Fireproof treatment structure

Abstract

To provide a fireproof treatment structure capable of reducing variation in fireproof performance and maintaining a sufficient fireproof performance without requiring grounding work in a partition part made of a skeleton material provided with an opening through which an insertion body passes.SOLUTION: A fireproof treatment structure includes in a partition part 11 of a building constructed by skeleton materials 12A, 12B formed with a first opening 15A and a second opening 15B: a box-shaped resin member 3 installed on a back surface 11D side of the skeleton material 12B so as to cover the first opening 15A, and a lid-shaped member 4 installed so as to face a front surface side of the box-shaped member 3, in the first opening 15A; and a first fireproof material 1 through which an insertion body 21 is inserted and which is arranged so as to block a gap between the second opening 15B and the insertion body 21, in the second opening 15B. At least a part of the box-shaped member 3 is a fireproof material or second fireproof materials 5A, 5B are arranged in the box-shaped member 3.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a fire-resistant structure formed in a partition of a building or the like. [Background technology]

[0002] In buildings such as apartment buildings, office buildings, and schools, openings are provided in the main structure (wall material) of partitions such as walls to allow cables, pipes, and other inserts to pass through, and metal boxes such as information panels, fire prevention equipment control panels, and distribution panels that consolidate the inserts that pass through the openings are installed to cover the openings (see, for example, Patent Document 1).

[0003] Partitions made of a base material with openings are required to have a structure with fire prevention measures (fire-resistant structure) to prevent the fire from spreading to other compartments in the event of a fire in one compartment. Therefore, one known method for making partitions made of a base material with openings fire-resistant is to fill the gap between the opening and the insert with an amorphous filler such as fire-resistant putty. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2023-58922 Summary of the Invention [Problem to be solved by the invention]

[0005] However, when amorphous fillers are used to fireproof a building frame with an opening, variations in application can occur depending on the worker, and sufficient fire resistance may not be achieved. Furthermore, metal boxes, such as information panels, fire protection equipment control panels, and switchboards, can develop gaps at the interface with the opening due to deterioration of the building frame over time or the accumulation of external forces acting on the box. This can lead to a deterioration in fire resistance in fire-resistant structures using amorphous fillers, making it difficult to maintain fire resistance. Furthermore, metal boxes require earthing to ensure they are at the same potential as the ground to prevent accidents such as fires caused by electrical leakage.

[0006] Therefore, the present invention aims to provide a fire-resistant structure in which a partition made of a base material having an opening for passing an insert does not require earthing work, reduces variation in fire resistance performance, and can maintain sufficient fire resistance performance. [Means for solving the problem]

[0007] The present invention has been made to solve the above problems, and the gist of the present invention is as follows. [1] A fire-resistant structure in which a partition section of a building is made of a base material having a first opening and a second opening, the first opening is provided with a resin box-shaped member installed on the back side of the base material so as to cover the first opening, and a lid-shaped member installed opposite the front side of the box-shaped member, a penetrating body is inserted into the second opening, and a first fire-resistant material is arranged so as to close the gap between the second opening and the penetrating body, and at least a part of the box-shaped member is made of a fire-resistant material, or a second fire-resistant material is arranged in the box-shaped member. [2] The first fire-resistant material comprises at least one of a tape-shaped member, a sheet-shaped member, and a fire-resistant filler, and at least one of the tape-shaped member, the sheet-shaped member, and the fire-resistant filler is arranged so as to be in contact with the insert. [1] The fire-resistant structure described in [1]. [3] The first fire-resistant material has a cylindrical portion that surrounds the insert and is inserted into the second opening, and a flange-shaped portion that protrudes outward from one end of the cylindrical portion and is arranged to contact the base material, and at least one of the cylindrical portion and the flange-shaped portion is a thermally expandable molded body having thermal expandability. [1] The fire-resistant treated structure described in [2] or [3]. [4] A fire-resistant structure described in any one of [1] to [3], wherein the first fire-resistant material surrounds the insert at the second opening, fills at least a portion of the gap between the second opening and the insert, and is an expanding material having thermal expansion properties. [5] A fire-resistant structure described in any one of [1] to [4], wherein the first fire-resistant material is a thermally expandable expanding material installed in a sleeve made of at least one of metal, resin, and paper that surrounds the insert at the second opening. [6] The fireproof structure according to any one of [1] to [5], further comprising a cover member that closes at least a part of the gap between the first fireproof material and the insert. [7] The fireproof structure according to any one of [1] to [6], further comprising a locking portion that is in contact with the base material and can determine the installation position of the first fireproof material. [8] The fireproof structure according to any one of [1] to [7], wherein the second fireproof material arranged in the box-shaped member is arranged so as to be in contact with the base material. [9] A fire-resistant structure described in any one of [1] to [8], further comprising a third fire-resistant material arranged between the lid-shaped member and the base material, filling the gap between the lid-shaped member and the base material.

[10] A fire-resistant structure described in any one of [1] to [9], wherein the second fire-resistant material is arranged between the box-shaped member and the base material and fills the gap between the box-shaped member and the base material.

[11] The fire-resistant structure according to any one of [1] to

[10] , wherein a functional material is disposed either inside or outside the box-shaped member. [Effects of the Invention]

[0008] According to the present invention, a fire-resistant structure can be provided in which, in a partition section made of a base material having an opening for passing an insert, earthing work is not required, variation in fire resistance performance is reduced, and sufficient fire resistance performance can be maintained. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a cross-sectional view showing a fire-resistant structure according to a first embodiment of the present invention. [Figure 2] 1 is a cross-sectional view showing one compartment penetration structure of a fire-resistant structure according to a first embodiment of the present invention. [Figure 3] 1 is a front view of a box-shaped member that constitutes a fire-resistant structure according to a first embodiment of the present invention. [Figure 4] 1 is a perspective view (part 1) of a lid-like member that constitutes a fire-resistant structure according to a first embodiment of the present invention. [Figure 5] FIG. 2 is a perspective view (part 2) of the lid-like member that constitutes the fire-resistant structure according to the first embodiment of the present invention. [Figure 6] 1 is a perspective view showing the installation relationship between a box-shaped member and a lid-shaped member that constitute a fire-resistant structure according to a first embodiment of the present invention. [Figure 7] FIG. 3 is a schematic perspective view showing the other compartment penetration structure of the fire-resistant structure according to the first embodiment of the present invention. [Figure 8] FIG. 4 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to the first embodiment of the present invention. [Figure 9] FIG. 10 is a schematic perspective view showing the other compartment penetration structure of the fireproof structure according to Modification 1 of the first embodiment of the present invention. [Figure 10] FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to Modification 1 of the first embodiment of the present invention. [Figure 11] 10 is a schematic perspective view showing the other compartment penetration structure of the fireproof structure according to Modification 2 of the first embodiment of the present invention. FIG. [Figure 12]FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to Modification 2 of the first embodiment of the present invention. [Figure 13] FIG. 10 is a schematic perspective view showing the other compartment penetration structure of the fire-resistant structure according to Modification 3 of the first embodiment of the present invention. [Figure 14] FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to Modification 3 of the first embodiment of the present invention. [Figure 15] FIG. 10 is a schematic perspective view showing the other compartment penetration structure of the fireproof structure according to Modification 4 of the first embodiment of the present invention. [Figure 16] FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to Modified Example 4 of the first embodiment of the present invention. [Figure 17] FIG. 10 is a schematic perspective view showing the other compartment penetration structure of the fireproof structure according to Modification 5 of the first embodiment of the present invention. [Figure 18] FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fire-resistant structure according to Modified Example 5 of the first embodiment of the present invention. [Figure 19] FIG. 10 is a schematic perspective view showing the other compartment penetration structure of the fireproof structure according to Modified Example 6 of the first embodiment of the present invention. [Figure 20] FIG. 10 is a cross-sectional view showing the other compartment penetration structure of the fireproof structure according to the sixth modified example of the first embodiment of the present invention. [Figure 21] FIG. 13 is a schematic perspective view (part 1) showing the other compartment penetration structure of the fireproof structure according to the seventh modified example of the first embodiment of the present invention. [Figure 22] FIG. 10 is a cross-sectional view (part 1) showing the other compartment penetration structure of the fireproof structure according to the seventh modified example of the first embodiment of the present invention. [Figure 23] FIG. 22 is a schematic perspective view (part 2) showing the other compartment penetration treatment structure of the fireproofing treatment structure according to the seventh modified example of the first embodiment of the present invention. [Figure 24] FIG. 20 is a cross-sectional view (part 2) showing the other compartment penetration structure of the fireproof structure according to the seventh modified example of the first embodiment of the present invention. [Figure 25]FIG. 13 is a cross-sectional view (part 1) showing the other compartment penetration structure of the fireproof structure according to Modified Example 8 of the first embodiment of the present invention. [Figure 26] FIG. 20 is a cross-sectional view (part 2) showing the other compartment penetration structure of the fire-resistant structure according to Modified Example 8 of the first embodiment of the present invention. [Figure 27] FIG. 10 is a cross-sectional view showing one compartment penetration structure of a fire-resistant structure according to a second embodiment of the present invention. [Figure 28] FIG. 10 is a cross-sectional view showing one compartment penetration structure of a fire-resistant structure according to a third embodiment of the present invention. [Figure 29] FIG. 10 is a cross-sectional view showing a fire-resistant structure according to another embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0010] The present invention will be described in more detail below using embodiments.

[0011] [First embodiment] The partition 11 in the fire-resistant structure according to the first embodiment of the present invention is a member that separates compartments (a first compartment A and a second compartment B) in the wall and floor of a building. The partition 11 shown in Fig. 1 is composed of two main members (partition members) 12A and 12B that are arranged with a gap (hollow portion 13) between them. Main member 12B has a first opening 15A for passing through inserts such as cables and pipes, and main member 12A has a second opening 15B. Examples of the framework materials 12A and 12B include gypsum board, ALC board, extruded cement board, lightweight wood wool cement board, wood chip cement board, metal sandwich panel, calcium silicate board, slate board, concrete, brick, glass, and metal plate (e.g., aluminum, iron), etc. The shapes of the first opening 15A and the second opening 15B provided in the framework materials 12A and 12B are not particularly limited as long as they allow insertion members such as cables and pipes to pass through, and may be, for example, circular, elliptical, or a shape similar thereto.

[0012] As shown in FIG. 1, the fireproof structure according to the first embodiment of the present invention provides a fireproof partition 11 of a building made of base members 12A and 12B having a first opening 15A and a second opening 15B. The compartment penetration structure 10A having the first opening 15A includes a resin box-shaped member 3 installed on the back surface 11D of the base member 12B to cover the first opening 15A, and a lid-shaped member 4 installed facing the front surface of the box-shaped member 3. The compartment penetration structure 10B having the second opening 15B includes a first fireproof member 1 inserted into the insert 21 and arranged to close the gap between the second opening 15B and the insert 21. At least a portion of the box-shaped member 3 arranged in the compartment penetration structure 10A is made of a fireproof material, or second fireproof members 5A and 5B are arranged in the box-shaped member 3.

[0013] (Compartment penetration processing structure 10A) The components constituting the compartment penetration structure 10A in the fire-resistant structure according to the first embodiment will be described below.

[0014] 2 and 3, the box-shaped member 3 has a back plate 30 disposed so as to face the first opening 15A, and side plates 31 that form the periphery of the back plate 30. The back plate 30 and side plates 31 that constitute the box-shaped member 3 may be formed by bending and joining plate-like members that are designed as an integral unit, or may be formed by combining plate-like members that are designed separately. At least one of the side plates 31 of the box-shaped member 3 has an insertion opening 32 through which an inserting body 21 such as a cable or a pipe is inserted. An inserting body connector 33 is provided in the insertion opening 32, and the inserting body 21 is drawn into the inside of the box-shaped member 3 through the inserting body connector 33. The inserting body 21 is drawn into at least the inside of the box-shaped member 3 through the gap 13 from the second opening 15B.

[0015] The lid-like member 4 has a front portion 4A that is arranged on the front surface 11C side of the base material 12B, and an insertion portion 40 that is connected to the front portion 4A and inserted into the first opening 15A. The front portion 4A is arranged so that its back side is in contact with the front surface 11C of the partition portion 11, and the front portion 4A and the box-like member 3 are arranged so as to sandwich the base material 12B that constitutes the partition portion 11. 4 and 5, the lid-like member 4 has a frame 41 installed on the front surface 11C side of the base material 12B so as to surround the first opening 15A, and a door portion 42 provided inside the frame 41 and capable of being opened and closed on the front surface 11C side of the base material 12B. A plate-shaped base portion 41A is connected to the frame 41, covering at least a portion of the inside and disposed on the back side of the door portion 42. A plate-shaped bottom surface 40A is provided at the bottom of the insertion portion 40, and a space is formed between the base portion 41A and the bottom surface 40A.

[0016] As shown in FIGS. 1 and 5 , the cover-shaped member 4 has a through-hole 43 in its bottom surface 40A for inserting the penetrating body 21 drawn into the box-shaped member 3, and the penetrating body 21 is drawn into the cover-shaped member 4 through the through-hole 43. The cover-shaped member 4 has a control device 48 that controls conductive materials such as electricity, electrical signals, light, optical signals, liquids, and gases conducted by the penetrating body 21. The control device 48 includes a CPU (microprocessor), memory, input ports, output ports, and the like. When the cover-shaped member 4 is an information panel or a distribution panel and the conductive materials are electricity and electrical signals, a connection terminal 44 and control switches 45 and 46 are provided therein as shown in FIG. 4 , and the penetrating body 21 is connected to the connection terminal 44 via a through-hole 43A provided in the base portion 41A. By operating the control switches 45 and 46, the control device controls the conductive materials that reach the connection terminal 44. 5, the lid-like member 4 is provided with an opening / closing assisting part 49 that assists in opening and closing the door part 42. There are no particular limitations on the opening / closing assisting part 49 as long as it assists in opening and closing the door part 42 by magnetic means, mechanical means, or the like.

[0017] As shown in Figures 1, 4, and 5, the box-shaped member 3 and the lid-shaped member 4 are arranged to sandwich the base material 12B, and are attached to the base material 12B by fastening them together with fastening members 7 such as screws. Specifically, the side panel 31 has a fastening piece 36 on the lid-shaped member 4 side, and a fastening hole 35 is formed in the fastening piece 36. Then, as shown in Figure 6, the fastening member 7 is inserted and fastened through the fastening hole 35 and a fastening hole 47 formed in the base portion 41A of the lid-shaped member 4, thereby fastening the box-shaped member 3 and the lid-shaped member 4 to sandwich the base materials 12A and 12B. At least one of the fixing holes 35, 47 may have a margin with respect to the diameter of the fixing member 7 to absorb and eliminate deviations such as design errors when fixing the box-shaped member 3 and the lid-shaped member 4.

[0018] The box-shaped member 3 is made of resin. The resin used for the box-shaped member 3 is not particularly limited and may be either a thermoplastic resin or a curable resin such as a thermosetting resin. Specific resins constituting the box-shaped member 3 include polyethylene resins typified by high-density polyethylene (HDPE), polypropylene resins typified by homopolypropylene and random polypropylene, polyolefin resins such as cyclic polyolefin resins, ethylene-vinyl acetate copolymer resins, ABS resin (acrylonitrile-butadiene-styrene copolymer resin), AS resin (acrylonitrile-styrene copolymer resin), polystyrene resin, polyester resins typified by PET resin, polycarbonate resin, polyamide resin, rigid polyurethane resin, acrylic resins such as polymethyl methacrylate, polyacetal resin, polyphenylene sulfide resin, polyethersulfone resin, polyphenylene oxide resin, polyacrylonitrile resin, polylactic acid, polyamide-imide resin, polyimide resin, and fluororesin. Among these, polyolefin resins and ABS resins are preferred from the viewpoint of versatility and mechanical strength, and polyolefin resins are particularly preferred.

[0019] The material of the lid-shaped member 4 is not particularly limited as long as it is fire-resistant, and examples thereof include metal, inorganic, and resin materials. Examples of metal materials include alloys of one or more of steel, aluminum, copper, stainless steel, tin, lead, etc. Examples of inorganic materials include ceramic and porcelain. Examples of resin materials include the resin used for the box-shaped member 3 described above. When the lid-shaped member 4 is made of resin, the same resin as that of the box-shaped member 3 may be used, or a resin different from that of the box-shaped member 3 may be used.

[0020] The box-shaped member 3 is at least partially made of a fire-resistant material, or has second fire-resistant materials 5A and 5B arranged therein. In order to make at least a portion of the box-shaped member 3 a fire-resistant material, it is sufficient that at least a portion of the box-shaped member 3 is formed from a fire-resistant material, and it is preferable that it is formed from a heat-expandable fire-resistant material that expands when heated. The box-shaped member 3 formed from a heat-expandable fire-resistant material expands in the event of a fire, thereby preventing the spread of the fire. The heat-expandable fire-resistant material is preferably formed from a heat-expandable resin composition, as described below. To achieve an embodiment in which the second fire-resistant materials 5A and 5B are arranged in the box-shaped member 3, the second fire-resistant materials 5 (5A and 5B) described below may be arranged at any location in the box-shaped member 3.

[0021] The second fire-resistant material 5A is arranged on at least a part of the outer peripheral surface of the side panel 31 of the box-shaped member 3. By arranging the second fire-resistant material 5A on at least a part of the outer peripheral surface of the side panel 31 of the box-shaped member 3, it is possible to improve the fire resistance of the fire-resistant treated structure. The second fire-resistant material 5A is preferably arranged so as to surround the outer peripheral surface of the side panel 31 one or more times. The second fire-resistant material 5A is preferably in the form of a thin, long, strip-like tape from the viewpoint of ease of arrangement on the side panel 31 of the box-shaped member 3. The tape-like second fire-resistant material 5A may be arranged on the outer periphery of the side panel 31 of the box-shaped member 3 by a known means, such as a means of attaching it using an adhesive or pressure-sensitive adhesive, or a means of fixing it using screws and a tacker.

[0022] The second fire-resistant material 5A arranged on the outer periphery of the side panel 31 of the box-shaped member 3 is arranged so as to come into contact with the main body material 12B when the box-shaped member 3 is installed in the partition section 11. As shown in Figures 1 and 2, the second fire-resistant material 5A arranged on the outer periphery of the side panel 31 of the box-shaped member 3 comes into contact with the main body material 12B when the box-shaped member 3 is installed in the partition section 11, thereby closing the gap between the side panel 31 and the main body material 12B and improving the fire resistance of the fire-resistant treated structure. The second fire-resistant material 5A arranged on the outer periphery of the side panel 31 of the box-shaped member 3 is arranged on the edge of the side panel 31, and the second fire-resistant material 5A may close at least a part of the gap between the side panel 31 and the main body material 12B. By arranging the second fire-resistant material 5A on the edge of the outer periphery of the side panel 31 of the box-shaped member 3, it becomes easy to configure the box-shaped member 3 to come into contact with the main body material 12B when installed in the partition section 11, and it is possible to close at least a part of the gap between the side panel 31 and the main body material 12B, thereby further improving the fire resistance of the fire-resistant treated structure.

[0023] The second fire-resistant material 5A is disposed on at least a part of the outer periphery of the side panel 31 of the box-shaped member 3. However, from the viewpoint of improving the fire resistance of the fire-resistant treated structure, the second fire-resistant material 5A is preferably disposed so as to cover the entire outer periphery of the side panel 31 of the box-shaped member 3. 1 and 2, when at least one of the side panels 31 of the box-shaped member 3 has an insertion opening 32 through which the insert 21 is inserted, it is preferable to place a second fire-resistant material 5A on the side panel 31 having the insertion opening 32. Since the side panel 31 having the insertion opening 32 may cause the fire to spread through the insertion opening 32 in the event of a fire, it is preferable to place the second fire-resistant material 5A thereon to improve fire resistance. The second fire-resistant material 5A is preferably disposed between the box-shaped member 3 and the framework material 12B so as to close the gap between the box-shaped member 3 and the framework material 12B. By disposing the second fire-resistant material 5A between the box-shaped member 3 and the framework material 12B, the gap between the box-shaped member 3 and the framework material 12B is closed, thereby improving the fire resistance of the fire-resistant treated structure.

[0024] The second fire-resistant material 5A has a fire-resistant material layer (expansive material) formed of an expansive material having thermal expandability. The second fire-resistant material 5A has at least a fire-resistant material layer, so that the fire resistance of the fire-resistant treated structure can be ensured. The second fire-resistant material 5A is a thermally expandable member that expands when heated. The thermally expandable member prevents the spread of fire by expanding in the event of a fire. The thermally expandable member is preferably made of a thermally expandable resin composition, as described below. The thickness of the fireproof material layer is not particularly limited, but is, for example, 0.1 to 10 mm, preferably 0.5 to 5 mm. When the thickness of the fireproof material layer is equal to or less than the upper limit, flexibility is imparted to the second fireproof material 5A, and the installation workability of the second fireproof material 5A becomes easier. When the thickness of the fireproof material layer is equal to or more than the lower limit, fire resistance is more easily ensured.

[0025] The second fire-resistant material 5A may be composed of a single fire-resistant layer, or may have both a fire-resistant layer and a non-combustible material layer. Alternatively, the second fire-resistant material 5A may have layers other than the fire-resistant layer and the non-combustible material layer, such as a substrate layer and an adhesive layer.

[0026] The second fire-resistant material 5A may have an adhesive fire-resistant material layer or an adhesive layer. The adhesive fire-resistant material layer and the adhesive layer may form the outermost surface of the second fire-resistant material 5A. With the above configuration, the second fire-resistant material 5A can be fixed to the side panel 31 without using a fixing member separate from the second fire-resistant material 5A. Furthermore, by making the fire-resistant material layer itself adhesive, an adhesive layer is not required, which further simplifies the configuration of the second fire-resistant material 5A. When the second fire-resistant material 5A has an adhesive fire-resistant material layer or an adhesive layer on its outermost surface, a release sheet may be attached to the outermost surface. The release sheet may be peeled off from the outermost surface when the second fire-resistant material 5A is used.

[0027] The non-combustible material layer used in the second fire-resistant material 5A is made of a non-combustible material. Non-combustible materials are those defined in the Building Standards Act and the Building Standards Act Enforcement Order. Specific examples of the non-combustible material layer include metal foils such as aluminum foil and copper foil, glass cloth, and metal foil composites that are composites of metal foil and glass cloth, such as aluminum glass cloth. Among these, aluminum glass cloth is preferred from the viewpoint of fire resistance. The thickness of the noncombustible material layer is not particularly limited, but is, for example, 0.01 to 1 mm, preferably 0.05 to 0.5 mm. When the thickness of the noncombustible material layer is equal to or less than the upper limit, flexibility is imparted to the second fire-resistant material 5A, and the installation workability of the second fire-resistant material 5A becomes easier. When the thickness of the noncombustible material layer is equal to or more than the lower limit, fire resistance is more easily ensured.

[0028] The substrate here is a material other than the above-mentioned non-combustible materials, and examples thereof include paper, cloth, resin film, etc. The thickness of the substrate is, for example, 0.01 to 1 mm, and preferably 0.05 to 0.5 mm. The pressure-sensitive adhesive layer is preferably formed from a pressure-sensitive adhesive, and examples of the pressure-sensitive adhesive that can be used include acrylic pressure-sensitive adhesives, urethane pressure-sensitive adhesives, rubber pressure-sensitive adhesives, and silicone resin pressure-sensitive adhesives. The pressure-sensitive adhesive layer may be non-flammable, semi-non-flammable, or flame-retardant, and a flame retardant may be blended into the pressure-sensitive adhesive used. The thickness of the pressure-sensitive adhesive layer is, for example, 5 to 400 μm, and preferably 10 to 150 μm.

[0029] The thickness of the second fire-resistant material 5A is not particularly limited, but is, for example, 0.1 to 20 mm, preferably 0.5 to 10 mm. When the second fire-resistant material 5A has a thickness equal to or less than the above upper limit, flexibility is imparted to the second fire-resistant material 5A, and the installation workability of the second fire-resistant material 5A becomes easy. When the second fire-resistant material 5A has a thickness equal to or more than the above lower limit, fire resistance is easily ensured.

[0030] When the second fire-resistant material 5A has a multi-layer structure, it may have a two-layer structure, or a three-layer or more layer structure. Examples of the two-layer structure include a non-combustible material layer / fire-resistant material layer, a non-combustible material layer / adhesive layer, a fire-resistant material layer / adhesive layer, a substrate / fire-resistant material layer, and a substrate / non-combustible material layer. Furthermore, examples of three-layer structures that have an adhesive layer include non-combustible material layer / fire-resistant material layer / adhesive layer, substrate / fire-resistant material layer / adhesive layer, substrate / non-combustible material layer / adhesive layer, etc. Other examples of three-layer structures that do not have an adhesive layer include non-combustible material layer / substrate / fire-resistant material layer, substrate / non-combustible material layer / fire-resistant material layer, and substrate / fire-resistant material layer / non-combustible material layer. Examples of structures with four or more layers include a three-layer structure in which an additional adhesive layer is provided as the outermost layer of the three-layer structure not provided with an adhesive layer. Typical examples include adhesive layer / non-combustible material layer / substrate / fire-resistant material layer, non-combustible material layer / substrate / fire-resistant material layer / adhesive layer, substrate / non-combustible material layer ... and substrate / fire-resistant material layer / non-combustible material layer / adhesive layer. Furthermore, in the above multilayer structures, adjacent non-combustible material layers and fire-resistant material layers, non-combustible material layers and substrates, and fire-resistant material layers and substrates may be bonded together with known adhesives, and therefore, in each of the above laminated structures, an adhesive layer may be provided between each of the above layers. In the multilayer structure, the second fire-resistant material 5A may have the same layer configuration throughout, or may have a partially different structure. For example, an adhesive layer may be provided on a part of the second fire-resistant material 5A, so that a part of the second fire-resistant material 5A has a single-layer structure and a part of the second fire-resistant material 5A has a multilayer structure.

[0031] The area occupied by the second fire-resistant material 5A on the side panel 31 of the box-shaped member 3 is preferably 20% or more, more preferably 30% or more, and even more preferably 40% or more, of the outer peripheral surface of the side panel 31. When the area occupied by the second fire-resistant material 5A on the side panel 31 is equal to or greater than the above-mentioned lower limit, the fire resistance of the fireproof structure can be improved. Furthermore, the area occupied by the second fire-resistant material 5A on the side panel 31 may be 100% of the outer peripheral surface of the side panel 31, but is preferably equal to or less than 95%, more preferably equal to or less than 85%, and even more preferably equal to or less than 75%. When the area occupied by the second fire-resistant material 5A on the side panel 31 is equal to or less than the above-mentioned upper limit, excessive installation of the second fire-resistant material 5A can be suppressed, thereby reducing costs.

[0032] At least the second fire-resistant material 5B is disposed inside the box-shaped member 3. It is preferable that a plurality of second fire-resistant materials 5B are disposed inside the box-shaped member 3. The second fire-resistant material 5B disposed inside the box-shaped member 3 improves the fire resistance of the inside of the box-shaped member 3 in the event of a fire, thereby improving the fire resistance of the entire fire-resistant treated structure. 3, the second fire-resistant material 5B is disposed on at least a portion of the rear panel 30 and the side panel 31 inside the box-shaped member 3. The second fire-resistant material 5B disposed on at least a portion of the rear panel 30 and the side panel 31 is preferably in the form of a thin, long, narrow strip of tape, from the viewpoint of ease of disposing on the rear panel 30 and the side panel 31. The tape-like second fire-resistant material 5B may be disposed inside the box-shaped member 3 by any known means, such as by attaching it using an adhesive or pressure-sensitive adhesive, or by fixing it using screws and a tacker. 3, the tape-shaped second fire-resistant material 5B is arranged on at least a part of the rear panel 30 and the side panel 31 inside the box-shaped member 3, but the tape-shaped second fire-resistant material 5B does not have to be arranged on the rear panel 30 and the side panel 31 inside the box-shaped member 3, and although not shown, the second fire-resistant material 5B may be arranged so as to fill the space inside the box-shaped member 3. The second fire-resistant material 5B filling the space inside the box-shaped member 3 may be amorphous.

[0033] When at least one of the back panel 30 and the side panel 31 of the box-shaped member 3 has an insertion hole for inserting the inserter 34, it is preferable to arrange at least the second fire-resistant material 5B in the parts constituting the box-shaped member 3 other than the back panel 30 and the side panel 31 having the insertion hole. By arranging at least the second fire-resistant material 5B in the parts constituting the box-shaped member 3 other than the back panel 30 and the side panel 31 having the insertion hole, the fire resistance of the inside of the box-shaped member 3 can be improved in the event of a fire, and the fire resistance of the entire fire-resistant treated structure can be improved.

[0034] The tape-shaped second fire-resistant material 5B has a fire-resistant layer (expansive material) formed of an expansive material having thermal expandability. The tape-shaped second fire-resistant material 5B has at least a fire-resistant material layer, thereby ensuring the fire resistance of the fire-resistant treated structure. The tape-shaped second fire-resistant material 5B is a thermally expandable member that expands when heated. The thermally expandable member prevents the spread of fire by expanding in the event of a fire. The thermally expandable member is preferably made of a thermally expandable resin composition, as described below. The thickness of the fire-resistant material layer is not particularly limited, but is, for example, 0.1 to 10 mm, preferably 0.5 to 5 mm. When the thickness of the fire-resistant material layer is equal to or less than the upper limit, flexibility is imparted to the tape-shaped second fire-resistant material 5B, and the tape-shaped second fire-resistant material 5B can be easily installed. When the thickness of the fire-resistant material layer is equal to or greater than the lower limit, fire resistance can be easily ensured.

[0035] The tape-shaped second fire-resistant material 5B may be composed of a single fire-resistant layer, or may have both a fire-resistant layer and a non-combustible material layer. Also, it may have layers other than the fire-resistant layer and the non-combustible material layer, such as a substrate and an adhesive layer.

[0036] The tape-shaped second fire-resistant material 5B may have an adhesive fire-resistant material layer or an adhesive layer. The adhesive fire-resistant material layer and the adhesive layer may form the outermost surface of the tape-shaped second fire-resistant material 5B. With the above-described configuration, the tape-shaped second fire-resistant material 5B can be fixed to the side panel 31 without using a fixing member separate from the tape-shaped second fire-resistant material 5B. Furthermore, by imparting adhesiveness to the fire-resistant material layer itself, it is not necessary to provide an adhesive layer, which further simplifies the configuration of the tape-shaped second fire-resistant material 5B. When the tape-shaped second fire-resistant material 5B has an adhesive fire-resistant material layer or an adhesive layer on its outermost surface, a release sheet may be attached to the outermost surface. The release sheet may be peeled off from the outermost surface when the second fire-resistant material 5B is used. The details of the non-combustible material layer, base material, adhesive layer, fire-resistant material layer, thickness, layer structure, etc. used in the tape-shaped second fire-resistant material 5B as the fire-resistant material 6 are the same as those of the second fire-resistant material 5A, and therefore will not be described again.

[0037] The area occupied by the tape-like second fire-resistant material 5B on the back panel 30 and side panel 31 of the box-shaped member 3 is preferably 20% or more, more preferably 30% or more, and even more preferably 40% or more of the total surface area of ​​the back panel 30 and side panel 31 inside the box-shaped member 3. When the area occupied by the tape-like second fire-resistant material 5B on the back panel 30 and side panel 31 is equal to or greater than the above-mentioned lower limit, the fire resistance of the fire-resistant treated structure can be improved. Furthermore, the area occupied by the tape-like second fire-resistant material 5B on the back panel 30 and side panel 31 may be 100% of the total surface area of ​​the back panel 30 and side panel 31, but is preferably 95% or less, more preferably 85% or less, and even more preferably 75% or less. By ensuring that the area occupied by the tape-shaped second fire-resistant material 5B on the back panel 30 and the side panel 31 is equal to or less than the above upper limit, excessive installation of the tape-shaped second fire-resistant material 5B can be prevented, thereby reducing costs.

[0038] The amorphous second fire-resistant material 5B is disposed in the space inside the box-shaped member 3, and fills at least a part of the space inside the box-shaped member 3. Examples of the amorphous second fire-resistant material 5B include putty, rock wool, glass wool, cellulose fiber, insulation board, gypsum board and board scraps, extruded polystyrene foam, phenolic foam, rigid urethane foam, and non-flammable urethane foam. To improve the handleability of the amorphous second fire-resistant material 5B, the amorphous second fire-resistant material 5B may be covered with an exterior material. The exterior material may be any material capable of enclosing the amorphous second fire-resistant material 5B and maintaining the shape of the amorphous second fire-resistant material 5B. Examples of the exterior material include metal and resin materials. From the perspective of flexibility and handleability, a resin film such as a polyolefin resin is preferred. Alternatively, the exterior material may be a bag, with the amorphous second fire-resistant material 5B placed inside the bag.

[0039] The amorphous second fire-resistant material 5B is preferably a thermally expandable material that expands when heated. The thermally expandable material prevents the spread of fire by expanding in the event of a fire. The thermally expandable material is preferably formed from a thermally expandable resin composition, as described below. In order to make the thermally expandable resin composition into an amorphous putty, the type and amount of resin, the amount of thermally expandable graphite, and the type and amount of inorganic filler may be appropriately adjusted.

[0040] (Thermal Expandable Resin Composition) The following provides a detailed description of the fire-resistant material used in the box-shaped member 3, the second fire-resistant material 5 (5A, 5B), and the thermally expandable resin composition used in the first fire-resistant material 1 described below. The thermally expandable resin composition contains a resin component and a thermally expandable material. By forming the thermally expandable member from a thermally expandable resin composition containing a resin component, the box-shaped member 3 and the second fire-resistant material 5 can be easily bent or deformed. Examples of thermally expandable materials include foaming agents that expand upon heating, thermally expandable layered inorganic materials such as vermiculite and thermally expandable graphite, with thermally expandable graphite being preferred. The use of thermally expandable graphite allows for appropriate expansion by the heat of a fire, and the mechanical strength of the expansion residue after expansion is excellent, making it easier to improve fire resistance. The thermally expandable material referred to here does not substantially expand upon molding, etc., as described below, and the thermally expandable resin composition maintains its thermal expandability in the fire-resistant material.

[0041] The expansion start temperature of the thermally expandable material is not particularly limited, but is preferably 150 to 350°C, more preferably 170 to 300°C, and even more preferably 180 to 280°C. By setting the temperature at or below these lower limits, the thermally expandable material is prevented from accidentally expanding due to heating other than that caused by a fire. Furthermore, by setting the temperature at or below the upper limits, the thermally expandable material is more likely to expand reliably due to heating caused by a fire. The expansion starting temperature of a thermally expandable material can be measured by heating a predetermined amount (e.g., 100 mg) of the material at a constant heating rate (e.g., 10°C / min) and measuring the temperature at which the normal force rises. Any measuring device can be used as long as it is capable of controlling the measurement temperature and measuring the normal stress, and a rheometer, for example, can be used. The expansion ratio of the thermally expandable member is preferably 3 times or more, and more preferably 10 times or more. The upper limit of the expansion ratio is not particularly limited, but is, for example, 70 times, and preferably 50 times. The expansion ratio can be calculated by supplying the thermally expandable member to an electric furnace, heating it at 600°C for 30 minutes, measuring the thickness of the test piece, and then calculating the thickness by dividing the thickness of the test piece after heating by the thickness of the test piece before heating.

[0042] The thermally expandable resin composition in which the thermally expandable material is thermally expandable graphite will be described in detail below. Examples of the resin component of the thermally expandable resin composition include thermoplastic resins, thermosetting resins, and elastomers. However, when at least a part of the box-shaped member 3 is made of a fire-resistant material, it is preferable that the resin used in the thermally expandable resin composition that forms the box-shaped member 3 be selected from those listed as resins that can be used for the box-shaped member 3.

[0043] Examples of thermoplastic resins include polyvinyl chloride (PVC), chlorinated polyvinyl chloride resin (CPVC), fluororesin, polyphenylene ether, modified polyphenylene ether, polyphenylene sulfide, polycarbonate, polyetherimide, polyetheretherketone, polyarylate, polyamide, polyamideimide, polybutadiene, polyimide, acrylic resin, polyacetal, polyamide, polyolefins such as polyethylene (PE) and polypropylene (PP), polyesters such as ethylene vinyl acetate copolymer resin (EVA), ethylene-propylene-diene copolymer (EPDM), chloroprene (CR), polyethylene terephthalate, and polybutylene terephthalate, polycarbonate, polystyrene (PS), polyphenylene sulfide, acrylonitrile-butadiene-styrene copolymer (ABS), acrylonitrile-styrene-acrylonitrile copolymer (ASA), and acrylonitrile / ethylene-propylene-diene / styrene copolymer (AES). Polyvinyl chloride is preferred as the thermoplastic resin.

[0044] Examples of thermosetting resins include epoxy resins, phenolic resins, melamine resins, urea resins, unsaturated polyester resins, alkyd resins, polyurethanes, and thermosetting polyimides, with epoxy resins being preferred.

[0045] Examples of elastomers include natural rubber, silicone rubber, styrene-butadiene rubber, isoprene rubber, butadiene rubber, chloroprene rubber, acrylonitrile-butadiene rubber, nitrile-butadiene rubber, butyl rubber, ethylene-propylene rubber, ethylene-propylene-diene rubber, urethane rubber, silicone rubber, and fluororubber. Other examples include thermoplastic elastomers such as olefin-based thermoplastic elastomers (TPO), styrene-based thermoplastic elastomers (TPS), ester-based thermoplastic elastomers, amide-based thermoplastic elastomers, and vinyl chloride-based thermoplastic elastomers. Butyl rubber is preferred as the elastomer. The resin component of the thermally expandable resin composition may be one type or a combination of two or more types.

[0046] Furthermore, the thermally expandable resin composition is more likely to have adhesiveness when an elastomer is used as a resin component. To facilitate the development of adhesiveness, the elastomer preferably contains a liquid elastomer. The liquid elastomer is an elastomer that is liquid at room temperature and normal pressure.

[0047] The thermally expandable resin composition may contain a plasticizer. A plasticizer is preferably used when the resin component is a thermoplastic resin such as polyvinyl chloride resin. Specific examples of the plasticizer include phthalate ester plasticizers such as di-2-ethylhexyl phthalate (DOP), dibutyl phthalate (DBP), diheptyl phthalate (DHP), and diisodecyl phthalate (DIDP); adipic acid esters such as di-2-ethylhexyl adipate (DOA), diisobutyl adipate (DIBA), and dibutyl adipate (DBA), and fatty acid ester plasticizers such as adipic acid polyester; epoxidized ester plasticizers such as epoxidized soybean oil; trimellitic acid ester plasticizers such as tri-2-ethylhexyl trimellitate (TO™) and triisononyl trimellitate (TINT™); phosphate ester plasticizers such as trimethyl phosphate (TMP) and triethyl phosphate (TEP); and process oils such as mineral oil. One or more plasticizers can be used. When the thermally expandable resin composition contains a plasticizer, the content of the plasticizer in the thermally expandable resin composition is, for example, in the range of 0.3 parts by mass to 150 parts by mass, and preferably in the range of 10 parts by mass to 100 parts by mass, relative to 100 parts by mass of the resin component. When the plasticizer content is equal to or greater than these lower limits, good moldability is likely to be achieved, and when it is equal to or less than these upper limits, the molded article is provided with appropriate strength.

[0048] The total content of the resin component and the plasticizer is preferably 10% by mass or more and 90% by mass or less, more preferably 25% by mass or more and 80% by mass or less, and even more preferably 40% by mass or more and 70% by mass or less, based on the total amount of the resin composition. By setting the content at or above these lower limits, the moldability of the thermally expandable member can be improved. In addition, flexibility is ensured, making it easy to bend and deform. In addition, by setting the content at or below the upper limits, it becomes possible to blend sufficient amounts of components such as thermally expandable graphite and inorganic filler. The total content of the resin component and the plasticizer means the total content of both the resin component and the plasticizer when both are contained, and means the content of the resin component alone when no plasticizer is contained.

[0049] Thermally expandable graphite is a conventionally known substance, and is produced by treating powder of natural flake graphite, pyrolytic graphite, kish graphite, or the like with an inorganic acid such as concentrated sulfuric acid, nitric acid, or selenic acid, and a strong oxidizing agent such as concentrated nitric acid, perchloric acid, perchlorates, permanganates, dichromates, or hydrogen peroxide to produce a graphite intercalation compound. The produced thermally expandable graphite is a crystalline compound that maintains the layered structure of carbon. The thermally expandable graphite used in the present invention may be thermally expandable graphite obtained by acid treatment and neutralizing it with ammonia, aliphatic lower amines, alkali metal compounds, alkaline earth metal compounds, or the like. Examples of the aliphatic lower amine include monomethylamine, dimethylamine, trimethylamine, ethylamine, propylamine, and butylamine. Examples of the alkali metal compounds and alkaline earth metal compounds include hydroxides, oxides, carbonates, sulfates, and organic acid salts of potassium, sodium, calcium, barium, magnesium, and the like.

[0050] The particle size of the thermally expandable graphite is not particularly limited, but is preferably in the range of 20 to 200 mesh. If the particle size is equal to or greater than the lower limit, the degree of expansion of the graphite tends to increase, resulting in good expandability. On the other hand, if the particle size is equal to or less than the upper limit, good dispersibility when kneaded with a resin is achieved, improving moldability.

[0051] The content of thermally expandable graphite in the thermally expandable resin composition is, for example, 3 parts by mass or more and 300 parts by mass or less, relative to 100 parts by mass of the resin component. When the content of thermally expandable graphite is 3 parts by mass or more, the thermal expandability is good. Furthermore, when the content is 300 parts by mass or less, the moldability is good, and the surface properties, mechanical properties, flexibility, etc. of the sealing member are also good. Furthermore, by selecting the content of thermally expandable graphite within the above range, the expansion ratio can be easily adjusted within a desired range. From these viewpoints, the content of thermally expandable graphite is preferably in the range of 10 parts by mass or more and 200 parts by mass or less, more preferably in the range of 15 parts by mass or more and 100 parts by mass or less.

[0052] The thermally expandable resin composition may further contain an inorganic filler. There are no particular limitations on the inorganic filler, as long as it is an inorganic filler that is generally used in thermally expandable resin compositions. Specific examples include silica, diatomaceous earth, alumina, zinc oxide, titanium oxide, calcium oxide, magnesium oxide, iron oxide, tin oxide, antimony oxide, ferrites, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, basic magnesium carbonate, calcium carbonate, magnesium carbonate, zinc carbonate, barium carbonate, dawnnite, hydrotalcite, calcium sulfate, barium sulfate, gypsum fiber, calcium silicate, talc, clay, mycelium, montmorillonite, bentonite, activated clay, seviolite, imogolite, sericite, glass fiber, glass beads, silica balloon, aluminum nitride, aluminum phosphite, boron nitride, silicon nitride, carbon black, graphite, carbon fiber, carbon balloon, charcoal powder, various metal powders, potassium titanate, magnesium sulfate, lead zirconium titanate, aluminum borate, molybdenum sulfide, silicon carbide, stainless steel fiber, zinc borate, various magnetic powders, slag fiber, fly ash, and dewatered sludge. The inorganic filler may be used alone or in combination of two or more. When an inorganic filler is contained, the content of the inorganic filler in the thermally expandable resin composition is preferably in the range of 3 parts by mass or more and 200 parts by mass or less, and more preferably in the range of 10 parts by mass or more and 150 parts by mass or less, per 100 parts by mass of the resin component.

[0053] The thermally expandable resin composition may contain a known tackifier, which makes it easier to impart tackiness to the thermally expandable member. Furthermore, the thermally expandable resin composition used in the present invention may contain additives commonly used in thermally expandable resin compositions, such as heat stabilizers, lubricants, processing aids, antioxidants, antistatic agents, pigments, crosslinking agents, crosslinking accelerators, etc., as needed, within the range that does not impair the physical properties of the composition. Among these, it is preferable to use processing aids.

[0054] The thermally expandable member can be manufactured, for example, as follows: First, predetermined amounts of resin components, a thermally expandable material, and other additives, if necessary, are mixed in a mixer such as a kneading roll to obtain a thermally expandable resin composition. The thermally expandable resin composition may be diluted by adding a solvent as appropriate. The thermally expandable resin composition, diluted as necessary, is applied to a support such as a substrate or a release sheet, and then appropriately dried, cured, etc., to form a fire-resistant material layer (thermally expandable member) on one side of the support. Alternatively, the fire-resistant material layer may be formed on one side of the support by a known method such as extrusion molding. The fire-resistant material layer formed on the release sheet may be peeled from the release sheet to form a sheet-like member consisting of a single fire-resistant material layer. After peeling from the release sheet, the sheet-like member may be laminated on another layer to obtain a multilayered sheet-like member. Alternatively, the composition may be laminated on another layer while still laminated on the release sheet or another support.

[0055] The second fire-resistant materials 5A and 5B may be the same or different types, and it is preferable that they be different types. By using different types of second fire-resistant materials 5A and 5B, the second fire-resistant materials 5A and 5B have different functions, and each contributes to improving the fire resistance of the fire-resistant structure. For example, since the second fire-resistant material 5A is disposed on the outer periphery of the side panel 31 of the box-shaped member 3, it is preferable that the resin component of the second fire-resistant material 5A be a thermoplastic resin or elastomer so that it has high conformability to the shape of the outer periphery. Among these, polyvinyl chloride (PVC), butyl rubber, polyethylene, polypropylene, polystyrene, polyvinyl acetate, polyurethane, Teflon (registered trademark), ABS resin, AS resin, acrylic resin, chloroprene, etc. are preferred. Furthermore, the second fire-resistant material 5B is placed inside the box-shaped member 3, and since it achieves fire resistance by filling the internal space, it is preferable that it contains a thermosetting resin as a resin component that allows it to contain a large amount of thermally expandable material so that it has high expandability.In particular, it is preferable to use epoxy resin, phenol resin, unsaturated polyester resin, urea resin, melamine resin, diallyl dylate resin, silicone resin, vinyl ester resin, etc.

[0056] The second fire-resistant material 5B is disposed inside the box-shaped member 3 and fills the internal space to provide fire resistance. Therefore, it is preferable that the expansion ratio of the second fire-resistant material 5B is higher than that of the second fire-resistant material 5A. Specifically, the expansion ratio of the second fire-resistant material 5B is preferably 10 to 70 times, and more preferably 20 to 50 times. The expansion ratio of the second fire-resistant material 5A is preferably 3 to 50 times, and more preferably 7 to 30 times. Furthermore, the ratio of the expansion ratio of the second fire-resistant material 5B to the expansion ratio of the second fire-resistant material 5A is preferably 1.1 to 30, and more preferably 2 to 20.

[0057] 1 to 6 show an embodiment in which both the second fire-resistant material 5A and the second fire-resistant material 5B are provided, but in the present invention, it is sufficient to provide either one of them. However, from the viewpoint of improving the fire resistance of the compartment penetration structure 10A, it is preferable to provide both the second fire-resistant material 5A and the second fire-resistant material 5B. Furthermore, when at least a part of the box-shaped member 3 is made of a fire-resistant material, either one of the second fire-resistant material 5A and the second fire-resistant material 5B may be provided, or both may be provided, or neither may be provided. Furthermore, when at least a part of the box-shaped member 3 is made of a fire-resistant material, it is preferable that the second fire-resistant material 5A is further provided.

[0058] (Compartment penetration processing structure 10B) The components constituting the compartment penetration structure 10B in the fire-resistant structure according to the first embodiment will be described below. In this specification, the components for forming the compartment penetration structure 10B (in this embodiment, the tape-shaped component 1A, the sheet-shaped component 1B, and the fixing components for fixing these components, etc.) may be collectively referred to as the first fire-resistant material 1. As shown in FIG. 7, the first fireproofing material 1 for fireproofing the compartment penetration structure 10B in the fireproofing structure according to the first embodiment includes a tape-shaped member 1A and a sheet-shaped member 1B.

[0059] [Tape-shaped member] The tape-shaped member 1A is a member that fills at least a portion of the gap between the second opening 15B and the inserting body 21 (21A, 21B). As shown in FIG. 8, the tape-shaped member 1A is installed so that at least a portion of it is present inside the partitioning section 11, and is arranged from the exterior to the interior of the partitioning section 11. In this embodiment, the tape-shaped member 1A is installed so that at least a portion of it is in contact with the outer periphery of the inserting body 21. From the viewpoint of maintaining the installed position well, it is preferable to install it by wrapping it around the outer periphery of the inserting body 21 one or more times. Here, in this embodiment, as long as the tape-shaped member 1A is positioned to fill the second opening 15B and the gap 13E between the base material 12A of the partitioning section 11 and the inserting body 21, another member may be present between the tape-shaped member 1A and the second opening 15B. The tape-shaped member 1A may fill a portion of the gap 13E, and another member may fill the remainder of the gap 13E.

[0060] In this embodiment, the tape-shaped member 1A may have at least one layer selected from the group consisting of a base material, an adhesive layer, a cushion layer, and a fire-resistant layer. The tape-shaped member 1A is not particularly limited as long as it has a layer containing at least one of a fire-resistant material and a non-combustible material, and it is sufficient that at least one layer contains at least one of a fire-resistant material and a non-combustible material. However, non-combustible materials that preferably contain a fire-resistant material are those specified in the Building Standards Act and the Enforcement Order of the Building Standards Act. The thickness of the tape-shaped member 1A is not particularly limited, but is, for example, 0.1 to 10 mm, and preferably 0.5 to 5 mm.

[0061] The substrate used in the tape-shaped member 1A imparts rigidity to the tape-shaped member 1A, improving the ease of handling of the tape-shaped member 1A and the ability to maintain its installed position. When the tape-shaped member 1A has a substrate and a fire-resistant material layer (expanding material), the substrate can suppress the expansion of the fire-resistant material layer and control the shape of the expanded fire-resistant material layer. Examples of substrates include metal foils such as aluminum foil and copper foil, glass cloth, metal foil composites such as composites of metal foil and glass cloth such as aluminum-glass cloth, paper, cloth, and resin films. Among these, from the viewpoint of fire resistance, it is preferable that the substrate is made of a non-combustible material, and preferred specific examples include metal foil and metal foil composites. The thickness of the substrate is not particularly limited, but is, for example, 0.01 to 1 mm, preferably 0.05 to 0.5 mm. When the thickness of the substrate is within the above range, it is possible to impart appropriate flexibility and rigidity to the tape-shaped member 1A.

[0062] The adhesive layer used in the tape-shaped member 1A, when arranged as the outermost layer, functions to adhere the tape-shaped member 1A itself to other members (such as the insert 21), and when arranged as an inner layer, it functions to bond adjacent layers to each other. The adhesive layer is preferably formed from an adhesive, and examples of the adhesive that can be used include acrylic adhesives, urethane adhesives, rubber adhesives, and silicone resin adhesives. The adhesive layer may be non-flammable, semi-non-flammable, or flame-retardant, and a flame retardant or the like may be blended into the adhesive used. The thickness of the adhesive layer is, for example, 5 to 400 μm, and preferably 10 to 150 μm. When the thickness of the adhesive layer is within the above range, it is possible to impart appropriate adhesiveness.

[0063] The cushion layer used in the tape-shaped member 1A imparts flexibility to the tape-shaped member 1A and improves its ability to conform to the irregularities of the member on which the tape-shaped member 1A is placed. The cushion layer is preferably a foam, and in particular, a flame-retardant foam. Examples of foams include urethane foam, phenol foam, styrene foam, PVC foam, polyethylene foam, cross-linked polyethylene foam, polypropylene foam, and other polyolefin foams, as well as synthetic rubber, with urethane foam being preferred. Flame-retardant foams are those foams to which a flame retardant has been added. The thickness of the cushion layer is, for example, 0.01 to 20 mm, preferably 0.05 to 10 mm. When the thickness of the cushion layer is within the above range, it is possible to impart appropriate conformability.

[0064] The fire-resistant material layer used in the tape-shaped member 1A is a thermally expandable member that expands when heated. The thermally expandable member prevents the spread of fire by expanding in the event of a fire. The thermally expandable member is preferably formed from a thermally expandable resin composition, as described below. The thickness of the fire-resistant material layer is not particularly limited, but is, for example, 0.1 to 15 mm, preferably 0.5 to 8 mm. When the fire-resistant material layer has a thickness equal to or less than these upper limits, flexibility is imparted to the tape-shaped member 1A. When the fire-resistant material layer has a thickness equal to or greater than these lower limits, fire resistance is more easily ensured.

[0065] In this embodiment, the tape-shaped member 1A may be a single layer, but preferably is a multi-layer member. When the tape-shaped member 1A is a multi-layer member, it is preferable that the tape-shaped member 1A has at least two layers selected from the group consisting of a substrate, an adhesive layer, a cushion layer, and a fire-resistant material layer. The two-layer structure of the tape-shaped member 1A provides multiple functions and makes it suitable for fire-resistant structures for compartment penetrations under various conditions. Specifically, the tape-shaped member 1A has a substrate and a fire-resistant material layer. When the tape-shaped member 1A is heated, the fire-resistant material layer is properly supported by the substrate, allowing heat to be evenly distributed. This allows the fire-resistant material layer to expand approximately uniformly, resulting in good fire resistance. Furthermore, the approximately uniform expansion of the fire-resistant material layer of the tape-shaped member 1A allows it to maintain its proper position and not shift, thereby providing stable fire resistance.

[0066] The tape-shaped member 1A preferably has an adhesive fireproof layer as its outermost layer, or an adhesive layer as its outermost layer. With the above-described configuration, the tape-shaped member 1A may be arranged in contact with the outer periphery of the inserter 21 via an adhesive fireproof layer or adhesive layer arranged on the inner side (i.e., on the inserter 21 side). With the above-described configuration, the tape-shaped member 1A can be fixed to the inserter 21 without using a fixing member separate from the tape-shaped member 1A. Furthermore, by making the fireproof layer itself adhesive, an adhesive layer is not required, further simplifying the configuration of the tape-shaped member 1A. When the tape-shaped member 1A has an adhesive fireproof layer or adhesive layer as its outermost layer, a release sheet may be attached to the outermost layer. The release sheet is preferably peeled off from the outermost layer during use. The fire-resistant layer can be made adhesive by forming it from butyl rubber or the like.

[0067] When the tape-shaped member 1A has a cushion layer, it is preferable that the cushion layer be configured as the outermost layer on the side of the inserting body 21. This allows the tape-shaped member 1A to follow the circumference of the inserting body 21 with no or little gap. Furthermore, when the tape-shaped member 1A has a cushion layer and an adhesive layer, it is preferable that the cushion layer and the adhesive layer are arranged in this order, with the adhesive layer being the outermost layer on the side of the insert 21. With this configuration, the tape-shaped member 1A follows the irregularities on the outer periphery of the insert 21, improving the adhesion between the tape-shaped member 1A and the insert 21 and further improving the fire resistance. However, the cushion layer does not have to be provided as the outermost layer, and even in that case, the cushion layer can urge the tape-shaped member 1A against the insert 21 to ensure a certain degree of adhesion.

[0068] When the tape-shaped member 1A has a single layer structure, it is preferably a substrate or a fire-resistant material layer, and is preferably made of a fire-resistant material layer. When the tape-shaped member 1A has a multi-layer structure, it may have a two-layer structure, or a three-layer or more layer structure. Examples of two-layer structures include substrate / adhesive layer, substrate / cushion layer, substrate / fire-resistant material layer, fire-resistant material layer / substrate, fire-resistant material layer / adhesive layer, and fire-resistant material layer / cushion layer. Furthermore, the three-layer structure has an adhesive layer as the outermost layer, and examples thereof include structures such as substrate / cushion layer / adhesive layer, substrate / fireresistant material layer / adhesive layer, fireresistant material layer / substrate / adhesive layer, fireresistant material layer / cushion layer / adhesive layer, adhesive layer / substrate / adhesive layer, and adhesive layer / fireresistant material layer / adhesive layer. Furthermore, the three-layer structure has a cushion layer as the outermost layer, and examples thereof include structures such as fireresistant material layer / substrate / cushion layer and substrate / fireresistant material layer / cushion layer. Further examples thereof include laminated structures such as substrate / fireresistant material layer / substrate and fireresistant material layer / substrate / fireresistant material layer. Examples of structures with four or more layers include a three-layer structure further having an adhesive layer or cushion layer provided as the outermost layer. Representative examples include substrate / fireresistant material layer / substrate / adhesive layer, fireresistant material layer / substrate / fireresistant material layer / adhesive layer, substrate / fireresistant material layer / cushion layer / adhesive layer, fireresistant material layer / substrate / fireresistant material layer / adhesive layer, fireresistant material layer / substrate / cushion layer / adhesive layer, fireresistant material layer / substrate / cushion layer / adhesive layer, fireresistant material layer / substrate / adhesive layer / cushion ...adhesive layer / cushion layer, fireresistant material layer / substrate / adhesive layer / cushion layer, fireresistant material layer / substrate / adhesive layer / cushion layer, and substrate / adhesive layer / substrate. material / fireproof material layer / adhesive layer / cushion layer, substrate / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / fireproof material layer / substrate / substrate / adhesive layer / cushion layer, substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / adhesive layer / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / adhesive layer / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / fireproof material layer / substrate ..., cushion layer / adhesive layer / substrate / fireproof material layer / substrate Cushion layer / adhesive layer / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer, cushion layer / adhesive layer / substrate / substrate / fire-resistant material layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / cushion layer ... / fireproof material layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / substrate / fireproof material layer / adhesive layer / cushion layer, cushion layer / adhesive layer / fireproof material layer / substrate / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / fireproof material layer / substrate / adhesive layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fireproof material layer / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / substrate / fireproof material layer / substrate ...fireproof material layer / substrate / adhesive layer / cushion layer,Examples include cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / cushion layer, etc. In each of the above-mentioned laminated structures, the left side is the side opposite to the insert, and the right side is the insert side. Also, the outermost layer means the outermost layer on the insert side. In a tape-shaped member 1A having a multi-layer structure, adjacent layers may be bonded together using a known adhesive, and therefore, in each of the above-mentioned laminated structures, an adhesive layer may be provided between each layer as appropriate. Furthermore, in a tape-shaped member 1A having a multi-layer structure, the layers may be bonded together using an adhesive layer. Furthermore, the tape-shaped member 1A may have two or more consecutive layers of the same type laminated together, and two consecutive layers of the same type laminated together may be conveniently referred to as a single layer in each of the above-mentioned laminated structures. For example, in each of the above-mentioned laminated structures, two consecutive layers of different compositions may be referred to as a single fire-resistant layer. In the multi-layer structure, the tape-shaped member 1A may have the same layer structure throughout, or may have a partially different structure. For example, the layer structure between the substrate and the fire-resistant material layer may be partially changed.

[0069] The tape-shaped member 1A can be fixed to the inserting body 21 by fixing members such as tackers and screws, which are separate members from the tape-shaped member 1A. These fixing members are preferably inserted and installed from the outside of the tape-shaped member 1A (i.e., the side opposite to the inserting body 21). Of course, the tape-shaped member 1A may be fixed to the inserting member 21 by a combination of two or more of these fastening materials.

[0070] [Sheet-like member] The sheet-shaped member 1B is a member that closes at least a part of the gap between the second opening 15B and the inserting body 21. As shown in FIG. 7, the sheet-shaped member 1B has slits 130 through which the inserting body 21 is inserted, and at least one of the slits 130 extends to the outer edge of the sheet-shaped member 1B. The slits 130 are formed by cutting. The inserting body 21 can be inserted into the sheet-shaped member 1B through the slits 130 that extend to the outer edge of the sheet-shaped member 1B. The sheet-shaped member 1B has segments 131 formed by incisions, one end of each segment 131 being a free end. Specifically, the sheet-shaped member 1B preferably has a plurality of segments 131 in which a plurality of slits 130 (four slits 130 in FIG. 7) formed by incisions intersect at a single point in the center of the sheet-shaped member 1B, with the center of the sheet-shaped member 1B being the free end. With this configuration, when an inserter 21 having a tape-shaped member 1A attached on its outer periphery is inserted through the center of the sheet-shaped member 1B, each segment 131 is easily positioned along the tape-shaped member 1A attached on the outer periphery of the inserter 21, making it possible to efficiently close the gap 13E inside the second opening 15B. However, the slit 130 may have a form including a hole through which the inserting body 21 is inserted and the slit 130 extending from the hole to the outer edge of the sheet-shaped member 1B. The pieces 131 are arranged along the tape-shaped member 1A that is installed on the outer periphery of the insert 21 that passes through the inside of the sheet-shaped member 1B. With this configuration, the fire resistance of the sheet-shaped member 1B can be easily improved.

[0071] 8, the sheet-shaped member 1B is arranged on the outer surface 11A from the outside of the core material 12A, except for the segment 131. The sheet-shaped member 1B closes at least a part of the gap 13E between the second opening 15B and the insert 21 with the segment 131 arranged along the tape-shaped member 1A that is installed on the outer periphery of the insert 21. However, the sheet-shaped member 1B may close at least a part of the gap 13E between the second opening 15B and the insert 21 with the segment 131 and a part other than the segment 131. The sheet-shaped member 1B is in contact with the outer surface 11A of the partition 11 at locations other than the segments 131. In this embodiment, the segments 131 are arranged so as to be in contact with the tape-shaped member 1A that is placed on the outer periphery of the insert 21. By arranging the sheet-shaped member 1B so that the segments 131 and the segments 131 are in contact with both the tape-shaped member 1A that is placed on the outer periphery of the insert 21 and the base material 12A, fire resistance can be improved.

[0072] In this embodiment, the sheet-like member 1B may have at least one layer selected from the group consisting of a substrate, an adhesive layer, a cushion layer, and a fire-resistant layer. The sheet-like member 1B is not particularly limited as long as it has a layer containing at least one of a fire-resistant material and a non-combustible material, but it is sufficient that at least one layer contains at least one of a fire-resistant material and a non-combustible material. The non-combustible material is defined in the Building Standards Act and the Enforcement Order of the Building Standards Act. The thickness of the sheet-like member 1B is not particularly limited, but is, for example, 0.1 to 20 mm, and preferably 0.5 to 10 mm. Furthermore, at least one of the tape-shaped member 1A and the sheet-shaped member 1B may have a layer containing at least one of a fire-resistant material and a non-combustible material, but from the viewpoint of ensuring fire resistance, it is preferable that at least one of the sheet-shaped member 1B and the tape-shaped member 1A has a fire-resistant material layer, and it is more preferable that both have a fire-resistant material layer.

[0073] The substrate used in the sheet-like member 1B imparts rigidity to the sheet-like member 1B, improving the ease of handling of the sheet-like member 1B and the ability to maintain its installation position. When the sheet-like member 1B has a substrate and a fire-resistant material layer, the substrate can suppress the expansion of the fire-resistant material layer and control the shape of the expanded fire-resistant material layer. Examples of the substrate include metal foils such as aluminum foil and copper foil, metal foil composites such as glass cloth and composites of metal foil and glass cloth such as aluminum-glass cloth, paper, cloth, and resin films. Among these, from the viewpoint of fire resistance, it is preferable that the substrate be made of a non-combustible material, and preferred specific examples include metal foils and metal foil composites. The thickness of the substrate is not particularly limited, but is, for example, 0.01 to 1 mm, and preferably 0.05 to 0.5 mm. When the thickness of the substrate is within the above range, the sheet-like member 1B can be imparted with appropriate flexibility and rigidity.

[0074] The adhesive layer used in the sheet-like member 1B, when arranged as the outermost layer, functions to adhere the sheet-like member 1B itself to other members (e.g., the tape-like member 1A or the outer surface 11A of the base material 12A), and when arranged as an inner layer, it functions to bond adjacent layers to each other. The adhesive layer is preferably formed from an adhesive, and examples of the adhesive that can be used include acrylic adhesives, urethane adhesives, rubber adhesives, and silicone resin adhesives. The adhesive layer may be non-flammable, semi-non-flammable, or flame-retardant, and a flame retardant or the like may be blended into the adhesive used. The thickness of the adhesive layer is, for example, 5 to 400 μm, and preferably 10 to 150 μm. When the thickness of the adhesive layer is within the above range, it is possible to impart appropriate adhesiveness.

[0075] The cushion layer used in the sheet-like member 1B imparts flexibility to the sheet-like member 1B and improves its ability to conform to the irregularities of the member on which the sheet-like member 1B is placed. The cushion layer is preferably a foam, and in particular, a flame-retardant foam. Examples of foams include urethane foam, phenol foam, styrene foam, PVC foam, polyethylene foam, cross-linked polyethylene foam, polypropylene foam, and other polyolefin foams, as well as synthetic rubber, with urethane foam being preferred. Flame-retardant foams are those foams to which a flame retardant has been added. The thickness of the cushion layer is, for example, 0.01 to 20 mm, preferably 0.05 to 10 mm. When the thickness of the cushion layer is within the above range, it is possible to impart appropriate conformability.

[0076] The fire-resistant material layer used in the sheet-shaped member 1B is a thermally expandable member that expands when heated. The thermally expandable member prevents the spread of fire by expanding in the event of a fire. The thermally expandable member is preferably formed from a thermally expandable resin composition, as described below. The thickness of the fire-resistant material layer is not particularly limited, but is, for example, 0.1 to 15 mm, preferably 0.5 to 8 mm. When the fire-resistant material layer has a thickness equal to or less than these upper limits, flexibility is imparted to the sheet-shaped member 1B. When the fire-resistant material layer has a thickness equal to or greater than the lower limits, fire resistance is more easily ensured.

[0077] In this embodiment, the sheet-like member 1B may be a single layer, but preferably is a multi-layer structure. When the sheet-like member 1B is a multi-layer structure, it is preferable that the sheet-like member 1B has at least two layers selected from the group consisting of a base material, an adhesive layer, a cushioning layer, and a fire-resistant material layer. Having two layers provides the sheet-like member 1B with multiple functions, making it suitable for fire-resistant structures for compartment penetrations under various conditions. Specifically, the sheet-like member 1B has a base material and a fire-resistant material layer. When the sheet-like member 1B is heated, the fire-resistant material layer is properly supported by the base material, allowing heat to be evenly distributed. This allows the fire-resistant material layer to expand approximately uniformly, resulting in good fire resistance. Furthermore, the approximately uniform expansion of the fire-resistant material layer of the sheet-like member 1B allows the sheet-like member 1B to maintain its proper position and not shift, thereby providing stable fire resistance. Furthermore, when sheet-shaped member 1B has multiple fire-resistant layers, the fire-resistant layer on the expanded base material 12A side is more likely to be embedded in gap 13E, for example, preventing sheet-shaped member 1B from separating from base material 12A as it expands, making it less likely to shift from its appropriate installed position. On the other hand, the fire-resistant layer located away from base material 12A expands evenly because heat is more easily distributed evenly, and the expansion residue can appropriately prevent the spread of fire.

[0078] The sheet-shaped member 1B preferably has an adhesive fireproof layer or an adhesive layer as its outermost layer. With this configuration, the sheet-shaped member 1B may be arranged in contact with the outer surface 11A of the base material 12A via an adhesive fireproof layer or adhesive layer arranged on the inner side (i.e., the base material 12A side). This configuration allows the sheet-shaped member 1B to be fixed to the base material 12A without using a fixing member separate from the sheet-shaped member 1B. Furthermore, by making the fireproof layer itself adhesive, an adhesive layer is not required, further simplifying the configuration of the sheet-shaped member 1B. When the sheet-shaped member 1B has an adhesive fireproof layer or adhesive layer as its outermost layer, a release sheet may be attached to the outermost layer. The release sheet is preferably peeled off from the outermost layer during use. The fire-resistant layer can be made adhesive by forming it from butyl rubber or the like.

[0079] When the sheet-like member 1B has a cushion layer, it is preferable that the cushion layer be configured as the outermost layer on the partition side. Also, when the sheet-like member 1B has a cushion layer and an adhesive layer, it is preferable that the cushion layer and the adhesive layer are arranged in this order, with the adhesive layer being configured as the outermost layer on the partition side. With this configuration, the sheet-like member 1B conforms to the unevenness of the partition 11, improving the adhesion between the sheet-like member 1B and the base material 12A and further improving the fire resistance. However, the cushion layer does not have to be provided as the outermost layer, and even in that case, the cushion layer can urge the sheet-like member 1B against the partition portion to ensure a certain degree of adhesion.

[0080] When the sheet-like member 1B has a single layer structure, it is preferably a substrate or a fire-resistant material layer. When the sheet-like member 1B has a multi-layer structure, it may have a two-layer structure, or a three-layer or more layer structure. Examples of two-layer structures include substrate / adhesive layer, substrate / cushion layer, substrate / fire-resistant material layer, fire-resistant material layer / substrate, fire-resistant material layer / adhesive layer, and fire-resistant material layer / cushion layer. Furthermore, examples of three-layer structures having an adhesive layer as the outermost layer include structures such as substrate / cushion layer / adhesive layer, substrate / fireproof material layer / adhesive layer, fireproof material layer / substrate / adhesive layer, and fireproof material layer / cushion layer / adhesive layer. Examples of three-layer structures having a cushion layer as the outermost layer include structures such as fireproof material layer / substrate / cushion layer, substrate / fireproof material layer / cushion layer, and adhesive layer / fireproof material layer / cushion layer. Further examples include laminated structures such as substrate / fireproof material layer / substrate and fireproof material layer / substrate / fireproof material layer. Examples of structures with four or more layers include a three-layer structure further having an adhesive layer or cushion layer provided as the outermost layer. Representative examples include substrate / fireresistant material layer / substrate / adhesive layer, fireresistant material layer / substrate / fireresistant material layer / adhesive layer, substrate / fireresistant material layer / cushion layer / adhesive layer, fireresistant material layer / substrate / fireresistant material layer / adhesive layer, fireresistant material layer / substrate / cushion layer / adhesive layer, fireresistant material layer / substrate / cushion layer / adhesive layer, fireresistant material layer / substrate / adhesive layer / cushion ...adhesive layer / cushion layer, fireresistant material layer / substrate / adhesive layer / cushion layer, fireresistant material layer / substrate / adhesive layer / cushion layer, and substrate / adhesive layer / substrate. material / fireproof material layer / adhesive layer / cushion layer, substrate / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / fireproof material layer / substrate / substrate / adhesive layer / cushion layer, substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / adhesive layer / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, substrate / adhesive layer / substrate / fireproof material layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / fireproof material layer / substrate ..., cushion layer / adhesive layer / substrate / fireproof material layer / substrate Cushion layer / adhesive layer / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer, cushion layer / adhesive layer / substrate / substrate / fire-resistant material layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate, cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / cushion layer ... / fireproof material layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / substrate / fireproof material layer / adhesive layer / cushion layer, cushion layer / adhesive layer / fireproof material layer / substrate / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / fireproof material layer / substrate / adhesive layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fireproof material layer / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / substrate / fireproof material layer / substrate ...fireproof material layer / substrate / adhesive layer / cushion layer,Examples include cushion layer / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / substrate / adhesive layer / cushion layer, cushion layer / adhesive layer / substrate / adhesive layer / substrate / fire-resistant material layer / substrate / adhesive layer / cushion layer, etc. In each of the above-described laminated structures, the left side is the side opposite the partition portion, and the right side is the partition portion side. Also, the outermost layer means the outermost layer on the partition portion side. In a sheet-like member 1B having a multi-layer structure, adjacent layers may be bonded together using a known adhesive, and therefore, in each of the above-mentioned laminated structures, an adhesive layer may be provided between each layer as appropriate. Furthermore, in a sheet-like member 1B having a multi-layer structure, the layers may be bonded together using an adhesive layer. Furthermore, the sheet-like member 1B may have two or more consecutive layers of the same type laminated together, and two consecutive layers of the same type may be conveniently referred to as a single layer in each of the above-mentioned laminated structures. For example, in each of the above-mentioned laminated structures, two consecutive layers of different compositions may be referred to as a single fire-resistant layer. In the multi-layer structure, the sheet-like member 1B may have the same layer structure throughout, or may have a partially different structure. For example, the layer structure between the substrate and the fireproof material layer may be partially changed.

[0081] The sheet-like member 1B can be fixed to the outer surface 11A of the base material 12A by fixing members such as tackers, screws, etc., which are separate from the sheet-like member 1B. These fixing members are preferably inserted from the outside of the sheet-like member 1B (i.e., the side opposite the partition portion 11). Of course, the sheet-like member 1B may be fixed to the base material 12A by a combination of two or more of these. The fixing member may fix the sheet-like member 1B to the partition portion 11 at a location arranged on the outer surface 11A.

[0082] [Construction method] In this embodiment, the method for constructing a fireproof structure includes the steps of: in compartment penetration structure 10A having first opening 15A, installing resin box-shaped member 3 on back surface 11D of main body 12B to cover first opening 15A; and installing lid-shaped member 4 facing the front surface of box-shaped member 3; and then performing fireproofing on compartment penetration structure 10A. In compartment penetration structure 10B having second opening 15B, placing first fireproofing material 1 to close the gap between second opening 15B and insert 21; and then performing fireproofing on compartment penetration structure 10B. The order of the fireproofing on compartment penetration structure 10A and the fireproofing on compartment penetration structure 10B is not critical.

[0083] Specifically, the process of fireproofing the compartment penetration structure 10B in this embodiment involves first placing the tape-shaped member 1A on the outer periphery of the insert 21 so as to block at least a portion of the gap 13E between the insert 21 and the second opening 15B provided in the base material 12A of the partition 11. At this time, at least a portion of the tape-shaped member 1A is placed inside the partition 11. Next, the process of placing the sheet-shaped member 1B is performed so as to block at least a portion of the gap 13E between the insert 21 and the second opening 15B provided in the partition 11. At this time, at least a portion of the sheet-shaped member 1B is placed on the outer surface 11A of the base material 12A of the partition 11. In this way, the tape-shaped member 1A is placed so that at least a portion of it is present inside the partition 11, and at least a portion of the sheet-shaped member 1B is placed on the outer surface 11A of the base material 12A, which is the partition 11. This allows the tape-shaped member 1A to be placed so that at least a portion of it is present inside the partition 11, and then the sheet-shaped member 1B is placed on the outer surface 11A of the base material 12A, thereby achieving easy construction.

[0084] According to the configuration of the present embodiment, the partition 11 of a building, which is made of the building frame members 12A, 12B and has multiple openings (first opening 15A and second opening 15B), can be made into a fire-resistant structure with sufficiently excellent fire resistance. Specifically, the compartment penetration structure 10A, which has the first opening 15A, employs a resin box-shaped member 3, at least a portion of which is fire-resistant or in which the second fire-resistant member 5A, 5B is disposed, and by installing the box-shaped member 3 and the cover-shaped member 4, the fire-resistant structure has sufficiently excellent fire resistance at the first opening 15A. Furthermore, the compartment penetration structure 10B, which has the second opening 15B, employs the first fire-resistant member 1, which in turn provides a fire-resistant structure with sufficiently excellent fire resistance at the second opening 15B. With the above structure, even though the box-shaped member 3 is made of resin, in the event of a fire, it is possible to prevent flames from escaping from the first compartment A to the second compartment B or from the second compartment B to the first compartment A, thereby imparting excellent fire resistance to the partition section 11 having multiple openings formed therein. Furthermore, in this embodiment, by using a resin box-shaped member 3, accidents such as fires caused by electrical leakage can be prevented, eliminating the need for earthing work during installation and improving work efficiency. Furthermore, in this embodiment, the fireproof structure is formed without placing irregular filler such as fireproof putty or rock wool inside the openings of the core materials 12A and 12B, so there is no variation among workers.

[0085] Furthermore, in this embodiment, at least one of the tape-shaped member 1A and the sheet-shaped member 1B serving as the first fire-resistant material 1 is partially exposed and visible from the outside. If a fixing member is provided to fix the tape-shaped member 1A or the sheet-shaped member 1B, the fixing member should also be positioned in a location that is visible from the outside. Therefore, the members for forming the fire-resistant structure can be easily inspected visually or by taking photographs to ensure that they have been installed as specified. This also reduces the likelihood of forgetting to install the members.

[0086] [Modification 1 of the First Embodiment] In the first embodiment, as shown in Fig. 8, the tape-shaped member 1A is arranged so that at least a portion of it is present inside the partition section 11. However, the tape-shaped member 1A may also be arranged outside the sheet-shaped member 1B and not present inside the partition section 11, as shown in Figs. 9 and 10.

[0087] Specifically, the process of fireproofing the compartment penetration structure 10B in the first modified example of the first embodiment first involves first installing a sheet-like member 1B so as to block at least a portion of the gap 13E between the insert 21 and the second opening 15B provided in the partition 11. At this time, at least a portion of the sheet-like member 1B is installed on the outer surface 11A of the base material 12A of the partition 11. Next, a process is performed in which a tape-like member 1A is installed around the outer periphery of the insert 21 so as to block at least a portion of the gap 13E between the insert 21 and the second opening 15B provided in the base material 12A of the partition 11. At this time, the tape-like member 1A is installed so as to cover the piece 31 of the sheet-like member 1B arranged along the outer periphery of the insert 21, thereby blocking the gap between the insert 21 and the sheet-like member 1B. In this way, the installation can be performed by placing at least a part of the sheet-shaped member 1B on the outer surface 11A of the base material 12A and arranging the tape-shaped member 1A so as to close the gap between the insert 21 and the sheet-shaped member 1B. Therefore, the installation is easy.

[0088] [Modification 2 of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, the first fire-resistant material 1 may also include a cover member 1C as shown in FIG.

[0089] [Cover member] The cover member 1C is provided so as to be connected to the sheet-shaped member 1B, and is a member that closes at least a part of the gap between the sheet-shaped member 1B and the inserting body 21. The cover member 1C is a member that covers the tape-shaped member 1A and the sheet-shaped member 1B provided in the partition portion 11. For example, as shown in FIG. 11, the cover member 1C may be a single sheet having slits 150 for inserting the inserting body 21 therein, and at least one of the slits 150 may extend to the outer edge of the cover member 1C. The slits 150 are formed by cutting. The inserting body 21 can be inserted into the cover member 1C through the slits 150 that extend to the outer edge of the cover member 1C.

[0090] As shown in Fig. 12, the cover member 1C is placed so that its edge is connected to the surface of the sheet-like member 1B. Examples of means for grounding the cover member 1C so that it is connected to at least a portion of the surface of the sheet-like member 1B include fixing by known fixing means such as an adhesive, a pressure-sensitive adhesive, an adhesive tape, or a fixing member such as a tacker or a screw. Here, the adhesive, the pressure-sensitive adhesive, and the adhesive tape are preferably made of a non-combustible material, a semi-non-combustible material, or a flame-retardant material, and it is advisable to blend a flame retardant or the like into the adhesive, the pressure-sensitive adhesive, or the like. The portion of the cover member 1C near the center that covers the second opening 15B surrounds the penetrating body 21 so as to be in contact with it, and is fixed to the penetrating body 21 by a string-like member 122 wound around it from the outside. The string-like member 122 may be any bendable member, and is preferably a wire member including a wire. The wire member may be a metal wire alone, or a resin-coated wire such as Nejirikko (registered trademark) in which a metal wire is coated with resin, or a wire and fiber entangled member such as a maul. When a wire member is used, the cover member 1C can be fixed to the penetrating body 21 simply by twisting or twisting it. In another embodiment (not shown), the cover member 1C has a portion that covers the second opening 15B that surrounds the inserter 21 so as to be in contact with the inserter 21, and is fixed to the inserter 21 by adhesive tape wound from the outside (i.e., the side opposite the inserter 21). The adhesive tape preferably has a substrate and an adhesive layer provided on one side of the substrate. The substrate may be made of paper, resin film, cloth, or the like, or may be made of the non-flammable materials described above. The adhesive layer may be made of, for example, an acrylic adhesive, a urethane adhesive, a rubber adhesive, or a silicone resin adhesive. The adhesive may also contain a known flame retardant. In another embodiment not shown, the portion of the cover member 1C covering the second opening 15B may surround the penetrating body 21 so as to be in contact with it, and may be fixed to the penetrating body 21 by a fixing member such as a stapler or screw installed from the outside (i.e., the side opposite the penetrating body 21). In another embodiment (not shown), the cover member 1C may have, for example, an adhesive fire-resistant layer or an adhesive layer. The adhesive fire-resistant layer and the adhesive layer may constitute the outermost layer of the cover member 1C. That is, the cover member 1C may have at least one of an adhesive fire-resistant layer and an adhesive layer on the inside (i.e., the side facing the insert 21). In another embodiment (not shown), the cover member 1C may be fixed by, for example, a fixing piece formed by a notch formed in the cover member 1C. The fixing piece may, for example, maintain the reduced-diameter shape of the cover member 1C surrounding the inserter 21, thereby fixing the cover member 1C to the inserter 21. Specifically, the tip of the cover member 1C may have a stacked structure in which multiple cover members 1C are stacked, and multiple notches may be formed at intervals in the circumferential direction at the tip, with tongue-shaped fixing pieces provided between adjacent notches in the circumferential direction, and the fixing pieces themselves may have a stacked structure. The cover member 1C is fixed to the inserter 21 by maintaining the reduced-diameter shape with the fixing piece having the stacked structure. The stacked structure may be formed, for example, by folding back the tip of the cover member 1C, and the notches may be provided, for example, obliquely relative to the axial direction.

[0091] The cover member 1C preferably covers a portion of the tape-shaped member 1A and the sheet-shaped member 1B, making the portions of the tape-shaped member 1A and the sheet-shaped member 1B invisible from the outside. Specifically, the cover member 1C preferably covers the portion where the inserter 21, on the outer periphery of which the tape-shaped member 1A is arranged, is inserted into the sheet-shaped member 1B, thereby improving the design of the compartment penetration portion 15 and the fire resistance of the compartment penetration portion 15. As another embodiment (not shown), a means for making the portions of the tape-shaped member 1A and the sheet-shaped member 1B invisible from the outside may be such that the cover member 1C covers the portions of the tape-shaped member 1A and the sheet-shaped member 1B, and a metal foil, a metal foil composite, or the like, other than the cover member 1C is fixed to the end face of the sheet-shaped member 1B to cover the portions. In addition, as a means for making a portion of the tape-shaped member 1A and the sheet-shaped member 1B invisible from the outside, in another embodiment not shown, when a portion of the tape-shaped member 1A and the sheet-shaped member 1B is covered with the cover member 1C, the gap that occurs between the tape-shaped member 1A and the cover member 1C may be covered with a metal foil, a metal foil composite, or the like other than the cover member 1C. On the other hand, the cover member 1C may cover a portion of the tape-shaped member 1A and the sheet-shaped member 1B so that the portion is visible from the outside. Specifically, as shown in Fig. 11, the cover member 1C may make the end faces of the tape-shaped member 1A and the sheet-shaped member 1B visible from the outside. By making the end faces of the tape-shaped member 1A and the sheet-shaped member 1B visible from the outside with the cover member 1C installed, visual inspection of whether the tape-shaped member 1A and the sheet-shaped member 1B are installed in the compartment penetration portion 15 can be easily performed. The visible portions are not limited to the end faces of the tape-shaped member 1A and the sheet-shaped member 1B, but portions of the surfaces of the tape-shaped member 1A and the sheet-shaped member 1B may be exposed so that portions of the surfaces as well as the end faces are visible.

[0092] The cover member 1C is preferably placed so as to be in contact with the sheet-shaped member 1B and the insert 21. By placing the cover member 1C so as to be in contact with the sheet-shaped member 1B and the insert 21, the second opening 15B of the partition part 11 can be blocked by the sheet-shaped member 1B and the cover member 1C, and the fire resistance performance can be improved.

[0093] The cover member 1C is installed so as to form a gap 140 between it and the sheet-shaped member 1B. The gap 140 between the sheet-shaped member 1B and the cover member 1C allows the cover member 1C to be fixed with a tolerance for axial movement of the insert 21. Since the cover member 1C is fixed to the insert 21 with a tolerance, even if the insert 21 arranged inside the sheet-shaped member 1B and the cover member 1C is moved in the axial direction after the sheet-shaped member 1B and the cover member 1C are installed, the tolerance of the cover member 1C prevents the sheet-shaped member 1B and the cover member 1C from moving together with the insert 21. By preventing the sheet-shaped member 1B and the cover member 1C from moving together with the insert 21, it is possible to prevent the sheet-shaped member 1B and the cover member 1C from shifting out of the compartment penetration structure 10B. In other words, by using this configuration, the sheet-like member 1B and the cover member 1C can be maintained and positioned in the appropriate position in the compartment penetration structure 10B, and the fire resistance of the compartment penetration structure 10B can be maintained. There is a gap 140 between the sheet-like member 1B and the cover member 1C, and various configurations can be used to fix the cover member 1C with a margin for axial movement of the penetrating body 21. For example, a configuration in which at least a part of the cover member 1C is made of a flexible or stretchable material that allows it to bend or curve, or a configuration in which at least a part of the cover member 1C is fixed to the penetrating body 21 with some slack, can be mentioned.

[0094] The cover member 1C may be composed of a single layer of fire-resistant material, a single layer of non-combustible material, or both a fire-resistant layer and a non-combustible material layer, but preferably has a non-combustible material layer, and more preferably a non-combustible material layer. Furthermore, the cover member 1C may have layers other than the fire-resistant layer and the non-combustible material layer, such as a material layer made of a material other than a non-combustible material, an adhesive layer, etc. The cover member 1C is preferably made of a metal foil such as aluminum foil, glass cloth, or a metal foil composite, which is a composite of metal foil and glass cloth such as aluminum glass cloth. These constitute the non-combustible material layer. Among these, aluminum glass cloth is more preferred from the viewpoint of fire resistance. The thickness of the non-combustible material layer is not particularly limited, but is, for example, 0.01 to 1 mm, preferably 0.05 to 0.5 mm. When the non-combustible material layer has a thickness equal to or less than these upper limits, flexibility is imparted to the cover member 1C. Therefore, even if the cover member 1C has a non-combustible material layer, it can be wrapped around the outer periphery of the insert 21 while being in close contact with the insert 21. Furthermore, when the thickness is equal to or greater than the lower limit, fire resistance is more easily ensured.

[0095] As described above, the cover member 1C is preferably a deformable sheet that can cover the sheet-like member 1B, and is preferably thinner than the sheet-like member 1B so that it is flexible and can be easily deformed. The thickness of the cover member 1C is not particularly limited, but is, for example, 0.01 to 1 mm, and preferably 0.05 to 0.5 mm.

[0096] The fire-resistant material layer used in the cover member 1C is preferably a thermally expandable material that expands when heated. The thermally expandable material prevents the spread of fire by expanding in the event of a fire. The thermally expandable material is preferably formed from a thermally expandable resin composition, as described below. The fire-resistant material layer may also have adhesive properties. The thickness of the fire-resistant material layer is not particularly limited, but is, for example, 0.01 to 1 mm, preferably 0.05 to 0.5 mm. When the fire-resistant material layer has a thickness equal to or less than these upper limits, flexibility is imparted to the cover member 1C. Therefore, even if the cover member 1C has a fire-resistant material layer, it can be wrapped around the outer periphery of the insert 21. Furthermore, when the thickness is equal to or greater than the lower limit, fire resistance is more easily ensured.

[0097] The cover member 1C may have an adhesive fire-resistant material layer or an adhesive layer. The adhesive fire-resistant material layer and the adhesive layer may constitute the outermost layer of the cover member 1C. With the above-described configuration, the cover member 1C can be fixed to the sheet-like member 1B or the insert 21 without using a fixing member separate from the cover member 1C. Furthermore, by making the fire-resistant material layer itself adhesive, it is not necessary to provide an adhesive layer, which further simplifies the configuration of the cover member 1C. When the cover member 1C has an adhesive fire-resistant material layer or an adhesive layer on its outermost layer, a release sheet may be attached to the outermost layer. The release sheet may be peeled off from the outermost layer when in use.

[0098] [Modification 3 of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, the first fire-resistant material 1 may further include a fire-resistant filler 1D as shown in FIG.

[0099] [Fireproof filler] 14 , the refractory filler 1D is arranged so as to be in contact with at least one of the tape-shaped member 1A and the piece 131, and fills at least a part of the gap between the sheet-shaped member 1B and the tape-shaped member 1A arranged on the outer periphery of the insert 21. At this time, at least one of the tape-shaped member 1A and the piece 131 functions as a support for the refractory filler 1D. By being arranged so as to be in contact with at least one of the tape-shaped member 1A and the piece 131 that function as a support, the refractory filler 1D can remain in the gap between the sheet-shaped member 1B and the tape-shaped member 1A arranged on the outer periphery of the insert 21, and can fill the gap between the sheet-shaped member 1B and the tape-shaped member 1A arranged on the outer periphery of the insert 21. Examples of the fireproof filler 1D include amorphous materials such as putty, rock wool, glass wool, cellulose fiber, insulation board, gypsum board and board scraps, extruded polystyrene foam, phenolic foam, rigid urethane foam, and non-flammable urethane foam. To improve the handleability of the fireproof filler 1D, which is an amorphous material, the fireproof filler 1D may be covered with an exterior material. The exterior material is not particularly limited as long as it is a material that can encapsulate the fireproof filler 1D and maintain the shape of the fireproof filler 1D. Examples of the exterior material include metal and resin materials, and from the perspective of flexibility and handleability, a resin film such as a polyolefin resin is preferable. Alternatively, the exterior material may form a bag, and the fireproof filler 1D may be placed inside the bag.

[0100] The fire-resistant filler 1D is preferably a heat-absorbing material, a heat-insulating material, or a heat-expanding material, and more preferably a heat-expanding material that expands when heated. The heat-expanding material prevents the spread of fire by expanding during a fire. The heat-expanding material is preferably formed from a heat-expanding resin composition, as described below. In order to form the heat-expanding resin composition into an amorphous putty, the type and amount of resin, the amount of heat-expanding graphite, the type and amount of inorganic filler, etc. may be appropriately adjusted.

[0101] [Fourth Modification of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, the first fire-resistant material 1 may include a fire-resistant filler 1D and a hat-shaped member 1E as shown in FIG.

[0102] [Hat-shaped member] As shown in Figures 15 and 16, the hat-shaped member 1E has a tubular portion 160 that surrounds the inserting body 21 in an interior 160A and is inserted into the second opening 15B, and a flange-shaped portion 161 that protrudes outward from one end of the tubular portion 160 and is positioned so as to contact the base material 12A. 16, cylindrical portion 160 has a hollow cylindrical shape with both ends open so that inserter 21 can be inserted into interior 160A. There are no particular limitations on the shape of cylindrical portion 160 as long as it can be inserted into second opening 15B, but from the standpoint of improving fire resistance, it is preferable to narrow the gap between cylindrical portion 160 and second opening 15B, so it is preferable that cylindrical portion 160 has a shape similar to second opening 15B but reduced in size to the extent that it can be inserted. 16, when the cylindrical portion 160 is inserted into the second opening 15B, the flange portion 161 abuts against the outer surface 11A of the body material 12A and locks onto the entrance side of the second opening 15B, thereby preventing the flange portion 161 from falling off. There are no particular limitations on the shape of the flange portion 161 as long as it can be locked onto the entrance side of the second opening 15B, but from the viewpoint of improving fire resistance, it is preferable to close the gap between the cylindrical portion 160 and the second opening 15B, so it is preferable that the flange portion 161 has a shape with an outer diameter larger than that of the second opening 15B.

[0103] At least one of the cylindrical portion 160 and the flange-shaped portion 161 is a thermally expandable molded body having thermal expandability. The cylindrical portion 160 and the flange-shaped portion 161, which are thermally expandable molded bodies, are formed from the above-mentioned thermally expandable resin composition. The cylindrical portion 160 and the flange-shaped portion 161 may be molded integrally, or may be molded separately and then integrated.

[0104] The thickness of the cylindrical portion 160 and the flange portion 161 is not particularly limited, but is, for example, 0.1 to 20 mm, and preferably 0.5 to 10 mm. When the functional material 8 is within the above range, the cylindrical portion 160 and the flange portion 161 have appropriate mechanical strength, and the hat-shaped member 1E can be well maintained in its installed position relative to the second opening 15B. The functions that the material possesses can be imparted satisfactorily.

[0105] 16 , the refractory filler 1D is arranged so as to be in contact with at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E, and seals at least a portion of the gap between the hat-shaped member 1E and the insert 21. At this time, at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E functions as a support for the refractory filler 1D. By being arranged so as to be in contact with at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E, which function as a support, the refractory filler 1D can remain in the gap between the hat-shaped member 1E and the insert 21 and seal the gap between the hat-shaped member 1E and the insert 21.

[0106] [Fifth Modification of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, the first fire-resistant material 1 may include only a fire-resistant filler 1D, as shown in FIG.

[0107] 18, the refractory filler 1D is inserted into the second opening 15B and blocks the gap between the second opening 15B and the inserter 21. At this time, at least one of the second opening 15B and the inserter 21 functions as a support for supporting the refractory filler 1D. By being arranged so as to be in contact with at least one of the second opening 15B and the inserter 21 that function as a support, the refractory filler 1D can remain in the gap between the second opening 15B and the inserter 21 and block the gap between the second opening 15B and the inserter 21.

[0108] [Modification 6 of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, the first fire-resistant material 1 may include only a fire-resistant filler 1F consisting of a plurality of block fillers 170, as shown in FIG.

[0109] As shown in FIG. 20, the refractory filler 1F made up of a plurality of block fillers 170 is inserted into the second opening 15B, and blocks the gap between the second opening 15B and the insert 21. The shape of block filler 170 is not particularly limited as long as it can be inserted into the gap between second opening 15B and inserter 21, but from the viewpoint of ease of insertion, a rectangular column shape is preferable. Block filler 170 closes the gap between second opening 15B and inserter 21 by being inserted into the gap between second opening 15B and inserter 21, so it is preferable that block filler 170 have flexibility so that it can follow the shape of the gap. The block filler 170 is a thermally expandable molded body. The block filler 170, which is a thermally expandable molded body, is formed from the thermally expandable resin composition described above.

[0110] [Seventh Modification of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, as shown in Fig. 20, the first fire-resistant material 1 may be a thermally expandable expanding material that is installed in a sleeve 1G made of at least one of metal, resin, and paper that surrounds the insert 21 at the second opening 15B.

[0111] 〔sleeve〕 The sleeve 1G is inserted into the second opening 15B and disposed in the second opening 15B so that the inserting body 21 passes through the sleeve 1G. An end of the sleeve 1G may extend outside the second opening 15B (i.e., the outer surface 11A of the partition portion 11).

[0112] The sleeve 1G may be made of metal, resin, paper, or the like. The sleeve 1G may be sleeve-shaped and insertable into the second opening 15B. It may be formed from a steel material or a sheet-shaped fire-resistant material with its ends facing each other. When forming a sheet-shaped fire-resistant material into a sleeve, the ends are faced each other, and the ends may be bonded together with an adhesive, pressure-sensitive adhesive, adhesive tape, or the like. The adhesive, pressure-sensitive adhesive, and adhesive tape are preferably made of a non-combustible material, a quasi-non-combustible material, or a flame-retardant material, and the adhesive, pressure-sensitive adhesive, or the like may contain a flame retardant. The adhesive tape includes a substrate and an adhesive layer provided on one side of the substrate. The substrate and the adhesive layer may each be made of a non-combustible material, a quasi-non-combustible material, or a flame-retardant material. However, the sleeve 1G is not limited to being faced with its ends facing each other; it may be formed into a sleeve shape with its ends overlapping each other. The thickness of the sleeve 1G is not particularly limited, but is, for example, 0.2 to 10 mm, and preferably 0.5 to 6 mm.

[0113] The sleeve 1G is formed into a sleeve shape so as to fit the shape of the inner circumferential surface of the through hole 13A that constitutes the second opening 15B. That is, the sleeve 1G is formed into a sleeve shape so that its outer circumferential surface follows the shape of the inner circumferential surfaces of the through holes 13A and 13B, and is disposed so that the outer circumferential surface of the sleeve 1G contacts the inner circumferential surface of the through hole 13A. Since the shape of the inner circumferential surface of the through hole 13A is generally a circle, an ellipse, or a shape similar thereto, the sleeve 1G is preferably formed into a sleeve shape by rolling, and is preferably formed into a circle, an ellipse, or a shape similar thereto.

[0114] [Expansive material] The thermally expandable expansion material to be placed in the sleeve 1G can be appropriately selected from the above-mentioned thermally expandable tape-shaped member 1A, sheet-shaped member 1B, cover member 1C, fire-resistant filler 1D, hat-shaped member 1E, and fire-resistant filler 1F.

[0115] As an example of the first fire-resistant material 1 according to the seventh modified example of the first embodiment, as shown in FIGS. 20 and 21, a mode in which a tape-shaped member 1A and a cover member 1C are used as the expanding material will be described below. The sleeve 1G is installed so that the tape-shaped member 1A is in contact with the inner wall portion. By inserting the sleeve 1G with the tape-shaped member 1A installed on the inner wall portion into the second opening 15B, the tape-shaped member 1A is installed so that at least a portion of it is present inside the partition portion 11. By installing the sleeve 1G and the tape-shaped member 1A in contact with each other inside the partition portion 11, at least a portion of the gap 13E inside the opening 13C of the second opening 15B can be blocked, and in the event of a fire, the tape-shaped member 1A can expand inside the sleeve 1G to block the gap between it and the insert 21. The sleeve 1G may be formed into a sleeve shape and then the tape-shaped member 1A may be placed on the inner wall thereof, or the tape-shaped member 1A may be placed on the inner wall thereof before the sleeve is formed, and then the tape-shaped member 1A may be formed into a sleeve shape integrally with the tape-shaped member 1A, thereby placing the tape-shaped member 1A on the inner wall thereof.

[0116] Below, as another example of the first fire-resistant material 1 according to the seventh modified example of the first embodiment, an embodiment in which a fire-resistant filler 1D and a hat-shaped member 1E are used as the expanding material, as shown in FIGS. 22 and 23, is shown. The sleeve 1G is installed so that the cylindrical portion 160 of the hat-shaped member 1E contacts the inner wall portion. By inserting the sleeve 1G, with the cylindrical portion 160 of the hat-shaped member 1E installed on the inner wall portion, into the second opening 15B, the cylindrical portion 160 of the hat-shaped member 1E is installed so that at least a portion of it is present inside the partition portion 11. By installing the sleeve 1G inside the partition portion 11 with the cylindrical portion 160 of the hat-shaped member 1E in contact with the sleeve 1G, at least a portion of the gap 13E inside the opening 13C of the second opening 15B can be blocked, and in the event of a fire, the hat-shaped member 1E can expand inside the sleeve 1G to block the gap between it and the insert 21. The sleeve 1G may be formed into a sleeve shape and then the hat-shaped member 1E may be placed on the inner wall portion, or the hat-shaped member 1E may be placed before being formed into a sleeve shape, and then the hat-shaped member 1E may be placed on the inner wall portion by wrapping the sleeve shape around the tubular portion 160 of the hat-shaped member 1E.

[0117] The refractory filler 1D is arranged so as to be in contact with at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E, and seals at least a portion of the gap between the hat-shaped member 1E and the insert 21. At this time, at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E functions as a support for supporting the refractory filler 1D. By being arranged so as to be in contact with at least one of the cylindrical portion 160 and the flange portion 161 of the hat-shaped member 1E, which function as a support, the refractory filler 1D can remain in the gap between the hat-shaped member 1E and the insert 21 and seal the gap between the hat-shaped member 1E and the insert 21.

[0118] [Modification 8 of the First Embodiment] In the first embodiment, the first fire-resistant material 1 for fireproofing the compartment penetration structure 10B includes a tape-shaped member 1A and a sheet-shaped member 1B. However, as shown in Figures 24 and 25, the first fire-resistant material 1 may be configured to further include a locking portion 180 that contacts the base material 12A and can determine the installation position of the first fire-resistant material 1. As the first fire-resistant material 1 relating to variant example 8 of the first embodiment, the above-mentioned tape-shaped member 1A, sheet-shaped member 1B, cover member 1C, fire-resistant filler 1D, hat-shaped member 1E, fire-resistant filler 1F, and sleeve 1G having thermal expansion properties can be appropriately selected and used.

[0119] [Latching portion] The locking portion 180 contacts the main body material 12A and can determine the installation position of the first fire-resistant material 1. The locking portion 180 is locked to the outer periphery of the through-hole 13A (i.e., one opening 13C) on the outer surface 11A of the partition portion 11, and is fixed so as to be able to determine the installation position of the first fire-resistant material 1. The shape of the locking portion 180 is not particularly limited, and examples thereof include a block shape, a column shape, and a dot shape.

[0120] The material of the engaging portion 180 is not particularly limited as long as it is capable of engaging the first fire-resistant material 1, and examples thereof include fire-resistant materials, foams, putty materials, and caulking materials, and may also be a composite material made by combining two or more of these. The fire-resistant material is not particularly limited as long as it is a material that has fire resistance, and is preferably a fire-resistant material formed from a thermally expandable resin composition containing the above-mentioned thermally expandable material. Details of the fire-resistant material are as described above. Examples of foams include foamed polyethylene, foamed polypropylene, foamed polystyrene, and foamed polyurethane. Examples of putty materials and caulking materials include those made by blending fillers, flame retardants, etc. with synthetic resin materials such as silicone resins, acrylic resins, and urethane resins as the main component. When the locking portion 180 is made of the same material as the first fire-resistant material 1, it may be formed integrally with the inserting member 3. When the locking portion 180 is made of the same material as the first fire-resistant material 1 or a different material, it is provided as a separate body so as to be in contact with the base material 12A and the first fire-resistant material 1.

[0121] [Second embodiment] Next, a second embodiment of the present invention will be described in detail. The second embodiment differs from the first embodiment in that it further includes a third fire-resistant material 9, as shown in FIG. 27. The differences between the first embodiment and the second embodiment will be described below. Furthermore, parts whose description will be omitted are the same as those in the first embodiment. Furthermore, in the following description, members having the same configuration as those in the first embodiment will be given the same reference numerals.

[0122] The third fireproof material 9 is disposed between the cover-shaped member 4 and the base material 12B, and closes the gap between the cover-shaped member 4 and the base material 12B. The third fire-resistant material 9 may be disposed on at least a portion of the cover-shaped member 4. Specifically, the third fire-resistant material 9 is disposed on at least a portion of the outer peripheral surface of the insertion portion 40 of the cover-shaped member 4. By disposing the third fire-resistant material 9 on at least a portion of the outer peripheral surface of the cover-shaped member 4, the fire resistance of the fire-resistant treated structure can be improved. The shape of the insertion portion 40 of the lid-like member 4 is not particularly limited as long as it can be inserted into the opening 21, but from the perspective of improving the fire resistance of the fire-resistant treated structure, it is preferable that the gap between the insertion portion 40 and the opening 21 is narrow, and it is preferable that the shape of the opening 21 is reduced. The third fire-resistant material 9 is preferably in the form of a thin, long, strip-like tape from the viewpoint of ease of placement in the insertion portion 40 of the lid-shaped member 4. The tape-like third fire-resistant material 9 may be placed on the outer periphery of the insertion portion 40 of the lid-shaped member 4 by a known means, such as a means of attaching it using an adhesive or pressure-sensitive adhesive, or a means of fixing it using screws and a tacker.

[0123] The third fire-resistant material 9 arranged on the outer peripheral surface of the insertion portion 40 of the cover-shaped member 4 may or may not contact the base material 12B when the cover-shaped member 4 is installed in the partition portion 11, but is preferably arranged so as to contact it. The third fire-resistant material 9 arranged on the outer peripheral surface of the insertion portion 40 of the cover-shaped member 4 can close the gap between the insertion portion 40 and the base material 12B by expanding when heated, thereby improving the fire resistance of the fire-resistant structure. As shown in FIG. 27, the third fire-resistant material 9 arranged on the outer peripheral surface of the insertion portion 40 of the cover-shaped member 4 comes into contact with the base material 12B when the cover-shaped member 4 is installed in the partition portion 11, thereby reliably closing the gap between the insertion portion 40 and the base material 12B, thereby further improving the fire resistance of the fire-resistant structure.

[0124] The third fire-resistant material 9 is disposed on at least a part of the outer circumferential surface of the insertion portion 40 of the lid-shaped member 4. However, from the viewpoint of improving the fire resistance of the fire-resistant treated structure, it is preferable that the third fire-resistant material 9 is disposed so as to cover the entire outer circumferential surface of the insertion portion 40 of the lid-shaped member 4.

[0125] The area occupied by the third fire-resistant material 9 in the insertion portion 40 of the lid-shaped member 4 is preferably 20% or more, more preferably 30% or more, and even more preferably 40% or more, of the outer peripheral surface of the insertion portion 40. When the area occupied by the third fire-resistant material 9 in the insertion portion 40 is equal to or greater than the above-mentioned lower limit, the fire resistance of the fireproof treated structure can be improved. Furthermore, the area occupied by the third fire-resistant material 9 in the insertion portion 40 may be 100% of the outer peripheral surface of the insertion portion 40, but is preferably 95% or less, more preferably 85% or less, and even more preferably 75% or less. When the area occupied by the third fire-resistant material 9 in the insertion portion 40 is equal to or less than the above-mentioned upper limit, excessive installation of the third fire-resistant material 9 can be suppressed, thereby reducing costs.

[0126] The fire-resistant structure according to the second embodiment of the present invention can achieve fire resistance effects equal to or greater than those of the fire-resistant structure according to the first embodiment.

[0127] [Third embodiment] Next, a third embodiment of the present invention will be described in detail. The third embodiment differs from the first embodiment in that it further includes a functional material 8, as shown in FIG. 28. The following describes the differences between the first embodiment and the third embodiment. Furthermore, parts whose description is omitted are the same as those in the first embodiment. Furthermore, in the following description, parts having the same configuration as those in the first embodiment are given the same reference numerals.

[0128] The functional material 8 is placed either inside or outside the box-shaped member 3. By placing the functional material 8 either inside or outside the box-shaped member 3, it is possible to impart the functions possessed by other functional materials 8 without impairing the fire resistance performance. The material of the functional material 8 may be appropriately selected depending on the desired function. For example, if a sound-insulating function is desired, the functional material 8 may be formed from a sound-insulating material such as a foam or rubber material, and if an odor-preventing function is desired, a deodorizer or deodorizer may be blended into the resin material or rubber material that constitutes the functional material 8. Furthermore, if a vibration-damping function is desired, the functional material 8 may be formed from a rubber material or the like.

[0129] The thickness of the functional material 8 is not particularly limited, but is, for example, 0.1 to 20 mm, and preferably 0.5 to 10 mm. When the thickness of the functional material 8 is within the above range, the functions possessed by the functional material 8 can be imparted satisfactorily.

[0130] According to the fire-resistant structure according to the third embodiment of the present invention, it is possible to obtain the same effects as those of the fire-resistant structure according to the first embodiment. In the third embodiment, in addition to the effects of the fire-resistant structure according to the first embodiment, the functions possessed by the functional material can be imparted.

[0131] [Other embodiments] The present invention is not limited to the configurations of the first to third embodiments described above, and any improvements and modifications may be made without departing from the technical spirit of the present invention. For example, in the first embodiment, the first fire-resistant material 1 is shown as being configured to include a tape-shaped member 1A and a sheet-shaped member 1B, but as long as the fire resistance of the compartment penetration processing structure 10B can be ensured, the configuration may include only either the tape-shaped member 1A or the sheet-shaped member 1B. Furthermore, as shown in variant example 2 of the first embodiment, the configuration may further include a cover member 1C that blocks at least a portion of the gap between the first fire-resistant material 1 and the insert 21 shown in other embodiments.

[0132] In the above explanation, the first opening 15A is formed in the second section B and the second opening 15B is formed in the first section A, that is, in separate sections separated by two sheets of base material 12A, 12B, but as shown in Figure 29, the first opening 15A and the second opening 15B may also be formed in separate locations in the same section. Furthermore, the partition 11 is not limited to the wall of a building, but may be the ceiling or floor of a building. Even if the partition 11 is the ceiling or floor, it may have a structure with a hollow space between two partition materials, or may have a structure without a hollow space, for example, it may be composed of a single partition material.

[0133] In each of the above embodiments, the insert portion 40 of the cover-shaped member 4 has a shape that fits inside the first opening 15A of the base members 12A and 12B. However, it may also be configured so that it partially protrudes further inward than the first opening 15A. Furthermore, the first fire-resistant material provided on the cover-shaped member may be provided on a portion other than the outer circumferential surface of the insert portion 40, as long as it is provided on the outer circumferential surface of the cover-shaped member. For example, in each of the above embodiments, the insert portion 40 may be omitted, in which case the second fire-resistant material 5A may be provided on a portion other than the outer circumferential surface of the insert portion 40 of the cover-shaped member 4. For example, the second fire-resistant material 5A may be provided on the outer circumferential surface of the front portion 4A. Of course, if the insert portion 40 is not provided, the first fire-resistant material does not need to be provided on the cover-shaped member 4. Furthermore, the front surface portion 4A does not necessarily have to be provided with the frame body 41 and the door portion 42, and in that case, it may be configured from an integrated plate-like member. Furthermore, the cover-shaped member 4 is disposed in front of the body materials 12A and 12B and has a portion (front surface) that contacts the body materials 12A and 12B, but the front surface 4A may be omitted. Even if the front surface 4A is omitted, the cover-shaped member 4 may be supported by the box-shaped member 3, for example. [Explanation of symbols]

[0134] 1. First fire-resistant material 1A Tape-shaped material 1B Sheet-like member 1C Cover material 1D refractory filler 1E Hat-shaped member 1F Fireproof filling material 1G Sleeve 122 String-like member 130 slit 131 Intercept 140 void 150 slits 160 Cylindrical part 161 Collar 170 Block Filler 180 Locking part 10A, 10B Compartment penetration processing structure 11 Partition 12A, 12B body material 13 Hollow part 13E Gap 15A First opening 15B Second opening 21, 21A, 21B Penetrator 3 Box-shaped member 30 Back plate 31 Side plate 32 Insertion port 33 Insertion body connector 34 Penetrator 35 Fixing hole 36 Fixed piece 4. Lid-like member 4A Front part 40 Insertion section 40A bottom 41 Frame 41A base part 42 Door section 43,43A through hole 44 connection terminal 45,46 Control switch 47 Fixing hole 48 Control Device 49 Opening and closing assist part 5, 5A, 5B Secondary fireproofing material 6 Secondary fireproofing material 7 Fixing member 8 Functional Materials 9. Third fireproof material

Claims

1. In a partition portion of a building made of a base material having a first opening and a second opening formed therein, The first opening is provided with a resin box-shaped member installed on the back side of the base material so as to cover the first opening, and a lid-shaped member installed so as to face the front side of the box-shaped member, a first fire-resistant material is disposed in the second opening so as to insert a penetrating body therethrough and to close a gap between the second opening and the penetrating body; A fire-resistant structure, wherein at least a portion of the box-shaped member is made of a fire-resistant material, or a second fire-resistant material is disposed in the box-shaped member.

2. the first fire-resistant material includes at least one of a tape-shaped member, a sheet-shaped member, and a fire-resistant filler; The fireproof structure according to claim 1 , wherein at least one of the tape-shaped member, the sheet-shaped member, and the fireproof filler is disposed so as to be in contact with the insert.

3. 2. The fire-resistant structure according to claim 1, wherein the first fire-resistant material comprises a cylindrical portion that surrounds the insert and is inserted into the second opening, and a flange-shaped portion that protrudes outward from one end of the cylindrical portion and is arranged to contact the base material, and at least one of the cylindrical portion and the flange-shaped portion is a thermally expandable molded body having thermal expandability.

4. The fire-resistant structure according to claim 1, wherein the first fire-resistant material surrounds the insert at the second opening, fills at least a portion of the gap between the second opening and the insert, and is an expanding material having thermal expansion properties.

5. The fire-resistant structure according to claim 1, wherein the first fire-resistant material is a thermally expandable expanding material installed in a sleeve made of at least one of metal, resin, and paper that surrounds the insert at the second opening.

6. The fireproof structure according to any one of claims 1 to 5, further comprising a cover member that closes at least a part of a gap between the first fireproof material and the insert.

7. The fireproof structure according to claim 1 , further comprising a locking portion that contacts the base material and is capable of determining an installation position of the first fireproof material.

8. The fireproof structure according to claim 1 , wherein the second fireproof material disposed on the box-shaped member is disposed so as to be in contact with the base material.

9. The fire-resistant structure according to claim 1 , further comprising a third fire-resistant material disposed between the cover-like member and the base material, filling a gap between the cover-like member and the base material.

10. The fireproof structure according to claim 1 , wherein the second fireproof material is disposed between the box-shaped member and the base material, and fills a gap between the box-shaped member and the base material.

11. The fire-resistant structure according to claim 1 , wherein a functional material is disposed either inside or outside the box-shaped member.

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