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(11)

EP 4 493 371 A2

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(88) Date of publication A3: 09.11.2023 (43) Date of publication: 22.01.2025 Bulletin 2025/04 (21) Application number: 23710054.0 (22) Date of filing: 13.03.2023

(51) International Patent Classification (IPC):  B27N 3/00(2006.01) (52) Cooperative Patent Classification (CPC): B29C 59/005; B29C 2037/80; B27N 3/04; B27N 3/18; B27N 5/00; B29C 70/12; B29C 70/30; B29C 70/545; B29C 2793/0018; B29C 2793/0045; B29C 2793/0054; B29C 2793/0081; B29K 2001/00; B31F 2201/0702; B31F 2201/0761; B31F 2201/0797; B32B 2317/00; B44C 3/005; B29C 53/04; B29C 53/84; B31F 1/0003; B31F 1/0009; B31F 5/04; B42D 25/405; B42D 25/305; B42D 25/36; B31F 1/0012; B31F 1/07; B29C 70/42; B27N 3/002; B42D 25/455; B42D 25/46; B31D 5/02; B42D 25/346; B42D 25/324 (86) International application number: PCT/EP2023/056373 (87) International publication number: WO 2023/174887 (21.09.2023 Gazette 2023/38)

(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: KH MA MD TN (30) Priority: 14.03.2022 EP 22161907 (71) Applicant: PaperShell AB 543 50 Tibro (SE)	(72) Inventors: BERGSTRÖM, Anders 542 30 Mariestad (SE) BREITHOLTZ, Anders 426 71 Västra Frölunda (SE) (74) Representative: AWA Sweden AB  Matrosgatan 1 Box 5117 200 71 Malmö 200 71 Malmö (SE)