(19)

(11)

EP 4 263 948 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21834896.9 (22) Date of filing: 06.12.2021

(51) International Patent Classification (IPC):  E01F 15/04(2006.01) (52) Cooperative Patent Classification (CPC): E01F 15/0461; E01F 15/0476 (86) International application number: PCT/IB2021/061370 (87) International publication number: WO 2022/130115 (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 202000030929 (71) Applicant: Stratec RT Srl 39100 Balzano (IT)	(72) Inventor: NIEDERKOFLER, Hannes 39100 Bolzano (IT) (74) Representative: Bruni, Giovanni  Laforgia, Bruni & Partners Corso Duca degli Abruzzi, 2 10128 Torino 10128 Torino (IT)