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(11)

EP 3 140 448 A1

(12)

(43) Date of publication: 15.03.2017 Bulletin 2017/11 (21) Application number: 15728177.5 (22) Date of filing: 07.05.2015

(51) International Patent Classification (IPC):  D04H 11/00(2006.01) D06N 3/14(2006.01) D04B 21/02(2006.01) D04H 1/541(2012.01) (86) International application number: PCT/IB2015/053345 (87) International publication number: WO 2015/170277 (12.11.2015 Gazette 2015/45)

(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 (30) Priority: 09.05.2014 IT MI20140847 (71) Applicant: Alcantara S.p.A. 20138 Milano (IT)	(72) Inventors: AMMIRATI, Carmine Carlo I-26900 Lodi (IT) CARDINALI, Walter I-06055 Marsciano (perugia) (IT) ZOPPITELLI, David I-05100 Terni (IT) (74) Representative: Biggi, Cristina  Bugnion S.p.A. Viale Lancetti 17 20158 Milano 20158 Milano (IT)