REINFORCEMENT SHEET COMPRISED AT LEAST PARTLY OF A TRIDIMENSIONAL CLOTH OF WHICH THE SECTION HAS A VARIABLE WIDTH; ARTICLES COMPRISING AT LEAST SUCH A SHEET; METHODS ENABLING TO OBTAIN SAID ARTICLES

摘要

Reinforcement sheet (7) intended to be used in an article, particularly a tyre casing, characterized in that it is comprised at least partly of a cloth (13) of which the properties are the following: a) it comprises a tridimensional body (18) and reinforcement threads (9); b) practically all the voids (29) of the cloth (13) are susceptible of being filled with a material forming part of the composition of the article; c) the cloth (13) has two main faces (14, 15) and two side faces (16, 17); d) the section of the cloth has a width which varies from one main face to the other. The invention also relates to thus defined impregnated sheets. The invention also relates to articles comprising at least one reinforcement sheet according to the invention as well as methods enabling to obtain said articles.