JP7787439B2 - 埋設管及び埋設管の防護方法 - Google Patents

埋設管及び埋設管の防護方法

Info

Publication number
JP7787439B2
JP7787439B2 JP2023579930A JP2023579930A JP7787439B2 JP 7787439 B2 JP7787439 B2 JP 7787439B2 JP 2023579930 A JP2023579930 A JP 2023579930A JP 2023579930 A JP2023579930 A JP 2023579930A JP 7787439 B2 JP7787439 B2 JP 7787439B2
Authority
JP
Japan
Prior art keywords
pipe
protective member
buried
inner pipe
cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023579930A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023152842A1 (https=
Inventor
大策 西山
浩二 板坂
琢也 石川
陽 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
NTT Inc USA
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Inc USA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical Nippon Telegraph and Telephone Corp
Publication of JPWO2023152842A1 publication Critical patent/JPWO2023152842A1/ja
Application granted granted Critical
Publication of JP7787439B2 publication Critical patent/JP7787439B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/16—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for repairing insulation or armouring of cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
JP2023579930A 2022-02-09 2022-02-09 埋設管及び埋設管の防護方法 Active JP7787439B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/005200 WO2023152842A1 (ja) 2022-02-09 2022-02-09 埋設管及び埋設管の防護方法

Publications (2)

Publication Number Publication Date
JPWO2023152842A1 JPWO2023152842A1 (https=) 2023-08-17
JP7787439B2 true JP7787439B2 (ja) 2025-12-17

Family

ID=87563858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023579930A Active JP7787439B2 (ja) 2022-02-09 2022-02-09 埋設管及び埋設管の防護方法

Country Status (3)

Country Link
US (1) US20250158374A1 (https=)
JP (1) JP7787439B2 (https=)
WO (1) WO2023152842A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025262796A1 (ja) * 2024-06-18 2025-12-26 Ｎｔｔ株式会社 防護具
WO2025262799A1 (ja) * 2024-06-18 2025-12-26 Ｎｔｔ株式会社 防護具および防護具の補修方法
WO2026047824A1 (ja) * 2024-08-26 2026-03-05 Ｎｔｔ株式会社 防護品

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003235140A (ja) 2002-02-12 2003-08-22 Furukawa Electric Co Ltd:The 難燃性複合長尺体
JP2019173836A (ja) 2018-03-28 2019-10-10 国立大学法人神戸大学 二重構造管、及び配管システムの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237297U (https=) * 1975-09-09 1977-03-16
JPS6091873U (ja) * 1983-11-29 1985-06-22 九州耐火煉瓦株式会社 複合パイプ
JPS6124889A (ja) * 1984-07-13 1986-02-03 日揮株式会社 二重管構造の配管
JP4358062B2 (ja) * 2004-08-02 2009-11-04 積水化学工業株式会社 凍結故障防止用通信ケーブル埋設管、内径調節用管継手及びそれらを用いた凍結故障防止用通信ケーブル埋設管構造
JP4468932B2 (ja) * 2006-09-21 2010-05-26 日本電信電話株式会社 凍結故障防止用通信ケーブル管
JP7505689B2 (ja) * 2019-07-05 2024-06-25 カナフレックスコーポレーション株式会社 管更生構造及び管更生方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003235140A (ja) 2002-02-12 2003-08-22 Furukawa Electric Co Ltd:The 難燃性複合長尺体
JP2019173836A (ja) 2018-03-28 2019-10-10 国立大学法人神戸大学 二重構造管、及び配管システムの製造方法

Also Published As

Publication number Publication date
JPWO2023152842A1 (https=) 2023-08-17
WO2023152842A1 (ja) 2023-08-17
US20250158374A1 (en) 2025-05-15

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