| 摘要 |
A cylindrical insulator (1) is provided in which inner and outer surfaces are covered with electroconductive plated layers (2, 2a). The layers (2, 2a) are directly electrically connected to the shielding wire (4) and core wire (3), respectively, of a coaxial cable (6) while a groove (14) for engagement with outer contacts (7, 7a) is formed in the outer surface of the insulator (1) and a projection having the same shape as the groove (14) is provided on the inner surface of the insulator (1) to keep its thickness uniform over its entire length. The shielding wires (4) are connected to the outer surface of the insulator by clamping the wires to the outer plated layer of the insulator by means of a clamping ring.
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