JPS59161595A - 小口径管推進機の先導方法及びその装置 - Google Patents

小口径管推進機の先導方法及びその装置

Info

Publication number
JPS59161595A
JPS59161595A JP3441583A JP3441583A JPS59161595A JP S59161595 A JPS59161595 A JP S59161595A JP 3441583 A JP3441583 A JP 3441583A JP 3441583 A JP3441583 A JP 3441583A JP S59161595 A JPS59161595 A JP S59161595A
Authority
JP
Japan
Prior art keywords
piston
leading
cylinder
small
propelled
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.)
Granted
Application number
JP3441583A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522037B2 (enrdf_load_stackoverflow
Inventor
大久保　保夫
中井　晃
洋 高田
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP3441583A priority Critical patent/JPS59161595A/ja
Publication of JPS59161595A publication Critical patent/JPS59161595A/ja
Publication of JPH0522037B2 publication Critical patent/JPH0522037B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP3441583A 1983-03-04 1983-03-04 小口径管推進機の先導方法及びその装置 Granted JPS59161595A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3441583A JPS59161595A (ja) 1983-03-04 1983-03-04 小口径管推進機の先導方法及びその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3441583A JPS59161595A (ja) 1983-03-04 1983-03-04 小口径管推進機の先導方法及びその装置

Publications (2)

Publication Number Publication Date
JPS59161595A true JPS59161595A (ja) 1984-09-12
JPH0522037B2 JPH0522037B2 (enrdf_load_stackoverflow) 1993-03-26

Family

ID=12413561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3441583A Granted JPS59161595A (ja) 1983-03-04 1983-03-04 小口径管推進機の先導方法及びその装置

Country Status (1)

Country Link
JP (1) JPS59161595A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0522037B2 (enrdf_load_stackoverflow) 1993-03-26

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