JPH086283B2 - Artificial lawn athletic stadium partly repair method and artificial grass for repair - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rehabilitation method for partially rehabilitating an artificial lawn athletic stadium due to wear or the like and a lawn therefor, and more specifically, in a line such as tennis or soccer. The method of repairing a part including a line in an athletics competition and the artificial grass for repair.

[0002]

2. Description of the Related Art Flat straight-hair split yarns or monofilament yarns made of synthetic resin such as nylon or polypropylene are planted on a base cloth at a distance by tufting or the like. An athletic stadium with artificial grass is widely spread. In such an artificial lawn athletic field, when playing a game within a predetermined line such as tennis, soccer or rugby, it is necessary to provide a predetermined line on the artificial lawn. Although such a line is simply a method of using paint, it is difficult to permanently attach it to a large number of thin synthetic resin yarns, and in general, a yarn colored in white or yellow is planted. It is done by things.

Although such an artificial lawn stadium is worn out for a long period of time, the wear is greatest near the line where the athlete stops. Such wear reduces the length of the grass, creates irregular bands on the ball, and impairs the feeling of landing for the player. In addition, in an artificial lawn with sand in which sand is placed in the grass, the sand in the worn portion is reduced and the sand becomes lighter. Artificial grass with sand is often laid down on the base due to the weight of the sand, and it is connected to the adjacent artificial grass with joint tape etc. The load on the artificial lawn works strongly on the joint part of the artificial grass, and the joint part may open. However, such wear is significantly worn around the baseline in tennis courts, for example, compared to other places, and repairing only around this baseline is sufficient for subsequent use.

Next, the conventional repairing method will be described with reference to FIGS. 3 and 4 by taking a tennis court as an example. In the case of newly laying a tennis court with an artificial lawn, for example, three artificial lawns with a width of 3.66 m are used. Lay 1, 2 and 3 with the tuft direction aligned with the longitudinal direction of the tennis court, and the length is 23.77.
m and 10.67 m across to form a coat. The base line 4, service line 5, center line 6, singles side line 7, doubles side line 8 and center mark 9 which compose the coat are pre-implanted with white or yellow colored yarn to a predetermined width and length. It is formed by that. In this example, artificial grasses 1 and 3 are planted with a singles side line 7 and a doubles side line 8 in the longitudinal direction, and a base line 4 and a service line 5 in the width direction, respectively. A center line 6 and a service line 5 are planted in the width direction. When repairing the area around the heavily worn base line 4, cut the artificial lawns 1, 2 and 3 into the widths indicated by the one-dot chain lines in Fig. 3, and insert the artificial lawns 11, 12 and 13 for repair into the tufts. Lay it so that the direction is the same as the artificial grass 1, 2, 3. The artificial grasses 11, 12, 13 are trimmed so that the grass length is the same as that of the artificial grass that is not repaired. Next, in the artificial grasses 11 and 13, the parts corresponding to the baseline 4, the singles side line 7 and the doubles side line 8 are cut into 5 to 10 cm, and in the central artificial grass 12, the baseline 4 and the center mark 9 are cut. Similarly, the portion corresponding to is cut. A rehabilitation line lawn made of artificial lawn having a predetermined line width and colored in white or yellow is cut into a predetermined length and embedded in these cut portions. That is, each artificial lawn 1
One remodeling line lawn 14 corresponds to the part of the base line 4 which is linearly continuous with 1, 12, 13 and each singles side line 7 and doubles side line 8 of the artificial lawns 11 and 13. The repair line lawn 15, 16, 17, 18 is embedded in the portion, and finally, the portion of the center mark 9 of the artificial lawn 12 is cut and the repair line lawn 19 is embedded therein. Therefore, the artificial grasses 11 and 12 are located behind the base line 4 on the right side in FIG. 3, a portion surrounded by the singles side line 7 and the doubles side line 8, and the artificial grass adjacent to the singles side line 7. The artificial lawn 12 is divided into two parts from the baseline 4 and divided into three parts, which are surrounded by 12 and 8, respectively, which is a total of eight parts.
The refurbishment line lawn will also be divided into six. As shown in FIG. 4, the divided artificial grasses and artificial grasses and the repair line grasses are connected by a joint tape 20 coated with an adhesive 20a.

[0005]

In order to repair the portion of the baseline 4 in this way, three artificial grasses 11,
12 and 13 and one long repair line lawn are prepared, and the artificial lawn 11, 12, and 13 are divided into 8 as described above, and the repair line lawn is also 6 along each line. It is necessary to cut and embed a total of 14 pieces while fixing their joints with a joint tape, and the workability is extremely poor. Therefore, by preparing a repair artificial grass to be embedded behind the base line 4 and a repair artificial grass in which the singles side line 7 and the doubles side line 8 are tufted in advance, 6 pieces of the repair artificial grass and the base are prepared. It is possible to make a total of 8 pieces of rehabilitation line lawn for lines and center marks, but it is uneconomical and expensive because two types of rehabilitation artificial lawn must be prepared, one with and without a line. I have no choice. In addition, there is a risk of the joint opening at this portion because a joint portion is formed adjacent to the baseline that is most frequently stepped on.

In any case, in order to align the tuft direction of the refurbished artificial lawn with the unrepaired part of the artificial lawn in the tuft direction, there is no choice but to divide into 14 to 8 pieces as described above. Therefore, as a result of examining how to reduce the number of pieces required for rehabilitation, even if the tuft direction of the artificial grass of the rehabilitation part is not necessarily aligned with the tuft direction of the artificial grass of the part that is not rehabilitated, the bounce of the ball and the feeling of landing of the player It is an object of the present invention to provide a repairing method and a lawn for repairing with a small number of divisions, finding that the damage does not occur.

[0007]

In the method for partially repairing an artificial lawn athletic stadium according to the present invention, a repairing line lawn is integrally planted at a predetermined distance from an end in the width direction orthogonal to the longitudinal direction. Prepare a strip of artificial lawn for repair, cut out the part of the artificial lawn stadium that includes the line to be repaired, only the part that corresponds to the width of the artificial grass for repair, and cut the artificial grass for repair to this cut part. Embed the lawn so that it aligns with the existing line, fix the joint with the existing artificial lawn with bonding material, and if there is a line that intersects with the line to be repaired in the cut out part, align with this intersecting line As described above, the repair line grass is provided with a cutting portion, and the line grass is embedded in the cutting portion.

The artificial lawn for partial renovation of the artificial lawn athletic stadium of the present invention is a belt-like artificial lawn, and the line width of the coat is spaced from the edge in the width direction orthogonal to the longitudinal direction by a predetermined distance. The line lawn having a width corresponding to is integrally planted so as to extend in the longitudinal direction.

[0009]

[Function] When repairing a part including a line due to wear or the like, the existing artificial grass is stripped off by a width corresponding to the length from the repair line of the artificial grass for repair to both end edges in the width direction,
The artificial grass for repair can be embedded here, and the joint with the existing artificial grass can be repaired by a simple process of fixing with a bonding material, and the joint near the line that is frequently stepped on with feet. Since there is no joint, the risk of joint opening can be avoided. In addition, if there is a line that intersects with the line to be repaired in the cut out part, a cutting part is provided in the repair line lawn so as to align with this intersecting line, and a separately prepared line lawn is provided in this cutting part. It can be embedded and fixed. Therefore, the number of pieces of artificial lawn or line lawn required for repair can be extremely reduced, which reduces the number of joints and allows the repair process to be prepared.

Further, since the artificial grass for partial repair is lined with a line grass having a width corresponding to the line width of the court, the artificial grass part to be repaired is aligned with the artificial grass for partial repair. It only needs to be stripped off and fixed in line with the existing line, which is extremely easy to retrofit. In addition, this artificial grass for partial renovation has no joint near the line that is frequently stepped on with feet,
The risk of joint opening in this part can be avoided.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention shown in FIGS. 1 and 2 will be described below. In addition, similar to the above-mentioned conventional example, the case where the vicinity of the base line of the tennis court is repaired is taken as an example, and the substantially same components as those in the conventional example are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 2, the repair artificial grass 21 is composed of a single belt-shaped artificial grass in which the tuft direction is aligned with the longitudinal direction, and is substantially in the width direction orthogonal to the longitudinal direction of the repair artificial grass 21. There are 5 line grasses 22 colored in white or yellow at the center, preferably at a position where the width a is longer than the width b.
It has a width of 10 cm and is formed so that the tuft direction is aligned with the longitudinal direction. Width a is wider than 30 cm,
The width b is preferably wider than 20 cm. The artificial grass for repair 21 has a length in the width direction of the tennis court.
Cut from the part of the dotted line A so that the length becomes 67 m. next,
A first cutting portion 23 cut to the line width of the doubles side line 8 is provided in each of the widths b from the line grass 22 at both ends in the vertical direction of the artificial grass for repair 21, and the single grass of the artificial grass 1, 3 is laid when laid. The second cutting portion 24 is provided so as to communicate with the side line 7. Further, a third cutting portion 25 for the center mark 9 is provided at the center of the line lawn 22.

Next, a portion of the tennis court to be rehabilitated is cut out from the base line 4 to the width a and from the base line 4 to the width b, and is cut into the above-mentioned tennis court in the width direction. 21 is embedded. And this artificial turf 21 for repair and existing artificial grass 1, 2, 3
The joint tape 20 to which the adhesive 20a is applied is joined to the joint portion with the same as in the conventional example described above. Next, it is the same color as the line grass 22 prepared separately and is 5-10.
A refurbishment line lawn having a width of cm is cut to a length corresponding to the first, second and third cutting portions 23, 24 and 25 and embedded as line lawns 26, 27 and 28. These fixing points are also joined to the artificial grass 21 for repair by the joint tape 20.

Therefore, one artificial lawn and two line lawns for doubles side 26, 26 for singles side, and two line lawns for singles side 27 and 27 for center mark are required for repair. 6 pieces in total, the number of joints by the joint tape is reduced, and the risk of joint opening can be significantly reduced. Also, since the baseline that is most often stepped on with foot is produced in the same way as the artificial grass for repair 21 and there is no joint part, there is no need to worry about the joint opening as grass after repair, play with confidence. You can

The width a from one edge of the repair artificial grass 21 to the line grass 22 is 30 cm, and the width b from the other edge of the repair artificial grass 21 to the line grass 22.
The minimum length is defined as 20 cm because the wear is the most severe in this range in the case of the baseline, and it is possible to increase the durability of the coat after the repair without forming a joint part in this part.

In the above-mentioned embodiment, a tennis court is taken as an example, but it is of course applicable to partial repair of soccer and rugby courts, and can also be provided to an artificial lawn stadium without sand.

[0017]

As described above, the method for partially repairing an artificial lawn athletic stadium according to the present invention provides a belt-shaped artificial turf for repairing in which a repairing line turf is integrally planted, Cut out the part including the line to be repaired only the part corresponding to the width of the artificial grass for repair, embed the artificial grass for repair in this cutout part so that the line grass for repair aligns with the existing line, and Fix the joining part of with a joining material, and if there is a line intersecting the line to be repaired in the cut out part, provide a cutting part on the repair line lawn so as to align with this intersecting line, and for this cutting The number of joints where line grass is embedded is extremely small, and the number of joint processing points associated therewith can be reduced, and repairs can be performed by an extremely simple process. Further, since there is no joint near the line where the foot is stepped on relatively frequently, the risk of joint opening can be avoided.

Further, in the artificial grass for partial renovation according to the present invention, the line grass having a width corresponding to the line width of the court is integrally planted. It just needs to be stripped to fit the lawn and fixed in line with the existing lines, making it extremely easy to retrofit. Further, since there is only one line and it can be used for repairing various line parts, mass production is possible and it can be provided at low cost.

[Brief description of drawings]

FIG. 1 is a plan view showing a part of a tennis court repaired by an embodiment of a partial repair method of the present invention.

FIG. 2 is a plan view showing a part of the artificial grass for partial repair in this embodiment.

FIG. 3 is a plan view showing a part of a tennis court repaired by an example of a conventional partial repairing method.

FIG. 4 is a schematic vertical sectional view showing the joint portion.

[Explanation of symbols]

 1,2,3 Artificial grass 4 Baseline 5 Service line 6 Center line 7 Singles side line 8 Doubles side line 9 Center mark 20 Joint tape 21 Repair artificial grass 22 Line grass 23 First cutting part 24 Second cutting part 25th 3 cutting parts 26, 27, 28 line lawn

Claims (2)

[Claims] 1. A belt-shaped repair artificial lawn in which repair line grass is integrally planted at a predetermined interval from a widthwise end edge orthogonal to the longitudinal direction is prepared to repair the artificial grass stadium. Cut the part including the power line only in the portion corresponding to the width of the artificial grass for repair, and embed the artificial grass for repair in this cutout portion so that the line grass for repair is aligned with the existing line. Fix the joint with the lawn with a joint material, and if there is a line that intersects with the line to be rehabilitated in the cut out part, provide a cutting part on the rehabilitation line lawn so as to align with this intersecting line , A method of partially renovating an artificial stadium made of artificial lawn, characterized by embedding a line lawn in this cutting part. 2. A belt-shaped artificial lawn, wherein a line lawn having a width corresponding to the line width of the coat extends in the longitudinal direction at a predetermined interval from a widthwise end edge portion orthogonal to the longitudinal direction. Artificial lawn made for artificial turf, which is characterized by being planted in one piece.