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(11)

EP 3 157 690 A1

(12)

(43) Date of publication: 26.04.2017 Bulletin 2017/17 (21) Application number: 14738357.4 (22) Date of filing: 17.06.2014

(51) International Patent Classification (IPC):  B08B 9/032(2006.01) B08B 9/08(2006.01) (86) International application number: PCT/CH2014/000082 (87) International publication number: WO 2015/192254 (23.12.2015 Gazette 2015/51)

(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 (71) Applicant: Tetra Laval Holdings & Finance S.A. 1009 Pully (CH)	(72) Inventor: EGGLER, Thomas CH-4852 Rothrist (CH) (74) Representative: Tetra Pak - Patent Attorneys SE  AB Tetra Pak Patent Department Ruben Rausings gata 22186 Lund 22186 Lund (SE)