(19)

(11)

EP 3 867 449 A1

(12)

(43) Date of publication: 25.08.2021 Bulletin 2021/34 (21) Application number: 18797135.3 (22) Date of filing: 16.10.2018

(51) International Patent Classification (IPC):  E01F 13/04(2006.01) E06B 11/04(2006.01) (86) International application number: PCT/IB2018/057992 (87) International publication number: WO 2020/079469 (23.04.2020 Gazette 2020/17)

(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: KH MA MD TN (71) Applicant: Guardiar Europe BVBA 8550 Zwevegem (BE)	(72) Inventor: MESSELIS, Timothy 8930 Lauwe (BE) (74) Representative: Brand Murray Fuller LLP  50 Eastcastle Street London W1W 8EA London W1W 8EA (GB)