JPH0732632Y2 - 小口径管推進機の方向修正装置 - Google Patents

小口径管推進機の方向修正装置

Info

Publication number
JPH0732632Y2
JPH0732632Y2 JP1990106786U JP10678690U JPH0732632Y2 JP H0732632 Y2 JPH0732632 Y2 JP H0732632Y2 JP 1990106786 U JP1990106786 U JP 1990106786U JP 10678690 U JP10678690 U JP 10678690U JP H0732632 Y2 JPH0732632 Y2 JP H0732632Y2
Authority
JP
Japan
Prior art keywords
propulsion
conduit
tip
pipe
small
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 - Lifetime
Application number
JP1990106786U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0465891U (en]
Inventor
辰一 岡本
Original Assignee
株式会社岡本特殊土木
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 by 株式会社岡本特殊土木 filed Critical 株式会社岡本特殊土木
Priority to JP1990106786U priority Critical patent/JPH0732632Y2/ja
Publication of JPH0465891U publication Critical patent/JPH0465891U/ja
Application granted granted Critical
Publication of JPH0732632Y2 publication Critical patent/JPH0732632Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP1990106786U 1990-10-11 1990-10-11 小口径管推進機の方向修正装置 Expired - Lifetime JPH0732632Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990106786U JPH0732632Y2 (ja) 1990-10-11 1990-10-11 小口径管推進機の方向修正装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990106786U JPH0732632Y2 (ja) 1990-10-11 1990-10-11 小口径管推進機の方向修正装置

Publications (2)

Publication Number Publication Date
JPH0465891U JPH0465891U (en]) 1992-06-09
JPH0732632Y2 true JPH0732632Y2 (ja) 1995-07-26

Family

ID=31853016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990106786U Expired - Lifetime JPH0732632Y2 (ja) 1990-10-11 1990-10-11 小口径管推進機の方向修正装置

Country Status (1)

Country Link
JP (1) JPH0732632Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637691B2 (ja) * 1994-04-04 1997-08-06 大林道路株式会社 地中推進装置及び地中推進方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60226997A (ja) * 1984-04-24 1985-11-12 石津　磐根 管体推進埋設装置

Also Published As

Publication number Publication date
JPH0465891U (en]) 1992-06-09

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