JP5105175B2 - Smoke-proof tape - Google Patents

Smoke-proof tape Download PDF

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JP5105175B2
JP5105175B2 JP2008054847A JP2008054847A JP5105175B2 JP 5105175 B2 JP5105175 B2 JP 5105175B2 JP 2008054847 A JP2008054847 A JP 2008054847A JP 2008054847 A JP2008054847 A JP 2008054847A JP 5105175 B2 JP5105175 B2 JP 5105175B2
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smoke
door
foamable
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layer
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JP2009209607A (en
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正之 広田
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Shimizu Corp
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本発明は、建物の開口部に設置された戸枠と扉の隙間に設けられ、火災時に発生した煙が隙間を通じて拡散することを防止するための防煙テープに関する。   The present invention relates to a smoke-proof tape that is provided in a gap between a door frame and a door installed in an opening of a building and prevents smoke generated during a fire from diffusing through the gap.

従来、火災時に熱や煙の拡散を抑えるために、自閉式の不燃扉や防火扉が建物に設置されている。また、この種の扉においては、例えば図７に示すように、平常時の扉１の開閉を円滑にして使い勝手を確保するために、扉閉鎖時においても戸枠２と扉１の間に（扉１の周囲に）若干の隙間Ｈを設けるようにして設置されている。   Conventionally, self-closing incombustible doors and fire doors have been installed in buildings in order to suppress diffusion of heat and smoke during a fire. Further, in this type of door, for example, as shown in FIG. 7, in order to smoothly open and close the door 1 during normal times and ensure usability, the door frame 2 and the door 1 are It is installed so as to provide a slight gap H around the door 1.

このため、この種の扉は、火災時に火災の延焼を防止する大きな効果を発揮できるものの戸枠と扉との隙間から煙が漏出（拡散）してしまう。そして、例えば火災時に主要な避難路となる階段室に、階段室扉と戸枠の隙間から煙が侵入した場合には、特に高齢者の避難には長時間を要することを考えると、僅かな煙の侵入でも重大な事態を招くおそれがある。また、意匠上、階段室扉を天井高と同レベルで設置した建物が多くなっており、このような場合には、階段室扉が大面積になるとともに戸枠と扉の隙間が大きくなるため、火災時の煙の侵入量が増大し、危険性がさらに高くなる。   For this reason, although this type of door can exhibit a great effect of preventing the spread of fire during a fire, smoke leaks (diffuses) from the gap between the door frame and the door. And, for example, if smoke enters the staircase that becomes the main evacuation route in the event of a fire through the gap between the staircase door and the door frame, especially considering that it takes a long time to evacuate the elderly, Smoke intrusion can cause serious problems. In addition, there are many buildings with staircase doors installed at the same level as the ceiling height due to the design. In such cases, the staircase doors are large and the gap between the door frame and the doors is large. In addition, the amount of smoke intrusion during a fire increases and the danger becomes even higher.

一方、高齢者用にエレベーターを避難路として利用することも考えられているが、通常のエレベーター扉は、閉鎖していても階段室扉以上に煙がエレベーター内に侵入しやすく、現状ではエレベーターの利用も十分に有効とは言えない。また、エレベーターシャフトに給気を行い、エレベーター内の圧力を上げて煙の侵入を防止する対策も考えられるが、この対策では、建物が高層になるほど、ドラフトの影響等により設備容量が著しく増大し、高コストになってしまう。   On the other hand, it is also considered to use an elevator as an evacuation route for elderly people. However, even if an ordinary elevator door is closed, smoke can easily enter the elevator more than the staircase door. Use is not effective enough. In addition, measures to supply air to the elevator shaft and increase the pressure in the elevator to prevent smoke from entering can be considered, but with this measure, the higher the building, the greater the installed capacity due to the influence of the draft, etc. It will be expensive.

これに対し、例えば特許文献１には、扉の周囲にゴム製のシール材を取り付け、扉を閉じるとともにこのシール材で戸枠と扉の隙間を閉塞（シール）するようにして、火災時の煙の漏出を防止する対策が開示されている。
特開２００３−３０１６５５号公報 On the other hand, for example, in Patent Document 1, a rubber seal is attached around the door, the door is closed and the gap between the door frame and the door is closed (sealed) with the seal so Measures to prevent smoke leakage are disclosed.
JP 2003-301655 A

しかしながら、扉の周囲にゴム製のシール材を設ける対策においては、火災時にのみ建物の開口部を閉鎖する扉である場合には効果的であるが、平常時に繰り返し開閉して使用される扉においては、開閉動作毎にシール材が戸枠に当たり、扉の開閉に支障をきたすおそれがあり、また、シール材に摩耗や変形が生じて火災時に確実に煙の漏出を防止できないおそれがある。   However, measures to provide rubber seals around the door are effective when the door is used to close the building opening only in the event of a fire. However, there is a possibility that the sealing material hits the door frame for each opening and closing operation, and the opening and closing of the door may be hindered. Also, the sealing material may be worn or deformed, and it may not be possible to reliably prevent the leakage of smoke during a fire.

本発明は、上記事情に鑑み、平常時の扉の開閉に支障をきたすことがなく、火災時に戸枠と扉の隙間を閉塞させて確実に煙の漏出（拡散）を防止することが可能な防煙シートを提供することを目的とする。   In view of the above circumstances, the present invention can prevent the leakage (diffusion) of smoke without obstructing the opening and closing of the door during normal times and by closing the gap between the door frame and the door in the event of a fire. The object is to provide a smoke-proof sheet.

上記の目的を達するために、この発明は以下の手段を提供している。   In order to achieve the above object, the present invention provides the following means.

本発明の防煙テープは、建物の開口部に設置された戸枠と、前記開口部を開閉自在に前記戸枠に支持された扉との隙間に設けられ、火災時に発生した煙が前記隙間を通じて拡散することを防止するための防煙テープであって、火災時の熱により発泡膨張する珪酸ソーダである発泡材、及び該発泡材の発泡開始温度を調整するアルコール類からなる発泡促進剤を含む発泡性防煙層と、該発泡性防煙層の一面に一体に積層された表面フィルムとを備えて形成され、且つ前記表面フィルムがポリカーボネート、ポリエステル、ポリプロピレン、ポリアミド、ポリイミド、ポリエーテルイミドのいずれかを用いて形成され、前記表面フィルムと前記発泡性防煙層を合わせた厚さが１ｍｍ未満で形成されていることを特徴とする。 The smoke-proof tape of the present invention is provided in a gap between a door frame installed in an opening of a building and a door supported by the door frame so that the opening can be freely opened and closed, and smoke generated in the event of a fire A foam proof tape for preventing diffusion through a foaming material, which is a sodium silicate foamed and expanded by heat at the time of a fire, and a foaming accelerator comprising an alcohol for adjusting the foaming start temperature of the foamed material A foamable smoke-proof layer, and a surface film integrally laminated on one surface of the foamable smoke-proof layer , and the surface film is made of polycarbonate, polyester, polypropylene, polyamide, polyimide, or polyetherimide. It is formed using either, The thickness which combined the said surface film and the said foamable smoke-proof layer is formed with less than 1 mm, It is characterized by the above-mentioned.

この発明においては、火災時に受熱するとともに発泡材が発泡膨張することで発泡性防煙層の厚さ（ひいては防煙テープの厚さ）が増大する。このため、発泡性防煙層の他面を扉の外周面（あるいは戸枠の内周面）に貼り付けて防煙テープを戸枠と扉の隙間に介装して設けることにより、火災時に発泡性防煙層が自動的に発泡膨張して隙間を閉塞させることが可能になる。これにより、火災時に発生した煙が戸枠と扉の隙間を通じて拡散することを防止できる。また、平常時には、発泡性防煙層が発泡膨張していないため（貼り付けた防煙テープの厚さが小さいため）、戸枠と扉の隙間が確保され、円滑に扉の開閉動作を行うことが可能であり、扉の開閉に支障をきたすようなことがない。
さらに、発泡性防煙層の発泡材が珪酸ソーダであることにより、火災時の熱によって確実に珪酸ソーダを発泡膨張させ、発泡性防煙層の厚さを増大させることが可能である。これにより、確実に火災時に発生した煙が戸枠と扉の隙間を通じて拡散することを防止できる。
また、このように発泡材として珪酸ソーダを用いた場合には、平常時に発泡性防煙層を略透明に形成することが可能になり、扉や戸枠への防煙テープの貼り付けによる意匠を損なうことがない。さらに、火災時に発泡膨張するとともに略透明から白色に近い有色に変化するため、放射熱を遮断する効果が得られる。さらに、発泡材として珪酸ソーダを用いることで、防煙テープを安価に形成することが可能になる。 In the present invention, the thickness of the foamable smokeproof layer (and hence the thickness of the smokeproof tape) is increased by receiving heat in the event of a fire and expanding the foamed material. For this reason, by sticking the other surface of the foamable smoke-proof layer to the outer peripheral surface of the door (or the inner peripheral surface of the door frame) and providing the smoke-proof tape in the gap between the door frame and the door, The foamable smoke-proof layer can be automatically foamed and expanded to close the gap. Thereby, it can prevent that the smoke which generate | occur | produced at the time of a fire spreads through the clearance gap between a door frame and a door. In addition, since the foamable smoke-proof layer is not foamed and expanded in normal times (because the thickness of the applied smoke-proof tape is small), the gap between the door frame and the door is secured, and the door can be opened and closed smoothly. It is possible to prevent the door from being opened and closed.
Furthermore, since the foam material of the foamable smokeproof layer is sodium silicate, it is possible to expand the thickness of the foamable smokeproof layer by reliably expanding and expanding the sodium silicate by the heat at the time of fire. Thereby, it is possible to reliably prevent the smoke generated during the fire from diffusing through the gap between the door frame and the door.
In addition, when sodium silicate is used as the foam material in this way, it becomes possible to form the foamable smoke-proof layer almost transparent in normal times, and the design by attaching the smoke-proof tape to the door or door frame Will not be damaged. Furthermore, since it expands and expands at the time of a fire, it changes from substantially transparent to a color close to white, so the effect of blocking radiant heat is obtained. Furthermore, smoke proof tape can be formed at low cost by using sodium silicate as the foam material.

また、発泡性防煙層の一面に表面フィルムが設けられていることで、発泡性防煙層を保護し、且つ発泡性防煙層の発泡性能を長期にわたって好適に維持することが可能になる。さらに、表面フィルムを設けることで、防煙テープに適度な弾力性（柔軟性）を付与することができ、持ち運びや貼り付け作業を容易に行うことが可能になる。   In addition, since the surface film is provided on one surface of the foamable smokeproof layer, the foamable smokeproof layer can be protected and the foaming performance of the foamable smokeproof layer can be suitably maintained over a long period of time. . Furthermore, by providing a surface film, moderate elasticity (flexibility) can be imparted to the smoke-proof tape, and it becomes possible to easily carry and affix it.

また、本発明の防煙テープにおいては、前記発泡性防煙層の他面に剥離可能に裏面フィルムが設けられていることが望ましい。   Moreover, in the smoke-proof tape of this invention, it is desirable that the back film is provided in the other surface of the said foamable smoke-proof layer so that peeling is possible.

この発明においては、貼り付け時に発泡性防煙層の他面に設けられた裏面フィルムを剥がして、発泡性防煙層の他面を扉の外周面や戸枠の内周面に貼り付けるという簡便な操作で、火災時に発生した煙が戸枠と扉の隙間を通じて拡散することを防止できる。このため、新築の建物に限らず、既存の扉や戸枠に容易に貼り付けて遮煙性能を付与することが可能になる。   In this invention, the back film provided on the other surface of the foamable smokeproof layer is peeled off at the time of application, and the other surface of the foamable smokeproof layer is applied to the outer peripheral surface of the door or the inner peripheral surface of the door frame. With a simple operation, smoke generated during a fire can be prevented from diffusing through the gap between the door frame and the door. For this reason, it becomes possible not only to a newly built building but also to be easily pasted to an existing door or door frame to give smoke shielding performance.

また、貼り付け前（使用前）の防煙テープの発泡性防煙層を表面フィルムとともに裏面フィルムで保護でき、発泡性防煙層の発泡性能を確実に長期にわたって好適に維持することが可能になる。   In addition, the foamable smokeproof layer of the smokeproof tape before application (before use) can be protected with the backside film together with the front film, and the foaming performance of the foamable smokeproof layer can be reliably maintained over a long period of time. Become.

本発明の防煙テープによれば、火災時の熱により発泡膨張する発泡材を含む発泡性防煙層の一面に表面フィルムを一体に積層して形成されていることにより、容易に扉や戸枠に貼り付けることができ、平常時の扉の開閉に支障をきたすことなく、火災時にのみ戸枠と扉の隙間を閉塞させて確実に煙の漏出（拡散）を防止することが可能になる。   According to the smoke-proof tape of the present invention, a surface film is integrally laminated on one surface of a foamable smoke-proof layer containing a foam material that expands and expands due to heat at the time of fire. It can be attached to the frame, and it will be possible to reliably prevent smoke from leaking (spreading) by blocking the gap between the door frame and the door only in the event of a fire without hindering the opening and closing of the door during normal times. .

以下、図１から図５を参照し、本発明の一実施形態に係る防煙テープについて説明する。本実施形態は、建物の開口部に設置された戸枠と、建物の開口部を開閉自在に戸枠に支持された例えば階段室扉、エレベーター扉などの扉との隙間に設けられて、火災時に発生した煙が戸枠と扉の隙間から漏出（拡散）することを防止するための防煙テープに関するものである。   Hereinafter, with reference to FIGS. 1-5, the smoke-proof tape which concerns on one Embodiment of this invention is demonstrated. This embodiment is provided in a gap between a door frame installed at an opening of a building and a door such as a staircase door or an elevator door supported by the door frame so that the opening of the building can be opened and closed. The present invention relates to a smoke-proof tape for preventing smoke generated at times from leaking (diffusing) from the gap between the door frame and the door.

本実施形態の防煙テープ５は、図１に示すように、火災時の熱により発泡膨張する発泡性防煙層６と、この発泡性防煙層６の一面６ａに一体に積層された表面フィルム７と、発泡性防煙層６の他面６ｂに剥離可能に積層して設けられた裏面フィルム８とを備えて形成されている。また、防煙テープ５は、その幅が数ｍｍ程度、表面フィルム７と発泡性防煙層６を合わせた厚さが１ｍｍ未満で形成されている。なお、防煙テープ５の厚さ、特に発泡性防煙層６の厚さは、戸枠２と扉１の隙間Ｈの大きさに応じて適宜決められればよい。   As shown in FIG. 1, the smoke-proof tape 5 of the present embodiment has a foam-type smoke-proof layer 6 that expands and expands due to heat during a fire, and a surface integrally laminated on one surface 6 a of the foam-type smoke-proof layer 6. A film 7 and a back film 8 provided so as to be peelable and laminated on the other surface 6 b of the foamable smoke-proof layer 6 are formed. The smoke-proof tape 5 is formed with a width of about several mm and a total thickness of the surface film 7 and the foamable smoke-proof layer 6 of less than 1 mm. Note that the thickness of the smoke-proof tape 5, particularly the thickness of the foamable smoke-proof layer 6, may be appropriately determined according to the size of the gap H between the door frame 2 and the door 1.

表面フィルム７は、発泡性防煙層６を保護するとともに発泡性防煙層６の含水率を保持するための透明（あるいは色付き）のフィルムシートであり、例えばポリカーボネート、ポリエステル、ポリプロピレン、ポリアミド、ポリイミド、ポリエーテルイミドなどを用いて形成されている。また、本実施形態の表面フィルム７は、防煙テープ５の扉１への貼り付け時の作業性が悪くならない程度の厚さ、すなわち防煙テープ５に適度な弾力性を付与しつつその柔軟性を損なうことがないように例えば数十〜数百μｍ程度の厚さで形成されている。   The surface film 7 is a transparent (or colored) film sheet for protecting the foamable smokeproof layer 6 and maintaining the moisture content of the foamable smokeproof layer 6, for example, polycarbonate, polyester, polypropylene, polyamide, polyimide , Polyetherimide and the like. Further, the surface film 7 of the present embodiment has a thickness that does not deteriorate the workability when the smoke-proof tape 5 is attached to the door 1, that is, its flexibility while giving the smoke-proof tape 5 appropriate elasticity. For example, it is formed with a thickness of about several tens to several hundreds of micrometers so as not to impair the properties.

一方、発泡性防煙層６は、接着性を付与するための有機剤や発泡開始温度を調整するための発泡促進剤等に珪酸ソーダ（発泡材）を混入し、表面フィルム７に塗布して積層形成されている。また、本実施形態においては、この発泡性防煙層６の他面（接着面）６ｂに剥離可能に貼り付けられた例えば剥離紙などの裏面フィルム８によって、貼り付け前（使用前）の防煙シート５の発泡性防煙層６が保護され且つその含水率が保持されている。そして、本実施形態の発泡性防煙層６においては、発泡促進剤の添加により例えば５０℃程度の温度で加熱されると珪酸ソーダが発泡し始め、加熱温度が高くなるほどに珪酸ソーダの発泡が進行して、漸次その厚さが増大してゆく。このとき、発泡性防煙層６は、略透明の状態から珪酸ソーダの発泡によって白色に近い有色に変化する。また、この発泡性防煙層６は、７００℃程度の高温で加熱された場合においても増大した厚さが大きく減少するようなことがない。なお、発泡促進剤としては、メタノール、エタノール、グリセリン等のアルコール類の他、エーテル、エステル等の有機化合物も考えられる。   On the other hand, the foamable smoke-proof layer 6 is obtained by mixing sodium silicate (foaming material) in an organic agent for imparting adhesiveness or a foaming accelerator for adjusting the foaming start temperature and applying it to the surface film 7. They are stacked. Further, in the present embodiment, the protective film before being attached (before use) is provided by a back film 8 such as release paper which is detachably attached to the other surface (adhesive surface) 6b of the foamable smoke-proof layer 6. The foamable smokeproof layer 6 of the smoke sheet 5 is protected and its moisture content is maintained. And in the foamable smoke-proof layer 6 of this embodiment, when heated at a temperature of, for example, about 50 ° C. by adding a foaming accelerator, sodium silicate begins to foam, and as the heating temperature increases, the foaming of sodium silicate increases. As it progresses, its thickness gradually increases. At this time, the foamable smoke-proof layer 6 changes from a substantially transparent state to a color close to white by foaming of sodium silicate. Further, even when the foamable smoke-proof layer 6 is heated at a high temperature of about 700 ° C., the increased thickness does not greatly decrease. In addition, as a foaming accelerator, organic compounds, such as ether and ester other than alcohols, such as methanol, ethanol, and glycerol, are also considered.

上記のように構成した本実施形態の防煙テープ５は、図２及び図３に示すように、発泡性防煙層６の他面６ｂに設けられた裏面フィルム８を剥がし、この発泡性防煙層６の他面６ｂを扉１の外周面１ａに貼り付けるという簡便な操作で、扉１と戸枠２の隙間Ｈ（扉１の周囲の隙間Ｈ）に介装して設けられる。そして、このように貼り付けた防煙テープ５は、厚さや幅が極めて小さく形成されているため、扉１の意匠を損なうことがなく、平常時に扉１を開閉する際においても扉１と戸枠２の隙間Ｈが十分に確保され、扉１の開閉動作に支障をきたすことなく貼り付けられている。   As shown in FIGS. 2 and 3, the smoke-proof tape 5 of the present embodiment configured as described above peels off the back film 8 provided on the other surface 6b of the foamable smoke-proof layer 6, and this foam-proof tape. The other surface 6 b of the smoke layer 6 is provided in a gap H between the door 1 and the door frame 2 (a gap H around the door 1) by a simple operation of attaching the other surface 6 b of the smoke layer 6 to the outer peripheral surface 1 a of the door 1. And since the thickness and width | variety of the smoke-proof tape 5 stuck in this way are formed very small, it does not impair the design of the door 1, and when opening and closing the door 1 at normal times, the door 1 and the door The gap H of the frame 2 is sufficiently secured, and the frame 2 is pasted without hindering the opening / closing operation of the door 1.

また、このように貼り付けた防煙テープ５は、表面フィルム７によって発泡性防煙層６が保護され、発泡性防煙層６が好適な保水状態で保持される。これにより、発泡性防煙層６は、珪酸ソーダによる発泡性能が長期にわたって確実に維持される。すなわち、表面フィルム７によって発泡性防煙層６が機能劣化を生じることがないように保護される。   Moreover, the foamable smokeproof layer 6 is protected by the surface film 7, and the foamable smokeproof layer 6 is hold | maintained in the suitable water retention state for the smokeproof tape 5 stuck in this way. Thereby, the foaming smoke-proof layer 6 is reliably maintained over a long period of foaming performance by sodium silicate. That is, the foamable smokeproof layer 6 is protected by the surface film 7 so as not to cause functional deterioration.

そして、建物に火災が発生した場合には、図４及び図５に示すように、火災の熱が防煙テープ５に伝わって５０℃程度の温度に達するとともに、発泡性防煙層６の珪酸ソーダが発泡膨張し始め、発泡性防煙層６の厚さが急激に増大する。これにより、表面フィルム７が戸枠２の内周面２ａに密着し、扉１と戸枠２の隙間Ｈが防煙テープ５で閉塞される。よって、火災時に発生した煙が、従来のように扉１と戸枠２の隙間Ｈを通じて漏出（拡散）することが防止され、確実に遮断される。   When a fire occurs in the building, as shown in FIGS. 4 and 5, the heat of the fire is transmitted to the smoke-proof tape 5 and reaches a temperature of about 50 ° C., and the silicic acid of the foamable smoke-proof layer 6. The soda begins to expand and the thickness of the foamable smoke-proof layer 6 increases rapidly. Thereby, the surface film 7 adheres to the inner peripheral surface 2 a of the door frame 2, and the gap H between the door 1 and the door frame 2 is closed with the smoke-proof tape 5. Therefore, the smoke generated at the time of fire is prevented from leaking (diffusing) through the gap H between the door 1 and the door frame 2 as in the prior art, and is reliably blocked.

また、この防煙テープ５は、受熱時間が長くなるほどに、また加熱温度が高くなるほどに発泡膨張が進行してゆき、扉１と戸枠２の隙間Ｈをさらに強固で確実に閉塞させ、確実に煙の漏出が阻止される。さらに、この防煙テープ５は、７００℃近い高温で加熱された場合においても、発泡性防煙層６の増大した厚さが大きく減少するようなことがないため、扉１と戸枠２の隙間Ｈが火災時に継続的に閉塞される。このため、扉１が例えば避難路となる階段室扉やエレベーター扉である場合に、確実に避難路に煙が侵入することが防止される。   Also, the smoke-proof tape 5 expands and expands as the heat receiving time becomes longer and the heating temperature becomes higher, and the gap H between the door 1 and the door frame 2 is more firmly and reliably closed. Smoke leakage is prevented. Furthermore, even when this smoke-proof tape 5 is heated at a high temperature close to 700 ° C., the increased thickness of the foamable smoke-proof layer 6 is not greatly reduced. The gap H is continuously closed during a fire. Therefore, when the door 1 is, for example, a staircase door or an elevator door that serves as an evacuation path, it is possible to reliably prevent smoke from entering the evacuation path.

また、このように防煙テープ５の発泡性防煙層６が加熱によって発泡膨張するとともに略透明から白色に近い有色に変化することで、煙とともに火災の放射熱も遮断されることになる。このため、非火災側に延焼が生じることも防止される。   Moreover, the foamable smokeproof layer 6 of the smokeproof tape 5 expands and expands by heating and changes from substantially transparent to a color close to white, so that the radiant heat of the fire is also cut off along with the smoke. For this reason, the spread of fire on the non-fire side is also prevented.

したがって、本実施形態の防煙テープ５においては、火災時に受熱するとともに珪酸ソーダ（発泡材）が発泡膨張することで発泡性防煙層６の厚さ（ひいては防煙テープ５の厚さ）が増大する。このため、発泡性防煙層６の他面６ａを扉１の外周面１ａに貼り付けて防煙テープ５を扉１と戸枠２の隙間Ｈに介装して設けることにより、火災時に発泡性防煙層６が自動的に発泡膨張して隙間Ｈを閉塞させることが可能になる。これにより、火災時に発生した煙が扉１と戸枠２の隙間Ｈを通じて漏出することを防止できる。また、平常時には、発泡性防煙層６が発泡膨張していないため（貼り付けた防煙テープ５の厚さが小さいため）、扉１と戸枠２の隙間Ｈが確保され、円滑に扉１の開閉動作を行うことが可能であり、扉１の開閉に支障をきたすようなことがない。   Therefore, in the smoke-proof tape 5 of this embodiment, the thickness of the foamable smoke-proof layer 6 (and thus the thickness of the smoke-proof tape 5) is obtained by receiving heat in the event of a fire and foaming and expanding the sodium silicate (foaming material). Increase. For this reason, the other surface 6a of the foamable smoke-proof layer 6 is attached to the outer peripheral surface 1a of the door 1 and the smoke-proof tape 5 is provided in the gap H between the door 1 and the door frame 2, thereby foaming in the event of a fire. The smoke resistant layer 6 is automatically foamed and expanded to close the gap H. Thereby, it can prevent that the smoke which generate | occur | produced at the time of a fire leaks through the clearance gap H of the door 1 and the door frame 2. FIG. Moreover, since the foamable smoke-proof layer 6 is not foamed and expanded in normal times (because the thickness of the attached smoke-proof tape 5 is small), a gap H between the door 1 and the door frame 2 is secured, and the door is smoothly opened. 1 can be opened and closed, and there is no trouble in opening and closing the door 1.

また、発泡性防煙層６の一面６ａに表面フィルム７が設けられていることで、発泡性防煙層６を保護し、且つ発泡性防煙層６の発泡性能を長期にわたって好適に維持することが可能になる。さらに、表面フィルム７を設けることで、防煙テープ５に適度な弾力性（柔軟性）を付与することができ、持ち運びや貼り付け作業を容易に行うことが可能になる。   Moreover, the surface film 7 is provided on one surface 6a of the foamable smokeproof layer 6, so that the foamable smokeproof layer 6 is protected and the foaming performance of the foamable smokeproof layer 6 is suitably maintained over a long period of time. It becomes possible. Furthermore, by providing the surface film 7, moderate resilience (flexibility) can be imparted to the smoke-proof tape 5, and it becomes possible to easily carry and affix it.

また、発泡性防煙層６の他面６ｂに剥離可能に裏面フィルム８が設けられていることによって、貼り付け時に裏面フィルム８を剥がして、発泡性防煙層６の他面６ｂを扉１の外周面１ａに貼り付けるという簡便な操作で、火災時に発生した煙が扉１と戸枠２の隙間Ｈを通じて拡散することを防止できる。このため、新築の建物に限らず、既存の扉１に容易に貼り付けて遮煙性能を付与することが可能になる。   Further, the back film 8 is provided on the other surface 6b of the foamable smoke-proof layer 6 so as to be peeled off, so that the back film 8 is peeled off at the time of attachment, and the other surface 6b of the foamable smoke-proof layer 6 is attached to the door 1. The smoke generated at the time of fire can be prevented from diffusing through the gap H between the door 1 and the door frame 2 by a simple operation of sticking to the outer peripheral surface 1a. For this reason, it becomes possible not only to a newly-built building but also to be easily pasted to the existing door 1 to provide smoke shielding performance.

また、貼り付け前（使用前）の防煙テープ５の発泡性防煙層６を表面フィルム７とともに裏面フィルム８で保護でき、発泡性防煙層６の発泡性能を確実に長期にわたって好適に維持することが可能になる。   Moreover, the foamable smoke-proof layer 6 of the smoke-proof tape 5 before being attached (before use) can be protected by the back film 8 together with the front film 7, and the foaming performance of the foamable smoke-proof layer 6 is reliably maintained favorably over a long period. It becomes possible to do.

さらに、発泡性防煙層６の発泡材が珪酸ソーダであることにより、平常時に発泡性防煙層６を略透明に形成することが可能になり、扉１への防煙テープ５の貼り付けによる意匠を損なうことがない。また、火災時に発泡膨張するとともに略透明から白色に近い有色に変化するため、放射熱を遮断する効果が得られる。さらに、発泡材として珪酸ソーダを用いることで、防煙テープ５を安価に形成することが可能になる。   Further, since the foam material of the foamable smoke-proof layer 6 is sodium silicate, the foamable smoke-proof layer 6 can be formed almost transparent in normal times, and the smoke-proof tape 5 is attached to the door 1. The design will not be damaged. Moreover, since it expands and expands at the time of a fire and changes from substantially transparent to a color close to white, an effect of blocking radiant heat can be obtained. Furthermore, by using sodium silicate as the foaming material, the smoke-proof tape 5 can be formed at low cost.

以上、本発明に係る防煙テープの実施形態について説明したが、本発明は上記の一実施形態に限定されるものではなく、その趣旨を逸脱しない範囲で適宜変更可能である。例えば、本実施形態では、防煙テープ５を階段室扉やエレベーター扉などの扉１と戸枠２の隙間Ｈに設けて遮煙性能を付与するものとしたが、本発明の防煙テープは、火災時の煙の拡散を防止することを要する扉であれば、あらゆる扉に適用可能である。   As mentioned above, although embodiment of the smoke-proof tape which concerns on this invention was described, this invention is not limited to said one Embodiment, In the range which does not deviate from the meaning, it can change suitably. For example, in the present embodiment, the smoke-proof tape 5 is provided in the gap H between the door 1 such as a staircase door or an elevator door and the door frame 2 to provide smoke shielding performance. It can be applied to any door as long as it is necessary to prevent the spread of smoke during a fire.

また、本実施形態では、防煙テープ５を扉１の外周面１ａに貼り付けるものとしたが、戸枠２の内周面２ａに防煙テープ５を貼り付け、火災時の熱により発泡膨張するとともに表面フィルム７を扉１の外周面１ａに密着させて、隙間Ｈからの煙の拡散を防止するようにしてもよい。この場合においても、本実施形態と同様の効果が得られる。   Moreover, in this embodiment, although the smoke-proof tape 5 was affixed on the outer peripheral surface 1a of the door 1, the smoke-proof tape 5 was affixed on the inner peripheral surface 2a of the door frame 2, and it expands and expands by the heat at the time of a fire At the same time, the surface film 7 may be brought into close contact with the outer peripheral surface 1a of the door 1 to prevent the diffusion of smoke from the gap H. Even in this case, the same effect as the present embodiment can be obtained.

また、本実施形態では、防煙テープ５が発泡性防煙層６の他面６ｂに剥離紙などの裏面フィルム８を設けて形成されているものとしたが、本発明の防煙テープは、必ずしも裏面フィルム８を備えていなくてもよい。さらに、本実施形態では、発泡性防煙層６の発泡材が珪酸ソーダであるものとして説明を行ったが、火災時の熱により発泡膨張し発泡性防煙層６の厚さを増大させて扉１と戸枠２の隙間Ｈを閉塞させることが可能であれば、他の発泡材を用いてもよい。   In the present embodiment, the smoke-proof tape 5 is formed by providing the back film 8 such as release paper on the other surface 6b of the foamable smoke-proof layer 6, but the smoke-proof tape of the present invention is The back film 8 is not necessarily provided. Furthermore, in this embodiment, although the foam material of the foamable smokeproof layer 6 was demonstrated as what is a sodium silicate, it expands by heat at the time of a fire, and the thickness of the foamable smokeproof layer 6 is increased. Other foam materials may be used as long as the gap H between the door 1 and the door frame 2 can be closed.

また、本実施形態では、図３に示すように、防煙テープ５を扉１の外周面１ａに１列で貼り付けているが、例えば図６に示すように、防煙テープ５を並列に複数列で貼り付けるようにしてもよい。この場合には、さらに確実に煙の拡散を防止することが可能になる。   Moreover, in this embodiment, as shown in FIG. 3, although the smoke-proof tape 5 is affixed on the outer peripheral surface 1a of the door 1 with 1 row, for example, as shown in FIG. A plurality of rows may be pasted. In this case, it becomes possible to prevent the diffusion of smoke more reliably.

本発明の一実施形態に係る防煙テープを示す図である。It is a figure which shows the smokeproof tape which concerns on one Embodiment of this invention. 本発明の一実施形態に係る防煙テープを扉と戸枠の隙間に設置した状態を示す図である。It is a figure which shows the state which installed the smokeproof tape which concerns on one Embodiment of this invention in the clearance gap between a door and a door frame. 図２のＸ１−Ｘ１線矢視図である。FIG. 3 is a view taken along line X1-X1 in FIG. 扉と戸枠の隙間に設置した防煙テープが火災時の熱により発泡膨張して隙間を閉塞させた状態を示す図である。It is a figure which shows the state which smoke expansion tape installed in the clearance gap between a door and a door frame foamed and expanded by the heat | fever at the time of a fire, and obstruct | occluded the clearance gap. 図４のＸ１−Ｘ１線矢視図である。It is a X1-X1 line arrow directional view of FIG. 本発明の一実施形態に係る防煙テープを扉と戸枠の隙間に複数列で設置した状態を示す図である。It is a figure which shows the state which installed the smokeproof tape which concerns on one Embodiment of this invention in the clearance gap between the door and the door frame in multiple rows. 防煙テープを隙間に設置していない従来の扉と戸枠を示す図である。It is a figure which shows the conventional door and door frame which are not installing the smoke-proof tape in the clearance gap.

符号の説明Explanation of symbols

１ 扉
１ａ 外周面
２ 戸枠
２ａ 内周面
５ 防煙テープ
６ 発泡性防煙層
６ａ 一面
６ｂ 他面
７ 表面フィルム
８ 裏面フィルム
Ｈ 隙間 DESCRIPTION OF SYMBOLS 1 Door 1a Outer peripheral surface 2 Door frame 2a Inner peripheral surface 5 Smoke-proof tape 6 Foamable smoke-proof layer 6a One side 6b The other side 7 The surface film 8 The back surface film H Crevice

Claims (2)

建物の開口部に設置された戸枠と、前記開口部を開閉自在に前記戸枠に支持された扉との隙間に設けられ、火災時に発生した煙が前記隙間を通じて拡散することを防止するための防煙テープであって、
火災時の熱により発泡膨張する珪酸ソーダである発泡材、及び該発泡材の発泡開始温度を調整するアルコール類からなる発泡促進剤を含む発泡性防煙層と、該発泡性防煙層の一面に一体に積層された表面フィルムとを備えて形成され、
且つ前記表面フィルムがポリカーボネート、ポリエステル、ポリプロピレン、ポリアミド、ポリイミド、ポリエーテルイミドのいずれかを用いて形成され、
前記表面フィルムと前記発泡性防煙層を合わせた厚さが１ｍｍ未満で形成されていることを特徴とする防煙テープ。 In order to prevent smoke generated during a fire from diffusing through the gap provided between the door frame installed in the opening of the building and the door supported by the door frame so that the opening can be opened and closed. Of smoke-proof tape,
A foamed smoke-proof layer comprising a foamed material which is a sodium silicate foamed and expanded by heat at the time of a fire, and an alcohol which adjusts the foaming start temperature of the foamed material, and one surface of the foamable smoke-proof layer is formed and a surface film laminated integrally with,
And the surface film is formed using any of polycarbonate, polyester, polypropylene, polyamide, polyimide, polyetherimide,
A smokeproof tape , wherein the thickness of the surface film and the foamable smokeproof layer is less than 1 mm . 請求項１記載の防煙テープにおいて、
前記発泡性防煙層の他面に剥離可能に裏面フィルムが設けられていることを特徴とする防煙テープ。 The smoke-proof tape according to claim 1,
A smoke-proof tape, wherein a reverse-side film is provided on the other surface of the foamable smoke-proof layer so as to be peelable.
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Publication number Priority date Publication date Assignee Title
CN106593238A (en) * 2016-12-29 2017-04-26 泰豪科技股份有限公司 Rainproof airtight door device

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