The invention relates to a multi-strand cord (50) comprising: a strand having Kgt; a cord inner layer (CI) comprising one inner strand (TI) having at least two layers (C1, C3), the inner layer (C1) consisting of Q inner metal wires (F1) and the outer layer (C3) consisting of N outer metal wires (F3); and having a winding (Lgt; Lgt) around the cord inner layer (CI); the invention relates to a cord outer layer (CE) comprising one outer strand (TE), said outer strand (TE) having at least two layers (C1 ', C3'), in which the inner layer (C1 ') is made up of Q'inner metal wires (F1') and the outer layer (C3 ') is made up of N' outer metal wires (F3 '). The cord (50) has:-a bending durability standard SL < = 36000 MPa.mm, and-a dimensional standard Ec > = 0.41.
本发明涉及一种多线股帘线(50),其包括:具有K>1根内部线股(TI)的帘线内层(CI),所述内部线股(TI)具有至少两个层(C1、C3),其中内层(C1)由Q根内部金属丝线(F1)构成并且外层(C3)由N根外部金属丝线(F3)构成;以及具有围绕帘线内层(CI)进行缠绕的L>1根外部线股(TE)的帘线外层(CE),所述外部线股(TE)具有至少两个层(C1’、C3’),其中内层(C1’)由Q’根内部金属丝线(F1’)构成并且外层(C3’)由N’根外部金属丝线(F3’)构成。帘线(50)具有:‑弯曲耐久性标准SL≤36000MPa.mm;以及‑尺寸标准Ec≥0.41。
Double-layer multi-strand cord with improved bending durability
具有改进的弯曲耐久性的双层多线股帘线
2024-07-16
Patent
Electronic Resource
Chinese
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