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EP 3 274 129 A1

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(43) Date of publication: 31.01.2018 Bulletin 2018/05 (21) Application number: 16725219.6 (22) Date of filing: 29.03.2016

(51) International Patent Classification (IPC):  B24B 41/047(2006.01) B24B 7/22(2006.01) B24B 55/02(2006.01) (86) International application number: PCT/IB2016/051770 (87) International publication number: WO 2016/151561 (29.09.2016 Gazette 2016/39)

(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: 25.03.2015 IT UB20150043 (71) Applicant: Ancora S.p.A. 41049 Sassuolo (MO) (IT)	(72) Inventors: CORRADINI, Mario 41049 Sassuolo (Modena) (IT) CORRADINI, Fabio 41049 Sassuolo (Modena) (IT) (74) Representative: Feltrinelli, Secondo Andrea  APTA S.r.l. Patent Department Via Ca' di Cozzi, 41 37124 Verona 37124 Verona (IT)