JPH0452833B2 - - Google Patents

Info

Publication number
JPH0452833B2
JPH0452833B2 JP61064930A JP6493086A JPH0452833B2 JP H0452833 B2 JPH0452833 B2 JP H0452833B2 JP 61064930 A JP61064930 A JP 61064930A JP 6493086 A JP6493086 A JP 6493086A JP H0452833 B2 JPH0452833 B2 JP H0452833B2
Authority
JP
Japan
Prior art keywords
pipe
leading
propulsion
leading pipe
tapered surface
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
JP61064930A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62225690A (ja
Inventor
Motoyuki Takasu
Koichi Hara
Sumio Fukuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokyu Construction Co Ltd
Original Assignee
Tokyu Construction Co Ltd
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 Tokyu Construction Co Ltd filed Critical Tokyu Construction Co Ltd
Priority to JP6493086A priority Critical patent/JPS62225690A/ja
Publication of JPS62225690A publication Critical patent/JPS62225690A/ja
Publication of JPH0452833B2 publication Critical patent/JPH0452833B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6493086A 1986-03-25 1986-03-25 パイロット管の推進方向の修正方法 Granted JPS62225690A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6493086A JPS62225690A (ja) 1986-03-25 1986-03-25 パイロット管の推進方向の修正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6493086A JPS62225690A (ja) 1986-03-25 1986-03-25 パイロット管の推進方向の修正方法

Publications (2)

Publication Number Publication Date
JPS62225690A JPS62225690A (ja) 1987-10-03
JPH0452833B2 true JPH0452833B2 (en]) 1992-08-24

Family

ID=13272244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6493086A Granted JPS62225690A (ja) 1986-03-25 1986-03-25 パイロット管の推進方向の修正方法

Country Status (1)

Country Link
JP (1) JPS62225690A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650037B2 (ja) * 1989-06-01 1994-06-29 日本鋼管株式会社 地中掘削装置
JPH0774581B2 (ja) * 1989-10-03 1995-08-09 日本鋼管株式会社 地中掘削装置
JPH05133179A (ja) * 1991-11-07 1993-05-28 Nitsusaku:Kk ダウンザホールハンマー工法における削孔方法及び装置
JP2006336263A (ja) * 2005-06-01 2006-12-14 East Japan Railway Co 先導管及びこの先導管の配管工法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6085392U (ja) * 1983-11-14 1985-06-12 株式会社扶桑技研 地中埋設管用の先導管

Also Published As

Publication number Publication date
JPS62225690A (ja) 1987-10-03

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