JPS6234918B2 - - Google Patents

Info

Publication number
JPS6234918B2
JPS6234918B2 JP56106288A JP10628881A JPS6234918B2 JP S6234918 B2 JPS6234918 B2 JP S6234918B2 JP 56106288 A JP56106288 A JP 56106288A JP 10628881 A JP10628881 A JP 10628881A JP S6234918 B2 JPS6234918 B2 JP S6234918B2
Authority
JP
Japan
Prior art keywords
casing rod
casing
rod
bit
shaft
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
JP56106288A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5811297A (ja
Inventor
Hajime Eto
Kyoshi Kodama
Haruo Ooshika
Masanori Hanada
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
Koken Boring Machine Co Ltd
Original Assignee
Tokyo Gas Co Ltd
Nippon Kokan Ltd
Koken Sisui Kogyo KK
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, Koken Sisui Kogyo KK filed Critical Tokyo Gas Co Ltd
Priority to JP10628881A priority Critical patent/JPS5811297A/ja
Publication of JPS5811297A publication Critical patent/JPS5811297A/ja
Publication of JPS6234918B2 publication Critical patent/JPS6234918B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP10628881A 1981-07-09 1981-07-09 小口径管の水平長距離削進工法 Granted JPS5811297A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10628881A JPS5811297A (ja) 1981-07-09 1981-07-09 小口径管の水平長距離削進工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10628881A JPS5811297A (ja) 1981-07-09 1981-07-09 小口径管の水平長距離削進工法

Publications (2)

Publication Number Publication Date
JPS5811297A JPS5811297A (ja) 1983-01-22
JPS6234918B2 true JPS6234918B2 (enrdf_load_stackoverflow) 1987-07-29

Family

ID=14429870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10628881A Granted JPS5811297A (ja) 1981-07-09 1981-07-09 小口径管の水平長距離削進工法

Country Status (1)

Country Link
JP (1) JPS5811297A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6157921B2 (ja) * 2013-05-14 2017-07-05 三和機材株式会社 既設埋設管の改築推進装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023534B2 (enrdf_load_stackoverflow) * 1972-02-18 1975-08-08
JPS5448912A (en) * 1977-09-27 1979-04-17 Teiseki Sakusei Kougiyou Kk Device of laying large aperture pipe while expanding arched hole

Also Published As

Publication number Publication date
JPS5811297A (ja) 1983-01-22

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