JPH0310798B2 - - Google Patents

Info

Publication number
JPH0310798B2
JPH0310798B2 JP22679582A JP22679582A JPH0310798B2 JP H0310798 B2 JPH0310798 B2 JP H0310798B2 JP 22679582 A JP22679582 A JP 22679582A JP 22679582 A JP22679582 A JP 22679582A JP H0310798 B2 JPH0310798 B2 JP H0310798B2
Authority
JP
Japan
Prior art keywords
tip
bit
hole
tube
inner tube
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
JP22679582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59122697A (ja
Inventor
Koichi Mori
Hajime Eto
Kyoshi Kodama
Osamu Arata
Masanori Hanada
Hisao Takeuchi
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.)
JFE Engineering Corp
Tokyo Gas Co Ltd
Original Assignee
Tokyo Gas Co Ltd
Nippon Kokan 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 Tokyo Gas Co Ltd, Nippon Kokan Ltd filed Critical Tokyo Gas Co Ltd
Priority to JP22679582A priority Critical patent/JPS59122697A/ja
Publication of JPS59122697A publication Critical patent/JPS59122697A/ja
Publication of JPH0310798B2 publication Critical patent/JPH0310798B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP22679582A 1982-12-27 1982-12-27 水平長距離削進工法における孔曲り修正方法及び水平長距離削進工法用の孔曲り修正装置 Granted JPS59122697A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22679582A JPS59122697A (ja) 1982-12-27 1982-12-27 水平長距離削進工法における孔曲り修正方法及び水平長距離削進工法用の孔曲り修正装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22679582A JPS59122697A (ja) 1982-12-27 1982-12-27 水平長距離削進工法における孔曲り修正方法及び水平長距離削進工法用の孔曲り修正装置

Publications (2)

Publication Number Publication Date
JPS59122697A JPS59122697A (ja) 1984-07-16
JPH0310798B2 true JPH0310798B2 (enrdf_load_stackoverflow) 1991-02-14

Family

ID=16850729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22679582A Granted JPS59122697A (ja) 1982-12-27 1982-12-27 水平長距離削進工法における孔曲り修正方法及び水平長距離削進工法用の孔曲り修正装置

Country Status (1)

Country Link
JP (1) JPS59122697A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0696946B2 (ja) * 1988-04-19 1994-11-30 株式会社利根 管の埋設方法及びその装置

Also Published As

Publication number Publication date
JPS59122697A (ja) 1984-07-16

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