1. SPHERE WITH HIGH SPECIFIC GRAVITY
2. SINKER OF FISHING TACKLE
3. SINKER FOR FISHING GEAR PRODUCED BY USING TUNGSTEN AND TUNGSTEN ALLOY OF INDUSTRIAL WASTE
4. FISHING SINKER
5. WEIGHT FOR FISHING
6. FISHING SINKER
7. SPLIT SHOT SINKER AND METHOD OF PRODUCING THE SAME
8. SINKER FOR FISHING
9. WEIGHT FOR FISHING GEAR, AND APPLICATION AND PRODUCTION OF THE SAME
10. SINKER FOR FISHING TACKLE USING BIODEGRADABLE PLASTIC RESIN
11. SINKER FOR FISHING TACKLE
12. MANUFACTURE OF TUNGSTEN-FILLED THERMOPLASTIC RESIN PELLET FOR INJECTION MOLDING
13. SINKER FOR FISHING TOOL
14. MATERIAL USABLE FOR BULLET OR WEIGHT MADE OF KONNYAKU POWDER AND TOXIC METAL POWDER AND MANUFACTURE THEREOF
15. SINKER FOR FISHING, AND METHOD FOR PRODUCING THE SAME
16. TRANSPARENT SINKER WITH LOW SPECIFIC GRAVITY
17. FISHING SINKER
18. FISHING SINKER EQUIPPED WITH MEMBER FOR ADJUSTING SINKING SPEED IN WATER AND ITS PRODUCTION
19. FISHING SINKER

SPHERE WITH HIGH SPECIFIC GRAVITY

SINKER OF FISHING TACKLE

Abstract: PROBLEM TO BE SOLVED: To provide a sinker which is used for a fishing tackle, has a large fish-luring effect, can easily be used, and holds the approximately same fundamental functions, even when the shape of the sinker is larger than a conventional sinker made from lead. SOLUTION: This sinker (1) used for the fishing tackle, holding a fish-luring substance in a sinker main body portion (4) and comprising an environmentally harmless metal material is characterized in that the metal material is at least one selected from porous tungsten having many open pores therein and porous tungsten heavy alloys having many open pores therein and further that the open pores can be impregnated with the fish-luring substance. The fish-luring substance is gradually scattered from the inner hollow portion (5) through the open pores for making the front side of the sinker main body portion to communicate with the back side.

SINKER FOR FISHING GEAR PRODUCED BY USING TUNGSTEN AND TUNGSTEN ALLOY OF INDUSTRIAL WASTE

Abstract: PROBLEM TO BE SOLVED: To develop a method for the reutilization of tungsten and tungsten alloy from an industrial waste containing the metal or metal alloy. SOLUTION: Cut scraps of tungsten and tungsten alloy and chips, bites and drill teeth of the cutware of tungsten, etc., are useless as a raw material for the recovery of metallic tungsten or impossible to reuse as a reclaimed material by processing and, accordingly, disposed as an industrial waste. The metal or metal alloy is formed by using a resin as a binder and the formed resin material is used as a material of a sinker for fishing gear.

FISHING SINKER

Abstract: PROBLEM TO BE SOLVED: To provide a fishing sinker enabling the many movements, easy attachments/detachments of a fishing line without damaging a fishing line. SOLUTION: This fishing sinker is composed of a sinker main body 1 having a spherical outer shape and a nipping member 2 having a sliced boiled fish paste (Kamaboko) shape. The sinker main body 1 is produced from a metal having a specific gravity of ≥7 such as tungsten, a tungsten alloy, an iron-based metal such as stainless steel, or a copper alloy. An elastomer for forming the nipping member 2 is formed from an easily deformable material having lower hardness than that of the sinker main body 1, and a polymer material such as a rubber, a synthetic rubber or a synthetic resin is used as the easily deformable material. A slitting groove 1a is formed in the sinker main body 1 in a spherical shape, and the slitting groove 1a is formed in a flask cross section shape having vertical planes (a) and a circular shape (b), and the circular shape (b) is used as a portion for engaging the nipping member 2. Projections from the sinker main body 1 are formed on both the sides of the nipping member 2, and a slit 2b is formed on the center of thickness of the knitting member 2.

WEIGHT FOR FISHING

Abstract: PROBLEM TO BE SOLVED: To enable transfer and detachment of a weight many times without damaging fishline. SOLUTION: A V-shaped groove 1a is formed from the outside of a globular weight body 1 of the weight A for fishing toward the centerline passing through the central point of the weight body 1 in the weight body 1 and the outside of the weight body 1 is covered with an elastic material to form an elastic layer 2 and the elastic material is packed also into the groove 1a to form a packed part 2a and a slit 2b is formed in the packed part 2a. The depth of the slit 2b reaches the vicinity of position of the centerline passing through the central point of the weight body 1. A metal having ≥7 specific gravity, e.g. an iron-based metal such as tungsten, tungsten alloy or stainless, or copper alloy is used as the weight body 1 and a polymeric material such as rubber, synthetic rubber or synthetic resin composed of a material having lower hardness than hardness of the weight body 1 is used as the elastic material forming the elastic layer 2 and when the weight A for fishing is held by a fishline 3, the weight A is held by pushing the fishline 3 into the slit 2b, preferably by pushing the fishline 3 into the vicinity of centerline position passing through the center of the weight body 1.

FISHING SINKER

Abstract: PROBLEM TO BE SOLVED: To obtain a fishing sinker capable of preceisly adjusting buoyancy of a terminal tackle and not damaging a fishing line. SOLUTION: This fishing sinker comprises an elastic substance having an elasticity in curing and tungsten powder and is obtained by compounding the substance with the tungsten powder before curing, then curing and molding and forming a slit narrower than the width of a fishing line.

SPLIT SHOT SINKER AND METHOD OF PRODUCING THE SAME

Abstract: PROBLEM TO BE SOLVED: To provide a split shot sinker scarcely causing a fishing line to be broken, effective for preventing environmental pollution, and capable of being easily produced. SOLUTION: This split shot inker S has a slit 16 into which the fishing line L is inserted, wherein the sinker is composed of a sinker body 20 made of a material having a high relative density, and further composed of a slit material 10 which is embedded in the sinker body 20, positioned in an area with which the fishing line L is contacted, forms the slit 16, and is made of a resin material having flexibility. The fishing line L is difficult to be broken, because the slit material 10 contacts with the fishing line. Even when a metal which does not give any anxiety about the environmental pollution but is too hard to be flexibly deformed, such as tungsten, is used as the sinker body 20, fastening operation of the fishing line L can be carried out, because the slit 16 of the slit material 10 made of the resin material is easily deformable.

SINKER FOR FISHING

Abstract: PROBLEM TO BE SOLVED: To provide a sinker for fishing preventing pollution of a river and damage to fishes, birds, etc., caused by lead used as a sinker in a fishing hook, extending flying distance of the fishing hook and capable of raising sinking speed by utilizing a lower specific gravity than lead and enabling to obtain a good fishing result. SOLUTION: The fishing hook provided with a fishing line holding part holding fishing line, a curved fishing hook body extending from the fishing line holding part and a point part to catch a fish, has a tungsten sinker installed at the upper part of the fishing hook body part.

WEIGHT FOR FISHING GEAR, AND APPLICATION AND PRODUCTION OF THE SAME

Abstract: PROBLEM TO BE SOLVED: To obtain a fishing weight which is easily producible, less expensive and easily processable into a soft lure, and further which has a high specific gravity by molding a specific metal-resin combined powder under heating and compressing. SOLUTION: A weight 12 for a fishing gear produced by molding a metal- resin combined powder under heating and compressing. The metal-resin combined powder is prepared by coating metal particles substantially free from lead, zinc and tin with a resin, and it consists of combined particles having a specific gravity of 11-16. The metal particles are preferably composed of tungsten and/or its alloy. Further, in a jig-head 1 having a weight part which wraps the root of a fishhook in such a manner that the fishhook and its eye 11a are exposed, and which is integrated with the fishhook, the weight part can be the above-mentioned weight 12 for fishing gear.

SINKER FOR FISHING TACKLE USING BIODEGRADABLE PLASTIC RESIN

SINKER FOR FISHING TACKLE

Abstract: PROBLEM TO BE SOLVED: To obtain the subject sinker miniaturized with reduced volume and affording a specific gravity greater than that of lead optimum as a sinker by molding to a specified specific gravity a composition mainly comprising tungsten (alloy) and a thermosetting resin. SOLUTION: This sinker is obtained by molding to a specific gravity of 11-17 a composition mainly comprising pref. 20-35 vol.% of a thermosetting resin and tungsten or its alloy (pref. W-Ni-Cu-based alloy, W-Ni-Fe-based alloy, or the like; specifically, W-6Ni-4Cu, W-3Ni-2Cu, W-1.8Ni-1.2Cu, W-4.9Ni-2.1Fe, W-3.5Ni-1.5Fe, or the like). This sinker is attached to the tip of the line of a fishing tackle.

MANUFACTURE OF TUNGSTEN-FILLED THERMOPLASTIC RESIN PELLET FOR INJECTION MOLDING

SINKER FOR FISHING TOOL

Abstract: PROBLEM TO BE SOLVED: To obtain a sinker for a fishing tool, constituted in small size and heavy in weight, not damaging the natural world. SOLUTION: The sinkers 1, 11, 21, 31a and 31b for a fishing tool is constituted of an alloy by adding nickel and iron or copper to tungsten so as to make a specific gravity ≥17. The alloy is made by sintering by powder metallurgy. These sinkers have corrosion resistance, do not damage the natural world and can be reduced in volume.

MATERIAL USABLE FOR BULLET OR WEIGHT MADE OF KONNYAKU POWDER AND TOXIC METAL POWDER AND MANUFACTURE THEREOF

Abstract: PURPOSE: To eliminate public pollution even if a material made of konnyaku or gelatinous food made from devil's-tongue starch powder and non-toxic metal powder of predetermined amount with respect to the konnyaku as a bullet, finishing weight, etc., is left to stand in natural field after using by using the material as the bullet, the fishing weight, etc. CONSTITUTION: A kg of konnyaku powder, 0.5A to 5Akg of non-toxic metallic powder (tungsten powder) and 5A to about 40Akg of water are mixed, the mixed solution is left to stand for about 2 to three hours. Then, the solution thus left to stand is agitated without irregularity, glucomannan is solidified, and then solidified konnyaku powder is filled in a predetermined mold to be molded. Thereafter, the molding is filled in a dryer to extract its moisture, and the shape is arranged. As required, a film coating is provided. When the bullet or the weight is left to stand for about one week, it is corroded to be returned to soil. The bullet or the weight flowing to the river is returned to the water in 5 to 30 days. Thus, even if it is left to stand after the use, there is no anxiety of public pollution.

SINKER FOR FISHING, AND METHOD FOR PRODUCING THE SAME

Abstract: PROBLEM TO BE SOLVED: To provide a sinker for fishing comprising a brittle metal and to provide a method for producing the same. SOLUTION: The material for the sinker body has a sufficient specific gravity for using as the sinker (10) for fishing, and has an outside casing, namely, a skin cover (15) fitting to the outer surface (10a) of the body to prevent crushing of the body and preventing loss of the material in the case of crushing. The casing can be provided with a visible indicator to help a user identify the type of sinker and dimension or other information thereof.

TRANSPARENT SINKER WITH LOW SPECIFIC GRAVITY

Abstract: PROBLEM TO BE SOLVED: To provide a means for simultaneously achieving tightening of a fishline and synchronization with chum or attractant by using a transparent sinker with a low specific gravity because the conventional sinker attached to the vicinity of a fishhook is mainly composed of a metal (e.g. lead) and has a large specific gravity to cause crimp or bend to the flow and not to be readily synchronized with the chum. SOLUTION: This transparent sinker with the low specific gravity is characterized in that a half-cone body is formed out of a transparent material having >1.0 specific gravity, and a through hole 3 allowing the fishline to penetrate the hole 3 from the vicinity of the tip bottom part of the half-cone body to the vicinity of the top center comprising a flat surface, a concave part or the like. The transparent sinker with the low specific gravity can be attached to a part very close to a fishhook without calling attention of a fish because of the transparency, and hardly provides a node-like crimp to the fishline because of the low specific gravity. The sinker also can facilitate the catch of strike because the flat surface or the concave part of the upper part receives the force of the stream to make the fishline tight, and can allow the chum or the attractant to be synchronized with the fishhook and prevent the terminal tackle from being entangled because the terminal tackle is directly pulled by the flow. A transparent high-molecular material and glass having >1 specific gravity is cited as the material.

FISHING SINKER

Abstract: PROBLEM TO BE SOLVED: To obtain a fishing sinker made of a high-specific gravity synthetic resin capable of readily nipping a fishing line without separately equipping a main body with a hinge means, etc. SOLUTION: This fishing sinker is obtained by equipping a main body 1 of the fishing sinker, composed of a high-specific-gravity resin made to have a high specific gravity by compounding a flexible resin with a high-specific- gravity metal, with a slit 2 capable of nipping a fishing line, closable by the restoring force of the high-specific-gravity resin and openable by applying an external force to the main body.

FISHING SINKER EQUIPPED WITH MEMBER FOR ADJUSTING SINKING SPEED IN WATER AND ITS PRODUCTION

Abstract: PROBLEM TO BE SOLVED: To provide a fishing sinker capable of enlarging a casting distance on bait casting and capable of adjusting and assisting the sinking speeds of a lure and a bait. SOLUTION: This fishing sinker is obtained by integrally attaching an adjusting member 2 to a sinker body 1 formed from a lightweight material whose specific gravity is smaller by 3.0-15.0% than that of water, thus forming the sinker which is wholly heavier by 1.5-4.5 times than that of the water. The adjusting member 2 is formed from a heavy material having a larger specific gravity by 7.5-8.0 times that of water.

FISHING SINKER