WO2013073597A1 - 釣糸ガイド及び、その釣糸ガイドを備える釣竿 - Google Patents
釣糸ガイド及び、その釣糸ガイドを備える釣竿 Download PDFInfo
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- WO2013073597A1 WO2013073597A1 PCT/JP2012/079595 JP2012079595W WO2013073597A1 WO 2013073597 A1 WO2013073597 A1 WO 2013073597A1 JP 2012079595 W JP2012079595 W JP 2012079595W WO 2013073597 A1 WO2013073597 A1 WO 2013073597A1
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- fishing line
- line guide
- resin layer
- reinforced resin
- fiber reinforced
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K87/00—Fishing rods
- A01K87/04—Fishing-line guides on rods, e.g. tips
Definitions
- the present invention relates to a fishing line guide formed of a resin material impregnated with reinforcing fibers and a fishing rod provided with the fishing line guide.
- fishing rods for general fishing there are fishing rods provided with a plurality of fishing line threading guides (hereinafter referred to as fishing line guides).
- the fishing line guide provided on these fishing rods is attached to either the upper surface or the lower surface of the rod depending on the type of reel used.
- the fishing line guide is attached to the upper side of the fishing rod.
- the fishing line guide is attached to the lower side of the fishing rod.
- These fishing line guides are usually configured by fitting a guide ring made of SiC or the like that is inserted into and supported by a frame made of a metal material such as titanium or stainless steel.
- the strength has been improved and the weight of the rod has been reduced as the diameter has been reduced.
- the weight of the entire rod is increased.
- a fishing rod using a spinning reel for example, a throwing rod having a length of more than 4 m that disposes a device from the beach
- the flying distance is affected by the speed at which the rod tip swings out as well as the flexible flexibility of the fishing rod, the long throwing operation is greatly affected by the degree of deflection of the rod and the weight reduction.
- a prepreg that is, a frame made of reinforced fibers such as carbon fiber or other prepregs, which is impregnated with a thermosetting resin
- a fishing line guide has been proposed.
- a fishing line guide having a support leg has been proposed.
- For the biped fishing line guide only a conceptual configuration is presented.
- this biped fishing line guide When this biped fishing line guide is actually formed, there is a structure in which there is a branching point that branches from one ring holding part to the front and rear supporting leg parts. As shown in FIG. 11, the branch portions are bonded and thermally cured so that the three sets of sheet members 11, 12, and 13 come into contact with each other. These sheet members are formed in a woven fabric in which reinforcing fibers such as carbon fibers are knitted into a plain weave, or in an aligned form in which the fibers are arranged side by side. For this reason, if a crease is made at the time of bonding, there arises a problem that each thin fiber breaks and becomes weak in strength.
- At least one sheet member 13 is addressed from the lower side to the branching point A of the two sets of sheet members 11 and 12 that branch forward and backward from the ring holding portion. It becomes a structure which mutually contacts.
- the central portion 19 of the branch point A becomes a gap or becomes sealed with the resin that has oozed out from each sheet member, resulting in manufacturing variations in the fishing line guide.
- the present invention provides a fishing line guide formed of a resin material impregnated with a lightweight reinforcing fiber and a fishing rod provided with the fishing line guide, in which the presence or absence of gaps at branch points is unified and there is no manufacturing variation.
- a fishing line guide formed of a resin material impregnated with a lightweight reinforcing fiber and a fishing rod provided with the fishing line guide, in which the presence or absence of gaps at branch points is unified and there is no manufacturing variation.
- the fishing line guide has, for example, a monopod (so-called single foot) supporting leg portion connected to one fixed portion as shown in FIG. 14A, the load caused by the road line passing through the guide ring.
- the hook is concentrated on the bent portion rising from the fixing portion for fixing the fishing line guide to the fishing rod to the support leg portion. Even when the fishing rod is carried, the impact on the bent portion is the strongest even when the tip end side of the guide ring is hit.
- the prepreg is added and formed thick so as to be applied to the bent part from the fixed part to the support leg part, and the necessary strength is realized. Further, a prepreg having the same thickness as or larger than the prepreg disposed inside is applied to both surfaces of the guide ring so that the joints and the like are not exposed.
- a step between the fiber sheet 110a additionally disposed for reinforcement and the lower fiber sheet 110b is caused to cover the surface.
- a small gap m having a substantially triangular shape may occur between the fiber sheet 109a and the fiber sheet 110a disposed on the surface.
- the strength is lower than that without the gap m, and the strength characteristics vary.
- the fishing line guide has a strength characteristic within the range of design performance (manufacturing standard)
- a product with a gap m sealed according to the user's appearance is a good product, and a product with a gap is a defective product. It can be judged.
- it is preferable that the gap m is closed in view of appearance.
- the present invention includes a fishing line guide that fills a gap generated by the sheet end portion of a fishing line guide formed by a plurality of laminated fiber reinforced resin sheets, and that can provide a good appearance while preventing a decrease in strength, and the fishing line guide.
- One of the purposes is to provide fishing rods.
- a fishing line guide includes a fishing line guide portion that guides a fishing line, and a first portion that extends from the end portion of the fishing line guide portion to one side and is provided with a fixing portion at the tip end. And a second leg portion that branches from either the end portion of the fishing line guide portion or the first leg portion and extends to the other, and a fixing portion is provided at the tip.
- a first fiber reinforced resin layer formed by laminating a plurality of sheet-like synthetic resins including reinforcing fibers, which forms the fishing line guide portion and the first leg portion, and the branch
- a second fiber reinforced resin layer which is fixed to the first fiber reinforced resin layer up to a point, and is laminated with the synthetic resin forming the fishing line guide portion and the second leg portion; and the first leg portion.
- the third fiber reinforced resin layer laminated with the synthetic resin fixed to the second fiber reinforced resin layer, and the branch surrounded by the first fiber reinforced resin layer to the third fiber reinforced resin layer. And a branch gap member located in the location.
- a fishing line guide guides a fishing line by laminating a plurality of fiber sheets impregnated with a resin material in which a plurality of reinforcing fibers are arranged and thermally cured.
- a fishing line guide with high strength and reduced weight formed by a resin material impregnated with the presence or absence of air gaps at branch points, without manufacturing variations, and impregnated with reinforcing fibers, and the fishing line guide A fishing rod can be provided.
- a fishing line guide that fills a gap generated by a sheet end portion of a fishing line guide formed by a plurality of laminated fiber reinforced resin sheets, and prevents a decrease in strength and obtains a good appearance.
- a fishing rod provided with the fishing line guide can be provided.
- FIG. 1 is a diagram showing an external configuration of a fishing rod provided with a fishing line guide according to an embodiment of the present invention.
- FIG. 2 is a diagram illustrating an external configuration of the fishing line guide according to the first embodiment.
- FIG. 3 is a view for explaining a cross-sectional structure of the fishing line guide.
- FIG. 4 is an enlarged view showing a branching point in the fishing line guide.
- FIG. 5 is a diagram conceptually showing production by press molding for forming a fishing line guide.
- FIG. 6 (a) shows an external configuration of a cured prepreg including a fishing line guide manufactured by press molding
- FIG. 6 (b) is a diagram showing a configuration seen through a branching portion of the cured prepreg. is there.
- FIG. 7A is a diagram showing a branch gap member of a first modification in the first embodiment
- FIG. 7B is a diagram showing a branch gap member of a second modification
- FIG. ) Is a diagram showing a branch gap member of a third modified example.
- FIG. 8 is an enlarged view showing a branching point in the fishing line guide according to the second embodiment.
- FIG. 9 is a view for explaining press molding for forming a fishing line guide in the second embodiment.
- FIG. 10 is an enlarged view of a branching point in the fishing line guide according to the third embodiment.
- FIG. 11 is an enlarged view of a branch point in a conventional fishing line guide.
- FIG. 12 is a diagram illustrating an example of a modification of the leg portion of the fishing line guide.
- FIG. 13 is a diagram illustrating an external configuration of a fishing rod including a fishing line guide according to the fourth embodiment.
- FIG. 14A is a diagram illustrating an external configuration of a fishing line guide in the embodiment
- FIG. 14B is a diagram illustrating a cross-sectional configuration of the fishing line guide.
- FIG. 15 is a diagram showing a partial cross-sectional structure of a laminated structure in which a bent portion of a fishing line guide is enlarged.
- 16 is a diagram showing a partial cross-sectional structure in which a region A in FIG. 15 is enlarged.
- FIG. 17 is a diagram conceptually showing a plurality of laminated fiber sheets and a gap sealing member before press molding.
- FIGS. 18A and 18B are views showing examples of the external shape of the gap sealing member.
- FIG. 19 (a) is a diagram conceptually showing the production by press molding for forming the frame body
- Fig. 19 (b) is a fiber sheet including the formed frame body.
- FIG. 20 is a diagram for explaining a partial enlarged cross-sectional structure corresponding to a region A of a conventional fishing line guide in which a gap is generated in a reinforcing portion.
- FIG. 1 is a diagram showing an external configuration of a fishing rod provided with a fishing line guide according to an embodiment of the present invention
- FIG. 2 is a diagram showing an external configuration of a fishing line guide according to the first embodiment
- FIG. It is a figure for demonstrating cross-sectional structure.
- the fishing rod 1 of the present embodiment is a type in which a double-axis reel (or bait reel) (not shown) is mounted on the reel seat 3 of the bat 2, and a plurality of fishing line guides 5 are provided on the upper surface of the rod body 4 at intervals.
- a top guide 6 is provided at the tip of the hook.
- the tip side of the fishing rod is referred to as the front, and the heel side is referred to as the rear.
- the fishing line guide 5 is composed of a frame 8 made of a fiber reinforced resin material impregnated with a resin, which will be described later, and a guide ring 7 made of SiC or the like.
- the guide ring 7 is fitted in a ring-shaped ring holding portion (fishing line guide portion) 8 a provided on the upper portion of the frame 8.
- the ring holding portion 8a has an annular shape such as a circle, an ellipse, an oval, a track shape, and the like, and the end portion thereof is all on the peripheral end, for example, the upper end, the lower end, Includes edges.
- FIG. 2 shows a fishing line guide 5 having two support legs 8b and 8c as an example. These support legs 8b and 8c have a height (length) for separating the fishing line (road line) from the fishing rod by a predetermined distance.
- a main leg that extends substantially linearly from the ring holding part (fishing line guide part) 8a and fixes the leg connected to the fixing part to the rod.
- Part (first leg) 8c the leg branched from the other ring holding part 8a and connected to the fixing part.
- the leg branched from the other ring holding part 8a and connected to the fixing part is referred to as an auxiliary leg part (second leg part) 8b for supporting the main leg part 8c and preventing thread warp.
- the fishing line guide 5 may fix any leg part toward the tip of the hook or the bottom of the hook, and the main or auxiliary relationship in the leg part is not limited.
- the main leg portion 8c extends along the frame surface from two midpoints of the ring holding portion 8a, forms a V-shape by lightening to reduce weight, is bent horizontally, and is connected to the fixing portion 8e. .
- the auxiliary leg portion 8b is branched at a branching point A obliquely downward from two points in the middle of the ring holding portion 8a, has a V shape, and is horizontally bent and fixed to provide a guide for preventing entanglement of the fishing line. It is connected to the part 8d.
- Each of the fixing portions 8d and 8e is placed at a predetermined position of the fishing rod, is fixed by winding a thread, and is subjected to wrapping and coating treatment with resin or the like from the surface of the thread.
- FIG. 4 is an enlarged sectional view showing a branching point in the fishing line guide.
- the frame 8 includes a laminated sheet 11 (first fiber reinforced resin layer), a laminated sheet 12 (second fiber reinforced resin layer), and a laminated sheet 13 (third The fiber reinforced resin layer) is abutted and thermally cured.
- These prepregs are sheet members impregnated with a matrix resin that is knitted into a plurality of reinforcing fibers, for example, carbon fibers arranged in the same direction, or woven into a plain weave or the like and cured by heat processing. These sheet members are superposed by combining the fiber directions of the reinforcing fibers into a plurality of directions so that the frame 8 has strength based on the design value.
- the knitting width is set to be a width narrower than the width of the frame portion having the minimum finished dimension, for example, the auxiliary leg portion 8b.
- the bending radius (R) of the main leg portion 8c and the auxiliary leg portion 8b at the branch point A is preferably at least a value that does not cause damage such as bending of the reinforcing fiber. This degree varies depending on the material of the reinforcing fiber used, the fiber diameter, the fiber arrangement direction (alignment direction), and the like, and has various numerical values.
- the radius R is larger than t1 and t2, for example, the radius R is preferably 2 mm or more.
- glass fiber, aramid fiber, metal fiber, synthetic resin fiber or the like can be used in addition to carbon fiber.
- a matrix resin a thermosetting resin or a thermoplastic resin can be applied, for example, an epoxy resin, a polyamide resin, a phenol resin, an unsaturated polyester resin, etc. can be used.
- other members are not as rigid as the matrix resin, but ABS resin, synthetic rubber, foaming material, and the like can also be applied. However, among the other members, members that do not dissolve at the curing temperature of the matrix resin are preferable.
- a material that is less rigid than the fiber-reinforced resin layer forming the frame can be easily deformed and can be a guide that is not easily damaged.
- the branch point A shown in FIG. 11 described above is bonded and thermally cured so that the three sets of laminated sheets 11, 12, and 13 come into contact with each other from three directions.
- the conventional branch point A is sealed due to the generation of voids or oozing of excess resin.
- This bifurcation point A has a first action or two legs in which when the attached fishing rod is bent, the distance between the two legs is narrowed and the fishing line is pulled up in the direction of pulling the ring holding part 8a away from the fixing part (pulling the support leg part).
- One of the second actions occurs in which the gap is widened and the fishing line presses the ring holding portion 8a downward toward the fixed portion.
- a fishing rod using a spinning reel with a fishing line guide disposed below the fishing rod has a first action when the fishing line is loaded and bent downward.
- a fishing line guide is disposed on the upper side of a fishing rod and a double rod reel is used, the fishing line is loaded with a load and bent downward.
- the gap at the branch point A is integrally provided so as to be filled with the branch gap member 14 made of a resin material equivalent to the sheet member. Since this branching gap member 14 is in close contact (welding) to each joint surface of the laminated sheets 11, 12, 13, the force acting between the joint surfaces can be reduced. Moreover, the peeling or crack which arises between the joint surfaces of a lamination sheet is prevented.
- FIG. 5 is a diagram conceptually showing production by press molding for forming the fishing line guide of the present embodiment.
- FIG. 6A shows an external configuration of a cured prepreg molded product including a fishing line guide manufactured by press molding
- FIG. 6B shows a configuration through which a branching portion of the cured prepreg molded product is seen through.
- FIG. 6A shows an external configuration of a cured prepreg molded product including a fishing line guide manufactured by press molding
- FIG. 6B shows a configuration through which a branching portion of the cured prepreg molded product is seen through.
- the molds 21, 22, and 23 are brought into contact with each other at a predetermined position as shown in FIG. 5 by a processing device (not shown).
- the branch gap member 14 is inserted so that the convex portion (tip portion) of each mold is sandwiched between the opposing portions (branch locations).
- the branch gap member 14 has a rod shape having a length exceeding the width of the laminated sheet, and uses a triangular shape whose cross section is close to the internal shape of the branch point.
- the cross section of the branch gap member 14 may be rectangular, there is a concern that corner portions of the branch gap member 14 may damage the laminate sheet during pressurization during thermal processing. Or the shape which touches by a curved surface is preferable.
- the prepreg molded product 20 is taken out from the cooled molds 21, 22, and 23.
- a thermoset prepreg molded product 20 including the frame 8 as shown in FIG. 6A is formed.
- ⁇ ⁇ ⁇ ⁇ Cut out the frame 8 from this prepreg molded product As a cutting method, for example, a laser beam, a water jet, or an apparatus using a blade, for example, a laser processing apparatus, a water jet processing apparatus, a resin NC processing apparatus, or the like can be used.
- the method for cutting out the frame 8 is not particularly limited.
- the bottom surface of the fixing portion may be curved so that the bottom surface of the fixing portion is satisfactorily seated, or the groove is formed so that the fixing thread is easily hooked on the upper surface of the fixing portion.
- Processing may be performed.
- the frame 8 may be subjected to chamfering processing or barrel polishing processing for preventing cracking from each edge and removing burrs.
- coating may be performed with a member having a thickness that does not increase weight and hardness (for example, ceramic, glass, or a metal having corrosion resistance (by salt water)).
- a physical vapor deposition technique PVD: evaporation method or sputtering method or the like
- CVD chemical vapor deposition technique
- the guide ring 7 is fitted into the ring holding portion 8a of the completed frame 8 by using a normal method and fixed with an adhesive or the like.
- the guide ring is not necessarily required depending on the load of the fishing rod used and the type of fishing line.
- the inner surface of the ring holding part may be polished to a mirror surface, or a surface process for laminating a hard member may be performed separately. It may be processed so that the fishing line can be easily guided.
- the branch gap member 14 made of a resin material is in close contact with the joint surface of each of the laminated sheets 11, 12, 13 and sealed at the center of the branch point A of the frame 8.
- the force acting between the joint surfaces can be reduced.
- the branch gap member 14 made of only the resin member is inserted into the branch portion.
- a branch gap member 16 including the above may be used as a first modification.
- the plurality of reinforcing fibers 15 are given strength in the width direction of the frame 8 by being inserted along the direction in which the branch gap member 16 extends.
- a prepreg 17 including reinforcing fibers 15 may be used as a branch gap member by being folded into a triangle in the fiber arrangement direction. Alternatively, the prepreg 17 may be used by being cut long and thin in the fiber arrangement direction.
- a prepreg 18 including the reinforcing fibers 15 may be rounded according to the size of the gap. According to this modification, it is possible to provide a fishing line guide that has the same effect as that of the first embodiment described above, and further has increased strength with reinforcing fibers.
- FIG. 8 is an enlarged view showing a branching point in the fishing line guide according to the second embodiment.
- FIG. 9 is a view for explaining press forming for forming a fishing line guide in the present embodiment.
- the same parts as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.
- the fishing line guide 31 of the present embodiment has a structure in which a gap 32 having the same shape is intentionally formed at the branching point A of the leg under a condition that satisfies design performance (manufacturing standard). As described above, even in the case of a fishing line guide that satisfies the performance, when there is a gap, the user may be regarded as a defective product with a gap. Are intentionally formed to eliminate the presence or absence of voids. As shown in FIG. 8, the branched portion A of the fishing line guide 31 is formed in a shape that matches the facing state of each surface of the three laminated sheets 11, 12, 13, in this embodiment, in a substantially triangular shape or a circular shape. An air gap 32 is provided. By providing this gap, the branching portion has a low rigidity, is easily deformed, easily follows the bending of the ridge, and is not easily damaged.
- FIG. 9 illustrates the formation of the fishing line guide 31 that forms the gap 32.
- the laminated sheets 11, 12, and 13 in which the prepregs are stacked are loaded into predetermined positions of the molds 21, 22, and 23 for press molding.
- the molds 21, 22, and 23 are brought into contact with each other at predetermined positions as shown in FIG.
- the punching die 33 is inserted so that the convex portion (tip portion) of each mold is sandwiched between the opposing locations (branch locations).
- the punching die 33 is a rod member having a circular (cylindrical) cross section, and is made of, for example, metal.
- a prepreg molded product 20 similar to that shown in FIG. 6A is taken out from the cooled molds 21, 22 and 23.
- the punching die 33 is extracted from the thermoset prepreg molded product 20. Thereafter, similarly to the first embodiment, the frame is cut out from the prepreg molded product.
- the fishing line guide 31 in which uniform gaps are provided at the branch points. Therefore, there is no state in which the presence or absence of voids having different shapes at the branch location is eliminated, and it is possible to prevent a situation that is regarded as a defective product by the user. Moreover, since it is the space
- a mold member made of a triangular prism-shaped resin having a hollow inside may be used in place of the metal die 33.
- the resin material used for a formwork member selects the material which does not deform
- the formwork member is preferably a hollow triangular prism shape, but is not limited to this, and any other ring shape such as a hollow circle or an ellipse may be used as long as it is in contact with the laminated sheet on the surface. May be. According to this modification, by using the mold member, the frame can be cut out without being drawn from the thermoset prepreg molded product. Thereby, a manufacturing process is simplified.
- FIG. 10 is an enlarged view of a branching point in the fishing line guide according to the third embodiment.
- members equivalent to those in the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted.
- the fishing line guide is not required to have much strength and may be most demanded to be light.
- the laminated sheet (first fiber reinforced resin layer) and the laminated sheet 12 (second fiber reinforced resin layer) are separated from the branching point A under the ring holding part by two supporting leg parts (main leg part 8b, auxiliary leg).
- a fishing line guide 41 branched to a portion 8c) and connected to a fixing portion (not shown).
- the branch gap member 42 is assigned to the branch portion A during the thermosetting process for the laminated sheets 11 and 12 and is dissolved and fixed to the surfaces of the respective leg portions.
- the branch gap member 42 is made of the above-mentioned thermosetting resin or thermoplastic resin made of the same material as the fishing rod, and may include a plurality of reinforcing fibers. Moreover, you may utilize a prepreg.
- the branch gap member 42 at the branch point of the support leg portion, it is possible to prevent the laminated sheets 11 and 12 from being torn or peeled off. Furthermore, it is suitable for a fishing line guide mounted on a fishing rod with a relatively small load for small fish, and further weight reduction can be realized.
- each embodiment mentioned above demonstrated the fishing line guide provided with the fixing part of two legs, it can be applied with respect to the guide which has a branch location, and the branch of the top guide attached to a tip as an other than this. The same effect can be applied to the location, and the same effect can be obtained.
- each embodiment of the present invention it is possible to provide a fishing line guide suitable for a fishing rod that has been reduced in weight as the fishing rod manufacturing technology advances. That is, when a large number of fishing line guides having a metal frame are attached to a lighter fishing rod, not only the weight of the entire rod is increased, but also the weight balance of the entire fishing rod is deteriorated.
- the fishing line guide frame is made of a resin material similar to that of the fishing rod, so when it is fixed to the fishing rod, it deforms following the bending of the fishing rod.
- it is possible to achieve the desired degree of bending of the rod without impairing the flexible flexibility of the fishing rod.
- the first and second leg portions extend independently from the end portions of the ring holding portion (fishing line guide portion) 8a independently of each other. It is not limited.
- maintenance part (fishing line guide part) 8a may be sufficient.
- the structure which one leg part branches and extends from the other leg part may be sufficient.
- the second leg portion 8b is provided by branching from the middle of the first leg portion 8c extending from the ring holding portion (fishing line guide portion) 8a formed by the laminated sheet 11 and the laminated sheet 12. In this case, a branch point A is generated between the first leg portion 8c and the second leg portion 8b.
- a fishing line guide in which a resin member is filled in a gap at a branching place or a uniform shaped gap is provided at a branching place. Can be provided.
- the second embodiment according to the present invention includes the following gist.
- An annular fishing line guide portion a first leg portion extending from the end portion of the fishing line guide portion and provided with a fixing portion at the tip, and a branch portion extending from the fishing line guide portion and extending to a fixing portion at the tip end.
- a fishing line guide configured integrally with a provided second leg,
- a first fiber reinforced resin layer formed by laminating a plurality of sheet-like synthetic resins including reinforcing fibers, which forms the fishing line guide portion and the first leg portion;
- the second fiber reinforced resin layer which is fixed to the first fiber reinforced resin layer from the fishing line guide part to the branching point and is laminated with the synthetic resin forming the fishing line guide part and the second leg part.
- the synthetic resin that is fixed to the first fiber reinforced resin layer and the second fiber reinforced resin layer is laminated through the branching portion from the first leg portion to the second leg portion.
- the item (1) is characterized in that the void is formed through a punching die during thermosetting of the first fiber reinforced resin layer to the third fiber reinforced resin layer.
- the described fishing line guide is formed of a resin material or a metal material that is inserted into the branch portion during the thermosetting process of the first fiber reinforced resin layer to the third fiber reinforced resin layer and does not deform or dissolve when heated.
- FIG. 13 is a diagram illustrating an external configuration of a fishing rod including a fishing line guide according to the fourth embodiment
- FIG. 14A is a diagram illustrating an external configuration of a fishing line guide according to the present embodiment
- FIG. It is a figure for demonstrating the cross-section of a fishing line guide.
- FIG. 15 is a diagram showing a partial cross-sectional structure of a laminated structure in which a bent portion of a fishing line guide is enlarged.
- 16 is a diagram showing a partial cross-sectional structure in which a region A in FIG. 15 is enlarged.
- the fishing rod 101 of this embodiment is a type in which a double-axis reel (or bait reel) (not shown) is mounted on the reel sheet 103 of the bat 102, and a plurality of fishing line guides 105 are provided on the upper surface of the rod body 104 at intervals.
- a top guide 106 is provided at the heel.
- the tip side of the fishing rod is referred to as the front, and the heel side is referred to as the rear.
- the fishing line guide 105 includes a fiber reinforced resin sheet (hereinafter referred to as a fiber sheet) in which linearly extending reinforcing fibers are arranged and impregnated with a resin material, a frame main body 107 formed of a so-called prepreg, and an annular shape made of SiC or the like. It comprises a guide ring 108.
- the fiber sheet in the present embodiment is a sheet member impregnated with a matrix resin in which a large number of linearly extending reinforcing fibers such as carbon fibers are knitted into the same direction or woven into a plain weave and cured by heat processing.
- a matrix resin a thermosetting resin or a thermoplastic resin can be applied, for example, an epoxy resin, a polyamide resin, a phenol resin, an unsaturated polyester resin, etc. can be used.
- members that do not dissolve at the curing temperature of the matrix resin are preferable.
- the reinforcing fiber in the present embodiment glass fiber, aramid fiber, metal fiber, synthetic resin fiber or the like can be used in addition to carbon fiber.
- the frame main body 107 is bent from the ring-shaped ring holding part (fishing line guide part) 107a provided on the upper side, the supporting leg part 107b that supports the ring holding part 107a, and the supporting leg part 107b, and is shown in FIG.
- a fixed portion 107 c for attaching to the unit 104 is integrally formed.
- a guide ring 108 is fitted and fixed to the ring holding portion 107a.
- the ring holding portion 107a has a ring shape such as a circle, an ellipse, an oval, a track shape, or the like.
- the support leg 107b has a height (length) for separating the fishing line (road line) from the fishing rod by a predetermined distance.
- the supporting leg portion 107b has a V shape from two lower portions of the ring holding portion 107a, and is bent horizontally to be connected to the fixing portion 107c.
- the V-shape of the support leg portion 107b is a shape generated by hollowing out the inside into a substantially triangular shape so that the strength is not easily affected in order to reduce the weight. Therefore, the supporting leg 107b does not necessarily have a V shape.
- the fixing portion 107c is placed at a predetermined position of the fishing rod, is wound and fixed, and is lapped and coated with resin or the like from the yarn surface.
- fiber sheets 110b to 110g are laminated, and a short reinforcing fiber sheet 110a covering from the sheet lower surface to the bent portion is addressed from the lower surface side. Furthermore, on the outermost surface, the fiber sheets 109a and 109b are overlapped so as to cover the upper and lower surfaces of the short-width fiber sheet 110a, the fiber sheet 110b, and the fiber sheet 110g, and are integrally configured.
- the fiber sheets 109a, 109b, 110b to 110g are basically the same member such as a fiber reinforced resin sheet.
- the number of fiber sheets described above is a number based on the strength required at the time of design, and is not particularly limited.
- the gap m (FIG. 20) existing between the fiber sheet 109a and the short-width fiber sheet 110a is filled and embedded with a gap sealing member 111 made of the same material as the fiber sheet described later.
- FIG. 17 is a diagram conceptually showing a plurality of laminated fiber sheets and a gap sealing member before press molding.
- 18A and 18B are views for explaining the gap sealing member.
- FIG. 19A is a diagram conceptually showing the manufacture of the frame main body 107 by press molding
- FIG. 19B is a diagram showing the external configuration of the fiber sheet formed integrally.
- rectangular fiber sheets 110b to 110g serving as cores are stacked, and a short reinforcing fiber sheet 110a covering from the fixing portion 107c on the lower surface of the sheet to the bent portion is addressed.
- the gap sealing member 111 is disposed so as to be continuous with the upper end of the short-width fiber sheet 110a, and the fiber sheets 109a and 109b disposed on the upper and lower surfaces are overlapped with each other.
- these stacked fiber sheets 115 are set in the recesses of the mold 112 and heated while being pressed by the mold 113, so that the resin of each fiber sheet is dissolved. Are integrally formed so as to be in close contact with each other.
- a gap sealing member 111 shown in FIG. 18 (a) is a member for sealing the gap m generated between the fiber sheet 109a, the fiber sheet 110a, and the fiber sheet 110b.
- the gap sealing member 111 has the same structure as that of the fiber sheet, and as shown in FIG. 18A, has a prismatic shape in which a large number of reinforcing fibers are arranged in the same linear direction n.
- the gap sealing member 111 is disposed at the upper end of the fiber sheet 110a shown in FIG. 17, and is pressed by the fiber sheet 109a, the fiber sheet 110a, and the fiber sheet 110b when melted by being pressurized and heated.
- Each reinforcing fiber moves in accordance with the shape of the substantially triangular gap m. That is, the pressure from the sheet surfaces 109a and 110b and the sheet end portion 110a generated by pressing the mold acts in a direction perpendicular to the fiber arrangement direction of the gap sealing member 111, and is dissolved and fluidly sealed.
- the reinforcing fibers of the member 111 are moved together with the resin material. By changing the cross-sectional shape, the sheet surfaces are in close contact with each other without any gap or lift, and are solidified integrally to seal the gap m.
- the gap sealing member 111 shown in FIG. 18A has a prismatic shape, but may be a cylindrical gap sealing member 114 as shown in FIG. 18B.
- the shape is not particularly limited as long as the substantially triangular gap can be embedded.
- the gap sealing member 111 may be a thin fiber sheet wound or folded.
- the loading and holding of the fiber sheet 115 to the mold 112 may be held by a mechanical part such as a metal claw, or may be held electrically such as electrostatic adsorption.
- a release agent may be applied so that the fiber sheet 115 can be easily removed after molding.
- the fiber sheet (prepreg molded product) 115 formed integrally from the cooled molds 112 and 113 is taken out.
- the frame body 107 is cut out from the bent plate-shaped fiber sheet 115.
- a cutting method for example, a laser beam, a water jet, or an apparatus using a blade, for example, a laser processing apparatus, a water jet processing apparatus, a resin NC processing apparatus, or the like can be used.
- the method of cutting out the frame main body 107 employs a known method and is not particularly limited.
- the bottom surface of the fixing portion 107c may be curved so that the bottom surface of the fixing portion 107c is satisfactorily seated, and the fixing thread is easily hooked on the upper surface of the fixing portion. Groove processing may be performed.
- the frame main body 107 may be subjected to chamfering processing, taper processing, and barrel polishing processing for preventing cracking from each edge and removing burrs.
- coating may be performed with a member having a thickness that does not increase weight and hardness (for example, ceramic, glass, or a metal having corrosion resistance (by salt water)).
- a physical vapor deposition technique PVD: evaporation method or sputtering method or the like
- CVD chemical vapor deposition technique
- the guide ring 108 is fitted into the ring holding portion 107a of the completed frame main body 107 by using a normal method and fixed with an adhesive or the like.
- the guide ring is not necessarily required depending on the load of the fishing rod used and the type of fishing line.
- the inner surface of the ring holding part may be polished to a mirror surface, or a surface process for laminating a hard member may be performed separately. It may be processed so that the fishing line can be easily guided.
- the gap generated by the end portion of the added fiber sheet is embedded by the gap sealing member made of the fiber sheet member.
- the gap can be sealed. Therefore, even if a reinforcing member having an end is added inside the stack of the frame main body, variation in strength characteristics due to the gap can be prevented. Furthermore, the finish on the side surface of the fishing line guide is improved, and the appearance is improved.
- the gap generated by the end portion of the fiber sheet used for reinforcing the fixing portion 107c is taken as an example, but may be another location, for example, at the boundary with the support leg when the ring holding portion is reinforced. It may be an application example for sealing the gap.
- the fishing line guide having one support leg has been described as an example.
- the present invention is not particularly limited, and any one can be used as long as the gap is generated by the end of the fiber sheet added by reinforcement or the like.
- the present invention can also be applied to such places, and even a fishing line guide having two or more support legs can be easily implemented in the same manner.
- a fishing line guide is employed in a fishing rod that has been reduced in weight, the weight of the fishing rod as a whole can be reduced without hindering the weight reduction of the fishing rod.
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Abstract
Description
本出願は、日本国特許出願2011-249898(2011年11月15日出願)及び日本国特許出願2012-073603(2012年3月28日出願)に基づく優先権を主張し、その内容は参照により全体として本明細書に組み込まれる。
[第1の実施形態]
図1は、本発明の一実施形態に係る釣糸ガイドを備える釣竿の外観構成を示す図、図2は、第1の実施形態における釣糸ガイドの外観構成を示す図、図3は、釣糸ガイドの断面構造を説明するための図である。
本実施形態では、プレス成形するための金型21,22,23に対して、それぞれに複数の薄いプリプレグが積み重ねられた積層シート11,12,13を装填する。これらの金型の表面には、積層シートをセットするための凹部が設けられている。金型21,22への積層シート11,12の装填保持は、機械的部品例えば、金属ツメ等で保持させてもよいし、静電吸着等の電気的に保持させてもよい。尚、成形後に積層シートを外しやすいように剥離剤を塗布させてもよい。
次に、第1の実施形態における第1の変形例について説明する。
前述した第1の実施形態では、分岐箇所に樹脂部材のみからなる分岐間隙部材14を差し入れる構成であったが、第1の変形例として、図7(a)に示すように、強化繊維15を含む分岐間隙部材16を用いてもよい。複数の強化繊維15は、分岐間隙部材16が延伸する方向に沿って入れられることにより、フレーム8の幅方向に強度を持たせる。
また第2の変形例として、図7(b)に示すように、分岐間隙部材として、強化繊維15を含むプリプレグ17を繊維の配列方向で三角形に葛折りして使用してもよい。又は、プリプレグ17を繊維の配列方向で細長く切断し重ねて使用してもよい。
本変形例によれば、前述した第1の実施形態に対して同様な効果を有し、更に、強化繊維により強度を増大させた釣糸ガイドを提供することができる。
図8は、第2の実施形態における釣糸ガイドにおける分岐箇所を拡大して示す図である。図9は、本実施形態における釣糸ガイドを形成するプレス成形について説明するための図である。本実施形態において、前述した第1の実施形態と同等の部位には、同じ参照符号を付して、その説明を省略する。
図8に示すように、釣糸ガイド31の分岐箇所Aには、3つの積層シート11,12,13の各面の対向状態に合った形状、本実施形態では、略三角形状又は円形状に形成された空隙32を設けている。この空隙を設けることにより、分岐部が低剛性化して、変形しやすくなり、竿の曲がりに追随しやすく、且つ破損しにくい。
前述した第1の実施形態と同様に、プレス成形するための金型21,22,23の所定位置に、プリプレグが積み重ねられた積層シート11,12,13を装填する。次に、金型21,22,23を加工装置により図9に示すように、所定の位置で当接させる。その際に、各金型の凸部(先端部分)が対峙する箇所(分岐箇所)に挟み込まれるように、抜き型33を差し入れる。抜き型33は、断面が円形状(円柱状)を成すロッド部材であり、例えば、金属により形成されている。抜き型33を差し込んだ状態で金型21,22,23による加圧及び熱加工を行う。この熱処理において、抜き型33と積層シート11,12,13との隙間を埋めるように、各積層シートから樹脂が溶け出して充填される。
変形例として、金属製の抜き型33に代わって、内部が中空な三角柱形状の樹脂からなる型枠部材を用いてもよい。尚、型枠部材に用いる樹脂材料は、プリプレグに対する加熱硬化の際に、変形や溶解しない材料を選択する。また、塩等に対して耐腐食性を有する薄い金属を用いることも可能である。型枠部材は、中空な三角柱形状が好ましいが、これに限定されるものではなく、積層シートに面で接する形状であれば、他にも、中空な円、楕円などの中空な環形状であってもよい。
本変形例によれば、型枠部材を用いることにより、熱硬化されたプリプレグ成形品から抜き取らず、フレームの切り出しを行うことができる。これにより、製造工程が簡略化される。
図10は、第3の実施形態における釣糸ガイドにおける分岐箇所を拡大して示す図である。本実施形態において、前述した第1の実施形態と同等の部材には同じ参照符号を付してその説明を省略する。小型魚を釣魚対象とする釣竿においては、竿に掛かる負荷が比較的小さいため、釣糸ガイドに対しても、あまり強度を求められず、軽量化が最も要求される場合がある。
尚、上述した各実施形態は、2脚の固定部を備える釣糸ガイドについて説明したが、分岐箇所を有するガイドに対して適用することができ、これ以外として、竿先に取り付けられるトップガイドの分岐箇所に対しても同様に適用し、同等の効果を得ることができる。
更に、釣糸ガイドのフレームは、釣竿の材料に近い樹脂材料を使用して形成しているため、竿に固定した際に、竿の曲がりに追随して変形するため、金属フレームの釣糸ガイドに比べて、釣竿のしなやかな柔軟性を損なわずに、所望する竿の撓り具合を実現することができる。
更に、図12に示すように、一方の脚部が他方の脚部より分岐して伸び出る構成であってもよい。例えば、積層シート11と積層シート12により形成されるリング保持部(釣糸案内部)8aから伸び出た第1の脚部8cの途中から分岐して第2の脚部8bが設けられる。この場合、第1の脚部8cと第2の脚部8bとの間に分岐箇所Aが生じることとなる。このような構成においても、前述した第1乃至第3の実施形態を適用して、分岐箇所の空隙に樹脂部材が充填された又は、分岐箇所に画一形状の空隙が設けられた釣糸ガイドを提供できる。
(1)環状の釣糸案内部と、該釣糸案内部の端部から延伸し先端に固定部が設けられた第1の脚部と、前記釣糸案内部から分岐して延伸し先端に固定部が設けられた第2の脚部と、が一体的に構成される釣糸ガイドであって、
前記釣糸案内部及び前記第1の脚部を形成する、強化繊維を含む複数のシート状の合成樹脂が積層された第1の繊維強化樹脂層と、
前記釣糸案内部から前記分岐する箇所まで前記第1の繊維強化樹脂層と固着し、前記釣糸案内部及び前記第2の脚部を形成する前記合成樹脂が積層された第2の繊維強化樹脂層と、
前記第1の脚部から前記分岐する箇所を経て前記第2の脚部に至り、前記第1の繊維強化樹脂層と第2の繊維強化樹脂層とに固着される前記合成樹脂が積層された第3の繊維強化樹脂層と、を具備し、
前記第1の繊維強化樹脂層乃至前記第3の繊維強化樹脂層で囲まれる前記分岐する箇所に所定の形状を成す空隙が設けられていることを特徴とする釣糸ガイド。
(3)前記空隙は、前記第1の繊維強化樹脂層乃至前記第3の繊維強化樹脂層の熱硬化加工時に、前記分岐箇所に挿入され、加熱時に変形や溶解しない樹脂材料又は金属材料により形成されることを特徴とする前記(1)項に記載の釣糸ガイド。
図13は、第4の実施形態に係る釣糸ガイドを備える釣竿の外観構成を示す図、図14(a)は、本実施形態における釣糸ガイドの外観構成を示す図、図14(b)は、釣糸ガイドの断面構造を説明するための図である。図15は、釣糸ガイドの屈曲部分を拡大した積層構造の部分断面構造を示す図である。図16は、図15における領域Aを拡大した部分断面構造を示す図である。
Claims (8)
- 釣糸を案内する釣糸案内部と、該釣糸案内部の端部から一方に延伸し先端に固定部が設けられた第1の脚部と、前記釣糸案内部の端部又は前記第1の脚部のいずれかから分岐して他方に延伸し先端に固定部が設けられた第2の脚部と、が一体的に構成される釣糸ガイドであって、
前記釣糸案内部及び前記第1の脚部を形成する、強化繊維を含む複数のシート状の合成樹脂が積層された第1の繊維強化樹脂層と、
前記分岐する箇所まで前記第1の繊維強化樹脂層と固着し、前記釣糸案内部及び前記第2の脚部を形成する前記合成樹脂が積層された第2の繊維強化樹脂層と、
前記第1の脚部から前記分岐する箇所を経て前記第2の脚部に至り、前記第1の繊維強化樹脂層と第2の繊維強化樹脂層とに固着される前記合成樹脂が積層された第3の繊維強化樹脂層と、
前記第1の繊維強化樹脂層乃至前記第3の繊維強化樹脂層で囲まれる前記分岐する箇所内に位置する分岐間隙部材と、
を具備することを特徴とする釣糸ガイド。 - 釣糸を案内する釣糸案内部と、該釣糸案内部の端部から一方に延伸し先端に固定部が設けられた第1の脚部と、前記釣糸案内部の端部又は前記第1の脚部のいずれかから分岐して他方に延伸し先端に固定部が設けられた第2の脚部と、が一体的に構成される釣糸ガイドであって、
前記釣糸案内部及び前記第1の脚部を形成する、強化繊維を含む複数のシート状の合成樹脂が積層された第1の繊維強化樹脂層と、
前記釣糸案内部から前記分岐する箇所まで前記第1の繊維強化樹脂層と固着し、前記釣糸案内部及び前記第2の脚部を形成する前記合成樹脂が積層された第2の繊維強化樹脂層と、
前記第1の繊維強化樹脂層及び前記第2の繊維強化樹脂層における前記分岐する箇所に位置する分岐間隙部材と、
を具備することを特徴とする釣糸ガイド。 - 前記第3の繊維強化樹脂層において、前記第1の脚部から前記分岐する箇所を経て前記第2の脚部に至る曲がり半径は、前記第1の繊維強化樹脂層及び第2の繊維強化樹脂層のそれぞれの層厚よりも大きく、少なくとも前記第3の繊維強化樹脂層内の前記強化繊維に折れが生じないことを特徴とする請求項1に記載の釣糸ガイド。
- 前記分岐間隙部材は、複数の強化繊維が列状に配列されて熱硬化樹脂に含浸されたプリプレグにより形成されることを特徴とする請求項1に記載の釣糸ガイド。
- 環状の釣糸案内部と、該釣糸案内部の環状端部から延伸し先端に固定部が設けられた第1の脚部と、前記釣糸案内部の環状端部又は前記第1の脚部のいずれかから分岐して延伸し先端に固定部が設けられた第2の脚部と、が一体的に構成される複数の釣糸ガイドが設けられた魚釣用釣竿であって、
前記釣糸ガイドは、
前記釣糸案内部及び前記第1の脚部を形成する、強化繊維を含む複数のシート状の合成樹脂が積層された第1の繊維強化樹脂層と、
前記釣糸案内部から前記分岐する箇所まで前記第1の繊維強化樹脂層と固着し、前記釣糸案内部及び前記第2の脚部を形成する前記合成樹脂が積層された第2の繊維強化樹脂層と、
前記第1の脚部から前記分岐する箇所を経て前記第2の脚部に至り、前記第1の繊維強化樹脂層と第2の繊維強化樹脂層とに固着される前記合成樹脂が積層された第3の繊維強化樹脂層と、
前記第1の繊維強化樹脂層乃至前記第3の繊維強化樹脂層で囲まれる前記分岐する箇所内に位置する分岐間隙部材と、で構成されることを特徴とする釣糸ガイドを備える釣竿。 - 複数の強化繊維が配列され、熱硬化性及び熱可塑性の何れかの特性を有する樹脂材料に含浸された複数の繊維シートが積層され、釣糸を案内する環状の釣糸案内部、該釣糸案内部の端部から延伸する支脚部及び、該支脚部の先端側から屈曲して延伸する固定部を一体的に構成するフレーム本体であって、
前記フレーム本体の端面まで非到達で積層内に端部を有する短幅繊維シートに対して、該端部の面の延伸方向に沿って配列される強化繊維を前記樹脂材料で含浸する間隙封止部材を具備し、
前記間隙封止部材が、前記短幅繊維シートの端部の面に沿って当接して配置され、前記フレーム本体への加圧加熱時に、前記端部の面と、該面を挟むように積層された繊維シートとの間に生じる間隙を、断面形状を変化させて埋め込むことを特徴とする釣糸ガイド。 - 前記釣糸ガイドにおいて、
前記短幅繊維シートが前記固定部の先端から前記屈曲する部分まで掛かる補強部材であることを特徴とする請求項6に記載の釣糸ガイド。 - 釣竿に取り付けられる釣糸ガイドであって、
複数の強化繊維が配列され、熱硬化性及び熱可塑性の何れかの特性を有する樹脂材料に含浸された複数の繊維シートが積層され、釣糸を案内する環状の釣糸案内部、該釣糸案内部の端部から延伸する支脚部及び、該支脚部の先端側から屈曲して延伸する固定部を一体的に構成され、
前記フレーム本体の端面まで非到達で積層内に端部を有する短幅繊維シートに対して、該端部の面の延伸方向に沿って配列される強化繊維を前記樹脂材料で含浸する間隙封止部材を具備し、前記間隙封止部材が前記短幅繊維シートの端部の面に沿って当接して配置され、前記フレーム本体への加圧加熱時に、前記端部の面と、該面を挟むように積層された繊維シートとの間に生じる間隙を、断面形状を変化させて埋め込まれた釣糸ガイドを複数備えることを特徴とする釣竿。
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CN201280047382.2A CN103826450B (zh) | 2011-11-15 | 2012-11-15 | 钓线导件的骨架及具备具有其骨架的钓线导件的钓竿 |
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EP12849293.1A EP2742800B1 (en) | 2011-11-15 | 2012-11-15 | Fishing line guide and fishing rod provided with same |
US14/345,383 US10888074B2 (en) | 2011-11-15 | 2012-11-15 | Fishing line guide and fishing rod with the same |
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US11076585B2 (en) | 2016-01-27 | 2021-08-03 | Globeride, Inc. | Fishing line guide having high-hardness surface layer and fishing rod provided with said fishing line guide |
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US10888074B2 (en) | 2021-01-12 |
KR20140096254A (ko) | 2014-08-05 |
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US20140373427A1 (en) | 2014-12-25 |
EP2742800B1 (en) | 2017-04-05 |
CN103826450A (zh) | 2014-05-28 |
US11452284B2 (en) | 2022-09-27 |
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