KR20230143284A - Coir net - Google Patents

Abstract

The present invention relates to a core net used for slope greening. A plurality of weft yarns 120 are arranged in a zigzag manner along parallel warp yarns 110, and the warp yarns 110 and weft yarns 120 are formed using binding yarns 130. ) is bound in a net state, with two rows of auxiliary warp yarns 112 and 114 arranged above and below at the border of the weft yarn 120 arranged in a zigzag manner, and the warp yarn 110 and By binding the auxiliary warp yarns 112 and 114 and the weft yarn 120, it is possible to prevent the core net 100 from being stretched excessively when subjected to a tensile force in the lateral direction, thereby widening the gap between the warp yarns or distorting the shape of the mesh. It is supposed to be there.

Description

Coir net {Coir net}

The present invention relates to a core net used for slope greening. In detail, a plurality of weft yarns are arranged in a zigzag manner along parallel arranged warp yarns, and the weft yarns and warp yarns are tied together in a net state with binding yarns, but arranged in a zigzag manner. Two rows of auxiliary warp threads, upper and lower, were placed at the border of the weft yarn and bound with binding yarns to prevent tensile deformation in the transverse direction.

In general, “coir net” refers to a net for vegetation consisting of a coarse net structure made of natural coconut fruit fibers woven horizontally and vertically to have a large number of accommodation spaces. The warp and warp are woven into a coarse net structure by hand, providing excellent durability and tensile strength, excellent heat retention and moisture retention, and are effective in seed germination and rooting. It is used to cover slopes to prevent erosion or collapse.

In particular, core net has the advantage of being easy to construct due to the water retention and lightness of natural fibers, and above all, being environmentally friendly and inexpensive. On the other hand, as can be seen in the actual photo of Figure 1, the conventional core net is woven by hand into a coarse root net structure, so the weft and warp yarns are easily disturbed, and the weft and warp yarns do not maintain uniform spacing and fall to one side. As it is tilted, the soil on the slope of the internal cut is exposed as is, and when cut to the length of the construction site, the yarn (weft and warp) comes loose, so the loss rate at the construction site is quite high, reaching approximately 30%, and in the roll state, the If you try to roll it up again after unfolding it or pack it up and then try to unfold it again, there is a problem in that the adult muscle tissue and the coarse fluff of the weft and warp yarns become entangled with each other and do not unfold properly, making it impossible to use.

The core net of Patent Document 1 was developed by the present inventor, which maintains the advantages of the existing core net, solves the problems of loosening, tilting, and loosening of threads, which were the disadvantages of the existing core net, and reduces the unit price (manufacturing cost). ) is not much different from the existing core net, so that it can be price competitive, as shown in Figure 2, a plurality of weft yarns (20) are arranged perpendicular to a plurality of warp yarns (10) arranged in parallel by a predetermined width (W). It is laid in a zigzag manner and fixed to the slope with binding yarn (30).

On the other hand, in the core net of Patent Document 1 described above, a plurality of wefts 20 are laid in a zigzag state, and the wefts 20 arranged zigzagly on the left and right sides of one warp 10 at the boundary portion are tied with the binding yarn 30. ), but when the woven core net is pulled in the direction of the weft (20), that is, in the left and right directions (width direction or transverse direction), the adjacent weft (20) portion is tied to one row of warp threads (10). Since it is only bound at (30), a problem of excessive opening occurs, distorting the shape of the mesh, resulting in transverse tension that did not occur in the existing plain weave core net as shown in Figure 1. Due to defects in deformation, delivery and construction were impossible.

The present inventor attempted to solve the above-mentioned problems by developing the core net weaving device of Patent Document 2, which supplies a plurality of warp yarns 1 at regular intervals as shown in FIG. 3, and the core net weaving device is After placing one row of weft threads (2) across the entire width at right angles across the warp thread (1), the intersection of the weft thread (2) and the warp thread (1) is tied with the binding thread (3), thereby forming the above-mentioned weft thread (2). ) direction has been solved, but in the weaving process, it takes a considerable amount of time to continuously supply one row of weft yarns (2) in a zigzag manner across the entire width of the core net, as well as the wide (more than 2 m) core net It was technically impossible to weave, so productivity was low and the production cost of the product was high, so it had the disadvantage of not being price competitive compared to manually plain woven core nets imported from Southeast Asia and other countries.

Faced with the above problems, the present inventor, after many years of trial and error, completed a core net with an improved structure that can solve the shortcomings of the plain weave core net and the core net of Patent Document 1 and Patent Document 2. It has been done.

Korea Open Practice No. 20-2014-0005217 (published on October 7, 2014) Korean Patent No. 10-1757678 (registered on July 7, 2017)

Therefore, the present invention was created to solve the above problems, and the object of the present invention is to provide an improved structure that allows weaving to any desired width, maintains tensile strain in the weft direction below the standard value, and has excellent productivity. The aim is to provide a core net having.

In order to achieve the above object, the present invention arranges a plurality of weft yarns in a zigzag manner along the warp spaced apart in parallel, binds the weft yarn and the warp yarn in a net state with binding yarns, and binds the weft yarn and the warp yarn in a net state, with two upper and lower two yarns at the boundaries of the weft yarns arranged in a zigzag manner. Provided is a core net with an improved weaving structure that prevents tensile deformation in the transverse direction by binding two rows of auxiliary warp yarns and weft yarns with binding yarns while the auxiliary warp yarns of the rows are arranged.

According to the present invention, by arranging a plurality of weft yarns in a zigzag state at a predetermined width and binding them with a binding yarn, the weaving speed can be improved compared to the existing structure in which a single row of weft yarns is arranged in a zigzag state across the entire width and bound. , By binding two rows of auxiliary warp yarns at the top and bottom at the boundary between weft yarns adjacent to each other on the left and right, the bonding strength between adjacent weft yarns is improved, thereby preventing the mesh from being disturbed due to tensile deformation in the lateral direction. Since it does not occur, it can effectively prevent soil loss when installed on a slope, and can significantly improve weaving speed compared to the existing method of working by repeatedly sliding a single row of weft threads in a zigzag manner across the entire width. It has a useful effect.

Figure 1 is an actual photograph of a core net woven conventionally by hand;
Figure 2 is an enlarged view of the core net of Patent Document 1;
Figure 3 is an enlarged view of the core net of Patent Document 2;
Figure 4 is a perspective view of the core net according to the present invention;
5 is an enlarged plan view of the core net according to the present invention;
Figure 6 is an enlarged perspective view of part A of Figure 4.

Hereinafter, preferred embodiments that do not limit the present invention will be described in detail with reference to the attached drawings.

4 to 6 show a core net 100 according to the present invention, which has a plurality of weft yarns 120 zigzagly arranged along the warp yarns 110 arranged in parallel and spaced apart, and the warp yarn is formed with the binding yarn 130. (110) and the weft (120) are bound in a net state, and two rows of auxiliary warp yarns (112, 114) are arranged up and down at the border of the weft (120) arranged in a zigzag manner, and then the binding yarn (130) is tied together. By binding the warp yarn 110, the auxiliary warp yarns 112 and 114 and the weft yarn 120, when the core net 100 receives a tensile force in the lateral direction, it is excessively stretched, causing the gap between the warp yarns to widen or form a mesh. It is designed to prevent distortion.

In general, core nets are woven with a width of about 2 m and a length of about 20 m, so the core net 100 according to the present invention can also be transported and stored by having a width (W) of 2 m and a length of about 20 m, wound in a roll, and woven to a length of about 20 m. It is desirable to have it, but of course, the width of the core net 100 can be manufactured as wide as 2 m or more, or custom-made as narrow as 1 m, if necessary.

In addition, in the present invention, when the core net (N) is manufactured with a width of 2 m, the left and right spacing of the warp yarn 110 is about 3 to 5 cm, and the top and bottom spacing of the weft 120 is also about 3 to 5 cm. Weaving can be done by tying the weft 120 to the warp 110 with the binding yarn 130 while laying one weft 120 in a zigzag manner over 5 to 6 warp yarns 110.

Meanwhile, the binding yarn 130 is made of cotton yarn or synthetic fiber yarn and is sewn to wrap around the warp yarn 110 in a continuous knitting manner to bind the weft yarn 120 to the warp yarn 110. The binding yarn 130 is a warp yarn 130. Since it is woven to surround the warp yarn 110 in a continuous and tight zigzag manner along (110), it serves to bind the weft yarn 120 to the warp yarn 110 at the point where the weft yarn 120 intersects, thereby forming the weft yarn 120. This prevents the weaving pattern of the warp yarns 110, that is, a mesh-like (lattice-like) woven shape, from being disturbed.

Moreover, the core net 100 of the present invention does not cause disorganization or tilting of the weft and warp yarns compared to the existing core net woven plainly by hand (Figure 1), and the core net 100 is cut in the longitudinal or width direction. Even so, there is an advantage in minimizing the loss rate of the core net because the phenomenon of unraveling does not occur.

In addition, the core net 100 of the present invention has two rows of upper and lower auxiliary warp yarns 112 and 114 at the boundary between the weft yarn 120 and the weft yarn 120, which are arranged in a zigzag state at a predetermined width, on both sides of the weft yarn 120. Since the binding yarn 130 is tied in a way that simultaneously binds the auxiliary warp yarns 112 and 114 and the reversed part of the weft yarn 120 in a state in which the reversed part is misaligned, the binding force between the left and right adjacent weft yarns 120 As this becomes stronger, as in Patent Document 1, the problem that occurred in a structure in which the inverted portions of the weft adjacent to the left and right of only one warp line were bound with binding yarns, that is, when the core net is pulled in the width or transverse direction, which is the direction of the weft, adjacent wefts are separated from each other. Since it is only tied to one row of warp yarn with a binding thread, the problem of excessive opening can be solved.

In the present invention, the two rows of auxiliary warp yarns 112 and 114 can be made of coconut fiber yarn, which is the same material as the general warp yarn 110 used in other areas, or jute yarn, a natural material with a softer surface roughness than palm fiber yarn, can be used. The thickness of the auxiliary warp yarns 112 and 114 is thinner than that of the general warp yarn 110 used in other parts, so that the binding portion between the two rows of auxiliary warp yarns 112 and 114 and the weft 120 adjacent to the left and right is normal. It is desirable to ensure that the thickness of the binding area between the warp 110 and the weft 120 is similar to that of the binding area between the warp yarns 110 and the weft 120 so that the binding area between adjacent weft yarns is not clearly visible to the naked eye when rolled and transported or laid.

As described above, the core net according to the present invention has a structure in which a plurality of weft yarns are arranged in a zigzag state at a predetermined width and bound with binding yarns, thereby replacing the existing structure where one row of weft yarns is arranged in a zigzag state across the entire width and bound. Compared to this, weaving speed can be improved, and by binding two rows of auxiliary warp yarns at the top and bottom at the boundary between weft yarns, the bond strength between adjacent weft yarns is improved, thereby reducing tensile deformation in the transverse direction. Since there is no disruption of the mesh, it is possible to effectively prevent soil loss when installed on a slope, and compared to the method of working by repeatedly sliding one row of weft threads in a zigzag across the entire width as shown in Patent Document 2, There is an advantage in that the weaving speed can be significantly improved, thereby improving productivity, thereby providing superior quality domestically produced core nets.

100: Core Net
110: slope
112,114: Auxiliary slope
120: weft
130: Binding Temple

Claims (3)

While arranging a plurality of weft yarns 120 in a zigzag manner along the warp yarns 110 arranged in parallel and spaced apart, the warp yarn 110 and the weft yarn 120 are tied together in a net state with the binding yarn 130, and the left and right weft yarns arranged in a zigzag manner ( With two rows of auxiliary warp yarns 112 and 114 arranged above and below at the border of 120), the weft 120 and warp yarn 110 and the auxiliary warp yarn 112 and 114 and weft yarn 120 are tied together with binding yarn 130. A core net characterized in that the core net (100) is bound to prevent the core net (100) from being stretched excessively when subjected to a tensile force in the transverse direction, thereby widening the gap between warps or distorting the shape of the mesh.
In claim 1,
At the boundary portion of the weft yarns 120 adjacent to the left and right, the binding yarn 130 is inserted with the inverted portions on both sides of the weft yarn 120 bent in a zigzag manner between the upper and lower two rows of auxiliary warp yarns 112 and 114. ) A core net characterized in that the auxiliary warp yarns (112, 114) and the inverted portion of the weft yarn (120) are simultaneously bound together.
In claim 2,
The auxiliary warp yarns (112, 114) use palm fiber yarn or jute yarn, but the thickness of the auxiliary warp yarn (112, 114) is thinner than the thickness of the general warp yarn (110) used in other parts, so that two rows of auxiliary warp yarns (112, 114) are formed. A core net characterized in that the binding portion with the adjacent weft yarn 120, which is shifted left and right, is similar to the thickness of the binding portion between the general warp yarn 110 and the weft yarn 120.