JPS6381996U - - Google Patents

Info

Publication number
JPS6381996U
JPS6381996U JP17439486U JP17439486U JPS6381996U JP S6381996 U JPS6381996 U JP S6381996U JP 17439486 U JP17439486 U JP 17439486U JP 17439486 U JP17439486 U JP 17439486U JP S6381996 U JPS6381996 U JP S6381996U
Authority
JP
Japan
Prior art keywords
shield
outer shell
shell structure
cylindrical
tunnel excavator
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
JP17439486U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0349192Y2 (US06486227-20021126-C00005.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 JP17439486U priority Critical patent/JPH0349192Y2/ja
Publication of JPS6381996U publication Critical patent/JPS6381996U/ja
Application granted granted Critical
Publication of JPH0349192Y2 publication Critical patent/JPH0349192Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP17439486U 1986-11-13 1986-11-13 Expired JPH0349192Y2 (US06486227-20021126-C00005.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17439486U JPH0349192Y2 (US06486227-20021126-C00005.png) 1986-11-13 1986-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17439486U JPH0349192Y2 (US06486227-20021126-C00005.png) 1986-11-13 1986-11-13

Publications (2)

Publication Number Publication Date
JPS6381996U true JPS6381996U (US06486227-20021126-C00005.png) 1988-05-30
JPH0349192Y2 JPH0349192Y2 (US06486227-20021126-C00005.png) 1991-10-21

Family

ID=31112736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17439486U Expired JPH0349192Y2 (US06486227-20021126-C00005.png) 1986-11-13 1986-11-13

Country Status (1)

Country Link
JP (1) JPH0349192Y2 (US06486227-20021126-C00005.png)

Also Published As

Publication number Publication date
JPH0349192Y2 (US06486227-20021126-C00005.png) 1991-10-21

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