(19)

(11)

EP 1 977 490 A1

(12)

(43) Date of publication: 08.10.2008 Bulletin 2008/41 (21) Application number: 07704041.8 (22) Date of filing: 21.01.2007

(51) International Patent Classification (IPC):  H02G 5/06(2006.01) (86) International application number: PCT/EP2007/050573 (87) International publication number: WO 2007/085577 (02.08.2007 Gazette 2007/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 24.01.2006 IT RM20060031 (71) Applicants: Cresta, Massimo 05100 Terni (IT) Geri, Alberto 05100 Terni (IT)	(72) Inventors: Cresta, Massimo 05100 Terni (IT) Geri, Alberto 05100 Terni (IT) (74) Representative: Leone, Mario  Studio Associato LEONE & SPADARO Viale Europa, 15 00144 Roma 00144 Roma (IT)