Patent ID: 8763664
Filing Date: 2014-07-01
Classification: B60C,Y10T

Abstract:
1. A tire bead reinforcement having a bi-material structure comprising: reinforcing elements that consist of two types: wherein the first and second reinforcing elements are mutually parallel and distributed alternately in appropriate proportions in order to achieve a desired level of reinforcement, wherein the first and second reinforcing elements lie within the same mean plane, wherein the extensible first reinforcing elements are coupled to the inextensible second reinforcing elements over a coupling length Lc which is shorter than the length L 1 of the extensible first reinforcing elements, whereby each of the first ends of the extensible first reinforcing elements is offset in relation to each of the first ends of the inextensible second reinforcing elements or each of the second ends of the extensible first reinforcing elements is offset in relation to each of the second ends of the inextensible second reinforcing elements, or both.