JPH0437995Y2 - - Google Patents

Info

Publication number
JPH0437995Y2
JPH0437995Y2 JP1985096743U JP9674385U JPH0437995Y2 JP H0437995 Y2 JPH0437995 Y2 JP H0437995Y2 JP 1985096743 U JP1985096743 U JP 1985096743U JP 9674385 U JP9674385 U JP 9674385U JP H0437995 Y2 JPH0437995 Y2 JP H0437995Y2
Authority
JP
Japan
Prior art keywords
tip
head
piston
piston rod
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.)
Expired
Application number
JP1985096743U
Other languages
English (en)
Japanese (ja)
Other versions
JPS627487U (pm
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 (pm)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=30962841

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0437995Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2753558B2 (ja) * 1989-12-28 1998-05-20 日本電信電話株式会社 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

Family Cites Families (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

Also Published As

Publication number Publication date
JPS627487U (pm) 1987-01-17

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