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EP 4 267 877 A1

(12)

(43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21844399.2 (22) Date of filing: 21.12.2021

(51) International Patent Classification (IPC):  F16L 25/02(2006.01) B23K 1/00(2006.01) F16L 33/207(2006.01) E03C 1/02(2006.01) B21D 1/00(2006.01) E03C 1/00(2006.01) B60H 1/00(2006.01) F16L 33/01(2006.01) (52) Cooperative Patent Classification (CPC): F16L 33/207; F16L 25/02; F16L 13/02; F16L 33/2073; F16L 33/01 (86) International application number: PCT/IB2021/062067 (87) International publication number: WO 2022/137101 (30.06.2022 Gazette 2022/26)

(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: 22.12.2020 IT 202000031820 (71) Applicant: Giacomini S.p.A. 28017 San Maurizio d'Opaglio (NO) (IT)

(72) Inventors: ARRUS, Paolo 28017 San Maurizio d'Opaglio (Novara) (IT) FANTONI, Matteo 28017 San Maurizio d'Opaglio (Novara) (IT) ROSA BRUSIN, Marco 28017 San Maurizio d'Opaglio (Novara) (IT) SAVOINI, Michele 28017 San Maurizio d'Opaglio (Novara) (IT) ZUFFELLATO, Andrea 28017 San Maurizio d'Opaglio (Novara) (IT) (74) Representative: Postiglione, Ferruccio et al Praxi Intellectual Property S.p.A. Via Mario Pagano, 69/A 20145 Milano 20145 Milano (IT)