(19)

(11)

EP 4 816 137 A2

(12)

(88) Date of publication A3: 13.11.2025 (43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24820568.4 (22) Date of filing: 29.11.2024

(51) International Patent Classification (IPC):  B27N 1/00(2006.01) B27N 3/12(2006.01) B27N 5/02(2006.01) D21F 5/12(2006.01) B27N 1/02(2006.01) B27N 3/04(2006.01) B27N 3/00(2006.01) B27N 5/00(2006.01) B27N 7/00(2006.01) D21F 9/00(2006.01) B27N 3/18(2006.01) B27N 3/16(2006.01) (52) Cooperative Patent Classification (CPC): D21F 9/00; D21F 5/12; B27N 3/04; B27N 5/00; B27N 5/02; B27N 3/007; B27N 7/005; B27N 1/00; B27N 3/12; B27N 3/18; B27N 1/029; B27N 3/16; B27L 11/08; D21B 1/066; D21B 1/068; B02C 18/18; B02C 18/2283; B02C 18/2258; B02C 18/22; B02C 18/182; B27G 13/005 (86) International application number: PCT/EP2024/084192 (87) International publication number: WO 2025/114583 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 US 202363604748 P (71) Applicant: Curt G Joa, Inc. Sheboygan Falls, Wisconsin 535085 (US)

(72) Inventors: ROEHRBORN, Scott A Sheboygan Falls, Wisconsin 53085 (US) VAN DE PAS, Hubert P Sheboygan Falls, Wisconsin 53085 (US) TERESINKI, Randy J Sheboygan Falls, Wisconsin 53085 (US) RAMMER, Megan A Sheboygan Falls, Wisconsin 53085 (US) FOLLEN, Sean P Sheboygan Falls, Wisconsin 53085 (US) KOCKEN, Phillip J Sheboygan Falls, Wisconsin 53085 (US) TIMM, Scott D Sheboygan Falls, Wisconsin 53085 (US) TURNER, Kyle C Sheboygan Falls, Wisconsin 53085 (US) BINNER, Nathan R Sheboygan Falls, Wisconsin 53085 (US) FLESCH, Joshua J Sheboygan Falls, Wisconsin 53085 (US) BROWN, Ryan A Sheboygan Falls, Wisconsin 53085 (US) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)