(19)

(11)

EP 3 240 921 A1

(12)

(43) Date of publication: 08.11.2017 Bulletin 2017/45 (21) Application number: 15837109.6 (22) Date of filing: 07.12.2015

(51) International Patent Classification (IPC):  D04B 15/78(2006.01) D04B 15/32(2006.01) D04B 9/26(2006.01) (86) International application number: PCT/IT2015/000295 (87) International publication number: WO 2016/108254 (07.07.2016 Gazette 2016/27)

(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: 31.12.2014 IT VI20140338 (71) Applicant: E.O.S. S.r.L. 25126 Brescia (BS) (IT)	(72) Inventor: ONEDA, Filippo 25126 Brescia (BS) (IT) (74) Representative: Burchielli, Riccardo et al Barzano & Zanardo Roma S.p.A. Via Piemonte 26 00187 Roma 00187 Roma (IT)