JP7809767B2 - Compartment penetration processing structure, compartment penetration processing member, and compartment penetration processing method - Google Patents

Description

The present invention relates to a compartment penetration structure, compartment penetration component, and compartment penetration method used in the fire prevention structure of a building.

In buildings such as apartment complexes, office buildings, and schools, compartment penetrations are often installed in partitions such as walls to allow for the passage of long objects such as cables and pipes. Compartment penetrations are required to be designed with fire prevention measures (fireproof construction) to prevent the spread of fire to other compartments in the event of a fire in one compartment. Partitions are typically hollow walls, consisting of two walls with a hollow space between them.

A known method for making a compartment penetration part fireproof is to fill the gap between the long penetrator and the penetration hole with fireproof putty (see, for example, Patent Document 1).
Also, a method has been proposed in which the gap between the penetrator and the through-hole is filled with an irregular filler, such as a fireproof pack containing a bag of fireproof putty (see, for example, Patent Document 2). When an irregular filler is used, it is common to use a product that is a kit of a fireproof pack or sleeve containing a predetermined amount of fireproof putty inside a bag.
Furthermore, a cylindrical inserting member may be disposed in the compartment penetration to facilitate the application of the fire-resistant putty or amorphous filler and improve fire resistance and fire extinguishing properties. The inserting member exhibits fire resistance and fire extinguishing properties when disposed in an appropriate position in the compartment penetration. The inserting member has elastic protrusions that protrude outside the through hole and can be easily installed in the through hole by hanging on the outside of the through hole (see, for example, Patent Document 3).

Patent No. 6348320 Patent No. 6150933 Patent No. 5779435

However, long inserts such as cables and pipes pass through the inside of the inserts, and if the inserts are moved after installation, the inserts and the fire-resistant putty inside them may shift from their original positions. External forces such as earthquakes can also cause the inserts and the fire-resistant putty inside them to shift from their original positions. When the inserts and the fire-resistant putty inside them shift from their original positions, it becomes difficult to achieve the fire resistance and fire-extinguishing performance desired for the fire protection structure of a compartment penetration.

In light of the above problems, the present invention aims to provide a compartment penetration structure, compartment penetration component, and compartment penetration method that allows components used in the fire protection structure of a building to efficiently demonstrate fire resistance and fire extinguishing performance, while also preventing the insertion components used in the fire protection structure of a building from slipping out of place.

The present invention is summarized as follows [1] to [9].
[1] A compartment penetration processing structure that forms a compartment penetration portion formed in a partition of a building and through which a long penetrating body is inserted, and that has a fireproof structure, the compartment penetration processing structure comprising: a penetrating member inserted in the compartment penetration portion in the form of a sleeve; a locking member that contacts at least one end side of the penetrating member and the partition portion and fixes the position of the penetrating member; and a sheet-like covering portion that is provided on at least one end side of the penetrating member and covers the gap between the opening of the compartment penetration portion provided in the partition portion and the penetrating body.
[2] A compartment penetration processing structure as described in [1], in which the covering portion is fixed with a tolerance for axial movement of the penetrating body.
[3] A compartment penetration processing structure described in [1] or [2], in which the covering portion is fixed to the insert by at least one of a string-like member or adhesive tape wrapped around from the outside, and an adhesive layer or fire-resistant material arranged on the inside.
[4] A compartment penetration processing structure described in any one of [1] to [3], wherein the locking member covers the gap between the partition portion and the insertion member.
[5] A compartment penetration processing structure described in any one of [1] to [4], wherein the locking member is inserted in the gap between the partition portion and the insertion member.
[6] A compartment penetration processing structure described in any one of [1] to [5], wherein the locking member is in contact with both end sides of the partition portion and the insertion member.
[7] A compartment penetration processing structure described in any one of [1] to [6], wherein the locking member is one or more selected from the group consisting of fireproof material, foam, putty material and caulking material.
[8] A compartment penetration treatment member used to make a compartment penetration portion formed in a partition of a building and into which a long penetrating body is inserted a fireproof structure, the compartment penetration treatment member comprising: a sleeve-shaped or deformable sleeve-shaped penetrating member; a locking member for fixing the position of the penetrating member in the partition; and a sheet-shaped covering portion for covering the gap between the through hole provided in the partition and the penetrating body.
[9] A compartment penetration processing method for making a compartment penetration section formed in a partition section of a building and having a fireproof structure, through which a long penetrating body is inserted, the method including a step of providing at least one of the compartment penetration processing structures described in [1] to [7] and the compartment penetration processing member described in [8] in the compartment penetration section.

The present invention provides a compartment penetration structure, compartment penetration component, and compartment penetration method that allow components used in the fire protection structure of a building to efficiently demonstrate fire resistance and fire extinguishing performance, while also preventing the insertion components used in the fire protection structure of a building from slipping out of place.

1 is a cross-sectional view showing a compartment penetration processing structure according to a first embodiment of the present invention. 3 is a cross-sectional view showing the arrangement of a locking member of the compartment penetration processing structure according to the first embodiment of the present invention. FIG. 1 is a perspective view (part 1) showing a compartment penetration processing method according to a first embodiment of the present invention; FIG. 1 is a cross-sectional view showing a compartment penetration processing member according to a first embodiment of the present invention. FIG. FIG. 10 is a perspective view (part 2) showing the compartment penetration processing method according to the first embodiment of the present invention. FIG. 10 is a cross-sectional view showing a compartment penetration processing member according to a second embodiment of the present invention. FIG. 10 is a perspective view showing a compartment penetration processing method according to a second embodiment of the present invention. FIG. 10 is a cross-sectional view showing a compartment penetration structure according to a third embodiment of the present invention. FIG. 10 is a cross-sectional view (part 1) showing a compartment penetration processing member according to a third embodiment of the present invention. FIG. 10 is a cross-sectional view (part 2) showing a compartment penetration processing member according to a third embodiment of the present invention. FIG. 10 is a perspective view showing a compartment penetration processing method according to a third embodiment of the present invention. FIG. 10 is a perspective view showing a compartment penetration processing member according to a fourth embodiment of the present invention.

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

[First embodiment]
The compartment penetration structure according to the first embodiment of the present invention is a compartment penetration structure in which a compartment penetration section 15, which is formed in a partition section 11 of a building and through which a long penetrating body 21 is inserted, has a fireproof structure, as shown in FIG.
The compartment penetration member used in the compartment penetration structure according to the first embodiment of the present invention comprises an insertion member 3 , a locking member 4 , and a covering portion 5 .

The partition 11 in the compartment penetration structure of the present invention is a component that separates compartments (first compartment A and second compartment B) in the wall of a building, and has a compartment penetration 15 that penetrates from one outer surface 11A of the partition 11 to the other outer surface 11B. The partition 11 shown in Figure 1 is a hollow wall composed of two wall materials (partition materials) 12A and 12B arranged with a gap (hollow portion 13) between them. Therefore, the compartment penetration 15 is composed of a through hole 13A formed in one wall material 12A, a through hole 13B formed in the other wall material 12B, and the hollow portion 13 between them. The outer surface of one wall material 12A constitutes the outer surface 11A of the partition 11, and the outer surface of the other wall material 12B constitutes the outer surface 11B of the partition 11. Through holes 13A, 13B may be circular, elliptical, or similar in shape so that when inserting member 3 (described below) is inserted, the outer surface of inserting member 3 can fit into the shape of the inner surface of through holes 13A, 13B. Furthermore, through holes 13A, 13B on outer surfaces 11A, 11B, respectively, form openings 13C, 13D of compartment penetration portion 15 provided in partition portion 11.

[Penetration member]
The inserting member 3 is inserted into the partition penetrating portion 15 in a sleeve-like shape, and is disposed in the partition penetrating portion 15 so that the inserting body 21 passes through the inside of the sleeve. Here, the sleeve-like inserting member 3 is passed from one through-hole 13A to the other through-hole 13B in the partition penetrating portion 15. The inserting member 3 can prevent communication between the hollow portion 13 and the outside of the partition portion 11.
The inserting member 3 is sleeve-shaped or can be deformed into a sleeve. Here, the term "inserting member 3 that can be deformed into a sleeve" refers to a sheet-shaped inserting member 3 that is deformed into a sleeve shape by aligning the ends of the sheet-shaped inserting member 3 and inserting it into the compartment penetration portion 15. The sheet-shaped inserting member 3 is not limited to an inserting member that is initially in a sheet shape, but also includes an inserting member that is unwound from a roll. However, when deforming the inserting member 3 into a sleeve shape, the ends of the sheet-shaped inserting member 3 are not limited to abutting against each other, and the ends may overlap to form a sleeve shape. Since the inserting member 3 can be deformed into a sleeve shape, the size of the inserting member 3 can be adjusted to match the size of the through holes 13A and 13B at the construction site, thereby enabling the inserting member 3 to be formed into a sleeve shape of various sizes. The thickness of the sheet-shaped or roll-shaped inserting member 3 is not particularly limited, but is, for example, 0.01 to 10 mm, preferably 0.05 to 5 mm. The inserting member 3 should be flexible enough to be deformed into a sleeve shape.

The insertion member 3 is made of a fire-resistant material. The fire-resistant material is preferably a thermally expandable material that expands when heated. The thermally expandable material expands in the event of a fire, thereby preventing the spread of the fire.
The thermally expandable member is formed from a thermally expandable resin composition containing a resin component and a thermally expandable material. By forming the insertion member 3 from a thermally expandable resin composition containing the resin component, it becomes easy to form or deform the insertion member 3 into a curved shape, and it can be made into a sleeve shape as described above.
Examples of the thermally expandable material include thermally expandable inorganic materials. By using a thermally expandable inorganic material, the material expands appropriately due to the heat of a fire, and the mechanical strength of the expansion residue after expansion is excellent, making it easier to improve fire resistance. Note that the thermally expandable material referred to here does not substantially expand due to molding or the like, as described below, and the thermally expandable resin composition maintains its thermal expandability in the thermally expandable member.

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 the thermally expandable material can be measured by heating a predetermined amount (e.g., 100 mg) of the thermally expandable 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, 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 a test piece, and then dividing the thickness of the test piece by the formula: (thickness of the test piece after heating)/(thickness of the test piece before heating).

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.
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, polyethylene (PE), polypropylene (PP), polyolefins such as ethylene vinyl acetate (EVA), polyesters such as 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).
Examples of the curable resin include epoxy resin, phenol resin, melamine resin, urea resin, unsaturated polyester resin, alkyd resin, polyurethane, and thermosetting polyimide.

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.
The resin component of the thermally expandable resin composition may be one type or a combination of two or more types.

The thermally expandable resin composition may contain a plasticizer, which is preferably used when the resin component is a thermoplastic resin such as a 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); fatty acid ester plasticizers such as adipic acid polyester; epoxidized ester plasticizers such as epoxidized soybean oil; trimellitate ester plasticizers such as tri-2-ethylhexyl trimellitate (TOTM) and triisononyl trimellitate (TINTM); phosphate ester plasticizers such as trimethyl phosphate (TMP) and triethyl phosphate (TEP); and process oils such as mineral oil.
The plasticizer may be one type or a combination of two or more types.
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 or more and 150 parts by mass or less, and preferably in the range of 10 parts by mass or more and 100 parts by mass or less, per 100 parts by mass of the resin component.
When the amount of the plasticizer is equal to or greater than these lower limits, good moldability is likely to be achieved, and when the amount is equal to or less than the upper limits, an appropriate strength is imparted to the molded article.

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 easier to deform into a sleeve shape. In addition, by setting the content at or below the upper limits, it is 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.

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.

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 above the lower limit, the degree of expansion of the graphite tends to increase, resulting in good foaming properties. Furthermore, if the particle size is below the upper limit, good dispersibility is achieved when kneading with resin, improving moldability.

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, per 100 parts by mass of the resin component. A content of thermally expandable graphite of 3 parts by mass or more results in good thermal expandability. Furthermore, a content of 300 parts by mass or less results in good moldability, and the surface properties, mechanical properties, flexibility, and other aspects of the sealing member are also good. From these perspectives, 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, and more preferably in the range of 15 parts by mass or more and 100 parts by mass or less.

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.

The thermally expandable resin composition used in the present invention may contain various additive components as required, within the scope of not impairing the object of the present invention.
The type of the additive component is not particularly limited, and various additives can be used. Examples of such additives include lubricants, anti-shrinkage agents, crystal nucleating agents, colorants (pigments, dyes, etc.), ultraviolet absorbers, antioxidants, antiaging agents, reinforcing agents, flame retardant aids, antistatic agents, surfactants, vulcanizing agents, and surface treatment agents. The amount of the additive component added can be appropriately selected within a range that does not impair moldability, etc. The additive component may be used alone or in combination of two or more types.

The thermally expandable resin composition used in the present invention can be obtained by mixing the resin, thermally expandable inorganic material, and optional components using known equipment such as a bead mill, Banbury mixer, kneader mixer, kneading roll, Raikai mixer, or planetary mixer.

[Locking member]
The locking member 4 contacts the partition 11 and at least one end 30 of the inserting member 3, fixing the position of the inserting member 3. The locking member 4 is locked on the outer periphery of the through-hole 13A (i.e., one opening 13C) on the outer surface 11A, and the one end 30 of the inserting member 3 is fixed to the partition 11. The shape of the locking member 4 is not particularly limited, and examples thereof include a block shape, a column shape, and a dot shape.

The locking member 4 is not particularly limited as long as it is a material capable of locking the partition portion 11 and the insertion member 3, and examples thereof include fire-resistant materials, foams, putty materials, and caulking materials, and may also be composite materials combining two or more of these. The fire-resistant material is not particularly limited as long as it is a fire-resistant material, 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 composed primarily of synthetic resin materials such as silicone resins, acrylic resins, and urethane resins, to which fillers and flame retardants are added.
When the locking member 4 is made of the same material as the inserting member 3, it may be formed integrally with the inserting member 3. When the locking member 4 is made of the same material as the inserting member 3 or a different material, it is provided as a separate body so as to contact the partition portion 11 and the inserting member 3.

As shown in Fig. 2, if a gap 40 is formed between the partition 11 and the inserting member 3, the locking member 4 is preferably provided so as to close the gap 40. Specifically, as shown in Fig. 2(a), the locking member 4 is arranged so as to cover the gap 40 between the partition 11 and the inserting member 3, thereby closing the gap 40. Also, as shown in Fig. 2(b), the locking member 4 is arranged so as to enter the gap 40 between the partition 11 and the inserting member 3, thereby closing the gap 40. In this way, by closing the gap 40 formed between the partition 11 and the inserting member 3 with the locking member 4, the fire resistance of the compartment penetration portion 15 can be improved.
When the locking member 4 is, for example, a fireproof material, a foam, a putty, or a caulking material, it is preferable to have the configuration shown in Fig. 2(a). When the locking member 4 is a putty or a caulking material, it is preferable to have the configuration shown in Fig. 2(b), since it is easy to insert the locking member 4 into the gap 40. The locking member 4 may be a combination of a fireproof material or a foam with a putty or a caulking material, or may be a combination of all of them, and in that case, it is preferable to insert the putty or the caulking material into the gap 40.

[Enveloping part]
The covering portion 5 is provided on at least one end side of the inserting member 3 and is sheet-like, covering the gap 50 between the opening 13D of the compartment penetration portion 15 provided in the partition portion 11 and the inserting body 21. Examples of means for providing the covering portion 5 on at least one end side 31 of the inserting member 3 include means for fixing the covering portion 5 with known fixing means such as an adhesive, a pressure-sensitive adhesive, and an adhesive tape. 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.

As shown in Figure 1, the covering portion 5, which covers the opening 13D of the compartment penetration portion 15, surrounds the penetrating body 21 and is secured to the penetrating body 21 by a string-like member 22 wound around it from the outside. The string-like member 22 may be any bendable member, and is preferably a wire member. 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 covering portion 5 can be secured to the penetrating body 21 simply by twisting or twisting it.

The covering portion 5 is fixed with a tolerance for axial movement of the inserting body 21. Since the covering portion 5 is fixed to the inserting body 21 with a tolerance, even if the inserting body 21 arranged inside the inserting member 3 is moved in the axial direction after the inserting member 3 is installed, the tolerance of the covering portion 5 can buffer the inserting member 3 from moving together with the inserting body 21, and can prevent the inserting member 3 from shifting out of the compartment penetration portion 15. In other words, with this configuration, the inserting member 3 can be maintained and arranged at an appropriate position in the compartment penetration portion 15, and the fire resistance of the compartment penetration portion 15 can be maintained.
Examples of configurations in which the covering portion 5 is fixed with a tolerance for axial movement of the inserting body 21 include a configuration in which at least a portion of the covering portion 5 is made of a flexible or stretchable material that allows it to bend or curve, and a configuration in which at least a portion of the covering portion 5 is fixed so that it has slack relative to the inserting body 21.

The covering portion 5 is preferably made of a non-combustible material. The non-combustible material is defined in the Building Standards Act and the Enforcement Order of the Building Standards Act. Specific examples of the covering portion 5 include metal foils such as aluminum foil, glass cloth, and composites of metal foil and glass cloth such as aluminum-glass cloth. Of these, aluminum-glass cloth is preferred from the viewpoint of fire resistance.
The thickness of the covering portion 5 is, for example, 0.01 to 1 mm, preferably 0.05 to 0.5 mm.

A specific example of a compartment penetration processing method using a compartment penetration processing member having a sleeve-shaped insertion member 3 will be described below.
As shown in Fig. 3, a sleeve-shaped inserting member 3 is prepared in advance. A covering portion 5 is provided on one end portion 31 of the inserting member 3.

As shown in Figure 3, after the sleeve-shaped inserting member 3 is placed, one end 30 of the inserting member 3 extends outward from the through-hole 13A, and the locking member 4 is placed so that the extended inserting member 3 contacts the outer periphery of the through-hole 13A. The position of the locking member 4 is fixed by placing the inserting member 3. The locking member 4 may be fire-resistant material, foam, putty, or caulking material. When fire-resistant material or foam is used as the locking member 4, it can be prepared as a ring-shaped member and installed after the inserting member 3 is placed in the compartment penetration portion 15. When putty or caulking material is used as the locking member 4, it can be applied to the inserting member 3 after the inserting member 3 is placed in the compartment penetration portion 15.

As shown in Figure 3, after the sleeve-shaped insertion member 3 is placed in the compartment penetration portion 15, the covering portion 5 provided on one end 31 of the insertion member 3 extends outward from the through hole 13B. The covering portion 5 extending from the through hole 13B is bent or folded as appropriate to reduce its diameter and closely surround the outer periphery of the insertion body 21. A string-like member 22 is then wound around the surrounding portion of the covering portion 5, which secures the covering portion 5 to the insertion body 21. As a result, one opening 13D of the compartment penetration portion 15 is covered by the covering portion 5.

A specific example of a compartment penetration processing method using a compartment penetration processing member having an insertion member 3 that can be deformed into a sleeve shape will be described below.
The inserting member 3, which can be deformed into a sleeve shape, is in the form of a sheet, and as shown in Fig. 4, a locking member 4 is laminated on one surface on one end 30 side. A covering portion 5 is also provided on one end 31 side of the inserting member 3. In the configuration shown in Fig. 4, the locking member 4 is preferably made of a foam or a fire-resistant material. It is also preferable that the ends of the locking members 4 are butted together.

5, the inserting member 3 that can be deformed into a sleeve shape is deformed into a sleeve shape so as to fit the shape of the inner peripheral surfaces of the through holes 13A, 13B that constitute the compartment penetration portion 15. That is, the inserting member 3 is preferably sleeve-shaped so that its outer peripheral surface conforms to the shape of the inner peripheral surfaces of the through holes 13A, 13B. Since the shape of the inner peripheral surfaces of the through holes 13A, 13B is generally a circle, an ellipse, or a shape similar thereto, the inserting member 3 is preferably rolled into a sleeve shape, and is preferably formed into a circle, an ellipse, or a shape similar thereto.
Furthermore, when the insertion member 3 is formed into a sleeve, the ends are butted together, and at this time, the ends may be bonded together using an adhesive, a pressure-sensitive adhesive, an adhesive tape, or the like. Here, 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 a flame retardant or the like may be blended into the adhesive, pressure-sensitive adhesive, or the like. The adhesive tape includes a substrate and an adhesive layer provided on one side of the substrate, and it is preferable that the substrate and the adhesive layer are each made of a non-combustible material, a quasi-non-combustible material, or a flame-retardant material. However, when the insertion member 3 is formed into a sleeve, the ends are not limited to being butted together, and the sleeve may be formed so that the ends overlap.

After the sleeve-shaped inserting member 3 is placed in the compartment penetration portion 15, the covering portion 5 provided on one end 31 of the inserting member 3 extends outward from the through hole 13B. The covering portion 5 extending from the through hole 13B is bent or folded as appropriate to reduce its diameter and closely surround the outer periphery of the inserting body 21. A string-like member 22 is then wound around the surrounding portion of the covering portion 5, and the covering portion 5 is fixed to the inserting body 21 by the string-like member 22, so that one opening 13D of the compartment penetration portion 15 is covered by the covering portion 5.
If a gap is formed between the partition portion 11 and the inserting member 3 after the sleeve-shaped inserting member 3 is placed in the partition penetration portion 15, it is preferable to further form a locking member 4 using putty and caulking material to seal the gap.

According to the compartment penetration structure of the first embodiment of the present invention, the insertion member 3 prevents communication between the hollow portion 13 and the outside of the partition portion 11, and one opening 13D of the compartment penetration portion 15 is covered by the covering portion 5, thereby preventing communication between one opening 13C and the other opening 13D of the compartment penetration portion 15. Therefore, the compartment penetration structure of the first embodiment can make the compartment penetration portion 15 an appropriate fireproof structure.
Furthermore, according to the compartment penetration processing structure of the first embodiment of the present invention, the locking member 4 and the covering portion 5 can suppress slippage of the inserting member 3 at the compartment penetration portion 15, thereby maintaining the fire resistance of the compartment penetration portion 15.

Second Embodiment
The second embodiment differs from the first embodiment in that the layered structure of the insertion member 3, the locking member 4, and the covering portion 5 of the compartment penetration processing member is different, as shown in Figure 6. The differences between the first embodiment and the second embodiment will be described below. In addition, in the following description of different embodiments, the same reference numerals will be used to designate components having the same configuration.

As shown in Fig. 6, the compartment penetration processing member according to this embodiment has a covering portion 5 laminated on one surface of an inserting member 3. The covering portion 5 is laminated so as to extend from one end portion 31 of the inserting member 3. The locking member 4 is laminated on the covering portion 5 laminated on the one end portion 30 side of the inserting member 3. In this embodiment, by employing a configuration in which the inserting member is laminated on the covering portion 5, the inserting member 3 can be easily manufactured by simply applying a thermally expandable resin composition to the covering portion 5.
The insertion member 3 that can be deformed into a sleeve shape is deformed into a sleeve shape so as to fit the shape of the inner circumferential surfaces of the through holes 13A, 13B that constitute the compartment through-hole portion 15, as shown in FIG.

After the sleeve-shaped inserting member 3 is placed in the compartment penetration portion 15, the covering portion 5 provided on one end 31 of the inserting member 3 extends outward from the through hole 13B. The covering portion 5 extending from the through hole 13B is bent or folded as appropriate to reduce its diameter and closely surround the outer periphery of the inserting body 21. A string-like member 22 is then wound around the surrounding portion of the covering portion 5, and the covering portion 5 is fixed to the inserting body 21 by the string-like member 22, so that one opening 13D of the compartment penetration portion 15 is covered by the covering portion 5.
If a gap is formed between the partition portion 11 and the inserting member 3 after the sleeve-shaped inserting member 3 is placed in the partition penetration portion 15, it is preferable to further form a locking member 4 using putty and caulking material to seal the gap.

[Third embodiment]
The third embodiment differs from the first embodiment in that, as shown in Fig. 8, the locking members 4 (4A, 4B) are in contact with both end portions of the partition portion 11 and the insertion member 3. Differences between the first embodiment and the third embodiment will be described below. In addition, in the following description of different embodiments, members having the same configuration will be assigned the same reference numerals.

8, in the compartment penetration structure of this embodiment, a locking member 4A is provided in contact with one end 13A of the partition 11 and the insertion member 3, and a locking member 4B is provided in contact with the other end 13B of the partition 11 and the insertion member 3. The locking members 4A and 4B may be made of the same material or different materials.
The locking members 4A and 4B contact the partition 11 and both end portions 13A and 13B of the inserting member 3, and restrict movement of the inserting member 3 at both end portions 13A and 13B of the partition 11.
When a gap is formed between the partition portion 11 and the insertion member 3 on the side of both end portions 13A and 13B, the locking members 4A and 4B can close the gap.

9, the compartment penetration processing member according to this embodiment has a locking member 4A laminated on one end 30 side of one surface of an inserting member 3, and a locking member 4B laminated on the other end 31 side. Also, a covering portion 5 is provided on the one end 31 side of the inserting member 3.
10, the compartment penetration processing member according to this embodiment has a covering portion 5 laminated on one surface of an inserting member 3. The covering portion 5 is laminated so as to extend from one end portion 31 of the inserting member 3. A locking member 4A is laminated on the covering portion 5 laminated on the one end portion 30 side of the inserting member 3, and a locking member 4B is laminated on the covering portion 5 laminated on the other end portion 31 side.

A specific example of a compartment penetration processing method using the compartment penetration processing member according to this embodiment will be described below.
11, the inserting member 3 that can be deformed into a sleeve shape is deformed into a sleeve shape so as to fit the shape of the inner circumferential surfaces of the through holes 13A and 13B that constitute the compartment penetration portion 15. At this time, it is necessary to reduce the diameter of the inserting member 3 to an extent that the locking member 4B can pass through the through holes 13A and 13B.

After the sleeve-shaped inserting member 3 is placed in the compartment penetration portion 15, the covering portion 5 provided on one end 31 of the inserting member 3 extends outward from the through hole 13B. The covering portion 5 extending from the through hole 13B is bent or folded as appropriate to reduce its diameter and closely surround the outer periphery of the inserting body 21. A string-like member 22 is then wound around the surrounding portion of the covering portion 5, and the covering portion 5 is fixed to the inserting body 21 by the string-like member 22, so that one opening 13D of the compartment penetration portion 15 is covered by the covering portion 5.
If a gap is formed between the partition portion 11 and the inserting member 3 after the sleeve-shaped inserting member 3 is placed in the partition penetration portion 15, it is preferable to further form locking members 4A, 4B using putty and caulking material to seal the gap.

The locking member 4A or locking member 4B may be configured to be added after the insertion member 3 is placed in the compartment penetration portion 15. If the locking member 4A or locking member 4B is configured to be added after the insertion member 3 is placed in the compartment penetration portion 15, the insertion member 3 may be a pre-formed sleeve.

According to the compartment penetration processing structure of the third embodiment of the present invention, the locking members 4A, 4B are arranged in contact with the partition portion 11 and both end portions 13A, 13B of the inserting member 3, thereby further suppressing the movement of the inserting member 3 on both end portions 13A, 13B of the partition portion 11, and maintaining the fire resistance of the compartment penetration portion 15.
Furthermore, even if a gap is formed between the partition portion 11 and the insertion member 3 at both end portions 13A and 13B, the provision of locking members 4A and 4B can prevent the gap on both sides, thereby improving the fire resistance of the compartment penetration portion.

[Fourth embodiment]
The fourth embodiment differs from the first embodiment in that a plurality of notches 41B are formed in the insertion member 3 that can be deformed into a sleeve shape, as shown in Fig. 12. Differences between the first embodiment and the fourth embodiment will be described below. In the following description of different embodiments, the same reference numerals will be used to designate components having the same configuration.

In the fourth embodiment, as shown in FIG. 12, multiple notches 41B are formed in an inserting member 3 that can be deformed into a sleeve shape. Each notch 40B extends from one end 41A of the sheet-like inserting member 3 to halfway along the inserting member 3. Because the inserting member 3 has the notches 40B, as shown in FIG. 1, one end 41A is folded back outward to form a flange-shaped locking member 4. The locking member 4 is locked on the outer surface 11A to the outer periphery of the through-hole 13A (i.e., one opening 13C) or inside the through-hole 13A, and one end 30 of the inserting member 3 is fixed to the partition 11. Therefore, the inserting member 3 inserted into the partition-penetrating portion 15 is securely fixed in the desired position within the partition-penetrating portion 15.

[Other embodiments]
In the above description, the first to fourth embodiments have been shown as the compartment penetration processing structure, but the first to fourth embodiments may be combined as appropriate. In other words, the embodiments shown in the above description may be combined as appropriate, or all of them may be combined.
Furthermore, the compartment penetration processing structure is not limited to the forms shown in the above embodiments, and any configuration is acceptable as long as it uses a compartment penetration processing member that has an insertion member, a locking member, and a covering portion.

For example, in each of the above embodiments, the covering portion is fixed to the inserter by a string-like member. However, the covering portion may be fixed by something other than a string-like member, such as an adhesive layer or a fire-resistant material. The adhesive layer or fire-resistant material may be pre-laminated on the inside of the covering portion, in a portion that contacts the inserter, or on the entire covering portion. The adhesive layer may consist of a single adhesive layer, or may be a double-sided adhesive tape having a substrate and adhesive layers provided on both sides of the substrate. The fire-resistant material may be formed from the above-mentioned thermally expandable resin composition. For example, the thermally expandable resin composition may be applied to the covering portion uncured or diluted with a solvent, and then cured and dried while in contact with the inserter, thereby fixing the covering portion to the inserter via the fire-resistant material. The covering portion may be fixed by a putty-like mixture, which is a resin composition containing at least one inorganic material selected from hydroxides such as aluminum hydroxide and magnesium hydroxide, carbonates such as calcium carbonate and magnesium carbonate, oxides such as magnesium oxide, phosphorus, ammonium polyphosphate, aluminum phosphite and phosphorus compounds, sulfates such as calcium sulfate, lead sulfate and barium sulfate, bentonite, vermiculite, mica, boron nitride, alumina, etc.
The covering portion may also be fixed by an adhesive tape wrapped around it from the outside. The adhesive tape may be a single-sided adhesive tape having a substrate and an adhesive layer on one side of the substrate. Details of the substrate and the adhesive layer are as described above.

In addition, in each of the above embodiments, the insertion member is made of a fire-resistant material, but it may also be made of a non-combustible material. Non-combustible materials for the insertion member are those specified in the Building Standards Act and the Building Standards Act Enforcement Order. Examples of non-combustible materials for the insertion member include mortar, metal pipes such as steel sleeves, inorganic fibers, and molded bodies thereof.

3 Insertion member 4 Locking member 5 Covering portion 11 Partition portion 12A, 12B Wall material 13 Hollow portion 13A, 13B Through-hole 13C, 13D Opening 15 Compartment penetration portion 21 Insertion body 22 String-like member

Claims (5)

A compartment penetration processing structure in which a compartment penetration part formed in a partition part of a building and having a through hole formed therein through which a long penetrating body is inserted is a fireproof structure,
An insertion member inserted into the compartment penetration portion in a sleeve shape;
a locking member provided on at least one end of the inserting member, on the partition portion side of the inserting member, for fixing the position of the inserting member;
A partition penetration processing structure comprising a sheet-like covering portion that is provided to extend from the inserting member on at least one end side of the inserting member, and that is stacked on one side of the through hole side on at least one end side of the inserting member, covering the gap between the inserting member and the inserting body. The compartment penetration processing structure described in claim 1, wherein the covering portion is fixed with a tolerance for axial movement of the penetrator. The compartment penetration structure described in claim 1 or 2, wherein the covering portion is fixed to the insert by at least one of a string-like member or adhesive tape wrapped around the outside and an adhesive layer or fire-resistant material disposed on the inside. The compartment penetration structure described in any one of claims 1 to 3, wherein the locking member covers the gap between the partition and the insertion member. The compartment penetration treatment structure described in any one of claims 1 to 4, wherein the locking member is one or more selected from the group consisting of fireproof material, foam, putty, and caulking material.