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(11)

EP 4 363 133 A1

(12)

(43) Date of publication: 08.05.2024 Bulletin 2024/19 (21) Application number: 22744846.1 (22) Date of filing: 30.06.2022

(51) International Patent Classification (IPC):  B21D 7/08(2006.01) G01B 7/28(2006.01) B21D 7/14(2006.01) B21D 11/12(2006.01) G01B 11/24(2006.01) (52) Cooperative Patent Classification (CPC): B21D 11/12; B21D 7/08; B21D 7/14; G01B 11/16; G01B 11/255 (86) International application number: PCT/IT2022/050190 (87) International publication number: WO 2023/275907 (05.01.2023 Gazette 2023/01)

(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: 01.07.2021 IT 202100017426 (71) Applicant: Schnell S.p.A. 61036 Colli al Metauro (PU) (IT)	(72) Inventor: RUPOLI, Alberto 61036 Colli al Metauro (PU) (IT) (74) Representative: Manzella & Associati  Via dell'Indipendenza, 13 40121 Bologna 40121 Bologna (IT)