(19)

(11)

EP 2 714 433 A1

(12)

(43) Date of publication: 09.04.2014 Bulletin 2014/15 (21) Application number: 12730633.0 (22) Date of filing: 24.05.2012

(51) International Patent Classification (IPC):  B60C 11/12(2006.01) (86) International application number: PCT/IB2012/052602 (87) International publication number: WO 2012/164450 (06.12.2012 Gazette 2012/49)

(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: 27.05.2011 IT PD20110175 07.07.2011 US 201161505190 P (71) Applicant: Pirelli Tyre S.p.A. 20126 Milano (IT)	(72) Inventors: COLOMBO, Gianfranco I-20126 Milano (IT) BOLZONI, Roberto I-20126 Milano (IT) (74) Representative: Susanetto, Carlo et al Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18 35122 Padova 35122 Padova (IT)