(19)

(11)

EP 2 310 537 A1

(12)

(43) Date of publication: 20.04.2011 Bulletin 2011/16 (21) Application number: 09761611.4 (22) Date of filing: 27.05.2009

(51) International Patent Classification (IPC):  C14B 5/00(2006.01) B26F 1/16(2006.01) (86) International application number: PCT/EP2009/056426 (87) International publication number: WO 2009/150048 (17.12.2009 Gazette 2009/51)

(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 TR Designated Extension States: AL BA RS (30) Priority: 10.06.2008 IT BO20080368 (71) Applicant: Teseo S.p.A. 63023 Fermo (Ascoli Piceno) (IT)	(72) Inventor: GALLUCCI, Gianni I-63015 Monte Urano (Ascoli Piceno) (IT) (74) Representative: Dall'Olio, Giancarlo et al Invention S.r.l. Via delle Armi 1 40137 Bologna 40137 Bologna (IT)