JP4051161B2 - Tubular body and manufacturing method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a tubular body having a natural-looking linear pattern and excellent in durability, and a method for producing the same.
[0002]
[Prior art]
Conventionally, various methods for applying a natural-looking linear pattern to the outer surface of a tubular body are known. As the first method, there is known a method of coating a paint in a line while rotating the tubular body. As a second method, a linear pattern is formed on the outer surface of the tubular body by a printing process such as screen printing. The method of applying is known. As a third method, a method of attaching a seal-like, tape-like, or ring-like component to the outer surface of the tubular body is known.
[0003]
[Problems to be solved by the invention]
However, in the first and second methods, a linear pattern that feels like a mechanical (artificial) or industrial product is unavoidable, and a natural-looking appearance cannot be expressed. Further, the third method has a problem in terms of durability, such as a part attached to the tubular body being peeled off or cracked due to aging. Furthermore, in any case of the first to third methods, the part where the linear pattern can be applied is limited, and the linear pattern cannot be applied to the part having a complicated outer shape.
[0004]
The present invention has been made to solve such problems, and an object of the present invention is to provide a tubular body having a natural-looking linear pattern and excellent in durability, and a method for producing the same. .
[0005]
[Means for Solving the Problems]
In order to achieve such an object, the present invention provides:
A tubular body comprising a tubular body portion and a plurality of bulging portions formed at predetermined intervals along the axial length direction on the outer surface of the tubular body portion, wherein each of the bulging portions is a tubular body. A projection having a predetermined height from the outer surface of the portion and formed along the circumferential direction of the tubular body portion, an inclined portion formed on one side in the axial length direction with the projection as a boundary, and It has a steeper slope than the inclined part and is formed of a reduced diameter part formed on the other side in the axial length direction with the projection as a boundary, and the outer surface of the tubular body part extends along the axial length direction. A streaky bamboo pattern is formed, and a tubular body part is formed by forming a coating layer and a decorative layer covering the coating layer on the reduced diameter portion of the bulging portion, and polishing the decorative layer. the exposed portions of the coating layer along the circumferential direction linearly, the exposed linear density of the coating layer, thickness and edge shapes (outline) is shaken and changed It is integrally formed with the expanded portion of a linear pattern.
Further, the present invention is a method for manufacturing a tubular body comprising a tubular body portion and a plurality of bulging portions formed at predetermined intervals along the axial length direction on the outer surface of the tubular body portion, The step of forming the bulging portion includes a step of forming a protrusion having a predetermined height from the outer surface of the tubular body portion and along the circumferential direction of the tubular body portion, and an axial length direction with the protrusion as a boundary. And forming a reduced diameter portion on the other side in the axial length direction having a steep slope than the inclined portion and having the projection as a boundary. , by applying squeezing coating along the axial direction on the outer surface of the tubular body portion, the outer surface of the tubular body portion in the axial direction to form a along cormorants streaky bamboo eye pattern, the reduced diameter portion of the bulging portion along the circumferential direction to form a decorative layer with the coating layer covering the coating layer, by polishing the decorative layer, along the circumferential direction of the tubular body portion Te part of the coating layer was exposed to linearly, the expanded portion of the linear pattern as the exposed linear density of the coating layer, thickness and edge shapes (outline) is shaken to and change And a step of forming it integrally.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a tubular body according to an embodiment of the present invention will be described with reference to the accompanying drawings.
[0007]
The tubular body of the present invention includes, for example, a fishing rod, a golf club shaft, a tennis racket shaft, and the like. In the following embodiments, a fishing rod (single rod, joint rod, etc.) is used as an example. I will explain.
[0008]
As shown in FIG. 1 (a), a tubular body or fishing rod 1 is formed with a plurality of bulged portions 5 at predetermined intervals along the axial length direction S on the outer surface of the tubular body portion or rod tube 3. These bulged portions 5 express a natural feeling pattern (such as a bamboo pattern in the axial length direction S, a linear pattern in the circumferential direction, etc.).
[0009]
As shown in FIG. 1 (b), each of the bulging portions 5 is formed asymmetrically along the axial length direction S of the tub tube 3 and has a predetermined height from the outer surface of the tub tube 3. In addition, the inclined portion 9 is different from the protruding portion 7 formed along the circumferential direction of the soot tube 3, the inclined portion 9 formed on one side in the axial length direction S with the protruding portion 7 as a boundary. A reduced diameter portion 11 having a gradient and formed on the other side in the axial length direction S with the protruding portion 7 as a boundary is configured.
[0010]
The bulging portion 5 can be set to have a length L1 along the axial length direction S of 5 to 7 mm and 40 mm or less (preferably 10 to 30 mm) so as to have a natural bamboo knot shape. preferable.
[0011]
The protrusion 7 forms a reference for the height H of the bulging portion 5, and the top portion 7 a can have a protruding shape or a flat shape along the axial length direction S. Regardless of the shape, the height H of the protrusion 7 (the height from the outer surface of the soot tube 3 to the top 7a) is 0.3 to 1.0 mm (preferably 0.4 to 0.8 mm). It is preferable to set the range in order to express a natural bamboo knot shape.
[0012]
The inclined portion 9 and the reduced diameter portion 11 are formed with different gradients, and in this embodiment, the reduced diameter portion 11 is formed with a steeper slope than the inclined portion 9. Specifically, within the range of the length dimension L1 described above, the reduced diameter portion 11 is formed with a length L2 of about 1 mm or about 2 mm on the other side of the axial length direction S with the protrusion 7 as a boundary. The inclined portion 9 is formed in a length range of L1-L2. In this case, in the length L2, the reduced diameter portion 11 is formed in a stepped shape or a steeply inclined shape. On the other hand, in the length range of L1-L2, the inclined portion 9 has a natural-feel bamboo knot shape. In this way, the projection 7 is gently inclined from the top 7a of the projection 7 toward the outer surface of the soot tube 3, and is continuous with the outer surface of the soot tube 3.
[0013]
In the region extending from the top 7a of the bulging portion 5 to the reduced diameter portion 11, a linear pattern 35 of, for example, a brown color or bamboo skin color is integrally formed so as to be visible along the circumferential direction. This linear pattern 35 is a natural pattern with fluctuations, preferably a linear pattern in which the density, thickness, and end face shape (that is, the contour) change and fluctuate in the width direction of the line. It has become.
[0014]
Next, a manufacturing method of the tubular body, that is, the fishing rod 1 as described above will be described.
[0015]
First, a tubular body portion, that is, a soot tube 3 is formed. The soot tube 3 is a soot made of a so-called prepreg in which a reinforcing fiber (eg, carbon, glass, boron, ceramics, metal, organic fiber, etc.) is impregnated with a matrix material (eg, epoxy, polyester, phenol, aluminum, etc.). A tube body 15 is provided. In this case, in order to improve the adhesion of the bulging portion 5 to the outer surface of the soot tube 3, it is preferable to form a coating layer 17 composed of one or more layers on the outer surface of the soot tube body 15. The coating layer 17 is not always necessary, and the bulging portion 5 may be formed directly on the outer surface of the soot tube body 15.
[0016]
Next, the bulging portion 5 is formed on the outer surface of the soot tube 3. In the step of forming the bulging portion 5, after forming the protruding portion 7, the inclined portion 9 and the reduced diameter portion 11 are sequentially formed.
[0017]
The protrusion 7 serves as a reference for the height H of the bulging portion 5, and it is preferable that the protrusion 7 constitutes about 80% or more of the entire height of the bulging portion 5. Therefore, in order to satisfy this, a projecting layer composed of one layer or a plurality of layers is formed on the outer surface of the soot tube 3 along the circumferential direction. In FIG. 1B, as an example, the protruding portion 7 is formed by the protruding layers 19 and 21 including two layers.
[0018]
Subsequently, the inclined portion 9 is formed on one side in the axial length direction S with the protruding portion 7 as a boundary. The inclined portion 9 is formed by an inclined layer 23 that is gently inclined from the top portion 7a (see FIG. 1B) of the protruding portion 7 toward the outer surface of the tub tube 3.
[0019]
Examples of a method for forming the protrusions 7 (protrusion layers 19 and 21) and the inclined portion 9 (inclined layer 23) include, for example, a method of applying a predetermined paint in a line-like shape (painting method), A method of winding a narrow tape around the outer surface of the tub tube 3 (tape winding method) or the like can be applied.
[0020]
As the paint used in the coating method, paints having the same viscosity and hardness (for example, epoxy resin paint, polyurethane resin paint, etc.) can be used. However, there is a relative difference in viscosity and hardness. May be. For example, when making a difference in viscosity, the protrusion 7 is made of a paint having a viscosity higher than that of the paint used for the inclined portion 9 (for example, epoxy, polyurethane resin paint, etc.) (for example, build-up, thread fixing epoxy, acrylic resin, etc.). If formed, the protrusion 7 can be built up higher. On the other hand, for example, when giving a difference in hardness, the inclined portion 9 is formed with a paint (eg, a fluororesin paint) having a higher hardness than a paint (eg, epoxy, polyurethane resin paint, etc.) used for the protrusion 7. By doing so, the wear resistance of the inclined portion 9 can be improved, and at the same time, the adhesion of the projection 7 to the soot tube 3 and the inclined portion 9 can be improved. In addition, as hardness, the pencil hardness of 3H or less (preferably 3H-B) is preferable.
[0021]
Moreover, as a tape used for the tape winding method, for example, a tape material such as a thermosetting carbon tape impregnated with an epoxy resin can be used.
[0022]
In such a method, after forming the projecting portion 7 and the inclined portion 9, the surface is formed as necessary so that the inclined portion 9 is flush with the outer surface of the porcelain tube 3 and smoothly (without a step). It is preferable to perform the treatment. As the surface treatment, for example, a polishing process (such as a mechanical polishing process or a manual polishing process) can be used.
[0023]
As described above, when forming the protruding portion 7 and the inclined portion 9, at the same time, the diameter-reduced portion 11 having a steeper slope than the inclined portion 9 is formed in a step shape on the other side of the protruding portion 7.
[0024]
Subsequently, in a region extending from the top portion 7a of the bulging portion 5 to the reduced diameter portion 11, a coating for a linear pattern is applied in the circumferential direction to form a coating layer (linear pattern) 35, and then at least the coating is applied. A decorative layer 37 is formed so as to cover the film layer 35. And the grinding | polishing process is performed with respect to the decoration film 37 of the part in which the coating-film layer 35 was formed, and the coating-film layer 35 is exposed in a linear form. In this case, as the polishing process, for example, a polishing process by a machine or a manual polishing process can be applied. By this polishing process, a linear pattern 35 (specifically, a natural feeling with fluctuations) can be applied. , The thickness, thickness, and end face shape (that is, the contour) change and fluctuate in the width direction of the line. Note that a bamboo pattern (striped pattern) may be formed on the outer surface of the tub tube 3 at the same time as the decoration layer 37 is formed, or a bamboo pattern 31 is printed on the outer surface of the decoration layer 37. May be.
[0025]
Thereafter, a transparent or translucent protective layer 39 is formed so as to cover at least the bulging portion 5, thereby completing the tubular body, that is, the fishing rod 1 having the bulging portion 5 as shown in FIG.
[0026]
As described above, according to the present embodiment, it is possible to realize the tubular body 1 on which the natural-looking linear pattern 35 is applied at the bulging portion. In this case, a more natural-looking appearance can be realized by forming the linear pattern 35 with a bamboo pattern and a paint of a similar color (for example, a brown color or a bamboo skin color). Furthermore, since the linear pattern 35 can be integrally formed by the polishing treatment, the tubular body 1 having excellent durability can be realized by preventing the occurrence of peeling and the like.
[0027]
In the above-described embodiment, the bulging portion 5 is configured by the protruding portion 7 (the protruding layers 19 and 21) and the inclined portion 9 (the inclined layer 23), but is not limited to this. For example, As shown in FIG. 1C, the bulging portion 5 may be configured by one layer 41.
[0028]
In the above-described embodiment, the linear pattern 35 is exposed and formed by the polishing process . Although not included in the present invention, for example, FIG. 2 (a), (b) illustrate a method of simultaneously forming a linear pattern 33, as well as bamboo th pattern 31 by ironing painting. In this method, after forming the protruding portion 7, the inclined portion 9, and the reduced diameter portion 11, a decoration layer 37 (see FIG. 1B) is formed so as to cover at least these, and the outer surface of the decoration layer 37 is stained. Apply paint.
[0029]
Shikoki painting is a bamboo grain pattern in the axial direction S using the fact that the paint does not adhere uniformly when the paint is slid along the axial direction S of the tubular body part, that is, the soot tube 3. This is a method of forming 31. In other words, this squeeze-coating method is a method of forming patterns of various shapes by utilizing coating unevenness of the paint in the axial length direction S.
[0030]
In this case, as a method of painting while sliding the paint, for example, if the palm is slid along the axial length direction S of the soot tube 3 while the paint is attached to the palm and the soot tube 3 is gripped, the palm of the hand Due to the fingerprints and wrinkles formed on the surface, uneven coating of the paint occurs along the axial length direction S. The bamboo pattern 31 is formed by this coating unevenness. At that time, in the bulging portion 5 (particularly, the region extending from the top portion 7a of the bulging portion 5 to the reduced diameter portion 11), the paint particularly accumulates in a complicated shape. A pattern 33 is also formed. The same effect can be realized by using a ring-shaped member made of, for example, sponge instead of the palm.
[0031]
Moreover, in embodiment mentioned above, although the bamboo sword shape is expressed using the single bulging part 5, it is not limited to this, For example, as shown in FIG.2 (c), a pair of A bamboo knot shape may be expressed by the bulging portions 5 and 5 '. In this case, the pair of bulging portions 5 and 5 ′ are disposed and configured symmetrically with respect to the linear pattern 33.
[0032]
In addition, bamboo that grows naturally (bumps 5) is not formed at equal intervals. Actually, for example, as shown in FIG. 3, the bamboo nodes on the base side are close to each other, and the distance between the bamboo nodes increases toward the front side. Furthermore, the bamboo pattern on the front side gradually becomes thinner than the base side, and extends in parallel along the axial length direction S. On the other hand, the bamboo pattern on the base side is thicker than that on the front side and extends in a random direction (inclined and meandering with respect to the axial direction S). And the height H of the bulging part 5 is gradually increased as it goes from the front side to the root side. According to the embodiment described above, the tubular body 1 having the shape and configuration as shown in FIG. 3 can be manufactured so as to satisfy such a more natural state.
[0033]
【The invention's effect】
According to the present invention, and the linear patterns such as density, thickness and edge shapes of the coating layer which is exposed along the circumferential direction of the tubular body portion linearly (i.e. profile) is shaken and change is performed A tubular body having excellent durability and a method for producing the same can be provided.
[Brief description of the drawings]
FIG. 1A is an external view of a tubular body according to an embodiment of the present invention, and FIG. 1B is a cross-sectional view showing a configuration of a bulging portion in which a linear pattern is exposed by polishing. (C) is sectional drawing of the bulging part which concerns on the modification of this invention.
FIG. 2A is an external view of a tubular body according to a modification of the present invention, FIG. 2B is an external view of a tubular body in which a linear pattern and a bamboo pattern are simultaneously formed by squeaking, ) Is an external view of a tubular body according to a modification of the present invention.
FIG. 3 is an external view of a tubular body in a more natural state.
[Explanation of symbols]
1 Fishing rod (tubular body)
3 Tubular tube (tubular body)
5 bulge portion 7 projection portion 7a top portion 9 inclined portion 11 reduced diameter portion

Claims (6)

A tubular body;
A tubular body provided with a plurality of bulging portions formed at predetermined intervals along the axial length direction on the outer surface of the tubular body portion,
Each of the bulging portions has a predetermined height from the outer surface of the tubular body portion and is formed along the circumferential direction of the tubular body portion, and one of the axial length directions with the protrusion as a boundary. An inclined portion formed on the side, and a reduced diameter portion formed on the other side in the axial length direction with a steep slope than the inclined portion and with the projection as a boundary,
On the outer surface of the tubular body part, a streaky bamboo pattern is formed along the axial length direction,
The reduced diameter portion of the bulging portion to form a decorative layer covering the coating layer and the coating layer, by polishing the decorative layer, the coating layer along the circumferential direction of the tubular body portion A part of the exposed linear coating layer is exposed to a linear shape, and a linear pattern is formed integrally with the bulging portion such that the thickness, thickness, and end face shape of the exposed linear coating layer changes and fluctuates. A tubular body characterized by that. The tubular body according to claim 1, wherein the streaky bamboo pattern and the linear pattern are formed in similar colors to each other. The tubular body portion is tapered from the original side to the front side, and a plurality of the bulging portions are formed on the outer surface of the tubular body portion at predetermined intervals along the axial length direction.
The bulging portion is in close proximity to each other in the original side of the tubular body portion, with the mutual spacing has spread toward the front side, bamboo eye pattern of the muscle shape, the lines forming the stripe-like pattern 2. The tubular body according to claim 1, wherein at least one of a thickness, an inclination direction, and a meandering direction is increased on the original side of the tubular body portion and decreased on the front side of the tubular body portion. A method of manufacturing a tubular body comprising a tubular body portion and a plurality of bulged portions formed at predetermined intervals along the axial length direction on the outer surface of the tubular body portion,
The step of forming the bulging portion includes a step of forming a protrusion having a predetermined height from the outer surface of the tubular body portion and along the circumferential direction of the tubular body portion, and an axial length direction with the protrusion as a boundary. And forming a reduced diameter portion on the other side in the axial length direction with the projection as a boundary, and forming a slope portion on one side of ,
By applying ironing painted on the outer surface of the tubular body portion along the axial direction, the outer surface of the tubular body portion in the axial direction to form a along Cormorants streaky bamboo eye pattern, the reduced diameter portion of the bulging portion, A coating layer and a decorative layer covering the coating layer are formed along the circumferential direction, and the decorative layer is polished, whereby a part of the coating layer is linear along the circumferential direction of the tubular body portion. And a step of integrally forming a linear pattern in which the density, thickness, and end face shape of the exposed linear coating layer changes and fluctuates. Manufacturing method. The manufacturing method according to claim 4 , wherein the inclined portion and the reduced diameter portion are formed by a step of forming the protruding portion. The manufacturing method according to claim 4 or 5 , wherein the streaky bamboo pattern and the linear pattern are formed in similar colors.

Images