JPH0246549Y2 - - Google Patents
Info
- Publication number
- JPH0246549Y2 JPH0246549Y2 JP801785U JP801785U JPH0246549Y2 JP H0246549 Y2 JPH0246549 Y2 JP H0246549Y2 JP 801785 U JP801785 U JP 801785U JP 801785 U JP801785 U JP 801785U JP H0246549 Y2 JPH0246549 Y2 JP H0246549Y2
- Authority
- JP
- Japan
- Prior art keywords
- borehole
- fixed
- pump
- cylinder
- rod
- 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
- 238000007789 sealing Methods 0.000 claims description 22
- 230000000452 restraining effect Effects 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP801785U JPH0246549Y2 (enrdf_load_stackoverflow) | 1985-01-25 | 1985-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP801785U JPH0246549Y2 (enrdf_load_stackoverflow) | 1985-01-25 | 1985-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61125590U JPS61125590U (enrdf_load_stackoverflow) | 1986-08-07 |
| JPH0246549Y2 true JPH0246549Y2 (enrdf_load_stackoverflow) | 1990-12-07 |
Family
ID=30486912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP801785U Expired JPH0246549Y2 (enrdf_load_stackoverflow) | 1985-01-25 | 1985-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246549Y2 (enrdf_load_stackoverflow) |
-
1985
- 1985-01-25 JP JP801785U patent/JPH0246549Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61125590U (enrdf_load_stackoverflow) | 1986-08-07 |
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