(19)

(11)

EP 3 740 620 A1

(12)

(43) Date of publication: 25.11.2020 Bulletin 2020/48 (21) Application number: 19711437.4 (22) Date of filing: 11.01.2019

(51) International Patent Classification (IPC):  E02B 3/04(2006.01) E02B 3/12(2006.01) E02D 29/02(2006.01) (86) International application number: PCT/IT2019/000002 (87) International publication number: WO 2019/138436 (18.07.2019 Gazette 2019/29)

(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: 15.01.2018 IT 201800000776 U (71) Applicant: S.I.IM. S.R.L. 40125 Bologna (IT)	(72) Inventor: ZACCARDI, Carlo 40125 Bologna (IT) (74) Representative: Firmati, Leonardo  IXNEA S.r.l. Via Quirico Baldinucci, 14a 59100 Prato 59100 Prato (IT)