JP3370087B1 - Weed prevention board - Google Patents

Abstract

An object of the present invention is to provide a weed prevention plate that can be easily and quickly installed even in a place where a light-shielding sheet must be bent and installed. SOLUTION: FIG. 5 is a weed prevention plate 30 according to the present invention.
FIG. 10 is an external perspective view when 0 is installed in a U-shaped groove 2400. The weed prevention plate 300 includes a light-shielding sheet indicated by a hatched portion and a base plate indicated by a white portion. The base plate is a metal plate that is bent in two. The light-shielding sheet is folded in two and attached to the base plate. The weed prevention plate 300 thus created
Is fixed to the U-shaped groove 2400 by an adhesive and an anchor bolt as shown in FIG. This prevents the generation of weeds between the U-shaped groove 2400 and the concrete surface 2405. In addition, the weed prevention number 300
Can be applied to a long U-shaped groove by connecting a plurality of them.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weed prevention plate, and more particularly to a structure which is installed on the ground and has a bent portion whose cross section is bent substantially vertically. Is an invention relating to a weed prevention plate for preventing weeds generated from a joint gap of a bent portion of the structure.

[0002]

2. Description of the Related Art FIG. 24 is a view showing a cross section of a structure including a general U-shaped groove. The structure shown in FIG. 24 includes a U-shaped groove 2400, a concrete surface 2405, and gravel 2410. There is a slight gap in the joint portion between the concrete surface and the 2405 U-shaped groove 2400. When left for a long period with such a gap exposed, seeds of weeds enter the gap and a large amount of weeds are generated. Then, when a large amount of weeds are generated, the concrete surface 2405 and the U-shaped groove 2400 may be pressed and may be damaged.

Therefore, as a method for preventing such a large amount of weeds from being generated, as shown in FIG.
A light-shielding sheet 00 (hereinafter referred to as a light-shielding sheet) 2
There is a weed prevention method to stick 500. The weed prevention method is a method in which a light-shielding sheet 2500 made of polyester or the like is folded in two and attached to the U-shaped groove 2400 with an adhesive. This prevents seeds and light of weeds from entering the gap between the U-shaped groove 2400 and the concrete surface 2405, and prevents the generation of weeds.

FIG. 26 is a view showing a cross section of a structure including a general block wall. The structure shown in FIG. 26 includes a concrete fence 2600 and a concrete surface 2.
605 and gravel 2610. Also in the structure shown in FIG. 26, weeds are generated in the gap between the concrete fence 2600 and the concrete surface 2605.
As a method of preventing the generation of such weeds, there is a method of attaching a light-shielding sheet 2700 to the joint between the concrete wall 2600 and the concrete surface 2605 as shown in FIG. Thereby, the U-shaped groove 26
As in the case of 00, the generation of weeds can be prevented.

FIG. 28 is a view showing a cross section of a structure including a general curb. The structure shown in FIG. 28 comprises a curb 2800, a concrete surface 2805 and gravel 2810. Also in the structure shown in FIG. 28, weeds are generated in the gap between the joint between the curb 2800 and the concrete surface 2805. As a method of preventing the generation of such weeds, there is a method of attaching a light shielding sheet 2900 as shown in FIG. As a result, similarly to the case of the U-shaped groove 2600, weeds can be prevented from occurring.

[0006]

However, in the method for preventing weeds shown in FIG. 25, since the light-shielding sheet 2500 is attached to the U-shaped groove 2400 in a folded state, the light-shielding sheet 2500 is flat. Trying to get back.
As a result, the light shielding sheet is peeled off from the U-shaped groove 2400 before the adhesive is dried. Therefore, the person who installs the light-shielding sheet 2500 (hereinafter, referred to as an installer) does not have the light-shielding sheet 25 until the adhesive is dried.
00 must be pressed into the U-shaped groove 2400 in a folded state. Therefore, the weed prevention method has a problem that a large amount of labor and time are required to install the light shielding sheet 2500.

Further, in the weed prevention method shown in FIG. 27, the light-shielding sheet 2700 attempts to return to a flat state.
As a result, before the adhesive dries, the concrete surface 26
In the vicinity of the joint surface between 05 and the block wall 2610, the light shielding sheet 2700 is peeled off as shown in FIG. Therefore, the installer sets the light-shielding sheet 2700 until the adhesive dries, as in the case of FIG.
Must be pressed against the block fence 2600 with the two folded. Therefore, the weed prevention method shown in FIG. 27 has a problem that much labor and time are required to install the light shielding sheet 2700, as in the case of FIG. 25.

Further, in the weed prevention method shown in FIG. 29, the installer must attach the light shielding sheet 2900 along the curved surface of the curb 2800. for that reason,
The installer had to apply the adhesive evenly to the entire back surface of the light-shielding sheet 2900. Also, FIG.
In the weed prevention method shown in FIG. 9, since the light shielding sheet 2900 is bent and attached to the curb 2800 as in the weed prevention method of FIGS. 25 and 27, the light shielding sheet 2900 tries to return to a flat state. . Therefore, the weed prevention method shown in FIG. 29 has a problem that a large amount of labor and time are required to install the light-shielding sheet 2900, as in the case of FIGS. 25 and 27.

Therefore, an object of the present invention is to provide a weed preventive plate which can be easily installed in a short time even in a place where a light-shielding sheet must be bent and installed like a U-shaped groove. Is to provide.

[0010]

[Means for Solving the Problems and Effects of the Invention] The first invention is applied to a structure which is installed on the ground and has a bent portion whose cross section is bent substantially vertically. Is a weed prevention plate for preventing weeds generated from the joint gap of the bent portion of the one side, and is constructed by bending a single metal plate substantially vertically, and one main surface thereof when placed on a structure. Comprises a base plate in a state of following the surface forming the bent portion of the structure, and a light-shielding sheet attached to one main surface side of the base plate, the light-shielding sheet is in contact with the structure, It is placed so as to close the joint gap of the structure.

According to the first aspect of the invention, since the light-shielding sheet is attached to the base plate and bent, the light-shielding sheet is installed in the structure having the bent portion. Therefore, the light shielding sheet does not come off. As a result, the person who installs the light shielding sheet does not need to press the light shielding sheet for a long time when installing the light shielding sheet.

A second invention is an invention subordinate to the first invention, so that the folds of each base plate are aligned.
It is characterized in that a plurality of them are used in a connected state.

According to the second aspect of the present invention, since the weed prevention plates are connected and used, the weed prevention plates can be applied to a structure having a long gap.

A third invention is according to the second invention, and the shape of the light-shielding sheet is such that a joint between the light-shielding sheets is located under the base plate in a connected state. It is characterized by

According to the third aspect of the invention, since the seam of the light shielding sheet is hidden under the base plate, it is possible to prevent weed seeds and light from entering through the seam of the light shielding sheet. As a result, weeds are effectively prevented from occurring in the joint gap of the bent portion.

A fourth aspect of the invention is an invention according to the third aspect of the invention, wherein one of the adjacent light-shielding sheets in a connected state advances from the joint of the base plate toward the other light-shielding sheet and is connected. The other of the light-shielding sheets adjacent to each other in the opened state is retracted from the joint of the base plate by the amount that one light-shielding sheet has advanced.

According to the fourth invention, one of the adjacent light-shielding sheets in the connected state advances from the joint of the base plate toward the other light-shielding sheet, and the adjacent light-shielding sheets in the connected state. Since the other one is retracted from the joint of the base plate by the amount of the one light-shielding sheet advancing, when the plurality of weed prevention plates are connected, the respective weed prevention plates come into close mesh with each other. More specifically, if the light-shielding sheets are joined together without a gap, the base plate is also joined. As a result, the gap between the weed prevention plates is eliminated, and more effectively weeds are prevented from occurring in the joint gap of the bent portion.

A fifth invention is an invention according to the second invention, wherein the light-shielding sheet has a margin portion which extends vertically from the base plate when viewed from the fold line of the base plate. Is characterized by.

According to the fifth aspect of the invention, since the light-shielding sheet has a margin, it is possible to bring the weed prevention plate into close contact with the structure. More specifically, since the light-shielding sheet is attached to the base plate, it is difficult to bring it into close contact with the uneven surface. On the other hand, since the flexible margin is provided, the weed prevention plate can be brought into close contact with the uneven surface. As a result, weeds are effectively prevented from occurring in the joint gap of the bent portion.

A sixth invention is an invention according to the fifth invention, wherein a tongue portion for covering a joint between adjacent glue margin portions in a connected state is provided in the glue margin portion. Is characterized by.

According to the sixth aspect of the present invention, since the joint between the adjacent margin portions in the connected state is hidden by the tongue, it is possible to prevent seeds of weeds and light from entering through the joint. As a result, weeds are effectively prevented from occurring in the joint gap of the bent portion.

A seventh invention is an invention according to the first invention, characterized in that the light-shielding sheet is attached to the mountain side of the bent base plate.

According to the seventh aspect of the invention, since the light-shielding sheet is attached to the mountain side of the bent base plate, the weed prevention plate can be installed on the concrete fence.

An eighth invention is an invention according to the first invention, characterized in that the light-shielding sheet is attached to the valley side of the bent base plate.

According to the eighth invention, since the light shielding sheet is attached to the valley side of the bent base plate, the weed prevention plate can be installed in the U-shaped groove.

A ninth invention is installed on the ground,
A weed prevention plate that is applied to a structure having a bent portion whose cross section is bent substantially vertically, and is a weed prevention plate for preventing weeds generated from a joint gap of the bent portion of the structure, where the corner of the bent portion is , Which is chamfered and is composed of one metal plate, and which is mounted on one surface forming a bent portion, and which is composed of one metal plate and which forms a bent portion The second base plate placed on the other surface, the flexible sheet for joining the first base plate and the second base plate, and the first base plate are attached to one side surface side. A light-shielding sheet is provided, the light-shielding sheet closes a joint gap of the structure, and the flexible sheet is attached to and placed on the structure following the chamfered bent portion of the structure.

According to the ninth invention, since the first base plate and the second base plate are joined by the flexible sheet, the space between the first base plate and the second base plate is large. It is possible to make a rounded part. As a result, it is possible to attach the flexible sheet to the chamfered structure such as a curb and install the weed prevention plate.

[0028]

BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) A first embodiment of the present invention will be described below with reference to the drawings. The weed prevention plate according to the first embodiment of the present invention is installed in a U-shaped groove 2400 as shown in FIG. Then, using FIG. 1 and FIG. 2 below,
The procedure for creating the weed prevention plate according to this embodiment will be described.

The weed prevention plate according to this embodiment is composed of one metal base plate and one light-shielding sheet. FIG. 1A is a view showing the base plate,
FIG. 1B is a diagram showing a state in which the base plate is bent.

First, the creator of the weed preventive plate according to the present embodiment folds the base plate of FIG. 1 (a) into two in the vicinity of its central portion, as shown in FIG. 1 (b). Next, the creator applies an adhesive to the light shielding sheet shown in FIG. The creator who applied the adhesive to the light-shielding sheet is shown in FIG.
As shown in (b), a light shielding sheet is attached to the base plate. Finally, the creator fixes the light shielding sheet and the base plate with rivets. As a result, the weed prevention plate according to the present embodiment is completed.

Now, variations of the weed prevention plate according to this embodiment will be described below with reference to the drawings. FIG. 3 shows a variation of the weed prevention plate according to this embodiment. The reason why there are variations in the weed preventive plate is that the weed preventive plates are connected and used. Hereinafter, each weed prevention plate shown in FIG. 3 will be described.

First, in the weed prevention plate shown in FIG. 3 (a), both ends of the light-shielding sheet protrude from the base plate,
It is called a type A weed prevention plate 300. Next, FIG.
In the weed prevention plate shown in (b), one of the light-shielding sheets protrudes from the base plate and the other end is interrupted at the dotted line below the base plate.
It is called 5. The weed prevention plate shown in FIG. 3 (C) is called a type C weed prevention plate 310, in which both ends of the light-shielding sheet are interrupted at the dotted line portions of the base plate. Well then
The case where the weed prevention plates shown in FIG. 3 are connected and used will be described below.

FIG. 4A shows a type A weed prevention plate 300.
FIG. 4B is an external perspective view of when the type B weed prevention plate 305 and the type B weed prevention plate 305 are connected, and FIG.
It is an external appearance perspective view when 0 and the type C weed prevention plate 310 are connected. Now, these details will be described below.

First, the connection type weed preventive plate of FIG. 4A will be described. In the connection type weed preventive plate shown in FIG. 4A, the type A weed preventive plate 300 is used at the right end, and the type B weed preventive plate 305 is used at the other portions. More specifically, type A weed prevention plate 30
0 is placed at the right end. Next, type B weed prevention plate 3
05 is arranged on the left side of the type A weed prevention plate 300. At this time, the type-B weed prevention plate 305 is arranged so that its base plate covers the light-shielding sheet on the left side of the type-A weed prevention plate 300. After that, the type B weed preventive plates 305 are sequentially arranged in the leftward direction by the same procedure. As a result, the connection type weed prevention plate shown in FIG. 4A is completed. The type A weed prevention plate 300 is always used at the right end of the connected weed prevention plate shown in FIG. This is because when the type-B weed prevention plate 305 is used at the right end, light and weed seeds enter from the portion below the base plate where there is no light-shielding sheet.

Next, the connection type weed prevention plate of FIG. 4 (b) will be described. In the connection type weed prevention plate shown in FIG. 4B, the type A weed prevention plate 300 and the type C weed prevention plate 310 are alternately arranged. More specifically, the type A weed prevention plate 3 is provided at the right end of the connection type weed prevention plate.
00 is arranged. Next, the type C weed prevention plate 310 is arranged so that the base plate of the type C weed prevention plate 310 is placed over the protruding portion of the light-shielding sheet on the left side of the type A weed prevention plate 300. Next, the type-A weed prevention plate 300 is arranged such that the protruding light-shielding sheet digs under the base plate of the type-C weed prevention plate 310. After that, the type C weed prevention plates 310 and the type A weed prevention plates 300 are alternately arranged by the same procedure. In addition, the type A weed prevention plate 300 is always used at both ends of the connection type weed prevention plate shown in FIG. 4B. This is because when the type C weed prevention plates 310 are used at both ends, light and seeds of weeds enter from a portion below the base plate where there is no light shielding sheet.

In both cases of FIG. 4 (a) and FIG. 4 (b), an adhesive is applied to the surface of the portion of the light-shielding sheet that is superposed on the base plate. As a result, the weed prevention plates are adhered to each other. This is the end of the description of the case where the weed prevention plates are connected and used.

Now, a method of installing each weed prevention plate will be described below with reference to the drawings. FIG. 5 is an external perspective view when the type A weed prevention plate 300 is installed in the U-shaped groove 2600. The type A weed prevention plate 300
When is installed in the U-shaped groove 2600, first, an adhesive is applied to the back surface of the portion of the light-shielding sheet that protrudes from the base plate. Next, as shown in FIG. 5, the type A weed prevention plate 300 is installed in the U-shaped groove 2600. Finally,
Anchor bolts or piles are driven into the base plate and U
The type A weed prevention plate 300 is fixed to the upper groove 2600. This is the end of the description of the installation method of the type A weed prevention plate 300.

The type B weed prevention plate 305 and the type C weed prevention plate 310 are also the type A weed prevention plate 300.
It is installed on the U-shaped groove by the same procedure as.

As described above, according to the weed-preventing plate of the first embodiment of the present invention, the light-shielding sheet is attached to the bent base plate. Does not need to be held for a long time so that the light-shielding sheet does not come off. As a result, according to the present embodiment, the time and labor required to install the weed prevention plate can be reduced, which leads to a reduction in installation work cost.

Further, in the weed preventive plate according to the present embodiment, since the joint portion of the light shielding sheet of each weed preventive plate is hidden under the base plate, it is possible to prevent the seeds and light of the weed from entering from the joint portion. It

Further, in the weed preventive plate according to the present embodiment, the portion to which the adhesive is applied may be only the portion where the light-shielding sheet protrudes from the base plate. As a result, the time required to apply the adhesive is reduced, and the time required to install the weed prevention plate is shortened.

Here, another example of the first embodiment will be described with reference to the drawings. FIG. 6A is a diagram showing a type A weed prevention plate 600 according to another example of the present embodiment, and FIG. 6B is a type B weed prevention plate according to another example of the present embodiment. It is the figure which showed 605. Different from the weed prevention plates shown in FIG. 3, these weed prevention plates have a light-shielding sheet protruding from the base plate in a direction perpendicular to the fold direction of the base plate. The person who installs the weed prevention plate installs the weed prevention plate by applying an adhesive to the back surface of the protruding portion of the light-shielding sheet (hereinafter, referred to as a margin area) and attaching it to the concrete surface. . This allows the weed prevention plate to be more closely attached to the U-shaped groove 2600 and the concrete surface 2605.

Now, a case where the type A weed prevention plate 600 and the type B weed prevention plate 605 shown in FIG. 6 are connected will be described with reference to the drawings. Figure 7
FIG. 7 is an external perspective view when the type A weed prevention plate 600 and the type B weed prevention plate 605 shown in FIG. 6 are connected.

Type A weed prevention plate 600 shown in FIG.
The type B weed prevention plate 605 and the type B weed prevention plate 605 are connected by the same procedure as in the case of FIG. This effectively prevents light and seeds of weeds from entering from the side perpendicular to the fold direction of the base plate.

As for the type C weed preventive plate, the type A weed preventive plate and the type B weed preventive plate shown in FIG. 6 may also have a light-shielding sheet protruding in a direction perpendicular to the fold direction of the base plate. it can.

In the weed prevention plate shown in FIG. 6, the light-shielding sheet can be made to project downward from the base plate in the direction perpendicular to the fold direction of the base plate.

Here, the weed prevention plate of FIG. 6 has a problem that the joint portion 700 of the light-shielding sheet surrounded by the elliptical portion of FIG. 7 is exposed. Thus, the joint 700
When exposed, the light and seeds of weeds may enter from the joint portion 700, and weeds may be generated from the gap between the U-shaped grooves.

Therefore, as another example of the weed prevention plate according to this embodiment, a type B weed prevention plate 80 shown in FIG. 8 is used.
0 is suggested. The weed prevention plate is an improvement of the type B weed prevention plate 605 shown in FIG. 6, and a tongue portion 805 is provided on the upper right side of the light shielding sheet. Then, the type B weed prevention plate 800 shown in FIG.
A method of using will be described with reference to the drawings.

FIG. 9 shows a type A weed prevention plate 600 shown in FIG. 6 and a type B weed prevention plate 800 shown in FIG.
It is an appearance perspective view when and are connected. When the type B weed prevention plate 800 shown in FIG. 8 is used, as shown in FIG. 9, the tongue portion 805 of the type B weed prevention plate of FIG. As a result, the joint portion between the light shielding sheets is not exposed, and seeds of weeds and light are prevented from entering from the joint portion.

The type C weed preventive plate 610 can also be provided with the tongue portion 805 similarly to the type B weed preventive plate 800 shown in FIG.

In this case, the installer can drive an anchor bolt or a pile into the tongue portion 805 when installing the weed prevention plate. This allows the two weed prevention plates to be more firmly connected.

(Second Embodiment) The second embodiment of the present invention will be described below.
Embodiments will be described with reference to the drawings. The weed preventive plate according to the second embodiment of the present invention is installed on a block fence 2600 as shown in FIG. FIG. 10: is the figure which showed the variation about the weed prevention board concerning this embodiment. Hereinafter, the weed prevention plate shown in FIG. 10 will be described.

First, the weed prevention plate (hereinafter referred to as type A weed prevention plate) 1000 shown in FIG.
3 (a) of the embodiment, in which both ends of the light-shielding sheet are projected from the base plate.
A weed prevention plate (hereinafter referred to as a type B weed prevention plate) 1005 shown in FIG. 10B corresponds to FIG. 3B of the first embodiment, and is one of the light shielding sheets. Is projected from the base plate, and the other is interrupted at the dotted line portion of the base plate. Further, the weed prevention plate shown in FIG. 10C (hereinafter referred to as a type C weed prevention plate) 10
10 corresponds to FIG. 3C of the first embodiment, and both ends of the light-shielding sheet are interrupted at the dotted line portion of the base plate. These type A weed prevention plates 1
000, the type-B weed prevention plate 1005 and the type-C weed prevention plate 1010 are connected and used in the same manner as in the first embodiment. Then, hereinafter, the case where each weed prevention plate is connected will be described with reference to the drawings.

FIGS. 11 (a) and 11 (b) are external perspective views when the weed prevention plates according to this embodiment are connected. The connection type weed prevention plate shown in FIG.
Similar to FIG. 4 (a) of the embodiment, the type A weed prevention plate 1000 is used at the right end, and the other parts are:
A type B weed prevention plate 1005 is used. Also,
The connection type weed preventive plate shown in FIG. 11B is the type A weed preventive plate 10 as in FIG. 4B of the first embodiment.
00 and the type C weed prevention plate 1010 are alternately connected. The connecting method of the connection type weed preventive plate according to the present embodiment is the same as that of the first embodiment, and thus the description thereof is omitted.

The type A weed prevention plate 1000 according to this embodiment is arranged as shown in FIG. At this time, as in the first embodiment, an adhesive is applied to the back side of the portion of the light-shielding sheet protruding from the base plate, and anchor bolts or piles are driven into the base plate,
It is fixed to the block wall.

As described above, according to the weed prevention plate of the present embodiment, the installer keeps holding the light-shielding sheet for a long time so that the light-shielding sheet does not come off, like the weed prevention plate of the first embodiment. There is no need. As a result, according to the present embodiment, the time and labor required to install the weed prevention plate can be reduced, which leads to a reduction in installation work cost.

Further, in the weed preventive plate according to the present embodiment, as in the weed preventive plate according to the first embodiment, the joint portion of the light shielding sheet of each weed preventive plate is hidden under the base plate. Weed seeds and light are prevented from entering through the joints.

Further, in the weed preventive plate according to the present embodiment, as with the weed preventive plate according to the first embodiment, the portion to which the adhesive is applied may be only the portion where the light shielding sheet protrudes from the base plate. . As a result, the time required to apply the adhesive is reduced, and the time required to install the weed prevention plate is shortened.

Further, also in the weed prevention plate according to this embodiment, like the weed prevention plate according to the first embodiment,
As shown in FIGS. 13 (a) and 13 (b), the light-shielding sheet may be projected in a direction perpendicular to the base plate fold direction from the base plate to provide a margin portion. This makes it possible to bring the weed prevention plate into close contact with the concrete surface, as in the first embodiment.

Further, also in the weed prevention plate according to the present embodiment, like the weed prevention plate according to the first embodiment,
As shown in FIG. 14, the tongue part 140 is attached to the margin portion of the light-shielding sheet.
0 may be provided. As a result, similarly to the first embodiment, the joint portion between the light shielding sheets is not exposed, and seeds of weeds and light are prevented from entering from the joint portion.

(Third Embodiment) The third embodiment of the present invention will be described below.
Embodiments will be described with reference to the drawings. The weed prevention plate according to the third embodiment of the present invention is installed on a curb 2800 as shown in FIG. Now, the procedure for creating the weed preventive plate according to the present embodiment will be described below with reference to FIG.

FIG. 15A shows the first base plate 1500.
It is the figure which showed. FIG. 15B shows the second base plate 1
It is the figure which showed 505. FIG. 15C is a diagram showing the rubber sheet 1510. FIG. 15D is a diagram showing the first light-shielding sheet 1515. FIG. 15 (e)
FIG. 15 is a diagram showing a second light-shielding sheet 1520.

Here, the procedure for preparing the weed prevention plate according to this embodiment will be described with reference to FIG. First, the creator sandwiches the rubber sheet 1510 between the first base plate 1500 and the first light-shielding sheet 1515, and fixes them with an adhesive and rivets. Next, the creator sandwiches the rubber sheet 1510 between the second base plate 1505 and the second light-shielding sheet 1520 and fixes them with an adhesive and rivets. As a result, the weed prevention plate shown in FIG. 16 is completed.

Now, variations of the weed prevention plate according to this embodiment will be described below with reference to the drawings. FIG. 17 shows a variation of the weed prevention plate according to this embodiment. The reason why there are variations in the weed preventive plate is that the weed preventive plates are connected and used. The weed prevention plates shown in FIG. 17 will be described below.

First, in the weed prevention plate shown in FIG. 17 (a), both ends of the first and second light-shielding sheets protrude from the first and second base plates, and the type A weed prevention plate 1700 is formed. Is called. Next, in the weed prevention plate shown in FIG. 17B, one of the first and second light-shielding sheets protrudes from the first and second base plates, and the other end thereof is the first.
And, there is a break in the dotted line below the second base plate,
It is called a type B weed prevention plate 1705. FIG. 17 (c)
The weed-preventing plate shown in (1) is referred to as a type C weed-preventing plate 1710, in which both ends of the first and second light-shielding sheets are broken at the dotted line portions of the first and second base plates. Then, the case where the weed prevention plates shown in FIG. 17 are connected and used will be described below.

FIG. 18A shows a type A weed prevention plate 17
FIG. 18B is an external perspective view when 00 and the type B weed prevention plate 1710 are connected, and FIG. 18B is an external perspective view when the type A weed prevention plate 1700 and the type C weed prevention plate 1710 are connected. It is a figure. Now, these details will be described below.

First, the connection type weed prevention plate of FIG. 18A will be described. In the connection type weed prevention plate shown in FIG. 18A, the type A weed prevention plate 1700 is provided at the right end.
Is used for all other parts, and type B weed prevention plate 1
705 is used. More specifically, the type A weed prevention plate 1700 is arranged at the right end of the connection type weed prevention plate. Next, the type B weed prevention plate 1705 is arranged on the left side of the type A weed prevention plate 1700. At this time, in the type B weed prevention plate 1705, the first base plate thereof covers the first light-shielding sheet on the left side of the type A weed prevention plate 1700, and the second base plate thereof has the type A weed prevention plate 1700. The rubber sheet of the type A weed prevention plate 1700 is placed on the second light-shielding sheet on the left side, and the type B weed prevention plate 1705 is placed on the rubber sheet of the type B weed prevention plate 1705. Then type B weed prevention plate 1705
However, they are sequentially arranged to the left by the same procedure. As a result, the connection type weed prevention plate shown in FIG. 18A is completed. The type A weed prevention plate 1700 is always used at the right end of the connection type weed prevention plate shown in FIG. This is because when the type-B weed prevention plate 1705 is used at the right end, light and seeds of weeds enter from the portions below the first and second base plates where there is no light-shielding sheet.

Next, the connection type weed prevention plate of FIG. 18 (b) will be described. In the connection type weed prevention plate shown in FIG. 18B, the type A weed prevention plate 1700 and the type C weed prevention plate
The weed prevention plates 1710 are arranged alternately. More specifically, the type A weed prevention plate 1700 is arranged at the right end of the connection type weed prevention plate. Next, the type C weed prevention plate 1710 is covered with the first base plate of the type A weed prevention plate 1700 on the left side of the first light-shielding sheet, and the first base plate is the type C weed prevention plate 1710. The weed prevention plate 1710 is arranged so as to cover the protruding portion of the second light-shielding sheet, and the type A weed prevention plate 1700 rubber sheet is covered so as to cover the type C weed prevention plate 1710 rubber sheet. Next, type A weed prevention plate 1
The 700 is arranged such that the protruding first and second light-shielding sheets and the rubber sheet dig under the first and second base plates and the rubber sheet of the type C weed prevention plate 1710. Thereafter, the type C weed prevention plate 1710 and the type A weed prevention plate 1700 are alternately arranged by the same procedure. The type A weed prevention plate 1700 is always used at both ends of the connected weed prevention plate shown in FIG. 18 (b). This is because when the type C weed prevention plate 1710 is used at both ends, light and weed seeds enter from the portion below the base plate where there is no light shielding sheet.

In both cases of FIG. 18A and FIG. 18B, an adhesive is applied to the surface of the portion of the light-shielding sheet that overlaps the base plate. As a result, the weed prevention plates are adhered to each other. This is the end of the description of the case where the weed prevention plates are connected and used.

Now, a method of installing each weed prevention plate will be described below with reference to the drawings. FIG. 19 is an external perspective view of a type A weed prevention plate 1700 installed on a curb 2800. The type A weed prevention plate 1
When 700 is installed on the curb 2800, first of all, the first base plate 150 of the first light-shielding sheet 1515 is used.
An adhesive is applied to the back surface of the portion protruding from zero. Next, an adhesive is applied to the back surface of the portion of the second light-shielding sheet 1520 that protrudes from the second base plate 1505. Further, an adhesive is applied to the back side of the rubber sheet 1510. Next, the type A weed prevention plate 1700 is shown in FIG.
Rubber sheet 1 on the curved surface of curb 2800 as shown in
510 is installed so that it may stick. Finally, anchor bolts or piles are driven into the first base plate 1500 and the second base plate 1505 to fix the type A weed prevention plate 1700 on the curb 2800. This is the end of the description of the installation method of the type A weed prevention plate 1700.

The type B weed prevention plate 1705 and the type C weed prevention plate 1710 are also the type A weed prevention plate 1
The procedure similar to that of 700 is applied to the curb 2800.

As described above, according to the weed preventive plate of the third embodiment of the present invention, the light-shielding sheet is attached to the bent base plate, so that when the weed preventive plate is installed, the installer Does not need to be held for a long time so that the light-shielding sheet does not come off. As a result, according to the present embodiment, the time and labor required to install the weed prevention plate can be reduced, which leads to a reduction in installation work cost.

Further, in the weed preventive plate according to the present embodiment, since the joint portion of the light-shielding sheet of each weed preventive plate is hidden under the base plate, it is possible to prevent seeds and light of the weed from entering from the joint portion. It

Further, in the weed preventive plate according to this embodiment, the portions to which the adhesive is applied may be only the back side of the portion where the light shielding sheet protrudes from the base plate and the back side of the rubber sheet. As a result, the time required to apply the adhesive is reduced, and the time required to install the weed prevention plate is shortened.

Here, another example of the third embodiment will be described with reference to the drawings. FIG. 20 (a) is a diagram showing a type A weed prevention plate 2000 according to another example of the present embodiment, and FIG. 20 (b) is a type B weed prevention plate according to another example of the present embodiment. It is the figure which showed 2005.
These weed prevention plates differ from the weed prevention plates shown in FIG. 17 in that the first light-shielding sheet projects from the first base plate in the direction perpendicular to the fold direction of the weed prevention plate. There is. A person who installs the weed prevention plate applies an adhesive to the back surface of the protruding portion of the first light-shielding sheet (hereinafter, referred to as a margin portion) and attaches it to the concrete surface, and then the weed prevention plate. Set up. This allows the weed prevention plate to be more closely attached to the curbstone and the concrete surface.

Now, the case where the type A weed prevention plate 2000 and the type B weed prevention plate 2005 shown in FIG. 20 are connected will be described with reference to the drawings. 21 is a type A weed prevention plate 2000 shown in FIG.
It is an appearance perspective view when and and a type B weed prevention board 2005 are connected.

A type A weed prevention plate 20 shown in FIG.
00 and the type-B weed prevention plate 2005 are connected by the same procedure as in the case of FIG. This effectively prevents light and seeds of weeds from entering from the side perpendicular to the fold direction of the base plate.

As for the type C weed preventive plate 1710, as in the type A weed preventive plate 2000 and the type B weed preventive plate 2005 of FIG. 20, the light shielding sheet is projected in the direction perpendicular to the fold direction of the base plate. Can be made.

In the weed preventive plate shown in FIG. 20, the light-shielding sheet can be projected downward from the base plate in the direction perpendicular to the fold direction of the base plate.

Here, the weed prevention plate of FIG. 20 has a problem that the joint portion 2100 of the light shielding sheet surrounded by the elliptical portion of FIG. 21 is exposed. As described above, when the joint portion 2100 is exposed, light or seeds of weeds may enter from the joint portion 2100 and weeds may be generated from the gap between the curbs 2800.

Therefore, as another example of the weed prevention plate according to this embodiment, a type B weed prevention plate 2 shown in FIG. 22 is used.
200 is proposed. The weed prevention plate is an improvement of the type B weed prevention plate 2005 shown in FIG. 20, and a tongue portion 2205 is provided on the upper left portion of the first light-shielding sheet. Then, a method of using the type B weed preventive plate shown in FIG. 22 will be described with reference to the drawings.

FIG. 23 is an external perspective view when the type A weed prevention plate 2000 shown in FIG. 20 and the type B weed prevention plate 2200 shown in FIG. 22 are connected. When the type B weed prevention plate 2200 shown in FIG. 22 is used, as shown in FIG. 23, the tongue portion 22 of the type B weed prevention plate of FIG.
05 overlap. As a result, the joint portion between the light shielding sheets is not exposed, and seeds of weeds and light are prevented from entering from the joint portion.

The type C weed preventive plate can also be provided with the tongue portion 2205 similarly to the type B weed preventive plate 2200 shown in FIG.

In this case, the installer can drive an anchor bolt or a pile into the tongue 2205 when installing the weed prevention plate. This allows the two weed prevention plates to be more firmly connected.

[Brief description of drawings]

FIG. 1 is a view showing a base plate of a weed prevention plate according to a first embodiment.

FIG. 2 is a diagram showing a light-shielding sheet and a weed-preventing plate according to the first embodiment.

FIG. 3 is a view showing a variation of the weed prevention plate according to the first embodiment.

FIG. 4 is an external perspective view when the weed prevention plates according to the first embodiment are connected.

FIG. 5 is an external perspective view when the type A weed prevention plate according to the first embodiment is installed.

FIG. 6 is a view showing another example of the type A weed prevention plate and the type B weed prevention plate according to the first embodiment.

FIG. 7 is a drawing showing a case where the type A weed prevention plate and the type B weed prevention plate shown in FIG. 6 are connected.

FIG. 8 is a view showing still another example of the type B weed prevention plate according to the first embodiment.

9 is an external perspective view when the type A weed prevention plate shown in FIG. 6 and the type B weed prevention plate shown in FIG. 8 are connected.

FIG. 10 is a view showing a variation of the weed prevention plate according to the second embodiment of the present invention.

FIG. 11 is an external perspective view when the weed prevention plates according to the second embodiment are connected.

FIG. 12 is an external perspective view when the weed prevention plate according to the second embodiment is installed.

FIG. 13 is a view showing another example of the type A weed prevention plate and the type B weed prevention plate according to the second embodiment.

FIG. 14 is a view showing still another example of the type-B weed prevention plate according to the second embodiment.

FIG. 15 is a view showing each part of the weed prevention plate according to the third embodiment.

FIG. 16 is an external perspective view of the weed prevention plate according to the third embodiment.

FIG. 17 is a view showing a variation of the weed prevention plate according to the third embodiment of the present invention.

FIG. 18 is an external perspective view when the weed prevention plates according to the third embodiment are connected.

FIG. 19 is an external perspective view when the weed prevention plate according to the third embodiment is installed.

FIG. 20 is a view showing another example of the type A weed prevention plate and the type B weed prevention plate according to the third embodiment.

21 is an external perspective view when the type A weed prevention plate and the type B weed prevention plate shown in FIG. 20 are connected. FIG.

FIG. 22 is a view showing still another example of the type B weed preventing plate according to the third embodiment.

23 is a type A weed prevention plate shown in FIG. 20 and FIG.
It is an external appearance perspective view when connecting with the type B weed prevention board shown by 2.

FIG. 24 is an external perspective view including a partial cross section of a structure including a U-shaped groove.

FIG. 25 is an external perspective view including a partial cross section when a light-shielding sheet is attached to the U-shaped groove.

FIG. 26 is an external perspective view including a partial cross section of a structure including a block wall.

FIG. 27 is an external perspective view including a partial cross section when a light shielding sheet is attached to a block wall.

FIG. 28 is an external perspective view including a partial cross section of a structure including curbs.

FIG. 29 is an external perspective view including a partial cross section when a light shielding sheet is attached to a curb.

FIG. 30 is a cross-sectional view when a light shielding sheet is attached to a block wall.

[Explanation of symbols]

300, 600, 1000, 1700, 2000 Type A weed prevention plates 305, 605, 800, 1005, 1705, 200
5, 2200 Type B weed prevention plates 310, 1010, 1710, 2010 Type C weed prevention plates 700, 2100 Joints 805, 1400, 2205 Tongue 1500 First base plate 1505 Second base plate 1510 Rubber sheet 1515 1st Light shielding sheet 1520 Second light shielding sheet 2400 U-shaped groove 2405 Concrete surface 2410 Gravel 2600 Concrete fence 2605 Concrete surface 2700 Light shielding sheet 2800 Curb

─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP 2001-64931 (JP, A) JP 10-183555 (JP, A) JP 6-67005 (JP, A) JP 11-303040 (JP, A) JP-A-6-146230 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) E01H 11/00 A01M 21/00

Claims (9)

(57) [Claims] 1. In order to prevent weeds which are installed on the ground and are applied to a structure having a bent portion whose cross section is bent substantially vertically, and which are generated from a joint gap of the bent portion of the structure. The weed prevention plate of 1., which is constructed by bending a single metal plate in a substantially vertical direction, and when placed on the structure, its one main surface follows the surface forming the bent portion of the structure. And a light-shielding sheet attached to the one main surface side of the base plate, wherein the light-shielding sheet is in contact with the structure and closes the joint gap of the structure. Weed prevention plate to be placed. 2. The weed prevention plate according to claim 1, wherein a plurality of the base plates are used in a connected state so that the folds of each base plate are aligned. 3. The weed prevention device according to claim 2, wherein the shape of the light-shielding sheet is such that the joint between the light-shielding sheets is located under the base plate in a connected state. Board. 4. One of the light-shielding sheets adjacent to each other in the connected state advances from the seam of the base plate toward the other light-shielding sheet, and the other of the light-shielding sheets adjacent to each other in the connected state forms the base plate. The one light-shielding sheet is retracted from the joint by an amount corresponding to the advance.
The weed prevention plate described in. 5. The weed-preventing plate according to claim 2, wherein the light-shielding sheet is provided with a glue margin portion that has advanced from the base plate in a vertical direction when viewed from the fold line of the base plate. . 6. The weed preventive plate according to claim 5, wherein a tongue portion for covering a joint between adjacent margin portions in a connected state is provided on the margin portion. . 7. The light-shielding sheet is attached to a mountain side of the bent base plate,
The weed prevention plate according to claim 1. 8. The weed prevention plate according to claim 1, wherein the light-shielding sheet can be attached to the valley side of the bent base plate. 9. To prevent weeds which are installed on the ground and are applied to a structure having a bent portion whose cross section is bent substantially vertically, and which are generated from a joint gap of the bent portion of the structure. And a first base plate placed on one of the surfaces forming the bent portion, the corner of the bent portion being chamfered, the corner portion of the bent portion being chamfered. , A second base plate which is composed of one metal plate and is placed on the other surface forming the bent portion, and the first base plate and the second base plate can be joined together. A flexible sheet; and a light-shielding sheet attached to one side surface side of the first base plate, the light-shielding sheet closing a joint gap of the structure, and the flexible sheet forming the flexible sheet of the structure. Following the chamfered bent portion, it is attached and mounted on the structure. Weed prevention plate.