JP2024069412A - Compartment penetrating structure, compartment penetrating member and compartment penetrating method - Google Patents
Compartment penetrating structure, compartment penetrating member and compartment penetrating method Download PDFInfo
- Publication number
- JP2024069412A JP2024069412A JP2024038282A JP2024038282A JP2024069412A JP 2024069412 A JP2024069412 A JP 2024069412A JP 2024038282 A JP2024038282 A JP 2024038282A JP 2024038282 A JP2024038282 A JP 2024038282A JP 2024069412 A JP2024069412 A JP 2024069412A
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- Prior art keywords
- partition
- compartment penetration
- compartment
- insertion member
- covering portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Building Environments (AREA)
Abstract
Description
本発明は、建築物の防火構造に用いられる区画貫通処理構造、区画貫通処理部材及び区画貫通処理方法に関する。 The present invention relates to a compartment penetration structure, a compartment penetration member, and a compartment penetration method used in the fire prevention structure of a building.
集合住宅、オフィスビル、学校等の建築物において、壁等の仕切り部には、ケーブル類、配管類などの長尺の挿通体を挿通するために、区画貫通部が設けられることがある。区画貫通部は、いずれかの区画で火災が発生した際に、他の区画への延焼を防止するために、防火措置を施した構造（防火構造）にすることが求められている。仕切り部は、２枚の壁部からなり、壁部間が中空部となっている中空壁が一般的である。 In buildings such as apartment buildings, office buildings, and schools, partitions such as walls are often provided with compartment penetrations to allow for the insertion of long objects such as cables and pipes. Compartment penetrations are required to have a fireproof structure (fireproof construction) to prevent the spread of fire to other compartments in the event of a fire in one compartment. Partitions are generally hollow walls consisting of two walls with a hollow space between them.
区画貫通部を防火構造とする方法は、例えば、長尺の挿通体と貫通孔の間隙に、耐火パテを充填する方法が知られている（例えば、特許文献１参照）。
また、耐火パテを袋体内部に詰めた耐火パックなどの不定形充填材で挿通体と貫通孔の間隙を充填する方法が提案されている（例えば、特許文献２参照）。不定形充填材を使用する場合、予め決められた量の耐火パテを袋体内部に詰めた耐火パックやスリーブをキット化した商品を使用することが一般的である。
また、上記の耐火パテや不定形充填材の設置を容易にし、耐火性及び消火性を向上させるために筒状の挿通部材が区画貫通部に配設されることがある。挿通部材は、区画貫通部において適切な位置に配置されることで、耐火性能及び消火性能を発揮する。挿通部材は、弾性突起部を有し、弾性突起部が貫通孔の外側に突き出て、貫通孔の外側に掛けることで貫通孔に簡単に設置することができる（例えば、特許文献３参照）。
One method of making a compartment penetration part fireproof is to fill the gap between the long insert and the penetration hole with fireproof putty (see, for example, Patent Document 1).
Also, a method has been proposed of filling the gap between the insert and the through hole with an irregular filler such as a fireproof pack with fireproof putty packed inside the bag (see, for example, Patent Document 2). When using an irregular filler, it is common to use a product that is a kit of a fireproof pack or sleeve with a predetermined amount of fireproof putty packed inside the bag.
In addition, a cylindrical insertion member may be disposed in the compartment penetration part to facilitate the installation of the fireproof putty or shapeless filling material and to improve fire resistance and fire extinguishing properties. The insertion member exerts fire resistance and fire extinguishing properties by being disposed at an appropriate position in the compartment penetration part. The insertion member has an elastic protrusion that protrudes outside the through hole and can be easily installed in the through hole by hanging it on the outside of the through hole (for example, see Patent Document 3).
しかし、挿通部材の内側には、ケーブル類及び配管類等の長尺の挿通体が通されており、挿通部材の設置後に挿通体を動かした場合には、挿通部材や挿通部材の内部の耐火パテなどが設置されていた適切な位置からずれてしまうことがある。また、地震等の外力によっても、挿通部材などが設置されていた適切な位置からずれてしまうことがある。このように、挿通部材や挿通部材の内部の耐火パテなどが設置されていた適切な位置からずれてしまうことによって、区画貫通部の防火構造として望まれる耐火性能及び消火性能を発揮することが困難となる。 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 fireproof putty inside the inserts may shift from their appropriate positions. External forces such as earthquakes may also cause the inserts to shift from their appropriate positions. In this way, the inserts and the fireproof putty inside the inserts may shift from their appropriate positions, making it difficult to achieve the fire resistance and fire extinguishing performance desired for a fireproof structure for a compartment penetration.
そこで、上記問題に鑑み、本発明は、建築物の防火構造に用いる部材が効率よく耐火性能及び消火性能を発揮し、かつ建築物の防火構造に用いる挿通部材のずれを抑制する区画貫通処理構造、区画貫通処理部材及び区画貫通処理方法を提供することを課題とする。 In view of the above problems, the present invention aims to provide a compartment penetration structure, a compartment penetration member, and a compartment penetration method that allow members used in the fire protection structure of a building to efficiently exhibit fire resistance and fire extinguishing performance, and that suppresses the misalignment of insertion members used in the fire protection structure of a building.
本発明は、下記［１］～［９］を要旨とする。
［１］建築物の仕切り部に形成され、かつ内部に長尺の挿通体が挿通される区画貫通部を防火構造とする区画貫通処理構造であって、前記区画貫通部にスリーブ状で挿入された挿通部材と、前記挿通部材の少なくとも一端部側、及び前記仕切り部に接し、前記挿通部材の位置を固定する係止部材と、前記挿通部材の少なくとも一端部側に設けられ、前記仕切り部に設けられる前記区画貫通部の開口と前記挿通体との間隙を覆うシート状の包覆部とを備える、区画貫通処理構造。
［２］前記包覆部が、前記挿通体の軸方向の動きに対する裕度を持って固定される、［１］に記載の区画貫通処理構造。
［３］前記包覆部が、外側から巻き付けられた紐状部材又は粘着テープ、及び、内側に配置された粘着層又は耐火材の少なくともいずれかによって前記挿通体に固定される、［１］又は［２］に記載の区画貫通処理構造。
［４］前記係止部材が、前記仕切り部と前記挿通部材との間隙を覆っている、［１］～［３］のいずれかに記載の区画貫通処理構造。
［５］前記係止部材が、前記仕切り部と前記挿通部材との間隙に入っている、［１］～［４］のいずれかに記載の区画貫通処理構造。
［６］前記係止部材が、前記仕切り部及び前記挿通部材の両端部側に接している、［１］～［５］のいずれかに記載の区画貫通処理構造。
［７］前記係止部材が、耐火材、発泡体、パテ材及びコーキング材からなる群から選ばれる１種以上である、［１］～［６］のいずれかに記載の区画貫通処理構造。
［８］建築物の仕切り部に形成され、かつ内部に長尺の挿通体が挿通される区画貫通部を防火構造とするために用いる区画貫通処理部材であって、スリーブ状である、又は、スリーブ状に変形可能な挿通部材と、前記仕切り部における前記挿通部材の位置を固定するための係止部材と、前記仕切り部に設けられる貫通孔と前記挿通体との間隙を覆うためのシート状の包覆部とを備える、区画貫通処理部材。
［９］建築物の仕切り部に形成され、かつ内部に長尺の挿通体が挿通される区画貫通部を防火構造とする区画貫通処理方法であって、［１］～［７］に記載の区画貫通処理構造及び［８］に記載の区画貫通処理部材の少なくともいずれかを前記区画貫通部に設ける工程を含む区画貫通処理方法。
The present invention relates to the following items [1] to [9].
[1] A compartment penetration processing structure that is formed in a partition of a building and has a compartment penetration portion through which a long penetrating body is inserted, the compartment penetration processing structure comprising: a penetrating member inserted in a sleeve-like shape into the compartment penetration portion; 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] The compartment penetration processing structure described in [1], wherein the covering portion is fixed with a tolerance for axial movement of the penetrating body.
[3] A compartment penetration processing structure as 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 an adhesive tape wrapped around the outside, and an adhesive layer or a 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] The compartment penetration treatment 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 insertion member into a sleeve-shaped shape; a locking member for fixing the position of the insertion member in the partition; and a sheet-shaped covering portion for covering the gap between a through hole provided in the partition and the insertion body.
[9] A compartment penetration processing method for making a compartment penetration portion formed in a partition of a building and having a fireproof structure, through which a long penetrating body is inserted, the method comprising the steps 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 portion.
本発明によれば、建築物の防火構造に用いる部材が効率よく耐火性能及び消火性能を発揮し、かつ建築物の防火構造に用いる挿通部材のずれを抑制する区画貫通処理構造、区画貫通処理部材及び区画貫通処理方法を提供することができる。 The present invention provides a compartment penetration structure, a compartment penetration member, and a compartment penetration method that allow components used in the fire protection structure of a building to efficiently exhibit fire resistance and fire extinguishing performance, and that suppress the displacement of insertion members used in the fire protection structure of a building.
以下、本発明について実施形態を用いてより詳細に説明する。 The present invention will be described in more detail below using an embodiment.
［第１の実施形態］
本発明の第１の実施形態に係る区画貫通処理構造は、図１に示すように、建築物の仕切り部１１に形成され、かつ内部に長尺の挿通体２１が挿通される区画貫通部１５を防火構造とする区画貫通処理構造である。
そして、本発明の第１の実施形態に係る区画貫通処理構造に用いる区画貫通処理部材は、挿通部材３と、係止部材４と、包覆部５とを備える。
[First embodiment]
The compartment penetration structure according to the first embodiment of the present invention is a compartment penetration structure having a fire-resistant compartment penetration portion 15 formed in a partition portion 11 of a building and having a long penetrating body 21 inserted therein, as shown in Figure 1.
The compartment penetration processing member used in the compartment penetration processing structure according to the first embodiment of the present invention comprises an insertion member 3 , a locking member 4 , and a covering portion 5 .
本発明の区画貫通処理構造における仕切り部１１は、建築物の壁面において区画間（第１の区画Ａと、第２の区画Ｂ）を仕切る部材であり、仕切り部１１の一方の外面１１Ａ側から他方の外面１１Ｂ側に貫通する区画貫通部１５を有する。図１で示す仕切り部１１は、中空壁であり、間隔（中空部１３）を介して配置される２枚の壁材（仕切り材）１２Ａ，１２Ｂから構成される。そのため、区画貫通部１５は、一方の壁材１２Ａに形成された貫通孔１３Ａと、他方の壁材１２Ｂに形成された貫通孔１３Ｂと、これらの間にある中空部１３によって構成される。そして、一方の壁材１２Ａの外面が仕切り部１１の外面１１Ａを構成し、他方の壁材１２Ｂの外面が仕切り部１１の外面１１Ｂを構成する。貫通孔１３Ａ，１３Ｂは、後述する挿通部材３が挿入されたときに、挿通部材３の外周面が、貫通孔１３Ａ，１３Ｂの内周面の形状に適合できるように、円形、楕円形、又は、これらに近似する形状を有すればよい。なお、外面１１Ａ、１１Ｂそれぞれにおいて貫通孔１３Ａ，１３Ｂは、仕切り部１１に設けられた区画貫通部１５の開口１３Ｃ，１３Ｄを構成する。 The partition 11 in the partition penetration treatment structure of the present invention is a member that separates partitions (first partition A and second partition B) in the wall surface of a building, and has a partition penetration part 15 that penetrates from one outer surface 11A side of the partition 11 to the other outer surface 11B side. The partition 11 shown in FIG. 1 is a hollow wall, and is composed of two wall materials (partition materials) 12A, 12B arranged with a gap (hollow part 13) between them. Therefore, the partition penetration part 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 a hollow part 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. The through holes 13A and 13B may have a circular, elliptical, or similar shape so that the outer peripheral surface of the insertion member 3, which will be described later, can fit the shape of the inner peripheral surface of the through holes 13A and 13B when the insertion member 3 is inserted. Note that the through holes 13A and 13B in the outer surfaces 11A and 11B, respectively, form the openings 13C and 13D of the partition penetration portion 15 provided in the partition portion 11.
〔挿通部材〕
挿通部材３は、区画貫通部１５にスリーブ状で挿入され、かつスリーブ内部に挿通体２１が通されるように区画貫通部１５に配設される。ここで、スリーブ状の挿通部材３は、区画貫通部１５において一方の貫通孔１３Ａから他方の貫通孔１３Ｂまで通されている。挿通部材３は、中空部１３と仕切り部１１の外部が連通することを防止することができる。
挿通部材３は、スリーブ状であるか、又は、スリーブ状に変形可能である。ここで、挿通部材３がスリーブ状に変形可能なものとは、シート状である挿通部材３を、端部と端部とを向かい合わせてスリーブ状に変形して区画貫通部１５に挿入するものをいう。シート状である挿通部材３は、当初からシート状のものに限られず、ロールから繰り出してシート状にしたものも含む。ただし、挿通部材３をスリーブ状に変形する際に、シート状である挿通部材３の端部同士は突き合わされる態様に限定されず、端部同士がオーバーラップするようにしてスリーブ状としてもよい。挿通部材３がスリーブ状に変形可能なものであることで、施工現場で貫通孔１３Ａ，１３Ｂの大きさに合わせて、挿通部材３の大きさを調整してスリーブ状にすることができるので、様々な大きさの区画貫通部１５に対応できる。シート状又はロール状の挿通部材３の厚さは特に限定されないが、例えば０．０１～１０ｍｍ、好ましくは０．０５～５ｍｍである。挿通部材３は、スリーブ状に変形可能なように、柔軟性を有するとよい。
[Insertion 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 passes 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 insertion member 3 is sleeve-shaped or can be deformed into a sleeve. Here, the insertion member 3 that can be deformed into a sleeve refers to a sheet-shaped insertion member 3 that is deformed into a sleeve shape with its ends facing each other and inserted into the partition penetration part 15. The sheet-shaped insertion member 3 is not limited to a sheet-shaped one from the beginning, and also includes a sheet-shaped one that is unrolled from a roll. However, when deforming the insertion member 3 into a sleeve shape, the ends of the sheet-shaped insertion member 3 are not limited to abutting each other, and the ends may be overlapped to form a sleeve shape. Since the insertion member 3 can be deformed into a sleeve shape, the size of the insertion member 3 can be adjusted to match the size of the through holes 13A and 13B at the construction site, so that it can be made into a sleeve shape, and therefore it can be used for partition penetration parts 15 of various sizes. The thickness of the sheet-shaped or roll-shaped insertion member 3 is not particularly limited, but is, for example, 0.01 to 10 mm, preferably 0.05 to 5 mm. The insertion member 3 may have flexibility so that it can be deformed into a sleeve shape.
挿通部材３は、耐火材から構成される。耐火材は、加熱により膨張する熱膨張性部材であることが好ましい。熱膨張性部材は、火災時に膨張することで火災の延焼を防止する。
熱膨張性部材は、熱膨張性樹脂組成物より形成される。熱膨張性樹脂組成物は、樹脂成分と、熱膨張性材料を含有する。挿通部材３が、樹脂成分を含有する熱膨張性樹脂組成物により形成されることで、挿通部材３の湾曲形状の形成や変形が容易となり、上記のとおりにスリーブ状にすることができる。
熱膨張性材料としては、熱膨張性無機物が挙げられる。熱膨張性無機物を使用することで、火災の加熱により適切に膨張され、また、膨張後の膨張残渣の機械強度が優れ、耐火性を良好にしやすくなる。なお、ここでいう熱膨張性材料とは、後述する成形などによって実質的に膨張せず、熱膨張性樹脂組成物は、熱膨張性部材において熱膨張性が維持される。
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. The thermally expandable resin composition contains a resin component and a thermally expandable material. By forming the insertion member 3 from a thermally expandable resin composition containing a resin component, it becomes easy to form or deform the curved shape of the insertion member 3, and it is possible to form the insertion member 3 into a sleeve shape as described above.
The thermally expandable material may be a thermally expandable inorganic material. 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, which makes it easier to improve fire resistance. Note that the thermally expandable material referred to here does not substantially expand due to molding, etc., which will be described later, and the thermally expandable resin composition maintains its thermal expandability in the thermally expandable member.
熱膨張性材料の膨張開始温度は、特に限定されないが、例えば、１５０～３５０℃であることが好ましく、１７０～３００℃であることがより好ましく、１８０～２８０℃であることが更に好ましい。これら下限値以下とすることで、火災以外の加熱により、熱膨張性材料が誤って膨張することを防止する。また、上限値以下とすることで、火災の加熱により確実に熱膨張性材料を膨張させやすくなる。
また、熱膨張性材料の膨張開始温度は、所定量（例えば、１００ｍｇ）の熱膨張性材料を一定の昇温速度（例えば、１０℃／分）で昇温させ、法線方向の力が立ち上がる温度を計測することにより測定可能である。測定装置としては測定温度制御が可能であり、かつ法線方向の応力を測定できるものであればよく、例えばレオメーターを使用すればよい。
熱膨張性部材の膨張倍率は３倍以上であることが好ましく、１０倍以上が好ましい。膨張倍率の上限は、特に限定されないが、例えば５０倍である。なお、膨張倍率は、熱膨張性部材を電気炉に供給し、６００℃で３０分間加熱した後、試験片の厚さを測定し、（加熱後の試験片の厚さ）／（加熱前の試験片の厚さ）により算出するとよい。
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 below these lower limits, the thermally expandable material is prevented from accidentally expanding due to heating other than fire. Also, by setting the temperature below the upper limits, the thermally expandable material is more likely to expand reliably due to heating from fire.
The expansion start 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 starts. Any measuring device can be used as long as it is capable of controlling the measurement temperature and measuring the normal stress, and for example, a rheometer 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 may be calculated by feeding the thermally expandable member into an electric furnace, heating it at 600°C for 30 minutes, measuring the thickness of a test piece, and calculating the expansion ratio by (thickness of test piece after heating)/(thickness of test piece before heating).
以下、熱膨張性材料が、熱膨張性黒鉛である場合の熱膨張性樹脂組成物について詳細に説明する。熱膨張性樹脂組成物の樹脂成分としては、例えば、熱可塑性樹脂、熱硬化性樹脂、エラストマーが挙げられる。
熱可塑性樹脂の例としては、ポリ塩化ビニル（ＰＶＣ）、塩素化ポリ塩化ビニル樹脂（ＣＰＶＣ）、フッ素樹脂、ポリフェニレンエーテル、変性ポリフェニレンエーテル、ポリフェニレンスルフィド、ポリカーボネート、ポリエーテルイミド、ポリエーテルエーテルケトン、ポリアリレート、ポリアミド、ポリアミドイミド、ポリブタジエン、ポリイミド、アクリル樹脂、ポリアセタール、ポリアミド、ポリエチレン（ＰＥ）およびポリプロピレン（ＰＰ）、エチレン酢酸ビニル（ＥＶＡ）等のポリオレフィン、エチレン－プロピレン－ジエン共重合体（ＥＰＤＭ）、クロロプレン（ＣＲ）、ポリエチレンテレフタレート、ポリブチレンテレフタレートなどのポリエステル、ポリカーボネート、ポリスチレン（ＰＳ）、ポリフェニレンサルファイド、アクリロニトリル－ブタジエン－スチレン共重合体（ＡＢＳ）、アクリロニトリル－スチレン－アクリロニトリル共重合体（ＡＳＡ）、アクリロニトリル／エチレン－プロピレン－ジエン／スチレン共重合体（ＡＥＳ）等が挙げられる。
硬化性樹脂の例としてはエポキシ樹脂、フェノール樹脂、メラミン樹脂、尿素樹脂、不飽和ポリエステル樹脂、アルキド樹脂、ポリウレタン、熱硬化性ポリイミド等が挙げられる。
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.
エラストマーの例としては、天然ゴム、シリコーンゴム、スチレン・ブタジエンゴム、イソプレンゴム、ブタジエンゴム、クロロプレンゴム、アクリロニトリル・ブタジエンゴム、ニトリルブタジエンゴム、ブチルゴム、エチレン・プロピレンゴム、エチレン・プロピレン・ジエンゴム、ウレタンゴム、シリコーンゴム、およびフッ素ゴム等のゴムが挙げられる。また、オレフィン系熱可塑性エラストマー（ＴＰＯ）、スチレン系熱可塑性エラストマー（ＴＰＳ）、エステル系熱可塑性エラストマー、アミド系熱可塑性エラストマー、および塩化ビニル系熱可塑性エラストマー等の熱可塑性エラストマーも挙げられる。
熱膨張性樹脂組成物の樹脂成分は、１種であってもよいし２種以上を組み合わせてもよい。
Examples of elastomers include rubbers such as 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. In addition, examples of thermoplastic elastomers include 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.
熱膨張性樹脂組成物は、可塑剤を含有してもよい。可塑剤は、樹脂成分がポリ塩化ビニル樹脂などの熱可塑性樹脂である場合に好ましく使用される。可塑剤の具体的としては、例えば、ジ－２－エチルヘキシルフタレート（ＤＯＰ）、ジブチルフタレート（ＤＢＰ）、ジヘプチルフタレート（ＤＨＰ）、ジイソデシルフタレート（ＤＩＤＰ）等のフタル酸エステル可塑剤、ジ－２－エチルヘキシルアジペート（ＤＯＡ）、ジイソブチルアジペート（ＤＩＢＡ）、ジブチルアジペート（ＤＢＡ）等のアジピン酸エステルや、アジピン酸ポリエステルなどの脂肪酸エステル可塑剤、エポキシ化大豆油等のエポキシ化エステル可塑剤、トリー２－エチルヘキシルトリメリテート（ＴＯＴＭ）、トリイソノニルトリメリテート（ＴＩＮＴＭ）等のトリメリット酸エステル可塑剤、トリメチルホスフェート（ＴＭＰ）、トリエチルホスフェート（ＴＥＰ）等の燐酸エステル可塑剤、鉱油等のプロセスオイルなどが挙げられる。
可塑剤は、１種であってもよいし２種以上を組み合わせてもよい。
熱膨張性樹脂組成物が可塑剤を含有する場合、熱膨張性樹脂組成物における可塑剤の含有量は、樹脂成分１００質量部に対して、例えば０．３質量部以上１５０質量部以下の範囲であり、好ましくは１０質量部以上１００質量部以下の範囲である。
可塑剤は、これら下限値以上とすると、成形性が良好になりやすく、上限値以下となると、成形体に適度な強度が付与される。
The thermally expandable resin composition may contain a plasticizer. The 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), 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 (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 used alone or in combination of two or more kinds.
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 more than these lower limits, good moldability is likely to be achieved, and when the amount is equal to or less than the upper limits, appropriate strength is imparted to the molded article.
樹脂成分と可塑剤の合計含有量は、樹脂組成物全量基準で、１０質量％以上９０質量％以下が好ましく、２５質量％以上８０質量％以下がより好ましく、４０質量％以上７０質量％以下がさらに好ましい。これら下限値以上とすることで、熱膨張性部材の成形性などを良好にできる。また、柔軟性を確保して、スリーブ状に変形可能にしやすくなる。また、上限値以下とすることで、熱膨張性黒鉛、無機充填剤などの成分を十分な量配合することが可能になる。
なお、樹脂成分と可塑剤の合計含有量とは、樹脂成分と可塑剤の両方が含有される場合には、これらの合計含有量を意味し、可塑剤を含有しない場合には樹脂成分単独の含有量を意味する。
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 making it equal to or more than 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 making it equal to or less than the upper limit, it becomes possible to blend sufficient amounts of components such as thermally expandable graphite and inorganic fillers.
In addition, 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.
熱膨張性黒鉛は、従来公知の物質であり、天然鱗片状グラファイト、熱分解グラファイト、キッシュグラファイト等の粉末を、濃硫酸、硝酸、セレン酸等の無機酸と、濃硝酸、過塩素酸、過塩素酸塩、過マンガン酸塩、重クロム酸塩、過酸化水素等の強酸化剤とにより処理してグラファイト層間化合物を生成させたものである。生成された熱膨張性黒鉛は炭素の層状構造を維持したままの結晶化合物である。
本発明に使用される熱膨張性黒鉛は、酸処理して得られた熱膨張性黒鉛がアンモニア、脂肪族低級アミン、アルカリ金属化合物、アルカリ土類金属化合物等で中和されたものなども使用することもできる。
脂肪族低級アミンとしては、例えば、モノメチルアミン、ジメチルアミン、トリメチルアミン、エチルアミン、プロピルアミン、ブチルアミン等が挙げられる。
アルカリ金属化合物およびアルカリ土類金属化合物としては、例えば、カリウム、ナトリウム、カルシウム、バリウム、マグネシウム等の水酸化物、酸化物、炭酸塩、硫酸塩、有機酸塩等が挙げられる。
Thermally expandable graphite is a conventionally known substance, and is produced by treating powders of natural flake graphite, pyrolytic graphite, kish graphite, etc. with inorganic acids such as concentrated sulfuric acid, nitric acid, selenic acid, etc., and strong oxidizing agents such as concentrated nitric acid, perchloric acid, perchlorates, permanganates, dichromates, hydrogen peroxide, etc. 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 treating with an acid and then neutralizing the same 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.
熱膨張性黒鉛の粒度は、特に限定されないが、２０～２００メッシュの範囲のものが好ましい。粒度は、下限値以上となると黒鉛の膨張度が大きくなりやすく、発泡性が良好になる。また、上限値以下とすることで、樹脂と混練する際の分散性が良好となり、成形性が向上する。 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. Also, by keeping the particle size below the upper limit, the dispersibility when kneaded with the resin is good, improving moldability.
熱膨張性樹脂組成物における熱膨張性黒鉛の含有量は、樹脂成分１００質量部に対して、例えば３質量部以上３００質量部以下である。熱膨張性黒鉛の含有量は、３質量部以上となることで、熱膨張性が良好となる。また、３００質量部以下となることで、成形性が良好となり、シール部材の表面性、機械的物性、柔軟性なども良好となる。これら観点から、熱膨張性黒鉛の含有量は、好ましくは１０質量部以上２００質量部以下の範囲であり、より好ましくは１５質量部以上１００質量部以下の範囲である。 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. 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, and more preferably in the range of 15 parts by mass or more and 100 parts by mass or less.
熱膨張性樹脂組成物は、さらに無機充填材を含有してもよい。無機充填材は、一般に熱膨張性樹脂組成物に使用されている無機充填材であれば、特に限定はない。具体的には、例えば、シリカ、珪藻土、アルミナ、酸化亜鉛、酸化チタン、酸化カルシウム、酸化マグネシウム、酸化鉄、酸化錫、酸化アンチモン、フェライト類、水酸化カルシウム、水酸化マグネシウム、水酸化アルミニウム、塩基性炭酸マグネシウム、炭酸カルシウム、炭酸マグネシウム、炭酸亜鉛、炭酸バリウム、ドーンナイト、ハイドロタルサイト、硫酸カルシウム、硫酸バリウム、石膏繊維、ケイ酸カルシウム、タルク、クレー、マイ力、モンモリロナイト、ベントナイト、活性白土、セビオライト、イモゴライト、セリサイト、ガラス繊維、ガラスビーズ、シリカバルン、窒化アルミニウム、亜リン酸アルミニウム、窒化ホウ素、窒化ケイ素、カーボンブラック、グラファイト、炭素繊維、炭素バルン、木炭粉末、各種金属粉、チタン酸カリウム、硫酸マグネシウム、チタン酸ジルコニア鉛、アルミニウムボレート、硫化モリブデン、炭化ケイ素、ステンレス繊維、ホウ酸亜鉛、各種磁性粉、スラグ繊維、フライアッシュ、脱水汚泥等が挙げられる。無機充填材は一種もしくは二種以上を使用することができる。
無機充填剤を含有する場合、熱膨張性樹脂組成物における無機充填材の含有量は、樹脂成分１００質量部に対して、好ましく３質量部以上２００質量部以下の範囲であり、より好ましくは１０質量部以上１５０質量部以下の範囲である。
The thermally expandable resin composition may further contain an inorganic filler. There are no particular limitations on the inorganic filler, so long as it is an inorganic filler that is generally used in thermally expandable resin compositions. Specific examples of the inorganic filler 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, myca, 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, dehydrated sludge, etc. One or more types of inorganic fillers can be used.
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, relative to 100 parts by mass of the resin component.
本発明に使用する熱膨張性樹脂組成物は、本発明の目的が損なわれない範囲で、必要に応じて各種の添加成分を含有させることができる。
この添加成分の種類は特に限定されず、各種添加剤を用いることができる。このような添加剤として、例えば、滑剤、収縮防止剤、結晶核剤、着色剤（顔料、染料等）、紫外線吸収剤、酸化防止剤、老化防止剤、補強剤、難燃助剤、帯電防止剤、界面活性剤、加硫剤、及び表面処理剤等が挙げられる。添加成分の添加量は成形性等を損なわない範囲で適宜選択できる。添加成分は、単独でも、２種以上を組み合わせて用いてもよい。
The thermally expandable resin composition used in the present invention can 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, shrinkage inhibitors, crystal nucleating agents, colorants (pigments, dyes, etc.), ultraviolet absorbers, antioxidants, antiaging agents, reinforcing agents, flame retardant assistants, 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 components may be used alone or in combination of two or more.
本発明に使用する熱膨張性樹脂組成物は、樹脂、熱膨張性無機物及び任意成分をビーズミル、バンバリーミキサー、ニーダーミキサー、混練ロール、ライカイ機、及び遊星式撹拌機等の公知の装置を用いて混合することにより得ることができる。 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, and planetary mixer.
〔係止部材〕
係止部材４は、仕切り部１１及び挿通部材３の少なくとも一端部３０側に接し、挿通部材３の位置を固定する。係止部材４は、外面１１Ａにおいて貫通孔１３Ａ（すなわち、一方の開口１３Ｃ）の外周に係止され、挿通部材３の一端部３０側が仕切り部１１に固定されることになる。なお、係止部材４の形状は、特に限定されず、例えば、ブロック状、柱状及び点状等が挙げられる。
[Latching member]
The locking member 4 contacts the partition portion 11 and at least one end portion 30 of the inserting member 3, and fixes the position of the inserting member 3. The locking member 4 is locked to the outer periphery of the through-hole 13A (i.e., one opening 13C) on the outer surface 11A, and one end portion 30 of the inserting member 3 is fixed to the partition portion 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.
係止部材４は、仕切り部１１及び挿通部材３を係止可能な材料であれば特に限定されず、例えば、耐火材、発泡体、パテ材及びコーキング材等が挙げられ、これら２種以上を複合した複合材料であってもよい。耐火材としては、耐火性を有する材料であれば特に限定されず、上記の熱膨張性材料を含有する熱膨張性樹脂組成物により形成される耐火材であることが好ましい。耐火材の詳細は、上記の通りである。発泡体は、発泡ポリエチレン、発泡ポリプロピレン、発泡ポリスチレン及び発泡ポリウレタン等が挙げられる。パテ材及びコーキング材は、シリコーン系樹脂、アクリル系樹脂及びウレタン系樹脂等の合成樹脂系材料を主成分に充填材及び難燃剤等を配合してなるものが挙げられる。
係止部材４は、挿通部材３と同じ材料からなる場合には、挿通部材３と一体に形成してもよい。また、挿通部材３と同じ材料又は異なる材料からなる場合には、別体として仕切り部１１及び挿通部材３と接するように設けられる。
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 fireproof materials, foams, putty materials, and caulking materials, and may be composite materials made by combining two or more of these. The fireproof material is not particularly limited as long as it is a material having fire resistance, and is preferably a fireproof material formed from a thermally expandable resin composition containing the above-mentioned thermally expandable material. Details of the fireproof material are as described above. Examples of the foam include expanded polyethylene, expanded polypropylene, expanded polystyrene, and expanded polyurethane. Examples of the putty and caulking materials include those made by blending a filler, a flame retardant, and the like with a synthetic resin material such as a silicone resin, an acrylic resin, and a urethane resin as the main component.
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.
係止部材４は、図２に示すように、仕切り部１１と挿通部材３との間に、間隙４０が形成されてしまう場合、間隙４０を塞ぐように設けられることが好ましい。具体的には、図２（ａ）に示すように、係止部材４が、仕切り部１１と挿通部材３との間隙４０を覆うように配置されることで、間隙４０を塞ぐことができる。また、図２（ｂ）に示すように、係止部材４が、仕切り部１１と挿通部材３との間隙４０に入るように配置されることで、間隙４０を塞ぐことができる。このように、係止部材４によって、仕切り部１１と挿通部材３との間に形成される間隙４０を塞ぐことで、区画貫通部１５の耐火性を向上させることができる。
係止部材４が、例えば、耐火材、発泡体、パテ材及びコーキング材である場合には、図２（ａ）のような構成とすることが好ましい。また、係止部材４が、パテ材及びコーキング材である場合には、間隙４０に入れることが容易であるので、図２（ｂ）のような構成とすることが好ましい。また、係止部材４が、耐火材又は発泡体と、パテ材又はコーキング材の組み合わせたものでもよく、全てを組み合わせてもよく、その場合でもパテ材又はコーキング材を間隙４０に入れることが好ましい。
As shown in Fig. 2, when 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 making it possible to close 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 making it possible to close 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, it is possible to improve the fire resistance of the compartment penetration part 15.
When the locking member 4 is, for example, a fireproof material, a foam, a putty material, or a caulking material, it is preferable to have the configuration as shown in Fig. 2(a). When the locking member 4 is a putty material or a caulking material, it is preferable to have the configuration as 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 and a putty material or a caulking material, or may be a combination of all of them, and in that case, it is preferable to insert the putty material or the caulking material into the gap 40.
〔包覆部〕
包覆部５は、挿通部材３の少なくとも一端部側に設けられ、仕切り部１１に設けられる区画貫通部１５の開口１３Ｄと挿通体２１との間隙５０を覆うシート状のものである。包覆部５が挿通部材３の少なくとも一端部３１側に設けられる手段としては、例えば、接着剤、粘着剤及び粘着テープなどの公知の固定手段によって固定される手段が挙げられる。ここで、接着剤、粘着剤及び粘着テープは、不燃材料、準不燃材料又は難燃材料のいずれかであることが好ましく、接着剤、粘着剤などに難燃剤などを配合するとよい。
[Covering part]
The covering portion 5 is provided on at least one end side of the insertion member 3, and is in the form of a sheet that covers a gap 50 between the opening 13D of the compartment penetration portion 15 provided in the partition portion 11 and the insertion body 21. Examples of a means for providing the covering portion 5 on at least one end side 31 of the insertion member 3 include a means for fixing the covering portion 5 by a known fixing means such as an adhesive, a pressure-sensitive adhesive, or an adhesive tape. Here, the adhesive, pressure-sensitive adhesive, or adhesive tape is preferably any of a noncombustible material, a semi-noncombustible material, or a flame-retardant material, and a flame retardant may be blended into the adhesive, pressure-sensitive adhesive, or the like.
包覆部５は、図１に示したように、区画貫通部１５の開口１３Ｄを覆う部分が、挿通体２１を包囲し、かつ外側から巻かれた紐状部材２２によって挿通体２１に固定される。紐状部材２２は、曲げることができる部材であればよく、ワイヤを含むワイヤ部材であることが好ましい。ワイヤ部材は、金属製のワイヤ単独でもよいし、ねじりっこ（登録商標）などの金属製のワイヤを樹脂で被覆した樹脂被覆ワイヤ、モールなどと呼ばれるワイヤと繊維を絡ませたものなどでもよい。ワイヤ部材を使用すると、ひねったり、ねじったりするだけで、包覆部５を挿通体２１に固定できる。 As shown in FIG. 1, the covering portion 5, which covers the opening 13D of the compartment penetration portion 15, surrounds the insert 21 and is fixed to the insert 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 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 such as a mould. When a wire member is used, the covering portion 5 can be fixed to the insert 21 simply by twisting or twisting it.
包覆部５は、挿通体２１の軸方向の動きに対する裕度を持って固定される。包覆部５が裕度を持って挿通体２１に固定されることで、挿通部材３の設置後に、挿通部材３の内側に配置された挿通体２１を軸方向に動かした場合であっても、包覆部５の裕度によって挿通部材３が挿通体２１と一緒に動いてしまうことを緩衝し、挿通部材３が区画貫通部１５からずれることを抑制することができる。つまり、このような構成とすることで、挿通部材３を区画貫通部１５における適切な位置に維持して配置し続けることができ、区画貫通部１５の耐火性を維持することができる。
包覆部５が挿通体２１の軸方向の動きに対して裕度を持って固定される構成としては、例えば、包覆部５の少なくとも一部が屈曲ないし湾曲できるような柔軟性や伸縮性を有する材料による構成、及び、包覆部５の少なくとも一部が挿通体２１に対してたるみを有するように固定する構成等が挙げられる。
The covering portion 5 is fixed with a tolerance for the 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 suppress 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 insert 21 include a configuration in which at least a part 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 part of the covering portion 5 is fixed so as to have slack relative to the insert 21.
包覆部５は、不燃材料で構成されるとよい。なお、不燃材料とは、建築基準法及び建築基準法施行令において定められるものである。包覆部５としては、具体的には、アルミニウム箔などの金属箔、ガラスクロス、アルミガラスクロスなどの金属箔とガラスクロスの複合体などが挙げられる。これらのなかでは、防火性の観点からアルミガラスクロスが好ましい。
包覆部５の厚みは、例えば０．０１～１ｍｍ、好ましくは０．０５～０．５ｍｍである。
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. Among 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, and preferably 0.05 to 0.5 mm.
以下に、スリーブ状である挿通部材３を備える区画貫通処理部材を用いる区画貫通処理方法の具体例について説明する。
図３に示すように、予めスリーブ状に成形した挿通部材３を用意する。また、挿通部材３の一端部３１側に包覆部５が設けられている。
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 side of the inserting member 3.
スリーブ状である挿通部材３は、図３に示すように、配置した後、貫通孔１３Ａより外側には、挿通部材３の一端部３０が延出され、延出された挿通部材３と貫通孔１３Ａの外周に接するように係止部材４を配置する。係止部材４が配置されることで、挿通部材３の位置が固定される。係止部材４は、耐火材、発泡体、パテ材及びコーキング材のいずれであってもよい。係止部材４として、耐火材及び発泡体を用いる場合は、予め環状に成形したものを用意し、挿通部材３を区画貫通部１５に配置した後に設置することができる。係止部材４として、パテ材及びコーキング材を用いる場合は、挿通部材３を区画貫通部１５に配置した後に、挿通部材３に施工して設けることができる。 As shown in FIG. 3, after the sleeve-shaped insertion member 3 is placed, one end 30 of the insertion member 3 is extended outward from the through hole 13A, and the locking member 4 is placed so that the extended insertion member 3 and the outer periphery of the through hole 13A are in contact. The position of the insertion member 3 is fixed by placing the locking member 4. The locking member 4 may be any of fireproof material, foam, putty, and caulking material. When fireproof material and foam are used as the locking member 4, they can be prepared in advance as rings and installed after the insertion member 3 is placed in the partition penetration part 15. When putty and caulking material are used as the locking member 4, they can be applied to the insertion member 3 after the insertion member 3 is placed in the partition penetration part 15.
スリーブ状である挿通部材３は、図３に示すように、区画貫通部１５に配置した後、貫通孔１３Ｂより外側には、挿通部材３の一端部３１に設けられた包覆部５が延出される。貫通孔１３Ｂより延出する包覆部５は、適宜曲げられたり折られたりして、縮径させられ、挿通体２１の外周に密接しつつ包囲する。そして、包覆部５は、その包囲する部分に紐状部材２２が巻き付けられ、その紐状部材２２によって挿通体２１に固定され、これにより、区画貫通部１５の一方の開口１３Ｄが、包覆部５により覆われることになる。 As shown in FIG. 3, the sleeve-shaped insertion member 3 is placed in the partition penetration portion 15, and then 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 appropriately bent or folded 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, and the covering portion 5 is fixed to the insertion body 21 by the string-like member 22, so that one opening 13D of the partition penetration portion 15 is covered by the covering portion 5.
以下に、スリーブ状に変形可能な挿通部材３を備える区画貫通処理部材を用いる区画貫通処理方法の具体例について説明する。
スリーブ状に変形可能な挿通部材３は、シート状であり、図４に示すように、一方の面の一端部３０側に係止部材４が積層されている。また、挿通部材３の一端部３１側に包覆部５が設けられている。係止部材４は、図４の構成では、発泡体、耐火材が好ましい。また、係止部材４の端部同士も突き合わされることが好ましい。
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 insertion member 3, which can be deformed into a sleeve shape, is in the form of a sheet, and as shown in Fig. 4, the locking member 4 is laminated on one end 30 side of one surface. Also, a covering portion 5 is provided on one end 31 side of the insertion member 3. In the configuration shown in Fig. 4, the locking member 4 is preferably made of a foam or a fireproof material. Also, it is preferable that the ends of the locking members 4 are butted against each other.
スリーブ状に変形可能な挿通部材３は、図５に示すように、区画貫通部１５を構成する貫通孔１３Ａ，１３Ｂの内周面の形状に適合するようにスリーブ状に変形する。すなわち、挿通部材３は、その外周面が、貫通孔１３Ａ，１３Ｂの内周面の形状に沿うようにスリーブ状にするとよい。貫通孔１３Ａ，１３Ｂの内周面の形状は、一般的に、円、楕円、またはこれらに近似する形状であるので、挿通部材３は丸められてスリーブ状にされるとよく、円、楕円、又はこれらに近似する形状にされるとよい。
また、挿通部材３がスリーブ状にされる際に、端部同士は突き合わされるが、この際、端部同士は、接着剤、粘着剤及び粘着テープなどにより接着されてもよい。ここで、接着剤、粘着剤及び粘着テープは、不燃材料、準不燃材料又は難燃材料のいずれかであることが好ましく、接着剤、粘着剤などに難燃剤などを配合するとよい。粘着テープは、基材と、基材の一方の面に設けられた粘着剤層とを備えるが、基材及び粘着剤層それぞれが、不燃材料、準不燃材料又は難燃材料のいずれかで構成されるとよい。ただし、挿通部材３がスリーブ状にされる際に、端部同士は突き合わされる態様に限定されず、端部同士がオーバーラップするようにしてスリーブ状としてもよい。
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 surface of the through holes 13A, 13B that constitute the partition penetration part 15. That is, the inserting member 3 may be formed into a sleeve shape so that its outer peripheral surface conforms to the shape of the inner peripheral surface of the through holes 13A, 13B. Since the shape of the inner peripheral surface of the through holes 13A, 13B is generally a circle, an ellipse, or a shape similar thereto, the inserting member 3 may be rolled into a sleeve shape, and may be formed into a circle, an ellipse, or a shape similar thereto.
In addition, when the insertion member 3 is formed into a sleeve shape, the ends are butted together, and at this time, the ends may be bonded together by an adhesive, a pressure-sensitive adhesive, an adhesive tape, or the like. 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 a flame retardant may be blended into the adhesive, the pressure-sensitive adhesive, or the like. The adhesive tape includes a substrate and an adhesive layer provided on one side of the substrate, and each of the substrate and the adhesive layer is preferably made of a non-combustible material, a semi-non-combustible material, or a flame-retardant material. However, when the insertion member 3 is formed into a sleeve shape, the ends are not limited to being butted together, and the ends may be overlapped to form a sleeve shape.
スリーブ状の挿通部材３を区画貫通部１５に配置した後、貫通孔１３Ｂより外側には、挿通部材３の一端部３１に設けられた包覆部５が延出される。貫通孔１３Ｂより延出する包覆部５は、適宜曲げられたり折られたりして、縮径させられ、挿通体２１の外周に密接しつつ包囲する。そして、包覆部５は、その包囲する部分に紐状部材２２が巻き付けられ、その紐状部材２２によって挿通体２１に固定され、これにより、区画貫通部１５の一方の開口１３Ｄが、包覆部５により覆われることになる。
スリーブ状の挿通部材３を区画貫通部１５に配置した後、仕切り部１１と挿通部材３との間に、間隙が形成されてしまう場合、間隙を塞ぐように、さらに、パテ材及びコーキング材を用いて係止部材４を形成することが好ましい。
After the sleeve-shaped inserting member 3 is placed in the compartment penetrating 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 out from the through hole 13B is appropriately bent or folded to reduce its diameter and surround the outer periphery of the inserting body 21 in close contact therewith. 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, whereby one opening 13D of the compartment penetrating 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.
本発明の第１の実施形態に係る区画貫通処理構造によれば、挿通部材３によって、中空部１３と仕切り部１１の外部が連通することが防止されるとともに、区画貫通部１５の一方の開口１３Ｄが、包覆部５によって覆われるので、区画貫通部１５の一方の開口１３Ｃと他方の開口１３Ｄとが連通することを防止することができる。よって、第１の実施形態に係る区画貫通処理構造は、区画貫通部１５を適切な防火構造とすることができる。
また、本発明の第１の実施形態に係る区画貫通処理構造によれば、係止部材４と包覆部５によって挿通部材３の区画貫通部１５におけるずれを抑制することができ、区画貫通部１５の耐火性を維持することができる。
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, so that it is possible to prevent communication between one opening 13C of the compartment penetration portion 15 and the other opening 13D. Therefore, the compartment penetration structure of the first embodiment can provide the compartment penetration portion 15 with 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 insertion member 3 at the compartment penetration portion 15, thereby maintaining the fire resistance of the compartment penetration portion 15.
［第２の実施形態］
第２の実施形態において第１の実施形態と相違する点は、図６に示すように、区画貫通処理部材の挿通部材３、係止部材４及び包覆部５の積層構造が異なる点である。以下、第２の実施形態について、第１の実施形態との相違点を説明する。また、以下では、異なる実施形態の説明でも、同一の構成を有する部材には同一の符号を付す。
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 Fig. 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 members having the same configuration.
本実施形態に係る区画貫通処理部材は、図６に示すように、挿通部材３の一方の面上に、包覆部５が積層されている。包覆部５は、挿通部材３の一端部３１から延出するように積層されている。そして、挿通部材３の一端部３０側に積層された包覆部５上に、係止部材４が積層されている。本実施形態では、包覆部５上に挿通部材を積層する構成とすることで、挿通部材３は、包覆部５上に熱膨張性樹脂組成物を塗布などにより形成すればよいので、その製造を容易に行える。
スリーブ状に変形可能な挿通部材３は、図７に示すように、区画貫通部１５を構成する貫通孔１３Ａ，１３Ｂの内周面の形状に適合するようにスリーブ状に変形する。
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 insertion member 3. The covering portion 5 is laminated so as to extend from one end portion 31 of the insertion member 3. The locking member 4 is laminated on the covering portion 5 laminated on the one end portion 30 side of the insertion member 3. In this embodiment, by adopting a configuration in which the insertion member is laminated on the covering portion 5, the insertion member 3 can be easily manufactured by forming it by applying a thermally expandable resin composition on 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 partition through portion 15, as shown in FIG.
スリーブ状の挿通部材３を区画貫通部１５に配置した後、貫通孔１３Ｂより外側には、挿通部材３の一端部３１に設けられた包覆部５が延出される。貫通孔１３Ｂより延出する包覆部５は、適宜曲げられたり折られたりして、縮径させられ、挿通体２１の外周に密接しつつ包囲する。そして、包覆部５は、その包囲する部分に紐状部材２２が巻き付けられ、その紐状部材２２によって挿通体２１に固定され、これにより、区画貫通部１５の一方の開口１３Ｄが、包覆部５により覆われることになる。
スリーブ状の挿通部材３を区画貫通部１５に配置した後、仕切り部１１と挿通部材３との間に、間隙が形成されてしまう場合、間隙を塞ぐように、さらに、パテ材及びコーキング材を用いて係止部材４を形成することが好ましい。
After the sleeve-shaped inserting member 3 is placed in the compartment penetrating 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 out from the through hole 13B is appropriately bent or folded to reduce its diameter and surround the outer periphery of the inserting body 21 in close contact therewith. 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, whereby one opening 13D of the compartment penetrating 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.
［第３の実施形態］
第３の実施形態において第１の実施形態と相違する点は、図８に示すように、係止部材４（４Ａ，４Ｂ）が、仕切り部１１及び挿通部材３の両端部側に接している点である。以下、第３の実施形態について、第１の実施形態との相違点を説明する。また、以下では、異なる実施形態の説明でも、同一の構成を有する部材には同一の符号を付す。
[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 sides of the partition portion 11 and the insertion member 3. The differences between the first embodiment and the third embodiment will be described below. In the following description of different embodiments, the same reference numerals will be used to designate members having the same configuration.
本実施形態における区画貫通処理構造は、図８に示すように、仕切り部１１及び挿通部材３の一端部１３Ａ側に係止部材４Ａが接して設けられており、他端部１３Ｂ側に係止部材４Ｂが接して設けられている。係止部材４Ａ，４Ｂは、同じ材料からなるものであってもよく、異なる材料からなるものであってもよい。
係止部材４Ａ，４Ｂは、仕切り部１１及び挿通部材３の両端部１３Ａ，１３Ｂ側に接し、仕切り部１１の両端部１３Ａ，１３Ｂ側で挿通部材３の動きを抑制する。
係止部材４Ａ，４Ｂは、両端部１３Ａ，１３Ｂ側において、仕切り部１１と挿通部材３との間に間隙が形成されてしまう場合に、間隙を塞ぐことができる。
8, in the compartment penetration processing structure in this embodiment, a locking member 4A is provided in contact with one end 13A side of the partition portion 11 and the insertion member 3, and a locking member 4B is provided in contact with the other end 13B side. The locking members 4A and 4B may be made of the same material or different materials.
The locking members 4A, 4B contact the partition portion 11 and both end portions 13A, 13B of the inserting member 3, and restrict the movement of the inserting member 3 at both end portions 13A, 13B of the partition portion 11.
When a gap is formed between the partition portion 11 and the insertion member 3 on the both end portions 13A, 13B side, the locking members 4A, 4B can close the gap.
本実施形態に係る区画貫通処理部材としては、例えば、図９に示すように、挿通部材３の一方の面の一端部３０側に係止部材４Ａが積層され、他端部３１側に係止部材４Ｂが積層されている。また、挿通部材３の一端部３１側に包覆部５が設けられている。
また、本実施形態に係る区画貫通処理部材としては、例えば、図１０に示すように、挿通部材３の一方の面上に、包覆部５が積層されている。包覆部５は、挿通部材３の一端部３１から延出するように積層されている。そして、挿通部材３の一端部３０側に積層された包覆部５上に、係止部材４Ａが積層され、他端部３１側に積層された包覆部５上に、係止部材４Ｂが積層されている。
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 insertion 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 insertion member 3.
10, the compartment penetration processing member according to this embodiment has a covering portion 5 laminated on one surface of an insertion member 3. The covering portion 5 is laminated so as to extend from one end 31 of the insertion member 3. A locking member 4A is laminated on the covering portion 5 laminated on the one end 30 side of the insertion member 3, and a locking member 4B is laminated on the covering portion 5 laminated on the other end 31 side.
以下に、本実施形態に係る区画貫通処理部材を用いる区画貫通処理方法の具体例について説明する。
スリーブ状に変形可能な挿通部材３は、図１１に示すように、区画貫通部１５を構成する貫通孔１３Ａ，１３Ｂの内周面の形状に適合するようにスリーブ状に変形する。このとき、係止部材４Ｂが貫通孔１３Ａ，１３Ｂを通過できる程度に、挿通部材３を縮径する必要がある。
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 peripheral surface of the through holes 13A, 13B that constitute the partition penetrating part 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, 13B.
スリーブ状の挿通部材３を区画貫通部１５に配置した後、貫通孔１３Ｂより外側には、挿通部材３の一端部３１に設けられた包覆部５が延出される。貫通孔１３Ｂより延出する包覆部５は、適宜曲げられたり折られたりして、縮径させられ、挿通体２１の外周に密接しつつ包囲する。そして、包覆部５は、その包囲する部分に紐状部材２２が巻き付けられ、その紐状部材２２によって挿通体２１に固定され、これにより、区画貫通部１５の一方の開口１３Ｄが、包覆部５により覆われることになる。
スリーブ状の挿通部材３を区画貫通部１５に配置した後、仕切り部１１と挿通部材３との間に、間隙が形成されてしまう場合、間隙を塞ぐように、さらに、パテ材及びコーキング材を用いて係止部材４Ａ，４Ｂを形成することが好ましい。
After the sleeve-shaped inserting member 3 is placed in the compartment penetrating 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 out from the through hole 13B is appropriately bent or folded to reduce its diameter and surround the outer periphery of the inserting body 21 in close contact therewith. 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, whereby one opening 13D of the compartment penetrating 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.
係止部材４Ａ又は係止部材４Ｂは、挿通部材３を区画貫通部１５に配置した後に追加して設ける構成であってもよい。係止部材４Ａ又は係止部材４Ｂを区画貫通部１５に配置した後に追加して設ける構成である場合、挿通部材３は、予めスリーブ状のものを採用することができる。 The locking member 4A or the locking member 4B may be configured to be added after the insertion member 3 is placed in the partition penetration portion 15. If the locking member 4A or the locking member 4B is configured to be added after the insertion member 3 is placed in the partition penetration portion 15, the insertion member 3 may be a sleeve-shaped member.
本発明の第３の実施形態に係る区画貫通処理構造によれば、係止部材４Ａ，４Ｂが、仕切り部１１及び挿通部材３の両端部１３Ａ，１３Ｂ側に接して設けられていることで、仕切り部１１の両端部１３Ａ，１３Ｂ側で挿通部材３の動きをより抑制することができ、区画貫通部１５の耐火性を維持することができる。
また、両端部１３Ａ，１３Ｂ側において、仕切り部１１と挿通部材３との間に間隙が形成された場合であっても、係止部材４Ａ，４Ｂが設けられることによって、両側の間隙を防ぐことができ、区画貫通部の耐火性を向上させることができる。
According to the compartment penetration processing structure of the third embodiment of the present invention, the locking members 4A, 4B are provided 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 ends 13A, 13B, the provision of the locking members 4A, 4B can prevent gaps on both sides, thereby improving the fire resistance of the compartment penetration portion.
［第４の実施形態］
第４の実施形態において第１の実施形態と相違する点は、図１２に示すように、スリープ状に変形可能な挿通部材３に、複数の切り込み４１Ｂが形成されている点である。以下、第４の実施形態について、第１の実施形態との相違点を説明する。また、以下では、異なる実施形態の説明でも、同一の構成を有する部材には同一の符号を付す。
[Fourth embodiment]
The fourth embodiment differs from the first embodiment in that a plurality of slits 41B are formed in the insertion member 3 that can be deformed into a sleeve shape, as shown in Fig. 12. The 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 members having the same configuration.
第４の実施形態では、図１２に示すように、スリープ状に変形可能な挿通部材３に複数の切り込み４１Ｂが形成されている。各切り込み４０Ｂは、シート状の挿通部材３の一端部４１Ａから挿通部材３の中途まで入れられている。挿通部材３は、切り込み４０Ｂを有するため、図１に示したように、一端部４１Ａが外側に折り返されることで鍔状の係止部材４が形成される。係止部材４は、外面１１Ａにおいて貫通孔１３Ａ（すなわち、一方の開口１３Ｃ）の外周又は貫通孔１３Ａの内部に係止され、挿通部材３の一端部３０側が仕切り部１１に固定されることになる。したがって、区画貫通部１５に挿入された挿通部材３は、区画貫通部１５の所望の位置に確実に固定されることになる。 In the fourth embodiment, as shown in FIG. 12, a plurality of slits 41B are formed in the sleeve-shaped insert member 3. Each slit 40B is made from one end 41A of the sheet-shaped insert member 3 to the middle of the insert member 3. Since the insert member 3 has the slits 40B, the one end 41A is folded back outward to form a brim-shaped locking member 4, as shown in FIG. 1. 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 the one end 30 side of the insert member 3 is fixed to the partition portion 11. Therefore, the insert member 3 inserted into the partition penetration portion 15 is reliably fixed to the desired position of the partition penetration portion 15.
［その他の実施形態］
以上の説明では、区画貫通処理構造として、第１の実施形態から第４の実施形態を示したが、第１の実施形態態乃至第４の実施形態は適宜組み合わせてもよい。つまり、以上の説明で示した実施形態のそれぞれを適宜組み合わせてもよく、全てを組み合わせてもよい。
また、区画貫通処理構造においては、上記各実施形態に示した態様に限定されず、挿通部材と、係止部材と、包覆部とを備える区画貫通処理部材を用いる限りいかなる構成でもよい。
[Other embodiments]
In the above description, the first to fourth embodiments have been shown as the partition penetration processing structure, but the first to fourth embodiments may be appropriately combined. In other words, the embodiments shown in the above description may be appropriately combined, or all of them may be combined.
Furthermore, the compartment penetration processing structure is not limited to the aspects 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.
例えば、以上の各実施形態では、包覆部は、挿通体に紐状部材によって固定されたが、紐状部材以外によって固定されてもよく、例えば、粘着層又は耐火材によって包覆部に固定されてもよい。粘着層又は耐火材は、包覆部の内側であって挿通体に接触する部分又は包覆部全体に、予め積層させておくとよい。粘着層としては、粘着剤層単体からなるものでもよいし、基材と基材の両面に設けた粘着剤層とを有する両面粘着テープであってもよい。また、耐火材は、上記した熱膨張性樹脂組成物により形成されればよいが、例えば未硬化又は溶剤で希釈された熱膨張性樹脂組成物を包覆部に塗布して、未硬化又は乾燥前の熱膨張性樹脂組成物を挿通体に接触させた状態で硬化、乾燥させて、耐火材を介して包覆部と挿通体を固定させればよい。また、包覆部の固定態様としては、水酸化アルミニウムや水酸化マグネシウム等の水酸化物、炭酸カルシウム、炭酸マグネシウム等の炭酸化物、酸化マグネシウム等の酸化物、リン、ポリリン酸アンモニウム、亜リン酸アルミニウム及びリン化合物、硫酸カルシウム、硫酸鉛、硫酸バリウム等の硫酸化物、ベントナイト、バーミキュライト、マイカ、窒化ホウ素、アルミナ等から選択される少なくとも１つの無機材料を含む樹脂組成物であるパテ状混合物によって固定されていてもよい。
また、包覆部は、外側から巻き付けられた粘着テープによって固定されてもよい。粘着テープは、基材と、基材の一方の面に粘着剤層が設けられた片面粘着テープなどが使用されるとよい。基材と粘着剤層の詳細は上記の通りである。
For example, in each of the above embodiments, the covering portion is fixed to the insert by a string-like member, but it may be fixed by something other than a string-like member, for example, it may be fixed to the covering portion by an adhesive layer or a fire-resistant material. The adhesive layer or fire-resistant material may be laminated in advance on the inside of the covering portion, on the part that contacts the insert, or on the entire covering portion. The adhesive layer may be a single adhesive layer, or may be a double-sided adhesive tape having a base material and adhesive layers provided on both sides of the base material. In addition, the fire-resistant material may be formed by the above-mentioned thermally expandable resin composition, and for example, the thermally expandable resin composition that is uncured or diluted with a solvent may be applied to the covering portion, and the uncured or undried thermally expandable resin composition may be cured and dried in a state in which it is in contact with the insert, and the covering portion and the insert may be fixed via the fire-resistant material. In addition, 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 be fixed by an adhesive tape wound 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. The details of the substrate and the adhesive layer are as described above.
また、以上の各実施形態では、挿通部材は、耐火材によって構成されたが、不燃材料により構成されてもよい。挿通部材における不燃材料とは、建築基準法及び建築基準法施行令において定められるものである。挿通部材における不燃材料としては、モルタル、鋼製スリーブなどの金属管、無機繊維やその成形体などが挙げられる。 In addition, in each of the above embodiments, the insertion member is made of a fire-resistant material, but it may be made of a non-combustible material. The non-combustible material in the insertion member is specified in the Building Standards Act and the Building Standards Act Enforcement Order. Examples of non-combustible materials in the insertion member include mortar, metal pipes such as steel sleeves, inorganic fibers and their molded bodies, etc.
３ 挿通部材
４ 係止部材
５ 包覆部
１１ 仕切り部
１２Ａ，１２Ｂ 壁材
１３ 中空部
１３Ａ，１３Ｂ 貫通孔
１３Ｃ，１３Ｄ 開口
１５ 区画貫通部
２１ 挿通体
２２ 紐状部材
REFERENCE SIGNS 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 (9)
前記区画貫通部にスリーブ状で挿入された挿通部材と、
前記挿通部材の少なくとも一端部側、及び前記仕切り部に接し、前記挿通部材の位置を固定する係止部材と、
前記挿通部材の少なくとも一端部側に設けられ、前記仕切り部に設けられる前記区画貫通部の開口と前記挿通体との間隙を覆うシート状の包覆部とを備える、区画貫通処理構造。 A compartment penetration processing structure that is formed in a partition of a building and has a compartment penetration part into which a long penetrating body is inserted, and has a fireproof structure,
An insertion member inserted in the compartment penetration portion in a sleeve shape;
a locking member that contacts at least one end side of the insertion member and the partition portion and fixes the position of the insertion member;
A compartment penetration processing structure comprising a sheet-like covering portion provided on at least one end side of the insertion member, covering the gap between the opening of the compartment penetration portion provided in the partition portion and the insertion body.
スリーブ状である、又は、スリーブ状に変形可能な挿通部材と、
前記仕切り部における前記挿通部材の位置を固定するための係止部材と、
前記仕切り部に設けられる貫通孔と前記挿通体との間隙を覆うためのシート状の包覆部とを備える、区画貫通処理部材。 A compartment penetration processing member used to make a compartment penetration part into a partition of a building into a fireproof structure, the compartment penetration processing member being formed in the partition of a building and into which a long penetrating body is inserted,
An insertion member that is sleeve-shaped or can be deformed into a sleeve shape;
a locking member for fixing a position of the insertion member in the partition portion;
A partition penetration processing member comprising a through hole provided in the partition portion and a sheet-like covering portion for covering a gap between the through hole and the insert.
請求項１～７に記載の区画貫通処理構造及び請求項８に記載の区画貫通処理部材の少なくともいずれかを前記区画貫通部に設ける工程を含む区画貫通処理方法。 A compartment penetration processing method for making a compartment penetration part, which is formed in a partition part of a building and has a fireproof structure, into which a long penetrating body is inserted, comprising:
A compartment penetration processing method comprising a step of providing at least one of the compartment penetration processing structure according to claims 1 to 7 and the compartment penetration processing member according to claim 8 in the compartment penetration portion.
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| JP2007312599A (en) * | 2004-11-17 | 2007-11-29 | Sekisui Chem Co Ltd | Penetrating structure of compartment piece |
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| JP5779435B2 (en) | 2011-07-15 | 2015-09-16 | 積水化学工業株式会社 | Fireproof compartment penetration structure |
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