(19)

(11)

EP 2 516 760 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10788343.1 (22) Date of filing: 13.12.2010

(51) International Patent Classification (IPC):  E04B 1/41(2006.01) E04B 2/94(2006.01) (86) International application number: PCT/EP2010/069544 (87) International publication number: WO 2011/076606 (30.06.2011 Gazette 2011/26)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 24.12.2009 IT MI20092301 (71) Applicants: Zambelli, Sergio 24050 Zanica (Bergamo) (IT) Zambelli, Benito 24050 Zanica (Bergamo) (IT)	(72) Inventors: Zambelli, Sergio 24050 Zanica (Bergamo) (IT) Zambelli, Benito 24050 Zanica (Bergamo) (IT) (74) Representative: Modiano, Micaela Nadia et al Modiano & Partners (IT) Via Meravigli, 16 20123 Milano 20123 Milano (IT)