 (C - 1023) 3 February 1993 (1993-02-03)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0964112 A1 19991215; EP 0964112 B1 20040121; AT E258257 T1 20040215; DE 69914256 D1 20040226; DE 69914256 T2 20041118; ES 2213990 T3 20040901; FR 2779755 A1 19991217; FR 2779755 B1 20000721; PT 964112 E 20040630

DOCDB simple family (application)

EP 99401403 A 19990610; AT 99401403 T 19990610; DE 69914256 T 19990610; ES 99401403 T 19990610; FR 9807275 A 19980610; PT 99401403 T 19990610