JPS62259529A - Rope for long line fishing - 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 <Industrial Application Field> The present invention relates to a longline rope used in longline fishing, which is carried out in deep-sea fishing, coastal fishing, and the like. In particular, the present invention relates to a rope for stretching longline that has excellent abrasion resistance and abrasion resistance when hoisting and tying longline using a hoisting machine.

<Prior art> In general, longline fishing involves the largest scale of fishing gear among fishing fisheries, and the length of the main line for pelagic tuna is 100 to 150 km, and even those used on the coast are rarely around 10 km in total length. do not have.

Conventional fiber ropes for wire stretching include vinylon, tetron,
Synthetic fibers such as nylon have been mainly used, but the main line is very long, so when line hauling is done with a line hauler attached to a fishing boat, the main line may rub against the hull or line hauler. Often damaged during operation. Especially when a large number of tuna, etc. with a body length of 2 to 3 meters are caught,
Due to the high contact pressure applied to the line hauler, wear and tear can be severe and the trunk may even be severed.

<Object of the Invention> The present invention has been made in order to solve such problems in conventional long lines. That is, the object of the present invention is to provide a longline rope with improved friction resistance and abrasion resistance when hoisting longlines in longline fishing.

<Structure of the Invention> That is, the present invention provides a longline fishing rope comprising a synthetic fiber rope coated with a resin, characterized in that filament yarns having a large number of fluffs are disposed on the surface of the fiber rope. It's a rope.

Here, the synthetic m-fiber is normally used for longline fishing. For example, synthetic fibers such as polyvinyl alcohol, polyamide, and polyester can be used.

In the present invention, a filament yarn having a large number of fuzz means M loops and slack on the fiber surface.

It is a filament yarn with fluff, etc. The processing method for obtaining such filament yarn is the abrasion method.

There are air injection methods, woolly processing methods, etc. In order to provide the strength, elongation, etc. required for the drawing rope, it is preferable to use a processed filament yarn obtained by a method such as air turbulence processing, such as taslan processing.

Next, an outline of one example of the manufacturing process of the rope for stretching of the present invention will be explained. First, a plurality of polyester or nylon multifilament yarns are used as the core yarn, and a plurality of polyester taslan processed yarns are used as the covering yarn (covering yarn). A plurality of the wrapped yarns are twisted together to form a strand, and a plurality of the strands are further twisted to produce a fiber rope. Next, the rope is heat-treated to fix the twist, and then treated with resin to obtain a stretched fishing rope.

<Effects of the Invention> The longline fishing rope of the present invention has extremely high wear resistance compared to conventional ropes, and can be used for a long period of time in longline fishing.

<Example> The method for manufacturing the stretched fishing rope of the present invention will be illustrated below. In the examples, strength and elongation and abrasion resistance were measured under the following conditions.

Strength and elongation tester type: Constant speed tension type Grip interval: 50cm Tensile speed: 15cm/min Temperature and humidity: 19℃, 63
%RH abrasion resistance tester type; Rope abrasion tester abrasion element; diamond-shaped hard finish 150mm diameter #24 (100
r, p, m) Number of strokes: 50/min (working width 25 cm) Number of revolutions: 25 times/min Load: 7 kg Example 1 First, polyester Taslan processed yarn was created under the following conditions.

Supply fiber A: polyethylene terephthalate fiber with a total fineness of 1000 denier and 250 filaments Supply fiber B: polyethylene terephthalate fiber with a total fineness of 150 denier and 48 filaments Taslan Processing speed: 47 ml/min.

Overweed ratio: Supply fiber B at +8% to fiber A Pneumatic pressure: 6.0 kg/cm2 Draft 20.3% The apparent fineness of the obtained Taslan processed yarn is 1250
It was denier.

Next, 10 polyethylene terephthalate fibers with a total fineness of 1,000 denier and 250 filaments were tied together to form a core yarn, and the above-mentioned 8 Taslan processed yarns were used as a covering yarn to create a wrapped yarn while adding a first twist.

A medium twist was added to the three wrapped yarns obtained and twisted together to obtain a strand.

The three obtained strands were combined and twisted while adding ply twist to obtain a fiber rope.

The resulting fiber rope was dried by passing it through a hot water bath at 90°C for about 20 to 30 seconds, then treated with a terpene-based resin composition (Netter; Toyo Organic ■), and then dried to become a longline fishing rope. did.

Table 1 shows the results of measuring the strength, elongation, and abrasion resistance of the obtained rope.

Comparative example 1 Single yarn fineness 5 denier instead of Taslan processed yarn.

A fiber rope was prepared in the same manner as in Example 1, except that polyethylene terephthalate filament yarn with a total fineness of 1,500 denier and not subjected to taslan processing was used, and a rope for fiber fishing was similarly treated with resin. did.

The obtained products were similarly evaluated and the results are shown in Table 1.

Comparative Example 2 A fiber rope was produced in the same manner as in Example 1, except that a spun yarn of No. 10 single yarn made of polyethylene terephthalate short fibers with a single yarn fineness of 5 denier and a fiber length of 68 mm was used instead of the Taslan processed yarn. It was made and treated with resin in the same way as a longline fishing rope. The obtained products were similarly evaluated and the results are shown in Table 1.

Claims (1)

[Claims] 1. A longline fishing rope comprising a synthetic fiber rope coated with a resin, characterized in that filament threads having a large number of fluffs are arranged on the surface of the fiber rope.