(19)

(11)

EP 2 252 425 A1

(12)

(43) Date of publication: 24.11.2010 Bulletin 2010/47 (21) Application number: 09709705.9 (22) Date of filing: 10.02.2009

(51) International Patent Classification (IPC):  B23K 9/29(2006.01) B23K 9/32(2006.01) (86) International application number: PCT/IB2009/000282 (87) International publication number: WO 2009/101529 (20.08.2009 Gazette 2009/34)

(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: 13.02.2008 IT VI20080037 (71) Applicant: TRAFIMET S.P.A. 36020 Castegnero (VI) (IT)	(72) Inventors: PRIORI, Mario I-36021 Barbarano Vicentino (VI) (IT) SIMIONI, Ugo I-36100 Vicenza (VI) (IT) (74) Representative: Ziliotto, Tiziano  Studio Ziliotto Contrada Porta S. Lucia, 48 36100 Vicenza 36100 Vicenza (IT)