(19)

(11)

EP 3 174 645 A1

(12)

(43) Date of publication: 07.06.2017 Bulletin 2017/23 (21) Application number: 15750006.7 (22) Date of filing: 29.07.2015

(51) International Patent Classification (IPC):  B07B 1/48(2006.01) B07B 1/46(2006.01) (86) International application number: PCT/EP2015/067412 (87) International publication number: WO 2016/016322 (04.02.2016 Gazette 2016/05)

(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: 31.07.2014 ZA 201405685 (71) Applicant: Eurogomma Di Annoni Luciano 24127 Bergamo (IT)	(72) Inventor: ANNONI, Cristian I-24127 Bergamo (IT) (74) Representative: Giavarini, Francesco et al Zanoli & Giavarini S.p.A. Via Melchiorre Gioia, 64 20125 Milano 20125 Milano (IT)