JP6807785B2 - Anti-termite and anti-termite structure - Google Patents

Description

The present invention relates to an anti-termite tool for applying an anti-termite treatment to a cable, and an anti-termite structure provided with the anti-termite tool.

Conventionally, it has been practiced to install an underground box in the ground, connect a protective pipe to the underground box, and wire a cable in the protective pipe. As measures against termites, anti-termite treatment was applied to the inside of the protective pipe or the connection part of the cable in the underground box, and the anti-termite sheet was placed at the joint part of the underground box (for example). See Patent Document 1). As for the cable, an expensive anti-termite cable may be used as an anti-termite measure.

Japanese Unexamined Patent Publication No. 2016-5336

However, in the conventional anti-termite cable, there is a risk that termite damage may occur due to scratches on the surface of the anti-termite cable.

The present invention has been made to solve the above-mentioned conventional drawbacks, and an object of the present invention is to provide an anti-termite tool and an anti-termite structure capable of easily applying anti-termite treatment to a cable. To provide.

The anti-termite tool and anti-termite structure according to the present invention have the following configurations in order to achieve the above object. That is,
The anti-termite tool according to the invention according to claim 1 is an anti-termite tool that covers a cable, is formed in a tubular shape, contains an anti-termite component at least on the outer surface side, and is continuous in the longitudinal direction. It has an extending cut portion. The inner diameter of the anti-termite tool is formed to be smaller than the outer diameter of the cable, and the cut portion can be expanded by the elasticity of the anti-termite tool itself, and the cable is inserted from the expanded cut portion. a insertable into, by elastic return to the side where the Setsuwari portion is closed, the inner surface of the termite device is in close contact with the cable.

According to this anti-termite tool, the anti-termite tool is formed in a tubular shape and contains an anti-termite component at least on the outer surface side. Then, by expanding the cut portion provided in the anti-termite tool and inserting the cable into the inside through the expanded cut-off portion, the anti-termite tool is put on the cable. At this time, the cut portion elastically returns to the closing side, and the ant-proof tool comes into close contact with the cable. In this way, the termite-proofing tool can be easily put on the cable from the cut portion, and the termite-proofing tool can prevent termites from trying to move along the cable or breaking through the cable.

Further, in the ant-proof structure according to the invention of claim 2 , a protective pipe is directly connected to a through hole in the side wall of the underground buried box or via a connecting tool, and the inside of the protected pipe and the underground buried box are connected. It is an anti-termite structure in an arrangement path in which cables are arranged so as to pass through the inside. This anti-termite structure includes at least an anti-termite treatment portion having an anti-termite treatment applied to at least the inner surface of the connection portion between the protective pipe and the underground buried box or its vicinity, and an anti-termite tool to cover the cable. And. The anti-termite tool is formed in a tubular shape, contains an anti-termite component at least on the outer surface side, and has a cut portion that extends continuously in the longitudinal direction. The cut portion can be expanded by the elasticity of the anti-termite tool itself, and the cable can be inserted into the inside from the expanded cut portion, and the position of the cable overlaps with the anti-termite treatment portion. One or more of the anti-termites are covered side by side so as to pass from the ground to the inside of the underground buried box, and the inner surface of the anti-termite is elastically restored to the side where the cut portion is closed. It is in close contact with the cable.

According to this anti-termite structure, the cable is arranged so as to pass through the inside of the protective pipe and the inside of the underground buried box to which the protective pipe is connected. The anti-termite treatment unit is provided with anti-termite treatment at least on the inner surface of the connection portion between the protective pipe and the underground box or its vicinity. The anti-termite tool is formed in a tubular shape and contains an anti-termite component at least on the outer surface side. Then, by expanding the cut portion provided in the anti-termite tool and inserting the cable into the inside through the expanded cut-off portion, the anti-termite tool is put on the cable. At this time, the cut portion elastically returns to the closing side, and the ant-proof tool comes into close contact with the cable. In this way, the termite-proofing tool can be easily put on the cable from the cut portion, and the termite-proofing tool can prevent termites from trying to move along the cable or breaking through the cable. Then, by covering the cable with the termite protection tool so that it crosses into the underground burial box from the position where it overlaps with the ant protection treatment part, termites invade the protection pipe from inside the underground burial box along the cable. It becomes difficult.

Further, the anti-termite structure according to the invention according to claim 3 is the anti-termite structure according to claim 2 , wherein the anti-termite tool is covered with the cable and both peripheral ends sandwiching the cut portion. The parts are separated from each other.

Further, in the anti-termite structure according to the invention of claim 4 , in the anti-termite structure according to claim 3 , the anti-termite tool is arranged so that the cut portion is located on the lower side. In this way, since the cut portion is located on the lower side, it becomes difficult for termites to reach the cut portion, and it is possible to prevent termites from advancing from the underground buried box side to the protective pipe side along the cut portion. ..

Further, the anti-termite structure according to the invention according to claim 5 is the anti-termite structure according to any one of claims 2 to 4 , wherein a plurality of the anti-termite tools are arranged side by side along the cable. Has been done.

Further, the ant-proof structure according to the invention according to claim 6 is the ant-proof structure according to claim 3 , wherein a plurality of the ant-proof tools are arranged side by side along the cable, and a plurality of them are arranged. Among the anti-termite tools, at least the anti-termite tool arranged in the anti-termite treatment portion is arranged so that the cut portion is located on the lower side. In this way, in the anti-termite tool arranged in the anti-termite processing portion, since the cut portion is located on the lower side, it becomes difficult for the termites to reach the cut portion, and the termites are placed on the underground box side along the cut portion. It can be prevented from proceeding to the protection tube side.

Moreover, anti-termite structure according to the invention of claim 7, in termite control structure according to claim 3, wherein Boarigu are arranged plurality of side by side along said cable, and wherein the termite control The tool is arranged so that the cut portion is displaced in the circumferential direction from the cut portion of the adjacent ant-proof tool. As a result, even if termites try to move from the underground box side to the protective pipe side along the cutting part, the cutting parts are displaced in the circumferential direction next to each other, so that the termites can be prevented from further advancing. Can be done.

Further, the anti-termite structure according to the invention according to claim 8 is the anti-termite structure according to any one of claims 2 to 7 , wherein the protective tube contains an anti-termite component at least on the inner surface side. Then, at least the inner surface of itself is the ant-proof treatment portion.

Further, the anti-termite structure according to the invention according to claim 9 is the anti-termite structure according to any one of claims 2 to 8 , wherein the cable is composed of a plurality of insulated wires, and the plurality of such cables. The insulated wire is formed in an exposed state without being covered with a common protective outer coating. Then, in the space surrounded by the inner surface of the anti-termite tool and the insulated wire, at least a part of the area extending from the position overlapping with the anti-termite treatment portion into the underground buried box is the anti-termite component. Is filled with a filler containing. In this way, the space surrounded by the inner surface of the anti-termite tool and the insulated wire is filled with the filler containing the anti-termite component, so that termites can be accurately prevented from moving along the cable.

According to the anti-termite tool and the anti-termite structure according to the present invention, the anti-termite treatment can be easily applied to the cable by the tubular anti-termite tool having a cut portion that elastically returns and being in close contact with the cable. ..

An ant-proof device according to an embodiment of the present invention is shown, (a) is a front view, and (b) is a right side view. Similarly, it is a cross-sectional view of an ant-proof structure. Similarly, it is an enlarged end view by line AA in FIG. It is sectional drawing of the ant-proof structure which shows the 1st modification of this invention. It is sectional drawing of the ant-proof structure which shows the 2nd modification of this invention. It is sectional drawing of the ant-proof structure which shows the 3rd modification of this invention. It is a figure corresponding to FIG. 3 of the ant-proof structure which shows the 4th modification of this invention.

Hereinafter, a mode for carrying out the anti-termite tool and the anti-termite structure according to the present invention will be described with reference to the drawings.

1 to 3 show an embodiment of the present invention. In the figure, reference numeral 1 indicates an underground box, and 1a indicates a side wall of the underground box 1. Reference numeral 2 denotes a protective tube, which is connected to the through hole 1b of the side wall 1a directly or via a connector (in the illustrated embodiment, directly). Reference numeral 3 denotes a cable, and the cable 3 is composed of a power cable, a communication cable, an optical fiber, or the like. 4 indicates an ant-proof device. 5 indicates an ant-proof structure.

Here, the anti-termite tool 4 is to be put on the cable 3, is formed in a tubular shape, contains an anti-termite component at least on the outer surface side, and has a cut portion 4a continuously extending in the longitudinal direction. .. The cut portion 4a can be expanded by the elasticity of the anti-termite tool 4 itself, and the cable 3 can be inserted into the inside (that is, the inside of the anti-termite tool 4) from the expanded cut portion 4a. By elastically returning the cutting portion 4a to the closing side, the inner surface of the anti-termite tool 4 comes into close contact with the cable 3. Further, the inner diameter of the anti-termite tool 4 (that is, the inner diameter of the anti-termite tool 4 alone before being covered with the cable 3) is formed to be smaller than the outer diameter of the cable 3.

The anti-termite structure 5 is an anti-termite structure in an arrangement path in which a cable 3 is arranged so as to pass through the inside of the protective pipe 2 and the inside of the underground box 1. The anti-termite structure 5 includes at least an anti-termite treatment portion 6 having an anti-termite treatment applied to at least the inner surface of the connection portion between the protective pipe 2 and the underground box 1 or its vicinity, and the anti-termite tool 4. It has. Therefore, one or more of the anti-termite tools 4 are arranged side by side on the cable 3 so as to extend into the underground buried box 1 from a position overlapping with the anti-termite treatment unit 6 (in the illustrated embodiment, one). ) The inner surface of the anti-termite tool 4 is in close contact with the cable 3 by being covered and elastically returning to the closing side of the cut portion 4a of the anti-termite tool 4.

Here, as shown in FIG. 3, in the ant-proof tool 4, both peripheral end portions 4b and 4b sandwiching the cut portion 4a are separated from each other in a state of being covered with the cable 3. The ant-proof tool 4 is arranged so that the cut portion 4a is located on the lower side.

Specifically, the underground box 1 is composed of a hand hole, a manhole, or the like. The protective tube 2 is an electric wire tube that protects the cable 3, and is made of, for example, a corrugated tube in which waves are formed in the longitudinal direction thereof, and has flexibility. Therefore, the protective pipe 2 is directly connected (that is, without using a connector) to the through hole 1b of the side wall 1a of the underground buried box 1. In the illustrated embodiment, the protective tube 2 is connected so as to be embedded in the side wall 1a, and the through hole 1b is formed in the side wall 1a by the embedded protective tube 2. However, the protective tube 2 is formed by passing the protective tube 2 through the through hole 1a previously formed in the side wall 1a and closing or filling the gap on the outer peripheral side of the protective tube 2 with a filler such as mortar. It may be directly connected to the through hole 1b of the side wall 1a.

Further, in the illustrated embodiment, the bell mouth 7 is inserted into the tip portion of the protective tube 2 that opens into the underground box 1. Then, the space between the portion extending to the outside of the bell mouth 7 and the side wall 1a is filled with the putty 8 made of epoxy resin or the like.

Here, the protective tube 2 contains an ant-proof component as a whole. As a result, the protective tube 2 as a whole becomes an ant-proof treatment section 6. That is, the entire tube of the protective tube 2 is made of a material containing an anti-termite component. Here, the anti-termite component may be, for example, a neonicotinoid compound such as clothianidin, or a pyrethroid compound, an organic phosphorus agent, a carbamate agent, a boron compound, or a fluorine compound. Therefore, this anti-termite component is, for example, encapsulated in microcapsules, kneaded with a synthetic resin material as a base, and molded to form a protective tube 2.

The anti-termite tool 4 has, for example, a cylindrical shape in accordance with the outer circumference of the cable 3, and contains an anti-termite component as a whole. That is, the entire cylinder of the anti-termite tool 4 is made of a material containing an anti-termite component. Here, the anti-termite component is the same as that in the protective tube 2, and this anti-termite component is, for example, encapsulated in microcapsules, kneaded and molded into a synthetic resin material as a base, and the anti-termite tool 4 is formed. It is formed.

Next, the action and effect of the anti-termite tool 4 and the anti-termite structure 5 having the above configuration will be described. The anti-termite tool 4 is formed in a tubular shape and contains an anti-termite component at least on the outer surface side (in the illustrated embodiment, as a whole). Then, by expanding the cut portion 4a provided in the anti-termite tool 4 and inserting the cable 3 into the inside from the expanded cut portion 4a, the anti-termite tool 4 is put on the cable 3. At this time, the cut portion 4a elastically returns to the closing side, and the ant-proof tool 4 comes into close contact with the cable 3. In this way, the termite preventive tool 4 can be easily put on the cable 3 from the cut portion 4a, and the termite preventive tool 4 tries to move along the cable 3 or breaks through the cable 3. Can be prevented. That is, the cable 3 can be easily subjected to the anti-termite treatment by the tubular anti-termite tool 4 having the cut portion 4a that elastically returns and is in close contact with the cable 3. In particular, in the illustrated embodiment, since the anti-termite tool 4 contains an anti-termite component as a whole, the anti-termite effect of the anti-termite tool 4 can be enhanced.

Further, in the ant-proof structure 5, the cable 3 is arranged so as to pass through the inside of the protection pipe 2 and the inside of the underground buried box 1 to which the protection pipe 2 is connected. The anti-termite treatment unit 6 is provided with anti-termite treatment at least on the inner surface of the connection portion between the protective pipe 2 and the underground box 1 or its vicinity. The anti-termite tool 4 is formed in a tubular shape and contains an anti-termite component at least on the outer surface side (in the illustrated embodiment, as a whole). Then, the termite prevention tool 4 is put on the cable 3 so as to extend into the underground buried box 1 from a position overlapping with the anti-termite processing unit 6, so that termites can be placed in the box from the joint of the underground buried box 1 or the like. Even if it enters, it becomes difficult for the termites to enter the protective tube 2 from the underground box 1 along the cable 3. In particular, in the illustrated embodiment, since the entire protective tube 2 is the anti-termite processing section 6, termites eat or break through the protective tube 2 from the outside of the protective tube 2 and the protective tube 2 It is possible to prevent it from invading the inside of the.

Further, in the ant-proof tool 4, since the cutting portion 4a is located on the lower side, it becomes difficult for termites to reach the cutting portion 4a, and the termites are protected from the underground buried box 1 side along the cutting portion 4a. It is possible to prevent going to the second side. In particular, when the cut portion 4a is located directly below, the peripheral end portion 4b sandwiching the cut portion 4a comes into contact with or is close to the anti-termite processing portion 6, and more accurately, termites are buried in the ground along the cut portion 4a. It is possible to prevent the vehicle from moving from the box 1 side to the protective tube 2 side.

Further, in the illustrated embodiment, when the cut portion 4a is positioned directly below, the cable 3 exposed from the cut portion 4a is the inner surface of the pipeline (that is, the protective pipe 2, etc.) in which the cable 3 is arranged. (See FIGS. 2 and 3). Therefore, when the anti-termite tool 4 is put on the cable 3 in the underground buried box 1 and the anti-termite tool 4 is sent into the protective pipe 2, the cut-off portion 4a is positioned directly below the anti-termite tool. It is possible to prevent the 4 from coming into contact with the inner surface of the pipeline, whereby the anti-termite tool 4 can be smoothly fed into the protective pipe 2.

The present invention is not limited to the above-described embodiment, and various other modifications can be made. For example, one anti-termite tool 4 is placed on the cable 3 so as to extend from a position overlapping with the anti-termite processing portion 6 into the underground buried box 1, but as shown in FIG. 4, the anti-termite tool 4 is covered. The length may be shortened and a plurality of them may be covered side by side. That is, a plurality of protective devices 4 may be arranged side by side along the cable 3. As a result, even when the cable 3 is curved, the ant-proofing tool 4 can easily follow the curvature. Then, in this case, all of the anti-termite tools 4 and 4 are arranged at least in the anti-termite processing section 6 among the plurality of anti-termite tools 4 and 4 in addition to the arrangement so that the cut portion 4a is located on the lower side. The anti-termite tool 4 to be used may be arranged so that the cut portion 4a is located on the lower side (preferably directly below). In this way, in the anti-termite tool 4 arranged in the anti-termite processing portion 6, since the cut portion 4a is located on the lower side, it becomes difficult for the termites to reach the split portion 4a, and the termites are transmitted along the cut portion 4a. It is possible to prevent the termite from moving from the underground box 1 side to the protective pipe 2 side. In particular, when the cut portion 4a is located directly below, the peripheral end portion 4b sandwiching the cut portion 4a comes into contact with or is close to the anti-termite processing portion 6, and more accurately, termites are buried in the ground along the cut portion 4a. It is possible to prevent the vehicle from moving from the box 1 side to the protective tube 2 side.

Further, as described above, when a plurality of anti-termites 4 and 4 are arranged side by side along the cable 3, the anti-termites 4 and 4 have the cutting portions 4a adjacent to each other. It may be arranged so as to be displaced in the circumferential direction from the cut portion 4a of the above. As a result, even if the termites try to move from the underground box 1 side to the protective pipe 2 side along the cutting portion 4a, the cutting portions 4a and 4a are displaced in the circumferential direction next to each other. Can be prevented from progressing.

Further, the ant-proof tool 4 may be arranged so that the cut portion 4a is not arranged so as to be located on the lower side, but may be arranged so as to face the upper side.

Further, in the ant-proof tool 4, both peripheral end portions 4b and 4b sandwiching the cut portion 4a are separated from each other in a state of being covered with the cable 3, but they may be in contact with each other.

Further, by covering the cable 3 with the anti-termite tool 4, it is not necessary to use an expensive anti-termite cable as the cable 3, but in order to further ensure the anti-termite effect, an anti-termite cable may be used. I do not care.

Further, the anti-termite tool 4 does not have to contain the anti-termite component as a whole, as long as it contains at least the anti-termite component on the outer surface side. That is, the anti-termite tool 4 may be composed of a plurality of layers and the outer layer thereof may be formed of a material containing the anti-termite component, in addition to the entire cylinder being formed of the material containing the anti-termite component. .. However, when the anti-termite tool 4 is composed of a plurality of layers, the outer layer is coated with a coating liquid containing an anti-termite component on the outer surface of the inner layer to which the outer layer faces, and the coating liquid is applied. It may be cured and filmed to form. Here, the coating liquid is, for example, a mixture of a synthetic resin or the like and an anti-termite component, specifically, a binder resin, a volatile solvent, and an anti-termite component, and the volatile solvent volatilizes after coating. By doing so, the coating liquid is cured and formed into a film.

Further, the ant-proof tool 4 is provided with a plurality of holes (particularly holes having a size that termites cannot pass through, for example, a hole having a diameter of 0.5 mm) that penetrates the inside and outside of the cylinder, and the cable 3 is provided. You may try to let the heat out.

Further, the protective pipe 2 may be connected via a connecting tool 9 as shown in FIG. 5 without being directly connected to the through hole 1b of the side wall 1a of the underground buried box 1. That is, one end side of the tubular connecting tool 9 is connected to the through hole 1b of the side wall 1a, and the protective tube 2 is connected to the other end side of the connecting tool 9, so that the protective tube 2 is connected to the through hole 1b. May be connected via a connector 9.

Further, the protective tube 2 does not have to contain the anti-termite component as a whole, but may contain at least the anti-termite component on the inner surface side. That is, at least the inner surface of the protective tube 2 may be the anti-termite treatment section 6. That is, the protective tube 2 may be composed of a plurality of layers and the inner layer thereof may be formed of a material containing an anti-termite component, in addition to the entire tube being formed of a material containing an anti-termite component. Good. However, when the protective tube 2 is composed of a plurality of layers, the inner layer thereof is coated with a coating liquid containing an anti-termite component on the inner surface of the outer layer to which the inner layer faces, and the coating liquid is cured. It may be formed by forming a film. Here, the coating liquid is, for example, a mixture of a synthetic resin or the like and an anti-termite component, specifically, a binder resin, a volatile solvent, and an anti-termite component, and the volatile solvent volatilizes after coating. By doing so, the coating liquid is cured and formed into a film.

Further, even if the anti-termite treatment unit 6 is not due to the protective tube 2 itself, as shown in FIG. 6, the anti-termite treatment unit 6 is formed on the inner surface side of the protective tube 2 (if the connector 9 is present, the connection tool 9 is present). A tubular body 10 may be newly provided on the protective tube 2 and / and the inner surface side of the connector 9. That is, similarly to the protective tube 2 described above, the tubular body 10 may have at least its own inner surface as an anti-termite treatment portion 6 by containing an anti-termite component at least on the inner surface side. By containing the anti-termite component in the whole, the whole may become the anti-termite treatment unit 6. Then, in this case, the space between the tubular body 10 and the protective tube 2 (if the connecting tool 9 is present, the protective tube 2 and / and the connecting tool 9) is sealed by the sealing material 11 containing an anti-termite component. Is preferable. Further, in the illustrated embodiment, one tubular body 10 is provided, but a plurality of tubular bodies 10 may be provided side by side.

Further, as shown in FIG. 7, the cable 3 is composed of a plurality of insulated wires 3a and 3a, and the plurality of insulated wires 3a and 3a are exposed without being covered with a common protective outer coating. It may be formed (that is, it may be a triplex type cable in which a plurality of, for example, three insulated wires 3a and 3a are twisted together). In this case, in the space surrounded by the inner surface of the anti-termite tool 4 and the insulating electric wires 3a and 3a, at least a part thereof is in the area extending from the position overlapping with the anti-termite processing portion 6 into the underground buried box 1. The region is preferably filled with a filler 12 (for example, putty, caulking, etc.) containing an anti-termite component. In this way, the space surrounded by the inner surface of the anti-termite tool 4 and the insulated wires 3a and 3a is filled with the filler 12 containing the anti-termite component, so that the termites can accurately move along the cable 3. Can be prevented. Here, the position of the anti-termite tool 4 to be filled with the filler 12 is preferably, but is not limited to, the end portion of the anti-termite tool 4 on the side inside the underground box 1.

Further, the protective tube 2 may be a smooth tube instead of a corrugated tube.

1 Underground box 1a Side wall 1b Through hole 2 Protective pipe 3 Cable 3a Insulated wire 4 Anti-termite 4a Cut part 4b Peripheral end 5 Anti-termite structure 6 Anti-termite treatment 9 Connector 12 Filler

Claims (9)

An ant-proof device that covers the cable
It is formed in a tubular shape, contains an anti-termite component at least on the outer surface side, has a cut portion that extends continuously in the longitudinal direction, and also has a cut portion .
The inner diameter of the anti-termite tool is formed to be smaller than the outer diameter of the cable, and the cut portion can be expanded by the elasticity of the anti-termite tool itself, and the cable is inserted from the expanded cut portion. a insertable into, by elastic return to the Setsuwari portion is closed side, the inner surface of the termite device is in close contact with the cable, Boarigu. In an arrangement path in which a protective pipe is connected directly or via a connector to a through hole in the side wall of the underground buried box, and a cable is arranged so as to pass through the protective pipe and the underground buried box. It has an ant-proof structure and
At least, an anti-termite treatment portion having an anti-termite treatment on at least the inner surface of the connection portion between the protective pipe and the underground buried box or its vicinity, and an anti-termite tool to cover the cable are provided.
The anti-termite tool is formed in a tubular shape, contains an anti-termite component at least on the outer surface side, and has a cut portion that extends continuously in the longitudinal direction.
The cut portion can be expanded by the elasticity of the ant-proof tool itself, and the cable can be inserted into the inside through the expanded cut portion.
The cable is covered with one or more of the anti-termite tools side by side so as to pass from a position overlapping the anti-termite treatment portion into the underground buried box, and elastically returns to the side where the cut portion is closed. By doing so, the inner surface of the anti-termite tool is in close contact with the cable. The anti-termite structure according to claim 2, wherein the anti-termite tool is covered with the cable and both peripheral ends sandwiching the cut portion are separated from each other . The anti-termite structure according to claim 3, wherein the anti-termite tool is arranged so that the cut portion is located on the lower side . The ant-proof structure according to any one of claims 2 to 4, wherein a plurality of the ant-proof tools are arranged side by side along the cable . A plurality of the anti-termites are arranged side by side along the cable , and among the plurality of anti-termite tools, at least the anti-termite tools arranged in the anti-termite treatment section have the cut portion on the lower side. The ant-proof structure according to claim 3, which is arranged so as to be located . A plurality of the anti-termites are arranged side by side along the cable, and the anti-termites are arranged so that the cut portion is displaced in the circumferential direction from the cut portion of the adjacent anti-termite . The ant-proof structure according to claim 3 . The anti-termite structure according to any one of claims 2 to 7, wherein the protective tube contains an anti-termite component at least on the inner surface side, so that at least the inner surface of the protective tube serves as the anti-termite treatment portion . The cable is composed of a plurality of insulated wires, and the plurality of insulated wires are formed in an exposed state without being covered with a common protective outer coating.
In the space surrounded by the inner surface of the anti-termite tool and the insulated wire, at least a part of the area extending from the position overlapping the anti-termite treatment portion to the inside of the underground buried box contains the anti-termite component. The anti-termite structure according to any one of claims 2 to 8, which is filled with a filler contained therein .

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