JPH0423995Y2 - - Google Patents

Info

Publication number
JPH0423995Y2
JPH0423995Y2 JP9021187U JP9021187U JPH0423995Y2 JP H0423995 Y2 JPH0423995 Y2 JP H0423995Y2 JP 9021187 U JP9021187 U JP 9021187U JP 9021187 U JP9021187 U JP 9021187U JP H0423995 Y2 JPH0423995 Y2 JP H0423995Y2
Authority
JP
Japan
Prior art keywords
water
ring
penetrating
penetration
chamber
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
JP9021187U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63198694U (en]
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 JP9021187U priority Critical patent/JPH0423995Y2/ja
Publication of JPS63198694U publication Critical patent/JPS63198694U/ja
Application granted granted Critical
Publication of JPH0423995Y2 publication Critical patent/JPH0423995Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP9021187U 1987-06-11 1987-06-11 Expired JPH0423995Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9021187U JPH0423995Y2 (en]) 1987-06-11 1987-06-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9021187U JPH0423995Y2 (en]) 1987-06-11 1987-06-11

Publications (2)

Publication Number Publication Date
JPS63198694U JPS63198694U (en]) 1988-12-21
JPH0423995Y2 true JPH0423995Y2 (en]) 1992-06-04

Family

ID=30949871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9021187U Expired JPH0423995Y2 (en]) 1987-06-11 1987-06-11

Country Status (1)

Country Link
JP (1) JPH0423995Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0649662Y2 (ja) * 1989-03-31 1994-12-14 前田建設工業株式会社 シールド掘進機の地中接合装置

Also Published As

Publication number Publication date
JPS63198694U (en]) 1988-12-21

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