FR2239562B1 - - Google Patents
Info
- Publication number
- FR2239562B1 FR2239562B1 FR7426646A FR7426646A FR2239562B1 FR 2239562 B1 FR2239562 B1 FR 2239562B1 FR 7426646 A FR7426646 A FR 7426646A FR 7426646 A FR7426646 A FR 7426646A FR 2239562 B1 FR2239562 B1 FR 2239562B1
- Authority
- FR
- France
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9206—Digging devices using blowing effect only, like jets or propellers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9243—Passive suction heads with no mechanical cutting means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Bridges Or Land Bridges (AREA)
- Ship Loading And Unloading (AREA)
- Revetment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7310646A NL156204B (en) | 1973-08-01 | 1973-08-01 | DEVICE FOR DROWING AT VARIABLE DEPTH. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2239562A1 FR2239562A1 (en) | 1975-02-28 |
FR2239562B1 true FR2239562B1 (en) | 1981-04-17 |
Family
ID=19819356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7426646A Expired FR2239562B1 (en) | 1973-08-01 | 1974-07-31 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE818281A (en) |
DE (1) | DE2433556C3 (en) |
FR (1) | FR2239562B1 (en) |
GB (1) | GB1470308A (en) |
NL (1) | NL156204B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005669A1 (en) * | 1980-02-15 | 1981-10-01 | Schüttgutfördertechnik AG, 9009 St. Gallen | DEVICE FOR CONVEYING SHEET-CAPABLE GOODS, ESPECIALLY SAND STORED UNDER WATER, GRAVEL OR THE LIKE. |
CN102733434B (en) * | 2011-04-11 | 2015-01-07 | 中交上海航道勘察设计研究院有限公司 | Method for dredging underwater polluted sediment |
BE1021787B1 (en) * | 2013-11-05 | 2016-01-18 | Jan De Nul, Naamloze Vennootschap | EXTENSION FOR A CUTTER PISTON CUTTER ARM, CUTTER PISTON AND PROCESS TO DISCHARGE A BOTTOM OF A WATER MASS |
GB202007660D0 (en) | 2019-11-18 | 2020-07-08 | Harwich Haven Authority | Dredging method and apparatus |
CN112177081B (en) * | 2020-09-25 | 2022-11-25 | 肖正新 | Scouring device with anti-subsidence structure arranged on river channel sludge and implementation method thereof |
-
1973
- 1973-08-01 NL NL7310646A patent/NL156204B/en not_active IP Right Cessation
-
1974
- 1974-07-12 DE DE19742433556 patent/DE2433556C3/en not_active Expired
- 1974-07-12 GB GB3109574A patent/GB1470308A/en not_active Expired
- 1974-07-30 BE BE7000554A patent/BE818281A/en not_active IP Right Cessation
- 1974-07-31 FR FR7426646A patent/FR2239562B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2433556A1 (en) | 1975-02-20 |
DE2433556C3 (en) | 1978-06-01 |
BE818281A (en) | 1975-01-30 |
GB1470308A (en) | 1977-04-14 |
FR2239562A1 (en) | 1975-02-28 |
NL156204B (en) | 1978-03-15 |
DE2433556B2 (en) | 1977-09-29 |
NL7310646A (en) | 1975-02-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |