JPH0118677Y2 - - Google Patents
Info
- Publication number
- JPH0118677Y2 JPH0118677Y2 JP1983097940U JP9794083U JPH0118677Y2 JP H0118677 Y2 JPH0118677 Y2 JP H0118677Y2 JP 1983097940 U JP1983097940 U JP 1983097940U JP 9794083 U JP9794083 U JP 9794083U JP H0118677 Y2 JPH0118677 Y2 JP H0118677Y2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- valve body
- outer cylinder
- underdrain
- water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9794083U JPS608720U (ja) | 1983-06-27 | 1983-06-27 | 暗渠排水用水閘 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9794083U JPS608720U (ja) | 1983-06-27 | 1983-06-27 | 暗渠排水用水閘 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS608720U JPS608720U (ja) | 1985-01-22 |
| JPH0118677Y2 true JPH0118677Y2 (bg) | 1989-05-31 |
Family
ID=30232753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9794083U Granted JPS608720U (ja) | 1983-06-27 | 1983-06-27 | 暗渠排水用水閘 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS608720U (bg) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816633B1 (bg) * | 1970-12-15 | 1973-05-23 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5415458Y2 (bg) * | 1971-04-30 | 1979-06-21 |
-
1983
- 1983-06-27 JP JP9794083U patent/JPS608720U/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4816633B1 (bg) * | 1970-12-15 | 1973-05-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS608720U (ja) | 1985-01-22 |
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