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JPH05106765A - 埋設配管構造 - Google Patents

埋設配管構造

Info

Publication number
JPH05106765A
JPH05106765A JP3270787A JP27078791A JPH05106765A JP H05106765 A JPH05106765 A JP H05106765A JP 3270787 A JP3270787 A JP 3270787A JP 27078791 A JP27078791 A JP 27078791A JP H05106765 A JPH05106765 A JP H05106765A
Authority
JP
Japan
Prior art keywords
buried
piping
pipe
covering member
covering
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.)
Pending
Application number
JP3270787A
Other languages
English (en)
Inventor
Jinichiro Nakamura
仁一郎 中村
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui Chemical Co Ltd
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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP3270787A priority Critical patent/JPH05106765A/ja
Publication of JPH05106765A publication Critical patent/JPH05106765A/ja
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

(57)【要約】 【目的】埋設配管を容易に接続することができるととも
に、特別な部品を用いることなく埋設位置を把握する。 【構成】合成樹脂で成形されたガス管などの配管本体2
の外周面に、導線Wを封入した被覆部材3を一体に取り
付けた。

Description

【発明の詳細な説明】
【0001】
【産業上の利用分野】本発明は、ガス管などの埋設配管
構造に関するものである。
【0002】
【従来の技術】従来より、埋設配管、例えばガス管など
に被覆導線を取り付けて埋設し、掘り返しの際、被覆導
線に電流を流すことによって磁界を発生させ、この磁界
を検出することで埋設配管の埋設位置を正確に把握する
ことが知られている。例えば、実開昭58−17868
8号公報に示されるように、被覆導線の保持部を形成し
た挾着部材を埋設配管に適当な間隔で挾着させたり、あ
るいは、実開昭51−21209号公報に示されるよう
に、埋設配管の管壁中に導線を埋設封入する考案が提案
されている。
【0003】
【発明が解決しようとする課題】しかしながら、挾着部
材を埋設配管に順次挟着する方式では、挟着部材を埋設
配管とは別に用意しなければならず、必要数量の間違い
や用意忘れなどによって埋設時にトラブルの原因となる
他、土砂の埋め戻しの際、被覆導線が露出している関係
上、挟着部材間に懸吊されている被覆電線に土圧が作用
して、あるいは土圧によって挟着部材がずれて被覆電線
が切断する問題があった。
【0004】また、埋設配管の管壁内に導線を封入する
方式では、埋設配管を接続する際、相手側導線との接続
ができないことから、その敷設位置が限定される他、埋
設配管の端部を突き合わせて融着接合する際、その面取
り作業に支障がある。
【0005】本発明は、このような問題点に鑑みてなさ
れたもので、埋設配管を容易に接続することができると
ともに、新たな部品を用いることなく埋設配管の埋設位
置を正確に把握することのできる埋設配管構造を提供す
るものである。
【0006】
【課題を解決するための手段】本発明は、合成樹脂で成
形された埋設配管本体と、導線を封入した被覆部材より
なり、この被覆部材を埋設配管本体の外周面にその軸線
とほぼ平行に一体に取り付けたことを特徴とするもので
ある。
【0007】
【作用】埋設配管本体に導線を封入した被覆部材を一体
に取り付けた埋設配管を埋設する。
【0008】この結果、埋設配管を接続するに際しては
被覆部材を配管本体から切り離すことができ、その接合
に影響することはない。また、導線は被覆部材に封入さ
れて配管本体と一体であることから、土砂を埋め戻して
も導線の切断事故は確実に防止され、掘り返しの際、導
線に通電すれば埋設配管の埋設位置を正確に把握するこ
とができる。
【0009】
【実施例】以下、本発明の実施例を図面を参照して説明
する。
【0010】図1には、埋設配管1が示されており、こ
の埋設配管1は、ガス管などの配管本体2と、導線Wが
封入されて配管本体2に一体に取り付けられた被覆部材
3から構成されている。そして、配管本体2は、従来公
知のようにポリエチレンなどの合成樹脂で成形されてい
る。
【0011】一方、被覆部材3は、銅線などの導線Wを
封入している被覆部3aと、この被覆部3aの直径より
も小幅に形成された突起部3bから形成され、突起部3
bが前述した配管本体2の外周面にその軸線とほぼ平行
に取り付けられている。したがって、市販のカッターナ
イフなどによって突起部3bを切断して被覆部材3を配
管本体2から簡単に切り離すことができ、また、被覆部
材3の被覆部3aを剥離して容易に導線Wを露出させる
ことができる。
【0012】このように構成した埋設配管1を掘削され
た溝内に設置した後、土砂を被せることにより、埋設配
管1を埋めることができる。この際、導線Wを封入して
いる被覆部材3は配管本体2と一体となっていることか
ら、埋め戻し時に導線Wの切断事故は確実に防止され
る。これらの埋設配管1,1を接合する場合は、図3に
示すように、各埋設配管1の被覆部材3の突起部3bを
適当長さ切断して被覆部材3を配管本体2から切り離し
た後、配管本体2,2の端部を差し込み継手4に嵌挿し
て接合する。さらに、被覆部材3の被覆部3aを剥離
し、露出された導線W,Wをコネクター5を介して差し
込み継手4の外方で接続し、図示しないビニルテープで
固定する。
【0013】この実施例においては、配管本体2,2は
差し込み継手4を利用して接合したが、突き合わせ継手
を用いてもよく、その接合手段も融着、接着あるいは機
械的な接合でもよく、特に限定するものではない。
【0014】一方、道路工事などにより、地面を掘り返
す際、埋設配管1の埋設位置を把握する必要がある場合
には、従来と同じように導線Wの両端に電流を流し、そ
れによって発生する磁界を検出すればよい。このように
して埋設配管1の埋設位置が把握されれば、埋設配管1
に接近するまでは機械掘りを行い、ある程度掘削すれば
ツルハシなどによる手掘りで作業すればよい。
【0015】また、配管本体2の成形時、導線Wを封入
しつつ被覆部材3を同時に成形するのが好ましく、特に
クロスヘッドダイによる押し出し成形が好適であるが、
金型の製作コストを考慮して配管本体2と被覆部材3を
別個に成形し、これらを接着や融着などによって一体に
接合するようにしてもよい。
【0016】なお、本実施例においては、埋設配管本体
はポリエチレンを採用したが、その他の熱可塑性樹脂で
も、また、熱硬化性樹脂でもよい。
【0017】
【発明の効果】以上のように本発明によれば、合成樹脂
で成形されたガス管などの埋設配管本体の外周面に、導
線を封入した被覆部材を一体に取り付けて埋設配管を構
成したことにより、掘り起こしの際、導線に通電させて
埋設配管の埋設位置を正確に把握することが可能とな
り、その直近までは機械掘りによって掘削作業を効率よ
く遂行することができる。そして、予め配管本体と導線
を封入している被覆部材とは一体に取り付けられている
ことから、配管以外に新たな部品を用意する必要がな
く、また、埋め戻し時の導線の切断は確実に防止され
る。
【図面の簡単な説明】
【図1】本発明の埋設配管の全体構成を示す斜視図であ
る。
【図2】図1の被覆部材を拡大して示す断面図である。
【図3】埋設配管同士を接続する際の説明図である。
【符号の説明】
1 埋設配管 2 配管本体 3 被覆部材 W 導線

Claims (1)

    【特許請求の範囲】
  1. 【請求項1】 合成樹脂で成形された埋設配管本体と、
    導線を封入した被覆部材よりなり、この被覆部材を埋設
    配管本体の外周面にその軸線とほぼ平行に一体に取り付
    けたことを特徴とする埋設配管構造。
JP3270787A 1991-10-18 1991-10-18 埋設配管構造 Pending JPH05106765A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3270787A JPH05106765A (ja) 1991-10-18 1991-10-18 埋設配管構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3270787A JPH05106765A (ja) 1991-10-18 1991-10-18 埋設配管構造

Publications (1)

Publication Number Publication Date
JPH05106765A true JPH05106765A (ja) 1993-04-27

Family

ID=17490996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3270787A Pending JPH05106765A (ja) 1991-10-18 1991-10-18 埋設配管構造

Country Status (1)

Country Link
JP (1) JPH05106765A (ja)

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US7090407B2 (en) 2000-05-26 2006-08-15 Corning Cable Systems Llc Preconnectorized fiber optic drop cables and assemblies for efficient deployment
US7111990B2 (en) 2000-05-26 2006-09-26 Corning Cable Systems, Llc Figure-eight preconnectorized fiber optic drop cables and assemblies
US7279643B2 (en) 2001-11-20 2007-10-09 Commscope Solutions Properties, Llc Toneable conduit and method of preparing same
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US7463803B2 (en) 2005-11-14 2008-12-09 Corning Cable Systems Llc Drop cable with fiber optic connector and methods for fabricating same
US7467896B2 (en) 2000-05-26 2008-12-23 Corning Cable Systems Llc Fiber optic drop cables and preconnectorized assemblies
US7572065B2 (en) 2007-01-24 2009-08-11 Adc Telecommunications, Inc. Hardened fiber optic connector
US7591595B2 (en) 2007-01-24 2009-09-22 Adc Telelcommunications, Inc. Hardened fiber optic adapter
US7614797B2 (en) 2007-01-24 2009-11-10 Adc Telecommunications, Inc. Fiber optic connector mechanical interface converter
US7880087B2 (en) 2008-06-23 2011-02-01 Commscope, Inc. Of North Carolina Toneable conduit with loose toning signal wire
USRE42522E1 (en) 2003-09-08 2011-07-05 Adc Telecommunications, Inc. Ruggedized fiber optic connection
US8497425B2 (en) 2001-11-20 2013-07-30 Commscope, Inc. Of North Carolina Toneable conduit with heat treated tone wire
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US9239441B2 (en) 2000-05-26 2016-01-19 Corning Cable Systems Llc Fiber optic drop cables and preconnectorized assemblies having toning portions
US7090407B2 (en) 2000-05-26 2006-08-15 Corning Cable Systems Llc Preconnectorized fiber optic drop cables and assemblies for efficient deployment
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