KR100758853B1 - Artificial turf for football playground - Google Patents

Abstract

An artificial turf for football playground is provided to enhance exercise performance by attaching a synthetic polymer pad to a backside of a fiber bubble of the artificial turf. An artificial turf for a football playground comprises a first artificial turf(2) and a second artificial turf(1). The first artificial turf is prepared in a curled shape having a crimp, a mono-filament shape or a mono-tape shape. The second artificial turf is prepared in a split film shape. The first and second artificial turfs are alternately formed on a fiber bubble layer(1). A synthetic polymer composition pad is attached to the backside of a fiber bubble layer. The first and second artificial turfs have a height of about 20 to 40 mm.

Description

Artificial turf for soccer fields {Artificial turf for football playground}

1 is a schematic diagram of a first artificial grass file having a curled shape.

FIG. 2 is a schematic representation of a second artificial turf pile in the form of a splitted film; FIG.

3 is a schematic diagram of a first artificial grass pile having a monofilament form.

4 is a schematic view of a synthetic polymer pad 4 constituting the present invention.

Figure 5 is a cross-sectional view of the artificial turf for indoor simple football playground in accordance with the present invention.

* Explanation of symbols on the main parts of the drawings

1: fiber bubble 1a: upper layer of fiber bubble

1b: Lower layer of fiber bubble 2: First artificial grass pile

3: second artificial turf file 4: synthetic polymer pad

5: adhesive layer

The present invention relates to an artificial turf for a soccer field, and more specifically, two types of artificial turf piles are used at the same time, and a synthetic polymer pad is attached to the back of the fiber bubble layer of the artificial turf so that fillers such as silica sand and rubber chips are not filled. It is possible to use the ballpark in the form, and there is no fear of odor or contamination caused by the filler because no filler is used, and it relates to an artificial turf suitable for a football field, especially a simple football field.

Almost all the artificial turf fields have been installed outdoors, and one kind of artificial turf piles on the bubble layer and a latex coated product on the back side of the fiber bubble are laid on the ground of the ordinary crushed stone. Filled material such as silica sand or rubber chips was filled between artificial turf piles to secure proper ball rolling and ball splashing and to relieve impact. In addition, soccer games were generally played outdoors, which has disadvantages such as players' lack of normal skills in bad weather. Recently, many national indoor football (Futsal) competitions have been held, but the gym flooring material is played directly on the existing floor, causing damage to the gym floor, as well as ball rolling and splashing of the ball. It was difficult for the athlete to exercise his or her normal ability, and the impact was exposed to the floor, resulting in injury and injury.

An object of the present invention is to provide an artificial turf for the football field that can solve the above conventional problems at the same time.

The present invention uses two types of artificial turf pile to solve the conventional problems, and at the same time by attaching a synthetic polymer pad on the back of the fiber bubble of the artificial turf, even without filling the filler such as silica sand or rubber chip It is to provide a artificial turf for the football field that can be smoothly exhibited and there is no fear of odor or contamination caused by the non-filling material.

Artificial turf for the soccer field of the present invention for achieving the above object is the first artificial turf pile (2) having a form selected from the form of a crimped (Curled Shape), monofilament and mono tape form (2) ) And a second artificial turf pile 3 having a split film form are alternately formed on the fiber bubble 1, and a synthetic polymer pad 4 is attached to the back surface of the fiber bubble 1. It is characterized by that.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

First, the present invention has a first artificial turf pile (2) and a split film having a crimp is formed to have one of a form selected from a curled shape, a monofilament form and a mono tape form. The second artificial grass pile 3 has a structure formed by alternately tufting on the fiber bubble (1).

FIG. 1 is a schematic diagram of a first artificial grass pile 2 in the form of a crimp, and FIG. 2 is a schematic view of a second artificial grass pile 3 in the form of a torn film, and FIG. 3 is a first in the form of a monofilament. It is a schematic diagram of the artificial turf file (2).

The fiber bubble 1 is preferably a two-layer structure consisting of an upper layer portion 1a made of a nonwoven fabric and a lower layer portion 1b made of a fabric.

The upper layer 1a of the fiber bubble is preferably a spunbond nonwoven fabric made of polypropylene thermoplastic fibers.

Although the fineness of the thermoplastic fiber which comprises the upper layer part 1a of a fiber bubble is not specifically limited, It is good that it is 5 denier or less, and the thickness of the upper layer part 1a of a fiber bubble should be about 2 mm.

The lower layer portion 1b of the fiber bubble is preferably a woven fabric of warp and weft yarns of polypropylene fibers.

It is preferable that the fineness of the polypropylene fiber which comprises the lower layer part 1b of a fiber bubble is 100-500 denier.

Further, the lower layer 1b of the fiber bubble has a tensile strength of 75 to 80 Kg.f in the warp direction, a tensile strength of 110 to 120 Kg.f in the weft direction, 20 to 25% elongation in the warp direction, It is appropriate in terms of durability and shape stability to have physical properties with an elongation of 13 to 16% in the weft direction.

Meanwhile, the first artificial turf pile 2 may have a curly form as shown in FIG. 1, or may have a monofilament form or a mono tape form as shown in FIG. 3, and a polypropylene resin. It is preferred that the fineness is 7,000 to 7,600 denier, the elongation is 15 to 20%, the cutting strength is 2.0 to 2.5 Kg.f, and the crimp ratio is 17 to 23%.

The artificial turf for a soccer field according to the present invention can effectively control the rolling and frying properties of the ball by having the first artificial turf pile 2 constituting the crimp having a crimp.

On the other hand, the second artificial grass pile (3) is a torn film (Splitted Film) form, as shown in Figure 2, made of polyethylene resin, fineness of 8,000 ~ 11,000 denier, elongation 45 ~ 55% The cutting strength is appropriately 1.1 to 1.4 Kg.f. The second artificial turf pile 3 secures the uprightness of the artificial turf pile, and plays an important role in providing the athlete with stability when landing and turning on the artificial turf surface.

The height of each of the first artificial grass pile 2 and the second artificial grass pile 3 is preferably 20 to 40 mm, and the density (SPI: Stich Per Inch) of each pile is preferably 3.0 to 6.0 SPI. Do.

The density (SPI) of each pile is 3.0 to 6.0 SPI, meaning that the number of needle jumps during tufting is 3.0 to 6.0 per inch.

One surface of the synthetic foam pad 4 selected from polypropylene foam and porous polypropylene foam is attached to the back side of the fiber bubble 1 of the artificial turf where the tufting is completed.

The synthetic polymer pad 4 serves to improve ball fryability and smoothly absorb the impact of a player during a game even when the filler is not filled with the first artificial turf pile 2 having a curly shape. The synthetic polymer pad 4 had a thickness of 10 to 30 mm, a density of 0.11 to 0.14 g / cm 3, a compressive strain of 0.42 to 0.63 Kg / cm 2 at 70 ° C. under 7 days of shrinkage after 7 days at 70 ° C. Silver is 5% or less, tensile strength is 9 Kg / ㎠, elongation is preferably 130% or more.

A drainage hole is formed on the surface of the synthetic polymer pad 4, and a plurality of pieces having an embossment and an intaglio may be combined as shown in FIG. 4.

The artificial turf for the soccer field according to the present invention has a synthetic foam pad 4 and piles of fibrous fiber foam with velcro tape or a single unit of 1m x 1m or 1.5mx 1.5m in a short-term use of a gym as a futsal court. It can be easily bonded and bonded by bonding, and when used as an indoor futsal ballpark, the synthetic polymer pad 4 is first laid in the width required for general cement flooring, and then the adhesive mixed with the main agent and the curing agent is applied to the synthetic polymer. It can also be applied on a pad and fixedly laid by adhering fibrous fibers with piles tufted.

The first artificial turf pile 2 and the second artificial turf pile 3 are formed on the fibrous bubble 1 in a tufting method or in a lattice manner, but a tufting method is more preferable. .

When the piles 2 and 3 are formed on the fibrous bubble 1 by a tufting method, the first artificial turf pile 2 and the first artificial grass piles are formed on the 3/8 gauge and 5/16 gauge needle eyes. The artificial turf pile 3 of 2 is alternately passed to punch the fiber bubbles 1 with the needles.

On the other hand, the present invention, after the piece is laid in the manner described above, it does not need to be filled with a filler such as silica sand or rubber chips, so that no odor or contamination by the filler is generated, fibers having artificial turf piles (2, 3) formed By attaching the synthetic polymer pad 4 to the back surface of the bubble 1, it is possible to smoothly exhibit the movement technique without the filler.

The ball roll of the present invention (Ball Roll) is 5 ~ 7.5mm, Ball Rebound is (80 ~ 90cm), shock absorbency is 57 ~ 70, the vertical strain is -6 ~ -9mm FIFA All the requirements of the stadium certification criteria have been met.

The present invention is not filled with fillers such as rubber chips, there is no problem of odor or contamination.

In addition, the present invention uses two types of artificial turf pile and at the same time the synthetic polymer pad on the back of the fiber bubble of the artificial turf has excellent impact absorption and excellent athletic performance (playability) even without the use of a filler.

Therefore, the present invention is very suitable for artificial turf for soccer field, especially for indoor simple soccer field.

Claims (7)

Crimp is formed to form a first artificial turf pile 2 and a split film in the form of a curled shape, a monofilament form or a mono tape form An artificial turf for a soccer field, characterized in that the grass pile (3) is alternately formed on the fiber bubble (1), and a synthetic polymer pad (4) is attached to the back of the fiber bubble (1). The soccer field according to claim 1, wherein the height of the first artificial turf pile 2 and the second artificial turf pile 3 is 20 to 40 mm, and the number of skips of the needles during tufting is 3.0 to 6.0 per inch. Dragon artificial turf. The artificial turf for a soccer field according to claim 1, wherein the synthetic polymer pad (4) is one selected from polypropylene foam or polypropylene foam having porosity. The artificial turf for a soccer field according to claim 1, wherein the synthetic polymer pad (4) has a thickness of 10 to 30 mm. The artificial turf for soccer field according to claim 1, characterized in that the fiber bubble (1) and the synthetic polymer pad (4) are bonded with Velcro tape or adhesive. The artificial turf for a soccer field according to claim 1, wherein a drain hole is formed on the surface of the synthetic polymer pad (4). The artificial turf for a soccer field according to claim 1, wherein the synthetic polymer pad (4) is a combination of a plurality of pieces having an intaglio and an embossment.

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