JP4431426B2 - A net formed of Russell network - Google Patents

A net formed of Russell network Download PDF

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Publication number
JP4431426B2
JP4431426B2 JP2004075865A JP2004075865A JP4431426B2 JP 4431426 B2 JP4431426 B2 JP 4431426B2 JP 2004075865 A JP2004075865 A JP 2004075865A JP 2004075865 A JP2004075865 A JP 2004075865A JP 4431426 B2 JP4431426 B2 JP 4431426B2
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net
course
driving density
density
russell
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JP2005264362A5 (en
JP2005264362A (en
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康貴 黒田
神谷  邦明
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Kyowa Co Ltd
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Kyowa Co Ltd
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Description

本発明は、脚部の打込密度を結節部の打込密度より大きくした、ラッセル網地で形成したネットに関する。さらに詳細には、脚部の打込密度Mが結節部の打込密度Nを超えるラッセル網地で形成したネットである。   The present invention relates to a net formed of a Russell net, in which the driving density of legs is larger than the driving density of knots. More specifically, it is a net formed of a Russell network where the driving density M of the legs exceeds the driving density N of the knots.

従来用いられているラッセル網地のネットは、脚部の打込密度が結節部の打込密度とほぼ同じであった。
そのためネットを開張すると目開きが悪く、目戻りが大きいので、カットしたりロープを通す加工が困難となり、施工の際、目を開けながらの取り付けとなるので取り付けが容易でなく、手数がかかる問題があった。
また取り付けについて説明すると、従来用いられているネットはネットの上端と下端は所定の寸法に伸ばして取りつけられるが、中間部は目戻りして復元するため取り付けられたネットは鼓型となる傾向が大きい。
特開平6−240885号公報
Conventionally used nets of the Russell network have the same driving density at the legs as the driving density at the knots.
Therefore, when the net is opened, the opening is bad and the return is large, so it is difficult to cut or pass through the rope. was there.
In addition, when explaining the attachment, the net used in the past is attached with the upper and lower ends of the net extended to a predetermined size, but the attached net tends to be a drum shape because the middle part is restored and restored. large.
JP-A-6-240885

本発明は、目開きがよく、施工効率がよいラッセル網地のネットを提供する。   The present invention provides a net of a Russell network with good mesh opening and good construction efficiency.

本発明は、
「1.ラッセル編みした網地で形成したネットであって、網の脚部の打込密度(M)と結節部の打込密度(N)がN≦M×0.9の関係を満足する値であることを特徴とする、ラッセル編みした網地で形成したネット。
.脚部の打込密度(M)と結節部の打込密度(N)がN≦M×0.8の関係を満足する値である、1項に記載されたラッセル網地で形成したネット
.縮合燐酸エステル化合物又はホスファゼン系難燃剤で処理した難燃糸で形成されたネットである、1項又は2項に記載されたラッセル網地で形成したネット。
.縮合燐酸エステル化合物又はホスファゼン系難燃剤を含浸被覆したネットである、1項又は2項に記載されたラッセル網地で形成したネット。
.ラッセル網地が合成繊維のマルチフィラメントで形成された網地である、1項ないし項のいずれか1項に記載されたラッセル網地で形成したネット。」
に関する。
The present invention
“1. A net formed of a mesh fabric knitted with Russell knitting, and the implantation density (M) of the mesh leg and the implantation density (N) of the knot satisfy the relationship N ≦ M × 0.9. A net formed of a raschel knitted mesh, characterized by value .
2 . The net formed by the Russell network described in item 1, wherein the driving density (M) of the leg portion and the driving density (N) of the knot portion satisfy a relationship of N ≦ M × 0.8.
3 . 3. A net formed of a Russell network described in item 1 or 2 , which is a net formed of a flame retardant yarn treated with a condensed phosphate ester compound or a phosphazene flame retardant.
4. A net formed of the Russell network described in item 1 or 2 , which is a net impregnated with a condensed phosphate ester compound or a phosphazene flame retardant.
5 . 5. A net formed of the Russell network described in any one of items 1 to 4 , wherein the Russell network is a network formed of multifilaments of synthetic fibers. "
About.

本発明のネットの目開きが良好で目戻りが小さく、開いた姿勢の維持性に優れているので、加工が容易で、取り付けの施工が容易となる優れた効果を奏する。   Since the mesh of the net of the present invention is good, the mesh is small, and the maintenance of the open posture is excellent, there is an excellent effect that the processing is easy and the installation work is easy.

本発明はラッセル編みした網地で形成したネットであって、網の脚部の打込密度Mと結節部の打込密度Nとが、N<Mの関係を満足する特別の構成のネットである。
従来より使用されているラッセル編みした網地は、脚部と結節部の打込密度は同一ないし、結節部の打込密度が大であった。
このため網地の目を開くと、脚部の目開きに対する応力が結節部の応力より小さくなり、目開きがよくないばかりでなく、目を開いた後、復元力が大きくなり、目戻りが大きくなる。
そのため、カットしたりロープを通す等の加工が行い難い欠点があり、また施工の際ネットの目を開きながら取り付けなければならず、時間と労力がかかる問題が生じ、さらに取り付け後復元力が大きいため、取り付けネットの上下端は形状が維持されるが、中央部は目戻りにより元に復元するため、全体として鼓型になる問題もある。
本発明は、目を開いた後の復元力を小さくし、姿勢維持性を向上するために、結節部の復元力を小さくして結節部に対しての脚部の姿勢維持性を高めることにより、目開きの維持性を向上させたのである。
そのためには、脚部の打込密度を高くし、結節部の打込密度を小さくすることが有効であり、従来は脚部の打込密度と結節部の打込密度は同一であったのを、次の式1で示される打込密度としたのである。
N<M (1)
(式中、Nは、結節部の打込密度であり、Mは脚部の打込密度である。)
この関係を満たすと目開きは良好となり、目戻りも少なくなる。
ラッセル編みの網地で形成されるネットの打込密度は、コース(ループ)/cmで表される。例えば、1目あたり50mmの長さを24コースで編網すると、「4.8コース(ループ)/cmの打込密度」となる。
図面で説明すると、図1と図2は同じ1目長さ、コース数であるが、図1に示したネットは、脚部の打込密度が大きく、結節部の打込密度が小さくなっていることがわかる。
図1及び2は14コース(ループ)の網である。図2は脚部と結節部が同じ打込密度であり、例えば図2の目合いが28mmとすると、1コース長さは約2mmになる。図1は、例えば結節部4コースを1コース長さ約3mmで粗く編むと、脚部10コースの1コース長さは、残りの16mmを10コースで編むので1コース長さは1.6mmになる。
このように、打込密度を同じ網組織内で変えるとコースの粗密が変わるので長さも変わる。
The present invention is a net formed of a raschel knitted net with a special configuration in which the net driving density M of the net legs and the driving density N of the knots satisfy the relationship of N <M. is there.
Conventionally, the raschel knitted netting has the same driving density at the legs and knots, and the driving density at the knots is large.
For this reason, when the mesh is opened, the stress on the leg openings is smaller than the stress on the nodule, and the opening is not good. growing.
Therefore, there is a processing performed hardly drawbacks such as passing a rope or cut, also must be mounted while opening the eyes of the net time of construction occur time and effort consuming problem, after further attachment, resilience Since it is large, the shape of the upper and lower ends of the attachment net is maintained, but the center part is restored to its original shape by turning back, so there is also a problem that the whole becomes a drum shape.
In order to reduce the restoring force after opening the eyes and improve the posture maintaining ability, the present invention reduces the restoring force of the nodule part and improves the posture maintaining ability of the leg with respect to the nodule part. This improves the maintainability of the opening.
For this purpose, it is effective to increase the driving density of the legs and reduce the driving density of the knots. Conventionally, the driving density of the legs and the driving density of the knots were the same. Is the implantation density represented by the following formula 1.
N <M (1)
(In the formula, N is the driving density of the nodule portion, and M is the driving density of the leg portion.)
When this relationship is satisfied, the opening becomes good and the return is reduced.
The driving density of a net formed of a Russell knitted net is expressed by course (loop) / cm. For example, when a net of 50 mm per stitch is knitted with 24 courses, a “4.8 course (loop) / cm driving density” is obtained.
As illustrated in the drawings, FIGS. 1 and 2 have the same glance length and number of courses, but the net shown in FIG. 1 has a high driving density at the legs and a low driving density at the knots. I understand that.
1 and 2 are 14-course (loop) nets. In FIG. 2, the leg portions and the knot portions have the same driving density. For example, if the scale of FIG. 2 is 28 mm, the length of one course is about 2 mm. In FIG. 1, for example, when 4 courses of the knot part are knitted roughly with a length of about 3 mm, the length of 1 course of the leg 10 courses is knitted with the remaining 16 mm of 10 courses, so the length of 1 course is 1.6 mm. Become.
Thus, when the driving density is changed in the same network structure, the coarseness of the course changes, so that the length also changes.

図1と図2は、この粗密の差により1コース長さが変わることを表しているので、脚部の方が密度が大きい。
一方、図2に示す従来のネットは、打込密度は結節部と脚部が同一になっている。
脚部の打込密度と結節部の打込密度の間に、N≦M×0.9の関係があると、目開性、姿勢維持性が良好であり好ましい。N≦M×0.8であるとさらに好ましい。
ネットは難燃糸で編製されていると、使用時に火がついて燃焼する事故を防止することができ、好ましい。
難燃糸としては縮合燐酸エステル化合物、ホスファゼン系難燃剤で処理した糸等が使用される。
また、予めラッセル編みした網地を難燃剤で処理して難燃加工を施すことによっても、燃焼を防止できる効果が奏される。
網地を構成する糸としては、ポリアミド、ポリエステル、ポリオレフィン、アクリル系重合体、ポリビニルフォルマール等の合成繊維のマルチフィラメントが使用される。
ポリ乳酸エステル等の生分解性ポリマーのマルチフィラメントを使用すると使用後の廃棄が容易となる。
難燃糸を用いると、ネットに溶接の火花が飛んでも燃えない効果が奏される。
ネットを難燃剤で処理しても、同様の効果が得られた。
Since FIG. 1 and FIG. 2 show that the length of one course changes due to the difference in density, the leg portion has a higher density.
On the other hand, in the conventional net shown in FIG. 2, the knot density and the leg are the same in driving density.
A relationship of N ≦ M × 0.9 between the driving density of the leg portion ( M ) and the driving density of the nodule portion ( N ) is preferable because of good openness and posture maintenance. More preferably, N ≦ M × 0.8.
It is preferable that the net is knitted with a flame retardant yarn because it can prevent an accident that burns and burns during use.
As the flame retardant yarn, a yarn treated with a condensed phosphate ester compound or a phosphazene flame retardant is used.
Moreover, the effect which can prevent combustion is show | played also by processing the mesh fabric which carried out the Russell knitting beforehand with a flame retardant, and performing a flame retardant process.
As the yarn constituting the net, multifilaments of synthetic fibers such as polyamide, polyester, polyolefin, acrylic polymer, and polyvinyl formal are used.
When multifilaments of biodegradable polymers such as polylactic acid esters are used, disposal after use becomes easy.
Use of flame retardant yarn has the effect of not burning even when welding sparks fly to the net.
The same effect was obtained when the net was treated with a flame retardant.

目開きの張力測定方法
規定寸法に切断した網を床上に置き、網の長さ方向の網巾網両端部の網目に図3の様に直径8.5mmのロット7を挿通し、一端を固定し、他端に引張荷重をかけ、個々の距離での引張荷重を測定する。また引張荷重を解除し、自然に網を目戻りさせて静止した時点での目戻り後の寸法を測定した。
コースの設定及び計算方法
図5は1目長さ11の構成であり14コースである。1目内の右半分の斜線部分が4コースの結節部で、空白部が10コースの脚部になる。
例えば1目の長さが5cmを20コースで編網した場合、
従来(比較例)の編網は、
20/5=4(コース/cm)の打込密度になる。
本発明の実施例に示す編網は、
結節部4コースをX(コース/cm)の打込密度とすると、
結節部の長さ=4/X
脚部16コースの打込密度Y(コース/cm)は、
16/(5−結節部の長さ)=Yとなる。
Xは目開き具合、網糸の太さ、用途等に応じて決定する。
テニスネットの様な脚部の長いものは、脚部の打込密度Yを決めてからXを算出する場合もある。
The net was cut into tension measuring method defined dimensions of mesh placed on the floor, inserted through the slot 7 having a diameter of 8.5mm as in FIG. 3 in a mesh network wide network both longitudinal ends of the net, fixing one end Then, a tensile load is applied to the other end, and the tensile load at each distance is measured. Further, the tensile load was released, and the size after the return when the net was returned to the natural state and stopped was measured.
Course Setting and Calculation Method FIG. 5 shows a structure with a length of 11 per eye and 14 courses. The hatched portion on the right half of the eye is the 4 course nodule, and the blank is the 10 course leg.
For example, if the length of the first stitch is knitted in 20 courses of 5cm,
Conventional (comparative example) knitted mesh
The driving density is 20/5 = 4 (course / cm).
The knitting net shown in the embodiment of the present invention,
If the nodule part 4 course is X (course / cm) driving density,
Nodule length = 4 / X
The driving density Y (course / cm) of the leg 16 course is
16 / (5-length of the nodule portion) = Y.
X is determined according to the degree of opening, the thickness of the screen yarn, the application, and the like.
For a long leg such as a tennis net, X may be calculated after determining the driving density Y of the leg.

(実施例1)
東レ株式会社テトロン1840dt/8本、1目長さ33mm、1目のコース数16コース(結節部4コース、脚部12コース)の規格の網に於いて、
本発明の網
結節部の打込密度 3.60(コース/cm)とする。
結節部の長さ 4(コース)/3.6(コース/cm)=1.11(cm)
脚部の打込密度 12(コース)/(3.3(cm)−1.11(cm))
=5.48(コース/cm)
網巾150目(670mm)×網長さ30目(990mm)に切断し図4の様に引張荷重を加えて測定した。その後荷重を解除して目戻り後の寸法を測定した。供試体の重量は0.8kgで、結果は表1の通りであった。
Example 1
Toray Co., Ltd. Tetron 1840dt / 8, 1 length 33mm, 1 course number 16 courses (4 courses of nodules, 12 courses of legs),
The driving density of the network node of the present invention is 3.60 (course / cm) .
Nodule length 4 (course) /3.6 (course / cm) = 1.11 (cm)
Leg driving density 12 (course) / (3.3 (cm)-1.11 (cm))
= 5.48 (course / cm)
The sample was cut into a mesh width of 150 (670 mm) x a mesh length of 30 (990 mm), and a tensile load was applied as shown in FIG. Thereafter, the load was released and the dimensions after turning back were measured. The weight of the specimen was 0.8 kg, and the results were as shown in Table 1.

(比較例1)
比較例1は実施例1との比較である。
実施例1に於いて、
結節部の打込密度と脚部の打込密度を同じとし、
打込密度 16(コース)/3.3(cm)=4.85(コース/cm)
その他は同一にした。供試体の重量は0.8kgで、結果は表1の通りであった。
(Comparative Example 1)
Comparative Example 1 is a comparison with Example 1.
In Example 1,
The driving density of the nodule part and the driving density of the leg part are the same,
Driving density 16 (course) /3.3 (cm) = 4.85 (course / cm)
Others were the same. The weight of the specimen was 0.8 kg, and the results were as shown in Table 1.

Figure 0004431426
Figure 0004431426

(実施例2)
東レ株式会社テトロン1840dt/5本、1目長さ31mm、1目のコース数18コース(結節部4コース、脚部14コース)の規格の網に於いて、
本発明の網
結節部の打込密度 3.20(コース/cm)とする。
結節部の長さ 4(コース)/3.2(コース/cm)=1.25(cm)
脚部の打込密度 14(コース)/(3.1(cm)−1.25(cm))
=7.57(コース/cm)
網巾150目(550mm)×網長さ30目(1023mm)に切断し図4の様に引張荷重を加えて測定した。その後荷重を解除して目戻り後の寸法を測定した。供試体の重量は0.46kgで、結果は表2の通りであった。
(Example 2)
Toray Co., Ltd. Tetron 1840dt / 5, 1 length 31mm, 1 course number 18 courses (4 courses of nodules, 14 courses of legs),
The driving density of the network node of the present invention is 3.20 (course / cm) .
Nodule length 4 (course) /3.2 (course / cm) = 1.25 (cm)
Leg driving density 14 (course) / (3.1 (cm) -1.25 (cm))
= 7.57 (course / cm)
The sample was cut into a mesh width of 150 meshes (550 mm) x a mesh length of 30 meshes (1023 mm), and measurement was performed by applying a tensile load as shown in FIG. Thereafter, the load was released and the dimensions after turning back were measured. The weight of the specimen was 0.46 kg, and the results were as shown in Table 2.

(比較例2)
比較例2は実施例2との比較である。
実施例2に於いて、
結節部の打込密度と脚部の打込密度を同じとし、
打込密度 18(コース)/3.1(cm)=5.81(コース/cm)
その他は同一にした。供試体の重量は0.46kgで、結果は表2の通りであった。
(Comparative Example 2)
Comparative Example 2 is a comparison with Example 2.
In Example 2,
The driving density of the nodule part and the driving density of the leg part are the same,
Driving density 18 (course) /3.1 (cm) = 5.81 (course / cm)
Others were the same. The weight of the specimen was 0.46 kg, and the results were as shown in Table 2.

Figure 0004431426
Figure 0004431426

(実施例3)
ユニチカ株式会社、ナイロン1590dt/8本、1目長さ21mm、1目のコース数10コース(結節部4コース、脚部6コース)の規格の網に於いて、
本発明の網
結節部の打込密度 3.40(コース/cm)とする。
結節部の長さ 4(コース)/3.4(コース/cm)=1.18(cm)
脚部の打込密度 6(コース)/(2.1(cm)−1.18(cm))
=6.52(コース/cm)
網巾150目(710mm)×網長さ30目(1050mm)に切断し図4の様に引張荷重を加えて測定した。その後荷重を解除して目戻り後の寸法を測定した。供試体の重量は0.75kgで、結果は表3の通りであった。
(Example 3)
Unitika Co., Ltd., Nylon 1590dt / 8, 1 length 21mm, 1 course number 10 courses (4 courses for knots, 6 courses for legs)
The driving density of the network node of the present invention is 3.40 (course / cm) .
Nodule length 4 (course) /3.4 (course / cm) = 1.18 (cm)
Leg driving density 6 (course) / (2.1 (cm) -1.18 (cm))
= 6.52 (course / cm)
The sample was cut into a mesh width of 150 meshes (710 mm) x a mesh length of 30 meshes (1050 mm), and a tensile load was applied as shown in FIG. Thereafter, the load was released and the dimensions after turning back were measured. The weight of the specimen was 0.75 kg, and the results were as shown in Table 3.

(比較例3)
比較例3は実施例3との比較である。
実施例3に於いて、
結節部の打込密度と脚部の打込密度を同じとし、
打込密度 10(コース)/2.1(cm)=4.76(コース/cm)
その他は同一にした。供試体の重量は0.75kgで、結果は表3の通りであった。
(Comparative Example 3)
Comparative Example 3 is a comparison with Example 3.
In Example 3,
The driving density of the nodule part and the driving density of the leg part are the same,
Driving density 10 (course) /2.1 (cm) = 4.76 (course / cm)
Others were the same. The weight of the specimen was 0.75 kg, and the results were as shown in Table 3.

Figure 0004431426
Figure 0004431426

本発明のネットは工事現場の安全ネット、防球ネット及び魚網等に使用される。   The net of the present invention is used for a safety net, a ball-proof net, a fish net and the like at a construction site.

本発明のネットの説明図である。It is explanatory drawing of the net | network of this invention. 従来のネットの説明図である。It is explanatory drawing of the conventional net | network. 網に荷重を加えないで揃えた状態を示す説明図である。It is explanatory drawing which shows the state which aligned without adding a load to a net | network. 網を巾方向に荷重を加えて引っ張った状態を示す説明図である。It is explanatory drawing which shows the state which applied the load to the width direction and pulled it. 網の1目長さが14コースを表したものを示す説明図である。It is explanatory drawing which shows what the 1 mesh length of a net | network represented 14 courses.

符号の説明Explanation of symbols

1 本発明の1コース(ループ)
2 本発明の脚部
3 本発明の結節部
4 従来の1コース(ループ)
5 従来の脚部
6 従来の結節部
7 ロット
8 荷重計
9 網長さ
10 網巾
11 網の1目長さ
1 1 course (loop) of the present invention
2 Leg of the present invention
3 Nodules of the present invention
4 Conventional 1 course (loop)
5 Conventional legs
6 Conventional nodule
7 lots 8 load cell 9 mesh length 10 mesh width 11 mesh length per mesh

Claims (5)

ラッセル編みした網地で形成したネットであって、網の脚部の打込密度(M)と結節部の打込密度(N)がN≦M×0.9の関係を満足する値であることを特徴とする、ラッセル編みした網地で形成したネット。 The net is formed of a raschel knitted net, and the net density (M) of the net legs and the density (N) of the knots satisfy the relationship of N ≦ M × 0.9. A net made of raschel knitted mesh. 脚部の打込密度(M)と結節部の打込密度(N)がN≦M×0.8の関係を満足する値である、請求項1に記載されたラッセル網地で形成したネット The net formed by the Russell network according to claim 1, wherein the driving density (M) of the leg portion and the driving density (N) of the knot portion satisfy a relationship of N ≦ M × 0.8. 縮合燐酸エステル化合物又はホスファゼン系難燃剤で処理した難燃糸で形成されたネットである、請求項1又は2に記載されたラッセル網地で形成したネット。 The net formed of the Russell network according to claim 1 or 2 , which is a net formed of a flame retardant yarn treated with a condensed phosphate ester compound or a phosphazene flame retardant. 縮合燐酸エステル化合物又はホスファゼン系難燃剤を含浸被覆したネットである、請求項1又は2に記載されたラッセル網地で形成したネット。 The net formed of the Russell network according to claim 1 or 2 , which is a net impregnated with a condensed phosphate ester compound or a phosphazene flame retardant. ラッセル網地が合成繊維のマルチフィラメントで形成された網地である、請求項1ないしのいずれか1項に記載されたラッセル網地で形成したネット。 The net formed of the Russell network according to any one of claims 1 to 4 , wherein the Russell network is a network formed of multifilaments of synthetic fibers.
JP2004075865A 2004-03-17 2004-03-17 A net formed of Russell network Expired - Fee Related JP4431426B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004075865A JP4431426B2 (en) 2004-03-17 2004-03-17 A net formed of Russell network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004075865A JP4431426B2 (en) 2004-03-17 2004-03-17 A net formed of Russell network

Publications (3)

Publication Number Publication Date
JP2005264362A JP2005264362A (en) 2005-09-29
JP2005264362A5 JP2005264362A5 (en) 2007-07-19
JP4431426B2 true JP4431426B2 (en) 2010-03-17

Family

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Family Applications (1)

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Country Status (1)

Country Link
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Also Published As

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