(19)

(11)

EP 3 102 331 A1

(12)

(43) Date of publication: 14.12.2016 Bulletin 2016/50 (21) Application number: 15708332.0 (22) Date of filing: 03.02.2015

(51) International Patent Classification (IPC):  B02C 13/10(2006.01) B02C 13/284(2006.01) B02C 13/282(2006.01) B02C 19/00(2006.01) (86) International application number: PCT/IB2015/050818 (87) International publication number: WO 2015/118448 (13.08.2015 Gazette 2015/32)

(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 (30) Priority: 04.02.2014 IT BS20140033 (71) Applicant: Zato S.r.l. 25080 Prevalle (BS) (IT)	(72) Inventor: FRAPPORTI, Sperandio I-25085 Gavardo (BS) (IT) (74) Representative: Galassi, Alessandro  PGA S.r.l. Milano Succursale di Lugano Via Castagnola 21C 6900 Lugano 6900 Lugano (CH)