Invention Grant
US07240709B2 Extended-mobility tire with decoupled anchoring zone 失效
具有解耦锚固区域的延伸移动轮胎

Extended-mobility tire with decoupled anchoring zone
Abstract:
A tire for a vehicle wheel, comprising two sidewalls joined at their radially outer portions by a crown zone, beads, a reinforcement structure extending substantially radially from each of the beads, towards the crown zone, at least one of said beads comprising: a bead seat of inverted type; an anchoring zone for the reinforcement structure in said bead, comprising an arrangement of circumferential cords comprising at least two stacks distributed on either side of the reinforcement structure, said reinforcement structure being arranged so as to obtain a circumferential distribution of the cords on either side of at least one of said stacks. In this manner, a supplementary adjustment means is obtained which makes it possible to produce arrangements in which the aim is as far as possible towards equilibrium or uniformity of the stresses. Numerous benefits obtained in terms of durability and reliability.
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