JPS63132908U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の光海底ケーブルの一実施例の
一部切截斜視図、第２図は第１図中中心部分を拡
大して示す図、第３図乃至第５図は第１図の光海
底ケーブルが切断されたときの状況を段階的に示
す図、第６図は従来の光海底ケーブルの１例を示
す図、第７図は第６図の光海底ケーブルが切断さ
れた状態を示す図である。 図中において、３は光フアイバユニツト、４は
高張力鋼線、５は銅パイプ、６は絶縁体、７はジ
ヤケツト、１０は光海底ケーブル、１１は耐圧パ
イプ、１２は円環状スペース、１３はアルミニウ
ム線、１８は延出部分、１９，２０は破断部分で
ある。 Fig. 1 is a partially cutaway perspective view of an embodiment of the optical submarine cable of the present invention, Fig. 2 is an enlarged view of the central part of Fig. 1, and Figs. 3 to 5 are the same as Fig. 1. Fig. 6 is a diagram showing an example of a conventional optical submarine cable, and Fig. 7 is a state in which the optical submarine cable shown in Fig. 6 has been cut. FIG. In the figure, 3 is an optical fiber unit, 4 is a high-tensile steel wire, 5 is a copper pipe, 6 is an insulator, 7 is a jacket, 10 is an optical submarine cable, 11 is a pressure-resistant pipe, 12 is an annular space, and 13 is an annular space. The aluminum wire has an extended portion 18 and broken portions 19 and 20.

Claims (1)

【実用新案登録請求の範囲】 中心部に光フアイバユニツト３が耐圧パイプ１
１により保護されて設けられ、周囲を被覆体６，
７で覆われてなる光海底ケーブルにおいて、 上記光フアイバユニツト３の外周面と上記耐圧
パイプ１１の内周面との間に、金属線収容用の円
環状スペース１２を設け、 該円環状スペース１２内に金属線１３を遊嵌さ
せて螺旋状に配してなる構成の光海底ケーブル。[Scope of claim for utility model registration] An optical fiber unit 3 is located in the center of the pressure-resistant pipe 1.
1, and is surrounded by a covering 6,
7, an annular space 12 for accommodating a metal wire is provided between the outer circumferential surface of the optical fiber unit 3 and the inner circumferential surface of the pressure-resistant pipe 11, and the annular space 12 An optical submarine cable constructed by having a metal wire 13 loosely fitted inside and arranged in a spiral.