JP2578326B2 - Trunk line and fishing line for longline - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a longline and other general fishing line used to catch large fish such as tuna.

[0002]

2. Description of the Related Art Conventionally, as a mainline of a longline used for catching a large fish such as a tuna, for example, a bundle of three multifilaments made of nylon and having a perfect circular cross section is used. What is made by twisting is known.

[0003] However, a trunk line for longline made by three-ply twisting has poor flexibility, a peculiarity of twisted yarn, that is, a yarn peculiarity, a kink is apt to enter during work, and a tangling of the main rope occurs. For example, there was a problem that the operation of feeding and winding the longline for the longline could not be performed smoothly, resulting in poor operability.

[0004] In order to solve this problem, there has been proposed a longline for a longline formed by using 8 to 12 monofilaments made of synthetic resin having a perfect circular cross section. There is a problem in that the main rope for longline formed by tying is too hard and workability is extremely poor.

[0005] Further, there is also known a general fishing line other than a longline for a longline, which is formed by using, for example, 8 to 12 monofilaments made of synthetic resin having a perfect circular cross section in order to increase strength. However, in this case as well, there is a problem that the workability is very poor as in the case of the longline for the longline.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to provide a trunk line and a fishing line for a longline which are rich in flexibility, workability and so-called line handling. Things.

[0007]

Means for Solving the Problems In order to solve this problem, a trunk line for longline according to the present invention is a trunk line for longline formed by tying a plurality of yarns made of synthetic resin. The thread is
The gist is that the cross section in the range of major axis / minor axis = 2.0 to 10.0 is made of a flat monofilament. The longline for longline of the present invention is a longline for longline formed by using a plurality of yarns made of synthetic resin, and each yarn has a long axis / short axis = 2.0 to 10 In this case, a monofilament having a flat cross section in the range of 0.0 is used as a core yarn, and the core yarn is wrapped around by a multifilament made of a synthetic resin. The longline for longline according to the present invention is a longline for longline formed by using a plurality of yarns made of synthetic resin, and the long axis / short axis = 2.0 to 1
A monofilament having a flat cross section in the range of 0.0 is used as a core yarn, and the core yarn is composed of a yarn wrapped around a multifilament made of a synthetic resin, and a plurality of yarns including only the multifilament. It is the gist. The fishing line of the present invention is a fishing line formed by using a plurality of yarns made of synthetic resin, and each yarn is
The gist is that the cross section in the range of major axis / minor axis = 2.0 to 10.0 is made of a flat monofilament. Further, the fishing line of the present invention is a fishing line formed by using a plurality of yarns made of a synthetic resin, and each yarn has a long axis /
The gist is that a monofilament having a flat cross section in the range of short axis = 2.0 to 10.0 is used as a core yarn, and the core yarn is wrapped around by a multifilament made of a synthetic resin. Further, the fishing line of the present invention is a fishing line formed by using a plurality of yarns made of a synthetic resin, and is a monofilament having a flat cross section in a range of major axis / minor axis = 2.0 to 10.0. Is a core yarn, and is composed of a yarn wrapped around a multifilament made of a synthetic resin around the core yarn and a plurality of multifilament-only yarns.

Hereinafter, the present invention will be described in detail. The monofilament having a flat cross section in the trunk line for longline and the fishing line is made of a synthetic resin such as nylon, polyester or polyolefin. When a monofilament having a flat cross section is used as a core yarn and the core yarn is wrapped around with a multifilament, the multifilament also has a nylon cross section similar to a monofilament having a flat cross section.
It is made from synthetic resins such as polyester and polyolefin. Further, when a plurality of yarns are formed only with multifilaments, the multifilaments are also formed using a synthetic resin such as nylon, polyester, or polyolefin.

[0009] Trunk lines for longlines of various thicknesses are conceivable, but when the main line for longlines is constituted only by monofilaments having a flat cross section, the fineness of the monofilament is 200 to 20.
00 denier is preferred. In addition, when a monofilament having a flat cross section is used as a core yarn, and the core yarn is wrapped around with a multifilament to form a longline for a longline,
The fineness of the core yarn is preferably 200 to 2000 denier, and the fineness of the multifilament wrapping around the core yarn is preferably 500 to 8000 denier, and 6 to 16 multifilaments are used. You.
Furthermore, when a main line for longline is constituted by a yarn wrapped around a core yarn with a multifilament and a plurality of yarns of only a multifilament, a plurality of each yarn of only a multifilament is constituted. The fineness of the multifilament is preferably 1000 to 8000 denier, and 4 to 6 multifilaments are used.
Then, the total denier of each yarn constituting the longline for the longline is adjusted so as to be 100,000 to 120,000 denier, and the cord is tied so as to have an outer diameter of about 4.5 mm.
A trunk line for longline having a tensile strength of about 600 kg was obtained.

[0010] In a general fishing line other than the main line for a longline, when the fishing line is constituted only by a monofilament having a flat cross section, the fineness of the monofilament is 100 to 12
00 denier is preferred. Further, when a monofilament having a flat cross section is used as a core yarn, and the periphery of the core yarn is wrapped with a multifilament to constitute a fishing line, the fineness of the core yarn is preferably 50 to 500 denier. The fineness of the multifilament that wraps around is 50
A denier of 2000 denier is suitable, and 4 to 16 multifilaments are used. Furthermore, when a fishing line is composed of a yarn wrapped around a core yarn with a multifilament and a plurality of multifilament-only yarns, a multifilament constituting a plurality of multifilament-only yarns is used. Fineness is 500-50
Preferably, the denier is 00 denier, and 4 to 16 multifilaments are used. Then, the total denier of each thread constituting the fishing line is adjusted to be 1200 to 2000 denier, and the cord is tied so as to have an outer diameter of about 0.5 mm to obtain a fishing line having a tensile strength of about 25 kg. Was.

FIG. 1 shows a monofilament having a flat cross section, which is used for a longline for trunks and other general fishing lines as described above. When the length of the short axis is b, 2.0 to 10.
0, preferably in the range of 4.0 to 4.0.
It is in the range of 8.0. When a / b is less than 2.0, there is a problem that the shape becomes close to a perfect circle, the rigidity is increased, and the main rope and the fishing line made of the tied rope become too hard, and the workability is deteriorated. When b exceeds 10.0, the flexibility increases, and it becomes as if it were tied with only a multifilament,
There is a problem that it is easy to get entangled and the yarn handling becomes worse.

FIGS. 2 to 4 show different examples of the longline (or fishing line) for longline obtained by the present invention. The longline (or fishing line) for longline shown in FIG. 2 is a monofilament having a flat cross section. It is produced by using 12 yarns 2 made of The longline (or fishing line) for a longline shown in FIG. 3 is manufactured by tying a core yarn 3 made of a monofilament having a flat cross section with 12 multifilaments 4 using 12 yarns 5. . Further, the trunk line (or fishing line) for a longline shown in FIG. 4 uses six yarns 8 in which a core yarn 6 composed of a monofilament having a flat cross section is wrapped with a multifilament 7, and a yarn 10 having only a multifilament 9 is used. It is produced by using six cords.

[0013]

Embodiments of the present invention will be described below.

EXAMPLE 1 Twelve yarns composed of monofilaments having a flat cross section and 8000 deniers were tied using polyester as a material so that the long axis / short axis = 7.0, and the main rope for longline was used. Was prepared.

Example 2 A monofilament having a flat cross section and 1600 denier was used as a core yarn, and the periphery thereof was made of polyester (1000 denier) so that the major axis / minor axis = 7.0. / 96f) Twelve yarns wrapped with × 7 multifilaments were used to make a cord to prepare a longline for longline.

EXAMPLE 3 One monofilament having a flat cross section and 1600 denier is used as a core yarn, and the periphery thereof is made of polyester (1000 denier) so that a major axis / a minor axis = 7.0. / 96f) Six yarns wrapped with × 7 multifilaments were used, and six multifilament-only yarns were used to form a cord, thereby producing a longline for longline.

COMPARATIVE EXAMPLE 1 Twelve yarns made of polyester and made of 8000 denier monofilament having a perfect circular cross section were tied to produce a longline for a longline.

Comparative Example 2 Polyester (1000 denier / 96f) ×
Twelve yarns consisting of only eight multifilaments were used to make a cord, thereby producing a longline for longline.

Table 1 shows Examples 1, 2 and 3 and Comparative Examples 1 and 2.
2 shows the flexibility and abrasion resistance of the longline for longline produced based on No. 2.

[0020]

[Table 1]

The flexibility was evaluated by the following test method. That is, as shown in FIG. 5, one end of the test piece 11 is fixed, a force is applied to the other end from above, and the stress (g) when the moving distance of the other end of the test piece 11 reaches 3 cm is obtained. It was measured with an autograph tester manufactured by Shimadzu Corporation and evaluated by the numerical values.

As shown in FIG. 6, one end of the test main rope 12 is attached to a device 13 having a stroke of 30 rpm, and the other end of the main rope 12 is loaded with a 2 kg load 14 as shown in FIG. The part to be evaluated for abrasion of the trunk rope 12 is in contact with the support rod 16 wound with Emery Paper CC-800 CW No. 15 at right angles, and after a 10 minute wear test, an autograph manufactured by Shimadzu Corporation is manufactured. The strength was measured with a tester, and evaluated by the retention rate against the blank.

From Table 1, it can be seen that the longline for longlines produced in Examples 1 to 3 is neither too hard nor too soft than the longlines for longlines produced in Comparative Examples 1 and 2.
It turns out that it has moderate hardness and has excellent wear resistance.

The embodiment described above is an embodiment relating to a longline for a longline. However, the same cross-sectional structure as that shown in FIGS. It is also possible to configure other general fishing lines other than the longline for a longline so as to have the following.

[0025]

As described above, according to the present invention, by using a monofilament having a cross section in the range of 2.0 to 10.0 in which the major axis / minor axis is flat, the cord is moderately hardened. It is possible to provide a trunk line and a fishing line for a longline excellent in workability, that is, so-called line separation.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a flat monofilament according to the present invention.

FIG. 2 is a sectional view of a longline for a longline according to a first example of the present invention.

FIG. 3 is a sectional view of a longline for a longline according to a second example of the present invention.

FIG. 4 is a sectional view of a longline for a longline according to a third example of the present invention.

FIG. 5 is an explanatory diagram showing a flexibility evaluation method.

FIG. 6 is an explanatory view showing a method for evaluating wear resistance.

[Explanation of symbols]

 Reference Signs List 1 monofilament 2 yarn 3 core yarn 4 multifilament 5 yarn 6 core yarn 7 multifilament 8 yarn 9 multifilament 10 yarn

Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI Technical display location D04C 1/12 A01K 91/00 B

Claims (6)

(57) [Claims] 1. A longline for longline formed by tying a plurality of yarns made of a synthetic resin, wherein each yarn has a major axis / minor axis in a range of 2.0 to 10.0. A trunk line for a longline, wherein a cross section is made of a flat monofilament. 2. A longline for longline formed by using a plurality of yarns made of a synthetic resin, wherein each yarn has a major axis / minor axis in a range of 2.0 to 10.0. A longline for longline, wherein a monofilament having a flat cross section is used as a core yarn, and the core yarn is wrapped around by a multifilament made of a synthetic resin. 3. A longline for a longline formed by using a plurality of yarns made of a synthetic resin, wherein the long axis / short axis = 2.0 to
A monofilament having a flat cross section in the range of 10.0 is used as a core yarn, and the core yarn is composed of a yarn wrapped around a multifilament made of a synthetic resin, and a plurality of yarns including only the multifilament. A trunk line for a longline characterized by the following. 4. A fishing line formed by tying a plurality of yarns made of a synthetic resin, wherein each yarn has a major axis / minor axis = 2.
A fishing line characterized in that a cross section in the range of 0 to 10.0 is made of a flat monofilament. 5. A fishing line formed by tying a plurality of yarns made of a synthetic resin, wherein each yarn has a major axis / minor axis = 2.
A fishing line characterized in that a monofilament having a flat cross section in the range of 0 to 10.0 is used as a core yarn, and the core yarn is wrapped around by a multifilament made of a synthetic resin. 6. A fishing line made by using a plurality of yarns made of a synthetic resin, and having a major axis / minor axis = 2.0-10.
A monofilament having a flat cross section in the range of 0 is used as a core yarn, and the core yarn is composed of a yarn wrapped around a multifilament made of a synthetic resin, and a plurality of multifilament-only yarns. And fishing line.