JPH0255567B2 - - Google Patents
Info
- Publication number
- JPH0255567B2 JPH0255567B2 JP18780286A JP18780286A JPH0255567B2 JP H0255567 B2 JPH0255567 B2 JP H0255567B2 JP 18780286 A JP18780286 A JP 18780286A JP 18780286 A JP18780286 A JP 18780286A JP H0255567 B2 JPH0255567 B2 JP H0255567B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- obstacle
- shutter
- closing lid
- roistle
- 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
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 241000287828 Gallus gallus Species 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 210000003323 beak Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18780286A JPS6347428A (ja) | 1986-08-12 | 1986-08-12 | ポンプ式浚渫船の障害物除去装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18780286A JPS6347428A (ja) | 1986-08-12 | 1986-08-12 | ポンプ式浚渫船の障害物除去装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6347428A JPS6347428A (ja) | 1988-02-29 |
JPH0255567B2 true JPH0255567B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-11-27 |
Family
ID=16212491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18780286A Granted JPS6347428A (ja) | 1986-08-12 | 1986-08-12 | ポンプ式浚渫船の障害物除去装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6347428A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2496373A (en) * | 2011-10-26 | 2013-05-15 | Ihc Engineering Business Ltd | Underwater trenching apparatus |
-
1986
- 1986-08-12 JP JP18780286A patent/JPS6347428A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6347428A (ja) | 1988-02-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |