(19)

(11)

EP 3 746 601 A1

(12)

(43) Date of publication: 09.12.2020 Bulletin 2020/50 (21) Application number: 19705589.0 (22) Date of filing: 24.01.2019

(51) International Patent Classification (IPC):  E01F 13/08(2006.01) E01F 13/12(2006.01) (86) International application number: PCT/IT2019/050018 (87) International publication number: WO 2019/150406 (08.08.2019 Gazette 2019/32)

(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: 30.01.2018 IT 201800002198 (71) Applicant: Mucciarini, Graziano 41026 Pavullo nel Frignano (IT)	(72) Inventor: Mucciarini, Graziano 41026 Pavullo nel Frignano (IT) (74) Representative: GCA S.R.L.  Via Scaglia Est 144 41126 Modena 41126 Modena (IT)