(19)

(11)

EP 1 631 947 A2

(12)

(88) Date of publication A3: 27.01.2005 (43) Date of publication: 08.03.2006 Bulletin 2006/10 (21) Application number: 04736256.1 (22) Date of filing: 07.06.2004

(51) International Patent Classification (IPC):  G08C 19/28(1968.09) (86) International application number: PCT/IT2004/000329 (87) International publication number: WO 2004/109619 (16.12.2004 Gazette 2004/51)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 10.06.2003 IT BS20030053 (71) Applicant: Rib S.r.l. 25014 Castenedolo (Brescia) (IT)	(72) Inventor: BOSIO, Stefano I-25014 Castenedolo (IT) (74) Representative: Sangiacomo, Fulvia et al BIESSE S.R.L., Corso Matteotti 42 25122 Brescia 25122 Brescia (IT)