FR2651638A1 - Method for closing and parallelepipedally shaping an aquatic cultivation enclosure and enclosure thus obtained - Google Patents
Method for closing and parallelepipedally shaping an aquatic cultivation enclosure and enclosure thus obtained Download PDFInfo
- Publication number
- FR2651638A1 FR2651638A1 FR8911776A FR8911776A FR2651638A1 FR 2651638 A1 FR2651638 A1 FR 2651638A1 FR 8911776 A FR8911776 A FR 8911776A FR 8911776 A FR8911776 A FR 8911776A FR 2651638 A1 FR2651638 A1 FR 2651638A1
- Authority
- FR
- France
- Prior art keywords
- enclosure
- plane
- plies
- tube
- closing
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007493 shaping process Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000009360 aquaculture Methods 0.000 claims description 7
- 244000144974 aquaculture Species 0.000 claims description 7
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000237519 Bivalvia Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 241000237502 Ostreidae Species 0.000 description 1
- 208000029152 Small face Diseases 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 235000020639 clam Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 238000003466 welding Methods 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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
-
- 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)
- Artificial Fish Reefs (AREA)
Abstract
Description
La présente invention concerne un procédé pour fermer et conformer parallélépipédiquement une enceinte aquacole, et plus particulièrement une telle enceinte réalisée à partir d'un tube en matière relativement souple. The present invention relates to a method for closing and parallelepipedically forming an aquaculture enclosure, and more particularly such an enclosure produced from a tube made of relatively flexible material.
Les huttes, moules, palourdes et autres bivalves, ainsi que les poissons ou autres sujets d'aquaculture, sont élevés actuellement le plus souvent dans des enceintes grillagées et notamment dans des poches ostréicoles, qui sont généralement réalisées à partir de cylindres en matière plastique réticulée qui se trouvent plus ou moins aplaties dans les conditions habituelles d'utilisation. Huts, mussels, clams and other bivalves, as well as fish or other aquaculture subjects, are currently bred most often in wire mesh enclosures and in particular in oyster pockets, which are generally made from cylinders of crosslinked plastic material. which are more or less flattened under the usual conditions of use.
Les poches de grillage de matière plastique sont produites industriellement sous forme d'un cylindre continu qui est ensuite découpé en éléments ayant généralement une longueur de l'ordre d'un mètre. The plastic mesh bags are produced industrially in the form of a continuous cylinder which is then cut into elements generally having a length of the order of one meter.
Pour enfermer les sujets d'élevage dans ces poches, les deux extrémités du cylindre sont fermées. L'une des extrémités peut être soudée d'une manière quelconque, et l'autre extrémité (ou les deux extrémités s'il n'y a pas de soudure), est fermée par un dispositif permettant de remplir la poche et de la vider de son contenu. Les fermetures actuellement utilisées sont constituées par exemple par un jonc passé dans les mailles de la poche, par des crochets de fil de fer, ou par une couture de ficelle. To close the breeding stock in these pockets, the two ends of the cylinder are closed. One end can be welded in any way, and the other end (or both ends if there is no weld), is closed by a device for filling the bag and emptying it of its content. The closures currently used are constituted for example by a rod passed through the stitches of the pocket, by wire hooks, or by a seam of string.
Les inconvénients de ces procédés de fermeture résident dans le fait qu'ils sont relativement longs à mettre en oeuvre, difficilement mécanisables et qu en outre ils n'assurent pas toujours une fermeture efficace de la poche, notamment dans les angles. Ils provoquent enfin fréquemment un écrasement de l'extrémité ainsi fermée, réduisant le volume intérieur de la poche. The drawbacks of these closing methods reside in the fact that they are relatively long to implement, difficult to mechanize and that, in addition, they do not always ensure effective closing of the pocket, especially in the corners. Finally, they frequently cause crushing of the end thus closed, reducing the interior volume of the pocket.
L'un des buts de l'invention est de fournir un procédé permettant de provoquer un gonflement de l'enceinte en lui donnant une section proche d'un rectangle, ctest-à-dire en lui donnant une forme parallélépipédique et ainsi, à poids de grillage égal, de présenter un plus grand volume intérieur ainsi qu'un plus grand moment d'inertie assurant une meilleure rigidité longitudinale. One of the objects of the invention is to provide a method making it possible to cause the enclosure to swell by giving it a section close to a rectangle, that is to say by giving it a parallelepiped shape and thus, by weight equal mesh, to present a greater internal volume as well as a greater moment of inertia ensuring better longitudinal rigidity.
Un autre but de l'invention est d'assurer une fermeture parfaite de l'une ou des deux extrémités de l'enceinte. Another object of the invention is to ensure perfect closure of one or both ends of the enclosure.
Un autre but de l'invention est de permettre une manutention mécanisée de l'enceinte. Another object of the invention is to allow mechanized handling of the enclosure.
Un autre but de l'invention est de permettre éventuellement l'accrochage des enceintes entre elles ou sur des supports. Another object of the invention is to optionally allow the speakers to be hooked together or on supports.
A cet effet, l'invention a tout d'abord pour objet un procédé pour fermer et conformer parallélépipédiquement une enceinte aquacole réalisée à partir d'un tube en matière relativement souple, dans lequel on aplatit au moins une extrémité dudit tube pour former deux nappes en vis-à-vis, caractérisé par le fait que l'on replie entre lesdites nappes leurs extrémités respectivement en vis-à-vis de manière à donner à ladite extrémité de l'enceinte une forme sensiblement parallélépipédique, puis que l'on rabat lesdites nappes sensiblement à 900 dans un plan perpendiculaire à l'axe du tube formant le plan d'extrémité de ladite enceinte, et que l'on maintient lesdites nappes dans ledit plan. To this end, the invention firstly relates to a method for closing and parallelepipedically forming an aquaculture enclosure produced from a tube made of relatively flexible material, in which at least one end of said tube is flattened to form two plies facing each other, characterized in that their ends are folded back opposite each other respectively so as to give said end of the enclosure a substantially parallelepiped shape, then folded over said plies substantially at 900 in a plane perpendicular to the axis of the tube forming the end plane of said enclosure, and that said plies are maintained in said plane.
Le maintien des nappes dans le plan d'extrémité de l'enceinte peut être réalisé par tous moyens connus tels que collage ou soudage, mais on utilise de préférence des moyens permettant l'accrochage de l'enceinte à des moyens de manutention ou à une autre enceinte, par exemple des oeillets sertis sur les nappes. Maintaining the sheets in the end plane of the enclosure can be achieved by any known means such as bonding or welding, but preferably means are used allowing the enclosure to be hooked to handling means or to a other enclosure, for example eyelets set on the tablecloths.
La présente invention a également pour objet une enceinte aquacole, caractérisée par le fait qu'elle est fermée et conformée parallélépipédiquement par un procédé tel que décrit ci-dessus. The present invention also relates to an aquaculture enclosure, characterized in that it is closed and shaped parallelepipedically by a process as described above.
On décrira maintenant un mode de réalisation particulier de l'invention à titre d'exemple non limitatif en référence aux dessins schématiques annexés dans lesquels
- la figure 1 est une vue partielle en perspective d'une enceinte aquacole après la première étape du procédé selon l'invention,
- la figure 2 est une vue correspondant à la figure 1 après une étape ultérieure du procédé et,
- la figure 3 est une vue correspondant aux figures 1 et 2 de l'enceinte terminée.A particular embodiment of the invention will now be described by way of nonlimiting example with reference to the appended schematic drawings in which
FIG. 1 is a partial perspective view of an aquaculture enclosure after the first step of the method according to the invention,
FIG. 2 is a view corresponding to FIG. 1 after a subsequent step in the process and,
- Figure 3 is a view corresponding to Figures 1 and 2 of the completed enclosure.
Pour fermer et conformer selon l'invention une enceinte réalisée à partir d'un tube en matière relativement souple 1, on commence par aplatir l'extrémité 2 de ce tube de manière à obtenir deux nappes 3 et 4 en vis-à-vis. To close and conform according to the invention an enclosure produced from a tube made of relatively flexible material 1, one begins by flattening the end 2 of this tube so as to obtain two plies 3 and 4 facing each other.
Les extrémités 3' et 4' des nappes 3 et 4 sont ensuite repliées entre ces nappes comme montré à la figure 2. The ends 3 ′ and 4 ′ of the plies 3 and 4 are then folded between these plies as shown in FIG. 2.
La longueur des plis 3' et 4' est choisie de manière à obtenir le rapport voulu entre la longueur et la largeur de la section transversale de l'enceinte. The length of the folds 3 'and 4' is chosen so as to obtain the desired ratio between the length and the width of the transverse section of the enclosure.
Le repliement qui vient d'être décrit a pour effet de conformer parallélépipédiquement l'extrémité de l'enceinte qui se présente ainsi sous la forme d'un plan perpendiculaire à l'axe de tube, et formé de deux demi-plans 5 et 6 adjacents respectivement aux nappes 3 et 4 qui se trouvent ainsi perpendiculaires à ce plan d'extrémité. The folding which has just been described has the effect of conforming the end of the enclosure parallelepipedically which is thus in the form of a plane perpendicular to the tube axis, and formed of two half-planes 5 and 6 adjacent respectively to the plies 3 and 4 which are thus perpendicular to this end plane.
Simultanément se forme dans le plan d'extrémité un triangle de matière 7 adjacent à la petite face 8 du parallélépipède et deux autres petits triangles 9 et 9', le triangle 9 étant adjacent au triangle 7 le long de son bord 10, au demi-plan d'extrémité 5 le long de son bord 11, et à la nappe 3 le long de son bord 12. De même, le triangle de matière 9' est adjacent au triangle 7 le long de son bord 10', au demi-plan d'extrémité 6 le long de son bord 11', et à la nappe 4 le long de son bord 12'. Simultaneously a triangle of material 7 is formed in the end plane adjacent to the small face 8 of the parallelepiped and two other small triangles 9 and 9 ', the triangle 9 being adjacent to the triangle 7 along its edge 10, at half end plane 5 along its edge 11, and to the ply 3 along its edge 12. Similarly, the triangle of material 9 'is adjacent to triangle 7 along its edge 10', in the middle plane end 6 along its edge 11 ', and to the ply 4 along its edge 12'.
Comme montré à la figure 3, les nappes 3 et 4 sont ensuite repliées à 900 sur le demi-plan d'extrémité 6, la nappe 3 se trouvant donc dans le prolongement du demi-plan 5 et formant ainsi avec ce demi-plan la face d'extrémité de l'enceinte terminée. As shown in FIG. 3, the plies 3 and 4 are then folded at 900 on the end half-plane 6, the ply 3 therefore being in the extension of the half-plane 5 and thus forming with this half-plane the end face of the finished enclosure.
Afin de maintenir les deux nappes 3 et 4 dans ce plan d'extrémité, on peut par exemple les souder sur le demi-plan 6, mais on utilise de préférence un oeillet 13 traversant les nappes 3 et 4, leurs extrémités 3 r et 4', les triangles 7 et 9' et la demi-face 6, cet oeillet permettant la manutention de l'enceinte ou sa fixation à un support ou à une autre enceinte. In order to maintain the two plies 3 and 4 in this end plane, it is possible, for example, to weld them on the half-plane 6, but preferably an eyelet 13 crossing the plies 3 and 4 is used, their ends 3 r and 4 ', the triangles 7 and 9' and the half-face 6, this eyelet allowing the handling of the enclosure or its attachment to a support or to another enclosure.
Diverses variantes et modifications peuvent bien entendu être apportées à la description qui précède sans sortir pour autant ni du cadre, ni de l'esprit de l'invention. Various variants and modifications can of course be made to the above description without departing from the scope or the spirit of the invention.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8911776A FR2651638A1 (en) | 1989-09-08 | 1989-09-08 | Method for closing and parallelepipedally shaping an aquatic cultivation enclosure and enclosure thus obtained |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8911776A FR2651638A1 (en) | 1989-09-08 | 1989-09-08 | Method for closing and parallelepipedally shaping an aquatic cultivation enclosure and enclosure thus obtained |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2651638A1 true FR2651638A1 (en) | 1991-03-15 |
Family
ID=9385269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8911776A Pending FR2651638A1 (en) | 1989-09-08 | 1989-09-08 | Method for closing and parallelepipedally shaping an aquatic cultivation enclosure and enclosure thus obtained |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2651638A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2715025A1 (en) * | 1994-01-20 | 1995-07-21 | Courant Ets Sa | Container for cultivation of oysters |
FR2982122A1 (en) * | 2011-11-04 | 2013-05-10 | Yad | Device for manufacturing parallelepiped culture bag for culture of e.g. oysters, has counter impressions moving between free and stress positions in which counter impressions are not pressed and pressed against impression, respectively |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL48053C (en) * | 1900-01-01 | |||
DE1586716A1 (en) * | 1967-10-03 | 1970-08-06 | Hesser Ag Maschf | Bag pack |
FR2336300A1 (en) * | 1975-12-22 | 1977-07-22 | Sbg Brevets Greffe | IMPROVEMENTS IN BAGGING PROCESSES |
FR2407665A1 (en) * | 1977-11-07 | 1979-06-01 | Samex | Container for raising oysters - has open mesh flexible synthetic sheath with reinforced zones of smaller mesh which give support for walls |
FR2515481A3 (en) * | 1981-11-05 | 1983-05-06 | Plymouth Fse | Cage for raising oysters - is made from section cut from plastics mesh tube with free lower edges welded together to form pocket |
EP0160619A2 (en) * | 1984-04-30 | 1985-11-06 | SIG Schweizerische Industrie-Gesellschaft | Reclosable package |
FR2590765A1 (en) * | 1985-12-02 | 1987-06-05 | Intermas Sa | Mesh container for breeding oysters and the like |
-
1989
- 1989-09-08 FR FR8911776A patent/FR2651638A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL48053C (en) * | 1900-01-01 | |||
DE1586716A1 (en) * | 1967-10-03 | 1970-08-06 | Hesser Ag Maschf | Bag pack |
FR2336300A1 (en) * | 1975-12-22 | 1977-07-22 | Sbg Brevets Greffe | IMPROVEMENTS IN BAGGING PROCESSES |
FR2407665A1 (en) * | 1977-11-07 | 1979-06-01 | Samex | Container for raising oysters - has open mesh flexible synthetic sheath with reinforced zones of smaller mesh which give support for walls |
FR2515481A3 (en) * | 1981-11-05 | 1983-05-06 | Plymouth Fse | Cage for raising oysters - is made from section cut from plastics mesh tube with free lower edges welded together to form pocket |
EP0160619A2 (en) * | 1984-04-30 | 1985-11-06 | SIG Schweizerische Industrie-Gesellschaft | Reclosable package |
FR2590765A1 (en) * | 1985-12-02 | 1987-06-05 | Intermas Sa | Mesh container for breeding oysters and the like |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2715025A1 (en) * | 1994-01-20 | 1995-07-21 | Courant Ets Sa | Container for cultivation of oysters |
FR2982122A1 (en) * | 2011-11-04 | 2013-05-10 | Yad | Device for manufacturing parallelepiped culture bag for culture of e.g. oysters, has counter impressions moving between free and stress positions in which counter impressions are not pressed and pressed against impression, respectively |
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