(19)

(11)

EP 3 230 510 A1

(12)

(43) Date of publication: 18.10.2017 Bulletin 2017/42 (21) Application number: 14809634.0 (22) Date of filing: 09.12.2014

(51) International Patent Classification (IPC):  D04B 35/18(2006.01) D04B 15/48(2006.01) (86) International application number: PCT/EP2014/077014 (87) International publication number: WO 2016/091286 (16.06.2016 Gazette 2016/24)

(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 (71) Applicant: Memminger-IRO GmbH 72280 Dornstetten (DE)	(72) Inventor: ONEDA, Filippo I-25126 Brescia (IT) (74) Representative: Frese Patent  Patentanwälte Hüttenallee 237b 47800 Krefeld 47800 Krefeld (DE)