Patent ID: 8672010
Filing Date: 2014-03-18
Classification: C08K,C08L,Y10T

Abstract:
1. A tire for a heavy load which is provided with bead cores, a carcass ply, a belt arranged at the outside of the carcass ply in a radial direction and a tread, and in which the belt is formed by laminating rubber-coated cord layers prepared by embedding steel cords in a coating rubber, wherein the coating rubber has a composition that comprises at least one of a natural rubber and a diene-based synthetic rubber, and wherein an end part of at least one rubber-coated cord layer or an end part of the belt is further coated with an end-part rubber composition containing trans-polybutadiene (TRBR) and bismaleimide (BMI) in the following compounding amounts based on 100 parts by mass of a rubber component containing natural rubber and isoprene rubber: wherein the coating rubber composition is different from the end-part rubber composition.