发明名称 cordão de aço para reforçar produtos de borracha e pneumático
摘要 Without decreasing the strength in the axial direction of the cord, and without increasing the thickness in the radial direction, a steel cord for reinforcing a rubber article, which improves durability against cut, as well as a construction vehicle tire utilizing the steel cord for reinforcing a rubber article as a reinforcing material is provided. A steel cord for reinforcing a rubber article is formed by twisting a plurality of sheath strands 2 formed by twisting a plurality of wires around a core strand 1 formed by twisting a plurality of wires, wherein the core strand 1 is constituted of a 4-layer-twisted structure and the diameter of the steel cord is 5 mm or larger. The tire of the present invention is a tire which has a belt constituted with 6 belt plies with cords arrayed on the outer side in the radial direction of the tire at a crown part of the carcass, which are crossed between the laminated plies, and wherein the steel cords for reinforcing a rubber article are applied to the third belt layer and the fourth belt layer.
申请公布号 BRPI1007394(A2) 申请公布日期 2016.12.13
申请号 BR2010PI07394 申请日期 2010.01.19
申请人 BRIDGESTONE CORPORATION 发明人 KEISUKE NAKAMURA
分类号 B60C9/00;B60C9/18;B60C9/20;D07B1/06 主分类号 B60C9/00
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