(19)

(11)

EP 3 797 020 A1

(12)

(43) Date of publication: 31.03.2021 Bulletin 2021/13 (21) Application number: 19759444.3 (22) Date of filing: 20.08.2019

(51) International Patent Classification (IPC):  B27G 13/10(2006.01) B27G 13/04(2006.01) (86) International application number: PCT/IT2019/050187 (87) International publication number: WO 2020/044382 (05.03.2020 Gazette 2020/10)

(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: 27.08.2018 IT 201800008191 (71) Applicant: TWT S.r.l. 38068 Rovereto (TN) (IT)	(72) Inventors: GALVAGNI, Fulvio 38068 ROVERETO (TN) (IT) PELLITTERI, Filippo 38068 ROVERETO (TN) (IT) (74) Representative: Burchielli, Riccardo et al Barzano & Zanardo Roma S.p.A. Via Piemonte 26 00187 Roma 00187 Roma (IT)