JP4354297B2 - Fishing rod case and manufacturing method thereof - Google Patents

Description

  The present invention relates to a fishing rod case that accommodates a fishing rod and a method for manufacturing the same.

Conventionally, anglers have carried fragile fishing rods in fishing rod cases and carried them to fishing grounds.
These fishing rod cases, comprises a cylindrical case body which houses a fishing rod, and a bottom cup (Sokosaratai) that attaches to the bottom of the case body, other, front pockets and side pockets such cases for the shoulder belt and accessories It is attached to the main body.
By the way, as disclosed in Patent Document 1, conventionally, the case body of many fishing rod cases is composed of polyethylene board or the like between front and back decorative cloths (outer cloth and inner cloth) made of nylon, vinyl chloride or the like. A shape-retaining sheet formed of a resin for holding a hard shape is interposed, and a sheet made of foam material such as polyethylene foam having a buffering effect is arranged on the outer peripheral surface of the shape-retaining sheet, and these are formed into a cylindrical shape. Was formed.

Thus, according to such a structure, the case main body is not easily crushed by the shape-retaining sheet, and when the fishing rod case collides with the corner of the rocky place or falls and collides with the ground, the impact of the foam material is reduced. Since the seat absorbs and prevents damage to the fishing rod, it is suitable for protecting the accommodated fishing rod.
JP-A-11-75654

However, in the case of the fishing rod case having the conventional structure as described above, the foam sheet may be displaced from the shape-retaining sheet after long-term use.
In addition, when manufacturing a fishing rod case, the shape retaining sheet was held in a cylindrical shape, and a foam sheet was wound around the outer peripheral surface. In this case, the foam sheet was displaced from the shape retaining sheet. Therefore, positioning is difficult and laborious.

  The present invention has been devised in view of such circumstances, and eliminates misalignment between the shape-retaining sheet and the foamed material at the time of use, and at the same time eliminates misalignment of these sheets at the time of manufacture and has excellent workability. An object is to provide a fishing rod case and a manufacturing method thereof.

In order to achieve such an object, the invention according to claim 1 is a fishing rod case in which a foam material sheet is arranged on the outer peripheral surface of a synthetic resin shape-retaining sheet and these are bent into a cylindrical shape to form a case body. In this case, the shape-retaining sheet is provided with a large number of holes, and a plurality of uneven portions for preventing misalignment are provided on the inner peripheral surface of the foam sheet in contact with the shape-retaining sheet .

The method of manufacturing a fishing rod case according to claim 2, a sheet made of foamed material and cut into a predetermined shape, of which provided with a plurality of uneven portions on the peripheral surface, the inner circumferential surface, a large number of holes was brought into contact with the outer peripheral surface of the synthetic resin shape retaining sheet provided overlapping a sheet of foam in the shape retaining sheet, these after forming the casing body is bent in a tubular shape, the bottom of the case body A bottom cup is attached.

According to a fishing rod case according to claim 1, by the locking of the seat side of the convex portion and the shape retaining sheet side of the hole, it is possible to prevent securely misalignment of the sheet of foam against the shape retaining sheet in use In addition, the provision of the hole in the shape retaining sheet has an advantage that the weight of the fishing rod case can be reduced by reducing the weight of the shape retaining sheet.

Further, according to the manufacturing method of claim 2 , the sheet-like foaming material is reliably prevented from being displaced with respect to the shape-retaining sheet at the time of manufacture by the engagement between the sheet-side convex portion and the shape-retaining sheet-side hole. Therefore, it is easy to position the seat, and the fishing rod case can be manufactured easily.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 to FIG. 3 show a first embodiment of a fishing rod case according to claim 1, wherein in FIG. 1, 1 is a composite with a sheet 3 of foam material cut into a predetermined shape as shown in FIG. 2. A fishing rod formed by stacking resin shape retaining sheets 5-1 and bending them in a cylindrical shape so that the left and right end portions 3a and 3b and the end portions 5a-1 and 5b-1 face each other as shown in FIG. In the case body of the case 7, the sheet 3 is made of a synthetic resin such as polyurethane, ethylene vinyl acetate, or a thermoplastic resin, or a rubber foam material (closed cell foam material or open cell foam material). An outer cloth 9 is attached as a thin decorative cloth made of a synthetic resin such as polypropylene.

The outer cloth 9 does not necessarily have to be attached to the outer peripheral surface 3d of the sheet 3 in close contact. Although not shown, a thin inner cloth made of the same material as the outer cloth 9 is attached to the inner peripheral surface of the shape retaining sheet 5-1 , and the fishing rod housing portion 10 inside the fishing rod case 7 shown in FIG. May be.
On the other hand, the shape-retaining sheet 5-1 for retaining the shape is formed of a synthetic resin such as polyethylene board so as to have the most rigidity among the sheet materials forming the fishing rod case 7, as in the conventional case . As shown in FIG. 2, the shape-retaining sheet 5-1 is formed in a mesh shape having a large number of holes 55, and a convex portion 27 described later provided on the inner peripheral surface 3c of the sheet 3 bites in during use and manufacture. The hole 55 of the shape-retaining sheet 5-1 is formed smaller than the convex portion 27 on the sheet 3 side.
In addition, you may form the convex part 27 of the sheet | seat 3 in the magnitude | size which engages with the hole 55. FIG.

As shown in FIG. 2, the bottom portion of the case body 1 is inserted into a bottom cup 11 having a substantially U-shaped cross section made of a synthetic resin having a rigidity higher than that of the shape retaining sheet 5-1. Are sewn with a thread so as to form a cylindrical shape. The end portion 3a of the seat 3 abutted as shown in FIG. 3, between 3b is a fishing rod inlet / outlet 15 of the case body 1, the bottom of the fishing rod inlet / outlet 15 from the top of the case body 1 Fastener tapes 17a and 17b of a slide fastener 17 that opens and closes across the cup 11 are sewn inside the end portions 5a-1 and 5b-1 of the shape retaining sheet 5-1 .

As shown in FIG. 1, a shoulder belt 19 and a handle 21 are attached to the back of the case body 1, and a side pocket 23 for small items is attached to one side of the case body 1.
Then, the entire surface of the inner peripheral surface 3c of the seat 3 as shown in FIGS. 2 and 3, by a recess (groove) 25 provided in the vertical and horizontal grid pattern, many convex including front view square portion 27 In this embodiment, the sheet 3 and the shape-retaining shape during use and manufacture are obtained by locking the plurality of convex portions 27 on the sheet 3 side and the holes 55 on the shape-retaining sheet 5-1 side. It is characterized by preventing the deviation of the sheet 5-1 .

Fishing rod case 7 according to the present embodiment is constituted as this, the fishing rod case 7 is manufactured as follows by a first embodiment of the manufacturing method according to claim 2.
First, as shown in FIG. 2, the shape-retaining sheet 5-1 is cut into a predetermined shape capable of forming the case body 1 from one sheet of foam material 3 and one sheet of synthetic resin mesh .
Then, the cut sheet 3 is pressed with an upper die (die) 29 and a lower die (die) 31 as shown in FIG. 4, and the concave portion 25 and the convex portion 27 are provided on the inner peripheral surface 3 c of the sheet 3. As shown in FIG. 4, a cavity 33 having the same outer shape as the cut sheet 3 is provided on the upper surface portion 31a of the lower die 31, and the bottom of the cavity 33 is flat and the thickness of the sheet 3 before pressing is determined. It is shallow.

On the other hand, on the bottom surface portion 29 a of the upper mold 29, protrusions 35 protrude in a vertical and horizontal lattice shape, and a recess 37 is formed between the protrusions 35.
Thus, as shown in FIG. 4, the cut sheet 3 is spread and placed in the cavity 33 of the lower mold 31. As described above, the cavity 33 is formed to be shallower than the thickness of the sheet 3 before pressing. Therefore, when the sheet 3 is expanded in the cavity 33 in this manner, the upper surface side of the sheet 3 protrudes upward from the cavity 33.

In this state, when the upper die 29 is overlapped on the upper surface portion 31a of the lower die 31 from above as shown in FIG. 4, the lattice-like concave portions 25 are formed on the inner peripheral surface 3c of the sheet 3 by the protrusions 35 and the concave portions 37 described above. A large number of convex portions 27 are formed, and the sheet 3 is bent and brazed by this pressing so that the inner peripheral surface 3c is on the inner side.
In order to aggressively braze the sheet 3, for example, a lower mold having a concavely curved cavity and an upper mold having a convex bottom surface according to the cavity shape may be used. When the sheet 3 is brazed so that the inner peripheral surface 3c is on the inside, the sheet 3 and the shape-retaining sheet 5-1 are bent into a cylindrical shape and the bottom thereof is inserted into the bottom cup 11 as will be described later. It becomes easier to work.

Thereafter, the outer circumferential surface 5c-1 of the shape retaining sheet 5-1 as shown in FIG. 5, abut against the inner peripheral surface 3c side of the sheet 3 the recess 25 and the convex portions 27 are formed, sheet over preparative 3 The outer cloth 9 is attached to the outer peripheral surface 3d, and the fastener tapes 17a and 17b of the slide fastener 17 are sewn to the end portions 5a-1 and 5b-1 of the shape retaining sheet 5-1 .
Then, the sheet 3, the shape-retaining sheet 5-1, and the outer cloth 9 are bent with the shape-retaining sheet 5-1 inside, and the bottom portion is inserted into the bottom cup 11 as shown in FIG. The fishing rod case 7 is manufactured by sewing the portion 13 with a thread and attaching the shoulder belt 19, the handle 21, the side pockets 23 for small items to the case body 1.

Thus , according to the fishing rod case 7 manufactured in this way, the pressed sheet 3 has a slightly convex portion 27 as compared with the concave portion 25 which is densely pressed and hardened by increasing the material density. Since it is formed flexibly and easily follows the movement of the shape-retaining sheet 5, when the fishing rod case 7 is used, the convex portion 27 of the sheet 3 is deformed and enters into the hole 55 so as to bite into the shape-retaining sheet 5- The displacement of the sheet 3 with respect to 1 is prevented.

On the other hand, when the fishing rod case 7 is manufactured, the convex portion 27 of the sheet 3 is deformed and enters into the hole 55 so as to bite, thereby preventing the displacement of the sheet 3 with respect to the shape retaining sheet 5-1.
Therefore, according to the fishing rod case 7 according to the present embodiment, it is possible to prevent the foamed sheet 3 from being displaced with respect to the shape-retaining sheet 5-1, and the mesh-shaped shape-retaining sheet 5- Since 1 is lighter than a shape-retaining sheet without holes, the weight of the fishing rod case 7 as a whole can be reduced.

And according to the manufacturing method of the fishing rod case 7 which concerns on this embodiment, the convex part 27 of the sheet | seat 3 penetrates in the hole 55 so that it may bite, and it may be made of foaming material with respect to the shape-retaining sheet 5-1. Since the displacement of the sheet 3 can be prevented, the positioning of the sheet 3 is easy, and since the sheet 3 is slightly curved and brazed so that the inner peripheral surface 3c is on the inside by pressing, the bottom 3 Combined with the ease of attachment to the cup 11, the fishing rod case 7 can be manufactured easily.
Furthermore, the mesh shaped shape-retaining sheet 5-1 is lighter than the shape-retaining sheet 5, which contributes to improvement in workability.

Figure 6 shows a second embodiment of a fishing rod case according to claim 1, the present embodiment, the inner peripheral surface 3c of the sheet over preparative 3 partially heated, melted, which at normal temperature cooling and cured By providing a plurality of belt-shaped melt-cured portions 39 in the longitudinal direction of the sheet 3 (longitudinal direction of the case main body to be formed), the plurality of convex portions 43 to be engaged with the holes 55 of the shape-retaining sheet 5-1 are provided. 3 is provided on the inner peripheral surface 3c.

In the present embodiment, the six melt-cured portions 39 are provided on the inner peripheral surface 3c of the sheet 3. However, the number of the melt-cured portions 39 is not limited to six, and the melt-cured portions 39 are arranged on the sheet. You may provide 3 horizontal directions or vertical and horizontal grid | lattice form.
The remaining structure of the fishing rod cases according to this embodiment is the same as the fishing rod case 7 in FIG. 1, description thereof will be denoted by the same reference numerals to the same thing is omitted.

And Thus, fishing rod cases according to this embodiment is manufactured as follows by a second embodiment of the manufacturing method according to claim 2.
First, as shown in FIG. 6, one sheet of foam material 3 is cut into a predetermined shape capable of forming a case body .
Then, as shown in FIG. 7 , the cut sheet 3 is spread and placed on a flat support base 47, and the six nozzles 49 that respectively form the above-described six melt-cured portions 39 are separated from the sheet 3 at a predetermined position. To place.

Thereafter, while moving the six nozzles 49 in the longitudinal direction of the sheet 3, hot air W (or flame) is blown from the nozzle 49 onto the upper surface of the sheet 3 to melt the sheet 3, and this is cooled and cured at room temperature. Thus, a belt-like melt-cured portion 39 is formed in the longitudinal direction of the sheet 3.
And Thus, Such melt the upper surface of the sheet 3, providing a melt hardened portion 39 is cured, the recess shrinks become dense composition of each melt hardened portion 39 as shown in FIG. 8 (groove) 51 These concave portions 51 define and form the convex portions 43 described above, and the convex portion 43 side is brazed so as to be bent inward as the inner peripheral surface 3 c of the sheet 3.

Thereafter , the outer peripheral surface 5c of the shape retaining sheet 5-1 is brought into contact with the inner peripheral surface 3c side of the sheet 3 on which the concave portions 51 and the convex portions 43 are formed, and the outer cloth 9 is attached to the outer peripheral surface 3d of the sheet 3. Thus, the fastener tapes 17a and 17b of the slide fastener 17 are sewn to the end portions 5a-1 and 5b-1 of the shape retaining sheet 5-1 .
Then, as in the embodiment, the sheet 3 and the shape retaining sheet 5-1, after inserting the bottom of that by bending the outer cloth 9 in the bottom cup 11, sewn with thread to the peripheral wall 13 of the bottom cup 11 Then, the fishing rod case is manufactured by attaching the shoulder belt 19, the handle 21, the accessory side pockets 23, and the like to the case body .

And Thus, even by the thus produced fishing rod cases, melting, projection 43 than the recess 51 of the cured melted hardened portion 39 is flexibly formed to follow the movement of the shape retaining sheet 5 Therefore, when the fishing rod case is used, the convex portion 43 is deformed according to the movement of the sheet 3 or the shape retaining sheet 5-1 , and enters into the hole 55 so as to bite into the shape . Prevent misalignment.

Therefore, even with the fishing rod case 7 according to the present embodiment, the foamed sheet 3 can be prevented from being displaced with respect to the shape retaining sheet 5-1, and the mesh shaped shape retaining sheet 5-1. Is lighter than a shape-retaining sheet having no holes, so that the fishing rod case 7 as a whole can be reduced in weight.

And according to the manufacturing method of the fishing rod case which concerns on this embodiment, the convex part 43 of the sheet | seat 3 penetrates in the hole 55 so that it may bite and it may bite, and it is a sheet | seat of a foam material with respect to the shape-retaining sheet 5-1. 3 can be prevented from being easily positioned, and the concave portions 51 of the respective melt-cured portions 39 are brazed so that the convex portions 43 can be bent inward with the convex portion 43 side as the inner peripheral surface 3c. in order to, manufacturing operations of the fishing rod cases has become easy it is easy to be mounted to the bottom cup 11.

It is a front view of the fishing rod case which concerns on 1st embodiment of Claim 1. It is an expanded view of the case main body of the fishing rod case shown in FIG. It is the III-III sectional view taken on the line of FIG. It is explanatory drawing of the manufacturing method of the fishing rod case which concerns on 1st embodiment of Claim 2. It is explanatory drawing of the manufacturing method of a fishing rod case. It is an expanded view of the sheet | seat of the fishing rod case which concerns on 2nd embodiment of Claim 1. It is explanatory drawing of the manufacturing method of the fishing rod case which concerns on 2nd embodiment of Claim 2. It is sectional drawing of the sheet | seat in which the melt-hardening part was formed.

1 Case body
3 sheets
3c Inner peripheral surface
5-1 Shape retention sheet
5c-1 outer peripheral surface
7 Fishing rod case
11 Bottom cup
17 Slide fastener
25, 51 recess
27, 43 Convex
29 Upper mold
31 Lower mold
39 Melting and hardening part
49 nozzles
55 holes

Claims (2)

In a fishing rod case in which a foam material sheet is arranged on the outer peripheral surface of a synthetic resin shape-retaining sheet and these are bent into a cylindrical shape to form a case body,
Wherein a large number of holes provided in the shape retaining sheet, fishing rod cases the inner peripheral surface of the sheet of foam in contact with the shape retaining sheet, characterized in that a plurality of uneven portions for displacement prevention. A sheet made of foam material is cut into a predetermined shape, and a plurality of concave and convex portions are provided on the inner peripheral surface side thereof, and the inner peripheral surface side is provided on the outer peripheral surface of a synthetic resin shape-retaining sheet provided with a number of holes. A method for manufacturing a fishing rod case, comprising: affixing a sheet of foam material on a shape-retaining sheet; bending the sheet into a cylindrical shape to form a case body; and attaching a bottom cup to the bottom of the case body .

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