(19)

(11)

EP 2 176 034 A2

(12)

(88) Date of publication A3: 12.03.2009 (43) Date of publication: 21.04.2010 Bulletin 2010/16 (21) Application number: 08776333.0 (22) Date of filing: 07.07.2008

(51) International Patent Classification (IPC):  B25B 27/00(2006.01) B21J 15/22(2006.01) (86) International application number: PCT/IB2008/001778 (87) International publication number: WO 2009/007825 (15.01.2009 Gazette 2009/03)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 10.07.2007 IT BO20070469 (71) Applicant: OBER S.p.A. 40057 Cadriano Di Granarolo dell'Emilia (IT)	(72) Inventor: PRETI, Giuseppe I-40127 Bologna (IT) (74) Representative: Dall'Olio, Giancarlo  Invention S.r.l. Via delle Armi 1 40137 Bologna 40137 Bologna (IT)