(19)

(11)

EP 3 523 474 A1

(12)

(43) Date of publication: 14.08.2019 Bulletin 2019/33 (21) Application number: 17794780.1 (22) Date of filing: 09.10.2017

(51) International Patent Classification (IPC):  D06C 5/00(2006.01) (86) International application number: PCT/IB2017/056209 (87) International publication number: WO 2018/069806 (19.04.2018 Gazette 2018/16)

(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: 10.10.2016 IT 201600101501 (71) Applicant: Cortese S.r.l. 40132 Bologna (BO) (IT)	(72) Inventor: CORTESE, Carmelo Angelo 40132 Bologna (B0) (IT) (74) Representative: Manzella & Associati  Via dell'Indipendenza, 13 40121 Bologna 40121 Bologna (IT)