(19)

(11)

EP 3 655 589 A1

(12)

(43) Date of publication: 27.05.2020 Bulletin 2020/22 (21) Application number: 18836057.2 (22) Date of filing: 18.07.2018

(51) International Patent Classification (IPC):  E01F 13/12(2006.01) E01F 13/04(2006.01) (86) International application number: PCT/IL2018/050797 (87) International publication number: WO 2019/016812 (24.01.2019 Gazette 2019/04)

(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 (30) Priority: 18.07.2017 US 201762533745 P (71) Applicant: Klein, Amos 2630743 Haifa (IL)	(72) Inventor: Klein, Amos 2630743 Haifa (IL) (74) Representative: Beck & Rössig European Patent Attorneys  Cuvilliésstraße 14 81679 München 81679 München (DE)