JPH0414497Y2 - - Google Patents
Info
- Publication number
- JPH0414497Y2 JPH0414497Y2 JP1989033234U JP3323489U JPH0414497Y2 JP H0414497 Y2 JPH0414497 Y2 JP H0414497Y2 JP 1989033234 U JP1989033234 U JP 1989033234U JP 3323489 U JP3323489 U JP 3323489U JP H0414497 Y2 JPH0414497 Y2 JP H0414497Y2
- Authority
- JP
- Japan
- Prior art keywords
- frame member
- hinge
- lower frame
- rope
- curtain material
- 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
- 238000009792 diffusion process Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989033234U JPH0414497Y2 (pt) | 1989-03-27 | 1989-03-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989033234U JPH0414497Y2 (pt) | 1989-03-27 | 1989-03-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02125036U JPH02125036U (pt) | 1990-10-15 |
JPH0414497Y2 true JPH0414497Y2 (pt) | 1992-03-31 |
Family
ID=31536734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989033234U Expired JPH0414497Y2 (pt) | 1989-03-27 | 1989-03-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0414497Y2 (pt) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5019857A (pt) * | 1973-06-21 | 1975-03-03 | ||
JPS5135056A (pt) * | 1974-09-19 | 1976-03-25 | Matsushita Electric Ind Co Ltd | |
JPS5746634B2 (pt) * | 1974-05-10 | 1982-10-04 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS595069Y2 (ja) * | 1980-08-29 | 1984-02-15 | 若松港湾工業株式会社 | 浚渫用汚濁拡散防止枠 |
-
1989
- 1989-03-27 JP JP1989033234U patent/JPH0414497Y2/ja not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5019857A (pt) * | 1973-06-21 | 1975-03-03 | ||
JPS5746634B2 (pt) * | 1974-05-10 | 1982-10-04 | ||
JPS5135056A (pt) * | 1974-09-19 | 1976-03-25 | Matsushita Electric Ind Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPH02125036U (pt) | 1990-10-15 |
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