JPH0433793U - - Google Patents

Info

Publication number
JPH0433793U
JPH0433793U JP7460890U JP7460890U JPH0433793U JP H0433793 U JPH0433793 U JP H0433793U JP 7460890 U JP7460890 U JP 7460890U JP 7460890 U JP7460890 U JP 7460890U JP H0433793 U JPH0433793 U JP H0433793U
Authority
JP
Japan
Prior art keywords
pipe
mud
cutting edge
circulation type
water circulation
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.)
Granted
Application number
JP7460890U
Other languages
English (en)
Other versions
JP2509584Y2 (ja
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 JP1990074608U priority Critical patent/JP2509584Y2/ja
Publication of JPH0433793U publication Critical patent/JPH0433793U/ja
Application granted granted Critical
Publication of JP2509584Y2 publication Critical patent/JP2509584Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す縦断側面図、
第2図は第1図の−線視相当の断面図、第3
図は他の実施例の要部縦断側面図、第4図は本考
案を適用する泥水循環式管埋設装置の一例を示す
一部を断面とした側面図である。 1……立坑、3……駆動部、5……推進シリン
ダ、6……管受口、7……埋設すべき管、8……
先導管、9……隔壁、10……刃口部、12……
掘削ヘツド、13……礫破砕用クラツシヤ部、1
4……回転ロツド、15……軸受、18……中間
隔壁、19……土砂取込口、20……室、21…
…フイルタ、22……ジエツト水供給路、23…
…噴射口、26A……送泥用パイプ、26……排
泥用パイプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 埋設すべき管の先端に先導管を設け、この先
    導管の内部を隔壁により刃口部と後方部とに区画
    し、この刃口部に掘削ヘツドを回転自在に設け、
    前記隔壁には前記刃口部に供給される泥水を排出
    する排泥用開口を設けた泥水循環式管埋設装置に
    おいて、前記刃口部内の前記排泥用開口の前方位
    置にフイルタを設けるとともに、前記刃口部内に
    前記フイルタに向けてジエツト水を噴射する噴射
    口を設けたことを特徴とする泥水循環式管埋設装
    置の先導管。 2 前記噴射口を前記刃口部内の掘削ヘツド回転
    用ロツドの外周に設けた請求項1記載の泥水循環
    式管埋設装置の先導管。
JP1990074608U 1990-07-13 1990-07-13 泥水循環式管埋設装置の先導管 Expired - Fee Related JP2509584Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990074608U JP2509584Y2 (ja) 1990-07-13 1990-07-13 泥水循環式管埋設装置の先導管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990074608U JP2509584Y2 (ja) 1990-07-13 1990-07-13 泥水循環式管埋設装置の先導管

Publications (2)

Publication Number Publication Date
JPH0433793U true JPH0433793U (ja) 1992-03-19
JP2509584Y2 JP2509584Y2 (ja) 1996-09-04

Family

ID=31614447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990074608U Expired - Fee Related JP2509584Y2 (ja) 1990-07-13 1990-07-13 泥水循環式管埋設装置の先導管

Country Status (1)

Country Link
JP (1) JP2509584Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155035A (ja) * 1974-06-04 1975-12-13
JPS5616793A (en) * 1979-07-16 1981-02-18 Maeda Construction Muddy water pressurization shield machine with earth and sand scavenger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155035A (ja) * 1974-06-04 1975-12-13
JPS5616793A (en) * 1979-07-16 1981-02-18 Maeda Construction Muddy water pressurization shield machine with earth and sand scavenger

Also Published As

Publication number Publication date
JP2509584Y2 (ja) 1996-09-04

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees