JPH01111794U - - Google Patents

Info

Publication number
JPH01111794U
JPH01111794U JP221688U JP221688U JPH01111794U JP H01111794 U JPH01111794 U JP H01111794U JP 221688 U JP221688 U JP 221688U JP 221688 U JP221688 U JP 221688U JP H01111794 U JPH01111794 U JP H01111794U
Authority
JP
Japan
Prior art keywords
joining
shield
hood plate
plate
shield tunneling
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
JP221688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0516317Y2 (US07714131-20100511-C00001.png
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 JP221688U priority Critical patent/JPH0516317Y2/ja
Publication of JPH01111794U publication Critical patent/JPH01111794U/ja
Application granted granted Critical
Publication of JPH0516317Y2 publication Critical patent/JPH0516317Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP221688U 1988-01-11 1988-01-11 Expired - Lifetime JPH0516317Y2 (US07714131-20100511-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP221688U JPH0516317Y2 (US07714131-20100511-C00001.png) 1988-01-11 1988-01-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP221688U JPH0516317Y2 (US07714131-20100511-C00001.png) 1988-01-11 1988-01-11

Publications (2)

Publication Number Publication Date
JPH01111794U true JPH01111794U (US07714131-20100511-C00001.png) 1989-07-27
JPH0516317Y2 JPH0516317Y2 (US07714131-20100511-C00001.png) 1993-04-28

Family

ID=31202794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP221688U Expired - Lifetime JPH0516317Y2 (US07714131-20100511-C00001.png) 1988-01-11 1988-01-11

Country Status (1)

Country Link
JP (1) JPH0516317Y2 (US07714131-20100511-C00001.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004588A1 (en) * 1986-12-18 1988-06-30 Itokazu, Kowa Hole saw

Also Published As

Publication number Publication date
JPH0516317Y2 (US07714131-20100511-C00001.png) 1993-04-28

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