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(11)

EP 2 668 045 A2

(12)

(88) Date of publication A3: 01.11.2012 (43) Date of publication: 04.12.2013 Bulletin 2013/49 (21) Application number: 12707911.9 (22) Date of filing: 26.01.2012

(51) International Patent Classification (IPC):  B42B 5/10(2006.01) (86) International application number: PCT/IB2012/050374 (87) International publication number: WO 2012/101600 (02.08.2012 Gazette 2012/31)

(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 (30) Priority: 26.01.2011 IT TO20110068 (71) Applicant: Prima S.r.L. Milano (IT)	(72) Inventors: REBORA, Francesco I-20121 Milano (IT) LOSCHI, Luca I-20141 Milano (IT) VERDELLI, Fabio I-20139 Milano (IT) (74) Representative: Giannini, Manuela et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)