JPS5785497A - Double tube propelling method - Google Patents

Double tube propelling method

Info

Publication number
JPS5785497A
JPS5785497A JP15994580A JP15994580A JPS5785497A JP S5785497 A JPS5785497 A JP S5785497A JP 15994580 A JP15994580 A JP 15994580A JP 15994580 A JP15994580 A JP 15994580A JP S5785497 A JPS5785497 A JP S5785497A
Authority
JP
Japan
Prior art keywords
double tube
propelling method
tube propelling
double
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.)
Pending
Application number
JP15994580A
Other languages
Japanese (ja)
Inventor
Susumu Iketani
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.)
Fusou Giken Kk
Original Assignee
Fusou Giken 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 Fusou Giken Kk filed Critical Fusou Giken Kk
Priority to JP15994580A priority Critical patent/JPS5785497A/en
Publication of JPS5785497A publication Critical patent/JPS5785497A/en
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP15994580A 1980-11-12 1980-11-12 Double tube propelling method Pending JPS5785497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15994580A JPS5785497A (en) 1980-11-12 1980-11-12 Double tube propelling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15994580A JPS5785497A (en) 1980-11-12 1980-11-12 Double tube propelling method

Publications (1)

Publication Number Publication Date
JPS5785497A true JPS5785497A (en) 1982-05-28

Family

ID=15704582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15994580A Pending JPS5785497A (en) 1980-11-12 1980-11-12 Double tube propelling method

Country Status (1)

Country Link
JP (1) JPS5785497A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59160693U (en) * 1983-04-11 1984-10-27 葵特殊土木株式会社 Blade tip device for underground pipe propulsion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59160693U (en) * 1983-04-11 1984-10-27 葵特殊土木株式会社 Blade tip device for underground pipe propulsion

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