GB2184631A - Fish breeding apparatus - Google Patents
Fish breeding apparatus Download PDFInfo
- Publication number
- GB2184631A GB2184631A GB08618837A GB8618837A GB2184631A GB 2184631 A GB2184631 A GB 2184631A GB 08618837 A GB08618837 A GB 08618837A GB 8618837 A GB8618837 A GB 8618837A GB 2184631 A GB2184631 A GB 2184631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- breeding apparatus
- members
- fish
- afish
- poles
- 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.)
- Withdrawn
Links
- 238000009395 breeding Methods 0.000 title claims abstract description 55
- 230000001488 breeding effect Effects 0.000 title claims abstract description 55
- 241000251468 Actinopterygii Species 0.000 claims abstract description 51
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims 1
- 235000013305 food Nutrition 0.000 description 7
- 235000015170 shellfish Nutrition 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A fish breeding apparatus comprises a polygonal frame body (1), a net (2) hanging from the frame body and a connecting member or connecting members (12) extending from the frame body toward the interior of the fish breeding apparatus.The polygonal frame body (1) is constituted by connecting a plurality of bar-like floating members (3) together by means of couplings (4A, 4B). Connecting members 12 may provide walkways to a central stage 13, or serve as supports for nets subdividing the enclosure. <IMAGE>
Description
SPECIFICATION
Fish breeding apparatus
The present invention relates to a fish breeding apparatus, which demarcates water in the sea ora river by a net and in which fish and shellfish are cultivated or captured and placed.
As disclosed in Japanese Utility Model Application
No.55-111,642 (Japanese Utility Model Publication
No.60-2,769) and Japanese PatentApplication No.
58-142,419 (Japanese Patent Application Laid-Open No.60-34,121), there have been proposed structures in which a polygonal frame body of a fish breeding apparatus is constituted by connecting a plurality of bar-like floating members together by means of couplings, while a net hangs from the frame body of the fish breeding apparatus.
Such a fish breeding apparatus may be moored to an anchor at a fixed water bottom position ortowed to another place by means of a boat by using ropes connected to the couplings.
Further, fish breeding apparatuses having a large planar projected area (for instance,the diameter of an outer circle being as large as 30 to 100 m) have been realized from a requirement to enhance efficiency in cultivation, capturing and transportation.
However, according to the conventional fish breeding apparatuses of this type, since the water surface is surrounded only by the polygonal frame body constituting the outer periphery of the fish breeding apparatus, it is difficult for a worker to enter the inside of the fish breeding apparatus. In particular, in the case ofthe large scale fish breeding apparatus, it is difficu It to uniformly feed food and it is also difficult to confirm and inspect fish and shellfish and take outweakfish.
That is, in order to enterthe interiorofthefish breeding apparatus when supplying food or tasking out fish and shellfish, there is no appropriate way exceptthat a boat rides over a fence (overtheframe body of the fish breeding apparatus) and a worker rides into the fish breeding apparatus. This is however not easily done.
The present invention aims to overcome or at least mitigate the problems of the prior arttechniques, and provide a fish breeding apparatus, particularly of a large scale, which permits easier access into the interior ofthe fish breeding apparatus and also facilitates food feeding and confirmation and inspection as well as removal of fish and shellfish over a wide range.
According to the present invention, there is provided a fish breeding apparatus comprising a polygonal frame body constituted by a plurality of bar-like floating members connected by means of couplings, a net hanging from the frame body, and a connecting member or members extending from the frame bodytoward the interior ofthefish breeding apparatus.
The expression bar-like member is to be understood to include within its scope any elongate member, whethersolid or a hollow tube, and of any appropriate cross-sectional shape, whether circular, square or otherwise.
In the above construction, it is preferable that a plurality of connecting members are provided and connected to a center stage at theirtip ends to enable a worker to reach the center stage along the connecting members and to work on the center stage.
The invention will be further described, by way of example only, with reference to the accompanying drawings, wherein:
Figure lisa perspective view of a fish breeding apparatus according to the present invention; and
Figure2 is a perspective view of another embodiment of a fish breeding apparatus according to the present invention.
Figure 1 shows a fish breeding apparatus having a construction in which a net 2 hangs from a polygonal (hexagonal in the illustrated embodiment) frame body 1 ofthefish breeding apparatus.
The frame body 1 is constituted by connecting a plurality (six in the illustrated embodiment) of bar-like floating members 3 together by means of couplings 4A, 48.
Each floating member3 is constituted by a member having a fixed profile-maintaining ability and capable of producing a desired buoyancy, for instance a tube of a rubbery elastic material (ordinarily, a material into which reinforcing cords or a canvas is embedded) containing air therein ata specific pressure or a plastic tube into which a foam is charged.
Each coupling 4A,4B may be formed of a metai or plastics, and a step 5 having a desired area informed on the upperfacethereof. Each coupling 4A is of a bifurcated structure which is used to connect two floating members 3, while the coupling 4B is of a trifurcated structure which is used to connect two floating members 3 and a connecting member 12 as described below.
The net 2 hangs into the water from the entire periphery of the frame body 1 of the fish breeding apparatus, and has a weight 6 connected to the lower edge thereof. The net 2 has a bottom face, and forms a hexagonal chamberwith the upper face (water surface) being open as shown.
Poles 7 are attached to each floating member 3 at specific intervals. A net 8 is provided by utilizing the poles 7 for preventing fish from jumping over and necessary hand rails.
Each ofthe couplings 4A and 4B is provided with a fitting portion 10 to connect a rope 9 when mooring ortowing the fish breeding apparatus. In mooring, the tip of the rope 9 is connected to a bottom anchor.
It is preferable that a float 11 is connected to a middle portion ofthe rope to absorb the vertical component ofthe tension of the rope and prevent direct transmission, onto the fish breeding apparatus, of pulsation due to tension and relaxation of the rope caused by waves, when the fish breeding apparatus is moored.
Thus, connecting members 12 which are connected to the frame body 1 of the fish breeding apparatus (more specifically to the couplings 4B) while being kept in the floated state are located insidetheframe body 1.
In the illustrated embodiment, three connecting members 12 extend from the trifurcated couplings 4B substantial Iytoward the center to divide the interiorofthe substantially hexagonal frame body 1 of the fish breeding apparatus into substantially equal three sections, and are connected to a center stage 13 positioned at the center portion attheother ends thereof.
These connecting members 12 and the center stage 1 3are arranged on the water surface in a floated state. Thus, the whole ora part of them are constituted by a floating body.
Forinstance,theconnecting member 12 is designed in a bar-like profile, and may be constituted by a member having a constant profile-maintaining ability and capable of producing a desired buoyancy, for instance a tube made of a rubbery elastic material (ordinarily, a rubbery elastic material into which reinforcing cords or canvas is embedded) which is filled with air at a given pressure or a plastic tube into which foam is charged, as in the floating members3.
The center stage 13 has a floor of a desired area, and informed by a structural body which produces a buoyancy similarto the floating members 3.
Steps 14 are provided at specific intervals on the uppersunface ofthe connecting members 12 for facilitating the access of a person from the frame body 1 to the centerstage 13 In the illustrated fish breeding apparatus, partition nets 15 hang by utilizing the connecting members 12 to partition the interior of the fish breeding apparatus.
In the aforementioned embodiment, sincethe connecting members 12 are provided extending from the fish breeding apparatus frame body 1 toward the interiorthereof, a worker can easily gain access to the interior of the fish breeding apparatus through a connecting member. Thus, food feeding, confirmation, inspection and take-out of fish and shellfish can be easily accomplished.
In the illustrated embodiment, since steps 14 are provided on the upperface of the connecting members 12, the above-mentioned operations can be more easily done.
Since a plurality (three in the illustrated embodiment) of connecting members 12 are provided, and connected to the center stage 13 atthe tip portions thereof, food and instruments or equipment can be carried and put onto the center stage. Further, several workers can simultaneously enterthe interiorofthefish breeding apparatus.
Thus,thefoodfeeding andtheabove-mentioned operations can be more effectiveiy performed.
Since the interiorofthe fish breeding apparatus can be partitioned as necessary by hanging partition nets 15from the connecting members 12, this is convenientwhere fish and shellfish need to be separately cultivated, captured and transported.
In the illustrated embodiment, since the center stage 13 is connected to the fish breeding apparatus by means of a plurality (three in this case) of connecting members 12, the center stage 13 and the connecting members 12 are stably supported while vibrations thereof can be reduced. Thus, it is possibleforthe food feeding and the confirmation and inspection operations to be made easier.
In this embodiment, although the hexagonal frame body 1 of the fish breeding apparatus is formed by six floating members 3, the shape and size ofthefish breeding apparatusframe body can be arbitrarily selected.
Further, steps may be appropriately provided on the couplings 4A, 4B as well as on the outer peripheral floating members 3, if necessary.
In addition, a structure may be adopted wherein the center stage 13 is omitted, the tip portions of the connecting members 12 being connected together by means of a coupling orthe like.
The fish breeding apparatus shown in Figure 2 differs from that shown in Figure 1 in that poles7,a rope and a net 8 are provided along the upper portion ofthe connecting members 12 and on the uppersideofthecenterstage 13. Inthis embodiment, the poles 7 are erected along the connecting members 12 and a rope is stretched over the poles 7, while the net 8 hangs from the rope.
Further, the poles 7 are provided along the upper peripheral portion of the center stage 13.
In the construction of Figure 2, fish placed in a partitioned chamber of the fish breeding apparatus are prevented from riding orjumping overthe connecting member and entering the adjacent partitioned chamber. Further, workers can safely work on the center stage.
As evidentfrom the foregoing, the present invention provides a fish breeding apparatus which allows easy access of workers to the apparatus interior, thereby enabling wide and easy performing ofthe operations of food feeding and confirmation and inspection of fish and shellfish even in the case of large scale fish breeding apparatus.
Claims (8)
1. Afish breeding apparatus comprising a polygonal frame body constituted by a plurality of bar-like floating members connected together by means of couplings, a net hanging from the said frame body, and a connecting member or members extending from the frame body toward the interior of the fish breeding apparatus.
2. Afish breeding apparatus as claimed in claim 1, comprising a plurality of connecting members and a center stage connected to the tip ends of the said connecting members.
3. Afish breeding apparatus as claimed in claim 1 or 2, wherein the or each connecting member is constituted by a bar-like floating body, and a partition net hangs from the connecting member(s) for partitioning the interior ofthe fish breeding apparatus.
4. Afish breeding apparatus as claimed in any of claims 1 to 3, wherein steps are provided on the upperface ofthe connecting member or members for facilitating access into the interior of the fish breeding apparatus.
5. Afish breeding apparatus as claimed in any of claims 1 to 4, wherein poles are erected on the upper face ofthefloating members, and a net extends along the poles on thefloating members for preventing fish from jumping out of the fish breeding apparatus.
6. Afish breeding apparatus as claimed in any of claims 1 to 5, wherein poles are erected along the connecting member or members and net extends along the poles for preventing fish from jumping overtheconnecting member(s).
7. Afish breeding apparatus as claimed in any of claims 1 to 6, wherein poles are erected along the upper peripheral portion of the center stage, and rope is stretched over the poles.
8. Afish breeding apparatus substantially as herein described with reference to, and as shown in,
Figure 1 or Figure 2 ofthe accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60248431A JPS62107734A (en) | 1985-11-06 | 1985-11-06 | Fish preserve apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8618837D0 GB8618837D0 (en) | 1986-09-10 |
| GB2184631A true GB2184631A (en) | 1987-07-01 |
Family
ID=17178018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08618837A Withdrawn GB2184631A (en) | 1985-11-06 | 1986-08-01 | Fish breeding apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS62107734A (en) |
| GB (1) | GB2184631A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0299900A1 (en) * | 1987-07-17 | 1989-01-18 | Yann Sergent | Floating fish-breeding device |
| WO1989006902A1 (en) * | 1988-01-28 | 1989-08-10 | Brunsvikens Reperbane A/S | Net for breeding and raising fish |
| WO1990001872A1 (en) * | 1988-08-17 | 1990-03-08 | Dunlop Limited | Floatable frame |
| EP0393276A1 (en) * | 1989-04-18 | 1990-10-24 | Ocean Spar Technologies, L.L.C. | Spar buoy pen system |
| EP0480114A1 (en) * | 1990-08-21 | 1992-04-15 | Pisciculture Marine De Monaco S.A.M | Device for breeding fish in the open sea |
| US5359962A (en) * | 1992-10-29 | 1994-11-01 | Nor'eastern Trawl Systems, Inc. | Center-Spar fish pen |
| USRE34971E (en) * | 1989-04-18 | 1995-06-20 | Nor'eastern Trawl Systems, Inc. | Spar buoy pen system |
| US5617813A (en) * | 1995-03-31 | 1997-04-08 | Ocean Spar Technologies, Llc | Anchorable mobile spar and ring fish pen |
| WO1998006253A1 (en) * | 1996-08-09 | 1998-02-19 | Engelsen, Rolf | Net pen system |
| ES2200722A1 (en) * | 2003-10-21 | 2004-03-01 | Vazquez Juan Ignacio Rodriguez | Floating round shaped compounds of fish cages |
| ES2233186A1 (en) * | 2003-07-30 | 2005-06-01 | Juan Ignacio Rodriguez Vazquez | Convoluted type circular floating cage for breeding fish in sea, has main structure connected with concentric polyethylene pipes and radial metal or plastic supports by chains or hawsers |
| WO2008104035A1 (en) * | 2007-03-01 | 2008-09-04 | Thurla Produce Pty Ltd | A fish farm |
| WO2009115361A1 (en) * | 2008-03-19 | 2009-09-24 | Nv Bekaert Sa | Aquaculture net with polygonal bottom |
| RU194577U1 (en) * | 2019-05-07 | 2019-12-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования Санкт-Петербургская государственная академия ветеринарной медицины ФГБОУ ВО СПбГАВМ | Incubation frame |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558298B2 (en) * | 1987-11-12 | 1996-11-27 | 旭化成工業株式会社 | Offshore aquaculture cage |
| JP2016174580A (en) * | 2015-03-20 | 2016-10-06 | 国立大学法人北海道大学 | Farming equipment |
| JP6903811B1 (en) * | 2020-12-08 | 2021-07-14 | マルハニチロ株式会社 | Fish cage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1499468A (en) * | 1975-08-15 | 1978-02-01 | Sterner K | Fish nets and supporting structures therefor |
| EP0080414A2 (en) * | 1981-11-19 | 1983-06-01 | André Eugène Vincent Bourdon | Autonomous fish-breeding plant, and method of increasing the volume density of salt water fish |
| GB2153191A (en) * | 1984-02-01 | 1985-08-21 | Knut Vangen | Fish-breeding enclosures |
-
1985
- 1985-11-06 JP JP60248431A patent/JPS62107734A/en active Pending
-
1986
- 1986-08-01 GB GB08618837A patent/GB2184631A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1499468A (en) * | 1975-08-15 | 1978-02-01 | Sterner K | Fish nets and supporting structures therefor |
| EP0080414A2 (en) * | 1981-11-19 | 1983-06-01 | André Eugène Vincent Bourdon | Autonomous fish-breeding plant, and method of increasing the volume density of salt water fish |
| GB2153191A (en) * | 1984-02-01 | 1985-08-21 | Knut Vangen | Fish-breeding enclosures |
Non-Patent Citations (2)
| Title |
|---|
| WO A1 85/03411 * |
| WO A1 86/03097 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0299900A1 (en) * | 1987-07-17 | 1989-01-18 | Yann Sergent | Floating fish-breeding device |
| FR2618052A1 (en) * | 1987-07-17 | 1989-01-20 | Sergent Yann | FLOATING STRUCTURE FOR FISH CULTURE |
| WO1989006902A1 (en) * | 1988-01-28 | 1989-08-10 | Brunsvikens Reperbane A/S | Net for breeding and raising fish |
| WO1990001872A1 (en) * | 1988-08-17 | 1990-03-08 | Dunlop Limited | Floatable frame |
| USRE34971E (en) * | 1989-04-18 | 1995-06-20 | Nor'eastern Trawl Systems, Inc. | Spar buoy pen system |
| US5007376A (en) * | 1989-04-18 | 1991-04-16 | Nor'eastern Trawl Systems, Inc. | Spar bouy pen system |
| US5193481A (en) * | 1989-04-18 | 1993-03-16 | Nor'eastern Trawl Systems, Inc. | Spar buoy pen system |
| EP0393276A1 (en) * | 1989-04-18 | 1990-10-24 | Ocean Spar Technologies, L.L.C. | Spar buoy pen system |
| EP0480114A1 (en) * | 1990-08-21 | 1992-04-15 | Pisciculture Marine De Monaco S.A.M | Device for breeding fish in the open sea |
| US5172649A (en) * | 1990-08-21 | 1992-12-22 | Pisciculture Marine De Monaco | Device for breeding fish in the open sea |
| US5359962A (en) * | 1992-10-29 | 1994-11-01 | Nor'eastern Trawl Systems, Inc. | Center-Spar fish pen |
| US5617813A (en) * | 1995-03-31 | 1997-04-08 | Ocean Spar Technologies, Llc | Anchorable mobile spar and ring fish pen |
| GB2331690A (en) * | 1996-08-09 | 1999-06-02 | Rolf Engelsen | Net pen system |
| WO1998006253A1 (en) * | 1996-08-09 | 1998-02-19 | Engelsen, Rolf | Net pen system |
| GB2331690B (en) * | 1996-08-09 | 2000-02-23 | Rolf Engelsen | Net pen system |
| ES2233186A1 (en) * | 2003-07-30 | 2005-06-01 | Juan Ignacio Rodriguez Vazquez | Convoluted type circular floating cage for breeding fish in sea, has main structure connected with concentric polyethylene pipes and radial metal or plastic supports by chains or hawsers |
| ES2200722A1 (en) * | 2003-10-21 | 2004-03-01 | Vazquez Juan Ignacio Rodriguez | Floating round shaped compounds of fish cages |
| WO2008104035A1 (en) * | 2007-03-01 | 2008-09-04 | Thurla Produce Pty Ltd | A fish farm |
| WO2009115361A1 (en) * | 2008-03-19 | 2009-09-24 | Nv Bekaert Sa | Aquaculture net with polygonal bottom |
| US8302564B2 (en) * | 2008-03-19 | 2012-11-06 | Nv Bekaert Sa | Aquaculture net with polygonal bottom |
| CN101925297B (en) * | 2008-03-19 | 2013-10-23 | 贝卡尔特股份有限公司 | Aquaculture net with polygonal bottom |
| RU194577U1 (en) * | 2019-05-07 | 2019-12-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования Санкт-Петербургская государственная академия ветеринарной медицины ФГБОУ ВО СПбГАВМ | Incubation frame |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8618837D0 (en) | 1986-09-10 |
| JPS62107734A (en) | 1987-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |