(19)

(11)

EP 1 766 744 A1

(12)

(43) Date of publication: 28.03.2007 Bulletin 2007/13 (21) Application number: 05753058.6 (22) Date of filing: 15.06.2005

(51) International Patent Classification (IPC):  H02G 3/14(2006.01) (86) International application number: PCT/EP2005/006423 (87) International publication number: WO 2006/002767 (12.01.2006 Gazette 2006/02)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 05.07.2004 IT MI20041341 (71) Applicant: Palazzoli S.p.A. 25128 Brescia (IT)	(72) Inventor: LEVI, Bruno I-25122 Brescia (IT) (74) Representative: Forattini, Amelia  Internazionale Brevetti Ingg. ZINI, MARANESI & C. S.r.l. Piazza Castello 1 20121 Milano 20121 Milano (IT)