JP6131314B2 - fishing rod - Google Patents
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- JP6131314B2 JP6131314B2 JP2015256528A JP2015256528A JP6131314B2 JP 6131314 B2 JP6131314 B2 JP 6131314B2 JP 2015256528 A JP2015256528 A JP 2015256528A JP 2015256528 A JP2015256528 A JP 2015256528A JP 6131314 B2 JP6131314 B2 JP 6131314B2
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- 229920005989 resin Polymers 0.000 claims description 36
- 239000011347 resin Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 27
- 239000007787 solid Substances 0.000 claims description 25
- 239000007769 metal material Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 210000001217 buttock Anatomy 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 235000019688 fish Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000972773 Aulopiformes Species 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 3
- 229910001000 nickel titanium Inorganic materials 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 235000019515 salmon Nutrition 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910001040 Beta-titanium Inorganic materials 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000276420 Lophius piscatorius Species 0.000 description 1
- 229910004353 Ti-Cu Inorganic materials 0.000 description 1
- 229910011212 Ti—Fe Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004013 groin Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Fishing Rods (AREA)
Description
本発明は、金属により形成された中空構造の穂先部を含む穂先竿を備える釣竿に関する。 The present invention relates to a fishing rod including a tip rod including a hollow tip portion formed of metal.
近年における釣竿は、強化繊維を含む繊維強化樹脂により形成され、曲げ剛性やねじれ剛性等が向上し、釣竿の細径化及び軽量化が進み、扱いが容易になっている。釣竿全体の細径化に伴い、竿先も細くなるが、魚種によっては、竿先に負荷が大きく掛かり、釣竿の強度のバランス設計が難しくなっている。また、竿先は、釣糸が纏った状態にも関わらずリールで釣糸を巻き上げる、又は仕掛けを投入して局所的な負荷を掛けた場合には、トップガイド嵌合部分又は穂先部が折れてしまう事故が発生する。 In recent years, fishing rods are made of fiber reinforced resin including reinforcing fibers, and have improved bending rigidity, torsional rigidity, etc., and the diameter and weight of fishing rods have been reduced, making handling easier. As the overall diameter of the fishing rod is reduced, the tip of the fishing rod becomes thinner. However, depending on the type of fish, a large load is applied to the tip of the fishing rod, making it difficult to balance the strength of the fishing rod. In addition, when the fishing line winds up the fishing line with a reel, or when a hook is applied and a local load is applied, the top guide fitting part or the tip part breaks. An accident occurs.
これに対して、穂先竿の強度を向上させる技術として、例えば、特許文献１には、金属製の中実な棒材を穂先部（小径竿体）として用いた穂先竿が提案されている。小径竿体は、穂持ち部（大径竿体）側に差し込まれる繋ぎ部（小径竿体の元側端部）の手前から竿先に向かい先細りの傾斜（テーパー）を付けるようにプリプレグシートを巻き付けて固化された傾斜繋ぎ部を設けている。繋ぎ部が差し込まれる大径竿体は、プリプレグシートをテーパー形状に巻き付けた中空構造に形成されている。傾斜繋ぎ部のテーパーが大径竿体のテーパーに段差なく繋がるように設けられている。 On the other hand, as a technique for improving the strength of the spikelet, for example, Patent Literature 1 proposes a spikelet using a solid metal rod as a tip part (small diameter rod). The prepreg sheet is attached so that the small-diameter frame has a tapered inclination (taper) from the front side of the connecting portion (the former side end of the small-diameter frame) to be inserted into the end portion (large-diameter frame). An inclined joint portion wound and solidified is provided. The large-diameter housing into which the connecting portion is inserted is formed in a hollow structure in which a prepreg sheet is wound in a tapered shape. The taper of the inclined connecting portion is provided so as to be connected to the taper of the large-diameter frame without a step.
前述した引用文献１は、穂先竿が金属製中実の棒形状の穂先部（小径竿体）の繋ぎ部を中空構造の樹脂部材で形成された大径竿体に差し込む接合構造である。このため、繋ぎ部となる棒部材と樹脂部材による竿体の重なり部分の剛性が前後に比べて大きくなっている。引用文献１では、繋ぎ部に至る穂先側には、傾斜繋ぎ部を設けているため、小径竿体から大径竿体の差し込み開口端分までは、スムーズな掛けカーブとなる。しかし、中実の接合部に続く大径竿体の中空部との境には、応力が集中しやすい構造となっている。このため、接合部から大径竿体への繋がりは、連続的に続くスムーズな掛けカーブとはならない。 The cited reference 1 described above is a joint structure in which the tip of the tip is inserted into a large-diameter casing formed of a hollow resin member with a joint portion of a metal solid rod-shaped tip (small-diameter casing). For this reason, the rigidity of the overlapping part of the housing by the rod member and the resin member that become the connecting portion is larger than before and after. In Cited Document 1, since an inclined joint portion is provided on the tip side leading to the joint portion, a smooth hanging curve is obtained from the small-diameter housing to the insertion opening end of the large-diameter housing. However, it has a structure in which stress tends to concentrate at the boundary with the hollow portion of the large-diameter frame following the solid joint. For this reason, the connection from the joint portion to the large-diameter frame is not a continuous continuous curve.
そこで本発明は、少なくとも接合部に係る部分が中空構造を有する穂先部を、中空構造又は中実構造の穂持ち部に繋ぐ構造により、高い剛性及びスムーズな掛けカーブを有し、魚信を受けて感度よく撓み、当たりが見分け易い穂先を有する釣竿を提供することを目的とする。 Therefore, the present invention has a structure having a high rigidity and a smooth hanging curve by connecting a tip portion having a hollow structure at least at a portion related to the joint portion to a hollow portion or a solid-structured head holding portion, and receiving fish trust. An object of the present invention is to provide a fishing rod having a tip that is bent with high sensitivity and is easy to distinguish.
上記目的を達成するために、本発明に従う実施形態の穂先竿を有する釣竿は、金属管材料が穂先から直軸状に伸長され、少なくとも竿尻側にストレート状で中空構造の第１の接合箇所を有する穂先部と、繊維強化樹脂材料により形成され、少なくとも穂先側にストレート状で中空構造の第２の接合箇所を有する穂持部と、前記繊維強化樹脂材料により、前記第１、第２の接合箇所のそれぞれの内径に隙間なく嵌入される外径を有する中空構造の円筒形状又は中実構造の円柱形状に形成され、前記第１の接合箇所と前記第２の接合箇所に両端を嵌入させて接合する繋ぎ部と、で構成される。 In order to achieve the above object, a fishing rod having a tip rod according to an embodiment of the present invention has a metal tube material extending straight from the tip in a straight axis shape, and at least a first joint portion having a hollow structure that is straight on the buttock side. A head part having a second joint location that is straight and has a hollow structure on the tip side, and the fiber reinforced resin material. It is formed in a hollow cylindrical shape or a solid cylindrical shape having an outer diameter that fits in the respective inner diameters of the joints without gaps, and both ends are fitted into the first joint and the second joint. And a joining portion to be joined.
本発明によれば、少なくとも接合部に係る部分が中空構造を有する穂先部を、中空構造又は中実構造の穂持ち部に繋ぐ構造により、高い剛性及びスムーズな掛けカーブを有し、魚信を受けて感度よく撓み、当たりが見分け易い穂先を有する釣竿を提供することができる。 According to the present invention, at least the portion related to the joint has a hollow structure with a tip part having a hollow structure or a solid structure, and has a high rigidity and a smooth hanging curve. It is possible to provide a fishing rod having a tip that can be easily received and flexed with high sensitivity.
以下、図面を参照して本発明の実施形態について説明する。
［第１の実施形態］
図１は、第１の実施形態に係る釣竿の穂先竿の概念的な構成例を示す図である。以下、各実施形態の穂先竿は、複数に分割されて並継式等により継合して一本竿となる継竿、又は延べ竿、所謂ワンピース竿又は、振出竿の何れにも同等に適用することができる。また、以下の説明の中で、竿のある位置において、径が細い竿先側を穂先側又は先端側と称し、径が太い竿尻側を竿元側又は後端側と称している。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[First Embodiment]
FIG. 1 is a diagram illustrating a conceptual configuration example of a tip of a fishing rod according to the first embodiment. Hereinafter, the head kite of each embodiment is equally applied to any of the joints that are divided into a plurality of pieces and joined together by a side-by-side type etc. to become a single kite, or a total kite, a so-called one-piece kite, or a swing kite can do. Further, in the following description, at the position where the heel is present, the heel side with a small diameter is referred to as the tip side or the tip side, and the heel end side with a large diameter is referred to as the heel side or the rear end side.
図１に示すように、釣竿１は、穂先竿（１番節）４と、２番竿（２番節）５以降に竿元まで複数の継竿（図示せず）が継がれた構成例である。穂先竿４は、竿先となる金属製材料で形成される穂先部２と、樹脂材料から形成される穂持部３が接合されて一体的に形成される。 As shown in FIG. 1, the fishing rod 1 has a configuration example in which a plurality of joints (not shown) are connected to the base after the head rod (first node) 4 and the second rod (second node) 5. It is. The tip 4 is integrally formed by joining the tip 2 formed of a metal material to be the tip and the tip 3 formed of a resin material.
本実施形態の穂先部２は、金属管材料にスエージング加工を用いて先細りテーパー加工により、穂先から直軸状に伸長させて、先端から竿径が拡径化するテーパー状の中空構造（所謂、チューブラー）に形成されている。穂先部２は、金属材料として、例えば、Ｎｉ−Ｔｉ系合金、Ｎｉ−Ｔｉ−Ｆｅ系合金、Ｎｉ−Ｔｉ−Ｃｕ系合金、βチタン合金（β相：体心立方晶）又は、Ｎｉ−Ｔｉ−Ｃｒ系合金等の材料を用いて、３％以上、好ましくは、５〜８％の弾性伸び（伸度）を有する合成金属が好適する。この例では、穂先部２は、少なくとも竿元側が中空構造（パイプ構造）で開口するように形成される。 The tip portion 2 of the present embodiment has a tapered hollow structure (so-called so-called tapering process) in which a metal tube material is tapered by tapering using a swaging process so that the diameter of the tip extends from the tip to a straight axis. , Tubular). The tip 2 is made of, for example, a Ni—Ti alloy, a Ni—Ti—Fe alloy, a Ni—Ti—Cu alloy, a β titanium alloy (β phase: body-centered cubic), or Ni—Ti as a metal material. A synthetic metal having an elastic elongation (elongation) of 3% or more, preferably 5 to 8%, using a material such as a Cr-based alloy is suitable. In this example, the tip portion 2 is formed so that at least the heel side opens with a hollow structure (pipe structure).
穂持部３は、カーボン等の強化繊維に樹脂を含浸した繊維強化樹脂シート、所謂プリプレグを巻回して、中空構造で竿尻側に向かい竿径が拡径化するテーパー状に形成される。 このシートの巻回は、シートの繊維の巻き付け方向によって剛性や曲がりの特性が異なっている。一般的な繊維方向は、釣竿の長手方向（直軸方向）に対して、平行又は直交する方向となるように巻き付けられている。さらに、交差方向、例えば、釣竿の長手方向（直軸方向）に対して、±４５度の傾きを持つ、２方向の繊維方向を追加することにより、竿のねじれ防止、剛性や掛けカーブの特性を変えることができる。また、穂先部２と接合する穂持部３の先端には、穂先部２の開口端に内嵌される繋ぎ部３ａが設けられている。 The panicle holding part 3 is formed in a taper shape in which a fiber reinforced resin sheet in which a reinforced fiber such as carbon is impregnated with a resin, a so-called prepreg is wound, and a hollow structure is formed so that the heel diameter increases toward the buttock side. The winding of the sheet differs in rigidity and bending characteristics depending on the winding direction of the fiber of the sheet. The general fiber direction is wound so as to be parallel or orthogonal to the longitudinal direction (straight axis direction) of the fishing rod. Furthermore, by adding two fiber directions with an inclination of ± 45 degrees with respect to the crossing direction, for example, the longitudinal direction (straight axis direction) of the fishing rod, the twisting prevention of the rod and the characteristics of the rigidity and the hanging curve Can be changed. Further, a connecting portion 3 a that is fitted into the opening end of the tip portion 2 is provided at the tip of the tip portion 3 that is joined to the tip portion 2.
この繋ぎ部３ａは、中空な円筒形状、中空な円錐台形状、中実な円柱形状、及び中実な円錐台形状の何れかである。繋ぎ部３ａは、穂先部２に嵌入されて接着剤等を用いて固定される。以下の説明において、繋ぎ部又は繋ぎ部材は、共に接着等を用いて接合固定される部位を示唆し、継合部又は継合部材は、共に着脱自在に嵌合する部位を示唆する。 The connecting portion 3a has any one of a hollow cylindrical shape, a hollow frustum shape, a solid columnar shape, and a solid frustum shape. The connecting portion 3a is fitted into the tip portion 2 and fixed using an adhesive or the like. In the following description, the connecting portion or the connecting member suggests a portion that is bonded and fixed together using adhesion or the like, and the joining portion or the joining member suggests a portion that is detachably fitted together.
本実施形態の穂持部３は、繊維強化樹脂材からなる中空構造を例としているが、内部に同等又は異なる樹脂材料が充填されている中実構造であってもよい。また、穂持部３は、穂先部２と同様に、金属管材料を用いて同じ加工方法を用いて、中空構造又は中実構造で形成することも可能である。穂先部２と穂持部３を共に金属材料で形成する場合には、同じ金属材料だけではなく、異なる特性を持つ金属を組み合わせることで所望する曲がり具合と剛性とを設定することができる。例えば、穂先部２に対して、超弾性効果としなやかな曲がり具合を所望する場合、Ｎｉ−Ｔｉ系合金を採用し、穂持部３には、軽量化を考慮して、βチタン合金を採用する等、種々の組み合わせを実施することができる。
また、釣糸ガイドを設ける仕様の釣竿であれば、この接合箇所にガイドのフット部が掛かるように配置して、フット部を固定するために用いられる巻糸や樹脂材料を接合箇所の補強に利用することも可能である。
Although the ear holding part 3 of the present embodiment has a hollow structure made of a fiber reinforced resin material as an example, it may be a solid structure filled with an equivalent or different resin material. Further, similarly to the tip part 2, the head holding part 3 can be formed in a hollow structure or a solid structure by using the same processing method using a metal tube material. When both the tip part 2 and the head holding part 3 are formed of a metal material, a desired bending condition and rigidity can be set by combining not only the same metal material but also metals having different characteristics. For example, if you want a super elastic effect and a flexible bend for the tip part 2, Ni-Ti alloy is used, and a β-titanium alloy is used for the head holding part 3 to reduce weight. For example, various combinations can be implemented.
Also, if the fishing rod is designed to have a fishing line guide, it is arranged so that the foot part of the guide hangs on this joint part, and the wound line or resin material used to fix the foot part is used to reinforce the joint part. It is also possible to do.
尚、本実施形態の穂先部２は、中空構造を例として説明したが、接合部又は接合箇所が少なくとも中空構造であれば、穂先側においては、中空構造内に充填物、例えば樹脂部材を溶解して密に埋め込んだ中実構造として強度を上げてもよい。
さらに、後続する２番竿５に着脱可能に継合するために、穂持部３の竿元側には、ストレート状の円柱形状（中実）又は筒形状（中空）に形成された継合部３ｂが延出するように設けられている。この継合部３ｂは、後続する２番竿５の接合開口端に着脱可能に嵌入される。
In addition, although the tip part 2 of this embodiment demonstrated as an example the hollow structure, if a junction part or a junction location is at least a hollow structure, in a tip side, a filler, for example, a resin member will be melt | dissolved in a hollow structure. Then, the strength may be increased as a solid structure closely embedded.
Furthermore, in order to detachably attach to the succeeding second basket 5, a joint formed in a straight columnar shape (solid) or a cylindrical shape (hollow) on the heel side of the head holding part 3 The part 3b is provided so as to extend. This joint part 3b is detachably fitted into the joint opening end of the subsequent second cage 5.
以上説明したように本実施形態によれば、穂先竿における金属材料からなる中空構造の穂先部は、繊維強化樹脂からなる穂先部に比べると、高い剛性を有し、且つ高い感度を維持している。さらに同径であれば、中実構造の穂先部に比べて軽量化を実現することができる。中空構造の穂先竿は、金属材料の選択及び厚み（竿の肉厚）を選択することで、剛性、掛けカーブ（魚が掛かった時の竿の曲がり形状）及び竿杆の径を設計仕様に合わせて比較的自由に設計できる。 As described above, according to the present embodiment, the tip portion of the hollow structure made of the metal material in the tip tip has high rigidity and maintains high sensitivity compared to the tip portion made of the fiber reinforced resin. Yes. Furthermore, if it is the same diameter, weight reduction is realizable compared with the tip part of a solid structure. For the hollow structure, the selection of the metal material and the thickness (the thickness of the salmon) enables the design specifications of the rigidity, the hoop curve (the bent shape of the salmon when the fish is caught) and the diameter of the salmon. It can be designed relatively freely.
さらに、本実施形態では、穂先部の開口内部に穂持部３の繋ぎ部を内嵌する構造であるため、穂持部３の繋ぎ部（中空構造）を穂先部に被せる外嵌構造に対して、接合部の剛性を低く抑えることができ、急な曲率変化がない掛けカーブも実現される。従って、手に伝わる感度だけではなく、釣り人に対して見た目でも負荷の大きさ（釣れた魚の大きさ）が分かる。 Furthermore, in this embodiment, since it is the structure which fits the connection part of the head holding part 3 inside the opening of a tip part, with respect to the external fitting structure which covers the connection part (hollow structure) of the head holding part 3 on a tip part As a result, the rigidity of the joint can be kept low, and a curve with no sudden curvature change can be realized. Therefore, not only the sensitivity transmitted to the hand, but also the magnitude of the load (the size of the fish caught) can be seen from the angle of the angler.
［第２の実施形態］
次に、第２の実施形態について説明する。図２は、第２の実施形態に係る釣竿の穂先竿の接合部の構成例を示す図である。本実施形態は、穂先竿の穂先部と穂持部とがストレート状の繋ぎ部材を用いた接合、所謂インロー式の接合構造を有している。
[Second Embodiment]
Next, a second embodiment will be described. FIG. 2 is a diagram illustrating a configuration example of a joint portion of the tip of a fishing rod according to the second embodiment. This embodiment has a so-called inlay-type joining structure in which the tip part and the head holding part of the tip heel use a straight connecting member.
本実施形態の穂先部１１は、第１の実施形態と同等の金属材料を用いて、中空構造又は、少なくとも接合部近傍が中空構造に形成されている。穂先部１１は、穂先側に先細りとなるテーパー状を成し、インロー部材１３を嵌入する中空構造の接合箇所１１ａのみがストレート状に形成されている。また、穂持部１２は、カーボン等の強化繊維に樹脂を含浸した繊維強化樹脂シート、所謂プリプレグを巻回して、中空構造で竿尻側に向かい竿径が拡径化するテーパー状に形成される。穂持部１２においても、インロー部材１３を嵌入する中空構造の接合箇所１２ａのみがストレート状に形成されている。 The tip portion 11 of the present embodiment is formed in a hollow structure or at least in the vicinity of the joint portion using a metal material equivalent to that in the first embodiment. The tip portion 11 has a tapered shape that tapers on the tip side, and only a hollow joint portion 11 a into which the spigot member 13 is fitted is formed in a straight shape. The panicle holding part 12 is formed in a taper shape in which a fiber reinforced resin sheet obtained by impregnating a resin such as carbon and a so-called prepreg is wound and a hollow structure is formed so that the heel diameter increases toward the buttock side. The Also in the panicle holding part 12, only the joining part 12a of the hollow structure which inserts the spigot member 13 is formed in straight shape.
インロー部材１３は、穂持部１２と同等な樹脂材料を用いて、各接合箇所の内径に隙間なく嵌入される外径を有する直管の円筒形状（中空パイプ：中空構造）、又は、円柱形状（中実構造）に形成される。また、インロー部材１３は、樹脂材料に限定されるものはなく、穂先部１１と同等な金属材料を用いて、中空構造に形成してもよい。また、その剛性については、金属の種類の選択と厚みを調整することで調整可能である。 The spigot member 13 is made of a resin material equivalent to the head holding portion 12 and has a straight cylindrical shape (hollow pipe: hollow structure) having an outer diameter that is fitted into the inner diameter of each joint portion without a gap, or a columnar shape. (Solid structure). The spigot member 13 is not limited to the resin material, and may be formed in a hollow structure using a metal material equivalent to the tip portion 11. The rigidity can be adjusted by selecting the type of metal and adjusting the thickness.
通常は、インロー部材１３が嵌入する穂先部１１において、インロー部材１３との重なり部分と非重なり部分との境において、剛性が段差的に異なっている。穂持部１２においてもインロー部材１３との重なり部分の境は同様である。これに対して、インロー部材１３を中空構造にする、インロー部材１３の剛性を僅かに下げることにより、これらの境部分の剛性の段差の立ち上がり又は立ち下がりの一部を傾斜させて、剛性の変化幅を小さくさせることができる。即ち、穂先部１１から穂持部１２への剛性の変化を少なくし、掛けカーブ特性の段差的な変化を緩和させることができ、感度の伝達がより改善される。 Usually, in the tip part 11 in which the spigot member 13 is inserted, the rigidity differs stepwise at the boundary between the overlapping part and the non-overlapping part with the spigot member 13. The boundary of the overlapping part with the spigot member 13 is the same in the head holding part 12 as well. On the other hand, by changing the rigidity of the inlay member 13 by slightly lowering the rigidity of the inlay member 13 by slightly lowering the rigidity of the inlay member 13, the rise or fall of the rigidity step of these boundary portions is inclined. The width can be reduced. That is, the change in rigidity from the head part 11 to the head holding part 12 can be reduced, the step-like change in the curve characteristic can be reduced, and the transmission of sensitivity is further improved.
インロー部材１３の長さは、少なくとも嵌入される各接合箇所１１ａ，１２ａを合わせた長さを有している。図２に示すインロー部材１３は、この合わせた長さよりやや長く形成され、接合時に隙間ができるように形成されている。この隙間は、必ずしも必要ではないが、接合代として利用する又は、少なくとも穂先部１１を形成する金属における熱膨張を考慮した距離となっている。尚、竿の塗装時に、この隙間を接着剤の充填箇所として利用する。例えば、エポキシ樹脂等で埋めて、接合箇所１１ａ，１２ａの間を平坦に繋ぐように加工してもよい。また、隙間を埋める部材は、固化した状態であっても、弾性を有する部材が好適する。 The length of the spigot member 13 has a length obtained by combining at least the joint portions 11a and 12a to be inserted. The spigot member 13 shown in FIG. 2 is formed so as to be slightly longer than the combined length, and is formed so that a gap is formed at the time of joining. This gap is not necessarily required, but is used as a joining margin or at least a distance considering thermal expansion in the metal forming the tip portion 11. Note that this gap is used as a filling point of the adhesive when painting the candy. For example, it may be filled with an epoxy resin or the like and processed so as to connect the joint portions 11a and 12a flatly. In addition, the member that fills the gap is preferably a member having elasticity even in a solidified state.
さらに、インロー部材１３は、１種類の材料で形成されるだけではなく、例えば、金属材料の外層と樹脂材料の内層とによる中空な積層構造であってもよい。反対に、樹脂材料の外層と金属材料の内層とによる中空な積層構造であってもよい。さらには、金属材料からなる筒形状の外層と、筒形状内に樹脂材料を充填した中実構造でもよい。 Furthermore, the spigot member 13 is not only formed of one type of material, but may be a hollow laminated structure including, for example, an outer layer of a metal material and an inner layer of a resin material. On the contrary, a hollow laminated structure with an outer layer of a resin material and an inner layer of a metal material may be used. Further, a cylindrical outer layer made of a metal material and a solid structure in which a resin material is filled in the cylindrical shape may be used.
本実施形態によれば、穂先部と穂持部との内部側にインロー部材を介在させて接合させることにより、接合箇所の外径を大きくすることなく、スムーズに接合させることができる。また接合部は、ストレート状となっているため、例えば、釣糸ガイドを取り付ける釣竿であれば、このストレート部分にガイドフットを配置することにより、釣糸ガイドをより安定させて固定することができる。また、ガイドフット部分が隙間部分を跨いで配置されることにより、穂先部と穂持部との接合箇所をより強固に接合させることができる。 According to this embodiment, it can join smoothly, without enlarging the outer diameter of a joining location by interposing a spigot member in the inner side of a tip part and a head holding part. Further, since the joining portion has a straight shape, for example, if a fishing rod to which a fishing line guide is attached, the fishing line guide can be more stably fixed by disposing a guide foot on the straight portion. Further, the guide foot portion is arranged across the gap portion, so that the joint portion between the tip portion and the head holding portion can be more firmly joined.
［第３の実施形態］
次に、第３の実施形態について説明する。図３は、第３の実施形態に係る釣竿の穂先竿の接合部の構成例を示す図である。本実施形態は、穂先竿の穂先部１１の竿元側の開口端に穂持部１４の先端側に設けられた繋ぎ部１５を嵌入する逆並継式の接合構造を有している。
本実施形態の穂先部１１は、第１の実施形態と同等な金属材料を用いて、穂先から直軸状に伸長された中空構造又は、少なくとも接合部近傍が中空構造に形成され、穂先側に先細りとなるテーパー状を成し、繋ぎ部１５が嵌入される開口端を有する中空構造の接合箇所１１ａのみがストレート状に形成されている。
[Third Embodiment]
Next, a third embodiment will be described. FIG. 3 is a diagram illustrating a configuration example of a joint portion of a tip of a fishing rod according to a third embodiment. The present embodiment has a reverse-joining type joint structure in which a connecting portion 15 provided on the distal end side of the head holding portion 14 is fitted into the opening end of the tip portion 11 of the tip portion.
The tip 11 of the present embodiment is made of a metal material equivalent to that of the first embodiment, and has a hollow structure that extends straight from the tip, or at least the vicinity of the joint is formed into a hollow structure, on the tip side. Only a hollow joint portion 11a having a tapered shape and having an open end into which the connecting portion 15 is inserted is formed in a straight shape.
また、穂持部１４は、カーボン等の強化繊維に樹脂を含浸した繊維強化樹脂シートを巻回して、中実構造のテーパー状に形成される。
穂持部１４の先端には、接合箇所１１ａの内径に隙間なく嵌入される外径を有する直管の円筒形状（中空パイプ：中空構造）又は、円柱形状（中実構造）の繋ぎ部１５が設けられている。また、穂持部１４は、中空構造に形成してもよい。穂持部１４の先端近傍は、接合箇所１１ａと同様な長さをストレート状に形成してもよい。
In addition, the ear holding part 14 is formed in a taper shape having a solid structure by winding a fiber reinforced resin sheet obtained by impregnating a resin in a reinforcing fiber such as carbon.
At the tip of the panicle holding portion 14, there is a connecting portion 15 having a straight cylindrical shape (hollow pipe: hollow structure) or a columnar shape (solid structure) having an outer diameter that is fitted into the inner diameter of the joint portion 11 a without a gap. Is provided. Moreover, you may form the panicle holding part 14 in a hollow structure. In the vicinity of the tip of the panicle holding portion 14, a length similar to that of the joint portion 11a may be formed in a straight shape.
繋ぎ部１５の長さは、少なくとも接合箇所１１ａの長さ（嵌入される長さ）を有している。図３に示す繋ぎ部１５は、この長さよりやや長く形成され、接合時に隙間ができるように形成されている。この隙間は、必ずしも必要ではないが、設けるならば、少なくとも穂先部１１を形成する金属における熱膨張を考慮した距離以上である。また、前述した第１の実施形態と同様に、隙間を例えば、エポキシ樹脂等で埋めて、接合箇所１１ａと穂持部１４との間を平坦に繋ぐように加工してもよい。また、隙間を埋める部材は、固化した状態であっても、弾性を有する部材が好適する。 The length of the connection part 15 has at least the length (inserted length) of the joining location 11a. The connecting portion 15 shown in FIG. 3 is formed to be slightly longer than this length, and is formed so that a gap is formed at the time of joining. This gap is not always necessary, but if provided, it is at least a distance considering the thermal expansion of the metal forming the tip portion 11. Further, similarly to the first embodiment described above, the gap may be filled with, for example, an epoxy resin or the like, and processing may be performed so as to connect the joint portion 11a and the head holding portion 14 flatly. In addition, the member that fills the gap is preferably a member having elasticity even in a solidified state.
本実施形態によれば、穂先部の中空構造の接続箇所に、穂持部の先端の設けた繋ぎ部を嵌入して接合させることにより、接合箇所の外径を大きくすることなく、スムーズに接合させることができる。また、ガイドフット部分が穂先部１１と穂持部１４とで隙間部分を跨いで、配置することにより、穂先部と穂持部との接合箇所をより強固に接合させることができる。 According to the present embodiment, the joint portion provided at the tip of the head holding portion is fitted and joined to the connection portion of the hollow structure of the tip portion, thereby smoothly joining without increasing the outer diameter of the joint portion. Can be made. Moreover, the joint part of a head part and a head holding part can be joined more firmly by arrange | positioning a guide foot part straddling a clearance gap part by the head part 11 and the head holding part 14. FIG.
［第４の実施形態］
次に、第４の実施形態について説明する。図４は、第４の実施形態に係る釣竿の穂先竿の接合部の構成例を示す図である。本実施形態は、穂先竿の穂先部２１の竿元側の竿径が段的に拡径化（大径化）された接合箇所２１ａの開口端に、穂持部２２の先端側に設けられた繋ぎ部２２ａを嵌入する逆並継式の接合部を有している。
[Fourth Embodiment]
Next, a fourth embodiment will be described. FIG. 4 is a diagram illustrating a configuration example of a joint portion of a fishing rod tip rod according to the fourth embodiment. The present embodiment is provided at the opening end of the joint portion 21 a where the heel diameter of the heel portion 21 of the stylus portion is increased (increased) stepwise, on the distal end side of the stylus portion 22. In addition, the joint portion 22a has an anti-parallel joint portion into which the joint portion 22a is inserted.
本実施形態の穂先部２１は、第１の実施形態と同等な金属材料を用いて、穂先から直軸状に伸長する中空構造又は、少なくとも接合部近傍が中空構造に形成される。その形状は、穂先側からテーパー状に竿径が広がり延伸する竿体が、接合箇所２１ａの手前で段的に繋ぎ部２２ａが嵌入できる竿径まで、竿体がテーパー状に拡径化（拡径部２１ｂ）し、さらに接合箇所２１ａがストレート状に伸びて開口端が設けられている。 The tip 21 of the present embodiment is made of a metal material equivalent to that of the first embodiment, and has a hollow structure extending straight from the tip, or at least the vicinity of the joint is formed in a hollow structure. The shape of the rod body is tapered from the tip side, and the rod body expands in a taper shape until the rod body in which the ridge diameter extends and extends can be inserted into the joint portion 22a stepwise in front of the joint portion 21a. The diameter portion 21b), and the joining portion 21a extends in a straight shape to provide an open end.
本実施形態において、接合箇所２１ａ及び拡径部２１ｂは、穂先部２１側から延伸する竿体の厚さ（肉厚）と同じ厚さが維持されて形成される、又は、竿体の厚さを薄くして形成される。これは、竿径を拡径化すると、竿体自体の剛性が大きくなるため、厚さを薄くしても、拡径化する前の竿体の剛性を維持することができる。これらの接合箇所２１ａ、拡径部２１ｂ及び繋ぎ部２２ａのそれぞれの厚さを調整することにより、接合部の剛性を調整することができる。 In this embodiment, the joining location 21a and the enlarged diameter portion 21b are formed while maintaining the same thickness as the thickness (wall thickness) of the casing extending from the tip 21 side, or the thickness of the casing. It is made thin. This is because the rigidity of the casing itself increases when the diameter of the casing is increased, so that the rigidity of the casing before the diameter expansion can be maintained even if the thickness is reduced. By adjusting the thickness of each of the joining portion 21a, the enlarged diameter portion 21b, and the connecting portion 22a, the rigidity of the joining portion can be adjusted.
また、穂持部２２は、カーボン等の強化繊維に樹脂を含浸した繊維強化樹脂シートを巻回した中空構造で、繋ぎ部２２ａがストレート状に形成され、以降竿尻側に向かいテーパー状に竿径が広がるように形成される。尚、図４には、中空構造の穂持部２２を例として示しているが、繋ぎ部２２ａを含めて中実構造であってもよい。 Further, the ear holding part 22 is a hollow structure in which a fiber reinforced resin sheet in which a resin such as carbon is impregnated with a resin is wound, and a connecting part 22a is formed in a straight shape. It is formed so that the diameter increases. In addition, although the hollow holding part 22 is shown as an example in FIG. 4, it may be a solid structure including the connecting part 22a.
以上説明したように本実施形態によれば、穂先部２１を形成する金属材料には、繊維強化樹脂シートのように剛性には方向性がなく、穂先側からテーパー状に延伸する竿体の竿径を拡径化した接合箇所２１ａ及び拡径部２１ｂを一定の厚みで形成することにより、接合部の前後で大きく剛性が変化しない穂先竿を実現することができる。さらに、接合部を構成する接合箇所２１ａ、拡径部２１ｂ及び穂持部３４の厚みや重なり量（嵌入の長さ）を適切に設定することにより剛性が調整でき、所望する穂先竿の撓み具合を設計することができる。 As described above, according to the present embodiment, the metal material forming the tip portion 21 has no directionality in rigidity as in the fiber-reinforced resin sheet, and the collar of the casing extending in a tapered shape from the tip side. By forming the joint portion 21a and the diameter-expanded portion 21b having an enlarged diameter with a constant thickness, it is possible to realize a spikelet that does not significantly change its rigidity before and after the joint portion. Furthermore, the rigidity can be adjusted by appropriately setting the thickness and the overlapping amount (insertion length) of the joining portion 21a, the enlarged diameter portion 21b, and the head holding portion 34 constituting the joint portion, and the desired degree of deflection of the tip portion Can be designed.
［第５の実施形態］
次に、第５の実施形態について説明する。図５は、第５の実施形態に係る釣竿の穂先竿の接合部の構成例を示す図である。本実施形態は、穂先竿の穂先部３１の竿元側の縮径化（径が小さくなる）した繋ぎ部３１ａを、穂持部３２の先端側に設けられた接合箇所３２ａの開口端３２ｂから嵌入する並継式の接合部を有している。
[Fifth Embodiment]
Next, a fifth embodiment will be described. FIG. 5 is a diagram illustrating a configuration example of the joint portion of the tip of the fishing rod according to the fifth embodiment. In the present embodiment, the diameter 31 of the tip portion 31 of the tip portion of the tip portion is reduced (the diameter is reduced) from the opening end 32 b of the joint portion 32 a provided on the tip side of the head holding portion 32. It has a parallel-type joint to be fitted.
本実施形態の穂先部３１は、第１の実施形態と同等な金属材料を用いて、穂先から直軸状に伸長される中空構造又は、少なくとも接合部近傍及び繋ぎ部３１ａが中空構造に形成される。その形状は、穂先側から竿尻側に向かいテーパー状に竿径が広がり延伸する竿体が、接合部の手前で竿径がテーパー状に縮径化（縮径部３１ｂ）して、ストレート状の繋ぎ部３１ａに繋がっている。 The tip 31 of the present embodiment uses a metal material equivalent to that of the first embodiment, and has a hollow structure that extends straight from the tip, or at least the vicinity of the joint and the connecting portion 31a are formed in a hollow structure. The Its shape is such that the heel diameter expands in a taper shape from the tip side toward the buttock side and expands, and the heel diameter is reduced to a taper shape in front of the joint portion (reduced diameter portion 31b) to form a straight shape. It is connected to the connecting part 31a.
また、穂持部３２は、カーボン等の強化繊維に樹脂を含浸した繊維強化樹脂シートを巻回した中空構造であり、繋ぎ部３１ａが嵌入される接合箇所３２ａは、ストレート状に形成され、竿尻側に向かいテーパー状に竿径が広がるように形成されている。図５に示すように、接合箇所３２ａの開口端３２ｂは、縮径部３１ｂの傾斜（テーパー面）に合うように、逆傾斜の斜面に形成され、穂持部３２に繋ぎ部３１ａが嵌入された場合には、穂先部３１と穂持部３２とが段差なくスムーズに繋がる。尚、図５には、中空構造の穂持部３２を例として示しているが、竿の途中から樹脂部材等により竿内部が充填された中実構造であってもよい。 Further, the ear portion 32 has a hollow structure in which a fiber reinforced resin sheet obtained by impregnating a reinforcing fiber such as carbon with a resin is wound, and a joint portion 32a into which the joint portion 31a is inserted is formed in a straight shape. It is formed so that the groin spreads in a tapered shape toward the bottom side. As shown in FIG. 5, the opening end 32 b of the joint portion 32 a is formed on an inclined surface having a reverse inclination so as to match the inclination (tapered surface) of the reduced diameter portion 31 b, and the connecting portion 31 a is fitted into the head holding portion 32. In this case, the head part 31 and the head holding part 32 are smoothly connected without any step. In addition, in FIG. 5, although the hollow holding | maintenance part 32 of a hollow structure is shown as an example, the solid structure with which the inside of the collar was filled with the resin member etc. from the middle of the collar may be sufficient.
本実施形態において、穂先部３１及び繋ぎ部３１ａの竿体は、同じ厚さに維持されて形成される、又は、繋ぎ部３１ａ及び縮径部３１ｂの厚さを厚くして形成される。これは、竿径を縮径化、即ち細くすると、竿体自体の剛性が小さくなるため、厚さを維持する又は厚くすることで、繋ぎ部３１ａの剛性を穂先部３１の剛性と同じように維持することができる。勿論、これらの縮径部３１ｂ及び繋ぎ部３１ａと、接合箇所３２ａのそれぞれの厚さを調整することにより、接合部の剛性を調整することができる。これにより、それぞれ接合部と、接合部に繋がる穂先部３１及び穂持部３２と剛性の変化を小さくすることができる。 In the present embodiment, the body of the tip portion 31 and the connecting portion 31a is formed while being maintained at the same thickness, or is formed by increasing the thickness of the connecting portion 31a and the reduced diameter portion 31b. This is because, when the diameter of the heel is reduced, that is, the rigidity of the skeleton is reduced, the rigidity of the connecting portion 31a is made the same as the rigidity of the tip 31 by maintaining or increasing the thickness. Can be maintained. Of course, the rigidity of the joint can be adjusted by adjusting the respective thicknesses of the reduced diameter portion 31b and the connecting portion 31a and the joint location 32a. Thereby, a joint part and the tip part 31 and the head holding part 32 which are connected to a junction part, and the change of rigidity can be made small.
以上説明したように本実施形態によれば、穂先部３１の繋ぎ部３１ａを穂持部３２に嵌入した接続部であり、繋ぎ部３１ａと接合箇所３２ａが傾斜面で当接しているため、竿体に働く剛性が分散されて、曲率の大きな変化が抑制され、所望する穂先竿の撓み具合を得ることができる。 As described above, according to the present embodiment, the connecting portion 31a of the tip portion 31 is a connecting portion inserted into the holding portion 32, and the connecting portion 31a and the joining portion 32a are in contact with each other at the inclined surface. Rigidity acting on the body is dispersed, a large change in curvature is suppressed, and the desired deflection of the tip can be obtained.
［第６の実施形態］
次に、第６の実施形態について説明する。図６は、第６の実施形態に係る釣竿の穂先竿の接合部の構成例を示す図である。本実施形態は、穂先竿の穂先部４１の途中から中空構造となった接合箇所４１ａに、穂持部４２の先端側に設けられた繋ぎ部４２ａが嵌入する逆並継式の接合部を有している。
[Sixth Embodiment]
Next, a sixth embodiment will be described. FIG. 6 is a diagram illustrating a configuration example of a joint portion of the tip of a fishing rod according to the sixth embodiment. In the present embodiment, the joint portion 41a having a hollow structure from the middle of the tip portion 41 of the tip portion has a reverse joint type joint portion into which the connecting portion 42a provided on the tip side of the head holding portion 42 is fitted. doing.
本実施形態の穂先部４１は、第１の実施形態と同等な筒形状の金属材料を用いて、スエージング加工を利用した先細りテーパー加工により、穂先から直軸状に伸長させて、先端から竿径が拡径化するテーパー状に形成されている。先細りテーパー加工における押しの加減によっては、中空構造４１ｃから細い先端部分のパイプ形状を潰して、中実構造４１ｂとなるように形成することできる。図６に示すように、穂先部４１は、少なくとも接合部近傍が中空構造４１ｃに形成される。 The tip 41 of the present embodiment uses a cylindrical metal material equivalent to that of the first embodiment, and extends from the tip to a straight axis by a tapered taper process using swaging. It is formed in a tapered shape whose diameter is increased. Depending on the amount of pressing in the taper taper processing, the pipe shape of the thin tip portion can be crushed from the hollow structure 41c to form a solid structure 41b. As shown in FIG. 6, the tip part 41 is formed in the hollow structure 41c at least near the joint.
穂持部４２は、前述した繊維強化樹脂シートを巻回して、中実構造で竿尻側に向かい竿径が拡径化するテーパー状に形成される。穂持部４２の先端には、中空構造４１ｃに嵌入するための円柱形状（中実構造）に形成される繋ぎ部４２ａが設けられている。繋ぎ部４２ａは、穂先部２に接合箇所４１ａに嵌入されて接着剤等を用いて固定される。
以上説明したように本実施形態によれば、接合部が中空構造の接合箇所４１ａに穂持部４２の繋ぎ部が嵌入された接合であるため、剛性の変化を小さくすることができ、竿体の曲率の大きな変化が抑制され、所望する穂先竿の撓み具合を得ることができる。
The panicle holding portion 42 is formed in a taper shape in which the above-described fiber reinforced resin sheet is wound and the heel diameter is increased toward the buttock side in a solid structure. A connecting portion 42a formed in a columnar shape (solid structure) for fitting into the hollow structure 41c is provided at the tip of the panicle holding portion 42. The joint portion 42a is fitted into the joint portion 41a in the tip portion 2 and fixed using an adhesive or the like.
As described above, according to the present embodiment, since the joint portion is a joint in which the joint portion of the head support portion 42 is inserted into the joint portion 41a of the hollow structure, the change in rigidity can be reduced, and the housing A large change in the curvature of the head is suppressed, and the desired deflection of the tip can be obtained.
１…釣竿、２，１１…穂先部、３，１２…穂持部、３ａ…繋ぎ部、４…穂先竿（１番節）、５…２番竿（２番節）、１１ａ，１２ａ…接合箇所、１２ａ…接合箇所、１３…インロー部材。 DESCRIPTION OF SYMBOLS 1 ... Fishing rod, 2,11 ... Tip part, 3,12 ... Ear holding part, 3a ... Connecting part, 4 ... Ear tip (1st clause), 5 ... Second rod (2nd clause), 11a, 12a ... Joining Location, 12a ... joining location, 13 ... inlay member.
Claims (6)
繊維強化樹脂材料により形成され、少なくとも穂先側にストレート状で中空構造の第２の接合箇所を有する穂持部と、
前記繊維強化樹脂材料により、前記第１、第２の接合箇所のそれぞれの内径に隙間なく嵌入される外径を有する中空構造の円筒形状又は中実構造の円柱形状に形成され、前記第１の接合箇所と前記第２の接合箇所に両端を嵌入させて接合する繋ぎ部と、
で構成される穂先竿を有する釣竿。 A metal tube material is elongated straight from the tip, and at the tip end side has a first tip portion having a straight and hollow first structure at the buttock side,
Formed of a fiber reinforced resin material, at least at the tip side and having a second joint portion having a hollow shape and a straight shape;
The fiber reinforced resin material is formed into a hollow cylindrical shape or a solid cylindrical column shape having an outer diameter that fits into the inner diameter of each of the first and second joints without a gap. A joining portion for fitting both ends into the joining location and the second joining location, and joining,
A fishing rod with a point rod composed of
繊維強化樹脂材料により形成され、前記接合箇所内に嵌入可能にストレート状に延伸する中空構造又は中実構造の繋ぎ部を有する穂持部と、を有し、
前記接合箇所は、前記穂先部側から延伸する金属管材料の厚さと同じ厚さで形成されることを特徴とする穂先竿を有する釣竿。 Rod body made of a metal tube material is elongated in a straight axial from tip, the enlarged diameter portion which rod diameter of the rod butt side Ru is enlarged of the ends of the rod butt side of the enlarged diameter portion crow trait like A tip portion having a joint part of a hollow structure extending to
It is formed of a fiber reinforced resin material, and has a hollow part having a hollow structure or a solid structure connecting part that extends straight so as to be fitted into the joint part,
Before Kise' case portion includes a fishing rod having a top rod which is characterized in that a thickness in the same thickness of the metal tube material extending from the tip portion side.
繊維強化樹脂材料により形成され、前記接合箇所内に嵌入可能にストレート状に延伸する中空構造又は中実構造の繋ぎ部を有する穂持部と、を有し、It is formed of a fiber reinforced resin material, and has a hollow part having a hollow structure or a solid structure connecting part that extends straight so as to be fitted into the joint part,
前記接合箇所は、前記穂先部側から延伸する金属管材料の厚さよりも薄い厚さで形成され、且つ竿径が拡径化する前の竿体の剛性を維持することを特徴とする穂先竿を有する釣竿。The joint part is formed with a thickness smaller than the thickness of the metal tube material extending from the tip part side, and maintains the rigidity of the casing before the diameter of the collar is expanded. Fishing rod with
前記穂先部における前記繋ぎ部との重なり箇所と非重なり箇所の剛性の段差的な変化幅及び、前記穂持部における前記繋ぎ部との重なり箇所と非重なり箇所の剛性の段差的な変化幅を小さくして、掛けカーブ特性の段差的な変化を緩和することを特徴とする請求項１に記載の釣竿。 The connecting portion has a cylindrical shape of the hollow structure, and is formed to have a rigidity lower than a rigidity of the first joint portion of the tip portion and a rigidity of the second joint portion of the head holding portion,
The step change width of the rigidity between the overlapping portion and the non-overlapping portion with the joint portion in the tip portion, and the step change width of the rigidity between the overlap portion and the non-overlapping portion with the joint portion in the head holding portion. 2. The fishing rod according to claim 1, wherein the fishing rod is made small to relieve a step-like change in the curve characteristic.
前記中空構造において、
外層を金属材料で形成し、内層を樹脂材料で形成する第１の積層構造、又は、
前記外層を樹脂材料で形成し、前記内層を金属材料で形成する第２の積層構造、
又は、前記中実構造において、
金属材料からなる筒形状の外層及び該外層内を樹脂材料で充填された第３の積層構造の何れか１つの積層構造を有することを特徴とする請求項１に記載の釣竿。 The connecting portion is formed in a stacked structure having a plurality of layers,
In the hollow structure,
A first laminated structure in which the outer layer is formed of a metal material and the inner layer is formed of a resin material, or
A second laminated structure in which the outer layer is formed of a resin material and the inner layer is formed of a metal material;
Or in the solid structure,
2. The fishing rod according to claim 1, wherein the fishing rod has a laminated structure of any one of a cylindrical outer layer made of a metal material and a third laminated structure in which the outer layer is filled with a resin material.
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