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(11)

EP 3 405 674 A1

(12)

(43) Date of publication: 28.11.2018 Bulletin 2018/48 (21) Application number: 17700440.5 (22) Date of filing: 16.01.2017

(51) International Patent Classification (IPC):  F04B 43/00(2006.01) F04B 43/02(2006.01) (86) International application number: PCT/EP2017/050801 (87) International publication number: WO 2017/125349 (27.07.2017 Gazette 2017/30)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 21.01.2016 SE 1650067 (71) Applicant: Tetra Laval Holdings & Finance S.A. 1009 Pully (CH)	(72) Inventors: HALLIN, Per-Anders 226 49 Lund (SE) WENDESTAM, Nils 225 91 Lund (SE) SALMAN, Isac 214 21 Malmö (SE) STENBECK, Johan 211 47 Malmö (SE) (74) Representative: Tetra Pak - Patent Attorneys SE  AB Tetra Pak Patent Department Ruben Rausings gata 221 86 Lund 221 86 Lund (SE)