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(11)

EP 2 391 478 A1

(12)

(43) Date of publication: 07.12.2011 Bulletin 2011/49 (21) Application number: 10706376.0 (22) Date of filing: 27.01.2010

(51) International Patent Classification (IPC):  B24B 7/22(2006.01) B24D 7/16(2006.01) B24D 3/28(2006.01) B24D 7/06(2006.01) B24B 41/047(2006.01) (86) International application number: PCT/IB2010/050365 (87) International publication number: WO 2010/086801 (05.08.2010 Gazette 2010/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 27.01.2009 IT MI20090091 (71) Applicant: Leg Italia S.r.l. 21040 Venegono Superiore (VA) (IT)	(72) Inventor: GAMBA, Luciano I-21040 Venegono Superiore (VA) (IT) (74) Representative: Giavarini, Francesco et al Zanoli & Giavarini S.r.l. Via Melchiorre Gioia, 64 20125 Milano 20125 Milano (IT)