(19)

(11)

EP 4 189 188 A1

(12)

(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21769183.1 (22) Date of filing: 03.08.2021

(51) International Patent Classification (IPC):  E04B 2/86(2006.01) E04G 17/06(2006.01) E04G 17/14(2006.01) (52) Cooperative Patent Classification (CPC): E04B 2/8641; E04B 2/8647; E04B 2/8652; E04G 2017/0646; E04G 17/06; E04G 17/14 (86) International application number: PCT/IB2021/057090 (87) International publication number: WO 2022/029618 (10.02.2022 Gazette 2022/06)

(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: KH MA MD TN (30) Priority: 03.08.2020 IT 202000019012 (71) Applicant: ICF Italia S.r.l. 06039 Trevi (PG) (IT)	(72) Inventor: BAZZICA, Paolo 06039 Trevi (PG) (IT) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)