(19)

(11)

EP 3 212 851 A1

(12)

(43) Date of publication: 06.09.2017 Bulletin 2017/36 (21) Application number: 15808784.1 (22) Date of filing: 02.11.2015

(51) International Patent Classification (IPC):  E02D 9/04(2006.01) (86) International application number: PCT/IB2015/058460 (87) International publication number: WO 2016/067272 (06.05.2016 Gazette 2016/18)

(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: 31.10.2014 BE 201400824 (71) Applicant: D.E.C.O. Nv 8000 Brugge (BE)	(72) Inventors: VAN DROMME, Martin B-8000 Brugge (BE) LEHOUCK, Chris B-8000 Brugge (BE) (74) Representative: Brantsandpatents bvba  Pauline Van Pottelsberghelaan 24 9051 Ghent 9051 Ghent (BE)