EP 0409486 A1 19910123 - Vertical louver venetian blind having contoured longitudinal edge louvers.
Title (en)
Vertical louver venetian blind having contoured longitudinal edge louvers.
Title (de)
Vertikaljalousie mit seitlichen Kanten, die eine profilierte Kontur aufweisen.
Title (fr)
Rideau à lamelles verticales avec des cÔtés longitudinaux contournés.
Publication
Application
Priority
US 38252889 A 19890719
Abstract (en)
A vertical louver type venetian blind having a plurality of vertical louvers (12) supported for rotation about their longitudinal axes, and wherein each louver has at least one nonrectilinear contoured longitudinal marginal edge (18a,18b,18c,18d) such that corresponding contoured edges of the louvers create, in various embodiments, generally three-dimensional optical illusion effects when light is emitted through the blind so as to impinge inwardly facing side surfaces of the louvers and when the blind is viewed from interiorly of the corresponding room at an angle of inclination of the planes of the louvers.
IPC 1-7
IPC 8 full level
E06B 7/086 (2006.01); E06B 7/00 (2006.01); E06B 9/36 (2006.01); E06B 9/386 (2006.01)
CPC (source: EP)
E06B 9/386 (2013.01)
Citation (search report)
- [A] FR 2289715 A1 19760528 - CHARNAY YVES [FR]
- [A] DE 2313981 A1 19740926 - REUTLINGER KLAUS ULRICH
- [A] DE 2843405 A1 19800424 - HALOUSKA FRANZ
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0409486 A1 19910123; CA 2020850 A1 19910120; JP H03132576 A 19910605
DOCDB simple family (application)
EP 90307625 A 19900712; CA 2020850 A 19900710; JP 19183490 A 19900719