FIELD: tyre industry. SUBSTANCE: threads of breaker metal cord are arranged at equal angles of not less than 70 degrees relative to meridional direction. Metal cord threads in two adjacent layers 6 and 7 are arranged in parallel to each other and they have tensile strength 1.8-2.2 times less than that of metal cord of layer 8. Direction of threads in layer 8 intersects with direction of threads in layers 6 and 7. EFFECT: enhanced quality of tyre. 2 dwg
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