(19)

(11)

EP 3 710 643 A1

(12)

(43) Date of publication: 23.09.2020 Bulletin 2020/39 (21) Application number: 18793392.4 (22) Date of filing: 19.10.2018

(51) International Patent Classification (IPC):  E03F 7/10(2006.01) E03F 9/00(2006.01) E03F 7/12(2006.01) (86) International application number: PCT/EP2018/078767 (87) International publication number: WO 2019/091760 (16.05.2019 Gazette 2019/20)

(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: 13.11.2017 IT 201700128839 (71) Applicant: GEASTAR Srl 31100 Treviso (IT)	(72) Inventor: CAPPELLOTTO, Stefano 31015 Conegliano (IT) (74) Representative: Marri, Luca et al Dragotti & Associati S.r.l. Via Paris Bordone, 9 31100 Treviso 31100 Treviso (IT)