Global Patent Index - EP 1021678 A1

EP 1021678 A1 2000-07-26 - 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

EP 1021678 A1 (EN)

Application

EP 98950291 A

Priority

  • IT 9800265 W
  • IT RM970601 A

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 (main, further and additional classification)

F21S 3/14; F21V 3/00; F21V 8/00; F21V 19/02

IPC 8 full level (invention and additional information)

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 (invention and additional information)

F21S 2/00 (2013.01); F21V 3/00 (2013.01); F21V 5/02 (2013.01); F21V 19/02 (2013.01); G02B 6/0096 (2013.01); F21Y 2103/00 (2013.01)

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

WO 9918390 A1 19990415; AU 745328 B2 20020321; AU 9643298 A 19990427; EP 1021678 A1 20000726; IT 1295414 B1 19990512; IT RM970601 A1 19990407

INPADOC legal status


2002-11-13 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020508

2001-12-05 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20011024

2000-07-26 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000504

2000-07-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE