(19)

(11)

EP 4 211 321 A1

(12)

(43) Date of publication: 19.07.2023 Bulletin 2023/29 (21) Application number: 21766224.6 (22) Date of filing: 30.08.2021

(51) International Patent Classification (IPC):  E04C 2/32(2006.01) E04C 2/34(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2002/3466; E04C 2/326; E04C 2/3405 (86) International application number: PCT/IB2021/057902 (87) International publication number: WO 2022/049472 (10.03.2022 Gazette 2022/10)

(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: 07.09.2020 IT 202000021148 (71) Applicant: Euganea Pannelli Srl 36020 Campiglia Dei Berici (VI) (IT)	(72) Inventor: PADOVAN, Enrico 36020 Campiglia Dei Berici (VI) (IT) (74) Representative: Rocchetto, Elena  Ufficio Veneto Brevetti S.r.l. Via Sorio, 116 35141 Padova 35141 Padova (IT)