(19)

(11)

EP 1 576 557 A1

(12)

(43) Date of publication: 21.09.2005 Bulletin 2005/38 (21) Application number: 03786217.4 (22) Date of filing: 18.12.2003

(51) International Patent Classification (IPC)7: G08B 13/08 (86) International application number: PCT/IT2003/000838 (87) International publication number: WO 2004/059590 (15.07.2004 Gazette 2004/29)

(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 PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 24.12.2002 IT BS20020130 U (71) Applicant: Rib S.r.l. 25014 Castenedolo (IT)	(72) Inventor: BOSIO, Giuseppe I-25014 Castenedolo (IT) (74) Representative: Sangiacomo, Fulvia  BIESSE S.R.L., Corso Matteotti 42 25122 Brescia 25122 Brescia (IT)