JPH059268U - Shellfish seeder - Google Patents

Abstract

(57) [Summary] [Purpose] For the purpose of pearl cultivation, aim to improve the efficiency and labor of the seedling work of target shellfish such as ako and shellfish. [Structure] A polycarbonate plastic plate is used as an adhesion plate 1, and holes 2 and 3 for hanging, attaching a weight, or connecting to another adhesion plate are provided on the upper and lower parts of the adhesion plate 1,
The juveniles adhering to the adhering plate 1 were scraped off with a spatula-shaped knife so that seedlings could be collected.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is mainly used for collecting juvenile shellfish such as ako and shellfish for pearl cultivation. The present invention relates to a shellfish seed-collecting device used.

[0002]

[Problems to be solved by conventional techniques and devices]

  In pearl culture, first, fry of target shellfish such as ako and shellfish are sampled and Is raised to the required size in an artificial pond to make a mother shellfish, and the shell of this mother shell is opened and built-in Insert the core of the pearl and the piece (piece of the outer membrane) between the It's harvested from pearls after being put up in the sea, raised in the sea, and after a certain number of years have passed. is there.

[0003]   Conventionally, cedar leaves are generally used for collecting the juveniles. That is, cedar leaves in the sea Or, suspend it in an artificial pond and pull it after a certain period of time to prevent fry shells from adhering to it. It is common practice to raise and collect juveniles attached to cedar leaves. It

[0004]   However, the work of collecting juveniles attached to cedar leaves is very time-consuming. Have a problem.

[0005]   The present invention mainly aims to address the above-mentioned conventional problems.

[0006]

[Means for Solving the Problems]

  The present invention replaces conventional cedar leaves with a polycarbonate plastic plate or The flat plate formed in a V shape or semi-cylindrical cross section, or on the surface of a synthetic resin plate. Adhesive plate with a rutar layer is formed, and the upper and lower parts of the adhered plate are Also has one hole for hanging in water, for attaching weights or for connecting with other attachment plates It is characterized by that.

[0007]

[Action]

  Polycarbonate plastics and mortar are suitable for adhering floating juveniles. Therefore, by attaching the above-mentioned attachment plate to the sea or artificial pond, fry shells will be attached. Wear it, pull up after a specified period, and attach it from the surface of the attachment plate with a spatula-like scraping knife. By scraping off the shellfish, the desired shellfish seedlings can be collected efficiently, The labor of seedling work can be reduced.

[0008]   When cultivating the target shellfish, compete with natural enemies in the sea area or artificial pond. You can also use it to remove unintended objects by attaching them to the above-mentioned attachment plate, This will reduce food consumption, prevent water pollution, and aim for the intended shellfish culture. The growth of shellfish can be promoted.

[0009]

【Example】

  Embodiments of the present invention will be described below with reference to the drawings.

[0010]   FIG. 1 shows a first embodiment of the present invention, in which 1 is a polycarbonate plus. Adhesive plate consisting of a tic plate (hereinafter referred to as a PC plate), and at least one above and one below. Holes 2 and 3 are provided for each (upper and lower two in the figure) for hanging in water and for weights. It can be used for mounting a PC or connecting multiple PC boards. It

[0011]   The thickness, size, etc. of the PC board can be arbitrarily selected according to the purpose. Considering handling, etc., the thickness is about 2-5 mm, the length is about 1 m, the width is about 10-20 cm. A rectangular plate is suitable.

[0012]   Improve stability by connecting a single or multiple attachment plates 1 made of the PC plate described above. In order to maintain the weight, a rope or wire is used to raft to a specified depth in the sea or artificial pond. Suspend it by supporting it on the float. Then, the floating juveniles are on the surface of the attachment plate 1. Adhere to the surface. After a certain period of time, the adhesive plate 1 is pulled up, and the Collect shellfish. At this time, for example, as shown in Fig. 5, stainless steel or plastic Using a scraping knife 4 having a shape in which a handle 4b is attached to a thin plate 4a having elasticity, Scrape off the juveniles adhering to the surface of the adhering plate 1 with the edge of the thin plate 4a of the scraping knife 4. As a result, the fry shells that have adhered can be collected efficiently and light labor is required. Can be reduced.

[0013]   Among various synthetic resin materials, polycarbonate plastic is especially suitable for juveniles. It has been confirmed in various experiments by the present inventors that it is suitable for wearing, and By using a PC board as described above, it is possible to collect fry shellfish efficiently. It is something.

[0014]   2 and 3 show the second and third embodiments of the present invention, in which FIG. 2 is a PC. An example in which the adhering plate 1 is constructed by bending the plate into a V-shaped cross section, FIG. It shows an example in which the attachment plate 1 is formed by forming a curved shape.

[0015]   When the water flow is almost constant and not very fast (when the water flow can be adjusted), the results are shown in Fig. 1. Even if it is a flat plate, juveniles adhere, but if the water flow is not constant and relatively fast If it is a flat plate, the floating juveniles hit the adhesion plate 1 and are repelled, and it becomes difficult for them to adhere. Therefore, in such a case, as shown in FIG. 2 or FIG. The use of an attachment plate makes it easier for juveniles to attach.

[0016]   2 and 3 are suspended by the holes 2 and 3 provided in the upper and lower sides as in FIG. It is possible to mount and connect multiple attachment plates.

[0017]   In addition, in FIGS. 1, 2 and 3, the surface of the adhesion plate 1 made of a PC plate is roughened to form a single layer. You may make it easy for fry to attach. However, the unevenness of the surface is scraped off by the knife 4. It is necessary to make fine irregularities that do not hinder the scraping work of the attached fry Is.

[0018]   FIG. 4 shows a fourth embodiment of the present invention. In this example, the synthetic resin plate 11 A mortar layer 12 is formed on the surface by means such as coating or spraying, and the adhesion plate 1 is attached. An example of the configuration is shown.

[0019]   The synthetic resin plate 11 of this example includes the above polycarbonate plastic. Any synthetic resin material can be used, and the shape is the same as that of FIGS. 2 and 3 except for the flat plate. It is possible to adopt a square cross-sectional shape, a semi-cylindrical shape, etc.

[0020]   Since mortar is suitable for adhering juveniles like the PC board, it can be used as a core material. The resin plate 11 has a certain shape retention property regardless of whether the juveniles are easily attached. Any material can be selected.

[0021]   The embodiment of FIG. 4 is also suspended by the holes 2 and 3 provided on the upper and lower sides, and the weight is attached. And a plurality of adhering plates can be connected, and a scraping knife 4 as shown in FIG. The shellfish can be scraped off.

[0022]   The attachment plate 1 of the present invention configured as described above is used for collecting pearl-cultured shellfish such as ako and shellfish. In addition to seedlings, when cultivating these shellfish, live in the waters or artificial ponds It can also be used to remove natural enemies and competing foreign objects.

[0023]   That is, as described above, the adhering plate 1 is used to attach juvenile shellfish of a desired shellfish such as ako and shellfish. After collecting, place the collected juveniles in aquaculture containers such as wire netting cages, etc. Are suspended in an artificial pond and fed with food (plankton, etc.) to grow and serve as mother oysters. However, the attachment plate 1 of the present invention is suspended in the sea area or artificial pond, and the ceiling plate is placed on the attachment plate 1. Use to remove enemies and competing unintended objects by removing them You can

[0024]   By doing this, food consumption can be saved in the intended shellfish culture. It can prevent pollution of environmental water quality and promote the development of the target shellfish. Of.

[0025]

[Effect of device]

  As described above, according to the present invention, the purpose of pearl cultivation is, for example, ako and shellfish. Along with being able to improve the efficiency and labor of the shellfish seedling operation, the target shellfish Natural enemies living in the sea area or artificial ponds and competing off-targets for aquaculture Efficient removal of food, saving food, preventing water pollution, and promoting the development of target shellfish It is possible to make progress, and it can bring about a great effect in practical use.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing a second embodiment of the present invention.

FIG. 3 is a perspective view showing a third embodiment of the present invention.

4A and 4B show a fourth embodiment of the present invention and FIG. 4A is a front view and FIG. 4B is a sectional view taken along line BB of FIG.

FIG. 5 is a front view showing an example of a scraping knife.

[Explanation of symbols]

1 Adhesive plate 2 holes 3 holes 4 scraping knife 11 Synthetic resin plate 12 Mortar layer

Claims (4)

[Scope of utility model registration request] 1. A sticking plate is formed of a polycarbonate plastic plate, and at least 1 is provided on the upper and lower parts of the sticking plate for hanging, attaching a weight, or connecting to another sticking plate.
A shellfish seeding device characterized by having individual holes. 2. A seedling collecting device for shellfish, wherein the attachment plate according to claim 1 is bent to have a V-shaped cross section. 3. The shellfish seeding device according to claim 1, wherein the attachment plate is curved in a semi-cylindrical shape. 4. A mortar layer is formed on the surface of a synthetic resin plate to form an adhering plate, and the upper part and the lower part of the adhering plate are for hanging, for attaching a weight, or for connecting with another adhering plate. At least 1
A shellfish seeding device characterized by having individual holes.