Patent ID: 6705371
Filing Date: 2004-03-16
Classification: B60C,Y10T

Abstract:
A pneumatic radial tire comprising:a bead portion provided with a plurality of bead cores; and radial carcass plies which are wound up from a tire inner side toward an outer side at the respective bead cores, wherein one-half or more of the number of end portions of the radial carcass plies are positioned at each bead core within a range of 35 to 55% of a tire section height as measured from the reference line of the tire section height, and wherein end portions of radial carcass plies, which are among the radial carcass plies wound up from the tire inner side toward the outer side at the respective bead cores and which are not positioned within the range of 35 to 55% of the tire section height as measured from the reference line of the tire section height, are positioned at an inner side of an outermost end of a rim flange in the tire radial direction.