Patent ID: 8960252
Filing Date: 2015-02-24
Classification: B60C,Y10T

Abstract:
1. A passenger vehicle tire having a crown reinforcement which has three distinct elements, the three distinct elements comprising: a radial carcass reinforcement formed of reinforcing elements connecting two beads of the tire; a crown belt comprising a first set of belt reinforcing elements parallel to a circumferential direction of the tire; and a crown triangulation layer comprising a first set of reinforcing elements making a first angle of between 10 degrees and 80 degrees with the circumferential direction of the tire and a second set of reinforcing elements making a second angle of between 10 degrees and 80 degrees with the circumferential direction of the tire, wherein said first and second sets of reinforcing elements of the crown triangulation layer have a flattened cross section and are made of a thermoplastic polymer film that has undergone multi axis stretching, and wherein the first and second sets of reinforcing elements are superposed with each other such that the second set of reinforcing elements are elongated along a direction of the first set of reinforcing elements to cover spacing separating the first set of reinforcing elements.