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)
Japanese (ja)
Other versions
JPH0437995Y2 (US20020051482A1-20020502-M00012.png
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)
JP1985096743U 1985-06-27 1985-06-27 Expired JPH0437995Y2 (US20020051482A1-20020502-M00012.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985096743U JPH0437995Y2 (US20020051482A1-20020502-M00012.png) 1985-06-27 1985-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985096743U JPH0437995Y2 (US20020051482A1-20020502-M00012.png) 1985-06-27 1985-06-27

Publications (2)

Publication Number Publication Date
JPS627487U true JPS627487U (US20020051482A1-20020502-M00012.png) 1987-01-17
JPH0437995Y2 JPH0437995Y2 (US20020051482A1-20020502-M00012.png) 1992-09-07

Family

ID=30962841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985096743U Expired JPH0437995Y2 (US20020051482A1-20020502-M00012.png) 1985-06-27 1985-06-27

Country Status (1)

Country Link
JP (1) JPH0437995Y2 (US20020051482A1-20020502-M00012.png)

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 (US20020051482A1-20020502-M00012.png) 1992-09-07

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