JP2010148527A - Bag body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bag body having water permeability on an upper part, improving a fixation ratio of roots of grass such as lawn, flowers, and trees to be cultivated, and stably holding the plants. <P>SOLUTION: This bag body 50 is a bag body for filling artificial lightweight soil 53 in the inside, and is formed by an upper part 51 made of a woven fabric having regularly arranged mesh 54, and a bottom part made of a nonwoven fabric having water permeability, and root preventing properties of passing no plant root. The woven fabric forming the upper part 51 is knitted so as to form the mesh 54 regularly arranged by warp and weft. The roots of grass such as lawn, flowers, and trees invade from the mesh 54 and twist about the artificial lightweight soil 53, and also the warp and weft, so plants are firmly fastened to the bag body 50 so as to fix onto the upper surface of the bag body 50. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a bag body for cultivating grass, flowers, trees and the like such as turf by filling artificial lightweight soil inside.

  In urban areas where the exhaust heat from buildings and condominiums, automobiles, and heat from asphalt are large, the heat island phenomenon, where the temperature is higher than in the suburbs, is a problem. As a method for mitigating such a heat island phenomenon, it is considered to save energy, insulate the building, or green the wall surface or roof of the building. In particular, the greening of the roof of a building has attracted much attention in recent years because it can greatly reduce the heat transferred to the building.

  Various greening systems have been developed to promote the greening of the building roof as described above. For example, the ground cover plant cultivation unit described in Patent Document 1 is one in which artificial lightweight soil is filled in a bag. A large number of bags of this ground cover plant cultivation unit are arranged and fixed, and plants can be cultivated in this bag to greenen the roof of the building.

JP-A-8-149905

In patent document 1, since the upper surface part of a bag body is formed with the nonwoven fabric which has a root root property and water permeability which can let the root of a ground cover plant pass in a bag body, many roots penetrate the nonwoven fabric. It is described that it reaches artificial soil and can stably fix the root of the ground cover plant to the bag. However, non-woven fabrics are originally fabrics that are made by mechanically, chemically and thermally treating fiber sheets (webs) without joining them in the form of yarns, and joining them with the adhesive or the fusing power of the fibers themselves. Although water permeability and air permeability can be secured, it is difficult for the root of the ground cover plant to penetrate the nonwoven fabric. In particular, the side roots and beard roots that grow from the main roots, the root hairs that grow on these roots, etc. are very soft and do not have enough strength to penetrate the nonwoven fabric, so it is considered very difficult to get entangled with the bag body .
Therefore, the present invention provides a bag in which the upper surface portion has water permeability and has a high root fixation rate of grass, flowers, trees, etc., such as turf to be cultivated, and can stably hold these plants. The purpose is to provide a body.

  The bag body of the present invention is a bag body filled with artificial lightweight soil, and has an upper surface portion formed of a woven cloth having regularly arranged meshes, water permeability and plant roots. It has the bottom part formed with the nonwoven fabric which has the root-proof property which does not let it pass.

  The upper surface of the bag body filled with artificial lightweight soil is formed of a woven fabric woven with warp and weft. As a result, a regularly arranged mesh is formed on the upper surface of the bag. Since the upper surface portion of the bag body has a mesh, all roots of grass such as grass and flowers, and plants such as trees invade from a plurality of meshes and entangle with the artificial lightweight soil inside the filled bag body. In addition, these roots enter the inside through the mesh while being entangled with the warp and weft of the woven fabric. In this way, the roots are firmly fixed and fixed to the bag body, so that the plant can be stably held. Further, even soft root hairs in a state of just germinating from seeds can easily enter the inside from a plurality of meshes on the upper surface without resistance. Therefore, plants can also be cultivated from the seed state.

In addition, if plant roots overhang from the bottom of the bag body, the roots stick to the wall of the container or concrete where the bag is placed, contaminating or damaging the wall of the container or concrete. Sometimes
In the bag of the present invention, the bottom portion is formed of a non-woven fabric having water permeability and a root-preventing property that does not allow the roots of plants to pass through. Although it is discharged, the roots of the plants that invade through the mesh on the top surface of the bag body and entangled with the artificial lightweight soil to be filled do not protrude outside from the bottom surface of the bag body inside the bag body. Can grow. Therefore, it is possible to prevent damage to the walls of the container and the concrete, which is caused by the root of the plant projecting from the bottom surface of the bag body, while improving drainage inside the bag body.

The woven fabric is preferably formed of non-biodegradable fibers.
If weaving fabric is made with warp and weft formed of biodegradable fibers, the upper surface of the bag body will be decomposed during plant cultivation, and artificial lightweight soil will pop out from this decomposed part. The foundation part for cultivating plants collapses. If it becomes so, it will become difficult to hold | maintain the plant cultivated on the upper surface part of the bag body stably. On the other hand, the warp and weft of the woven fabric forming the upper surface of the bag of the present invention are formed of non-biodegradable fibers so that they are not decomposed even during plant cultivation. Therefore, the artificial lightweight soil can be kept securely, and the root of the plant is firmly entangled with the warp and weft forming the upper surface portion of the bag body and the artificial lightweight soil to be filled. Since it can be maintained, the plant can be maintained in a semi-permanently stable state.

Further, it is desirable that the mesh is formed larger than 0.5 mm square and smaller than the artificial lightweight soil.
The size of the mesh is larger than 0.5 mm square, and smaller than the artificial lightweight soil, so that the roots of the plant can easily enter from the mesh while maintaining water permeability. It is possible to make it easy to get entangled with the warp and weft, and to prevent the artificial lightweight soil filled inside from jumping out of the bag. When the mesh size is smaller than 0.5 mm square, water permeability is lowered, and roots such as trees having a large root diameter are less likely to enter the bag body or become entangled. Further, if the mesh is made larger than the artificial lightweight soil, the artificial lightweight soil protrudes from the bag body, and the bag body cannot hold the artificial lightweight soil inside.

The present invention has the following effects.
(1) Since the upper surface part of the bag body filled with artificial lightweight soil is formed of a woven cloth having a regularly arranged mesh, plants can be stably held. In addition, plants can be grown not only from plants that have grown to some extent but also from seeds. Therefore, the types of plants that can be cultivated increase and the growth process of these plants can be enjoyed.
(2) Since the woven fabric that forms the upper surface portion of the bag body is formed of non-biodegradable fibers, the upper surface portion of the bag body is not decomposed even during plant cultivation. Can be held.
(3) The size of the mesh is formed larger than 0.5 mm square, and smaller than the artificial lightweight soil, so that the root of the plant can easily enter from the mesh while maintaining water permeability. It is easy to make it easy to get entangled with the warp and weft. Moreover, since it can prevent artificial lightweight soil from jumping out of a bag body, it can prevent that the base part which grows a plant collapses.

It is a perspective view of the bag body of this Embodiment. It is the sectional view on the AA line of FIG. It is sectional drawing which shows the usage condition of the bag body in this Embodiment.

  The bag body of this Embodiment is demonstrated below using a figure. FIG. 1 is a perspective view of the bag according to the present embodiment. 2 is a cross-sectional view taken along line AA in FIG.

  As shown in FIGS. 1 and 2, the bag body 50 of the present embodiment is a bag body that is filled with artificial lightweight soil 53 and is formed of a woven cloth having regularly arranged meshes 54. The upper surface portion 51 and the bottom surface portion 52 formed of a non-woven fabric having water permeability and preventing roots of plants from passing through. The bag body 50 is formed in a square of 60 cm square in plan view, and secures a space for filling the artificial lightweight soil 53 inside by sewing together the end portions of the upper surface portion 51 and the bottom surface portion 52. .

  The woven fabric forming the upper surface portion 51 is woven so that a mesh 54 regularly arranged by warps and wefts is formed. The mesh 54 is formed in a grid of about 1 mm square. Note that the mesh 54 is not limited to a lattice shape, and may be a honeycomb shape or a continuous arrangement of meshes formed in a rhombus shape or a circular shape.

  The size of the mesh 54 is such that the roots of the plant can easily enter, and is formed larger than 0.5 mm square in order to ensure water permeability. Further, the artificial lightweight soil 53 described later protrudes from the bag body 50. It is desirable that the artificial lightweight soil 53 be formed smaller than the size of the artificial lightweight soil 53, and any size may be set as long as it is within this range. When the plant is cultivated from the seed state, if the mesh 54 is made larger than the size of the seed, the seeds spread on the surface of the upper surface portion 51 easily fall into the bag body 50, and the plant grows from an unintended direction. The size of the mesh 54 may be set in consideration of the size of the seeds.

  Moreover, the warp and the weft are formed of non-biodegradable fibers. Non-biodegradable fibers include: rayon, acetate and other regenerated fibers, semi-synthetic fibers, natural fibers such as wool, silk, cotton and hemp, and polyester synthetic fibers such as polyester and nylon (trademark), It is possible to use mixed fibers selected from synthetic fibers such as acrylic, polypropylene, polyethylene, and vinyl chloride, and heat-bonding synthetic fibers.

  The artificial lightweight soil 53 filled in the bag body 50 in the present embodiment is an artificial lightweight soil formed into a substantially 10 mm square cube, and is formed of a material such as phenol resin. This artificial lightweight soil 53 has high water retention. It also functions as a filter for the water supplied to the embankment described later.

  Next, the usage mode of the bag body 50 in the present embodiment will be described. FIG. 3 is a cross-sectional view showing how the bag body is used in the present embodiment.

  As shown in FIG. 3, the bag body 50 in the present embodiment is used as a set with the plant cultivation container 1. First, the plant cultivation container 1 is installed in the predetermined position of the rooftop or veranda of a building. When installing the plant cultivation container 1 in a wide place, it is arranged in a row or in a matrix. When connecting a plurality of plant cultivation containers 1, prepare one bolt and two nuts with screw grooves formed at both ends as connecting tools, match the connecting grooves between the peripheral frames to be connected, and arrange the bolts Then, a plurality of plant cultivation containers 1 are connected by tightening and fixing the peripheral frames from both sides with nuts.

  Next, a metal mesh, punching metal, or a resin molded product formed in a net shape formed in accordance with the size of the bottom wall 3 is placed on the rib 3b formed radially on the bottom wall 3 as a base support plate 10. . Since the rib 3b is provided so that the virtual plane formed by the respective upper end sides thereof is a horizontal plane, the rib 3b can be kept horizontal even when the earth support plate 10 is placed.

  And the bag body 50 with which the artificial lightweight soil 53 was filled is mounted in the earth floor support board 10 arrange | positioned horizontally, and the seed according to a lawn or a season is sprayed. Furthermore, the embankment 70 is piled up on the bag body 50 from the top to an appropriate thickness. When a seedling or a plant 80 in a flowered state is arranged in the bag body 50, the embankment 70 is piled up around each time one is arranged so that the plant does not fall down.

  When planting is completed in this way, water is sprayed. The sprayed water soaks into the embankment 70 and is absorbed from the roots of the plants 80, and the water that has passed through the embankment 70 enters the interior of the bag body 50 from the upper surface portion 51 of the bag body 50 having high water permeability. It is transmitted. And it is absorbed by the artificial lightweight soil 53 with which the inside of the bag body 50 is filled. Since the artificial lightweight soil 53 has high water retention, the water transmitted to the inside of the bag body 50 is held by the artificial lightweight soil 53. In addition, since the bottom face part 52 of the bag body 50 is formed with the water-permeable nonwoven fabric, the water which the artificial lightweight soil 53 could not hold | maintain is transmitted to the bottom wall 3 of the plant cultivation container 1, and goes outside. Discharged.

  The seed sown on the upper surface portion 51 of the bag body 50 germinates and begins to spread soft roots. And it penetrate | invades into the inside of the bag body 50 from the mesh 54 in the nearest position among the meshes 54 regularly arranged of the woven fabric which forms the upper surface part 51 of the bag body 50. Alternatively, the bag body 50 enters the bag body 50 while being entangled with the warp or weft of the woven fabric. Further, the roots grow to the artificial lightweight soil 53 filled in the bag body 50 while growing, and are entangled with the artificial lightweight soil 53.

  Moreover, when planting plants 80 such as grass, flowers, and trees such as grass on the upper surface portion 51 of the bag body 50, already grown roots extend from the lower portion of the plant. The tips of the roots spreading in all directions continue to grow while entering the inside of the bag body 50 from the mesh 54 at the nearest position, and entangled with the warp and weft of the woven fabric. Then, it extends to the artificial lightweight soil 53 filled in the bag body 50 and entangles with the artificial lightweight soil 53.

  The roots thus extended are entangled with the warp and weft of the woven fabric forming the upper surface portion 51 of the bag body 50 and the artificial lightweight soil 53 filled in the bag body 50, so that the plant is attached to the bag body 50. Fixed.

  As the plant 80 continues to grow further, the roots further grow. However, since the bottom surface portion 52 of the bag body 50 is formed of a non-woven fabric having a root-preventing property, the roots that have entered the bag body 50 are in the bag. Without overhanging from the bottom surface portion 52 of the body 50, the bag is further entangled with the surrounding artificial lightweight soil 53 filled in the bag body 50, and the root is stretched around the bag body 50. Thereby, since the planted plant 80 is firmly fixed to the bag body 50, the bag body 50 is stable even if a tree grows large and its weight increases among plants. Plant 80 can be held.

  Further, since the roots of the grown plant 80 do not protrude from the bottom surface portion 52 of the bag body 50, it is possible to prevent the bottom wall 3 of the plant cultivation container 1 from being contaminated or damaged.

  As described above, according to the bag body 50 in the present embodiment, the roots of the plant 80 such as grass, flowers, and trees such as turf are firmly fixed and fixed to the bag body 50, so that the plant 80 is stabilized. Can be held. In addition, even soft roots can easily enter the bag 50 from the mesh 54, so that the plant can be grown not only from the plant 80 that has grown to some extent but also from the seed state. . Therefore, the types of plants that can be cultivated increase and the growth process of these plants can be enjoyed.

  Moreover, the bag body 50 in this Embodiment has the warp and the weft which form the upper surface part 51 of the bag 50 during cultivation of the plant 80 because the warp and the weft are formed of non-biodegradable fibers. Can be prevented, and the artificial lightweight soil 53 filling the inside protrudes from the decomposed portion and is separated to prevent the base portion where the plant 80 is cultivated from collapsing.

  Moreover, since the upper surface part 51 of the bag body 50 in this Embodiment has high water permeability, since the artificial lightweight soil 53 with which the inside is filled has high water retention property, the water spread to the embankment 70 is It is easily transmitted to the inside of the bag body 50, and the artificial lightweight soil 53 can absorb and retain moisture sufficiently. Thereby, the artificial lightweight soil 53 can hold | maintain a water | moisture content inside the bag body 50, and can give a water | moisture content only to the amount required for a plant root. Therefore, according to the bag body 50 in the present embodiment, even if it is neglected to water when installed on the veranda or it does not rain for a long time when installed on the roof of a building, the plant is cultivated without dying. be able to.

  Note that it is desirable that the warp and weft yarns in the present embodiment are not formed of relatively hard fibers such as nylon, but are formed of soft fibers that increase flexibility when wet. By forming the upper surface portion 51 of the bag body 50 with such fibers, the bag body 50 conforms to the shape of the plant cultivation container 1 when water is applied to the bag body 50. Therefore, it is not necessary for the operator to press the bag body 50 from above at the time of construction so as to match the shape of the plant cultivation container 1.

  According to the bag of the present invention, the upper surface portion has water permeability, and the root fixing rate of grass, flowers, trees, etc. such as turf to be cultivated is good, so that plants can be stably held. Therefore, it is suitably used as a bag used for greening the rooftop or veranda of a building.

DESCRIPTION OF SYMBOLS 1 Plant cultivation container 3 Bottom wall 3b Rib 10 Earth floor support plate 50 Bag body 51 Upper surface part 52 Bottom part 53 Artificial lightweight soil 54 Mesh 70 Filling 80 Plant

Claims (3)

A bag body filled with artificial lightweight soil,
An upper surface portion formed of a woven fabric having a regularly arranged mesh;
The bag body which has a bottom face part formed with the nonwoven fabric which has water permeability and the root prevention property which does not let a plant root pass.   The bag according to claim 1, wherein the woven fabric is formed of non-biodegradable fibers.   The bag according to claim 1 or 2, wherein the mesh is formed to be larger than 0.5 mm square and smaller than the artificial lightweight soil.

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