(19)

(11)

EP 2 576 936 A1

(12)

(43) Date of publication: 10.04.2013 Bulletin 2013/15 (21) Application number: 10737116.3 (22) Date of filing: 01.06.2010

(51) International Patent Classification (IPC):  E04D 3/28(2006.01) E04D 3/38(2006.01) (86) International application number: PCT/IT2010/000246 (87) International publication number: WO 2011/151850 (08.12.2011 Gazette 2011/49)

(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 SE SI SK SM TR (71) Applicant: Ghidi, Enrico 21040 Gornate Olona (VA) (IT)	(72) Inventor: Ghidi, Enrico 21040 Gornate Olona (VA) (IT) (74) Representative: Gislon, Gabriele  Marietti, Gislon e Trupiano S.r.l. Via Larga 16 20122 Milano 20122 Milano (IT)