(19)

(11)

EP 2 250 337 A1

(12)

(43) Date of publication: 17.11.2010 Bulletin 2010/46 (21) Application number: 09707001.5 (22) Date of filing: 28.01.2009

(51) International Patent Classification (IPC):  E06B 3/54(2006.01) (86) International application number: PCT/IT2009/000023 (87) International publication number: WO 2009/095945 (06.08.2009 Gazette 2009/32)

(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 TR Designated Extension States: AL BA RS (30) Priority: 01.02.2008 IT RA20080006 (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  Roncuzzi & Associati S.r.l. Via Antica Zecca, 6 IT-48121 Ravenna IT-48121 Ravenna (IT)