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EP 4 437 190 A1

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(43) Date of publication: 02.10.2024 Bulletin 2024/40 (21) Application number: 22898003.3 (22) Date of filing: 24.11.2022

(51) International Patent Classification (IPC):  E03C 1/01(2006.01) E04B 1/348(2006.01) E04C 2/52(2006.01) F16L 59/12(2006.01) E03C 1/122(2006.01) E04C 1/39(2006.01) E04F 17/08(2006.01) F16L 59/14(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2/52; E04C 2/284; E04C 2/26; E04C 2/292; F16L 55/0336; E04B 1/34869; E04C 2/521; E04F 17/08 (86) International application number: PCT/FI2022/050784 (87) International publication number: WO 2023/094730 (01.06.2023 Gazette 2023/22)

(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: 26.11.2021 FI 20216210 (71) Applicant: Flow Modules Oy 01530 Vantaa (FI)	(72) Inventors: LINNA, Jukka 01530 Vantaa (FI) KAAKINEN, Petri 01530 Vantaa (FI) (74) Representative: Primrose Oy  Unioninkatu 24 00130 Helsinki 00130 Helsinki (FI)