WO2001052638A1 - Device for anchoring floating cages for fish, fish pots and cages - Google Patents
Device for anchoring floating cages for fish, fish pots and cages Download PDFInfo
- Publication number
- WO2001052638A1 WO2001052638A1 PCT/NO2001/000020 NO0100020W WO0152638A1 WO 2001052638 A1 WO2001052638 A1 WO 2001052638A1 NO 0100020 W NO0100020 W NO 0100020W WO 0152638 A1 WO0152638 A1 WO 0152638A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fish
- unit
- cages
- mooring
- pots
- Prior art date
Links
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 52
- 238000004873 anchoring Methods 0.000 title description 2
- 241000894007 species Species 0.000 claims abstract description 14
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- 230000001105 regulatory Effects 0.000 claims description 10
- 238000009313 farming Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009372 pisciculture Methods 0.000 description 5
- 241000238424 Crustacea Species 0.000 description 3
- 241000237852 Mollusca Species 0.000 description 3
- 241000269978 Pleuronectiformes Species 0.000 description 3
- 241001233037 catfish Species 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 241000238557 Decapoda Species 0.000 description 2
- 210000003932 Urinary Bladder Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000238017 Astacoidea Species 0.000 description 1
- 241000238366 Cephalopoda Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
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- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 230000036633 rest Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
An operation unit (1) mounted so as to move along and be attached to a centre unit (2). The centre unit (2) is situated between a mooring device (3) and a surface unit (4). The operation unit (1) can be operated from the surface through devices such as tubes and image transmission through the centre unit (2). The operation unit (1) can be a fish cage for raising fish or other species, or can be a trapping device or the like.
Description
DEVICE FOR ANCHORING FLOATING CAGES FOR FISH. FISH POTS
AND CAGES
The present invention relates to a system for use with submersible fish farming cages, for cages, fish pots and the like, involving a mooring device, operation and recovery of these with the help of a centrally placed unit. Fish farming and farming of various marine species are about to become a major industry. The main volume of farming and the largest revenues come today from the farming of pelagic species in need of a flat base, such as flat fishes, cat fish etc., molluscs such as squid and others and Crustacea (shrimps and prawns, lobster, crayfish, crab and the like). The largest volume of fish farming involves today the raising of fish in fish cages moored offshore. The conventional type of fish cage is a net pen attached to a floating ring and anchored to the bottom with stays and mooring or ballast blocks. With such an arrangement, the fish cage resembles a baggy net which is best suited for pelagic species and unfit for species which normally live on or close to the sea bed, such as flat fishes, catfish, Crustacea, shellfish, molluscs, etc. The conventional "bag-type" fish cage is not suitable for farming species which live mostly on the sea bed, such as flat fishes, catfish, Crustacea, molluscs, and so forth. Norwegian patent no. 303.313 describes a new type of fish cage where the net pen rests on a flat base or comprises such a base and which, as opposed to the conventional fish cage, opens for new possibilities for farming fresh-water and salt-water demersal species.
The requirements to location of the fish cages are largely dictated by wind, waves and currents, with a view to effective renewal of water for optimal fish growth and for the removal of waste and food remains. These requirements often entail a location which may expose the fish cage to rough weather conditions. The meteorological impact is normally confined to the surface and the upper layers of water and the potential damage caused by extreme weather is reduced by technical devices permanently or temporarily located under the surface.
Norwegian patent no. 173.481 offers a solution where the part of the fish cage which is normally floating at surface level can be submerged when the impact of currents and wind increases. This reduces the potential damage to the fish cage.
Further types of fish-farming units which are kept submerged on a more permanent basis are described in Swedish patent application no. 8307005.
A conventional fish cage is normally floating at surface level and moored with the help of a mooring system which extends far beyond the space of the net pen itself. Due to this, a fish farm occupies a significant amount of space at its mooring location, with consequent restrictions for free passage at sea.
A device based on the present invention localises such functions as mooring, fixing point, contact point and vertical displacement to the centre of the device, according to the so-called centered principle. The device is either permanently fastened to the central arrangement, or can slide, be lifted and lowered and re-attached along said arrangement.
The object of the present invention is to provide a system offering the following characteristics: fish farming on the surface if so desired, a submersible device for operation on a permanent and/or on a temporary basis, a submersible device used as a trapping device, an easy mooring system, when in use, the device can be operated from the surface. This is achieved with the help of a centre unit equipped with a mooring device placed on the sea bed and a surface unit on the surface of the water, and to which an operation unit can be attached while remaining vertically mobile.
Further details of the invention appear from the following description of a preferred embodiment of the invention with reference to the illustrations. Figure 1 illustrates the device of the invention, a centrally positioned submersible operation unit 1 equipped with a mooring system.
Figure 2 shows a second version of the device of the invention. An operation unit 1 is provided around a centre unit 2 and is either permanently fixed to said unit or is moveable and can be mounted at any required vertical position between a mooring device 3 and a surface unit 4.
The operation unit 1 can be a fish cage unit as known from Norwegian patent no. 303.313 or from Norwegian patent application no. 19990660. This can be a structure (such as a fish cage, a cage, a fish pot or the like) with a base 5 and a cover 6 with an intermediate device where the fish is kept. The intermediate device between the base 5 and the cover 6 is not illustrated on the figure. Between the base 5 and the cover 6, a stay 7 may be provided. The operation unit 1 is provided with an air-regulated ballast block 8 which may be a tank filled with a combination of air, water and weights, regulated by filling in and letting out air through a supply hose 9 from the surface 10, for lifting and lowering the operation unit 1. The air-regulated ballast block 8 can be an arrangement as described in
Norwegian patent application no. 19990660, or in an arrangement as shown on fig. 1. The cover 6 is fitted to a central device 11. The central device 11 may be a buoyant body such as a bladder, tank, cork, or the like, and/or an air-regulated ballast block similar to the air-regulated ballast block 8.
The centre unit 2 which is linked to the mooring device 3 and to the surface unit 4 constitutes the centre of the operation unit 1. With the help of the centre unit 2, the operation unit 1 may be moored, positioned to a required vertical position between the sea bed and the surface 10, and has lifting, lowering and parking facilities.
The operation unit 1 is maintained at a buoyancy equilibrium relative to its specific weight and to the mass of its living contents by distribution of the buoyancy function between the central device 11 and the air-regulated ballast block 8 as well as buoyancy elements 12 (which may be air-filled tubes or other floating materials (polystyrene), cork, floating balls etc.) around the circumference.
The buoyancy elements 12 around the circumference of the operation unit 1 may be tubes, bladders, cork or the like on the base 5 or on the cover 6, or between those, or in a combination of said places. The role of the buoyancy elements 12 is to balance the buoyancy of the operation unit 1 in conjunction with the air- regulated ballast block 8 and or 13 and with the central device 11 during lifting or lowering of the operation unit 1. Furthermore, the buoyancy elements 12 function as balancing and stabilizing elements for the operation unit 1 around the centre unit 2. The air-regulated ballast block 8 constitutes the largest part of the weight necessary to lower the operation unit 1 and to counteract the buoyancy.
The species which is being raised in the operation unit 1 may be fed, checked and monitored through the centre unit 2, with the help of adequate systems connecting the interior of the operation unit 1 with the surface 10. These may be supply tubes for feed, image transmission from submerged cameras and measuring instruments for environment parameters such as waste gases, oxygen, light, etc.
In its position at surface level, and with the cover 6 removed, the operation unit 1 may be filled with fry of the species to be raised, and may then be closed again and lowered to the desired depth by letting air out of the air-regulated ballast block 8. In the required vertical position, the operation unit 1 is locked or fastened to the centre unit 2 and the species may be fed, stocked, monitored and raised at a safe distance from waves, not to mention from deadly algae which travel in the surface layers (as they are dependent on UN-light/sunlight). The operation unit 1 can also be a trapping device for various species, for example a fish pot or a fish trap which must then be equipped with the necessary trapping inlets, as known from such devices. Once the desired species are trapped, the unit may either be raised to the surface 10 or the species may be stocked and fed in the operation unit 1 through the centre unit 2. The operation unit 1 has a large scope of applications connected to trapping alone, to combined trapping and farming or to farming alone in a marine context. The operation unit 1 may also be
used to store non-living material in the cases where such a unit would be considered an appropriate storage place.
Claims
1. Device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of water which is especially suitable for farming and trapping of animal species, equipped with a mooring device linked to a surface unit, characterized by a centre unit (2) connected to the sea bed through a mooring device (3) and to the surface of the water (10) through a surface unit (4), and where an operation unit (1) is mounted on the centre unit (2) and can be moved vertically along and fastened to said centre unit (2).
2. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of water of claim 1, characterized in that the operation unit (1) is a fish cage equipped with a cover (6).
3. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of the sea of claim 1, characterized in that the operation unit (1) is a flat-bottomed fish cage equipped with a cover (6).
4. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of the sea of claim 1, characterized in that the operation unit (1) , instead of being a fish cage, is a closed structure (e.g. a cage, fish pot, fish trap or the like).
5. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of water of the above claims characterized in that the centre unit (2) is equipped with devices which can connect the inside of the operation unit (1) to the surface (10) for the purpose of feeding, monitoring, tending, placing of fry, removal of fish or other required operations.
6. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of water of claim 1, characterized in that the operation unit (1) is equipped with a combined buoyancy and lifting device (4, 8, 11).
7. The device for positioning, mooring and operating fish cages, fish pots or fish traps under the surface of water of claim 1, characterized in that to a base (5) of the operation unit (1) are mounted air-regulated ballast blocks (8) and/or
(13) and buoyancy elements (12) mounted to the base (5) and/or to a cover (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO20000336A NO20000336D0 (en) | 2000-01-21 | 2000-01-21 | Device for anchoring cages, tines, cages and the like. |
| NO20000336 | 2000-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2001230636A AU2001230636A1 (en) | 2000-01-21 | 2001-01-22 | Device for anchoring floating cages for fish, fish pots and cages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001052638A1 true WO2001052638A1 (en) | 2001-07-26 |
Family
ID=19910628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NO2001/000020 WO2001052638A1 (en) | 2000-01-21 | 2001-01-22 | Device for anchoring floating cages for fish, fish pots and cages |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2001230636A1 (en) |
| NO (1) | NO20000336D0 (en) |
| WO (1) | WO2001052638A1 (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100385937B1 (en) * | 2001-09-15 | 2003-06-02 | 정정호 | Multipurpose fishing gill net |
| WO2004002221A1 (en) * | 2002-06-28 | 2004-01-08 | Quinta Cortinas Andres | Improved submersible cage |
| KR100424094B1 (en) * | 2002-01-03 | 2004-03-22 | 정정호 | Fishing implements using as a drift gill net |
| ES2268993A1 (en) * | 2005-09-12 | 2007-03-16 | Andres Quinta Cortiñas | Improved submersible farm |
| ES2292306A1 (en) * | 2005-09-12 | 2008-03-01 | Andres Quinta Cortiñas | Submersible nursery has multiple floats, which are regulated to achieve adjustable lift and determining submerged depth, and horizontal structure support is provided for independent armor |
| ES2292307A1 (en) * | 2005-09-12 | 2008-03-01 | Andres Quinta Cortiñas | Platform for baby mussels, has multiple floats that are regulated to achieve adjustable lift submerged at given depth and concentrically arranged separated tracks, where culture cords and mediums are related to each other |
| ES2294940A1 (en) * | 2006-09-08 | 2008-04-01 | Aquafarm 2005, S.L. | Submersible bottom cage for fish farming uses |
| CN102499137A (en) * | 2011-10-26 | 2012-06-20 | 浙江海洋学院 | Multi-way shunt lift type net cage |
| CN102657112A (en) * | 2012-04-10 | 2012-09-12 | 山东安源水产股份有限公司 | Ecological breeding net cage for cocultivation of sea cucumbers and sea urchins |
| WO2013032818A1 (en) * | 2011-08-30 | 2013-03-07 | Hawaii Oceanic Technolgy, Incorporated | Automated open ocean fish farm structures and systems for open ocean fish farming |
| CN103734057A (en) * | 2014-01-02 | 2014-04-23 | 浙江海洋学院 | Deep water cage with pulley lifting mechanism |
| CN104412919A (en) * | 2013-09-04 | 2015-03-18 | 敖志辉 | Sea cucumber youngling benthic ecosystem temporary aquaculture device |
| EP2893804A4 (en) * | 2012-09-03 | 2015-11-25 | Ecosea Farming S A | Reservoir-cage submersion system for the culture and/or containment of hydrobiological species |
| NO20181032A1 (en) * | 2015-08-12 | 2017-02-13 | Hauge Aqua As | A fish rearing tank comprising an egg-shaped shell with ballast |
| WO2017042786A1 (en) * | 2016-07-19 | 2017-03-16 | Universidad Tecnológica De Panamá | Trap for crustaceans with automatic floatation |
| WO2018056831A1 (en) * | 2016-09-20 | 2018-03-29 | Pe Reefs As | Submerged cultivation rig and method of raising or lowering same |
| NO20170298A1 (en) * | 2017-03-01 | 2018-09-03 | Searas As | Submerged cage |
| FR3067906A1 (en) * | 2017-06-27 | 2018-12-28 | Serge Menard | FLOATING AND SUBMERSIBLE HIGH SEA AQUACULTURE INSTALLATION |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63304929A (en) * | 1987-06-05 | 1988-12-13 | Furuno Electric Co Ltd | Device for adjusting position of fish reserve |
| US5251571A (en) * | 1990-09-04 | 1993-10-12 | Innovation & Development Partners Inc./Idp Inc. | Submersible cage system for culturing aquatic animals |
| US5970917A (en) * | 1998-02-27 | 1999-10-26 | Keith, Jr.; Richard W. | Marine aquaculture apparatus |
-
2000
- 2000-01-21 NO NO20000336A patent/NO20000336D0/en unknown
-
2001
- 2001-01-22 WO PCT/NO2001/000020 patent/WO2001052638A1/en active Application Filing
- 2001-01-22 AU AU2001230636A patent/AU2001230636A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63304929A (en) * | 1987-06-05 | 1988-12-13 | Furuno Electric Co Ltd | Device for adjusting position of fish reserve |
| US5251571A (en) * | 1990-09-04 | 1993-10-12 | Innovation & Development Partners Inc./Idp Inc. | Submersible cage system for culturing aquatic animals |
| US5970917A (en) * | 1998-02-27 | 1999-10-26 | Keith, Jr.; Richard W. | Marine aquaculture apparatus |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100385937B1 (en) * | 2001-09-15 | 2003-06-02 | 정정호 | Multipurpose fishing gill net |
| KR100424094B1 (en) * | 2002-01-03 | 2004-03-22 | 정정호 | Fishing implements using as a drift gill net |
| WO2004002221A1 (en) * | 2002-06-28 | 2004-01-08 | Quinta Cortinas Andres | Improved submersible cage |
| ES2216683A1 (en) * | 2002-06-28 | 2004-10-16 | Andres Quinta Cortiñas | Improved submersible cage |
| ES2268993A1 (en) * | 2005-09-12 | 2007-03-16 | Andres Quinta Cortiñas | Improved submersible farm |
| WO2007031591A1 (en) * | 2005-09-12 | 2007-03-22 | Quinta Cortinas Andres | Improved submersible farm |
| ES2292306A1 (en) * | 2005-09-12 | 2008-03-01 | Andres Quinta Cortiñas | Submersible nursery has multiple floats, which are regulated to achieve adjustable lift and determining submerged depth, and horizontal structure support is provided for independent armor |
| ES2292307A1 (en) * | 2005-09-12 | 2008-03-01 | Andres Quinta Cortiñas | Platform for baby mussels, has multiple floats that are regulated to achieve adjustable lift submerged at given depth and concentrically arranged separated tracks, where culture cords and mediums are related to each other |
| ES2294940A1 (en) * | 2006-09-08 | 2008-04-01 | Aquafarm 2005, S.L. | Submersible bottom cage for fish farming uses |
| EP1969925A1 (en) * | 2006-09-08 | 2008-09-17 | Aquafarm 2005, S.L. | Submersible bottom cage for fish farming uses |
| US9655347B2 (en) | 2006-10-10 | 2017-05-23 | William A Spencer, Jr. | Automated open ocean fish farm structures and systems for open ocean fish farming |
| WO2013032818A1 (en) * | 2011-08-30 | 2013-03-07 | Hawaii Oceanic Technolgy, Incorporated | Automated open ocean fish farm structures and systems for open ocean fish farming |
| CN102499137A (en) * | 2011-10-26 | 2012-06-20 | 浙江海洋学院 | Multi-way shunt lift type net cage |
| CN102657112A (en) * | 2012-04-10 | 2012-09-12 | 山东安源水产股份有限公司 | Ecological breeding net cage for cocultivation of sea cucumbers and sea urchins |
| EP2893804A4 (en) * | 2012-09-03 | 2015-11-25 | Ecosea Farming S A | Reservoir-cage submersion system for the culture and/or containment of hydrobiological species |
| CN104412919A (en) * | 2013-09-04 | 2015-03-18 | 敖志辉 | Sea cucumber youngling benthic ecosystem temporary aquaculture device |
| CN103734057B (en) * | 2014-01-02 | 2015-06-03 | 浙江海洋学院 | Deep water cage with pulley lifting mechanism |
| CN103734057A (en) * | 2014-01-02 | 2014-04-23 | 浙江海洋学院 | Deep water cage with pulley lifting mechanism |
| NO20181032A1 (en) * | 2015-08-12 | 2017-02-13 | Hauge Aqua As | A fish rearing tank comprising an egg-shaped shell with ballast |
| NO344323B1 (en) * | 2015-08-12 | 2019-11-04 | Hauge Aqua Solutions As | An egg-shaped fish rearing tank and a method of rearing fish |
| WO2017042786A1 (en) * | 2016-07-19 | 2017-03-16 | Universidad Tecnológica De Panamá | Trap for crustaceans with automatic floatation |
| WO2018056831A1 (en) * | 2016-09-20 | 2018-03-29 | Pe Reefs As | Submerged cultivation rig and method of raising or lowering same |
| NO20170298A1 (en) * | 2017-03-01 | 2018-09-03 | Searas As | Submerged cage |
| WO2018169407A1 (en) * | 2017-03-01 | 2018-09-20 | Searas As | Submersible cage |
| NO344106B1 (en) * | 2017-03-01 | 2019-09-02 | Searas As | Submerged cage |
| FR3067906A1 (en) * | 2017-06-27 | 2018-12-28 | Serge Menard | FLOATING AND SUBMERSIBLE HIGH SEA AQUACULTURE INSTALLATION |
| WO2019001768A1 (en) * | 2017-06-27 | 2019-01-03 | Serge Menard | Floating and submersible high-sea aquaculture installation |
| CN111386037A (en) * | 2017-06-27 | 2020-07-07 | 塞尔日·梅纳德 | Floating submerged type open sea aquaculture facility |
Also Published As
| Publication number | Publication date |
|---|---|
| NO20000336D0 (en) | 2000-01-21 |
| AU2001230636A1 (en) | 2001-07-31 |
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