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(11)

EP 2 255 046 A1

(12)

(43) Date of publication: 01.12.2010 Bulletin 2010/48 (21) Application number: 08763775.7 (22) Date of filing: 19.03.2008

(51) International Patent Classification (IPC):  E04G 1/15(2006.01) E04G 5/08(2006.01) (86) International application number: PCT/IT2008/000179 (87) International publication number: WO 2009/116096 (24.09.2009 Gazette 2009/39)

(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 (71) Applicant: Marcegaglia Buildtech S.R.L 46040 Gazoldo Degli Ippoliti (MN) (IT)	(72) Inventors: VIOLANTE, Vincenzo I-84127 Cava Dè Tirreni (SA) (IT) CURTI, Stefano I-26841 Mortara (PV) (IT) (74) Representative: Rapisardi, Mariacristina  Ufficio Brevetti Rapisardi S.r.l. Via Serbelloni 12 20122 Milano 20122 Milano (IT)