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(11)

EP 4 739 938 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24736135.5 (22) Date of filing: 19.06.2024

(51) International Patent Classification (IPC):  F16L 43/00(2006.01) F16L 45/00(2006.01) C12M 1/00(2006.01) B65G 53/52(2006.01) F16L 57/06(2006.01) (52) Cooperative Patent Classification (CPC): F16L 57/06; F16L 43/003; F16L 43/001; F16L 45/00; B65G 53/523 (86) International application number: PCT/SE2024/050603 (87) International publication number: WO 2025/014412 (16.01.2025 Gazette 2025/03)

(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: 07.07.2023 SE 2330320 (71) Applicant: Valmet AB 851 94 Sundsvall (SE)	(72) Inventors: WAHLBERG, Robert 852 40 Sundsvall (SE) HÄGGLUND, Christer 861 38 Bergeforsen (SE)