JPH09172911A - Tubular body and its production - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tubular body capable of making resistance applied to fishing line due to contact with the tubular body small and smoothly traveling the fishing line to a fishing rod and provide a method for producing the tubular body. SOLUTION: This tubular body 1 is equipped with a main body of the tubular body 1 comprising a fiber-reinforced prepreg obtained by impregnating a synthetic resin into a reinforcing fiber uniformly arranged in a specific direction, a metal layer formed on the inner wall surface of the main body and a hydrophilic region formed on the metal layer. This method for producing the tubular body by winding the fiber-reinforced prepreg obtained by impregnating the synthetic resin into the reinforcing fiber comprises providing a step for placing a substrate having a functional layer 3 exhibiting extremely water repellent property or hydrophilic property on the metal layer on at least either one surface of the fiber-reinforced prepreg and a step for carrying out heat treatment to the fiber-reinforced prepreg having the substrate.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fishing rod, and more particularly to a tubular body used for a fishing rod having a portion which comes into contact with a fishing line and a method for manufacturing the tubular body.

[0002]

2. Description of the Related Art In recent years, a so-called through rod of a type in which a fishing rod body is formed of a tubular body having a hollow portion and a fishing line is passed through the hollow portion has been used. The middle fishing rod has less entanglement of the fishing line with the guide and is excellent in operability of the fishing rod as compared with a normal fishing rod in which a guide for passing the fishing line is provided on the outside of the fishing rod body.

However, in the case of a hollow fishing rod, when the fishing line put in water is wound up, the fishing line brings water droplets to the hollow portion of the fishing rod body, and the water droplets adhere to the inner wall of the fishing rod body. In this way, when the fishing line is inserted into the fishing rod body with the water droplets attached to the inner wall surface of the fishing rod body, the fishing line cannot be smoothly inserted through the fishing rod body due to the resistance of the water droplets attached to the inner wall surface. There is a problem that the operability of is deteriorated.

To solve this problem, Japanese Patent Laid-Open No. 6-205
Japanese Unexamined Patent Application Publication No. 625, Japanese Unexamined Patent Application Publication No. 7-289123, and Japanese Unexamined Patent Application Publication No. 7-289124 disclose a fishing rod in which a portion in contact with a fishing line is surface-treated.

[0005]

However, in the above-mentioned fishing rod, the surface treatment layer provided at the portion in contact with the fishing line is likely to be cracked or peeled off, and its effect is not sufficiently exerted. Therefore, the fishing rod cannot smoothly run the fishing line on the fishing rod, and thus cannot exhibit excellent fishing rod operability.

The present invention has been made in view of the above points, and has a tubular body capable of reducing the resistance applied to a fishing line by coming into contact with the fishing rod and allowing the fishing line to smoothly run on the fishing rod, and a method for manufacturing the tubular body. The purpose is to provide.

[0007]

Means for Solving the Problems A first invention of the present invention is:
A tubular body body made of a fiber reinforced prepreg obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, a metal layer formed on an inner wall surface of the tubular body body, and a hydrophilic layer formed on the metal layer. And a tubular region.

A first aspect of the present invention is a tubular body main body made of a fiber-reinforced prepreg obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, and formed on the inner wall surface of the tubular body main body. And a superhydrophobic layer formed on the inner wall surface of the tubular body.

A second aspect of the present invention is a method for producing a tubular body by winding a fiber reinforced prepreg having two surfaces obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin. A step of placing a base material having a functional layer exhibiting superhydrophobicity or hydrophilicity on a metal layer on at least one surface of the fiber reinforced prepreg, and heating the fiber reinforced prepreg with the base material. A process for producing a tubular body is provided.

[0010]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 shows the first embodiment of the present invention.
2 is a cross-sectional view showing the tubular body of the invention of FIG. 2, and FIG. 2 is an enlarged view showing the inner surface of the tubular body shown in FIG. 1. In the figure, reference numeral 1 denotes a tubular body. A metal layer 2 is formed on the inner surface of the tubular body 1, and a functional layer 3 is formed on the metal layer 2. The metal layer 2 and the functional layer 3 can be formed using the base material 4 as shown in FIG. As the base material 4, for example, a material in which a metal layer 2 and a functional layer 3 are sequentially formed on a substrate 5 can be used.

The metal layer 2 has the functional layer 3 formed thereon.
It is possible to prevent cracking and peeling. That is, the metal layer 2 improves the adhesion between the functional layer 3 and the substrate 5 of the base material 4 or the surface of the tubular body 1, and the expansion and contraction of the functional layer 3 due to heat when the fiber-reinforced prepreg is heated and cured. Deformation can be mitigated, which prevents cracking and peeling. As a result, since the thermal stress or the like is not applied to the functional layer 3, the original effect of the functional layer 3 can be exhibited.

As the material of the metal layer 2 of the base material, copper, copper alloy, aluminum, aluminum alloy, tin, tin alloy, zinc, zinc alloy or the like can be used. As a substrate,
The functional layer 3 may be formed on the metal layer 2,
The metal layer 2 and the functional layer 3 may be sequentially formed on the substrate 5. Further, the form of the base material 4 may be any of a tape form, a sheet form, a film form, etc.
It is preferably in a form that can be wound.

When the substrate 5 is used as the base material 4, synthetic resin such as PET (polyethylene terephthalate), PBT (polybutylene terephthalate) and polyamide can be used as the substrate material. The thickness of this substrate, considering the inner diameter of the tubular body, the flexibility of the rod tube,
It is preferably 4 to 25 μm.

The thickness of the metal layer 2 is 0.
It is preferably from 1 to 10 μm. Further, as a method of forming the metal layer 2 on the substrate 5, a dry plating method such as a vapor deposition method, a sputtering method, an ion plating method, or a wet plating method can be used.

The functional layer 3 of the substrate 4 means a hydrophilic region and a super water repellent layer described later. In the present invention, the hydrophilic property means a property in which water spreads in a thin film shape when wetted with water. Specifically, the hydrophilic surface means a surface having a contact angle θ with water of 80 ° or less, preferably 60 ° or less.

In the present invention, the hydrophilic region may be formed by forming a hydrophilic layer on the metal layer 2 of the substrate 4 or by subjecting the metal layer 2 to a hydrophilic treatment. That is, the hydrophilic region can be formed by forming a thinner metal layer on the metal layer 2 of the base material 4 by a wet or dry plating method and oxidizing the surface thereof to form a metal oxide layer. For example, it can be formed by forming an aluminum layer on the metal layer 2 of the base material 4 and subjecting the aluminum layer to an alumite treatment. Alternatively, the hydrophilic region can be formed by roughening the metal layer 2 of the base material 4 to increase the surface area. As a method of roughening, for example, sandblasting, barrel polishing,
Examples include physical treatments such as honing treatment, corona discharge treatment, plasma treatment, and spark treatment, or chemical treatment by treatment with acid or alkali.
Further, it can be formed by subjecting the metal layer 2 of the base material 4 to a treatment using a surfactant. Alternatively, a hydrophilic layer may be formed, and the surface of the layer may be further treated to impart hydrophilicity to form the hydrophilic region.

The thickness of the hydrophilic region of the tubular body of the fishing rod is preferably as thick as possible in consideration of abrasion resistance, but is preferably 5 to 2
Particularly preferably, it is 0 μm. If the thickness of the hydrophilic region of the tubular body 1 is less than 5 μm, a sufficient hydrophilic effect will not be exhibited.

As the material of the tubular body 1, when the tubular body 1 is used for a fishing rod body, reinforcing fibers such as carbon fiber, glass fiber, aramid fiber and alumina fiber are used as thermosetting resin such as epoxy resin or polyether ether. Ketone resin,
A material obtained by mixing it with a matrix material of a thermoplastic resin such as a polyetherimide resin can be used. The tubular body 1 is formed by heating and pressurizing the material to cure it.

The superhydrophobic property means a property that when wetted with water, no water droplets are formed and all the water becomes beads and is removed, or some minute water droplets remain. Specifically, the surface having superhydrophobicity refers to a surface having a contact angle θ with water of 120 ° or more, preferably 150 ° to 180 °.

In the present invention, the super water-repellent layer uses a metal such as nickel, nickel alloy, copper, copper alloy, tin, tin alloy as a base material, and disperses fluorine compound particles or fluorine compound fibers in the metal. Another example is a dispersion plating method using a plating solution. The fluorine compound particles or the fluorine compound fibers have an average molecular weight of 8,000 to 1
Approximately 10,000 particles of fluorinated graphite and fine particles of polytetrafluoroethylene can be used.

In the superhydrophobic property, the number of fluorine atoms is constant with respect to the total number of atoms existing on the surface of the layer (for example, 2).
0%) or more, it is a characteristic that is exhibited,
The super water-repellent layer can be formed by a layer forming method in which relatively many fluorine atoms are present on the surface of the layer. As such a method, an epoxy resin, an acrylic resin, or a urethane resin mixed with fine particles having a particle diameter of about 1 μm or less is used.
A method of applying thinly with a thickness of about 0 μm and drying, or a tape in which the epoxy resin, acrylic resin, and urethane resin are evenly attached to a tape base material having an adhesive layer is attached to the inner wall surface of the tubular body or the fishing line body Then, a method of removing only the tape base material may be used.

The thickness of the superhydrophobic layer of the tubular body 1 is preferably as thick as possible in consideration of abrasion resistance, but is preferably 5 to 20 μm. The thickness of the superhydrophobic layer of the tubular body 1 is 5
If it is less than μm, a sufficient superhydrophobic effect is not exhibited.

The present invention can be applied to a hollow rod, in which the tubular body 1 is a fishing rod main body, and can also be applied to a fishing rod, in which the tubular body 1 is a guide provided outside the fishing rod main body.

The present invention can also be applied to fishing lines,
By using the fishing rod according to the present invention and the fishing line to which the present invention is applied, the fishing line can be made to run more smoothly on the fishing rod.

FIG. 4 is a view for explaining the method for manufacturing a tubular body according to the second aspect of the present invention. In this method,
First, the base material 4 is wound around the core metal 6. The base material 4 has, for example, a sectional structure shown in FIG. The base material 4 is wound around the core metal 6 such that the functional layer 3 contacts the fiber-reinforced prepreg 7 located above the base metal layer 4, that is, the substrate 5 contacts the core metal 6. At this time, the base material 4 may be wound around the entire core metal 6 or may be partially wound around only a necessary place. Also, as the winding pitch,
Considering the tape width, it is preferably 5 to 20 mm. In addition, when forming a protrusion or the like on the inner wall of the tubular body,
For example, before or after the base material 4 is wound, a guide member or the like for forming projections is wound to make the inner shape of the tubular body a desired shape.

Next, the fiber reinforced prepreg 7 is wound on the wound base material 4. As the fiber reinforced prepreg 7, for example, at least one of a circumferential fiber reinforced prepreg 7a and an axial length direction fiber reinforced prepreg 7b is used. In this case, the thickness of each fiber-reinforced prepreg, the number of windings (the number of layers), the winding sequence, and the like may be arbitrary. In addition, the fiber reinforced prepreg has a scrim 7c in advance for buckling reinforcement.
You may use what lined.

Thereafter, if necessary, the base material 4 may be wound around the fiber reinforced prepreg 7 when the fishing line or the like also comes into contact with the outer surface of the tubular body. Of course, if necessary, the functional layer 3 is not provided on the inner surface of the tubular body, but the functional layer 3 is provided only on the outer surface, that is, the base material 4 is wound only on the outer surface of the fiber reinforced prepreg 7. good.

Then, as shown in FIG. 5, a fastening tape 8 is wound around and fixed on the outermost layer, here the fiber reinforced prepreg 7. In addition, instead of the tightening tape 8,
A tubular body wound up to the fiber reinforced prepreg 7 may be installed in a mold and clamped.

Then, the synthetic resin of the fiber reinforced prepreg is cured by heat treatment according to a conventional method. The conditions of this heat treatment are appropriately selected according to the type of synthetic resin of the fiber reinforced prepreg. Finally, the tightening tape 8 is removed, and the cored bar 6 is pulled out to obtain a tubular body.

Examples carried out to clarify the effects of the present invention will be described below. Example 1 Al was vacuum-deposited on a PET substrate having a thickness of 6 μm to form an Al layer having a thickness of 4 μm. Then Al
The layer was subjected to a hydrophilic treatment to roughen the surface to form a hydrophilic region having a thickness of 5 μm on the Al layer. Thus, the base tape was produced.

Next, this base tape was wound around a core metal at a pitch of 10 mm. On top of that, a fiber-reinforced prepreg made by impregnating carbon fiber with epoxy resin is used.
Wrapped in layers. At this time, a fiber-reinforced prepreg in which reinforcing fibers were aligned in the circumferential direction of the tubular body and a fiber-reinforced prepreg in which reinforcing fibers were aligned in the axial direction of the tubular body were used.

Then, a tightening tape was wound around the outermost fiber-reinforced prepreg, and heat treatment was performed at 130 ° C. for 60 minutes in this state to cure the epoxy resin of the fiber-reinforced prepreg. Then, the cored bar was pulled out to produce a tubular body.

In this way, the tubular bodies of the tip rod, the middle rod, and the base rod are produced, and by combining these,
The fishing rod of the present invention (middle threading rod) was produced. For comparison, a hollow rod having the same configuration as that of the example was prepared except that the hydrophilic regions were directly formed on the inner wall surfaces of the tubular bodies of the tip rod, the middle rod, and the base rod.

Next, regarding the above-mentioned two hollow rods,
The relationship between the speed of movement of the fishing line and the resistance of the line before and after the repeated bending stress was investigated. In addition, the resistance of the yarn was measured with a tension meter. The measured value was an average value of the results of five measurements.

As a result, the fishing rod according to the present invention was stable and had a small resistance of the fishing line without being affected by the moving speed of the fishing line. Further, the effect was sufficiently exhibited even after repeatedly applying bending stress. On the other hand, in the hollow fishing rod prepared for comparison, after repeatedly applying bending stress, peeling and cracking occurred in the hydrophilic region, the effect was lowered and the yarn resistance was increased. Example 2 Cu was vacuum-deposited on a PET substrate having a thickness of 6 μm to form a Cu layer having a thickness of 6 μm. Then, a super water-repellent layer having a thickness of 6 μm was formed on the Cu layer by a dispersion plating method using a plating solution in which fluorine compound particles were dispersed in nickel. Thus, the base tape was produced.

Next, this base tape was wound on a core metal at a pitch of 10 mm. On top of that, a fiber-reinforced prepreg made by impregnating carbon fiber with epoxy resin is used.
Wrapped in layers. At this time, a fiber-reinforced prepreg in which reinforcing fibers were aligned in the circumferential direction of the tubular body and a fiber-reinforced prepreg in which reinforcing fibers were aligned in the axial direction of the tubular body were used.

Then, a tightening tape was wound around the outermost layer of the fiber reinforced prepreg, and heat treatment was performed at 130 ° C. for 60 minutes in this state to cure the epoxy resin of the fiber reinforced prepreg. Then, the cored bar was pulled out to produce a tubular body.

In this way, tubular bodies of the tip rod, the middle rod, and the base rod are produced, and by combining these,
The fishing rod of the present invention (middle threading rod) was produced. Further, as a comparison, a hollow rod having the same configuration as that of the example was prepared except that the super water-repellent layer was formed directly on the inner wall surfaces of the tubular bodies of the tip rod, the middle rod, and the base rod.

Next, regarding the above-mentioned two hollow fishing rods,
The state of water droplets on the superhydrophobic layer before and after the repeated bending stress was investigated. As a result, in the hollow fishing rod according to the present invention, in the super water-repellent layer, the water droplets brought into the tubular body by the fishing line easily became a ball shape, and the water droplets were removed to the outside of the tubular body. Therefore, almost no water droplets were present inside the tubular body, the resistance due to the water droplets disappeared, and the fishing line was smoothly inserted. On the other hand, with the hollow rod prepared for comparison, after repeatedly applying bending stress, peeling and cracking occurred in the superhydrophobic layer, the effect was lowered and the resistance of the yarn increased.

In the above embodiment, the hollow rod, in which the tubular body is the fishing rod main body, has been described, but the effect of the present invention is exerted even when the tubular body is a long guide provided outside the fishing rod main body. To be done. In addition to this, the present invention is a fishing rod having a portion with which a fishing line comes into contact, a ski stock,
It can be applied to all golf club shafts.

[0041]

As described above, according to the tubular body of the first invention of the present invention, a tubular body body made of a fiber reinforced prepreg obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, Since the metal layer formed on the inner wall surface of the tubular body and the hydrophilic region or the superhydrophobic layer formed on the metal layer are provided, the resistance applied to the fishing line due to contact with the tubular body is reduced. The strength of the functional layer formed is high, and the effect of allowing the fishing line to smoothly run on the tubular body can be sufficiently exerted.

Further, according to the method for producing a tubular body of the second invention of the present invention, a functional layer exhibiting super water repellency or hydrophilicity is provided on the metal layer on at least one surface of the fiber reinforced prepreg. Since the base material is placed and the fiber-reinforced prepreg having the base material is heat-treated, a tubular body having a functional layer with high strength can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a tubular body that constitutes the tubular body of the present invention.

FIG. 2 is an enlarged view showing an inner surface of the tubular body shown in FIG.

FIG. 3 is a cross-sectional view showing a base material used in the method for producing a tubular body of the present invention.

FIG. 4 is a view for explaining the tubular body manufacturing method of the present invention.

FIG. 5 is a view for explaining the tubular body manufacturing method of the present invention.

[Explanation of symbols]

1 ... Tubular body, 2 ... Metal layer, 3 ... Functional layer, 4 ... Base material, 5 ...
Substrate, 6 ... Core metal, 7 ... Fiber reinforced prepreg, 7a ... Circumferential fiber reinforced prepreg, 7b ... Axial length direction fiber reinforced prepreg, 8 ... Tightening tape.

Claims (3)

[Claims] 1. A tubular body main body made of a fiber reinforced prepreg obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, a metal layer formed on an inner wall surface of the tubular body main body, and on the metal layer. And a hydrophilic region formed on the tubular body. 2. A tubular body main body made of a fiber reinforced prepreg obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, a metal layer formed on an inner wall surface of the tubular body main body, and a tubular body of the tubular body. A tubular body, comprising: a super water repellent layer formed on an inner wall surface. 3. A method for producing a tubular body by winding a fiber-reinforced prepreg having two surfaces obtained by impregnating reinforcing fibers aligned in a specific direction with a synthetic resin, the method comprising the steps of: A step of placing a base material having a functional layer exhibiting superhydrophobicity or hydrophilicity on a metal layer on at least one surface, and a step of subjecting a fiber-reinforced prepreg having the base material to heat treatment A method for manufacturing a tubular body, comprising: