JPH0137032Y2 - - Google Patents
Info
- Publication number
- JPH0137032Y2 JPH0137032Y2 JP17506284U JP17506284U JPH0137032Y2 JP H0137032 Y2 JPH0137032 Y2 JP H0137032Y2 JP 17506284 U JP17506284 U JP 17506284U JP 17506284 U JP17506284 U JP 17506284U JP H0137032 Y2 JPH0137032 Y2 JP H0137032Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- slurry
- pump
- low differential
- switching valve
- 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
- 239000002002 slurry Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000011435 rock Substances 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 claims description 2
- 239000011362 coarse particle Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17506284U JPH0137032Y2 (OSRAM) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17506284U JPH0137032Y2 (OSRAM) | 1984-11-20 | 1984-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6193589U JPS6193589U (OSRAM) | 1986-06-17 |
| JPH0137032Y2 true JPH0137032Y2 (OSRAM) | 1989-11-09 |
Family
ID=30732668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17506284U Expired JPH0137032Y2 (OSRAM) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0137032Y2 (OSRAM) |
-
1984
- 1984-11-20 JP JP17506284U patent/JPH0137032Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6193589U (OSRAM) | 1986-06-17 |
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