| 摘要 |
Electric cable (1), endowed with an extruded insulation (5), used for conveying energy provided with a screen of metallic wires (10, 12), wound helicoidally, according to an open helix, embedded and kept in position in a layer (7) of extruded material, eventually coincident with the protective sheath of the cable. The invention also concerns the process for the construction of the screen. |
