(19)

(11)

EP 4 816 098 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24817275.1 (22) Date of filing: 28.11.2024

(51) International Patent Classification (IPC):  B04B 1/20(2006.01) (52) Cooperative Patent Classification (CPC): B04B 1/20; B04B 2001/2083; B04B 2001/2041; B04B 2001/205 (86) International application number: PCT/EP2024/084012 (87) International publication number: WO 2025/114493 (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 EP 23213451 30.11.2023 EP 23213452 30.11.2023 EP 23213454 30.11.2023 EP 23213455 (71) Applicant: Alfa Laval Corporate AB 221 00 Lund (SE)	(72) Inventor: MADSEN, Bent 2820 GENTOFTE (DK) (74) Representative: Alfa Laval Attorneys  Alfa Laval Corporate AB Group Patent P.O. Box 73 221 00 Lund 221 00 Lund (SE)