(19)

(11)

EP 1 793 956 A1

(12)

(43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05799703.3 (22) Date of filing: 21.09.2005

(51) International Patent Classification (IPC):  B23C 3/35(2006.01) (86) International application number: PCT/US2005/033815 (87) International publication number: WO 2006/036694 (06.04.2006 Gazette 2006/14)

(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 LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 22.09.2004 IT PN20040066 28.12.2004 US 24219 (71) Applicant: Keyline S.r.l. 31015 Conegliano TV (IT)	(72) Inventors: FOSCAN, Eros I-31010 Mareno Di Piave (TV) (IT) URBAS, Ladd-E Mentor, OH 44060 (US) (74) Representative: Schumacher, Horst et al Grosse Bockhorni Schumacher Patent- und Rechtsanwälte Frühlingstrasse 43A 45133 Essen 45133 Essen (DE)