JP3198414U - Oyster farming basket - Google Patents

Abstract

An oyster-cultivating basket that can easily solve clogging of a net is provided. An aquaculture basket that is suspended in the sea from near the sea surface and for cultivating oysters on the sea surface. The housing 40 includes an opening 41 that can be opened and closed on both sides, and a floating body 50 that is attached to the center of the housing 40. [Selection] Figure 1

Description

  The present invention relates to an aquaculture basket that is used for oyster culture, and more particularly to an aquaculture cage that hangs in the sea from near the sea surface and cultivates oysters intensively.

  In conventional oyster culture in Japan, scallops and oyster shells were hung in the sea and the attached seed oysters were generally grown as they were. This is due to the fact that in Japan it is mainly sold as stripped and the appearance and size variation of oysters is rarely a problem.

  Recently, however, oysters are often eaten raw at oyster bars and the like, and since oysters are provided with shells, the beauty of appearance is also required.

  Therefore, the so-called French oyster culture method is widely used in which seed oysters are peeled off from shells to be attached, sorted according to size, and cultivated in a special culture cage. This is because according to such a method, a brand oyster having a uniform shape and size can be produced.

  Patent Document 1 discloses a culture basket that can prevent invasion of dust and sludge floating in water.

JP 2001-207359 A

  The aquaculture net used in the French oyster culture method has a problem that seaweeds, algae, shellfish, etc. are stuck while being installed in the sea, resulting in clogging of the net and poor tide.

  If the tide goes bad, oysters cultivated in the net become poorly grown and may die.

  Therefore, an object of the present invention is to provide an oyster culture basket that can solve the above problems.

  The configuration of the present invention for achieving the above object is as follows.

  An aquaculture basket that hangs in the sea from near the sea surface and cultivates oysters on the sea surface, has a shape retaining frame at the upper and lower ends, and is attached to a net and can be opened and closed at one or both of the upper and lower ends An oyster-cultivating basket comprising a cage body having a portion and a floating body attached to the central portion of the cage body.

  It will be outlined with reference to the drawings how the present invention configured as described above works to solve the problems.

  As shown in FIG. 1, the oyster farming basket 10 according to the present invention forms a frame 40 by attaching a net 30 in a shape surrounding the shape retaining frames 20, 20 existing at the upper and lower ends.

  FIG. 2 shows an aspect of actual aquaculture, in which oysters 60 are placed at the lower end of the skeleton 40 and the levitation body 50 floats on the sea surface for culturing. Since the upper part of the frame 40 is not provided with a vertical shape-retaining frame, it rides in a crushed state on the floating body 50 and exists above the sea level.

  In the aquaculture process, when seaweed, algae, shellfish, etc. are stuck on the net 30 in the lower part of the body 40 in the aquaculture process, the whole oyster culture basket 10 is turned upside down, and the oysters inside are also turned over. It moves to the lower end side in the housing 40. By reversing, the net 30 on the side where the tide has deteriorated exists on the floating body 50, that is, above the sea surface. When such a state is reached, the algae, shellfish, and the like stuck to it are exposed to the sun and wind, and are naturally peeled off from the net 30.

  Thus, according to the present invention, the clogging of the net can be easily eliminated.

Perspective view of the present invention Explanatory drawing showing the state of use Perspective view of shape retaining frame Perspective view of levitation body

  Hereinafter, an embodiment of a preferred device will be outlined with reference to the drawings. The embodiments of the present invention are not limited to the following embodiments, and various forms can be adopted as long as they belong to the technical scope of the present invention.

  As shown in FIG. 1, the oyster farming basket 10 according to the present invention forms a frame 40 by attaching a net 30 in a shape surrounding the shape retaining frames 20, 20 existing at the upper and lower ends. The shape retaining frame 20 may be additionally provided at portions other than the upper end and the lower end.

  The net 30 is formed by netting nylon or polyethylene threads.

  Openable / closable openings 41 are provided at one or both of the upper end and the lower end of the housing 40. The opening 41 is provided in such a form that it is closed by tightening the string 42 through the end of the net 30. Of course, the shape of the opening is not limited to this, and the net 30 may be provided with a linear notch to attach a slide fastener.

  FIG. 3 shows the shape retaining frame 20. It is formed by forming a bendable metallic rod or synthetic resin into an annular shape. Of course, the shape is not limited to an annular shape, and may be a square or other shapes.

  FIG. 4 shows the levitation body 50. A foamed resin body or other material having buoyancy is formed into an annular shape having a notch 51. The notch 51 is provided for inserting the net 30 into the interior. Of course, the shape is not limited to an annular shape having a notch, and the levitation body 50 may have any form as long as the levitation body 50 has buoyancy and can float the housing 40 to the sea surface.

  The present invention can also be used for akoya shellfish and other seafood culture.

20 ·· Shape retaining frame 30 · · Net 40 · · Body 41 · · Opening 42 · · String 50 · · Floating body

Claims (1)

A culture basket that hangs in the sea from near the sea surface and is used to cultivate oysters.
A housing (40) having a shape retaining frame (20) at the upper end and the lower end, and a net (30) attached thereto, and an opening (41) that can be opened and closed at one or both of the upper end and the lower end;
A levitation body (50) attached to the central portion of the housing (40);
Oyster farming basket consisting of.

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