JP2001276252A - Penetration through-type tubular body for fire protection section and method for fixing and installing the same thereto - Google Patents
Penetration through-type tubular body for fire protection section and method for fixing and installing the same theretoInfo
- Publication number
- JP2001276252A JP2001276252A JP2000098814A JP2000098814A JP2001276252A JP 2001276252 A JP2001276252 A JP 2001276252A JP 2000098814 A JP2000098814 A JP 2000098814A JP 2000098814 A JP2000098814 A JP 2000098814A JP 2001276252 A JP2001276252 A JP 2001276252A
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- cylinder
- fire
- cylindrical
- fire protection
- hole
- 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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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、例えば建築物の
壁に形成された貫通孔に挿通され、内部にケーブルが貫
通支持される防火区画用の貫通筒体及びその防火区画部
への固設方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a through-hole for a fire-prevention section, which is inserted into a through-hole formed in, for example, a wall of a building and through which a cable is supported, and fixed to the fire-prevention section. It is about the method.
【０００２】[0002]
【従来の技術】従来、建築物において、ケーブル、配管
等の設備部材がその壁、床等の防火区画部を貫通して挿
通されている場合においては、万一、火災が発生した場
合、前記設備部材又はその周囲から火災が延焼したり、
拡大したりするそれがある。そのため、延焼や火災の拡
大を防止するために、設備部材の周囲及び防火区画部に
は耐火構造が設置されている。2. Description of the Related Art Conventionally, in the case where equipment such as cables and pipes is inserted through a fire prevention section such as a wall or a floor in a building, if a fire occurs, Fire spread from equipment or its surroundings,
There is that to expand. Therefore, in order to prevent the spread of fire and the spread of fire, a fire-resistant structure is installed around the equipment member and in the fire protection compartment.
【０００３】前記耐火構造について説明すると、防火区
画部には貫通孔が形成され、その貫通孔には金属材料製
の筒本体が挿通されている。その筒本体の外周面と貫通
孔の内周面との間の隙間には、耐火材、例えばモルタル
が充填されてその隙間が閉塞されるとともに、筒本体が
貫通孔に固設されている。そして、その筒本体内にケー
ブル等の設備部材が挿通支持され、さらに、筒本体内周
面と設備部材外周面との間の隙間にも耐火材料が充填さ
れて閉塞されている。[0003] Explaining the fireproof structure, a through hole is formed in the fire protection section, and a cylindrical body made of a metal material is inserted into the through hole. A gap between the outer peripheral surface of the cylinder body and the inner peripheral surface of the through hole is filled with a refractory material, for example, mortar, to close the gap, and the cylinder body is fixed to the through hole. A facility member such as a cable is inserted and supported in the cylinder main body, and a gap between the inner peripheral surface of the cylinder main body and the outer peripheral surface of the facility member is filled with a refractory material and closed.
【０００４】[0004]
【発明が解決しようとする課題】ところが、従来の耐火
構造において、万一火災が発生した場合、その火災によ
る高温の熱が金属材料製の筒本体の一端側から防火区画
部を越えて他端側に伝導して、筒本体全体も高温状態に
なってしまう。すると、筒本体の他端側において、その
高温の熱が筒本体からその筒本体内に充填された耐火材
料を介して設備部材に伝導して、設備部材に引火してし
まうおそれがあるという問題があった。さらに、筒本体
の他端側付近にある可燃物等にまでも引火してしまうお
それがあるという問題もあった。However, in the event that a fire occurs in the conventional fire-resistant structure, the high-temperature heat generated by the fire passes from one end of the tubular body made of metal material to the other end after passing through the fire protection compartment. As a result, the entire cylinder body becomes hot. Then, on the other end side of the cylinder main body, there is a problem that the high-temperature heat is transmitted from the cylinder main body to the equipment member through the refractory material filled in the cylinder main body, and the equipment member may be ignited. was there. Further, there is a problem that even a combustible material or the like near the other end of the cylinder body may be ignited.
【０００５】この発明は、このような従来技術に存在す
る問題点に着目してなされたものである。その目的とす
るところは、筒本体の一端側から他端側又は他端側から
一端側への熱伝導を低下させることができる防火区画用
の貫通筒体及びその防火区画部への固設方法を提供する
ことにある。The present invention has been made by paying attention to such problems existing in the prior art. An object of the present invention is to provide a through-tube for a fire-prevention compartment capable of reducing heat conduction from one end to the other end or from the other end to one end of the tube main body and a method of fixing the same to the fire-prevention compartment. Is to provide.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに、請求項１に記載の発明の防火区画用の貫通筒体
は、建築物の防火区画部に形成された貫通孔に挿通さ
れ、内部に被貫通体を貫通支持して、同防火区画部に当
該被貫通体を貫通支持させるための防火区画用の貫通筒
体であって、金属材料製の筒本体と、その筒本体の一端
側と他端側との間に設けられ、筒本体の一端側から他端
側又は他端側から一端側への熱伝導を低下させるための
熱伝導低下手段とよりなるものである。In order to achieve the above-mentioned object, the present invention is characterized in that the through-tube for a fire-prevention section is inserted into a through-hole formed in a fire-prevention section of a building. A penetrating cylindrical body for a fire protection compartment for penetrating and supporting the penetrated body therein, and for supporting the penetrated body through the fire prevention compartment, wherein a cylindrical body made of a metal material; It is provided between one end side and the other end side, and comprises heat conduction reducing means for reducing heat conduction from one end side to the other end side or from the other end side to the one end side of the cylinder main body.
【０００７】請求項２に記載の発明の防火区画用の貫通
筒体は、請求項１に記載の発明において、前記熱伝導低
下手段は、筒本体の一端側と他端側とを分断すべく同筒
本体の周方向に沿って設けられたスリットであるもので
ある。According to a second aspect of the present invention, there is provided a through-hole tubular body for a fire prevention compartment according to the first aspect of the present invention, wherein the heat conduction reducing means is configured to divide one end side and the other end side of the cylinder main body. It is a slit provided along the circumferential direction of the cylinder main body.
【０００８】請求項３に記載の発明の防火区画用の貫通
筒体は、請求項２に記載の発明において、前記スリット
には、筒本体の一端側と他端側とを部分的に連結する連
結部が設けられているものである。According to a third aspect of the present invention, in the through cylinder for a fire protection compartment according to the second aspect of the present invention, one end and the other end of the cylinder main body are partially connected to the slit. A connecting portion is provided.
【０００９】請求項４に記載の発明の防火区画用の貫通
筒体は、請求項２又は請求項３に記載の発明において、
前記筒本体は、少なくとも２個の金属材料製の筒状体
を、それら筒状体の相対向する端部同士が離間した状態
で部分的に溶接して形成し、前記スリットを前記離間部
分に形成したものである。According to a fourth aspect of the present invention, in the fourth aspect of the present invention, there is provided a through-hole tubular body for a fire prevention compartment.
The cylindrical body is formed by partially welding at least two cylindrical bodies made of a metal material in a state where opposing ends of the cylindrical bodies are separated from each other, and the slit is formed in the separated portion. It is formed.
【００１０】請求項５に記載の発明の防火区画用の貫通
筒体は、請求項１に記載の発明において、少なくとも２
個の金属材料製の筒状体を、それらの相対向する端部同
士が離間すべく筒状体より熱伝導率の低い非金属材料製
の介装部材を介装して連結し、その連結状態において前
記少なくとも２個の筒状体により筒本体を形成するとと
もに、前記熱伝導低下手段を各筒状体の端部同士を離間
した状態で連結する介装部材により形成したものであ
る。According to a fifth aspect of the present invention, in the first aspect of the invention, there is provided a through-hole tubular body for a fire prevention compartment.
The cylindrical members made of metallic materials are connected to each other by interposing an intervening member made of a non-metallic material having a lower thermal conductivity than the cylindrical members so that their opposite ends are separated from each other, and the connection is performed. In this state, the cylindrical body is formed by the at least two cylindrical bodies, and the heat conduction reducing means is formed by an interposition member that connects the cylindrical bodies with their ends separated from each other.
【００１１】請求項６に記載の発明の防火区画用の貫通
筒体は、請求項１に記載の発明において、少なくとも２
個の金属材料製の筒状体を、それらの相対向する端部同
士が離間した状態で連結部材により連結し、各筒状体の
連結部材による連結状態で貫通孔内での防火区画部に対
する固設状態において、前記連結部材を除去して前記少
なくとも２個の筒状体により筒本体を形成するととも
に、前記熱伝導低下手段を前記離間部分に形成されるス
リットにより形成したものである。[0011] In the sixth aspect of the present invention, the penetrating cylindrical body for a fire protection compartment according to the first aspect of the present invention is provided.
The cylindrical members made of metallic material are connected by a connecting member in a state where their opposite ends are separated from each other, and the connecting members of the respective cylindrical members are connected to the fire-prevention compartment in the through-hole. In a fixed state, the connecting member is removed to form a cylindrical main body by the at least two cylindrical bodies, and the heat conduction reducing means is formed by a slit formed in the separated portion.
【００１２】請求項７に記載の発明の防火区画用の貫通
筒体は、請求項１〜請求項６のいずれか一項に記載の発
明において、前記筒本体の外周面には、加熱により膨張
する材料より形成された耐火材が設けられ、防火区画部
の貫通孔内への筒本体の挿入状態において、前記耐火材
はその膨張状態で筒本体の外周面と貫通孔の内周面との
間を閉塞するものである。According to a seventh aspect of the present invention, in the through cylinder for a fire protection compartment according to any one of the first to sixth aspects, the outer peripheral surface of the cylinder main body is expanded by heating. A refractory material made of a material to be provided is provided, and in a state where the cylinder body is inserted into the through hole of the fire protection compartment, the refractory material is in an expanded state between the outer peripheral surface of the cylinder body and the inner peripheral surface of the through hole. It blocks the space.
【００１３】請求項８に記載の発明の防火区画用の貫通
筒体は、請求項７に記載の発明において、前記耐火材は
筒本体を加熱することにより膨張するものである。請求
項９に記載の発明の防火区画用の貫通筒体は、請求項７
又は請求項８に記載の発明において、前記耐火材は無機
発泡材料により形成されているものである。According to an eighth aspect of the invention, there is provided a penetration tubular body for a fire protection compartment according to the seventh aspect, wherein the refractory material expands by heating the tubular body. According to the ninth aspect of the present invention, there is provided a through-hole tubular body for a fire prevention section.
Alternatively, in the invention according to claim 8, the refractory material is formed of an inorganic foam material.
【００１４】請求項１０に記載の発明の防火区画用の貫
通筒体の防火区画部への固設方法は、建築物の防火区画
部に形成された貫通孔に挿通され、内部に被貫通体を貫
通支持して、同防火区画部に当該被貫通体を貫通支持さ
せるための防火区画用の貫通筒体の防火区画部への固設
方法であって、少なくとも２個の金属材料製の筒状体
を、それらの相対向する端部同士が離間した状態で連結
部材により連結した状態で前記貫通孔に挿通し、固定手
段により各筒状体を貫通孔内で防火区画部に固設した後
に、前記連結部材を除去して、少なくとも２個の筒状体
により筒本体を形成するとともに、前記離間部分に形成
されたスリットにより熱伝導低下手段を形成して貫通筒
体を構成するものである。According to a tenth aspect of the present invention, in the method for fixing a penetration tubular body for a fire protection section to a fire protection section, the through-hole is formed in a fire protection section of a building, and an object to be penetrated therein is provided. A method of fixing a penetration cylinder body for a fire prevention section to a fire prevention section to penetrate and support the object to be penetrated in the fire prevention section, wherein at least two cylinders made of a metal material are provided. The tubular bodies were inserted into the through-holes in a state where their opposing ends were separated by a connecting member in a state where they were separated from each other, and each tubular body was fixed to the fire prevention compartment in the through-holes by fixing means. Later, the connecting member is removed to form a cylindrical main body by at least two cylindrical bodies, and a through-conducting cylindrical body is formed by forming heat conduction reducing means by slits formed in the separated portion. is there.
【００１５】請求項１１に記載の発明の防火区画用の貫
通筒体の防火区画部への固設方法は、請求項１０に記載
の発明において、前記連結部材は、金属材料により少な
くとも２個の筒状体をそれらの相対向する端部同士が離
間した状態で外嵌可能に形成されたものであり、前記固
定手段は、各筒状体の外周面に設けられるとともに、加
熱により膨張する材料製の耐火材を、筒状体の加熱によ
り各筒状体及び連結部材を介して加熱膨張させて形成さ
れる耐火充填材により貫通孔の内周面と各筒状体の外周
面との間の隙間を埋めて構成されるものである。[0015] According to the eleventh aspect of the present invention, in the method for fixing the through-hole cylinder for a fire protection section to the fire protection section according to the tenth aspect, in the invention according to the tenth aspect, the connecting member is made of at least two metal materials. The cylindrical body is formed so as to be able to be fitted externally in a state where their opposed ends are separated from each other, and the fixing means is provided on the outer peripheral surface of each cylindrical body and is a material which expands by heating. Between the inner peripheral surface of the through-hole and the outer peripheral surface of each cylindrical body by using a refractory filler formed by heating and expanding the refractory material made of aluminum through the cylindrical body and the connecting member by heating the cylindrical body. Is formed by filling the gap.
【００１６】[0016]
【発明の実施の形態】以下、この発明を壁用の貫通筒体
に具体化した一実施形態を図面に基づいて詳細に説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is embodied in a through cylinder for a wall will be described in detail with reference to the drawings.
【００１７】防火区画部としての壁に形成される貫通孔
に設置される貫通筒体１１は、図１及び図２（ａ）に示
すように、略円筒状をなす筒本体１２と、その筒本体１
２の一端側から他端側又は他端側から一端側への熱伝導
を低下させるための熱伝導低下手段としてのスリット１
６とよりなるものである。その筒本体１２の外周面には
耐火材１３が付着されている。前記筒本体１２は円筒状
をなす２個の鉄製の筒状体１４を、各端部同士が相対向
して離間した状態で、図２（ｂ）に示すように、各端部
同士を３箇所でスポット溶接して連結されて構成されて
いる。その溶接部分により２個の筒状体１４を連結する
連結部１５が形成されている。As shown in FIGS. 1 and 2 (a), a through-bore body 11 installed in a through-hole formed in a wall as a fire-prevention section has a substantially cylindrical tubular body 12 and a tubular body thereof. Body 1
2 as a heat conduction reducing means for reducing heat conduction from one end to the other end or from the other end to the one end.
6. A refractory material 13 is attached to the outer peripheral surface of the cylinder main body 12. As shown in FIG. 2 (b), the cylinder main body 12 holds two iron cylinders 14 having a cylindrical shape in a state where the respective ends face each other and are separated from each other. It is configured to be spot welded and connected at locations. A connecting portion 15 for connecting the two cylindrical bodies 14 is formed by the welded portion.
【００１８】そして、図２（ａ）、（ｂ）に示すよう
に、２個の筒状体１４の相対向する端部の間において、
前記３箇所の連結部１５を除いて筒本体１２の周方向に
沿って延びるとともに、筒本体１２を部分的に分断する
スリット１６が形成されている。また、スリット１６に
より筒本体１２の一端側｛図２（ａ）では右端側｝から
他端側｛図２（ａ）では左端側｝又は左端側から右端側
への熱伝導の低下を図る熱伝導低下手段が構成されてい
る。また、図６に示すように、筒本体１２内には被貫通
体としてのケーブル２６が挿通可能になっている。Then, as shown in FIGS. 2A and 2B, between the opposite ends of the two cylindrical bodies 14,
Except for the three connecting portions 15, a slit 16 is formed extending along the circumferential direction of the cylinder main body 12 and partially dividing the cylinder main body 12. Further, the slit 16 reduces the heat conduction from one end side of the cylinder main body 12 (the right end side in FIG. 2A) to the other end side (the left end side in FIG. 2A) or from the left end side to the right end side. A means for reducing conduction is provided. As shown in FIG. 6, a cable 26 as a penetrated body can be inserted into the cylinder main body 12.
【００１９】次に、前記耐火材１３について説明する
と、耐火材１３は筒本体１２の外周面に塗布された無機
発泡接着剤を乾燥することにより形成されるものであ
り、直接的又は筒本体１２の加熱による間接的な加熱に
より膨張して図５に示すように、耐火充填材１７を形成
するものである。前記無機発泡接着剤は、アルカリ珪酸
塩と、硼酸亜鉛と、未焼成バーミキュライトと、合成膨
潤性雲母及び合成スメクタイトから選ばれる少なくとも
一種とよりなるものである。Next, the refractory material 13 will be described. The refractory material 13 is formed by drying an inorganic foam adhesive applied to the outer peripheral surface of the cylinder main body 12 and is formed directly or by the cylinder main body 12. As shown in FIG. 5, it expands by the indirect heating by the heating of the above to form the refractory filler 17. The inorganic foam adhesive comprises an alkali silicate, zinc borate, unfired vermiculite, and at least one selected from synthetic swellable mica and synthetic smectite.
【００２０】前記アルカリ珪酸塩としては、珪酸ナトリ
ウム、珪酸カリウム、珪酸リチウム等の珪酸のアルカリ
金属塩、珪酸カルシウム、珪酸マグネシウム等の珪酸の
アルカリ土類金属塩等を使用することができる。これら
の中でも、低融点、低コストの点から珪酸ナトリウムを
使用するのが好ましく、珪酸ナトリウムに珪酸リチウム
を混合して使用するのも好ましい。Examples of the alkali silicate include alkali metal salts of silicic acid such as sodium silicate, potassium silicate and lithium silicate, and alkaline earth metal salts of silicic acid such as calcium silicate and magnesium silicate. Among these, sodium silicate is preferably used from the viewpoint of low melting point and low cost, and it is also preferable to use sodium silicate mixed with lithium silicate.
【００２１】アルカリ珪酸塩の濃度としては、調製され
る無機発泡接着剤の筒本体１２に対する塗布適性や液剤
の安定性等を考慮すると、無機発泡接着剤１リットル当
たり１０〜５００ｇに設定されるのが好ましく、１００
〜５００ｇに設定されるのがより好ましい。The concentration of the alkali silicate is set to 10 to 500 g per liter of the inorganic foamed adhesive in consideration of the suitability of the inorganic foamed adhesive to be prepared to be applied to the cylinder body 12 and the stability of the liquid material. Is preferred, and 100
More preferably, it is set to ５００500 g.
【００２２】次に、前記硼酸亜鉛について説明すると、
硼酸亜鉛は古くから塗料やプラスチック成形品の難燃剤
として利用されているもので、一般的には２ＺｎＯ・３
Ｂ2Ｏ3・３．５Ｈ2Ｏの組成で示される水和物であり、
加熱により容易に無水和物となるものである。硼酸亜鉛
は無機発泡接着剤の調製の際に、水和物又は無水和物の
いずれの形態でも使用することができる。無機発泡接着
剤における硼酸亜鉛の配合量としては、アルカリ珪酸塩
１００重量部に対し、固形分換算で１〜２０重量部であ
ることが好ましい。前記配合量が１重量部未満の場合、
前記耐火充填材１７の耐水性が不十分となる。そのた
め、その耐火充填材１７が水に溶解して硬度が低くなり
その形態を維持できなくなり好ましくない。一方、配合
量が２０重量部を越えると無機発泡接着剤を１液型の液
剤とすることが困難となり好ましくない。Next, the zinc borate will be described.
Zinc borate has long been used as a flame retardant for paints and plastic molded products, and is generally 2ZnO.3
A hydrate represented by the composition of B 2 O 3 .3.5H 2 O;
It easily becomes an anhydrate by heating. Zinc borate can be used in the form of a hydrate or an anhydrate in the preparation of the inorganic foamed adhesive. The amount of zinc borate in the inorganic foamed adhesive is preferably 1 to 20 parts by weight in terms of solid content based on 100 parts by weight of the alkali silicate. When the amount is less than 1 part by weight,
The water resistance of the refractory filler 17 becomes insufficient. For this reason, the refractory filler 17 dissolves in water to lower the hardness, and the shape cannot be maintained, which is not preferable. On the other hand, if the amount is more than 20 parts by weight, it is difficult to make the inorganic foamed adhesive a one-part liquid, which is not preferable.
【００２３】前記未焼成バーミキュライトは、カンラン
岩が熱水変化して生じた鉱物であり、高温に加熱すると
層間が広がって膨積する特徴を有している。無機発泡接
着剤における未焼成バーミキュライトの配合量として
は、アルカリ珪酸塩１００重量部に対し、固形部換算で
１〜５０重量部であることが好ましい。前記配合量が１
重量部未満の場合、未焼成バーミキュライトの膨積が十
分に行われず前記耐火充填材１７の厚みが不十分となり
好ましくない。一方、配合量が５０重量部を越えると、
バインダー不足となり壁に対する接着性が不十分となり
好ましくない。The unsintered vermiculite is a mineral generated by changing peridotite by hydrothermal treatment, and has a feature that when heated to a high temperature, the layers expand and expand. The amount of unfired vermiculite in the inorganic foamed adhesive is preferably 1 to 50 parts by weight in terms of a solid part based on 100 parts by weight of the alkali silicate. The amount is 1
If the amount is less than the weight part, unsintered vermiculite is not sufficiently expanded and the thickness of the refractory filler 17 is insufficient, which is not preferable. On the other hand, if the amount exceeds 50 parts by weight,
The binder becomes insufficient and the adhesiveness to the wall becomes insufficient, which is not preferable.
【００２４】前記合成膨潤性雲母は、固相反応によって
合成された微粉ナトリウム・フッ素雲母であり、コロイ
ド形成能、フィルム形成能、イオン交換能が大きく、Ｍ
Ｂ吸着量が大きいため、層間に無機・有機物をインター
カレートして複合体を形成する特性を有する。The synthetic swellable mica is finely divided sodium / fluoric mica synthesized by a solid phase reaction, and has a large colloid-forming ability, a film-forming ability and an ion-exchange ability.
Since the amount of B adsorbed is large, it has the property of intercalating inorganic and organic substances between layers to form a complex.
【００２５】合成スメクタイトは粘土鉱物の一種であ
り、水及びその他の溶媒で膨潤し、粒子径が非常に小さ
いため、分散してゾル・ゲルを形成する。また、吸着
能、イオン交換能を有し、無機物あるいは有機物と層間
化合物を形成する等の特性を有する。その結晶構造は前
記合成膨潤性雲母に類似し、層状であるため配向して薄
膜を形成しやすく、層間に金属多核水酸化イオン、金属
錯イオン、荷電ゾル等をインターカレートする。従っ
て、無機発泡接着剤には合成膨潤性雲母及び合成スメク
タイトから選ばれる少なくとも一種が含有されていれば
よい。Synthetic smectite is a type of clay mineral, which swells in water and other solvents and has a very small particle size, so that it disperses to form a sol-gel. Further, it has an adsorption ability and an ion exchange ability, and has properties such as forming an interlayer compound with an inorganic or organic substance. The crystal structure is similar to the synthetic swellable mica described above, and since it is layered, it is easily oriented to form a thin film, and intercalates metal polynuclear hydroxide ions, metal complex ions, charged sol, and the like between layers. Therefore, the inorganic foam adhesive only needs to contain at least one selected from synthetic swellable mica and synthetic smectite.
【００２６】無機発泡接着剤に対する合成膨潤性雲母及
び合成スメクタイトの配合量はアルカリ珪酸塩１００重
量部に対し、固形分換算で１〜２０重量部であることが
好ましく、１０〜１５重量部であることがより好まし
い。前記配合量が１重量部未満の場合は、未焼成バーミ
キュライトの膨積により形成される発泡粒子の被覆層の
厚みが不十分となり、その発泡粒子の破裂が起こりやす
くなり好ましくない。一方、配合量が２０重量部を越え
ると、珪酸塩バインダーの量が相対的に不足することに
よって壁と発泡粒子との接着性が不十分となり好ましく
ない。The compounding amount of the synthetic swellable mica and the synthetic smectite with respect to the inorganic foam adhesive is preferably 1 to 20 parts by weight, and more preferably 10 to 15 parts by weight in terms of solid content based on 100 parts by weight of the alkali silicate. Is more preferable. If the compounding amount is less than 1 part by weight, the thickness of the coating layer of the foamed particles formed by the expansion of the green vermiculite becomes insufficient, and the foamed particles are easily ruptured, which is not preferable. On the other hand, if the amount exceeds 20 parts by weight, the amount of the silicate binder is relatively insufficient, so that the adhesion between the wall and the foamed particles is insufficient, which is not preferable.
【００２７】そして、無機発泡接着剤は上記各成分を所
望の濃度となるようにそれぞれ量り取り、それらを混合
して溶解又は分散することにより調製される。具体的に
は、まず、アルカリ珪酸塩に水を添加し、次に硼酸亜鉛
を添加して溶解する。その後、未焼成バーミキュライ
ト、さらに、合成膨潤性雲母及び合成スメクタイトから
選ばれる少なくとも一種を添加して充分に混合し分散す
ることにより、無機発泡接着剤が調製される。The inorganic foamed adhesive is prepared by weighing each of the above components to a desired concentration, mixing them, and dissolving or dispersing them. Specifically, first, water is added to the alkali silicate, and then zinc borate is added and dissolved. Thereafter, the unfired vermiculite, and at least one selected from synthetic swelling mica and synthetic smectite are added, mixed well, and dispersed to prepare an inorganic foamed adhesive.
【００２８】そして、無機発泡接着剤を、刷毛塗法、ス
プレー法、ロールコート法等の方法により、２個の筒状
体１４の相対向する端部外周面に塗布する。さらに、無
機発泡接着剤を自然乾燥又は強制乾燥により乾燥させ
て、筒本体１２の外周面に耐火材１３が付着された貫通
筒体１１が形成される。Then, an inorganic foaming adhesive is applied to the outer peripheral surfaces of the opposite ends of the two cylindrical bodies 14 by a method such as a brush coating method, a spray method, and a roll coating method. Further, the inorganic foaming adhesive is dried by natural drying or forced drying to form the penetrating cylinder 11 having the refractory material 13 adhered to the outer peripheral surface of the cylinder main body 12.
【００２９】続いて、前記貫通筒体１１が設置される防
火区画部としての壁１８及びその壁１８に形成される貫
通孔１９について説明する。図３に示すように、貫通孔
１９は壁１８を施工する際、ボイド管２０により形成さ
れる。前記ボイド管２０は、紙により円筒状に形成さ
れ、その外周面には、断面山形状をなす金属リング２１
が複数個嵌着されている。Next, a description will be given of a wall 18 as a fire protection section in which the through cylinder 11 is installed and a through hole 19 formed in the wall 18. As shown in FIG. 3, the through hole 19 is formed by the void pipe 20 when the wall 18 is constructed. The void tube 20 is formed of paper into a cylindrical shape, and has a metal ring 21 having a mountain-shaped cross section on its outer peripheral surface.
Are fitted.
【００３０】そして、一対の型枠２３が所定間隔をおい
て配置され、その間にコンクリート２２が打設される。
その際、ボイド管２０が、型枠２３間にセットされる。
図４に示すように、コンクリート２２硬化後に、型枠２
３を取り外し、ボイド管２０及び金属リング２１を除去
する又はボイド管２０のみを除去することにより、壁１
８に貫通孔１９が形成されるとともに、金属リング２１
により貫通孔１９の内周面に複数の環状凹部２４が形成
される。Then, a pair of molds 23 are arranged at a predetermined interval, and concrete 22 is poured between them.
At this time, the void tube 20 is set between the molds 23.
As shown in FIG. 4, after hardening the concrete 22, the form 2
3 by removing the void tube 20 and the metal ring 21 or by removing only the void tube 20.
8 and a metal ring 21.
Thereby, a plurality of annular concave portions 24 are formed on the inner peripheral surface of the through hole 19.
【００３１】前記壁１８用の貫通筒体１１の作用につい
て以下に記載する。まず、図４に示すように、壁１８の
貫通孔１９内に貫通筒体１１を挿通し、耐火材１３が形
成された箇所を貫通孔１９の壁面に対応させる。次い
で、筒本体１２の内側にバーナー２５を挿入し、まず、
壁１８裏側（図４では右側）の耐火材１３に対応する筒
状体１４内周面を加熱する。すると、熱が壁１８裏側に
位置する筒状体１４に付着された耐火材１３に伝導し、
その耐火材１３が加熱される。The operation of the through cylinder 11 for the wall 18 will be described below. First, as shown in FIG. 4, the through cylinder 11 is inserted into the through hole 19 of the wall 18, and the portion where the refractory material 13 is formed is made to correspond to the wall surface of the through hole 19. Next, the burner 25 is inserted into the inside of the cylinder body 12, and first,
The inner peripheral surface of the tubular body 14 corresponding to the refractory material 13 on the back side of the wall 18 (the right side in FIG. 4) is heated. Then, heat is conducted to the refractory material 13 attached to the tubular body 14 located on the back side of the wall 18,
The refractory material 13 is heated.
【００３２】耐火材１３は加熱とほぼ同時に発泡し、加
熱をやめた後は、珪酸塩ポリマー等のバインダーが数十
分後に硬化して、耐火充填材１７を形成する。続いて、
壁１８表側（図４では左側）の耐火材１３に対応する筒
状体１４内周面を加熱して耐火材１３を同様に発泡、硬
化させて耐火充填材１７を形成させる。なお、筒本体１
２の中央内周面を加熱して両筒状体１４の耐火材１３を
同時に加熱して耐火充填材１７を形成させてもよい。そ
の結果、図５に示すように、耐火充填材１７により貫通
孔１９の内周面と、筒本体１２外周面との隙間は充填さ
れるとともに、貫通筒体１１が貫通孔１９に貫通支持さ
れて壁１８に固設される。また、耐火充填材１７はスリ
ット１６内にもわずかに入り込むため、貫通筒体１１の
貫通孔１９からの引き抜き強度が向上する。The refractory material 13 foams almost simultaneously with the heating, and after the heating is stopped, a binder such as a silicate polymer hardens after several tens of minutes to form the refractory filler 17. continue,
The inner peripheral surface of the tubular body 14 corresponding to the refractory material 13 on the front side of the wall 18 (the left side in FIG. 4) is heated to foam and harden the refractory material 13 in the same manner to form the refractory filler 17. In addition, the cylinder main body 1
The refractory material 13 of both tubular bodies 14 may be heated simultaneously by heating the central inner peripheral surface of the two to form the refractory filler 17. As a result, as shown in FIG. 5, the gap between the inner peripheral surface of the through hole 19 and the outer peripheral surface of the cylinder main body 12 is filled with the refractory filler 17, and the penetrating cylinder 11 is supported through the through hole 19. And is fixed to the wall 18. Further, since the refractory filler 17 slightly enters the slit 16, the pull-out strength of the through cylinder 11 from the through hole 19 is improved.
【００３３】このとき、貫通孔１９の内周面には、複数
の環状凹部２４が形成されているため、耐火充填材１７
の引き抜き強度が向上される。耐火充填材１７の形成
後、図６に示すように、貫通孔１９に貫通支持された筒
本体１２の内側にケーブル２６を通す。そして、筒本体
１２の両端内側面とケーブル２６との間に耐火閉塞材２
７を充填し、その耐火閉塞材２７により筒本体１２の内
周面とケーブル２６の外周面との間の隙間を充填する。
その結果、ケーブル２６は貫通筒体１１内に貫通支持さ
れて壁１８に貫通支持される。At this time, since a plurality of annular concave portions 24 are formed on the inner peripheral surface of the through hole 19, the refractory filler 17 is formed.
The pull-out strength is improved. After the formation of the refractory filler 17, as shown in FIG. 6, the cable 26 is passed through the inside of the cylinder body 12 that is supported through the through hole 19. And, between the inner surface of both ends of the cylinder main body 12 and the cable 26, the fireproof closing material 2
7 and the gap between the inner peripheral surface of the cylinder main body 12 and the outer peripheral surface of the cable 26 is filled with the fireproof plug 27.
As a result, the cable 26 is penetrated and supported in the penetrating cylinder 11 and is penetrated and supported by the wall 18.
【００３４】上記貫通筒体１１が設置された建築物の壁
１８表側（図６では左側）で万一火災が発生した場合、
筒本体１２の左側はその火災の熱により加熱される。こ
のとき、筒本体１２の中央のスリット１６により筒本体
１２の左側から右側への熱伝導が低下し、火災による熱
が壁１８裏側（図６では右側）へ伝導しにくくなる。In the event that a fire occurs on the front side of the wall 18 (the left side in FIG. 6) of the building where the above-mentioned penetrating cylinder 11 is installed,
The left side of the cylinder body 12 is heated by the heat of the fire. At this time, heat conduction from the left side to the right side of the cylinder main body 12 is reduced by the slit 16 at the center of the cylinder main body 12, so that heat due to fire is less likely to be conducted to the back side of the wall 18 (the right side in FIG. 6).
【００３５】第１実施形態によれば、次のような効果が
発揮される。 ・ 筒本体１２の中央にはスリット１６が形成され、そ
のスリット１６により筒本体１２の一端側と他端側とは
ほぼ全周に亘って離間している。そのため、貫通筒体１
１が設置された建築物に万一火災が発生しても、そのス
リット１６により、筒本体１２の一端側から他端側への
熱伝導を低下させて、他端側へ熱を伝導しにくくするこ
とができる。その結果、例えば筒本体１２の他端側から
耐火閉塞材２７を介してケーブル２６に引火したり、筒
本体１２の他端側付近にある可燃物等に引火したりする
といったおそれをなくすことができる。According to the first embodiment, the following effects are exhibited. A slit 16 is formed in the center of the cylinder main body 12, and the slit 16 separates one end and the other end of the cylinder main body 12 over substantially the entire circumference. Therefore, the penetrating cylinder 1
Even if a fire occurs in the building where 1 is installed, the heat conduction from one end to the other end of the cylinder body 12 is reduced by the slits 16, making it difficult to conduct heat to the other end. can do. As a result, for example, it is possible to eliminate the risk of igniting the cable 26 from the other end side of the cylinder main body 12 through the fireproof blocking material 27 or igniting a combustible material near the other end side of the cylinder main body 12. it can.
【００３６】・ 筒本体１２は２個の筒状体１４の相対
向する端部同士が連結部１５により３箇所で連結して構
成されている。また、筒状体１４は鉄により形成されて
いる。そのため、筒本体１２に所要の剛性を付与するこ
とができる。The cylindrical body 12 is formed by connecting two ends of two cylindrical bodies 14 at three places by connecting parts 15. Further, the cylindrical body 14 is formed of iron. Therefore, required rigidity can be given to the cylinder main body 12.
【００３７】・ ２個の筒状体１４の相対向する端部同
士を３箇所で溶接して連結することにより、筒本体１２
にスリット１６を形成することができる。従って、１本
の筒状体１４を切り欠いてスリット１６を形成する場合
と異なり、筒本体１２にスリット１６を容易に形成する
ことができる。The opposite ends of the two cylindrical bodies 14 are welded and connected at three places to form the cylindrical body 12
The slit 16 can be formed at the bottom. Therefore, unlike the case where the slit 16 is formed by cutting out one cylindrical body 14, the slit 16 can be easily formed in the cylindrical main body 12.
【００３８】・ 耐火材１３は、筒本体１２の外周面に
予め付着されている。そのため、耐火材１３を、貫通孔
１９と筒本体１２との間に充填する作業が不要となり、
作業時間の短縮を図ることができる。The refractory material 13 is previously attached to the outer peripheral surface of the cylinder body 12. Therefore, the work of filling the refractory material 13 between the through hole 19 and the cylinder body 12 becomes unnecessary,
Work time can be reduced.
【００３９】・ 貫通孔１９と、筒本体１２との間の隙
間に充填される耐火材１３は加熱と同時に発泡し、それ
が急速に硬化する。そのため、作業効率を向上させるこ
とができるとともに、施工コストの低減を図ることがで
きる。The refractory material 13 filled in the gap between the through hole 19 and the cylinder body 12 foams simultaneously with heating, and rapidly hardens. Therefore, work efficiency can be improved and construction cost can be reduced.
【００４０】・ 筒本体１２は鉄により形成されてい
る。そのため、各筒状体１４の内側から耐火材１３に対
応する位置をそれぞれ加熱したとき、その熱は隣接する
筒状体１４には伝導しにくいが、直接加熱される筒状体
１４に付着された耐火材１３には効率良く伝達される。
その結果、耐火材１３を効率良く発泡させることがで
き、隙間を耐火充填材１７により確実に充填閉鎖するこ
とができる。The cylinder body 12 is made of iron. Therefore, when a position corresponding to the refractory material 13 is heated from the inside of each cylindrical body 14, the heat is hardly conducted to the adjacent cylindrical body 14, but is attached to the directly heated cylindrical body 14. The refractory material 13 is efficiently transmitted.
As a result, the refractory material 13 can be efficiently foamed, and the gap can be reliably filled and closed with the refractory filler 17.
【００４１】・ 耐火材１３が発泡した耐火充填材１７
は、１００％無機質材料により形成されている。そのた
め、貫通筒体１１が設置された建築物に万一火災が発生
しても、耐火充填材１７は炭化せず所要の防火機能を維
持することができる。The refractory filler 17 in which the refractory material 13 is foamed
Is made of 100% inorganic material. Therefore, even if a fire occurs in the building in which the penetrating cylinder 11 is installed, the refractory filler 17 is not carbonized, and the required fire protection function can be maintained.
【００４２】（第２実施形態）以下の第２実施形態で
は、前記第１実施形態と異なる部分を主に説明する。図
７に示すように、貫通筒体１１は、熱伝導低下手段とし
てのスリット１６を備えた四角筒状をなす筒本体１２を
複数本それらの両端部において図示しないクリップによ
り連結して構成したものである。各筒本体１２の外周面
には耐火材１３が付着されている。(Second Embodiment) In the following second embodiment, parts different from the first embodiment will be mainly described. As shown in FIG. 7, the penetrating cylindrical body 11 is formed by connecting a plurality of cylindrical main bodies 12 each having a square cylindrical shape provided with slits 16 as heat conduction reducing means at both ends thereof by clips (not shown). It is. A refractory material 13 is attached to the outer peripheral surface of each cylinder main body 12.
【００４３】筒本体１２について説明すると、筒本体１
２は四角筒状をなす２個の鉄製の筒状体１４を、各端部
同士が相対向して離間した状態で、図８（ａ）に示すよ
うに、各端部同士を４箇所でスポット溶接して連結され
て構成されている。その溶接部分により２個の筒状体１
４を連結する連結部１５が形成されている。そして、図
８（ｂ）に示すように、２個の筒状体１４の相対向する
端部の間において、前記４箇所の連結部１５を除いて筒
本体１２の周方向に沿って延びるとともに、筒本体１２
を部分的に分断するスリット１６が形成されている。そ
のスリット１６により筒本体１２の一端側｛図８（ｂ）
では右端側）から他端側｛図８（ａ）では左端側｝又は
左端側から右端側への熱伝導の低下を図る熱伝導低下手
段が構成されている。The cylinder body 12 will be described.
Numeral 2 is a state in which two iron tubular bodies 14 forming a square tubular shape are separated from each other at four positions, as shown in FIG. It is configured to be connected by spot welding. Two cylindrical bodies 1 are formed by the welded portion.
4 are formed. Then, as shown in FIG. 8B, between the opposite ends of the two cylindrical bodies 14, except for the four connecting portions 15, extending along the circumferential direction of the cylindrical body 12. , Cylinder body 12
Is formed. One end side of the cylinder main body 12 due to the slit 16 (FIG. 8B)
(Right end side) to the other end side (the left end side in FIG. 8A) or a heat conduction reducing means for reducing the heat conduction from the left end side to the right end side.
【００４４】図１１に示すように、各筒本体１２によ
り、ケーブル２６を独立して挿通させるための挿通路２
８が構成されている。また、各挿通路２８の両開口端部
を独立して閉鎖する耐火閉塞材２７を備えている。耐火
閉塞材２７は、各挿通路２８にケーブル２６を挿通した
とき、挿通路２８の両開口端部の内周面とケーブル２６
の外周面との間の隙間を閉鎖するために充填される。As shown in FIG. 11, an insertion passage 2 for allowing the cable 26 to be inserted independently by each cylinder main body 12.
8 are configured. In addition, a fire-resistant closing member 27 for independently closing both open ends of each insertion passage 28 is provided. When the cable 26 is inserted into each of the insertion passages 28, the fire-resistant closing material 27 is connected to the inner peripheral surfaces of both open ends of the insertion passage 28 and the cable 26.
Is filled in to close the gap between the outer peripheral surface of the main body.
【００４５】さて、第２実施形態の貫通筒体１１の使用
の際は、図９に示すように、第１実施形態と同様の方法
により、壁１８に正面四角形状の貫通孔１９を形成す
る。次いで、図１０に示すように、貫通筒体１１を貫通
孔１９に挿通し、耐火材１３を貫通孔１９の内周面に対
応させる。そして、各筒本体１２において、壁１８裏側
の耐火材１３に対応する筒本体１２内周面を図示しない
バーナーにより加熱して、発泡、硬化させ、続いて、壁
１８表側の耐火材１３を加熱して発泡、硬化させる。な
お、筒本体１２の中央内周面を加熱して両筒状体１４の
耐火材１３を同時に加熱して発泡、硬化させてもよい。Now, when using the through cylinder 11 of the second embodiment, as shown in FIG. 9, a rectangular front through hole 19 is formed in the wall 18 by the same method as in the first embodiment. . Next, as shown in FIG. 10, the through cylinder 11 is inserted into the through hole 19, and the refractory material 13 is made to correspond to the inner peripheral surface of the through hole 19. Then, in each cylinder body 12, the inner peripheral surface of the cylinder body 12 corresponding to the refractory material 13 on the back side of the wall 18 is heated by a burner (not shown) to foam and harden, and then the refractory material 13 on the front side of the wall 18 is heated. To foam and cure. Note that the central inner peripheral surface of the cylindrical body 12 may be heated to simultaneously heat the refractory materials 13 of the two cylindrical bodies 14 to foam and harden.
【００４６】従って、図１１に示すように、貫通孔１９
の内周面と筒本体１２との間の隙間が耐火充填材１７に
より充填閉鎖されるとともに、貫通筒体１１が耐火充填
材１７を介して貫通孔１９に貫通支持されて壁１８に固
設される。さらに、ケーブル２６を挿通路２８内へ挿通
し、挿通路２８の開口端部の内周面とケーブル２６との
間に耐火閉塞材２７を充填する。Therefore, as shown in FIG.
The gap between the inner peripheral surface of the cylinder and the cylinder body 12 is filled and closed by the refractory filler 17, and the through cylinder 11 is supported through the through hole 19 via the refractory filler 17 and fixed to the wall 18. Is done. Further, the cable 26 is inserted into the insertion passage 28, and the space between the inner peripheral surface of the open end of the insertion passage 28 and the cable 26 is filled with the fireproof plug 27.
【００４７】そして、上記貫通筒体１１が設置された建
築物の壁１８表側（図１１では左側）で万一火災が発生
した場合、各筒本体１２の中央のスリット１６により筒
本体１２の左側から右側への熱伝導が低下し、火災によ
る熱が壁１８裏側（図１１では右側）へ伝導しにくくな
る。従って、第２実施形態において、貫通筒体１１を複
数本連結しても、各貫通筒体１１の一端側から他端側へ
の熱伝導を低下させて、他端側へ熱を伝導しにくくする
ことができる。If a fire occurs on the front side of the wall 18 (left side in FIG. 11) of the building in which the above-mentioned penetrating cylindrical body 11 is installed, the slit 16 at the center of each cylindrical main body 12 causes the left side of the cylindrical main body 12 to be opened. From the right to the right, the heat generated by the fire becomes difficult to conduct to the rear side of the wall 18 (the right side in FIG. 11). Therefore, in the second embodiment, even when a plurality of the through cylinders 11 are connected, the heat conduction from one end to the other end of each of the through cylinders 11 is reduced, and the heat is not easily conducted to the other end. can do.
【００４８】なお、本実施形態は、次のように変更して
具体化することも可能である。 ・ 各実施形態において、耐火材１３としてゴム等の軟
質材料を含有する熱膨張材を使用し、その熱膨張材によ
り耐火充填材１７を形成してもよい。そして、筒状に形
成された熱膨張材を各筒本体１２の外周面に予め嵌着す
る若しくは施工時に熱膨張材を筒本体１２の外周に嵌着
してもよく、又は施工時に板状の熱膨脹材を筒本体１２
の外周面に巻装してもよい。The present embodiment can be embodied with the following modifications. In each embodiment, a thermal expansion material containing a soft material such as rubber may be used as the refractory material 13, and the refractory filler 17 may be formed from the thermal expansion material. Then, the thermal expansion material formed in a cylindrical shape may be previously fitted to the outer peripheral surface of each cylindrical body 12, or the thermal expansion material may be fitted to the outer circumference of the cylindrical body 12 at the time of construction, or a plate-like shape at the time of construction. Tube body 12 with thermal expansion material
May be wound on the outer peripheral surface.
【００４９】・ 各実施形態において、液状又はゲル状
の無機発泡接着剤を、貫通筒体１１の施工時にその筒本
体１２の外周面に塗布した後、乾燥し、固化させて耐火
材１３を形成してもよい。また、各実施形態において、
耐火材１３に対する加熱を、同耐火材１３に対して直接
行ってもよい。In each embodiment, a liquid or gel-like inorganic foaming adhesive is applied to the outer peripheral surface of the cylindrical main body 12 when the penetrating cylindrical body 11 is applied, and then dried and solidified to form the refractory material 13. May be. In each embodiment,
The heating of the refractory material 13 may be performed directly on the refractory material 13.
【００５０】・ 各実施形態において、ゲル状又は液状
の無機発泡接着剤を筒状に乾燥固化して形成された耐火
材１３を筒本体１２の外周面に予め嵌着する若しくは施
工時に前記耐火材１３を筒本体１２の外周に嵌着しても
よい。又はゲル状又は液状の無機発泡接着剤を板状に乾
燥固化して形成された耐火材１３を筒本体１２の外周面
に巻装してもよい。さらに、各実施形態において、耐火
材１３として、例えば気泡コンクリートのように化学反
応により膨張、硬化する材料を使用し、その材料により
耐火充填材１７を形成してもよい。そして、その材料を
筒本体１２に予め付着する又は施工時にその材料を筒本
体１２の外周に付着させてもよい。In each embodiment, the refractory material 13 formed by drying and solidifying a gel or liquid inorganic foam adhesive into a tubular shape is previously fitted to the outer peripheral surface of the tubular body 12 or the refractory material is applied at the time of construction. 13 may be fitted on the outer periphery of the cylinder body 12. Alternatively, a refractory material 13 formed by drying and solidifying a gel or liquid inorganic foam adhesive into a plate shape may be wound around the outer peripheral surface of the cylinder body 12. Furthermore, in each embodiment, a material that expands and hardens due to a chemical reaction, such as cellular concrete, may be used as the refractory material 13, and the refractory filler 17 may be formed from the material. Then, the material may be attached to the cylinder body 12 in advance, or the material may be attached to the outer periphery of the cylinder body 12 during construction.
【００５１】・ 各実施形態において、貫通筒体１１を
その外周面に耐火材１３が付着されていない状態で貫通
孔１９内に挿通し、その後、貫通孔１９の内周面と筒本
体１２の外周面との間の隙間に、充填器等によりゲル状
又は液状の無機発泡接着剤を充填してもよい。このよう
に構成した場合、隙間の大きさに対応させて充填される
無機発泡接着剤の量を調節することができる。従って、
貫通孔１９の内周面と筒本体１２の外周面との間の隙間
を、耐火充填材１７により確実に充填閉鎖することがで
きる。また、無機発泡接着剤の浪費を防止して施工コス
トの低減を図ることができる。In each embodiment, the penetrating cylinder 11 is inserted into the through-hole 19 without the refractory material 13 attached to the outer peripheral surface thereof. A gel or liquid inorganic foamed adhesive may be filled in the gap between the outer peripheral surface and a filler or the like. With this configuration, the amount of the inorganic foam adhesive to be filled can be adjusted according to the size of the gap. Therefore,
The gap between the inner peripheral surface of the through hole 19 and the outer peripheral surface of the cylinder body 12 can be reliably filled and closed with the refractory filler 17. In addition, it is possible to prevent waste of the inorganic foam adhesive and reduce the construction cost.
【００５２】・ 各実施形態において、貫通筒体１１を
貫通孔１９内に挿通したとき、貫通孔１９の両開口部に
対応する筒本体１２の外周面に２箇所に耐火材１３を予
め付着してもよい。このように構成した場合、耐火材１
３を節約して製造コストの低減を図ることができる。In each embodiment, when the through cylinder 11 is inserted into the through hole 19, the refractory material 13 is previously attached to two places on the outer peripheral surface of the cylinder body 12 corresponding to both openings of the through hole 19. You may. In this case, the refractory material 1
3 can be saved, and the manufacturing cost can be reduced.
【００５３】・ 各実施形態において、図１２に示すよ
うに、２個の鉄製の筒状体１４を、各端部同士が相対向
して離間した状態で配置する。さらに、各端部同士の間
に、セラミックスや陶磁器等の、筒状体１４より熱伝導
率の低い非金属材料により、断面Ｔ字状に形成された熱
伝導低下手段としての介装部材２９の下端部を介装させ
る。このとき、介装部材２９により両筒状体１４の端部
間の隙間を閉塞しないように互いに離間した状態で介装
してもよく、介装部材２９を筒状体１４の端部に沿って
配置して両筒状体１４の端部間の隙間を閉塞してもよ
い。In each embodiment, as shown in FIG. 12, two iron tubular bodies 14 are arranged with their respective ends facing each other and separated from each other. Further, between the end portions, a non-metallic material having a lower thermal conductivity than the cylindrical body 14, such as ceramics or ceramics, is used to form a T-shaped interposed member 29 having a T-shaped cross section. The lower end is interposed. At this time, the interposition members 29 may be interposed in a state of being separated from each other so as not to close the gap between the ends of the two cylindrical bodies 14. The gap between the end portions of the two tubular bodies 14 may be closed.
【００５４】次に、筒状体１４の端部と介装部材２９と
を接合し、その接合状態における２個の筒状体１４によ
り筒本体１２を形成するとともに、２個の筒状体１４の
間に介装部材２９により熱伝導低下手段を形成する。さ
らに、各筒状体１４の相対向する端部の外周面に耐火材
１３を付着する又は施工時に筒状体１４外周面と貫通孔
１９内周面との間に耐火材１３を設けてもよく、耐火材
１３として前記熱膨張材や化学反応により膨張、硬化す
る材料を使用して耐火充填材１７を形成してもよい。Next, the end portion of the cylindrical body 14 and the interposition member 29 are joined, and the cylindrical body 12 is formed by the two cylindrical bodies 14 in the joined state. A heat conduction lowering means is formed by the interposition member 29 between them. Further, the refractory material 13 may be attached to the outer peripheral surface of the opposite end of each cylindrical body 14 or the refractory material 13 may be provided between the outer peripheral surface of the cylindrical body 14 and the inner peripheral surface of the through hole 19 at the time of construction. Alternatively, the refractory filler 17 may be formed by using the thermal expansion material or a material which expands and hardens due to a chemical reaction as the refractory material 13.
【００５５】また、図示しないが介装部材２９を円環状
に形成し、その介装部材２９の両端部に、２個の筒状体
１４を各端部同士が相対向するとともに、離間して隙間
を有する状態で内嵌する。そして、その内嵌状態で２個
の筒状体１４により筒本体１２を形成するとともに、２
個の筒状体１４の間に介装部材２９により熱伝導低下手
段を形成してもよい。Although not shown, the interposition member 29 is formed in an annular shape, and two cylindrical bodies 14 are provided at both ends of the interposition member 29 such that the ends face each other and are separated from each other. It fits inside with a gap. Then, the cylindrical body 12 is formed by the two cylindrical bodies 14 in the state of being fitted inside, and
The heat conduction reducing means may be formed between the individual cylindrical bodies 14 by the interposition member 29.
【００５６】なお、筒状体１４を楕円筒状、三角筒状、
五角筒状、六角筒状等に変更してもよく、筒状体１４の
形状変更に対応して介装部材２９を楕円枠状、三角枠
状、五角枠状、六角枠状等に変更してもよい。さらに、
２個以上の筒状体１４を介装部材２９を介装して筒本体
１２を構成してもよい。It is to be noted that the cylindrical body 14 has an elliptical cylindrical shape, a triangular cylindrical shape,
The shape may be changed to a pentagonal cylinder, a hexagonal cylinder, or the like, and the interposition member 29 may be changed to an elliptical frame, a triangular frame, a pentagonal frame, a hexagonal frame, or the like in response to the shape change of the cylindrical body 14. You may. further,
The cylinder main body 12 may be configured by interposing the interposition member 29 with two or more cylindrical bodies 14.
【００５７】このように構成した場合、介装部材２９は
熱伝導の低い材料により形成されているため、筒本体１
２の一端側から他端側への熱伝導をより低下させること
ができる。In such a configuration, since the interposition member 29 is formed of a material having low heat conductivity, the cylinder body 1
The heat conduction from one end of the second 2 to the other end can be further reduced.
【００５８】・ 第１実施形態においては円柱状又は円
筒状、第２実施形態においては四角柱状又は四角枠状を
なす金属材料又は非金属材料製の連結部材３０の両端部
に、図１３（ａ）に示すように、２個の鉄製の筒状体１
４を、各端部同士が相対向するとともに、離間して隙間
を有する状態で外嵌する。そして、その外嵌状態で２個
の筒状体１４を連結するとともに、両筒状体１４の端部
外周面に耐火材１３を付着する又は施工時に筒状体１４
外周面と貫通孔１９内周面との間に耐火材１３を設けて
もよい。なお、筒状体１４を楕円筒状、三角筒状、五角
筒状、六角筒状等に変更してもよく、２個以上の筒状体
１４を連結部材３０の外嵌して筒本体１２を構成しても
よい。In the first embodiment, the connecting members 30 made of a metal material or a non-metal material having a columnar shape or a cylindrical shape in the second embodiment and a quadrangular prism shape or a square frame shape in the second embodiment are attached to both ends of FIG. ), Two iron cylinders 1
4 is externally fitted in a state where the respective ends face each other and are separated from each other with a gap. Then, the two cylindrical bodies 14 are connected in the externally fitted state, and the refractory material 13 is attached to the outer peripheral surface of the end of the two cylindrical bodies 14 or the cylindrical bodies 14 are
The refractory material 13 may be provided between the outer peripheral surface and the inner peripheral surface of the through hole 19. Note that the cylindrical body 14 may be changed to an elliptical cylindrical shape, a triangular cylindrical shape, a pentagonal cylindrical shape, a hexagonal cylindrical shape, or the like. May be configured.
【００５９】そして、まず、図１３（ａ）に示すよう
に、連結部材３０により連結された２個の筒状体１４を
貫通孔１９に挿通し、いずれか一方の筒状体１４の端部
を加熱する。すると、連結部材３０が金属材料の場合、
その熱が一方又は他方の筒状体１４から連結部材３０を
伝導して他方又は一方の筒状体１４へ効率良く伝導す
る。そのため、耐火材１３を容易に発泡させて固定手段
としての耐火充填材１７を容易に形成することができ
る。また、連結部材３０が非金属材料製の場合は、両筒
状体１４の外端部又は両筒状体１４の内側を加熱して耐
火材１３を発泡させる。First, as shown in FIG. 13 (a), the two cylindrical members 14 connected by the connecting member 30 are inserted into the through holes 19, and the end of one of the cylindrical members 14 is formed. Heat. Then, when the connecting member 30 is a metal material,
The heat is conducted from one or the other cylindrical body 14 to the connecting member 30 and is efficiently conducted to the other or the one cylindrical body 14. Therefore, the refractory material 13 can be easily foamed, and the refractory filler 17 as a fixing means can be easily formed. When the connecting member 30 is made of a non-metallic material, the outer ends of the tubular members 14 or the insides of the tubular members 14 are heated to foam the refractory material 13.
【００６０】耐火充填材１７により貫通孔１９の内周面
と、両筒状体１４外周面との隙間が充填されるととも
に、両筒状体１４が壁１８に固設された後、図１３
（ｂ）に２点鎖線で示すように、連結部材３０を両筒状
体１４内から除去する。すると、両筒状体１４により筒
本体１２が形成されるとともに、その両筒状体１４の相
対向する端部同士の間に、筒本体１２を分断してその周
方向に沿って延びる熱伝導低下手段としてのスリット１
６を形成することができる。After the gap between the inner peripheral surface of the through hole 19 and the outer peripheral surface of the two cylindrical bodies 14 is filled with the refractory filler 17 and the two cylindrical bodies 14 are fixed to the wall 18, FIG.
As shown by a two-dot chain line in (b), the connecting member 30 is removed from the inside of both tubular bodies 14. Then, the cylindrical body 12 is formed by the two cylindrical bodies 14, and the heat conduction extending along the circumferential direction by dividing the cylindrical body 12 between the opposed ends of the two cylindrical bodies 14. Slit 1 as lowering means
6 can be formed.
【００６１】このように構成した場合、スリット１６に
より両筒状体１４の端部同士は離間しているため、万一
火災が発生しても、そのスリット１６により、筒本体１
２の一端側から他端側への熱伝導をほとんどなくすこと
ができる。その結果、例えば筒本体１２から耐火閉塞材
２７を介してケーブル２６に引火したり、筒本体１２の
他端側付近にある可燃物等に引火したりするといったお
それを効果的になくすことができる。In such a configuration, since the ends of the two cylindrical bodies 14 are separated from each other by the slit 16, even if a fire should occur, the cylindrical body 1 can be cut by the slit 16.
The heat conduction from one end of the second to the other end can be almost eliminated. As a result, for example, it is possible to effectively eliminate the risk of igniting the cable 26 from the cylinder main body 12 via the fireproof blocking material 27 or igniting a combustible material or the like near the other end of the cylinder main body 12. .
【００６２】加えて、連結部材３０により連結された２
個の筒状体１４を貫通孔１９に挿通し、その両筒状体１
４を固定手段としての固定金具を使用して壁１８に予め
固定する。そして、両筒状体１４が壁１８に固設された
後、連結部材３０を両筒状体１４内から除去する。する
と、両筒状体１４により筒本体１２が形成されるととも
に、その両筒状体１４の相対向する端部同士の間に、筒
本体１２を分断してその周方向に沿って延びる熱伝導低
下手段としてのスリット１６を形成することができる。In addition, the two members connected by the connecting member 30
The two cylindrical bodies 14 are inserted into the through holes 19 and the two cylindrical bodies 1
4 is pre-fixed to the wall 18 using a fixing fitting as fixing means. After the tubular members 14 are fixed to the wall 18, the connecting member 30 is removed from the inside of the tubular members 14. Then, the cylindrical body 12 is formed by the two cylindrical bodies 14, and the heat conduction extending along the circumferential direction by dividing the cylindrical body 12 between the opposed ends of the two cylindrical bodies 14. A slit 16 can be formed as a lowering means.
【００６３】その後、２個の筒状体１４の外周面と貫通
孔１９の内周面との間を、耐火材１３、前記熱膨張材、
化学反応により膨張、硬化する材料を使用して耐火充填
材１７を形成して埋めてもよい。また、非金属材料製の
連結部材３０としては、紙材料や合成樹脂材料製等によ
り形成したものを使用してもよい。Thereafter, a space between the outer peripheral surface of the two cylindrical bodies 14 and the inner peripheral surface of the through hole 19 is formed between the refractory material 13, the thermal expansion material,
The refractory filler 17 may be formed and filled using a material that expands and hardens due to a chemical reaction. Further, as the connecting member 30 made of a nonmetallic material, a member formed of a paper material, a synthetic resin material, or the like may be used.
【００６４】なお、連結部材３０が筒状体１４より熱伝
導率が低い非金属材料製により枠状に形成されている場
合は、連結部材３０を介装部材２９として使用すること
ができ、除去しなくてもよい。When the connecting member 30 is formed in a frame shape from a non-metallic material having a lower thermal conductivity than the cylindrical body 14, the connecting member 30 can be used as the interposition member 29 and can be removed. You don't have to.
【００６５】・ 各実施形態では防火区画部としての壁
１８用の貫通筒体１１に具体化したが、防火区画部とし
て床、天井等に貫通筒体１１を設置してもよい。また、
被貫通体としてケーブル２６に具体化したが、被貫通体
として配管、鞘管、光ファイバーケーブル、電話線等を
貫通筒体１１内に挿通してもよい。In each of the embodiments, the through cylinder 11 for the wall 18 as the fire protection compartment is embodied. However, the penetration cylinder 11 may be installed on the floor, ceiling, or the like as the fire protection compartment. Also,
Although the cable 26 is embodied as the penetrated body, a pipe, a sheath tube, an optical fiber cable, a telephone line, or the like may be inserted into the penetrating cylinder 11 as the penetrated body.
【００６６】・ 各実施形態において、一本の筒状体１
４の中央又はその長さ方向の任意の位置に、筒状体１４
の周方向に沿って連結部１５を１箇所、２箇所又は３箇
所以上残して切り欠いてスリット１６を形成してもよ
い。また、２個以上の筒状体１４を連結して筒本体１２
を構成するとともに、相対向する筒状体１４の端部同士
の間にスリット１６を形成してもよい。In each embodiment, one cylindrical body 1
4 or the cylindrical body 14 at an arbitrary position in the length direction thereof.
The slit 16 may be formed by cutting out the connection portion 15 while leaving one, two, or three or more portions along the circumferential direction of. Further, two or more cylindrical bodies 14 are connected to form a cylindrical main body 12.
And a slit 16 may be formed between the ends of the cylindrical body 14 facing each other.
【００６７】・ 各実施形態において、図１４に示すよ
うに、筒本体１２の外周面に目盛３１を設けてもよい。
このように構成した場合、筒本体１２を貫通孔１９に設
置する作業を目盛３１を基準に行うことができ、貫通筒
体１１の設置作業を容易に行うことができる。なお、図
１４に示すように、耐火材１３を筒本体１２の外周面に
予め付着せず、筒本体１２の貫通孔１９内への挿通後
に、充填してもよく、耐火材１３を筒本体１２の外周面
に予め付着しておいてもよい。In each embodiment, as shown in FIG. 14, a scale 31 may be provided on the outer peripheral surface of the cylinder main body 12.
In the case of such a configuration, the work of installing the cylinder main body 12 in the through hole 19 can be performed with reference to the scale 31, and the work of installing the through cylinder 11 can be easily performed. As shown in FIG. 14, the refractory material 13 may not be attached to the outer peripheral surface of the cylinder body 12 in advance, but may be filled after the cylinder body 12 is inserted into the through hole 19. 12 may be attached to the outer peripheral surface in advance.
【００６８】さらに、前記実施形態より把握できる技術
的思想について以下に記載する。 ・ 前記耐火材はアルカリ珪酸塩と、硼酸亜鉛と、未焼
成バーミキュライトと、合成膨潤性雲母及び合成スメク
タイトから選ばれる少なくとも一種とを含む組成物から
なる請求項７〜請求項９のいずれか一項に記載の防火区
画用の貫通筒体。このように構成した場合、耐火材が確
実に発泡、硬化して耐火充填材を形成するため、その耐
火充填材により貫通孔の内周面と筒本体の外周面との間
の隙間を確実に閉塞することができる。Further, the technical ideas that can be grasped from the above embodiment will be described below. The refractory material according to any one of claims 7 to 9, wherein the refractory material is a composition containing an alkali silicate, zinc borate, unfired vermiculite, and at least one selected from synthetic swelling mica and synthetic smectite. 4. A penetration cylinder for a fire protection compartment according to claim 1. In such a configuration, the refractory material is reliably foamed and hardened to form a refractory filler, so that the refractory filler reliably forms a gap between the inner peripheral surface of the through hole and the outer peripheral surface of the cylinder body. Can be closed.
【００６９】・ 前記筒本体は少なくとも２個の金属材
料製の筒状体を、それらの筒状体の相対向する端部同士
を少なくとも３箇所でスポット溶接して形成されている
請求項３に記載の防火区画用の貫通筒体。このように構
成した場合、筒状体同士を確実に連結することができ
る。The cylindrical body according to claim 3, wherein the cylindrical body is formed by spot welding at least three cylindrical bodies made of a metal material at opposite ends of the cylindrical bodies at at least three places. A penetration cylinder for a fire protection compartment as described in the above. With such a configuration, the tubular bodies can be reliably connected to each other.
【００７０】[0070]
【発明の効果】以上詳述したように、この発明によれ
ば、次のような効果を奏する。請求項１に記載の発明の
防火区画用の貫通筒体によれば、筒本体の一端側から他
端側又は他端側から一端側への熱伝導を低下させること
ができる。As described above in detail, according to the present invention, the following effects can be obtained. According to the first aspect of the present invention, heat conduction from one end to the other end or from the other end to the one end of the tube main body can be reduced.
【００７１】請求項２に記載の発明の防火区画用の貫通
筒体によれば、請求項１に記載の発明の効果に加えて、
スリットにより筒本体の一端側と他端側とは分断されて
いるため、筒本体の一端側から他端側又は他端側から一
端側への熱伝導をより一層低下させることができる。According to the second aspect of the present invention, in addition to the effect of the first aspect,
Since the one end side and the other end side of the cylinder main body are separated by the slit, the heat conduction from the one end side to the other end side or from the other end side to the one end side of the cylinder main body can be further reduced.
【００７２】請求項３に記載の発明の防火区画用の貫通
筒体によれば、請求項２に記載の発明の効果に加えて、
筒本体の強度を維持することができる。請求項４に記載
の発明の防火区画用の貫通筒体によれば、請求項２又は
請求項３に記載の発明の効果に加えて、筒本体さらには
スリットを容易に形成することができる。According to the third aspect of the present invention, in addition to the effect of the second aspect,
The strength of the cylinder body can be maintained. According to the through cylinder for a fire prevention compartment according to the fourth aspect of the invention, in addition to the effects of the second or third aspect of the invention, the cylinder main body and further the slit can be easily formed.
【００７３】請求項５に記載の発明の防火区画用の貫通
筒体によれば、請求項１に記載の発明の効果に加えて、
筒本体に熱伝導低下手段を容易に形成することができ
る。また、介装部材は筒状体より熱伝導の低い材料によ
り形成されているため、筒本体の一端側から他端側への
熱伝導をより低下させることができる。According to the fifth aspect of the present invention, in addition to the effect of the first aspect,
Heat conduction reducing means can be easily formed on the cylinder body. In addition, since the interposition member is formed of a material having lower heat conductivity than the cylindrical body, it is possible to further reduce the heat conduction from one end of the cylindrical body to the other end.
【００７４】請求項６に記載の発明の防火区画用の貫通
筒体によれば、請求項１に記載の発明の効果に加えて、
連結部材の除去後、筒状体の相対向する端部同士が離間
しているため、筒本体の一端側から他端側又は他端側か
ら一端側への熱の伝導をより効果的に低下させることが
できる。According to the sixth aspect of the present invention, in addition to the effect of the first aspect,
After the removal of the connecting member, the opposed ends of the tubular body are separated from each other, so that the heat conduction from one end to the other end or from the other end to the one end of the tubular body is more effectively reduced. Can be done.
【００７５】請求項７に記載の発明の防火区画用の貫通
筒体によれば、請求項１〜請求項６のいずれか一項に記
載の発明の効果に加えて、貫通筒体の施工作業の簡易化
を図ることができる。According to the seventh aspect of the present invention, in addition to the effects of any one of the first to sixth aspects of the present invention, in addition to the effect of the first aspect of the present invention, the construction of the through-hole cylinder Can be simplified.
【００７６】請求項８に記載の発明の防火区画用の貫通
筒体によれば、請求項７に記載の発明の効果に加えて、
耐火材を直接加熱する場合と異なり、貫通筒体の施工作
業の簡易化を図ることができる。According to the through cylinder for a fire protection compartment according to the invention of claim 8, in addition to the effect of the invention of claim 7,
Unlike the case where the refractory material is directly heated, it is possible to simplify the work of installing the penetrating cylinder.
【００７７】請求項９に記載の発明の防火区画用の貫通
筒体によれば、請求項７又は請求項８に記載の発明の効
果に加えて、貫通筒体が固設された建築物に万一火災が
発生しても、耐火材が発泡して形成される耐火充填材は
炭化せず所要の防火機能を維持することができる。According to the ninth aspect of the present invention, in addition to the effect of the seventh or eighth aspect, the present invention is applied to a building in which the through-hole cylinder is fixed. Even in the event of a fire, the refractory filler formed by foaming the refractory material does not carbonize and can maintain the required fire protection function.
【００７８】請求項１０に記載の発明の防火区画用の貫
通筒体の防火区画部への固設方法によれば、連結部材の
除去後、貫通筒体が固設された建築物に万一火災が発生
しても、筒状体の相対向する端部同士は離間しているた
め、筒本体の一端側から他端側又は他端側から一端側へ
の熱の伝導を効果的に低下させることができる。According to the tenth aspect of the present invention, in the method of fixing the through-tube for a fire-prevention section to the fire-prevention section, after removing the connecting member, the building in which the through-tube is fixed should be used. Even in the event of a fire, the opposite ends of the tubular body are spaced apart, effectively reducing heat conduction from one end of the tubular body to the other end or from the other end to the one end. Can be done.
【００７９】請求項１１に記載の発明の防火区画用の貫
通筒体の防火区画部への固設方法によれば、請求項１０
に記載の発明の効果に加え、各筒状体の防火区画部への
固設時に、筒状体の外端部を加熱したとき、熱が筒状体
から連結部材を伝導して耐火材へ伝導する。そのため、
耐火材を容易に発泡させて耐火充填材を容易に形成する
ことができ、貫通筒体の固設作業の簡易化を図ることが
できる。According to the eleventh aspect of the present invention, in accordance with the method for fixing a penetration tubular body for a fire prevention section to a fire prevention section, the tenth aspect of the present invention is provided.
In addition to the effect of the invention described in the above, when the outer end portion of the tubular body is heated when the tubular body is fixed to the fire protection section, the heat is transmitted from the tubular body to the connecting member to the refractory material. Conduct. for that reason,
The refractory material can be easily foamed to easily form the refractory filler, and the work of fixing the penetrating cylinder can be simplified.
【図１】 第１実施形態の貫通筒体を示す斜視図。FIG. 1 is a perspective view showing a through cylinder according to a first embodiment.
【図２】 （ａ）は第１実施形態の貫通筒体を示す側面
図、（ｂ）は第１実施形態の貫通筒体を示す図２（ａ）
の２−２線断面図。FIG. 2A is a side view showing a through cylinder according to the first embodiment, and FIG. 2B is a view showing a through cylinder according to the first embodiment;
2-2 sectional drawing of a line.
【図３】 一対の枠体間にボイド管をセットした状態を
示す部分側断面図。FIG. 3 is a partial side sectional view showing a state where a void tube is set between a pair of frame bodies.
【図４】 貫通孔に挿通された貫通筒体を加熱する状態
の部分側断面図。FIG. 4 is a partial sectional side view of a state in which the through-tube body inserted into the through-hole is heated.
【図５】 耐火材が発泡して耐火充填材を形成した状態
の部分側断面図。FIG. 5 is a partial side sectional view showing a state in which a refractory material is foamed to form a refractory filler.
【図６】 筒本体内にケーブルを挿通した状態を示す部
分側断面図。FIG. 6 is a partial sectional side view showing a state where a cable is inserted into a cylinder main body.
【図７】 第２実施形態の貫通筒体を示す斜視図。FIG. 7 is a perspective view showing a through cylinder according to a second embodiment.
【図８】 （ａ）は第２実施形態の貫通筒体を示す図８
（ｂ）の８−８線断面図、（ｂ）は第２実施形態の貫通
筒体を示す側面図。FIG. 8A is a view showing a through cylinder according to a second embodiment;
FIG. 8B is a cross-sectional view taken along line 8-8, and FIG. 9B is a side view showing the through-tube body of the second embodiment.
【図９】 第２実施形態の壁の貫通孔を示す部分斜視
図。FIG. 9 is a partial perspective view showing a through hole in a wall according to the second embodiment.
【図１０】 貫通孔に挿通された貫通筒体を加熱する状
態の部分斜視図。FIG. 10 is a partial perspective view of a state in which the through-tube body inserted into the through-hole is heated.
【図１１】 筒本体内にケーブルを挿通した状態を示す
部分斜視図。FIG. 11 is a partial perspective view showing a state in which a cable is inserted into the tube main body.
【図１２】 貫通筒体の別例を示す部分側断面図。FIG. 12 is a partial side cross-sectional view showing another example of a through cylindrical body.
【図１３】 （ａ）は別例の貫通筒体を貫通孔に設置し
た状態を示す部分側断面図、（ｂ）は連結部材を除去し
た状態を示す側断面図。FIG. 13A is a partial side sectional view showing a state in which another example of a through cylinder is installed in a through hole, and FIG. 13B is a side sectional view showing a state in which a connecting member is removed.
【図１４】 外周面に目盛を設けた別例の筒本体を示す
側面図。FIG. 14 is a side view showing another example of a cylinder main body provided with a scale on the outer peripheral surface.
１１…防火区画用の貫通筒体、１２…筒本体、１３…耐
火材、１４…筒状体、１５…連結部、１６…熱伝導低下
手段としてのスリット、１８…防火区画部としての壁、
１９…貫通孔、２６…被貫通体としてのケーブル、２９
…熱伝導低下手段又は連結部材としての介装部材、３０
…連結部材。11: penetration cylinder for fire protection compartment; 12: cylinder main body; 13: refractory material; 14: tubular body; 15: connecting portion; 16: slit as heat conduction reducing means; 18: wall as fire protection compartment;
19: Through-hole, 26: Cable as object to be penetrated, 29
... Interposed member as heat conduction reducing means or connecting member, 30
... Connecting member.
Claims (11)
に挿通され、内部に被貫通体を貫通支持して、同防火区
画部に当該被貫通体を貫通支持させるための防火区画用
の貫通筒体であって、 金属材料製の筒本体と、その筒本体の一端側と他端側と
の間に設けられ、筒本体の一端側から他端側又は他端側
から一端側への熱伝導を低下させるための熱伝導低下手
段とよりなる防火区画用の貫通筒体。1. A fire protection compartment for being inserted into a through hole formed in a fire protection compartment of a building, penetrating and supporting an object to be penetrated therein, and allowing the fire penetration compartment to support the object to be penetrated. A cylindrical body made of a metal material, provided between one end and the other end of the cylindrical body, from one end to the other end or from the other end to the one end of the cylindrical body. A penetration cylinder for a fire prevention section, comprising a heat conduction reducing means for reducing the heat conduction of the cylinder.
と他端側とを分断すべく同筒本体の周方向に沿って設け
られたスリットである請求項１に記載の防火区画用の貫
通筒体。2. The fire protection compartment according to claim 1, wherein the heat conduction reducing means is a slit provided along a circumferential direction of the cylinder main body so as to divide one end side and the other end side of the cylinder main body. Of the penetrating cylinder.
端側とを部分的に連結する連結部が設けられている請求
項２に記載の防火区画用の貫通筒体。3. The penetration cylinder body for a fire prevention compartment according to claim 2, wherein the slit is provided with a connection portion that partially connects one end side and the other end side of the cylinder main body.
料製の筒状体を、それら筒状体の相対向する端部同士が
離間した状態で部分的に溶接して形成し、前記スリット
を前記離間部分に形成したものである請求項２又は請求
項３に記載の防火区画用の貫通筒体。4. The cylindrical body is formed by partially welding at least two cylindrical bodies made of a metal material in a state where opposing ends of the cylindrical bodies are separated from each other, and wherein the slit is formed. The through-hole body for a fire prevention compartment according to claim 2 or 3, wherein a through-hole is formed in the separated portion.
を、それらの相対向する端部同士が離間すべく筒状体よ
り熱伝導率の低い非金属材料製の介装部材を介装して連
結し、その連結状態において前記少なくとも２個の筒状
体により筒本体を形成するとともに、前記熱伝導低下手
段を各筒状体の端部同士を離間した状態で連結する介装
部材により形成した請求項１に記載の防火区画用の貫通
筒体。5. An interposed member made of a non-metallic material having a lower thermal conductivity than the cylindrical body so that at least two opposite ends of the cylindrical body are separated from each other. In the connected state, a tubular body is formed by the at least two tubular bodies, and the heat conduction reducing means is connected by an interposition member that connects the tubular bodies in a state where the ends of the tubular bodies are separated from each other. The through-hole cylinder for a fire protection compartment according to claim 1 formed.
を、それらの相対向する端部同士が離間した状態で連結
部材により連結し、各筒状体の連結部材による連結状態
で貫通孔内での防火区画部に対する固設状態において、
前記連結部材を除去して前記少なくとも２個の筒状体に
より筒本体を形成するとともに、前記熱伝導低下手段を
前記離間部分に形成されるスリットにより形成した請求
項１に記載の防火区画用の貫通筒体。6. A cylindrical member made of at least two metallic materials is connected by a connecting member in a state in which opposing ends thereof are separated from each other, and a through-hole is formed by connecting the cylindrical members by the connecting member. In the fixed state with respect to the fire protection compartment in the
2. The fire protection compartment according to claim 1, wherein the connecting member is removed to form a tubular main body by the at least two tubular bodies, and the heat conduction reducing unit is formed by a slit formed in the separated portion. 3. Penetrating cylinder.
張する材料より形成された耐火材が設けられ、防火区画
部の貫通孔内への筒本体の挿入状態において、前記耐火
材はその膨張状態で筒本体の外周面と貫通孔の内周面と
の間を閉塞する請求項１〜請求項６のいずれか一項に記
載の防火区画用の貫通筒体。7. A fire-resistant material formed of a material that expands by heating is provided on an outer peripheral surface of the cylinder body, and when the cylinder body is inserted into a through-hole of a fire protection compartment, the fire-resistant material is removed. The penetration cylinder body for a fire prevention section according to any one of claims 1 to 6, which closes a gap between an outer periphery surface of the cylinder body and an inner periphery surface of the through hole in an expanded state.
り膨張する請求項７に記載の防火区画用の貫通筒体。8. The penetration cylinder for a fire protection compartment according to claim 7, wherein the refractory material expands by heating the cylinder main body.
れている請求項７又は請求項８に記載の防火区画用の貫
通筒体。9. The penetration cylinder for a fire protection compartment according to claim 7, wherein the refractory material is formed of an inorganic foam material.
孔に挿通され、内部に被貫通体を貫通支持して、同防火
区画部に当該被貫通体を貫通支持させるための防火区画
用の貫通筒体の防火区画部への固設方法であって、少な
くとも２個の金属材料製の筒状体を、それらの相対向す
る端部同士が離間した状態で連結部材により連結した状
態で前記貫通孔に挿通し、固定手段により各筒状体を貫
通孔内で防火区画部に固設した後に、前記連結部材を除
去して、少なくとも２個の筒状体により筒本体を形成す
るとともに、前記離間部分に形成されたスリットにより
熱伝導低下手段を形成して貫通筒体を構成する防火区画
用の貫通筒体の防火区画部への固設方法。10. A fire protection section for being inserted into a through hole formed in a fire protection section of a building, penetrating and supporting the object to be penetrated therein, and allowing the fire protection section to penetrate and support the object to be fired. A method of fixing a through-tube body to a fire-prevention section, wherein at least two cylindrical bodies made of a metal material are connected by a connection member in a state where their opposed ends are separated from each other. After being inserted into the through-hole and fixing each tubular body to the fire prevention section in the through-hole by the fixing means, the connecting member is removed, and a tubular main body is formed by at least two tubular bodies. A method for fixing a through-tube for a fire-prevention section constituting a through-tube to a fire-prevention section by forming a heat-conduction reducing means by a slit formed in the separated portion.
くとも２個の筒状体をそれらの相対向する端部同士が離
間した状態で外嵌可能に形成されたものであり、前記固
定手段は、各筒状体の外周面に設けられるとともに、加
熱により膨張する材料製の耐火材を、筒状体の加熱によ
り各筒状体及び連結部材を介して加熱膨張させて形成さ
れる耐火充填材により貫通孔の内周面と各筒状体の外周
面との間の隙間を埋めて構成されるものである請求項１
０に記載の防火区画用の貫通筒体の防火区画部への固設
方法。11. The connecting member is formed of a metal material so that at least two cylindrical bodies can be fitted to each other with their opposing ends separated from each other. A refractory material made of a material that is provided on the outer peripheral surface of each cylindrical body and expands by heating, and is formed by heating and expanding through each cylindrical body and the connecting member by heating the cylindrical body. 2. A structure in which a gap between an inner peripheral surface of the through hole and an outer peripheral surface of each cylindrical body is filled.
0. The method for fixing a penetration tubular body for a fire protection section to a fire protection section according to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000098814A JP3836297B2 (en) | 2000-03-31 | 2000-03-31 | Penetration cylinder for fire protection compartment and its fixing method to fire protection compartment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000098814A JP3836297B2 (en) | 2000-03-31 | 2000-03-31 | Penetration cylinder for fire protection compartment and its fixing method to fire protection compartment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001276252A true JP2001276252A (en) | 2001-10-09 |
| JP3836297B2 JP3836297B2 (en) | 2006-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000098814A Expired - Fee Related JP3836297B2 (en) | 2000-03-31 | 2000-03-31 | Penetration cylinder for fire protection compartment and its fixing method to fire protection compartment |
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| Country | Link |
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| JP (1) | JP3836297B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019214932A (en) * | 2019-07-19 | 2019-12-19 | 積水化学工業株式会社 | Fire resistant structure |
| JP2021028532A (en) * | 2019-08-13 | 2021-02-25 | 未来工業株式会社 | Sleeve block device, sleeve, bushing, sleeve block structure and manufacturing method of sleeve block structure |
-
2000
- 2000-03-31 JP JP2000098814A patent/JP3836297B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019214932A (en) * | 2019-07-19 | 2019-12-19 | 積水化学工業株式会社 | Fire resistant structure |
| JP2021028532A (en) * | 2019-08-13 | 2021-02-25 | 未来工業株式会社 | Sleeve block device, sleeve, bushing, sleeve block structure and manufacturing method of sleeve block structure |
| JP7332388B2 (en) | 2019-08-13 | 2023-08-23 | 未来工業株式会社 | Sleeve closure device, sleeve, bushing, sleeve closure structure, and method of making sleeve closure structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3836297B2 (en) | 2006-10-25 |
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