JPS63176502A - Execution of artificial turf - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a construction method for laying artificial turf on an artificial turf ground or the like.

[Conventional technology]

Artificial turf is widely installed from grounds such as baseball fields, tennis courts, and gateball fields to gardens and balconies.

There is a limit to the size of a single piece of artificial turf due to the manufacturing machine, and there is also a limit to the size of courts, etc., so it is rare to lay one piece of artificial turf on a single court, but several sheets. It is common to patch together artificial turf.

Conventionally, this joint was made by pasting the edges of the artificial turf together with adhesive.

FIGS. 2A and 2B are cross-sectional views of the joints of conventional artificial turf.

In Figure 2 A, a stable base 2 of asphalt concrete is poured on top of the stratum 1, and a cushioning material 3 is laid on top of it.
On top of that, artificial turf 4.4' is laid, and at the joint part 5 of the artificial turf 4, the end surface 6 of the artificial turf 4 and the artificial turf 4'
The end face 6' of is fixed via an adhesive 7. FIG. 2B shows a case where the cushion material 3 does not have a seam portion.

[Problem that the invention seeks to solve]

However, when the conventional artificial turf construction method as described above is used for a long period of time, the end surfaces of the artificial turf at the joints of the artificial turf tend to fray and tear. This is thought to be because sand and rainwater enter the joints, weakening the adhesive strength and causing the artificial turf pile threads to fray at the edges, and as the player's movements cause the fraying to grow larger, the pile threads gradually fall off. In this way, if the joints begin to fray, the artificial turf will partially peel off, causing problems in ball games.

The present invention was obtained as a result of studies to eliminate the drawbacks of the conventional artificial turf construction methods.

Therefore, an object of the present invention is to provide a method for constructing artificial turf in which the strength of the joints of the artificial turf is strong and damage caused by peeling or the like is prevented.

[Means for solving problems]

In order to achieve the above object, the present invention takes the following measures.

That is, in the artificial turf construction method of the present invention, a cushioning material is laid on a stable base, and when multiple sheets of artificial turf are jointed and laid on top of the cushioning material, cuts are made into the cushioning material along the joints of the artificial turf. The edge of the artificial turf is embedded in the cut and fixed with an adhesive.

The stable base in the present invention is preferably concrete, asphalt, or cement, but may also be leveled land itself.

Cushioning materials include sheets of felt, foam, rubber,
It is not particularly limited as long as it absorbs impact from the surface, such as a synthetic resin elastic body.

Conventionally known artificial grass can be used. That is, it is possible to use a material in which pile threads made of flat threads of synthetic fibers are flocked to a base material by the tufting method or the Russell method, and the pile is anchored with a backing material.

In the present invention, a cut is formed in the cushioning material at the joint part of the artificial turf, but this cut may be simply a slit, or it may be a groove with a U-shaped or 7-shaped cross section. .

The edge of the artificial grass is overlapped by the amount to be embedded in the cushioning material, and if necessary, the pile threads in that portion are cut or removed, and the cushioning material is wrapped around and embedded. At this time, an adhesive is inserted between the cushioning material and the artificial turf base material or between the surfaces of the adjacent artificial turf ends to fix the cushioning material and the artificial turf base material. The adhesive may be colored by mixing it with green toner.

FIG. 1 is a sectional view of a joint portion in the artificial turf construction method of the present invention.

Place a stable foundation 2 made of asphalt on top of the land 1,
A cushioning material 3 made of a synthetic rubber sheet is laid on top of it, and an artificial grass 4.4' is laid on top of it. At the joint part 5 of the artificial grass 4, 4', the cushion material 3 has a cross section U.
A letter-shaped notch 8 is formed. Adhesive 7 is applied to the inner wall of the notch 8, and artificial grass 4.
The ends 9, 9' of 4' cut the pile yarn 10,
It is embedded so that the surfaces are joined. Adhesive 7 is also applied to the bonding surface of the end portion 9.9' and fixed.

[For production]

In the present invention, the end surfaces of the artificial turf at the joint portion of the artificial turf are buried in the notches of the cushioning material and fixed with an adhesive, so that no fraying occurs.

In addition, since the artificial turf surfaces are joined together at the joints, they are resistant to the intrusion of dirt and rainwater, and can withstand the movements of players.

〔Example〕

This article describes an example in which artificial turf was installed on a soccer practice field (36m x 30m). The first step was to lay down the cushioning material. Approximately 350g of urethane two-component adhesive is applied to the alphalt concrete base using a compressor.
m'' spray coating, and a butyl rubber sheet with a thickness of 15 cm was laid on top of it to join the base and cushion material.

As a second step, we determined the position of the cut groove in the joint and adjusted the dimensions of the artificial turf.

As the third step, a V-shaped cut groove with a depth of 8D and width of 8D was made using a cutter knife along the cut groove position that had been made on the cushion material, and defective areas were corrected using a sander. .

As the fourth step, one area of artificial turf (1.8 m x 1
Approximately 600 g/m of green toner adhesive was applied to the entire surface including the cut grooves in 5 m) portions, and after about 30 minutes, the artificial grass was pasted and the edges of the artificial grass were embedded in the cut grooves. The entire area of the practice area was laid.After laying, approximately 1 hour after the initial adhesive force (tack) of the adhesive appeared, the entire area was rolled using a compaction roller (100kg) and the construction was completed.Four years have passed since completion. At present, the joints of artificial turf do not wear out and do not need to be repaired (we are able to maintain highly durable joints).

C Effect of invention] The present invention exhibits the following effects.

(1) By burying the edges of the artificial turf at the joint in the notches of the cushioning material, the strength of the joint is significantly strengthened and the durability of the artificial turf ground is improved.

(2) Since the pile yarns at the joints are continuous, the joints are not noticeable and a beautiful artificial turf field can be created.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of the artificial turf joint part of the artificial turf ground using the artificial turf construction method of the present invention, Fig. 2 A and Fig. 2 B
is a sectional view of a conventional artificial turf joint. 2... Stable base, 3... Cushioning material, 4... Artificial grass, 5... Joint portion, 6... Adhesive, 8...
・Cut, 9... End, lO... Pile thread, 11.
··Base material.

Claims (1)

[Claims] When laying cushioning material on a stable base and joining multiple pieces of artificial turf on top of it, make a notch in the cushioning material along the joint of the artificial turf, and insert the edge of the artificial turf into the notch. An artificial turf construction method characterized by filling the turf and fixing it with an adhesive.