JPH07517Y2 - Vegetation mat - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vegetation mat used for, for example, a greening method on a slope.

[0002]

2. Description of the Related Art Generally, on slopes of soil such as hillsides formed by road construction and land preparation, or slopes of railways, plants are planted and planted to protect the landscape and preserve the landscape. Is being done. And in order to perform such greening, conventionally, on the lower surface of the growing substrate formed by mixing soil improver, organic fertilizer, and composting material, a jute fiber felt containing fertilizer is provided and a knitted fabric of jute fiber is provided. A vegetation mat is used that is covered with a seeded cloth that has seeds between it and a cotton body, and is integrally sewn together so that ridges are formed at regular intervals in the width direction. (See, for example, Japanese Utility Model Publication No. 3-20348).

[0003]

As described above, this conventional vegetation mat has the jute fiber felt provided on the lower surface of the growing substrate, and the entire thickness of the mat is large.
Moreover, since the jute is in contact with the slope, it is difficult to settle down along the slope and is not familiar with the slope. As a result, the jut and the growth substrate were easily lifted from the slope, which was a cause of poor growth.

The present invention eliminates the above-mentioned problems, and provides a vegetation mat which is excellent in the familiarity with the slope of the vegetation material containing seeds and which is good in the germination and growth of seeds. To aim.

[0005]

In order to achieve the above object, the vegetation mat of the present invention is provided with a partially soluble sheet on the surface side of a vegetation material formed by mixing a soil conditioner, a fertilizer and an organic material. At the same time, a water-soluble sheet is provided on the back surface side, the edge portions of the front and back sheets are integrally joined, and at least the front and back sheets are joined together at predetermined intervals in the width direction.

In order to achieve the above object more effectively, the vegetation mat of the present invention is provided with partially soluble sheets on both front and back surfaces of a vegetation material formed by mixing a soil improving agent, a fertilizer and an organic material. The front and back sheets are joined together at their peripheral portions, and at least the front and back sheets are joined together at predetermined intervals in the width direction.

[0007]

[Function] When the vegetation mat of the present invention constructed as described above is installed on the slope, the lower surface of the vegetation material is a thin sheet, so unlike the conventional method, it fits well along the slope and from the slope It works so that it sticks to this without floating.

Further, in any of the above-mentioned inventions, since the back sheet is made of a water-soluble or partially-soluble material, once it is exposed to rainfall, it melts quickly and the entire back surface of the vegetation material is dissolved. Alternatively, it works to bring the part into close contact with the slope.

Furthermore, since the surface sheet is made of a partially soluble material, even if it is exposed to rainfall, it is only partially dissolved by raindrops, and the vegetation material and the vegetation seeds are not dissolved by rain. To prevent germination and facilitate germination of vegetative seeds.

【Example】

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a partially cutaway perspective view of a vegetation mat of the present invention, FIG. 2 is an enlarged explanatory view of an essential part, 1 is a vegetation material, 2 is a partially soluble sheet provided on the surface side of this vegetation material, 3
Is a water-soluble sheet provided on the back surface side of the vegetation material. The vegetation material is sandwiched between the front and back sheets, and both ends are sewn together with a small mesh. In addition, the middle part is coarse mesh, with a predetermined interval in the width direction (3 rows in the example),
Both sheets are sewn 5 together with the vegetation material along the length direction. This sewing is done with a large sewing machine.

As the vegetation material 1, known materials can be adopted,
As an example, the seeds such as monocotyledons and dicotyledons, and fertilizers and soil improvers and water retention agents consist of vegetation base materials that are directly or indirectly necessary for plant growth, and specifically, bark compost and It is obtained by mixing organic materials such as peat moss, inorganic materials such as vermiculite and partite, other soil conditioners and general chemical fertilizers, and mixing the above seeds. This vegetation material is filled as it is in the bag body a formed of both the sheets, or it is shaped like a plate by a means such as a compression press and is covered with the bag body a. Further, if necessary, a sizing agent such as Poval, a base soiler, and a vinyl acetate-based powder emulsion is kneaded with the vegetation material, which is preferable because the shape retention is improved.

The partially soluble sheet 2 on the front side is shown in FIG.
As shown in, a sheet-like body 6 made of pulp fibers, polypropylene fibers, and powdery or fibrous polyvinyl alcohol, and warp yarns 7 and weft yarns 8 on one surface of the sheet-like body 6 are used. Kaya ground 9 of 2-8mm
Are formed by joining. Specifically, the sheet-like material has 30 to 50% of pulp fibers and 35 to 45% of polypropylene fibers.
And 10 of powdery or fibrous polyvinyl alcohol
.About.30%, and as the kaya, for example, a warp vinylon 30 count 10 yarns × weft yarn 6 staples / inch is used. When this sheet-shaped body 6 is manufactured by skiage, the sheet-shaped body 6 and the kaya 9 are bonded to each other so that the polyvinyl alcohol, which is a constituent material of the sheet-shaped body 6, is joined and integrated to partially dissolve the sheet-shaped body 6. The property sheet 2 is formed.

Next, the water-soluble sheet 3 on the back side is composed of pulp fibers, polypropylene fibers and powdery or fibrous polyvinyl alcohol. Specifically, 30 to 50% of pulp fibers and polypropylene fibers are used. 35-45% of
And 10 of powdery or fibrous polyvinyl alcohol
Formed with ~ 30%.

In both the sheet-like body 6 of the partially soluble sheet 2 on the front surface side and the water-soluble sheet 3 on the back surface side, when the proportion of the fiber added is 30% or less, polyvinyl alcohol due to water absorption is obtained. The problem of dispersibility associated with the dissolution of, and the problem of strength also occurs, on the other hand, in the case of 50% or more, the addition ratio of the polypropylene fiber and polyvinyl alcohol is reduced, the problem of solubility due to water and Strength problems occur. Further, when the proportion of polypropylene fiber added is 35% or less, solubility problems due to moisture and strength problems occur, while when it is 45% or more, addition of the pulp fibers and polyvinyl alcohol is added. The proportion is reduced and solubility problems occur. Furthermore, when the addition ratio of the polyvinyl alcohol is 10% or less, the problem of solubility due to moisture occurs, while when it is 30% or more, the addition ratio of the pulp fibers and polypropylene fibers is reduced. Therefore, a strength problem occurs.

From the above, the pulp fiber, the polypropylene fiber and the polyvinyl alcohol are blended in the above proportions to ensure the solubility and the constant strength. Preferably, softwood pulp fibers are used as the pulp fibers, 40% of the pulp fibers, and polypropylene fibers having a denier of 5 mm and a length of 5 mm are used. As the alcohol, a fiber having a thickness of 1 denier and a length of 3 mm is used, and is formed with 20 to 30% of this polyvinyl alcohol. Then, a sheet such as the non-woven fabric shown in FIGS. This sheet is
Since the polyvinyl alcohol is used as the material, the polyvinyl alcohol is rapidly dissolved due to absorption of water, and the pulp fibers and polypropylene fibers are in a dispersed state, so that seed germination and germination are extremely excellent. Becomes As the polyvinyl alcohol, it is needless to say that powdery polyvinyl alcohol can be used, and since the powdery polyvinyl alcohol is dissolved at room temperature, the solubility of the sheet in water at room temperature is increased. It will be convenient for you. The pulp fiber, polypropylene fiber, and polyvinyl alcohol are not necessarily limited to the above blending ratio.

Instead of the water-soluble sheet on the back side, a partially soluble sheet similar to the sheet on the front side can be used. In addition to the above, the back sheet is a water-soluble film made of polyvinyl alcohol, or a dispersible non-woven fabric made of staple fiber, and the water-soluble film or dispersible non-woven fabric is laminated with the above-mentioned kaya. The partially soluble sheet obtained by the above can be adopted. In addition to the above, the sheet on the surface side is a partially soluble sheet obtained by laminating a water-soluble film made of the polyvinyl alcohol or a dispersible non-woven fabric made of soup and the kaya. Can be adopted. If both the front and back sides are partially soluble sheets, the seeds and vegetation material can be prevented from running away more effectively, and seed germination and growth can be significantly promoted.

In the bag body a, as shown in FIG. 3, one wide sheet 10 is folded in two at the center 11 in the width direction without separating the front and back sheets from each other, and the free end sides 12, 12 are formed. It is also possible to superimpose them on each other and perform heat fusion 4a to form them. Also, the intermediate portion may be heat-bonded 5a linearly along the length direction at predetermined intervals in the width direction. Needless to say, in this case as well, sewing using a thread may be performed.

As the seeds, seeds of exotic plants such as grass and seeds of native plants such as flower plant seeds, wild grass and trees are appropriately adopted. Specifically, as seeds of grass, Are Gleeping Sid Fescue, Highland Bentgrass, Red Top, Bermudagrass, Kentucky Bluegrass, etc. As flower plant seeds,
Yellow daisy, chrysanthemum France, large pheasant chrysanthemum, rowing and grass, Haetori pink, California poppy, Murasakihanana, Baby's Breath, cosmos, cockscomb, Kawaranadeshiko, there is a Gaillardia pulchella, etc., also, as a wild grass seed, mugwort, Japanese pampas grass, Medohagi, There is a history. Furthermore, as tree plants, red pine, yashabushi, weasel,
There are Yamahagi and Komatsunagi. Further, flower plant seeds such as annual flower plants and perennial flower plants and tree seeds may be appropriately mixed.

The vegetation mat constructed as described above is housed in a housing portion formed between the both nets of a net-like body having a double structure consisting of a front net and a back net, as shown in FIG. In addition, it is laid on the soil quality slope 13 such as a hillside, or it is installed on the slope stepwise and the upper surface is covered with a wire mesh and anchors are driven at appropriate intervals and directly installed on the slope. However, in any case, unlike the conventional method, by adopting a water-soluble or partially soluble sheet, it is possible to lay the back surface of this vegetation mat in close contact with the slope very easily and reliably. it can. And, polyvinyl alcohol is quickly dissolved by water,
Due to the dissolution of the polyvinyl alcohol, the pulp fibers and the polypropylene fibers are in a dispersed state, and most of the back surface of the vegetation material 1 easily adheres to the slope 13 without forming a gap, Various offspring mixed in the vegetation material 1 satisfactorily germinate and germinate reliably, and the soil slope can be greened.

Since a partially soluble sheet is used in the present invention, seeds and vegetation materials are covered with this partially soluble sheet at the beginning of laying on the slope.
It never leaks. And, for example, when there is rainfall, the sheet dissolves rapidly due to raindrops, so that the seeds can easily germinate, but the movement of the seeds and vegetation material is caused by the migration of the poorly soluble material to the kaya or the sheet remaining portion. The seedlings that are well maintained and germinated from the seeds can be grown more reliably by receiving the fertilizer and the water.

Further, in the vegetation mat, both the front and back sheets and the vegetation material are integrally sewn together at predetermined intervals in the width direction, so that there is little risk that the vegetation material inside will be inadvertently moved after the vegetation mat is produced. , It is easy to always make the thickness of the mat uniform throughout the mat. Also, as shown in FIG.
Even when the front and back double-sided sheets are integrally heat-sealed, the same effect as when the vegetation material is integrally sewn is exhibited.

[0022]

Since the present invention is constructed as described above, it has the following effects. The sheets on both the front and back sides of the vegetation mat are thin-walled sheets that fit better on the slope than conventional ones, so when laid on the slope,
It is very easy and surely adheres to the slope without forming a gap with the slope, and the vegetation material including seeds in this vegetation mat has a very good familiarity with the slope and is excellent in vegetation. Good germination and growth.

Moreover, since the sheet-like body on the surface side of the vegetation mat is composed of a partially soluble sheet and disperses and dissolves rapidly when exposed to rain or dew, seeds germinate well and germination can be ensured. Moreover, the seeds and vegetation materials are well prevented from running away, and the germination and growth of seeds are greatly promoted.

In particular, in the present invention, since the back sheet is composed of a water-soluble sheet or a partially-soluble sheet, it rapidly dissolves or disperses and dissolves when exposed to rain or dew, and the vegetation material quickly spreads on the slope. Familiar, good prevention of vegetation material drying, promotes better germination of seeds.

Further, by making the sheet on the back side a partially soluble sheet, runoff of the vegetation material can be effectively prevented, which further contributes to promotion of seed germination and growth.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a vegetation mat.

FIG. 2 is an enlarged explanatory view of a main part.

FIG. 3 is an enlarged explanatory view of a main part showing a modified example of the bag body.

FIG. 4 is a cross-sectional view showing an example of a method of greening the slope using a vegetation mat.

[Explanation of symbols]

 1 Vegetation material 2 Sheet on the front side 3 Sheet on the back side 4 Sewing 4a Thermal fusion 5 Sewing 5a Thermal fusion 9 Kaya 10 Sheet 13 Slope

Front page continuation (72) Inventor Mitsunaga Enka 1 Japan Vegetation Co., Ltd. at 590 Takao, Tsuyama City, Okayama Prefecture (72) Inventor Shunta Tada 1 At 590 Takao, Tsuyama City, Okayama Prefecture Japan Vegetation Co., Ltd.

Claims (2)

[Scope of utility model registration request] 1. A partially soluble sheet is provided on the front surface side of a vegetation material formed by mixing a soil conditioner, a fertilizer, and an organic material, and a water-soluble sheet is provided on the back surface thereof, and the sides of both the front and back sheets are provided. A vegetation mat in which edge portions are integrally joined, and at least both front and back sheets are integrally joined at predetermined intervals in the width direction. 2. A partially soluble sheet is provided on both front and back surfaces of a vegetation material formed by mixing a soil conditioner, a fertilizer, and an organic material, and edge portions of these front and back sheets are integrally bonded, and A vegetation mat in which at least both front and back sheets are integrally joined at predetermined intervals in the width direction.