ZA89922B - Dredgers - Google Patents
DredgersInfo
- Publication number
- ZA89922B ZA89922B ZA89922A ZA89922A ZA89922B ZA 89922 B ZA89922 B ZA 89922B ZA 89922 A ZA89922 A ZA 89922A ZA 89922 A ZA89922 A ZA 89922A ZA 89922 B ZA89922 B ZA 89922B
- Authority
- ZA
- South Africa
- Prior art keywords
- thrust means
- support member
- water
- force
- dredgers
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
-
- 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
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/003—Dredgers or soil-shifting machines for special purposes for uncovering conduits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
- E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
- E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
- E02F5/107—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using blowing-effect devices, e.g. jets
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Treatment Of Sludge (AREA)
- Vending Machines For Individual Products (AREA)
- Fertilizing (AREA)
- Toys (AREA)
- Surgical Instruments (AREA)
- Executing Machine-Instructions (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Medicines Containing Plant Substances (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Centrifugal Separators (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888802907A GB8802907D0 (en) | 1988-02-09 | 1988-02-09 | Wing dredger |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA89922B true ZA89922B (en) | 1990-05-30 |
Family
ID=10631349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA89922A ZA89922B (en) | 1988-02-09 | 1989-02-07 | Dredgers |
Country Status (11)
Country | Link |
---|---|
EP (2) | EP0328198A1 (es) |
KR (1) | KR900700700A (es) |
AT (1) | ATE136967T1 (es) |
AU (1) | AU3039889A (es) |
DE (1) | DE68926295T2 (es) |
ES (1) | ES2088907T3 (es) |
GB (1) | GB8802907D0 (es) |
GR (1) | GR3020562T3 (es) |
SG (1) | SG64359A1 (es) |
WO (1) | WO1989007691A1 (es) |
ZA (1) | ZA89922B (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2297777A (en) * | 1995-02-07 | 1996-08-14 | Hollandsche Betongroep Nv | Underwater excavation apparatus |
GB9512602D0 (en) * | 1995-06-21 | 1995-08-23 | Susman Hector F A | Improvements in or relating to underwater excavation apparatus |
GB2315787B (en) * | 1996-03-01 | 1999-07-21 | Seabed Impeller Levelling And | Dredging apparatus |
DE69630716T2 (de) * | 1996-12-19 | 2004-09-30 | Rotech Holdings Ltd. | Verbesserungen bezüglich einer unterwasserbaggervorrichtung |
NL1007800C2 (nl) * | 1997-12-16 | 1999-06-17 | Dredging Int | Werkwijze voor het vrijmaken van een tenminste gedeeltelijk in een waterbodem gelegen voorwerp en een inrichting hiervoor. |
GB9807070D0 (en) * | 1998-04-01 | 1998-06-03 | Seabed Impeller Levelling And | Dredging apparatus |
GB2359101A (en) * | 2000-02-09 | 2001-08-15 | Thomas Hasler | Dredging Vessel |
FR2825394A1 (fr) * | 2001-06-01 | 2002-12-06 | Philippe Kerherno | Engin de dragage pour souille de quai dans un port fluvial |
GB2444259B (en) | 2006-11-29 | 2011-03-02 | Rotech Holdings Ltd | Improvements in and relating to underwater excavation apparatus |
DE102008022115A1 (de) * | 2008-05-05 | 2009-11-12 | Ralph Melkau | Vorrichtung zur Beseitigung von Sedimenten auf Gewässerböden |
GB201614460D0 (en) * | 2016-08-24 | 2016-10-05 | Rotech Group Ltd | Improvements in and relating to underwater excavation apparatus |
EP4158112A1 (en) | 2020-05-25 | 2023-04-05 | Wing Marine LLC | Material handling systems and methods |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR997304A (fr) * | 1945-07-06 | 1952-01-04 | Perfectionnement aux appareils de draguage et analogues | |
FR920546A (fr) * | 1946-01-21 | 1947-04-10 | Smit & Zoon S Scheeps En Werkt | Perfectionnements aux dragues aspirantes |
DE1961328A1 (de) * | 1969-09-17 | 1971-04-01 | Sub Sea Oil Services Ssos | Unterwasserbagger |
US4123858A (en) * | 1971-07-06 | 1978-11-07 | Batchelder George W | Versatile submersible device for dredging or other underwater functions |
FR2389533B1 (es) * | 1977-05-04 | 1980-02-22 | Nal Expl Oceans Centre | |
NL169765C (nl) * | 1978-12-06 | 1982-08-16 | Konijn Machinebouw Nv | Inrichting voor het losmaken en afvoeren van grond, in het bijzonder onder water. |
US4253255A (en) * | 1979-01-08 | 1981-03-03 | Durell William E | Automated dredging with vacuum assist |
-
1988
- 1988-02-09 GB GB888802907A patent/GB8802907D0/en active Pending
-
1989
- 1989-02-03 EP EP89200239A patent/EP0328198A1/en not_active Withdrawn
- 1989-02-03 DE DE68926295T patent/DE68926295T2/de not_active Expired - Fee Related
- 1989-02-03 AU AU30398/89A patent/AU3039889A/en not_active Abandoned
- 1989-02-03 ES ES89902038T patent/ES2088907T3/es not_active Expired - Lifetime
- 1989-02-03 AT AT89902038T patent/ATE136967T1/de not_active IP Right Cessation
- 1989-02-03 SG SG1996007770A patent/SG64359A1/en unknown
- 1989-02-03 KR KR1019890701747A patent/KR900700700A/ko not_active Application Discontinuation
- 1989-02-03 WO PCT/EP1989/000112 patent/WO1989007691A1/en active IP Right Grant
- 1989-02-03 EP EP89902038A patent/EP0419484B1/en not_active Expired - Lifetime
- 1989-02-07 ZA ZA89922A patent/ZA89922B/xx unknown
-
1996
- 1996-07-17 GR GR960401931T patent/GR3020562T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
WO1989007691A1 (en) | 1989-08-24 |
EP0419484B1 (en) | 1996-04-17 |
GB8802907D0 (en) | 1988-03-09 |
DE68926295D1 (de) | 1996-05-23 |
EP0328198A1 (en) | 1989-08-16 |
EP0419484A1 (en) | 1991-04-03 |
DE68926295T2 (de) | 1997-01-02 |
AU3039889A (en) | 1989-09-06 |
ATE136967T1 (de) | 1996-05-15 |
SG64359A1 (en) | 1999-04-27 |
GR3020562T3 (en) | 1996-10-31 |
KR900700700A (ko) | 1990-08-16 |
ES2088907T3 (es) | 1996-10-01 |
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