(19)

(11)

EP 4 380 741 A1

(12)

(43) Date of publication: 12.06.2024 Bulletin 2024/24 (21) Application number: 22761779.2 (22) Date of filing: 04.08.2022

(51) International Patent Classification (IPC):  B21D 45/02(2006.01) B21D 51/26(2006.01) (52) Cooperative Patent Classification (CPC): B21D 51/26; B21D 45/02; B21D 51/2638 (86) International application number: PCT/US2022/039489 (87) International publication number: WO 2023/014923 (09.02.2023 Gazette 2023/06)

(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: 05.08.2021 US 202163229887 P (71) Applicant: Belvac Production Machinery, Inc. Lynchburg VA 24502-4203 (US)	(72) Inventors: MCKINNEY, Larry, D. Lynchburg, Virginia 24502-4203 (US) SHORTRIDGE, Jeffrey, Lee Lynchburg, Virginia 24502-4203 (US) (74) Representative: Studio Torta S.p.A.  Via Viotti, 9 10121 Torino 10121 Torino (IT)