(19)

(11)

EP 4 103 790 A1

(12)

(43) Date of publication: 21.12.2022 Bulletin 2022/51 (21) Application number: 21711365.3 (22) Date of filing: 12.02.2021

(51) International Patent Classification (IPC):  E04B 1/62(2006.01) B32B 3/08(2006.01) B32B 3/28(2006.01) B32B 5/18(2006.01) B32B 15/04(2006.01) B32B 19/00(2006.01) F16B 5/00(2006.01) B32B 3/04(2006.01) E04C 2/292(2006.01) B32B 3/26(2006.01) B32B 5/02(2006.01) B32B 15/00(2006.01) B32B 15/14(2006.01) B32B 19/04(2006.01) B32B 37/00(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2/292; B32B 3/26; B32B 5/18; B32B 15/046; B32B 5/02; B32B 15/14; B32B 19/00; B32B 19/041; B32B 15/00; B32B 2250/03; B32B 2250/40; B32B 2307/304; B32B 2607/00; B32B 3/28; B32B 3/04; F16B 5/0004; E04B 1/14; E04B 1/80 (86) International application number: PCT/IB2021/051169 (87) International publication number: WO 2021/161238 (19.08.2021 Gazette 2021/33)

(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: 14.02.2020 IT 202000002980 (71) Applicant: Robor SRL 31055 Quinto di Treviso (TV) (IT)	(72) Inventor: BORSATO, Simone 31055 Quinto di Treviso (TV) (IT) (74) Representative: Citron, Massimiliano  Via Primo Maggio, 6 31020 San Fior (TV) 31020 San Fior (TV) (IT)