(19)

(11)

EP 3 371 355 A1

(12)

(43) Date of publication: 12.09.2018 Bulletin 2018/37 (21) Application number: 16801575.8 (22) Date of filing: 17.10.2016

(51) International Patent Classification (IPC):  D02G 1/12(2006.01) (86) International application number: PCT/IB2016/056210 (87) International publication number: WO 2017/077411 (11.05.2017 Gazette 2017/19)

(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: MA MD (30) Priority: 02.11.2015 IT UB20155106 (71) Applicant: M.A.E. S.p.A. 29122 Piacenza (IT)	(72) Inventor: ROVELLINI, Marco 29122 Piacenza (IT) (74) Representative: Zermani, Umberto  Bugnion S.p.A. Viale Lancetti, 17 20158 Milano 20158 Milano (IT)