(19)

(11)

EP 3 469 159 A1

(12)

(43) Date of publication: 17.04.2019 Bulletin 2019/16 (21) Application number: 17733750.8 (22) Date of filing: 09.06.2017

(51) International Patent Classification (IPC):  E03F 5/04(2006.01) E03F 5/06(2006.01) (86) International application number: PCT/EP2017/064205 (87) International publication number: WO 2017/212060 (14.12.2017 Gazette 2017/50)

(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: 09.06.2016 BE 201605432 (71) Applicant: De Denkfabriek BVBA 2220 Heist-op-den-Berg (BE)	(72) Inventor: STEYLAERTS, Peter B-2235 Hulshout (BE) (74) Representative: IPLodge bvba  Technologielaan 9 3001 Heverlee 3001 Heverlee (BE)