EP 1021678 A1 20000726 - A LINEAR LIGHTING DEVICE HAVING CO-EXTRUDED INTERNALLY PRISMATICALLY SCORED SCREENS
Title (en)
A LINEAR LIGHTING DEVICE HAVING CO-EXTRUDED INTERNALLY PRISMATICALLY SCORED SCREENS
Title (de)
LINEARE BELEUCHTUNGSEINRICHTUNG MIT KOEXTRUDIERTEN, AUF DER INNENSEITE STRUKTURIERTEN ABDECKUNGEN
Title (fr)
DISPOSITIF D'ECLAIRAGE LINEAIRE COMPORTANT DES ECRANS CO-EXTRUDES QUI POSSEDENT DES HACHURES INTERNES ET PRISMATIQUES
Publication
Application
Priority
- IT 9800265 W 19981002
- IT RM970601 A 19971006
Abstract (en)
[origin: WO9918390A1] This invention relates to a linear lighting device (1) comprising a light propagation and/or emission conduct (2) including one or more longitudinal light transmissive portions and one or more non-light transmissive portions, characterized in that said light transmissive portions are provided with one or more screens (3; 3') or with a tubular light transmissive structure, said screens being made of a co-extruded plastic material comprised of a first inner layer of transparent plastic material and of a second outer layer of a plastic material, suitably treated in order to make it opalescent, a prismatic scoring being provided in the inner surface of said transparent layer.
IPC 1-7
IPC 8 full level
F21S 2/00 (2006.01); F21V 3/00 (2006.01); F21V 5/02 (2006.01); F21V 8/00 (2006.01); F21V 19/02 (2006.01)
CPC (source: EP US)
F21S 2/00 (2013.01 - EP US); F21V 3/00 (2013.01 - EP); F21V 5/02 (2013.01 - EP US); F21V 19/02 (2013.01 - EP); G02B 6/0096 (2013.01 - EP); F21Y 2103/00 (2013.01 - EP US)
Citation (search report)
See references of WO 9918390A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9918390 A1 19990415; AU 745328 B2 20020321; AU 9643298 A 19990427; EP 1021678 A1 20000726; IT 1295414 B1 19990512; IT RM970601 A1 19990406
DOCDB simple family (application)
IT 9800265 W 19981002; AU 9643298 A 19981002; EP 98950291 A 19981002; IT RM970601 A 19971006