Patent ID: 9216614
Filing Date: 2015-12-22
Classification: B60B

Abstract:
1. A rim for a pneumatic tire, comprising a pair of bead seat portions separated from each other in a rim width direction and a flange portion extending outwards in a rim radial direction from a rim width direction outer end of each bead seat portion, a rim radial direction outer end of the flange portion being recurved outwards in the rim width direction, wherein a radius of curvature of a surface of the flange portion at a rim width direction outer end portion of the flange portion is at least 0.4 times and at most 1.0 times a radius of curvature of the surface of the flange portion at a rim width direction central portion of the flange portion, and a rim thickness at a width direction center of the rim is greater than a rim thickness at a width direction outer end of the rim and thickness of the rim gradually decreases from the width direction center of the rim to the width direction outer end of the rim.