JPS61198397U - - Google Patents

Info

Publication number
JPS61198397U
JPS61198397U JP8349985U JP8349985U JPS61198397U JP S61198397 U JPS61198397 U JP S61198397U JP 8349985 U JP8349985 U JP 8349985U JP 8349985 U JP8349985 U JP 8349985U JP S61198397 U JPS61198397 U JP S61198397U
Authority
JP
Japan
Prior art keywords
cutting edge
propulsion device
wall
cylindrical
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.)
Pending
Application number
JP8349985U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP8349985U priority Critical patent/JPS61198397U/ja
Publication of JPS61198397U publication Critical patent/JPS61198397U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP8349985U 1985-06-03 1985-06-03 Pending JPS61198397U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8349985U JPS61198397U (cs) 1985-06-03 1985-06-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8349985U JPS61198397U (cs) 1985-06-03 1985-06-03

Publications (1)

Publication Number Publication Date
JPS61198397U true JPS61198397U (cs) 1986-12-11

Family

ID=30632184

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8349985U Pending JPS61198397U (cs) 1985-06-03 1985-06-03

Country Status (1)

Country Link
JP (1) JPS61198397U (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0372194A (ja) * 1989-08-12 1991-03-27 Nitsusoo:Kk 穴の掘削方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179993A (ja) * 1983-03-30 1984-10-12 三井建設株式会社 立坑の構築方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179993A (ja) * 1983-03-30 1984-10-12 三井建設株式会社 立坑の構築方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0372194A (ja) * 1989-08-12 1991-03-27 Nitsusoo:Kk 穴の掘削方法

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