(19)

(11)

EP 3 329 061 A1

(12)

(43) Date of publication: 06.06.2018 Bulletin 2018/23 (21) Application number: 16766362.4 (22) Date of filing: 26.07.2016

(51) International Patent Classification (IPC):  E04B 1/74(2006.01) F24F 5/00(2006.01) E04B 1/80(2006.01) (86) International application number: PCT/IB2016/054457 (87) International publication number: WO 2017/017608 (02.02.2017 Gazette 2017/05)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 30.07.2015 IT UB20152620 (71) Applicant: Ghisellini, Roberto 40017 San Giovanni In Persiceto (Bologna) (IT)	(72) Inventor: Ghisellini, Roberto 40017 San Giovanni In Persiceto (Bologna) (IT) (74) Representative: Fanzini, Valeriano  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)