JPS61135993U - - Google Patents

Info

Publication number
JPS61135993U
JPS61135993U JP1585685U JP1585685U JPS61135993U JP S61135993 U JPS61135993 U JP S61135993U JP 1585685 U JP1585685 U JP 1585685U JP 1585685 U JP1585685 U JP 1585685U JP S61135993 U JPS61135993 U JP S61135993U
Authority
JP
Japan
Prior art keywords
small diameter
backfilling material
lubricant
diameter propulsion
plug
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
JP1585685U
Other languages
English (en)
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 filed Critical
Priority to JP1585685U priority Critical patent/JPS61135993U/ja
Publication of JPS61135993U publication Critical patent/JPS61135993U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る小口径推進管における裏
込材、滑材の注入装置の一実施例を示す縦断面図
で第2図の部分の拡大図、第2図は前記注入装
置を使用した小口径管の推進工法の実施状況を示
す縦断面図、第3図は圧力調整型プラグの平面図
、第4図は第3図の矢視―図である。 A……小口径推進管、F,F,F……F
m…Fn……注入口、1……プラグ本体、2……
スプリング押え片、3……弁体、4……コイルス
プリング。

Claims (1)

    【実用新案登録請求の範囲】
  1. プラグ本体の出口側に螺装されたスプリング押
    え片と、入口側に配設された弁体との間にスプリ
    ングを介装してなる圧力調整型プラグを、小口径
    推進管の管壁に列設された各裏込材、滑材の注入
    口に夫々装着してなることを特徴とする小口径推
    進管における裏込材、滑材の注入装置。
JP1585685U 1985-02-08 1985-02-08 Pending JPS61135993U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1585685U JPS61135993U (ja) 1985-02-08 1985-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1585685U JPS61135993U (ja) 1985-02-08 1985-02-08

Publications (1)

Publication Number Publication Date
JPS61135993U true JPS61135993U (ja) 1986-08-23

Family

ID=30502082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1585685U Pending JPS61135993U (ja) 1985-02-08 1985-02-08

Country Status (1)

Country Link
JP (1) JPS61135993U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005113587A (ja) * 2003-10-09 2005-04-28 Sumitomo Mitsui Construction Co Ltd 既設管路の更新工法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521452U (ja) * 1975-03-10 1977-01-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521452U (ja) * 1975-03-10 1977-01-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005113587A (ja) * 2003-10-09 2005-04-28 Sumitomo Mitsui Construction Co Ltd 既設管路の更新工法

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