JP2005168406A - Artificial bait for fishing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an artificial bait for fishing with which practical performance is easily improved. <P>SOLUTION: This artificial bait is constituted of a case 2, a bait body 3 stored in the inside of the case 2 and having buoyancy capable of surfacing to the water surface, a sinker member 4 attached to the case 2, and a plug member 5 attached to the case 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an artificial bait for fishery suitable as an alternative to live bait for fishing in the fishery.

  In recent years, live baits, which are bait in the fishery industry, have become scarce, and this situation is increasing every year.

  Therefore, an artificial bait for fishery that is an alternative to live bait for fishing in the fishery is desired.

  As such an artificial bait for fishery, one having buoyancy means and being able to float from a predetermined position in the sea toward the sea surface has been proposed (for example, see Patent Document 1).

  Further, as an artificial bait for fishery, at least a main body part that can float toward the sea surface, a sinking part for immersing the main body part in the sea, and at least a predetermined time after the main part and the sinking part are put into the sea Some have been proposed that have a time-limit means for allowing the main body portion to float (see, for example, Patent Document 2).

  Furthermore, as a fishery artificial bait, it is a foamed rod-shaped body formed by melting and extruding a composition containing starch, polyvinyl alcohol and water into a rod shape, and by processing the rod-shaped body into a head-and-tail shape, mass production A suitable one that has an appearance that fish recognizes as food and a self-propelled swimming action and that does not pollute the environment has also been proposed (see, for example, Patent Document 3).

Japanese Patent No. 3398193 Japanese Patent Laid-Open No. 9-285241 JP-A-10-191835

  By the way, there is an extremely shortage of live bait due to the drastic decrease in sardine resources in recent years, and live food is indispensable from the operation form, and fishing industry that requires live bait such as single fishing fishery needs immediate development development of live bait alternative bait It has been.

  Improvements in practical performance of such artificial bait for fisheries include, for example, downsizing and portability that can be carried anywhere, diversity of types that control the depth of rising water, cost reduction due to improved productivity, and environmental impact There is a demand for reduction of the above.

  The present invention has been made in view of this point, and an object thereof is to provide an artificial bait for fishery that can easily improve the practical performance.

  In order to achieve the above-described object, a feature of the artificial fishery bait according to the present invention is that the fishery artificial bait that can be floated toward the sea surface or the water surface of the fishing ground is housed in a case and the inside of the case. It has a bait body having a buoyancy capable of rising toward the water surface, a weight member attached to the case, and a plug member attached to the case.

  In the present invention, it is preferable that a liquid introducing means capable of introducing at least seawater or fresh water of a fishing ground and a gas discharging means capable of discharging the gas existing inside the case to the outside are provided inside the case. .

  In the present invention, it is preferable that at least one of the case, the bait body, the weight member, and the plug member is formed of a substance that can be decomposed or dissolved at least by seawater or fresh water of a fishing ground.

  In this invention, it is preferable that the said bait | body main body is formed with the foam.

  In the present invention, it is preferable that there are a plurality of the bait bodies.

  In the present invention, the liquid introducing means and the gas discharging means may include a weight side gap in which a fluid formed between mutually facing surfaces of the case and the weight member can flow, and a mutual connection between the case and the plug member. One or both of the plug-side gaps between which the fluid formed between the opposing surfaces can flow, and the inside and outside formed in the vicinity of one or both of the weight member of the case or the attachment position of the plug member Alternatively, it is preferable that a plurality of through holes, or one or both of the weight member and the plug member are formed of a hollow body or a porous body alone or in combination.

  Another feature of the artificial fishery bait according to the present invention is that the fishery artificial bait that can be floated toward the sea surface or the water surface of the fishing ground, the case and the water surface stored in the case. A bait body having a buoyancy capable of rising, a weight member attached to the case, a plug member attached to the case, and a liquid introduction capable of introducing at least seawater or fresh water from the fishing ground into the case Means and a gas discharging means capable of discharging the gas existing inside the case to the outside, and the case is formed of a substance that can be decomposed or dissolved by seawater or fresh water, and one end of the inner hole thereof A weight member is attached to the side, a stopper member is attached to the other end, and the bait body is formed of a cylindrical foam formed of a substance that can be decomposed or dissolved by seawater or fresh water. The weight member is a rod-shaped solid, the plug member is a disk-shaped solid formed of a substance that can be decomposed or dissolved by seawater or fresh water, and the liquid introducing means is the case and It is a weight side gap in which the fluid formed between the mutually facing surfaces of the weight member can flow, and the gas discharging means has a fluid formed between the mutually facing surfaces of the case and the plug member. It is the point which is a plug side gap which can flow.

  In the present invention, the case is formed of polyvinyl alcohol, the bait body is formed of a foam of a starch-based composition, and the weight member is formed of a soluble composition containing a high specific gravity material. The plug member is preferably formed of a foaming agent.

  According to the artificial bait for fishery according to the present invention, there is an extremely excellent effect such that practical performance can be easily improved.

  The present invention will be described below with reference to embodiments shown in the drawings.

  1 and 2 show an embodiment of an artificial bait for fishery according to the present invention. FIG. 1 is an exploded perspective view, and FIG. 2 is a partially cut perspective view.

  As shown in FIGS. 1 and 2, the fishery artificial bait 1 of the present embodiment has a case 2, a bait body 3, a weight member 4, and a plug member 5. The fishery artificial bait 1 of the present embodiment is formed in a substantially cylindrical shape having a diameter of about 10 mm and a total length of about 250 mm as a whole.

  The case 2 accommodates the bait main body 3 and is formed in a substantially cylindrical straw shape having a diameter of about 10 mm, a thickness of about 0.5 mm, and a length of about 200 mm. One end portion shown in the lower left of FIG. 1 of the inner hole of the case 2 is a weight attaching portion 2a for attaching the weight member 4, and the other end portion shown in the upper right of the inner hole of the case 2 in FIG. The side is a plug mounting portion 2 b for attaching the plug member 5.

  Note that the size and shape of the case 2 can be variously changed according to the depth of the fishing ground, the type of bait of the fish to be caught in the fishing ground, the operation method, the purpose of using the artificial bait, and the like.

  That is, the size and shape of the case 2 may be a full-size size and shape such as horse mackerel, sardine, mackerel, and squid according to the bait of the fish to be caught, or an indeterminate hollow shape having openings in at least two locations. However, it is preferable to form a cylinder such as a cylinder or a cylinder having a polygonal cross section in consideration of handleability, storability, and productivity, which are close to small fish.

  As a material of the case 2, a water-soluble synthetic resin, a natural material that can be decomposed or dissolved by seawater or fresh water of a fishing ground, and the like can be used. In this embodiment, polyvinyl alcohol (PVA) is used.

  As said PVA, what was 70-90% partially saponified is preferable, for example.

  The material of the case 2 is not particularly limited to the PVA of the present embodiment, and a material that can be decomposed or dissolved by seawater or fresh water of a fishing ground, such as paper, mantriose, etc. Selectable can be used.

  The bait body 3 exhibits a fish collection function. The bait body 3 of the present embodiment is a plurality of, that is, two, one set. For example, one end of a rod-like body having a diameter of about 8 mm and a length of about 100 mm is formed at half of the full length. It is set as the shape which comprises the inclined surface 3a cut | disconnected diagonally over the grade. The two bait bodies 3 are arranged in the case 2 so as to form a substantially cylindrical shape having a diameter of about 8 mm and a length of about 100 mm as a whole so that the inclined surfaces 3a face each other. 2 is formed so as to be movable inside.

  The number, size, and shape of the bait body 3 can be variously changed according to the water depth of the fishing ground, the type of bait of the fish to be caught in the fishing ground, the operation method, the purpose of using the artificial bait, and the like.

  That is, the size of the bait main body 3 may be any size that can be accommodated inside the case 2 in an unused state, and the shape of the bait main body 3 approximates to a small fish and moves when floating. However, it is preferable that one end is formed in a rod shape having a buoyancy greater than that of the other end in consideration of the floating behavior of a small fish and taking account of handling property, storage property and productivity. Such a shape is not particularly limited to the shape of the present embodiment, such as a multi-stage rod having one end larger in diameter than the other end, a tapered shape, a columnar shape, and a weight member fixed to one end. Various shapes can be selected and used as required according to the design concept.

  In the present embodiment, two colors of white and blue are used as the colors of the two bait bodies 3. As a result, the belly and back of the small fish can be expressed, that is, approximated by a school of small fish such as horse mackerel, sardine, mackerel.

  As the material of the bait body 3, a starch-based composition, in the present embodiment, seawater or starch having a specific gravity smaller than that of fresh water is used.

  The starch-based composition is preferably a water-containing composition having a starch / PVA weight ratio of 10/1 to 10/4 on a dry basis. When the composition is only starch, the obtained foam is hard and brittle, but in the composition in which PVA is blended with starch, the molding processability and bending strength are improved. PVA has a degree of polymerization of 1000 or more, preferably a degree of polymerization of 2000 or more in terms of strength. The degree of saponification of PVA is preferably 70% or more and 90% or less from the viewpoint of compatibility and workability. When the starch / PVA weight ratio exceeds 10/1, there is almost no improvement in physical properties, and when it is less than 10/4, the foaming property is deteriorated. The water content of the composition is preferably adjusted so that the water content of the water-containing composition immediately before the exit of the extruder is in the range of 8% to 20%. If the moisture is too small, the back pressure of the extruder is excessively applied and the molding accuracy of the foam is inferior. If the moisture is too much, cell contraction due to moisture condensation tends to occur. It should be noted that the water content in the composition to be supplied to the extruder is better in kneading workability than the water content in the composition immediately before the exit of the extruder, in which case excess water is discharged from the vent port of the extruder. Adjustment may be made so as to be within the above range.

  Depending on conditions when the fishery artificial bait 1 of the present embodiment is actually used in a fishing ground, water resistance may be required. For example, when it is set at a deep position from the sea surface, it is necessary to prevent the fish staying in the middle of melting in the middle of the water and the fishery artificial bait 1 from fusing together. The same can be said for the operation in fishing grounds with high water temperature, since the dissolution rate is accelerated. In such a case, the water solubility of the composition can be controlled by adding a small amount of ethylene-vinyl alcohol copolymer and / or aliphatic polyester to the composition. As the ethylene-vinyl alcohol copolymer, those having an ethylene content of 20 to 50 mol% and a saponification degree of 90% or more are preferably used. If the ethylene content is too small, the water solubility will be remarkable, and if it is too large, the compatibility with the starch composition will be poor and biodegradation will be difficult. Aliphatic polyesters include condensation polymers of aliphatic diols and aliphatic dicarboxylic acids, hydroxycarboxylic acid condensation polymers, aliphatic lactone ring-opening polymers, aliphatic lactide ring-opening polymers, and copolymers thereof. It is used by selecting from. For example, polybutylene succinate, polymalic acid, polycaprolactone, polylactic acid and the like are preferably used. The ethylene-vinyl alcohol copolymer and the aliphatic polyester may be used alone or in combination. The total amount used is preferably 10% by weight or less. When the amount exceeds 10% by weight, the foaming power of the contained water becomes insufficient and the cost is increased.

  In addition to the above, a nucleating agent, a lubricant, a plasticizer and the like can be appropriately added to the starch-based composition. The nucleating agent is effective in generating foaming with a uniform and fine cell size, and talc having a size of several microns can be suitably used. The addition amount may be about 0.05 to 2% by weight. The lubricant is effective in preventing seizure on the screw and suppressing internal heat generation due to shearing, and stearic acid or the like is preferably used. The addition amount may be about 0.5 to 2% by weight. The plasticizer is effective for improving the moldability of starch and PVA, and glycerin, urea, polyethylene glycol and the like are preferably used. The addition amount can be used within a range of 10% or less.

  Moreover, in the molding process of the starch-based composition, when the foaming power is insufficient only with water, a chemical foaming agent such as azodicarbonamide or sodium bicarbonate can be used supplementarily. Furthermore, in order to give a feel and appearance close to live bait, the composition can be processed such as coloring, flavoring, flavoring or luster. For coloring, for example, the color of a fish that looks dark in water, such as red, can be given a streak shape to give a feeling of raw fish. The rod-shaped foam may be colored by printing or spraying after molding, but it may also be possible to introduce a colored master batch at several points on the circumference just before the die during extrusion to give stripe shapes to the rod-shaped foam. Good. Further, by adding an attracting substance such as amino acids, nucleic acids, sardine oil, and krill extract to the composition, the rod-like foam can be given an odor or taste. Also, a small piece of aluminum foil can be added to the composition, or it can be attached to the surface of the rod-like foam to give a light reflecting effect.

  The starch-based composition can be extruded by a biaxial or uniaxial ordinary extruder. The twin-screw extruder is better mixed and can directly form a foam from the powder raw material, but a single-screw extruder is sufficient if it is a pellet granulated composition in advance. The extrusion temperature is preferably in the range of 150 ° C. to 180 ° C. as the resin temperature. If the temperature is too low, kneading is insufficient, and if it is too high, some thermal decomposition may occur. The extrusion conditions can be appropriately determined in consideration of self-heating based on extruder characteristics (barrel cooling, screw groove depth, die diameter and land length). The diameter of the rod-shaped body is determined by the die diameter, the take-up speed and the expansion ratio. The straightness and surface smoothness are improved by slightly drafting after extrusion. The diameter of the foam rod is suitably about 6 to 10 mm based on a small sardine. In order to increase the feeding ability of the moth, it is important to have a linear horizontal movement in addition to being easy to eat, for this purpose, the length of the rod-like body is 6 mm in diameter. About 20 times is preferable. If the length is too short, the swimming movement is poor, and the mere levitation is caused. If the length is too long, the swimming direction tends to bend, and the movement as a fish becomes unnatural.

  The material of the bait body 3 is not particularly limited to the starch-based composition of the present embodiment, and has a buoyancy capable of rising toward the sea surface or water surface of the fishing ground, and at least seawater of the fishing ground or It is preferably formed of a substance that can be decomposed or dissolved by fresh water.

  The structure related to buoyancy is a structure in which foam and solid are formed singly or in combination, for example, the material itself has a low specific gravity, or air with a low specific gravity is confined inside a solid with high specific gravity such as buoyancy. Depending on the configuration, the design concept can be selected and used as required.

  Substances that can be decomposed or dissolved by seawater or fresh water in a fishing ground are not particularly limited to the starch-based composition of the present embodiment, but include water-soluble synthetic resins, food materials, biodegradable resins, paper, wood chips, etc. You may use individually or in combination. Specific examples include PVA, mantriose, corn starch, gelatin, and polylactic acid. Moreover, you may use the gel raw material formed by gelatinizing mannan, agar, tamarind seed gum, etc.

  The bait body 3 can be used in combination with a fishfish means such as fish meal or a light reflecting member as required for the design concept.

  The weight member 4 is for allowing the bait body 3 to reach a predetermined water depth, and is formed, for example, in a cylindrical shape having a total length of about 70 mm. The outer diameter of the weight member 4 is formed to be slightly larger than the inner diameter of the case 2. One end of the weight member 4 shown in the upper right of FIG. 1 is an insertion portion 4a to the case 2, and is attached to the weight attachment portion 2a of the case 2 by fitting or the like. Further, the other end of the weight member 4 shown in the lower left of FIG. 1 is a base portion 4b which is exposed to the outside. Furthermore, on the outer periphery of the weight member 4, a plurality of, in the present embodiment, four concave grooves 6 extending in the longitudinal direction, which is the axial direction, are concentrically arranged around the axis. . These concave grooves 6 are formed along the axial direction from the distal end of the insertion portion 4a to the central portion of the base portion 4b.

  A weight side gap formed between the opposing surfaces of the case 2 and the weight member 4 according to the present embodiment through the internal space 7 formed between the concave groove 6 and the inner hole of the case. 8 is configured.

  In addition, the shape of the weight member 4 is not particularly limited to the shape of the present embodiment, and the base 4b has various shapes such as a multi-stage rod shape having a larger diameter than the insertion portion 4a. Can be selected and used.

  As the material of the weight member 4, a water-soluble resin composition, in the present embodiment, a soluble composition containing a high specific gravity material is used.

  Examples of the high specific gravity material-containing soluble composition include those in the range of barium sulfate / PVA = 95/5 to 30/70, preferably those in barium sulfate / PVA = 85/15 to 75/25.

  The high specific gravity material used in the high specific gravity material-containing soluble composition is not particularly limited to the barium sulfate of the present embodiment, but includes titanium oxide, zinc oxide, zircon oxide, magnesium oxide, molybdenum disulfide, and the like. It is possible to select and use the design concept from chemical substances and natural substances such as jars as required.

  The case 2 may be configured to have the function of the weight member 4. For example, the case 2 can be exemplified by a bottomed cylindrical shape made of a water-soluble material. In this case, the material of Case 2 is a water-soluble or biodegradable material with a higher specific gravity than seawater or fresh water, or a material with a higher specific gravity such as gravel is mixed or cased to facilitate reaching a deeper water depth. You may adhere to the outer periphery of 2. When the case 2 is configured to have the function of the weight member 4, a single or a plurality of through holes penetrating in the thickness direction on the outer surface of the case 2 may be provided as liquid introducing means.

  In order to prevent the bait body 3 housed inside the case 2 from unnecessarily jumping out of the case 2, the plug member 5 is formed in a substantially disc shape having a thickness of about 10 mm in diameter and about 5 mm in thickness, for example. Is formed. The plug member 5 is fitted to the plug mounting portion 2b of the inner hole of the case 2 such that its axial direction is orthogonal to the axis of the case 2, that is, both end faces are along the axis of the case 2. A communication space 9 along the axial direction of the case 2 is formed between the both end surfaces of the plug member 5 and the inner hole of the case 2.

  The communication space 9 forms a plug-side gap 10 in which a fluid formed between the opposing surfaces of the case 2 and the plug member 5 of the present embodiment can flow.

  The shape of the plug member 5 is not particularly limited to the shape of the present embodiment, and the bait body 3 can be prevented from coming out of the case 2 and the plug mounting portion of the case 2 can be prevented. Shapes that can be easily attached to 2b, such as a rectangular shape, a rectangular parallelepiped shape, a polygonal column shape such as a hexagonal column, a conical shape, a truncated cone shape, a spherical shape, an oval shape, etc. It can be selected and used as required. When the outer peripheral surface such as a spherical shape or an egg shape is in perfect contact with the inner peripheral surface of the case 2, a rib or groove is provided on the outer periphery to form the plug-side gap 10, or a through-hole is formed. Is preferably provided. Moreover, it is good also as a hollow body or a porous body.

  As the material of the plug member 5, in order to control the depth when the bait body 3 jumps out of the case 2 and floats by dissolution of the plug member 5, in this embodiment, a foaming agent, specifically sodium hydroxide, citric acid is used. Ramune confectionery made of a mixture of corn starch and sugar is used.

  The material of the plug member 5 is not particularly limited to the foaming agent of the present embodiment, in order to control the jumping water depth from the case 2 of the bait body 3 in accordance with the existence depth of the fish to be caught, Select from materials that decompose or dissolve in seawater or fresh water at least in a few seconds to 5 minutes, such as starch foaming agents, foaming agents of the above-mentioned starch-based compositions, Boro confectionery, etc., as necessary for the design concept. Can do.

  Liquid introduction capable of introducing at least seawater or fresh water from the fishing ground into the case 2 of the present embodiment by the weight side gap 8 formed between the opposing surfaces of the case 2 and the weight member 4 and allowing fluid to flow. Means 11 are configured.

  Gas discharge means capable of discharging the gas present inside the case 2 of the present embodiment to the outside by the plug-side gap 10 formed between the opposing surfaces of the case 2 and the plug member 5 and allowing fluid to flow. 12 is configured.

  As the liquid introduction means 11 and the gas discharge means 12, one or both of the weight side gap 8 and the plug side gap 10 and the vicinity of one or both of the attachment positions of the weight member 4 or the plug member 5 of the case 2 are used. One or a plurality of through-holes penetrating the inside and outside formed in the above, or a structure in which one or both of the weight member 4 and the plug member 5 are hollow bodies or porous bodies may be formed alone or in combination.

  Next, the operation of the present embodiment having the above-described configuration will be described.

  The fishery artificial bait 1 according to this embodiment includes a case 2, a bait body 3, a weight member 4, and a plug member 5.

  Therefore, according to the weight member 4 of the fishery artificial bait 1 of this embodiment, the bait body 3 that can be levitated can be submerged in the sea. And the case 2 can accommodate the bait body 3, and the plug member 5 prevents the bait body 3 housed inside the case 2 from jumping out of the case 2 unnecessarily when not in use. In use, when the fishery artificial bait 1 is submerged in the sea, the bait body 3 is allowed to float after melting for a predetermined time, and the water depth at which the bait body 3 jumps out of the case 2 is increased. Can be controlled.

  Furthermore, according to the fishery artificial bait 1 of the present embodiment, the fishery artificial bait 1 can be formed into a very simple cylindrical structure as a whole. Therefore, the fishery artificial bait 1 is small and portable and can be carried anywhere. It is easy to handle, can be easily mass-produced, can provide the fishery artificial bait 1 to consumers at an inexpensive price, and easily provides appropriate supply capacity for consumer demand And it can be surely secured.

  Moreover, according to the fishery artificial bait 1 of the present embodiment, at least the liquid introduction means 11 capable of introducing seawater or fresh water of the fishing ground into the case 2 and the gas capable of discharging the gas present inside the case 2 to the outside Since the discharging means 12 is provided, when the fishery artificial bait 1 is submerged, the liquid introducing means 11 becomes an inlet of seawater or fresh water into the case 2, and the gas discharging means 12 exists inside the case 2. As a result, the air inside the case 2 can be quickly removed. As a result, the fishery artificial bait 1 can be quickly sunk with a small amount of weight.

  Furthermore, according to the fishery artificial bait 1 of the present embodiment, the case 2, the bait body 3, the weight member 4 and the plug member 5 are formed of a substance that can be decomposed or dissolved by seawater or fresh water of the fishing ground. After use, it can be decomposed or dissolved to reduce the environmental impact.

  Moreover, according to the artificial bait 1 for fisheries of this embodiment, since the bait | body main body 3 is formed with the foam of the starch-type composition, it can obtain easily the buoyancy which floats toward the sea surface or the water surface of a fishing ground. Can do.

  Moreover, according to the fishery artificial bait 1 of this embodiment, since there are a plurality of bait bodies 3, it can be easily approximated to the movement of a school of small fish.

  Moreover, according to the fishery artificial bait 1 of this embodiment, the liquid introduction means 11 is the weight side gap 8 in which the liquid formed between the mutually opposing surfaces of the case 2 and the weight member 4 can flow, Since the gas discharge means 12 is the plug-side gap 10 in which the fluid formed between the opposing surfaces of the case 2 and the plug member 5 can flow, the air inside the case 2 can be more quickly removed. it can.

  The fishery artificial bait 1 according to the present embodiment includes a case 2, a bait main body 3 having a buoyancy that can float toward the water surface stored in the case 2, and a weight attached to the case 2. The member 4, the plug member 5 attached to the case 2, the liquid introduction means 11 capable of introducing at least seawater or fresh water from the fishing ground into the case 2, and the gas present in the case 2 can be discharged to the outside. The case 2 is formed in a cylindrical shape by a substance that can be decomposed or dissolved by seawater or fresh water, and the weight member 4 is attached to one end side of the inner hole thereof. A plug member 5 is attached, the bait body 3 is a foam formed of a substance that can be decomposed or dissolved by seawater or fresh water, the weight member 4 is a rod-like solid, and the plug member 5 is By seawater or fresh water A weight-side gap 8, which is a disc-shaped solid formed of a substance that can be dissolved or dissolved, and in which the liquid introduction means 11 can flow the fluid formed between the opposing surfaces of the case 2 and the weight member 4. Since the liquid introduction means 12 is the plug-side gap 10 in which the fluid formed between the opposing surfaces of the case 2 and the plug member 5 can flow, it can be miniaturized or improved in portability anywhere. In addition, it is possible to more surely achieve the variety of types in which the starting water depth is controlled, cost reduction by improving productivity, and reduction of environmental impact.

  Furthermore, according to the fishery artificial bait 1 of the present embodiment, the case 2 is formed of PVA, the bait body 3 is formed of a foam of a starch-based composition, and the weight member 4 is high. It is formed of a soluble composition containing a specific gravity material, and the plug member 5 is formed of a material that is excellent in moldability, such as formed of a foaming agent, and can be easily mass-produced. The fishery artificial bait 1 can be provided to the consumer at a lower price, and an appropriate supply capability for the consumer's demand can be ensured more easily and reliably.

  Therefore, according to the fishery artificial bait 1 of the present embodiment, it is possible to easily improve the practical performance.

  The fishery artificial bait 1 of the present embodiment, for example, is fed from the deck of a fishing boat or mixed with live bait on the sea surface or water surface of a fishing ground, and is fed or distributed, using a pump and a hose. It is used for collecting fish such as carp fishing and carp fishing by discharging it to a predetermined depth.

  Moreover, when the salmon fishing and the salmon fishing operation using the artificial bait 1 for fisheries of this embodiment were performed, it was confirmed that a good catch amount was obtained.

  In addition, this invention is not limited to embodiment mentioned above, A various change is possible as needed. For example, the fishery artificial bait of the present invention can be packaged with a film of a substance that can be decomposed or dissolved by seawater or fresh water.

The exploded perspective view showing the embodiment of the artificial bait for fisheries concerning the present invention Front view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Artificial bait for fishery 2 Case 3 Feed body 4 Weight member 5 Plug member 6 Groove 7 Internal space 8 Weight side clearance 9 Communication space 10 Plug side clearance 11 Liquid introduction means 12 Gas discharge means

Claims (8)

In fishery artificial bait that can be levitated toward the sea surface or water surface of a fishing ground,
A case, a bait body having a buoyancy capable of rising toward the water surface stored in the case, a weight member attached to the case, and a plug member attached to the case An artificial bait for fishery.   2. A liquid introducing means capable of introducing at least seawater or fresh water from a fishing ground and a gas discharging means capable of discharging a gas existing inside the case to the outside are provided inside the case. Artificial bait for fishery described in 1.   The at least one of the case, the bait main body, the weight member, and the plug member is formed of a substance that can be decomposed or dissolved at least by seawater or fresh water of a fishing ground. Artificial bait for fishing.   The artificial bait for fishery according to any one of claims 1 to 3, wherein the bait body is formed of a foam.   The fishery artificial bait according to any one of claims 1 to 4, wherein the bait body is plural. The liquid introducing means and the gas discharging means are
A weight-side gap formed between mutually facing surfaces of the case and the weight member and a plug side on which a fluid formed between mutually facing surfaces of the case and the plug member can flow. One or both of the gaps,
One or a plurality of through holes penetrating the inside and outside formed in the vicinity of one or both of the attachment positions of the weight member or the plug member of the case,
The fishery according to any one of claims 2 to 5, wherein one or both of the weight member and the plug member are formed as a hollow body or a porous body alone or in combination. For artificial bait. In fishery artificial bait that can be levitated toward the sea surface or water surface of a fishing ground,
A case, a bait body having a buoyancy capable of rising toward the water surface accommodated in the case, a weight member attached to the case, a plug member attached to the case, and the case A liquid introducing means capable of introducing at least seawater or fresh water of a fishing ground into the inside of the gas, and a gas discharging means capable of discharging the gas existing inside the case to the outside,
The case is formed in a cylindrical shape by a substance that can be decomposed or dissolved by seawater or fresh water, a weight member is attached to one end side of the inner hole, and a plug member is attached to the other end side,
The bait body is a foam formed of a substance that can be decomposed or dissolved by seawater or fresh water,
The weight member is a rod-like solid;
The plug member is a disc-shaped solid formed of a substance that can be decomposed or dissolved by seawater or fresh water,
The liquid introducing means is a weight side gap in which a fluid formed between the opposing surfaces of the case and the weight member can flow;
The artificial bait for fishery, wherein the gas discharging means is a plug-side gap in which a fluid formed between mutually facing surfaces of the case and the plug member can flow. The case is made of polyvinyl alcohol;
The bait body is formed by a foam of a starch-based composition;
The weight member is formed of a soluble composition containing a high specific gravity material,
The artificial bait for fishery according to claim 7, wherein the plug member is formed of a foaming agent.