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EP 4 408 608 A1

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(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22793597.0 (22) Date of filing: 26.09.2022

(51) International Patent Classification (IPC):  B23P 15/14(2006.01) B21D 53/88(2006.01) B60N 2/16(2006.01) F16H 55/02(2006.01) B21D 53/28(2006.01) B21K 1/30(2006.01) B60N 2/235(2006.01) (52) Cooperative Patent Classification (CPC): B23P 15/14; B21D 53/28; B60N 2/16; B60N 2/2352; F16H 55/02; B21D 53/88; B60N 2/165; B60N 2/1864; B21D 28/10; B21D 35/006; B21J 5/002; B21J 5/08 (86) International application number: PCT/IB2022/059124 (87) International publication number: WO 2023/047373 (30.03.2023 Gazette 2023/13)

(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: 27.09.2021 IT 202100024698 (71) Applicant: Util Industries S.p.A. 14019 Villanova D'Asti (AT) (IT)	(72) Inventor: VIRONDA, Raffaele Gabriele 10121 Torino (TO) (IT) (74) Representative: Robba, Pierpaolo  Interpatent S.R.L. Via Caboto, 35 10129 Torino 10129 Torino (IT)