Patent ID: 7799862
Filing Date: 2010-09-21
Classification: B60C,C08K,Y10T

Abstract:
1. A heavy-vehicle or construction vehicle tire, comprising a crown and a tread, the crown including a crown reinforcement comprising a cross-linkable or cross-linked rubber composition having a reduced hysteresis in the cross linked state, said composition comprising: an elastomeric matrix comprising natural rubber or a synthetic polyisoprene in a majority proportion of the matrix, and a reinforcing filler comprising a carbon black, wherein said carbon black satisfies the following conditions: wherein dst is the diameter of aggregates corresponding to the maximum frequency of the Stokes diameters in a distribution of aggregates, and wherein D50 is the difference, in the distribution of aggregates, between the Stokes diameters of two aggregates corresponding to one and the same frequency equal to 50% of the maximum frequency of the Stokes diameters, dst and D