JPS6329407Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a growing block, and more particularly to a block for growing turban shells and abalones having a concave depression of a shape suitable for growing turban shells and abalones.

[Background of the idea]

After spawning in the sea, turban shells and abalones hatch and live floating in the sea for a while, but soon after that they sink to the sea floor and settle on rocky reefs where they begin their lives. The food necessary for life during this period is minute diatoms attached to rocky reefs. After the infants that fed on these attached diatoms lived in the diatom settlement area, the infants moved away from that area and changed from feeding on diatoms to regular seaweed, and they moved from the middle layer between the sea floor and the water surface. They move to rocky areas and seaweed beds in shallow waters and enter a full-scale growth period. This is because seaweed is the staple food needed for turban shells and abalone to grow, and at the same time, during the growth stage, they seek a place on the backside of a rocky reef where they can protect themselves so that they do not become food for other predators. be.

Traditionally, stones were sunk into the sea to create breeding areas for turban shells and abalone, but ocean currents and waves cause the stones to roll and scatter from the area, so stones are thrown at them one after another to compensate for this. However, in recent years, it has become difficult to secure natural stone due to regulations for preserving the natural environment and various laws and regulations regarding quarrying, so concrete blocks have generally been used instead.

However, the concrete blocks of this type currently in use are made by researching the basic culture conditions for culturing sea urchins and shellfish and how young sea urchins and shellfish grow. Nothing was done.

Therefore, the present inventor first invented and applied for a block for culturing sea urchins and shellfish (Japanese Patent Application No. 55-96611,
(later changed to a utility model registration application pursuant to the provisions of Article 8, Paragraph 1 of the Utility Model Law).

FIG. 1 is a perspective view showing a culture block for sea urchins and shellfish, which was previously filed by the present applicant. As shown in the figure, a plurality of hemispherical depressions are provided on both upper and lower surfaces and the circumferential side of a thick, oval-shaped concrete block 1.

The above-mentioned culture blocks for sea urchins and shellfish have hemispherical depressions on both the upper and lower surfaces and the circumferential side, which are not filled with sand or mud, making it easy for seaweed to attach and grow in these hemispherical depressions, and to make it easier for seaweed to grow and grow on the back side. The depressions are where sea urchins and shellfish go through their growth process from infants.
They serve as a suitable place to protect themselves from predators, and play a major role in preventing sea urchins and shellfish from disappearing.

However, although the hemispherical depressions described above are suitable for growing sea urchins, they are not sufficient as a breeding block for turban shells and abalone, which are larger than sea urchins, have different shell shapes, and have different ecology. , the structure was not sufficient to allow stable installation in conditions suitable for turban shells and abalone to live there.

[Purpose of invention]

The present invention was developed in consideration of the above points, and is suitable for growing turban shells and abalone, and can be stably installed on the seabed in conditions suitable for turban shells and abalone to live. The purpose is to provide blocks.

[Summary of the idea]

The key point of the present invention is to provide a block for growing turban shells and abalone, which has concave depressions in the shape of a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution suitable for growing turban shells and abalone on multiple sides of a polyhedral concrete block. .

[Example of idea]

Hereinafter, the block for growing turban shells and abalone according to the present invention, its installation method, etc. will be explained using the drawings.

Fig. 2 is a perspective view showing a block for growing turban shells and abalone, which is an embodiment of the present invention, Fig. 3 is a cross-sectional view taken along line A-A' in Fig. 2, and Fig. 4 is a cross-sectional view taken along line B-B' in Fig. 2. It is a diagram.

26-sided concrete block body 1 with the same shape on the front and back, top and bottom, and both sides.
A concave recess 12 in the shape of a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution is provided on the upper surface, the lower surface, and the inclined surface of 1, respectively. Turban shells and abalone live in this semi-elliptical, semi-spheroidal, or parabolic-shaped concave depression. Appropriate dimensions of the concave recess 12 in the shape of a semi-elliptic sphere, semi-spheroid, or parabola of revolution are approximately 8.5 cm in the major axis of the ellipse, 5.0 cm in the minor axis, and 5.0 cm in depth.

Next, the habitat conditions of turban shells and abalone will be explained based on FIGS. 5 and 6. Unlike sea urchins, turban shells that have just changed from young to adult shells are in Block 11.
Its inhabitation is limited to the concave depression 12 in the shape of a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution. Since the shell shape of a turban shell is not nearly hemispherical like that of a sea urchin, but rather an ellipse, the depressions were made into semi-elliptic spheres, semi-spheroids, or paraboloids of revolution. If such a concave depression is shaped like a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution, turban shells that do not live in the shellfish block can live there, as shown in Figure 1.
It was confirmed as a result of a follow-up investigation after being deposited on the ocean floor.

Furthermore, since the turban shell has an inner shell 13 as shown in FIG. 5, it is difficult to walk on a block with a curved surface as shown in FIG. 6, and the turban shell will fall if it is turned upside down. On the other hand, in the case of a polyhedral growing block as shown in FIG. 7, the turban shells do not turn completely upside down and therefore do not fall.

Also, unlike the turban shell, the abalone 15 lives in the 8th
As shown in the figure, its habitat is limited to a concave depression in the shape of a semi-ellipse, semi-spheroid, or parabola of revolution on the lower surface of the fish reef block 11. Also abalone 17
Since the shape of the shell is elliptical, concave depressions in the shape of a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution are suitable for its habitation.

According to the above embodiment, it is possible to simultaneously grow turban shells and abalone using one growing block. In addition, since it has a polyhedron and is in the form of a straight column, it has a large contact area with the seabed and is more stable than the block shown in Figure 1, so it is stable even in the breaking wave zone, and is a safe habitat necessary for the intermediate growth of turban shells and abalone. environment can be preserved.

[Effect of idea]

As explained above, the block for growing turban shells and abalone according to the present invention has a flat shape with octagonal vertical and cross sections and is formed of 26 flat surfaces, so the water depth is shallow and the block is exposed to sunlight. Even in sea areas with rough waves and fast currents where it is easy to reach
It can be stably submerged, maintains a safe habitat for turban shells and abalone, and can be easily manufactured using a formwork with a simple structure, and is formed with a flat surface, making it easy for turban shells to walk on and provide a habitat for turban shells. It has an extremely excellent effect of being suitable for use.

Furthermore, according to the block for growing turban shells and abalone according to the present invention, a plurality of blocks in the shape of a semi-ellipse, a semi-spheroid, or a parabola of revolution, which are suitable for growing turban shells and abalone, are formed on multiple faces of the polyhedral concrete block. Since the concave depression is provided, it is suitable for growing both turban shells and abalone, and has an extremely excellent effect in that it is possible to grow both at the same time.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a block for growing sea urchins and shellfish that was previously proposed by the applicant, and FIG. 2 is a block for growing turban shells and abalone, which is an embodiment of the present invention.
Figure 3 is a sectional view taken along line A-A' in Figure 2, and Figure 4 is a cross-sectional view of Figure 2.
Figure B-B' sectional view, Figure 5 is a schematic perspective view of a turban shell,
Figure 6 is a diagram showing the installed state of the sea urchin and shellfish cultivation blocks shown in Figure 1, Figure 7 is a diagram showing the installed state of the turban shell and abalone cultivation blocks shown in Figure 2, and Figure 8 is a diagram showing the installed state of the turban shell and abalone cultivation blocks shown in Figure 2. It is a diagram showing the habitat status of abalone. In the figure, 11 is the main body of the block for growing turban shells and abalone, and 12 is a concave depression in the shape of a semi-ellipse, a semi-spheroid, or a parabola of revolution.

Claims (1)

[Scope of utility model registration request] A plurality of concave shapes in the shape of a semi-elliptic sphere, a semi-spheroid, or a parabola of revolution are formed on multiple faces of a concrete block that is flat and has an octagonal longitudinal and cross-sectional shape, and is formed of 26 flat faces. A block for growing turban shells and abalone that is characterized by having depressions.