JPS6139025Y2 - - Google Patents
Info
- Publication number
- JPS6139025Y2 JPS6139025Y2 JP17746081U JP17746081U JPS6139025Y2 JP S6139025 Y2 JPS6139025 Y2 JP S6139025Y2 JP 17746081 U JP17746081 U JP 17746081U JP 17746081 U JP17746081 U JP 17746081U JP S6139025 Y2 JPS6139025 Y2 JP S6139025Y2
- Authority
- JP
- Japan
- Prior art keywords
- sand
- conveyor
- earth
- excavation
- guide
- 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
Links
- 239000004576 sand Substances 0.000 claims description 30
- 238000009412 basement excavation Methods 0.000 claims description 28
- 239000002689 soil Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17746081U JPS5880498U (ja) | 1981-11-27 | 1981-11-27 | 地中掘削装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17746081U JPS5880498U (ja) | 1981-11-27 | 1981-11-27 | 地中掘削装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5880498U JPS5880498U (ja) | 1983-05-31 |
| JPS6139025Y2 true JPS6139025Y2 (cs) | 1986-11-10 |
Family
ID=29971363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17746081U Granted JPS5880498U (ja) | 1981-11-27 | 1981-11-27 | 地中掘削装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5880498U (cs) |
-
1981
- 1981-11-27 JP JP17746081U patent/JPS5880498U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5880498U (ja) | 1983-05-31 |
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