(19)

(11)

EP 2 398 991 A1

(12)

(43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 10711769.9 (22) Date of filing: 17.02.2010

(51) International Patent Classification (IPC):  E06B 3/54(2006.01) (86) International application number: PCT/IT2010/000098 (87) International publication number: WO 2010/095162 (26.08.2010 Gazette 2010/34)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 18.02.2009 IT RA20090006 (71) Applicant: Erreti S.R.L. 48010 Bagnara di Romagna (RA) (IT)	(72) Inventor: AVVANZINI, Ugo I-48010 Bagnara di Romagna (RA) (IT) (74) Representative: Roncuzzi, Davide et al Roncuzzi & Associati S.r.l. Via Antica Zecca, 6 48121 Ravenna 48121 Ravenna (IT)