Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
  • A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
  • D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
  • D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials

Definitions

• the present invention relates to a synthetic fiber monofilament network suitable for use in aquaculture and the like.
• wire mesh formed from metal wires such as iron wire has been used as a net for fences and fish cages for aquaculture, but these are rust resistant. Because of the severe corrosion, the durability is poor and there are many practical problems. Also, a net having a quadrilateral network formed by entangled shaped synthetic resin monofilaments as shown in FIG. 1 is known. When this is applied to the above-mentioned applications, no rust is generated, so that excellent durability can be expected. However, the synthetic fiber monofilament network from the configuration shown in Fig. 1 is insufficiently fixed at the connection part a, and is used, for example, for aquaculture.
• an object of the present invention is to improve the drawbacks of the above-mentioned conventional synthetic fiber monofilament network, to improve the mesh reversion, to prevent deformation and abrasion, and to improve durability.
• PROBLEM TO BE SOLVED To provide a synthetic fiber monofilament net having excellent properties and strength.
• a synthetic fiber monofilament is twisted together] 3, a straight side and a twisted side] 3.
• Reinforcement sides comprising twisted portions of number 2 or more are alternately formed.
• a mesh consisting of a set of continuous meshes.Each mesh has six crossover turning points, and at least two sides of the mesh are formed by reinforcing edges. [9] To provide a net made of synthetic fiber monofilament, characterized in that all opposing sides of the mesh are straight sides or reinforcing sides.
• the reinforced side is composed of a set of meshes that are alternately interrupted, and each mesh has six fulcrum points and at least two sides of the mesh are formed by reinforced sides.
• all the opposing sides of the mesh form a net-like body that is a straight side or a reinforcing side, and then the (i: I) jiS is characterized by cooling and fixing the extracted body.
• FIG. 3 is a plan view showing an example of an improved embodiment of the mesh shown in FIG. ) ⁇
• FIG. 4 is a plan view showing an example of a mesh body of the present invention having a quadrangular mesh.
• FIG. 5 is a plan view showing an example of a mesh body of the present invention having a hexagonal mesh, and having a twisted reinforcing portion having both a right-handed twist D and a left-handed twist.
• FIG. 6 is a plan view showing an example of an improved embodiment of the mesh shown in FIG.
• Fig. 7 has a quadrangular mesh, with the twisted reinforcement part on the right
• FIG. 1 is a plan view showing an example of a mesh body of the present invention having both a twist] 9 and a left twist].
• FIG. 2 shows an example of the reticulated body of the present invention.
• the reticulated body crosses a plurality of synthetic fiber monofilaments with each other, and forms a crossing point, for example, a crossover deflection. Twist of point a, twist at left or right at the center point of 3 alignments] ?? 3 ⁇ 4, a single monofilament; ⁇
• the linear part 1 hereinafter, referred to as “straight side” and the two monofilaments are burned together
• the reinforced part 2 hereinafter, referred to as “reinforced side” Has a mesh structure that forms a hexagonal mesh 3 that is alternately continuous.
• crossover turning point means that each monofilament constituting the mesh is twisted with an adjacent monofilament to bend in a wavy manner. The point at which a transition from a state to a linear state occurs.
• a and b are crossover turning points.
• the number of rubbing of the reinforcing side is 2 or more, preferably 3 to 6.
• the shape of the mesh 3 is a hexagon having six fulcrums], and the reinforcing side 2 itself constitutes at least two sides. Excellent reinforcement effect and durability can get
• FIG. 3 shows an improved embodiment of the synthetic fiber monofilament network of the present invention shown in FIG. This bark shows a further enhanced reinforcing effect compared to the one in Fig. 2.
• the reticulated body in FIG. 3 has a straight side 1 and a reinforcing side 2 and / or another monofilament having a linear form on the reinforcing side 2 in the square mesh 3. It is a combination of five. In other words, each mesh 3 consisting of two monofilaments is embedded with five other monofilaments that divide the hexagon into two. It will be.
• the reinforcing side 2 has higher strength, and the mesh 3 is also reinforced by the linear monofilament 5 to further improve the shape retention of the mesh. 0 ⁇
• FIG. 4 shows another embodiment of the synthetic steel monofilament network of the present invention, in which the shape of the mesh 3 is formed in a square.
• the straight side 1 and the reinforcing side 2 are continuous with each other, but the next reinforcing side extends at a right angle from the midpoint of the straight side. Therefore, even though the shape of the mesh 3 is quadrangle as a whole, it has six crossover turning points, and as with the hexagonal stitch shown in FIG. Fig. 5 showing durability shows yet another embodiment of the i-puller of the present invention, in which each reinforcing side 2 of the mesh 3 holds both right and left rubbing collars j9 together. are doing.
• mesh 3 Reinforcement side 2 has a rub at the midpoint between the crossover turning points at both ends of the reinforcement side 2] and the directions of the upper and lower fuels are different.
• Fig. 6 shows the mesh of the invention.
• another embodiment is shown, in which a monofilament 5 in a linear state is incorporated in the mesh shown in FIG. 5 and reinforced.
• FIG. 7 shows still another embodiment of the reticulated body of the present invention.
• the reticulated body is similar to the reticulated body shown in FIG. 4, but is similar to the reticulated body of FIG.
• the reinforcement side 2 has a large number of twists, and the reinforcement side is provided with both right-hand twists and left-hand twists) as well as those in Figs. 5 and 6. They differ in this respect.
• Figures 5, 6 and 7 show meshes with meshes with both right-handed and left-handed twists added to the reinforcing sides as shown in Figures 2, 3 and 3. And has the same durability and strength as the mesh shown in Fig. 4 and can be easily twisted in the mesh manufacturing process as compared with the mesh shown in Figs. There is an advantage that it can be manufactured with a simple netting machine.
• thermoplastic polymer filament having heat fixability can be used as the synthetic fiber monofilament used for the production of the network of the present invention.
• This mono-filament method can be produced by spinning a fiber-forming thermoplastic polymer according to a conventional method.
• the thermoplastic polymers used are Nikon 6, Nilon 66,
• the monofilament can contain coloring agents, pigments, weathering agents, antiwear agents, softeners V anti-algal agents, flame retardants, etc.
• the desired additives can be added.
• the diameter of these monofilaments is not particularly limited, it is usually preferable to use a diameter of 0.3 to 3 OTI.
• an ordinary net-making machine can be used.
• the monofilament in order to make the synthetic fiber monofilament bendable and formable, the monofilament must be heated to its secondary transfer temperature or higher prior to net-making. Therefore, it is necessary to preheat to a temperature lower than its melting point or lower than its softening point.
• a normal hot air bath, a heating medium bath, a heating plate or any other means can be employed.
• the monofilament is formed into a net, and then cooled to fix the shape.5)
• the desired net can be obtained. Therefore, the net of the present invention can be obtained.
• the body is like an oven on the upstream side of the screen-making machine used in the production of ordinary wire mesh.
• it is necessary to provide a framework to stabilize the mesh connection because the connection is inferior in fixation. It wasn't perfect for the occasional typhoon. In other words, the shape changes at the joint of the bent shape, the shape of the shape changes, and flipping occurs.), And further, wear occurs. Good.
• the reticulated body of the present invention can achieve its function with a framework having a very simple structure since the connecting portion has good fixation.
• the reticulated body of the present invention is used not only for aquaculture, but also for livestock shacks, baseball stadiums, tennis courts, sports stadiums, golf stadiums, and other sports stadiums. Nets or nets for parks, roads, homes, etc. It can be widely used as a fence.
• a net having the stitches shown in FIGS. 2 and 3 was manufactured.
• a monofilament feeding device and an air heating oven are installed in front of the standard turtle netting machine made by Asano Ironwork, and the ⁇ - The equipment equipped with a cooling gas blowing device was used.
• the net was made so that Next, the reticulated body exiting the net-making machine is passed through a metal roll provided immediately after the net-making machine, and the air of 20 to 30 mm is blown at an air volume of 0.3 to 0.5 m. After cooling, the shape was fixed.
• the obtained reticulated body (hereinafter referred to as reticulated body) has a regular hexagonal mesh of 3.5 CH on one side (see Fig. 2), and the reticulated body (A) is manufactured.
• a mesh is prepared by the same technique as above, except that the strength of the mesh is reduced, and a linear body with a diameter of 2.7 is formed between the meshes of the obtained mesh.
• Re-entrant reference monofilament Then, a mesh having a reinforcing type structure as shown in Fig. 3 (hereinafter referred to as mesh (B)) was manufactured.
• an iron wire with a diameter of 2.7 mm is supplied to the same net-making machine as above, and the side of the wire is below a wire mesh having a regular hexagonal mesh with a 3.5 CTI shape as shown in Fig. 2). Call it. ) was manufactured.
• net (E) A monofilament net having a rhombic network with four sides as shown in Fig. 1 is manufactured by interlacing in a conventional manner. did.
• the evaluation criteria for each characteristic are as follows.
• the mesh is reversed starting from the crossover point of the mesh, and the next OMPI Shows the state of overlapping with the contacting mesh.
• Each crossover point in the mesh is a tidal current, etc.] 9 This indicates a state in which friction occurs and wear occurs mutually. Wear is a cause of mesh damage.
• Table 1 shows the wear rate expressed by the following equation.
• O PI And (B) are metal meshes (Q and (D) and
• the sex is extremely easy.

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• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Environmental Sciences (AREA)
• Manufacturing & Machinery (AREA)
• Textile Engineering (AREA)
• Marine Sciences & Fisheries (AREA)
• Animal Husbandry (AREA)
• Biodiversity & Conservation Biology (AREA)
• Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
• Farming Of Fish And Shellfish (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=12790692

Family Applications (1)

Country Status (2)

Cited By (6)

Families Citing this family (7)

Citations (1)

Family Cites Families (3)

• 1979
  • 1979-04-20 JP JP4798879A patent/JPS55142753A/ja active Granted
• 1980
  • 1980-04-19 WO PCT/JP1980/000079 patent/WO1980002299A1/ja unknown

Patent Citations (1)

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