(19)

(11)

EP 2 004 915 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07724047.1 (22) Date of filing: 05.04.2007

(51) International Patent Classification (IPC):  E02B 3/12(2006.01) E04B 1/62(2006.01) E02B 3/16(2006.01) (86) International application number: PCT/EP2007/003106 (87) International publication number: WO 2007/118622 (25.10.2007 Gazette 2007/43)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 13.04.2006 IT MI20060748 (71) Applicant: Ferlat Acciai S.P.A. 36077 Altavilla, Vicentina (IT)	(72) Inventor: AMENDUNI, Nicola 36100 Vicenza (IT) (74) Representative: Modiano, Micaela Nadia  Dr. Modiano & Associati SpA Via Meravigli 16 20123 Milano 20123 Milano (IT)