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(11)

EP 2 897 771 A1

(12)

(43) Date of publication: 29.07.2015 Bulletin 2015/31 (21) Application number: 13792449.4 (22) Date of filing: 05.09.2013

(51) International Patent Classification (IPC):  B28B 3/02(2006.01) B28B 17/00(2006.01) B28B 7/00(2006.01) B30B 15/02(2006.01) (86) International application number: PCT/IB2013/058300 (87) International publication number: WO 2014/045150 (27.03.2014 Gazette 2014/13)

(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: 21.09.2012 IT MI20121577 (71) Applicant: Martinelli Ettore s.r.l. 41049 Sassuolo (MO) (IT)	(72) Inventors: SILVESTRINI, Luciano I-41049 Sassuolo (MO) (IT) MARTINELLI, Paola I-41049 Sassuolo (MO) (IT) (74) Representative: Lampis, Marco et al Dragotti & Associati Srl Via Nino Bixio, 7 20129 Milano 20129 Milano (IT)