PNEUMATIC TIRE HAVING AGING DURABILITY, CAPABLE OF ENHANCING AGING DURABILITY AS WELL AS GENERAL DURABILITY OF A TIRE

摘要

PURPOSE: A pneumatic tire having aging durability is provided to enhance aging durability of a pneumatic tire used for a certain time. ;CONSTITUTION: A pneumatic tire having aging durability is as follows. Two layers of belt(5), a reinforcing member(6) and carcasses(2) are charged in a tread(1). Belt edge strip rubber(8) is inserted into between the edges of the first belt(5a) and the second belt(5b) of the belt. The contact surface of the belt edge strip rubber and the belt edges is formed in a wave shape or in a sawtooth shape. The belt edge strip rubber has a different rubber property in hardness and modulus.;COPYRIGHT KIPO 2011