(19)

(11)

EP 3 545 145 A1

(12)

(43) Date of publication: 02.10.2019 Bulletin 2019/40 (21) Application number: 17822451.5 (22) Date of filing: 27.11.2017

(51) International Patent Classification (IPC):  E04B 1/20(2006.01) E04B 5/04(2006.01) E04B 1/21(2006.01) (86) International application number: PCT/IB2017/057417 (87) International publication number: WO 2018/096509 (31.05.2018 Gazette 2018/22)

(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: 25.11.2016 IT 201600119619 (71) Applicant: Gruppo Piccini S.p.A. 20129 Milano (IT)	(72) Inventor: SUAREZ LUGO, Hernando Ramon 00139 Roma (IT) (74) Representative: Celona, Antonio et al Notarbartolo & Gervasi S.p.A. Corso di Porta Vittoria, 9 20122 Milano 20122 Milano (IT)