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(11)

EP 4 158 281 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21734207.0 (22) Date of filing: 24.05.2021

(51) International Patent Classification (IPC):  G01D 5/353(2006.01) G08B 21/10(2006.01) G01V 1/00(2006.01) G01V 9/00(2006.01) G01B 11/16(2006.01) E01F 7/04(2006.01) G01V 1/28(2006.01) (52) Cooperative Patent Classification (CPC): G01D 5/35316; G01V 1/008; G01V 1/288; G01D 5/35374; G08B 21/10; G01V 1/226; G01H 9/004; G01V 8/02 (86) International application number: PCT/IB2021/054482 (87) International publication number: WO 2021/240338 (02.12.2021 Gazette 2021/48)

(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: 25.05.2020 IT 202000012223 (71) Applicant: Peak Fiber Innovations S.r.l. 39100 Bolzano (IT)	(72) Inventors: PLATINI, Massimo 00178 Roma (IT) ANGHEBEN, Tullio West Bay Doha (QA) (74) Representative: Postiglione, Ferruccio et al Praxi Intellectual Property S.p.A. Via Mario Pagano, 69/A 20145 Milano 20145 Milano (IT)