发明名称 CORE UNIT FOR A TELECOMMUNICATIONS CABLE
摘要 <p>CORE UNIT FOR A TELECOMMUNICATIONS CABLE A core unit in which conductor pairs or units have a single direction of twist and in which angles of twist lay change along lengths of the conductor pairs. In a preferred and practical construction, the angles of twist lay of all pairs change along their lengths on a continuous basis. This angle change is cyclical and with the cycles of the angles of the pairs being out-of-phase with one another. This achieves average twist lays of the units which are substantially equal to one another from conductor pair-to-pair. The structure is achieved in a tandem operation of twisting conductors into pairs and then forming them into the core unit, preferably by stranding.</p>
申请公布号 CA1217251(A) 申请公布日期 1987.01.27
申请号 CA19860510751 申请日期 1986.06.03
申请人 NORTHERN TELECOM LIMITED 发明人 MCGETTIGAN, PHILIP A.;ROBERGE, JEAN M.
分类号 H01B13/02;(IPC1-7):H01B13/02 主分类号 H01B13/02
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