KR101357683B1 - Artificial turf - Google Patents

Artificial turf Download PDF

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Publication number
KR101357683B1
KR101357683B1 KR1020130136640A KR20130136640A KR101357683B1 KR 101357683 B1 KR101357683 B1 KR 101357683B1 KR 1020130136640 A KR1020130136640 A KR 1020130136640A KR 20130136640 A KR20130136640 A KR 20130136640A KR 101357683 B1 KR101357683 B1 KR 101357683B1
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South Korea
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protrusion
yarn
convex
protrusions
artificial turf
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KR1020130136640A
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Korean (ko)
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최길주
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(주)대건씨앤엘
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The present invention relates to yarn for artificial turf having improved durability and more particularly, to yarn for artificial turf having improved durability, wherein a twin-peak protrusion part composed of a first protrusion and a second protrusion and having a middle part connected by a connection part is formed in the middle part of the concave surface part of the yarn, wherein convex protrusions protrude respectively from both sides of the convex surface part of the yarn to correspond thereto and the centers of the convex protrusions are placed at both ends of the twin-peak protrusion, and wherein the centers of the first protrusion and a second protrusion constituting the twin-peak protrusion part are placed at an end of the convex protrusion. The present invention is not folded or split easily because there is no part thinned in the middle part of the yarn for artificial turf. And the present invention prevents the dazzle of an artificial turf user because reflected light is scattered by the twin-peak protrusion and the convex protrusion. The rapid change in temperature of the artificial turf can be inhibited by storing moisture in grooves between the protrusions. Filling chips can be prevented from separating because the filling chips can be stored in the grooves between the protrusions.

Description

내구성이 향상된 인조잔디 원사{Artificial turf}Durable artificial turf yarn {Artificial turf}

본 발명은 내구성이 향상된 인조잔디 원사에 관한 것으로서, 더욱 상세하게는 원사의 오목면부의 중간부에 중간부분이 연결부로 연결된 제 1 돌기와 제 2 돌기로 이루어진 쌍봉돌기부를 형성하고, 이에 대응하는 원사의 볼록면부 양측에 각각 볼록돌기를 돌출되게 형성하되, 볼록돌기의 중심이 쌍봉돌기의 양끝단에 위치하도록 구성하면서 쌍봉돌기부를 이루는 제 1 돌기와 제 2 돌기의 중심이 볼록돌기의 일측 끝단에 위치하도록 구성하므로서, 인조잔디 원사의 중간부에 두께가 얇아진 부분이 없도록 하여 잘 꺽이거나 갈라지지 않도록 하고, 쌍봉돌기와 볼록돌기에 의해 빛이 난반사 되므로 인조잔디 사용자의 눈부심을 방지하며, 돌기와 돌기 사이의 홈 부위에 수분을 저장할 수 있어서 인조잔디의 급격한 온도변화를 억제할 수 있고, 돌기와 돌기 사이의 홈 부위에 충진 칩을 저장할 수 있어서 충진 칩의 이탈을 방지할 수 있도록 한 내구성이 향상된 인조잔디 원사에 관한 것이다.
The present invention relates to an artificial turf yarn with improved durability, and more particularly, to form a bimodal projection consisting of a first projection and a second projection, the middle portion of which is connected by a connecting portion to a middle portion of the concave surface of the yarn, and corresponding yarn Convex protrusions are formed to protrude on both sides of the convex surface, respectively, and the centers of the convex protrusions are formed at both ends of the twin protrusions, while the centers of the first and second protrusions forming the twin protrusions are positioned at one end of the convex protrusions. Therefore, there is no thinned part in the middle of the artificial turf yarn, so that it is not bent or cracked well, and light is reflected by the twin and convex protrusions to prevent glare of the artificial turf user. Moisture can be stored to suppress sudden temperature changes of artificial turf, The durable one in the store filled with chips on the home site so as to prevent the escape of the filling chips relates to improved artificial grass yarn.

* 선행기술문헌 - 특허출원 10-2010-0029452호
* Prior art document-Patent application 10-2010-0029452

도 1 은 선출원된 실용신안등록 제 414447호의 인조잔디구조를 도시한 것으로서, 1 shows an artificial turf structure of Utility Model Registration No. 414447,

일반적인 인조잔디는 Common artificial turf

지반(40) 상부에 골재로 이루어진 골재층(30)을 형성하고, 상기 골재층(30) 상부에 NR(Natural Rubber), SBR(StyreneButadiene Rubber), IIR(Isobutylene Isoprene Rubber), NBR(Nitrile Butadiene Rubber), EPDM(Ethylene Propylene Terpolymers), 우레탄의 가황고무 고무칩(21)과 폴리우레탄 수지 또는 에폭시 수지와 같은 수지계 접착제(22)가 혼합 조성된 탄성층(20)을 형성하며, 상기 탄성층(20)의 상부에 바닥매트(14)에 다수의 인조잔디파일(11)이 심어진 상태에서 인조잔디파일(11) 사이에 가황고무칩(12)과 규사(13)가 채워진 인조잔디층(10)을 형성한 것이다.An aggregate layer 30 made of aggregate is formed on the ground 40 and natural rubber, styrenebutadiene rubber (SBR), isobutylene isoprene rubber (IIR), and nitrile butadiene rubber (NBR) ), EPDM (ethylene propylene terpolymers), a vulcanized rubber rubber chip 21 of urethane, and a resin adhesive 22 such as a polyurethane resin or an epoxy resin, and the elastic layer 20 The artificial turf layer 10 in which the vulcanized rubber chips 12 and the silica sand 13 are filled between the artificial turf piles 11 in a state in which a large number of artificial turf piles 11 are planted on the floor mat 14 .

이러한 인조잔디에는 사용자가 넘어졌을때 다치지 않도록 완충하는 2~3mm 크기의 가황고무칩과 같은 충진 칩이 충진되고 있다.Such artificial turf is filled with a filling chip such as a vulcanized rubber chip having a size of 2-3 mm, which is cushioned to prevent injury when the user falls.

또한, 바닥매트(14)에 심어지는 인조잔디파일(11)은 도 2와 같은 여러가닦의 인조잔디 원사(1)로 이루어지는데, 인조잔디 원사(1)는 도 2a와 같이 초승달 형태로 형성하거나 아니면 도 2b와 같이 볼록렌즈 형태이면서 중간부에 심지(1a)가 형성된 형태로 제공되고 있다.In addition, the artificial turf pile 11 that is planted on the floor mat 14 is made of artificial turf yarn 1 of several polished as shown in Figure 2, artificial turf yarn 1 is formed in the crescent shape as shown in Figure 2a Or it is provided in the form of a convex lens and a wick (1a) in the middle portion as shown in Figure 2b.

그러나, 종래의 인조잔디 원사는 원사(1)의 중간부 두께가 얇은 부분이 존재하여 쉽게 갈라지거나 꺽여지는 등 내구성이 약한 문제점이 발생하고 있었고, 원사(1)의 단면 형태가 고른면을 갖도록 형성되어 있어서 여름철 햇빛을 그대로 반사하여 인조잔디구장 사용자에게 눈부심을 일으키게되는 문제점이 있었으며, 인조잔디파일 사이에 충진되는 충진 칩을 보유할 수 있는 구조를 갖지 못하여 충진 칩이 쉽게 이탈되어 짧은 시간에 충진 칩을 보충해주어야만 하는 문제점이 발생하고 있었다.
However, the conventional artificial turf yarn has a problem of weak durability such that the middle part of the yarn 1 has a thin thickness and easily cracks or bends, so that the cross-sectional shape of the yarn 1 has an even surface. As it is formed, it reflects sunlight in summer and causes glare to users of artificial turf fields, and it does not have a structure to hold filling chips filled between artificial turf piles. There was a problem that needs to be replenished.

따라서, 상기 문제점을 해결하기 위한 본 발명은 원사의 오목면부의 중간부에 중간부분이 연결부로 연결된 제 1 돌기와 제 2 돌기로 이루어진 쌍봉돌기부를 형성하고, 이에 대응하는 원사의 볼록면부 양측에 각각 볼록돌기를 돌출되게 형성하되, 볼록돌기의 중심이 쌍봉돌기의 양끝단에 위치하도록 구성하면서 쌍봉돌기부를 이루는 제 1 돌기와 제 2 돌기의 중심이 볼록돌기의 일측 끝단에 위치하도록 구성하므로서, 인조잔디 원사의 중간부에 두께가 얇아진 부분이 없도록 하여 잘 꺽이거나 갈라지지 않도록 하고, 쌍봉돌기와 볼록돌기에 의해 빛이 난반사 되므로 인조잔디 사용자의 눈부심을 방지하며, 돌기와 돌기 사이의 홈 부위에 수분을 저장할 수 있어서 인조잔디의 급격한 온도변화를 억제할 수 있고, 돌기와 돌기 사이의 홈 부위에 충진 칩을 저장할 수 있어서 충진 칩의 이탈을 방지할 수 있도록 한 내구성이 향상된 인조잔디 원사를 제공함을 목적으로 한다.
Accordingly, the present invention for solving the above problems is formed in the middle of the concave surface of the yarn is formed a bi-protrusion part consisting of a first projection and a second projection, the middle portion of which is connected to the connecting portion, the convex surface of the yarn corresponding to each convex side Protruding protrusions, but the center of the convex projections are located at both ends of the twin projections, while the centers of the first projection and the second projection forming the double projections are configured to be located at one end of the convex projections, artificial turf yarn Since there is no thinned part in the middle part, it is not bent or cracked well, and the light is diffusely reflected by the twin and convex protrusions to prevent glare of the artificial turf user, and it can store moisture in the groove between the protrusions and the protrusions. It can suppress the rapid temperature change of turf and save filling chips in the grooves between the protrusions. This can durability to prevent the detachment of the filling chip according to an object to provide an improved synthetic grass fibers.

상기 목적달성을 위한 본 발명은,According to an aspect of the present invention,

일면에 오목면부(102)가 형성되고 타면에 볼록면부(101)가 형성된 원사(100)를 포함하는 내구성이 향상된 인조잔디 원사에 있어서, In the artificial turf yarn with improved durability including a yarn 100 having a concave surface portion 102 is formed on one surface and a convex surface portion 101 is formed on the other surface,

원사(100)의 오목면부(102)의 중간부에 중간부분이 연결부(203)로 연결된 제 1 돌기(201)와 제 2 돌기(202)로 이루어진 쌍봉돌기부(200)를 형성하고, 이에 대응하는 원사(100)의 볼록면부(101) 양측에 각각 볼록돌기(300)를 돌출되게 형성하되, 볼록돌기(300)의 중심부분이 쌍봉돌기부(200)의 양끝단에 위치하도록 구성하면서 쌍봉돌기부(200)를 이루는 제 1 돌기(201)와 제 2 돌기(201)의 중심이 볼록돌기(300)의 일측 끝단에 위치하도록 구성한 것을 특징으로 한다.
In the middle portion of the concave surface 102 of the yarn 100, a bimodal protrusion 200 formed of a first protrusion 201 and a second protrusion 202 connected to an intermediate portion by a connecting portion 203 is formed. Convex protrusions 300 are formed on both sides of the convex surface portion 101 of the yarn 100, respectively, and the central portions of the convex protrusions 300 are disposed at both ends of the twin protrusions 200, respectively. The center of the first protrusion 201 and the second protrusion 201 forming a) is characterized in that it is configured to be located at one end of the convex protrusion (300).

본 발명에 의하면, 인조잔디 원사의 중간부에 두께가 얇아진 부분이 없도록 하여 잘 꺽이거나 갈라지지 않도록 하고, 쌍봉돌기와 볼록돌기에 의해 빛이 난반사 되므로 인조잔디 사용자의 눈부심을 방지하며, 돌기와 돌기 사이의 홈 부위에 수분을 저장할 수 있어서 인조잔디의 급격한 온도변화를 억제할 수 있고, 돌기와 돌기 사이의 홈 부위에 충진 칩을 저장할 수 있어서 충진 칩의 이탈을 방지할 수 있도록 하는 효과를 기대할 수 있다.
According to the present invention, there is no thinned portion in the middle of the artificial turf yarn so as not to be bent or cracked well, and because the light is diffused by the twin and convex projections to prevent the glare of the artificial turf user, between the projection and the projection Moisture can be stored in the groove area to suppress the rapid temperature change of the artificial turf, and can be expected to store the filling chip in the groove portion between the projection and the projection to prevent the departure of the filling chip.

도 1 은 종래 인조잔디구조를 보인 단면도.
도 2 는 종래 인조잔디 원사를 보인 단면도.
도 3 은 본 발명의 인조잔디 원사를 보인 단면도.
도 4 는 본 발명의 다른 실시예를 보인 단면도.1 is a cross-sectional view showing a conventional artificial turf structure.
Figure 2 is a cross-sectional view showing a conventional artificial turf yarn.
3 is a cross-sectional view showing the artificial turf yarn of the present invention.
4 is a cross-sectional view showing another embodiment of the present invention.

이하, 첨부된 도면 도 3 과 도 4 를 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS. 3 and 4. FIG.

상기 도면에 의하면, 본 발명은,According to the above drawings,

일면에 오목면부(102)가 형성되고 타면에 볼록면부(101)가 형성된 원사(100)를 포함하는 내구성이 향상된 인조잔디 원사에 있어서, In the artificial turf yarn with improved durability including a yarn 100 having a concave surface portion 102 is formed on one surface and a convex surface portion 101 is formed on the other surface,

원사(100)의 오목면부(102)의 중간부에 중간부분이 연결부(203)로 연결된 제 1 돌기(201)와 제 2 돌기(202)로 이루어진 쌍봉돌기부(200)를 형성하고, 이에 대응하는 원사(100)의 볼록면부(101) 양측에 각각 볼록돌기(300)를 돌출되게 형성하되, 볼록돌기(300)의 중심부분이 쌍봉돌기부(200)의 양끝단에 위치하도록 구성하면서 쌍봉돌기부(200)를 이루는 제 1 돌기(201)와 제 2 돌기(201)의 중심이 볼록돌기(300)의 일측 끝단에 위치하도록 구성한 것을 특징으로 한다.In the middle portion of the concave surface 102 of the yarn 100, a bimodal protrusion 200 formed of a first protrusion 201 and a second protrusion 202 connected to an intermediate portion by a connecting portion 203 is formed. Convex protrusions 300 are formed on both sides of the convex surface portion 101 of the yarn 100, respectively, and the central portions of the convex protrusions 300 are disposed at both ends of the twin protrusions 200, respectively. The center of the first protrusion 201 and the second protrusion 201 forming a) is characterized in that it is configured to be located at one end of the convex protrusion (300).

또한, 상기 볼록돌기(300)의 사이에는 연결부(203)에 대응하는 보강돌기(301)를 더 형성하되, 보강돌기(301)는 볼록돌기(300) 보다 돌출높이가 낮은 것을 특징으로 한다.
In addition, between the convex protrusions 300, the reinforcement protrusion 301 corresponding to the connection portion 203 is further formed, the reinforcement protrusion 301 is characterized in that the protrusion height is lower than the convex protrusion (300).

인조잔디 원사(100)는 통상적으로 합성수지로 이루어지고, 두께가 약 0.1mm ~ 0.2mm 로 형성된다.Artificial grass yarn 100 is typically made of a synthetic resin, the thickness is formed of about 0.1mm ~ 0.2mm.

이러한 원사(100)는 종래 설명된 바와같이 여러가닦의 원사(100)를 바닥매트에 심어 인조잔디 파일을 이루도록하여 인조잔디를 구성하게 되는 것이다.Such yarn 100 is to form an artificial turf by forming the artificial turf pile by planting a multi-colored yarn 100 on the floor mat as described above.

본 발명의 원사(100)는 도 3 에 도시된 바와같이 일면에 오목면부(102)가 형성되고 타면에 볼록면부(101)가 형성된 초승달 형태로 이루어지되, 이 원사(100)의 양면에 각각 쌍봉돌기부(200)와 볼록돌기(300)를 돌출시켜 원사(100)의 단면 형상으로 볼 때 중간부 두께가 다른곳에 비해 얇아지지 않도록 하여 원사(100)의 내구성이 향상되도록 한 것이다.Yarn 100 of the present invention is made of a crescent form formed with a concave surface portion 102 is formed on one surface and a convex surface portion 101 on the other surface, as shown in Figure 3, each of the twin rods on both sides of the yarn 100 When projecting the protrusions 200 and the convex protrusions 300 to the cross-sectional shape of the yarn 100 is to prevent the thickness of the middle portion is thinner than other places to improve the durability of the yarn 100.

도면과 같이 원사(100)의 오목면부(102)의 중간부에 중간부분이 연결부(203)로 연결된 제 1 돌기(201)와 제 2 돌기(202)로 이루어진 쌍봉돌기부(200)를 형성하는데, 이와같이 제 1 돌기(201)와 제 2 돌기(202)의 사이를 연결부(203)로 연결되도록 하여 제 1 돌기(201)와 제 2 돌기(202)의 사이 두께가 다른 곳에 비해 상대적으로 얇아지지 않도록 하였다.As shown in the drawing, the middle portion of the concave surface 102 of the yarn 100 forms a bimodal protrusion 200 formed of a first protrusion 201 and a second protrusion 202 connected to an intermediate portion by a connecting portion 203. As such, the connection between the first protrusion 201 and the second protrusion 202 is connected by the connecting portion 203 so that the thickness between the first protrusion 201 and the second protrusion 202 is not relatively thin compared to other places. It was.

그리고, 쌍봉돌기부(200)에 대응하도록 원사(100)의 볼록면부(101) 양측에 각각 볼록돌기(300)를 돌출되게 형성하되, 볼록돌기(300)의 중심부분(수직점선부분)이 쌍봉돌기부(200)의 양끝단에 위치하도록 구성하면서 쌍봉돌기부(200)를 이루는 제 1 돌기(201)와 제 2 돌기(201)의 중심이 볼록돌기(300)의 일측 끝단에 위치하도록 구성하므로서, 원사(100)의 중간부 두께가 전체적으로 볼때 어느 한곳에서 얇아지지 않도록 하여 갈라짐 현상이나 꺽임 현상이 잘 발생하지 않도록 한 것이다.Then, the protrusions 300 are formed on both sides of the convex surface 101 of the yarn 100 so as to correspond to the twin protrusions 200, but the central portion (vertical dotted line portion) of the convex protrusions 300 is the twin protrusions. The center of the first protrusion 201 and the second protrusion 201 constituting the bimodal protrusion 200 while being configured to be located at both ends of the (200) is located at one end of the convex protrusion 300, the yarn ( The thickness of the middle part of 100) is not thinned at any one place as a whole to prevent cracking or bending.

즉, 상기 볼록돌기(300)와 쌍봉돌기부(200)를 이루는 제 1 돌기(201) 및 제 2 돌기(201)의 중심부가 서로 어긋나도록 형성하여 원사(100)의 중간부 두께가 두꺼워지도록 하여 내구성이 향상되도록 한 것이다.That is, the central portions of the first protrusion 201 and the second protrusion 201 constituting the convex protrusion 300 and the bimodal protrusion 200 are shifted from each other so that the thickness of the middle part of the yarn 100 becomes thick and durable. This is to be improved.

또한, 상기 볼록돌기(300)와 쌍봉돌기부(200)에 의해 햇빛이 난반사되므로 운동장 사용자들의 눈부심현상을 현저히 줄여줄 수 있으며, 각 돌기부 사이의 홈에 수분을 저장할 수 있게되어 여름철 인조잔디의 온도가 과도하게 상승하는 것을 억제할 수 있다.In addition, since the sunlight is diffused by the convex projections 300 and the twin projections 200, the glare of the playground users can be significantly reduced, and the temperature of the artificial turf in summer can be stored in the grooves between the projections. Excessive rise can be suppressed.

또한, 돌기 사이의 홈으로 충진 칩이 저장되는 효과가 있으므로 인조잔디에 충진된 충진 칩이 쉽게 이탈되지 않게되므로 충진 칩의 보충 주기를 연장시킬 수 있게되는 것이다.In addition, since the filling chip is stored in the grooves between the protrusions, the filling chip filled in the artificial turf is not easily separated, thereby extending the replenishment period of the filling chip.

한편, 도 4 는 본 발명의 다른 실시예를 도시한 것으로서,On the other hand, Figure 4 shows another embodiment of the present invention,

볼록돌기(300)의 사이에 보강돌기(301)를 돌출형성하되, 보강돌기(301)의 돌출 높이가 볼록돌기(300) 보다 높지 않도록 하여 제 1 돌기(201)와 제 2 돌기(201)의 사이를 연결하는 연결부(203)에 의해 다른 곳에 비해 상대적으로 두께가 얇아진 원사(100)의 중간부 두께를 보강할 수 있도록 하였다.
Protruding the reinforcing protrusions 301 between the convex protrusions 300, the height of the protrusions of the reinforcing protrusions 301 is not higher than the convex protrusions 300 of the first protrusion 201 and the second protrusion 201 The connecting portion 203 connecting between the reinforcement of the thickness of the middle portion of the yarn 100, which is relatively thin compared to other places.

100: 원사, 101: 볼록면부,
102: 오목면부, 200: 상봉돌기부,
201: 제 1 돌기, 202: 제 2 돌기,
203: 연결부, 300: 볼록돌기,
301: 보강돌기,100: yarn, 101: convex surface part,
102: concave surface portion, 200: upper rod projection portion,
201: first projection, 202: second projection,
203: connection portion, 300: convex protrusion,
301: reinforcement protrusion,

Claims (2)

일면에 오목면부(102)가 형성되고 타면에 볼록면부(101)가 형성된 원사(100)를 포함하는 내구성이 향상된 인조잔디 원사에 있어서,
원사(100)의 오목면부(102)의 중간부에 중간부분이 연결부(203)로 연결된 제 1 돌기(201)와 제 2 돌기(202)로 이루어진 쌍봉돌기부(200)를 형성하고, 이에 대응하는 원사(100)의 볼록면부(101) 양측에 각각 볼록돌기(300)를 돌출되게 형성하되, 볼록돌기(300)의 중심부분이 쌍봉돌기부(200)의 양끝단에 위치하도록 구성하면서 쌍봉돌기부(200)를 이루는 제 1 돌기(201)와 제 2 돌기(201)의 중심이 볼록돌기(300)의 일측 끝단에 위치하도록 구성한 것을 특징으로 하는 내구성이 향상된 인조잔디 원사.
In the artificial turf yarn with improved durability including a yarn 100 having a concave surface portion 102 is formed on one surface and a convex surface portion 101 is formed on the other surface,
In the middle portion of the concave surface 102 of the yarn 100, a bimodal protrusion 200 formed of a first protrusion 201 and a second protrusion 202 connected to an intermediate portion by a connecting portion 203 is formed. Convex protrusions 300 are formed on both sides of the convex surface portion 101 of the yarn 100, respectively, and the central portions of the convex protrusions 300 are disposed at both ends of the twin protrusions 200, respectively. Durable artificial turf yarns, characterized in that the center of the first protrusion 201 and the second protrusion 201 is formed at one end of the convex protrusion (300).
제 1 항에 있어서,
상기 볼록돌기(300)의 사이에는 연결부(203)에 대응하는 보강돌기(301)를 더 형성하되, 보강돌기(301)는 볼록돌기(300) 보다 돌출높이가 낮은 것을 특징으로 하는 내구성이 향상된 인조잔디 원사.The method of claim 1,
Between the convex protrusions 300, the reinforcement protrusions 301 corresponding to the connection part 203 are further formed, but the reinforcement protrusions 301 have improved durability, which is characterized in that the protrusion height is lower than that of the convex protrusions 300. Grass yarn.
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US20120189785A1 (en) * 2009-07-14 2012-07-26 Green Vision Co. Ltd. Grass Yarn
US9005723B2 (en) 2010-11-09 2015-04-14 Tarkett Inc. Fiber for synthetic grass field
KR101623811B1 (en) 2016-03-18 2016-05-24 가온 주식회사 Artificial turf
WO2018101827A1 (en) * 2016-11-30 2018-06-07 Ten Cate Thiolon B.V. Split resistant fibre
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US20120189785A1 (en) * 2009-07-14 2012-07-26 Green Vision Co. Ltd. Grass Yarn
US9005723B2 (en) 2010-11-09 2015-04-14 Tarkett Inc. Fiber for synthetic grass field
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