JPH0529227Y2 - - Google Patents
Info
- Publication number
- JPH0529227Y2 JPH0529227Y2 JP15238989U JP15238989U JPH0529227Y2 JP H0529227 Y2 JPH0529227 Y2 JP H0529227Y2 JP 15238989 U JP15238989 U JP 15238989U JP 15238989 U JP15238989 U JP 15238989U JP H0529227 Y2 JPH0529227 Y2 JP H0529227Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- gate
- fish
- fishway
- dam
- 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 - Lifetime
Links
- 241000251468 Actinopterygii Species 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000463 material Substances 0.000 claims 1
- 230000037452 priming Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Farming Of Fish And Shellfish (AREA)
- Barrages (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15238989U JPH0529227Y2 (en]) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15238989U JPH0529227Y2 (en]) | 1989-12-27 | 1989-12-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0389734U JPH0389734U (en]) | 1991-09-12 |
| JPH0529227Y2 true JPH0529227Y2 (en]) | 1993-07-27 |
Family
ID=31698656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15238989U Expired - Lifetime JPH0529227Y2 (en]) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529227Y2 (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5526404B2 (ja) * | 2009-09-04 | 2014-06-18 | 公益財団法人北九州産業学術推進機構 | サイフォン式パイプ魚道 |
| JP5737675B2 (ja) * | 2011-03-09 | 2015-06-17 | 井上 虎男 | 砂防堰 |
-
1989
- 1989-12-27 JP JP15238989U patent/JPH0529227Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0389734U (en]) | 1991-09-12 |
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