JPS61199737A - Twine and net cloth for fishing net and gill net - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to, for example, a gillnet for salmon and trout, a fabric used in this gillnet, and a twine for fishing nets used in this fabric.

(Technical background of the invention and its problems) It is known that gillnets for salmon and trout are made using fishing net thread made of nylon or polypropylene filaments, but in certain countries, gillnets made of In some cases, there are restrictions on the fishing net line that can be used.

In other words, in Alaska fishing grounds, salmon,
The fishing net system that makes up gillnets for trout has been designed to have 30 or more filaments to limit the amount of fish caught.

3 by nM for multifilament and monofilament
As a technical means for making driftnets and gillnets using fishing net thread (twine) made of zero or more filaments, as described in U.S. Pat. Fishing nets made of twisted strands...Twine, as described in U.S. Patent No. 3,329,061, a core made of multiple multifilaments twisted together, and multiple filaments twisted in the opposite direction. Fishing net yarn is known, which is made by combining monofilament with twisted side yarns and twisting them in the same direction as the core.

[Problems with background technology]

However, in the twine for fishing nets using the above-mentioned technical means, only the multifilaments are pre-twisted, so many uneven surfaces are formed on the surface of the twisted yarn, leading to diffuse reflection of light, reducing transparency in the water, and causing the fishing net to become untwisted. When knitted, there are drawbacks such as the knots tend to shift, lack of eye-metal stability, and reduce the net placement rate.

[Purpose of the invention]

The present invention has been made in view of the above points, and it reduces diffused reflection of light to improve transparency in water, reduces the difference in elongation between multifilament and monofilament, increases cutting strength, and reduces nodules. A twine for fishing nets that can prevent slippage and increase the stability of the eyelets.
The purpose is to provide netting and gill netting.

[Summary of the invention]

The fishing net twine of the present invention is made by twisting one or more strands made of one monofilament, one or more multifilaments, and at least one monofilament. It is a combination.

The net fabric of the present invention is made by twisting one or more strands made of one monofilament, a twisted strand made by twisting one or more multifilaments and at least one monofilament. It is made by forming knots at predetermined intervals using fishing net twine.

The gill net of the present invention is made by twisting one or more strands made of one monofilament, a twisted strand made by twisting one or more multifilaments and at least one monofilament. It is made by attaching ropes, floats, floats, sinkers, and ropes to a net fabric made using twine for fishing nets and forming knots at predetermined intervals.

[Embodiments of the invention]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a part of a net fabric 2 made using fishing net twines 1 according to the present invention, and each fishing net twine 1, 1, . It is made to thicken to form knots 3 to form a net fabric.

The fishing net twine 1 has a diameter of 0 as shown in FIG.
．． Strand bundle 5 is made up of 5 strands of 204m+ (equivalent to 335 denier) thick iron monofilament strand 4, and 210 is made up of 24 filaments.
1 denier nylon multifilament untwisted yarn 6
and a twisted strand 8 of one nylon monofilament 7 having a diameter of 0.2.04 m (equivalent to 335 denier).

In other words, the twine 1 for fishing nets is not constructed by heating only the multifilament alone, but instead consists of untwisted multifilament wrapped around a monofilament with a large diameter, thereby suppressing the diffused reflection of light due to twisting. You will get it.

The nylon multifilaments 1 to 1 of the non-twisted yarn 6 include those having a twist count of about 15 twists per meter, which are pre-twisted during spinning.

The twine 1 for fishing nets is produced by dyeing the multifilament 6 of the twisted strand 8 in the same color and dark color as the monofilament 4 and the monofila 2 mendor, resulting in a single monofilament that has excellent transparency when placed underwater as a fishing net. The dark-colored multifilaments stand out when seen through the twine, creating an illusory appearance that is thinner than the actual twine diameter, which improves the mesh placement rate.

FIG. 4 shows another embodiment of the present invention. In this embodiment, one strand 5 made of nylon monofilament 4 with a diameter of 0.204 m + (equivalent to 335 denier) and 24 filaments consisting of 2
It is made by twisting together a twisted strand 8 consisting of one untwisted yarn 6 of 10 denier nylon multifilament and five nylon monofilaments 7 having a diameter of 0.204411 (equivalent to 335 denier).

In the above embodiments, it is preferable that the monofilaments or multifilaments constituting the strand have the same diameter, but if necessary, a strand made by twisting together two or more types of monofilaments or multifilaments with different diameters may be used. Of course, that's fine.

In addition, it goes without saying that the strand 4 made of one monofilament may be pre-twisted on the right or left side or not, but the direction in which the strand bundle 5 and the twisted strand 8 are twisted together is fine. may be the same or opposite to the direction in which the twisted strands 8 are twisted.

FIG. 6 shows a schematic diagram of a gillnet made according to the present invention, in which a loaf 9 is fixed along one end side of a net fabric 2 made of twine 1 for fishing nets, and a loaf 9 is fixed along the longitudinal direction of the loaf 19. At the same time, floats 10, 10, . 13
It is configured with the following.

(Effects of the Invention) As described above, according to the present invention, since the untwisted multifilament is configured to wrap around the monofilament, the diffused reflection of light is reduced and the transparency of the twine is improved. In addition, in the net fabric made from this material, the unevenness of the fishing net twine surface due to the twisted strands acts to prevent slippage, so the knots do not shift and the eyelet stability is improved.

Furthermore, gillnets made from this net fabric are excellent in transparency, making them suitable for use with nets for target fish. In addition, since the knots are hard to shift and the mesh is stable, fish caught in the mesh are less likely to fall off, improving fishing efficiency.

Furthermore, by dyeing the multifilament in a darker color than the monofilament, the apparent diameter appears thinner than the actual diameter, and the weave ratio is further improved.

[Brief explanation of the drawing]

FIG. 1 is a partial plan view of a fishing net using the twine for fishing net according to the present invention, FIG. 2 is a partial side view of the twine for fishing net according to the present invention, FIG. 3 is a sectional view of the same, and FIG. FIG. 5 is a sectional view of the same, and FIG. 6 is a schematic diagram of a finished gill net. 1... Twine for fishing nets, 2... Net fabric, 4... Strand consisting of one monofilament, 8... Twisted strand. Applicant's agent Kiyohiro Inomata Figure 1 Figure 3 Figure 4

Claims (1)

[Claims] 1. A twisted strand made by twisting one or more strands made of one monofilament, one or more multifilaments, and at least one monofilament. Twine for fishing nets. 2. The twine for fishing nets according to claim 1, characterized in that the multifilament is dyed a darker color than the monofilament. 3. A net fabric made using the twine for fishing nets described in 1 to 2 above so as to form knots at predetermined intervals. 4. A gillnet made into a completed product by using the net fabric described in 3 above and attaching floats, ropes, or floats, sinkers, and ropes.