JPS627487U - - Google Patents

Info

Publication number
JPS627487U
JPS627487U JP9674385U JP9674385U JPS627487U JP S627487 U JPS627487 U JP S627487U JP 9674385 U JP9674385 U JP 9674385U JP 9674385 U JP9674385 U JP 9674385U JP S627487 U JPS627487 U JP S627487U
Authority
JP
Japan
Prior art keywords
tip
head
tube
buried
retracted
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
JP9674385U
Other languages
English (en)
Other versions
JPH0437995Y2 (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 JP1985096743U priority Critical patent/JPH0437995Y2/ja
Publication of JPS627487U publication Critical patent/JPS627487U/ja
Application granted granted Critical
Publication of JPH0437995Y2 publication Critical patent/JPH0437995Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示し、第１図は直
進時の断面図、第２図は方向制御時の断面図であ
る。 １は先導管、３は先端ヘツド、１８はヘツドカ
バ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 埋設すべき管体１７に先行して地中を推進され
    る先導管１の先端部に、先端面が傾斜する先端ヘ
    ツド３を回転及び前後動自在に設けたものにおい
    て、上記先導管１の先端部に、先端ヘツド３が退
    入できるヘツドカバ１８を設けてなる小口径管推
    進機の先導装置。
JP1985096743U 1985-06-27 1985-06-27 Expired JPH0437995Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985096743U JPH0437995Y2 (ja) 1985-06-27 1985-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985096743U JPH0437995Y2 (ja) 1985-06-27 1985-06-27

Publications (2)

Publication Number Publication Date
JPS627487U true JPS627487U (ja) 1987-01-17
JPH0437995Y2 JPH0437995Y2 (ja) 1992-09-07

Family

ID=30962841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985096743U Expired JPH0437995Y2 (ja) 1985-06-27 1985-06-27

Country Status (1)

Country Link
JP (1) JPH0437995Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03202591A (ja) * 1989-12-28 1991-09-04 Nippon Telegr & Teleph Corp <Ntt> 小口径孔掘削装置及び小口径孔推進工法における方向修正方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542922A (en) * 1978-09-18 1980-03-26 Nitto Kouji Kk Method and device for driving front pipe for buried pipe
JPS57187497A (en) * 1981-05-11 1982-11-18 Susumu Imamura Underground press-in piping machine
JPS59161596A (ja) * 1983-03-04 1984-09-12 株式会社小松製作所 小口径管推進機の先導装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542922A (en) * 1978-09-18 1980-03-26 Nitto Kouji Kk Method and device for driving front pipe for buried pipe
JPS57187497A (en) * 1981-05-11 1982-11-18 Susumu Imamura Underground press-in piping machine
JPS59161596A (ja) * 1983-03-04 1984-09-12 株式会社小松製作所 小口径管推進機の先導装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03202591A (ja) * 1989-12-28 1991-09-04 Nippon Telegr & Teleph Corp <Ntt> 小口径孔掘削装置及び小口径孔推進工法における方向修正方法

Also Published As

Publication number Publication date
JPH0437995Y2 (ja) 1992-09-07

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