EP 1271049 A3 20030205 - Process for the production of diffusing screens for lighting appliances and the diffusing screen thus obtained
Title (en)
Process for the production of diffusing screens for lighting appliances and the diffusing screen thus obtained
Title (de)
Verfahren zur Herstellung von Streuschirmen für Leuchteinrichtungen und die dadurch hergestellten Streuschirme
Title (fr)
Procédé de fabrication d' un ecran de diffusion pour dispositif d' eclairage et ecran de diffusion ainsi obtenu
Publication
Application
Priority
IT MI20011368 A 20010628
Abstract (en)
[origin: EP1271049A2] A process for the production of diffusing screens (12) of light radiation for lighting appliances (11), according to which a series of elements (15) is obtained, which form one or more patterns or finishes, on at least one polycarbonate sheet (16), used as a diffusing screen (12), by means of the drawing technology. <IMAGE>
IPC 1-7
IPC 8 full level
F21V 3/00 (2006.01); F21V 5/00 (2006.01); F21V 3/04 (2006.01)
CPC (source: EP US)
F21V 3/00 (2013.01 - EP US); F21V 5/00 (2013.01 - EP US); F21V 3/04 (2013.01 - EP)
Citation (search report)
- [XY] US 3862505 A 19750128 - JEROMA RUDOLF
- [YA] US 5247390 A 19930921 - HED AHARON Z [US]
- [A] US 3735124 A 19730522 - STAHLHUT L
- [A] US 5123722 A 19920623 - MEYMAND DARLENE K [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1271049 A2 20030102; EP 1271049 A3 20030205; HK 1049690 A1 20030523; IT MI20011368 A0 20010628; IT MI20011368 A1 20021228; NO 20023113 D0 20020627; NO 20023113 L 20021230
DOCDB simple family (application)
EP 02077517 A 20020625; HK 03100933 A 20030207; IT MI20011368 A 20010628; NO 20023113 A 20020627