(19)

(11)

EP 1 869 265 A1

(12)

(43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06723648.9 (22) Date of filing: 23.03.2006

(51) International Patent Classification (IPC):  E04B 9/12(2006.01) (86) International application number: PCT/EP2006/002656 (87) International publication number: WO 2006/100068 (28.09.2006 Gazette 2006/39)

(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 HR (30) Priority: 25.03.2005 IT VE20050010 U (71) Applicant: ATENA S.R.L. 30020 - Gruaro (IT)	(72) Inventor: BARBUIO, Mauro I-30020 - Gruaro (IT) (74) Representative: Piovesana, Paolo  Via F. Baracca, 5/a 30173 Venezia-Mestre 30173 Venezia-Mestre (IT)