JPS61193196U - - Google Patents
Info
- Publication number
- JPS61193196U JPS61193196U JP7634485U JP7634485U JPS61193196U JP S61193196 U JPS61193196 U JP S61193196U JP 7634485 U JP7634485 U JP 7634485U JP 7634485 U JP7634485 U JP 7634485U JP S61193196 U JPS61193196 U JP S61193196U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- chamber
- bulkhead
- shield
- earth
- 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
Links
- 239000004576 sand Substances 0.000 claims description 6
- 230000005641 tunneling Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7634485U JPH0332634Y2 (en, 2012) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7634485U JPH0332634Y2 (en, 2012) | 1985-05-24 | 1985-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61193196U true JPS61193196U (en, 2012) | 1986-12-01 |
| JPH0332634Y2 JPH0332634Y2 (en, 2012) | 1991-07-10 |
Family
ID=30618395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7634485U Expired JPH0332634Y2 (en, 2012) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332634Y2 (en, 2012) |
-
1985
- 1985-05-24 JP JP7634485U patent/JPH0332634Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332634Y2 (en, 2012) | 1991-07-10 |
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