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(11)

EP 4 263 951 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21839671.1 (22) Date of filing: 13.12.2021

(51) International Patent Classification (IPC):  E02D 7/06(2006.01) E02D 7/18(2006.01) E02D 13/04(2006.01) E04H 17/26(2006.01) E02D 7/16(2006.01) E02D 11/00(2006.01) E02D 15/08(2006.01) (52) Cooperative Patent Classification (CPC): E02D 7/18; E02D 7/06; E02D 15/08; E02D 7/16; E02D 11/00; E02D 13/04; E04H 17/263 (86) International application number: PCT/IB2021/061636 (87) International publication number: WO 2022/130170 (23.06.2022 Gazette 2022/25)

(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: 16.12.2020 IT 202000030965 (71) Applicant: Orteco - S.r.l. 40011 Anzola dell'Emilia (BO) (IT)	(72) Inventor: TASSINARI, Sergio 40011 Anzola dell'Emilia (BO) (IT) (74) Representative: Grana, Daniele  BRUNACCI & PARTNERS S.r.l. Via Pietro Giardini, 625 41125 Modena (MO) 41125 Modena (MO) (IT)