| 摘要 |
<p>The present invention relates to cables comprising a conductor (1), a conductor screen (2), insulation (3), an insulation screen (4), a helical wire screen (5), a water blocking layer (6) and outer layers consisting of metal (7) and polymer (8) sheaths. The metal layer/sheath (7) is arranged directly on the water blocking layer (6) in repeated electrical shortcircuiting contact with the helical wire screen (5) through openings in the water blocking layer (6). The helical wire screen (5) is arranged directly on the insulation screen (4) and the open water blocking layer (6) is arranged directly on the wire screen (5).</p> |
