JPH0475993B2 - - Google Patents

Info

Publication number
JPH0475993B2
JPH0475993B2 JP19501786A JP19501786A JPH0475993B2 JP H0475993 B2 JPH0475993 B2 JP H0475993B2 JP 19501786 A JP19501786 A JP 19501786A JP 19501786 A JP19501786 A JP 19501786A JP H0475993 B2 JPH0475993 B2 JP H0475993B2
Authority
JP
Japan
Prior art keywords
steel pipe
head
impact
piston
type propulsion
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
JP19501786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6351597A (ja
Inventor
Yogo Isonishi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP19501786A priority Critical patent/JPS6351597A/ja
Publication of JPS6351597A publication Critical patent/JPS6351597A/ja
Publication of JPH0475993B2 publication Critical patent/JPH0475993B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP19501786A 1986-08-20 1986-08-20 衝撃式推進工法 Granted JPS6351597A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19501786A JPS6351597A (ja) 1986-08-20 1986-08-20 衝撃式推進工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19501786A JPS6351597A (ja) 1986-08-20 1986-08-20 衝撃式推進工法

Publications (2)

Publication Number Publication Date
JPS6351597A JPS6351597A (ja) 1988-03-04
JPH0475993B2 true JPH0475993B2 (enrdf_load_stackoverflow) 1992-12-02

Family

ID=16334145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19501786A Granted JPS6351597A (ja) 1986-08-20 1986-08-20 衝撃式推進工法

Country Status (1)

Country Link
JP (1) JPS6351597A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6378999A (ja) * 1986-09-22 1988-04-09 松坂貿易株式会社 鋼管の打撃推進工法および装置

Also Published As

Publication number Publication date
JPS6351597A (ja) 1988-03-04

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