Method and Device for Producing a Three-Layer Cord
    6.
    发明申请
    Method and Device for Producing a Three-Layer Cord 有权
    用于生产三层电缆的方法和装置

    公开(公告)号:US20120110972A1

    公开(公告)日:2012-05-10

    申请号:US13262051

    申请日:2010-03-29

    Abstract: Method of manufacturing a metal cord with three concentric layers (C1, C2, C3), of the type rubberized in situ, i.e. during its manufacture comprising a first, internal, layer or core (C1), around which there are wound together in a helix, at a pitch p2, in a second, intermediate, layer (C2), N wires of diameter d2, N varying from 3 to 12, around which second layer there are wound together as a helix at a pitch p3, in a third, outer, layer (C3), P wires of diameter d3, P varying from 8 to 20, the said method comprising the following steps: a sheathing step in which the core (C1) is sheathed with a rubber composition named “filling rubber”, in the uncrosslinked state; an assembling step by twisting the N wires of the second layer (C2) around the core (C1) thus sheathed in order to form, at a point named the “assembling point”, an intermediate cord named a “core strand” (C1+C2); an assembling step in which the P wires of the third layer (C3) are twisted around the core strand (C1+C2); a final twist-balancing step.

    Abstract translation: 制造具有三个同心层(C1,C2,C3)的金属帘线的方法,其中原位橡胶化,即在其制造期间包括第一,内部,层或芯(C1),其周围以 螺旋线,以间距p2,在第二中间层(C2)中,直径为d2的N根线,N为3至12,第二层以间距p3缠绕在一起作为螺旋,第三层 ,外层(C3),直径d3的P丝,P从8变化到20,所述方法包括以下步骤:包芯步骤,其中芯(C1)用名为“填充橡胶”的橡胶组合物包覆, ,处于未交联状态; 组装步骤,通过将所述第二层(C2)的N线绕在被包覆的芯部(C1)上,以形成位于“组装点”的点处,称为“芯股线”(C1 + C2); 组装步骤,其中第三层(C3)的P线缠绕在芯股线(C1 + C2)周围; 最后的扭曲平衡步骤。

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