Optimized Architecture of a Civil Engineering Tire
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Dec 5, 2022
filing date -
Dec 5, 2022
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Abstract
A tire (1) for a vehicle of the construction plant type, having a carcass reinforcement (4) and a crown reinforcement (3), with at least five crown layers (311, 312, 321, 322, 331, 332) having metal reinforcers. The protective layer (312) has elastic reinforcers having a tensile modulus at most equal to 110 GPa. The rubbers, referred to as crown decoupling rubbers (6), that are located around the axial ends of the crown layers (311, 312, 321, 322, 331, 332) have an elongation at break at least equal to 500%, and a dynamic loss tanδ at most equal to 0.06. A crown filler rubber (5) between the axial end of the axially widest working layer (321) and the carcass reinforcement (4) possibly has an elongation at break at least equal to 650% and a dynamic loss tanδ, at 100° C. at 10 Hz, at most equal to 0.07.
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