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(11)

EP 4 392 609 A1

(12)

(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22777055.9 (22) Date of filing: 23.08.2022

(51) International Patent Classification (IPC):  D21J 1/00(2006.01) D21H 19/34(2006.01) D21J 1/16(2006.01) (52) Cooperative Patent Classification (CPC): D21J 1/165; D21J 1/00; D21H 11/18 (86) International application number: PCT/US2022/041240 (87) International publication number: WO 2023/028067 (02.03.2023 Gazette 2023/09)

(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: 24.08.2021 US 202163236371 P (71) Applicant: W.R. Meadows, Inc. Hampshire, IL 60140-0338 (US)	(72) Inventor: CUSTER, Mark W. Danville, Illinois 24540 (US) (74) Representative: Müller, Christian Stefan Gerd  ZSP Patentanwälte PartG mbB Hansastraße 32 80686 München 80686 München (DE)