JPH041293U - - Google Patents

Info

Publication number
JPH041293U
JPH041293U JP4026790U JP4026790U JPH041293U JP H041293 U JPH041293 U JP H041293U JP 4026790 U JP4026790 U JP 4026790U JP 4026790 U JP4026790 U JP 4026790U JP H041293 U JPH041293 U JP H041293U
Authority
JP
Japan
Prior art keywords
mud
pipe
mud water
pipe body
drainage pipe
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
JP4026790U
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 JP4026790U priority Critical patent/JPH041293U/ja
Publication of JPH041293U publication Critical patent/JPH041293U/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:本考案に係る閉塞防止装置を具備する
泥水シールド機の全体説明図、第2図:排土時に
おける閉塞防止装置の断面図、第3図:礫の取り
除き作業時における閉塞防止装置の断面図。

Claims (1)

  1. 【実用新案登録請求の範囲】 切羽に泥水を加圧しながら掘削し、掘削した土
    砂を泥水と共に排泥管で搬送する泥水シールド機
    において、 前記排泥管の途上に、両端に開閉自在のバルブ
    を介して設けられ、 排泥管の内径より大径の管体と、 管体の出口側に設けたスクリーンと、 管体の一部に形成した大径の礫などを収容する
    収容空間と、 管体の一部に取り付けた圧抜バルブとで構成す
    ることを特徴とする、 泥水シールド機における排泥管の閉塞防止装置
JP4026790U 1990-04-17 1990-04-17 Pending JPH041293U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4026790U JPH041293U (ja) 1990-04-17 1990-04-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4026790U JPH041293U (ja) 1990-04-17 1990-04-17

Publications (1)

Publication Number Publication Date
JPH041293U true JPH041293U (ja) 1992-01-08

Family

ID=31549913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4026790U Pending JPH041293U (ja) 1990-04-17 1990-04-17

Country Status (1)

Country Link
JP (1) JPH041293U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106088A (ja) * 2001-09-28 2003-04-09 San Shield Kk 排泥管の排泥構造及び礫状物の除去装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003106088A (ja) * 2001-09-28 2003-04-09 San Shield Kk 排泥管の排泥構造及び礫状物の除去装置

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