(19)

(11)

EP 3 268 607 A1

(12)

(43) Date of publication: 17.01.2018 Bulletin 2018/03 (21) Application number: 16718503.2 (22) Date of filing: 03.03.2016

(51) International Patent Classification (IPC):  F04B 9/117(2006.01) F04B 15/02(2006.01) (86) International application number: PCT/NL2016/050147 (87) International publication number: WO 2016/144161 (15.09.2016 Gazette 2016/37)

(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: 09.03.2015 AU 2015900822 (71) Applicant: Weir Minerals Netherlands B.V. 5928 PH Venlo (NL)	(72) Inventors: WILMSEN, Arnoldus Gertrudis Hendrikus 5928 PH Venlo (NL) KEIJERS, Ronald Godefridus Anna 5928 PH Venlo (NL) (74) Representative: Algemeen Octrooi- en Merkenbureau B.V.  P.O. Box 645 5600 AP Eindhoven 5600 AP Eindhoven (NL)