JP4279323B2 - 光ケーブル - Google Patents
光ケーブル Download PDFInfo
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- JP4279323B2 JP4279323B2 JP2007044966A JP2007044966A JP4279323B2 JP 4279323 B2 JP4279323 B2 JP 4279323B2 JP 2007044966 A JP2007044966 A JP 2007044966A JP 2007044966 A JP2007044966 A JP 2007044966A JP 4279323 B2 JP4279323 B2 JP 4279323B2
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Description
問題が生じる。
なお、降水条件は過去に観察された台風で強風と降水量の記録から採用した値である。
2 導体
3 被覆体
3a 三角状山部
Claims (2)
- 押出成形して形成される被覆体を有する架空に布設される光ケーブルであって、前記被覆体の外表面の形状が、辺数Nの等辺を周方向に連接させることにより、周方向に等間隔に、長手方向に沿って軸線に略平行に延びる三角状山部を有する角型形状になっていて、外径dの円に内接し、前記辺数Nが12≦N≦25であり、外径dがmm単位で10≦d≦40であり、さらに、前記Nがdとの関係で、6.785+0.575d−0.006732d2≦辺数N≦6.949+0.8380d−0.009694d2の式の範囲内にあるように選定されることを特徴とする架空光ケーブル。
- 前記Nが前記dとの関係で、5.222+0.7894d−0.009889d2≦辺数N≦7.222+0.7894d−0.009889d2の式の範囲内にあるように選定されることを特徴とする請求項1記載の架空光ケーブル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007044966A JP4279323B2 (ja) | 2007-02-26 | 2007-02-26 | 光ケーブル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007044966A JP4279323B2 (ja) | 2007-02-26 | 2007-02-26 | 光ケーブル |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003285202A Division JP3949625B2 (ja) | 2003-08-01 | 2003-08-01 | 架空被覆電線 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007206708A JP2007206708A (ja) | 2007-08-16 |
JP4279323B2 true JP4279323B2 (ja) | 2009-06-17 |
Family
ID=38486176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007044966A Expired - Fee Related JP4279323B2 (ja) | 2007-02-26 | 2007-02-26 | 光ケーブル |
Country Status (1)
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JP (1) | JP4279323B2 (ja) |
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2007
- 2007-02-26 JP JP2007044966A patent/JP4279323B2/ja not_active Expired - Fee Related
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JP2007206708A (ja) | 2007-08-16 |
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