Patent ID: 9199512
Filing Date: 2015-12-01
Classification: B60C,Y10T

Abstract:
1. A pneumatic tire having a carcass and a belt reinforcing structure, the belt reinforcing structure comprising: a first belt layer having cords arranged at an angle of 5 degrees or less with respect to the midcircumferential plane, and a second belt layer formed of a plurality of geolines joined together, each geoline extending between a first belt edge and a second belt edge, wherein each geoline is tangent to the first belt edge and the second belt edge, and is formed in a three dimensional minimum path, wherein each geoline is formed by calculating a three dimensional minimal distance path L from one belt edge to the other belt edge using the following equation: L=Σ(SQRT(X wherein the second belt layer is wider than the first belt layer and is located radially outward of the first belt layer.