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发明授权
CN101910506B 适用于轮胎带束层的就地被涂覆上橡胶的分层绳索 有权 转让

适用于轮胎带束层的就地被涂覆上橡胶的分层绳索
摘要：
本发明涉及一种金属绳索(C-1)，其包括具有3+N结构的两个层(Ci、Ce)并且就地被涂覆上橡胶，该绳索包括：内层(Ci)，其由三根直径为d1的芯部线(10)组成，这三根芯部线以节距为p1的螺旋线的形式缠绕在一起；和外层(Ce)，其由N根直径为d2的线(11)组成，N在从6到12的范围变化，这N根线以节距为p2的螺旋线的形式在所述内层(Ci)周围缠绕在一起，所述绳索的特征在于其具有以下特征(d1、d2、p1和p2以mm表示)：0.20＜d1＜0.50；0.20＜d2＜0.50；p1/p2≤1；5＜p1＜30；10＜p2＜30；所述内层被二烯橡胶混合物(12)或所谓的填充混合物所涂覆，对于任何长度至少为2cm的绳索来说，所述二烯橡胶混合物出现在所述三根芯部线(10)和所述外层(Ce)的所述N根线(11)所限定的中心通道(13)中。在所述绳索中的填充橡胶率的范围在每g绳索中含有从5mg到30mg。
摘要（英）：

The invention relates to a metal cable (C-I) that comprises two layers (Ci, Ce) having a 3+N structure and is gummed in situ, and that comprises an inner layer (Ci) made of three core threads (10) having a diameter d1 and wound together into a helix according to a pitch pa, and an outer layer (Ce) of N threads (11), N ranging from 6 to 12, having a diameter d2 and wound together into a helix having a pitch p2 around the inner layer (Ci), said cable being characterised in that it has the following characteristics (d1, d2, p1, p2 in mm) : 0.20 < d1 < 0.50; 0.20 < d2 < 0.50; Pi / P2 <= 1; 5 < p1< 30; 10 < p2 < 30; the inner layer is coated with a dienic rubber composition (12), or so-called filling composition, that, for any cable length of at least 2 cm, is present in the central channel (13) defined by the three core threads (10) and the N threads (11) of the outer layer (Ce). The filling-gum ratio in the cable ranges from 5 to 30 mg per g of cable.

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