Process of manufacturing tires for vehicle wheels
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsJean-Pierre Cesar, Andre Schneider
Life of this patent
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Abstract
In a process of manufacturing a tire for vehicle wheels, an annular crown reinforcement is placed around the carcass of the tire. As the crown reinforcement there is used at least one elastically deformable annular net formed of two superimposed plies of wires at least the outside of which wires is formed of an elastic and weldable material. At the points of intersection these wires are welded to each other. The wires may also be in the form of a cable, metallic or otherwise, enclosed in a sheath of an elastic and weldable material.
Claims8
A process of manufacturing a tire using a carcass expandable into toroidal shape with two sidewalls joined to each other by an equatorial connecting element or portion, each sidewall being terminated by a bead, and a crown reinforcement placed around said carcass and formed of at least two plies of reinforcing elements which are parallel in each ply and crossed from one ply to the next forming acute angles with the circumferential direction of the tire, characterized by the fact that as the crown reinforcement there is used at least one annular net which is continuous in the circumferential direction of the tire and elastically deformable so that in deformed state its developed length is equal to the developed length of the equatorial connecting element or portion of the carcass, this net being formed of two superimposed plies of continuous segments of wires of the same length parallel in each ply and crossed from one ply to the other at an angle at most equal to 90.degree. with respect to the circumferential direction of the tire, at least the outside of the wires being formed of an elastic and weldable material permitting welding of the wires of one ply to those of the other ply at the points where they intersect.
Dependencies are inferred from the claim text.