JP2008180019A - Wooden fire door - Google Patents

Wooden fire door Download PDF

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JP2008180019A
JP2008180019A JP2007015156A JP2007015156A JP2008180019A JP 2008180019 A JP2008180019 A JP 2008180019A JP 2007015156 A JP2007015156 A JP 2007015156A JP 2007015156 A JP2007015156 A JP 2007015156A JP 2008180019 A JP2008180019 A JP 2008180019A
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door
cushion
fire door
wooden fire
wooden
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JP4849553B2 (en
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Takakimi Matsumaru
恭仁 松丸
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wooden fire door which is free from aged deterioration even after long-term use and accordingly free from sharp deterioration of fire resistant property, and exerts improved fire resistant property itself compared with a conventional wooden fire door or a metallic fire door. <P>SOLUTION: The wooden fire door is formed of a rectangularly assembled frame, and a wooden fire door body mounted in the frame. The frame has a frame main body and a door stop cushion mounted inside the same. The frame main body has a longitudinal mounting recessed groove formed in a stile side-end face thereof, in which the door stop cushion having a thermo-expandable agent bonded thereto, is mounted. The door stop cushion has a door cushion base portion, the thermo-expandable agent, and a semi-circularly curved cushion piece which allows an end of the wooden fire door body to make intimate contact therewith. The wooden fire door body has a core formed of a plurality of pieces of paulownia glued laminated wood, and a face material formed of a flame retardant member. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、例えば、一般住宅、集合住宅、ホテル、公共施設等の防火扉として用いられる木製防火扉に関するものである。
The present invention relates to a wooden fire door used as a fire door of, for example, a general house, an apartment house, a hotel, or a public facility.

従来、防火扉としては、金属製で形成されたものが一般的に知られていた。
しかし、金属製の防火扉は丈夫ではあるが、扉自体の重量がきわめて重く、しかも高熱によって防火扉自体が反ってしまい、該金属製防火扉の防火性能に疑問が向けられていた。
さらに、輻射熱が一般の木製扉に比較して５〜８倍と高熱化するなどの課題があった。 Conventionally, as a fire door, what was formed with metal was generally known.
However, although the metal fire door is strong, the weight of the door itself is extremely heavy, and the fire door itself warps due to high heat, and the fire prevention performance of the metal fire door has been questioned.
Furthermore, there was a problem that the radiant heat was increased to 5 to 8 times higher than that of a general wooden door.

ところで、近年において甲種防火扉及び乙種防火扉の試験方法が改正され、一定の防火条件を満たせば木製の扉であっても特定防火設備のものとして認可されるようになったことを契機として桐集成材を用いた木製防火扉が提案されるに至っている。   By the way, in recent years, the test method for Class A fire doors and Class B fire doors has been revised, and even if wooden fire doors meet certain fire prevention conditions, even wooden doors have been approved as specific fire protection equipment. Wooden fire doors using laminated timber have been proposed.

ここで、木製防火扉としては、木製の芯材と、この芯材の両面に接合された化粧合板とを有するものが一般に知られている。
特開２００４−２３２４４９号公報 Here, as a wooden fire door, what has a wooden core material and the decorative plywood joined to both surfaces of this core material is generally known.
JP 2004-232449 A

しかしながら、かかる木製防火扉は、長年の使用によって経年変化を起こし、もって防火性能の急激な低下がみられ、あるいは、防火性能自体にも課題があった。 However, such wooden fire doors have changed over time due to long-term use, and as a result, there has been a rapid decrease in fire performance, or there has been a problem with the fire performance itself.

かくして、本発明は前記従来の課題を解消するために創案されたものであり、長年の使用によっても経年変化を起こすことがなく、よって防火性能の急激な低下もなく、しかも防火性能自体も従来の木製防火扉や金属製防火扉にもまして向上した木製防火扉を提供することを目的とするものである。
Thus, the present invention was devised in order to solve the above-described conventional problems, and does not cause secular change even when used for many years, so that there is no sudden decrease in fire performance, and the fire performance itself is also conventional. An object of the present invention is to provide an improved wooden fire door as compared with wooden fire doors and metal fire doors.

本発明による木製防火扉は、
方形状に枠組みされた枠と、該枠内に取り付けられる木製防火扉体と、を備え、
前記枠は、枠本体と、該枠本体の内側に取り付けられる戸当たりクッションとを有し、戸当たりクッションが取り付けられる枠本体の縦枠側面部には縦長凹条の取り付け凹溝条が形成され、該取り付け凹溝条に、加熱発泡剤が固着された戸当たりクッションが取り付けられてなり、
該戸当たりクッションは、帯板状に形成された戸当たりクッション基部と、基部内に設けられた凹溝条に固着された加熱発泡剤と、前記戸当たりクッション基部の一端側から他端側に向けて半円状に湾曲させて形成されたクッション片と、を有し、該クッション片には前記木製防火扉体の端部が密着可能とされ、
前記木製防火扉体は、複数枚の桐集成板からなる芯材と、前記芯材の両側面に貼着される燃焼遅延部材より構成された表面材と、を有して構成された、
ことを特徴とし、
または、
前記芯材は、３枚の桐集成板を積層した積層板からなり、前記芯材の両面に設けられた前記表面材は、化粧ガラス繊維が混入された珪酸マグネシウム板である燃焼遅延部材により構成された、
ことを特徴とし、
または、
前記戸当たりクッションの半円状に湾曲したクッション片は防火扉閉扉時に、木製防火扉体の端部が密着して伸張し、該伸張部で防火扉と縦枠間の隙間を密閉する、
ことを特徴とし、
または、
前記表面材は、化粧ガラス繊維混入珪酸マグネシウムを材料としてシート状に形成され、該表面材の裏面側に接着剤があらかじめ塗布されてなると共に、該塗布面がはく離紙で被覆されてなり、
該はく離紙面を内側にしてロール状に巻回収納されて別部品とされ、該別部品を既設の扉体面に後付け貼着可能とした、
ことを特徴とし、
または、
前記表面材は、化粧ガラス繊維混入珪酸マグネシウムを材料として粉末状に形成され、前記粉末と接着剤とを、既設の扉体面に吹き付け、表面材を形成した、
ことを特徴とするものである。
The wooden fire door according to the present invention is:
A frame framed in a rectangular shape, and a wooden fire door attached in the frame,
The frame has a frame main body and a door-cushion cushion attached to the inside of the frame main body, and a mounting groove for a vertically long groove is formed on a side surface of the vertical frame of the frame main body to which the door-cushion cushion is attached. The mounting groove groove is attached with a door cushion to which a heating foaming agent is fixed,
The door-cushion includes a door-cushion base formed in a strip shape, a heating foam fixed to a groove provided in the base, and one end side to the other side of the door-cushion base. A cushion piece formed by being bent in a semicircular shape, and the end of the wooden fire door can be closely attached to the cushion piece,
The wooden fire door body has a core material composed of a plurality of paulownia laminated plates, and a surface material composed of a combustion delay member attached to both side surfaces of the core material.
It is characterized by
Or
The core material is composed of a laminated plate in which three paulownia laminated plates are laminated, and the surface material provided on both surfaces of the core material is constituted by a combustion delay member that is a magnesium silicate plate mixed with decorative glass fibers. Was
It is characterized by
Or
The cushion piece curved in a semicircle shape of the door cushion is closed when the fire door is closed, and the end portion of the wooden fire door body is in close contact with and extended, and the extension portion seals the gap between the fire door and the vertical frame.
It is characterized by
Or
The surface material is formed in a sheet form using a decorative glass fiber-mixed magnesium silicate, the adhesive is pre-applied to the back side of the surface material, and the coated surface is covered with a release paper,
The release paper surface is inside and rolled and stored as a separate part, and the separate part can be retrofitted to the existing door body surface.
It is characterized by
Or
The surface material is formed into a powder form using a decorative glass fiber-mixed magnesium silicate as a material, and the powder and the adhesive are sprayed on an existing door body surface to form a surface material.
It is characterized by this.

本発明による木製防火扉によれば、長年の使用によっても経年変化を起こすことがなく、よって防火性能の急激な低下もなく、しかも防火性能自体も従来の木製防火扉や金属製防火扉にもまして向上したとの優れた効果を奏する。
According to the wooden fire door according to the present invention, the secular change does not occur even after many years of use, and therefore the fire performance is not drastically lowered, and the fire performance itself is not limited to the conventional wooden fire door or metal fire door. There is an excellent effect that it is improved.

以下本発明を図に示す実施例に基づいて説明する。
本発明による木製防火扉１は、方形状に枠組みされた枠２と、該枠２内に取り付けられる木製防火扉体３と、を備えて構成されている。
ここで、前記枠２は、略長方形状に枠組みされた枠本体４と、該枠本体４の縦枠７内側に取り付けられる戸当たり部１１とを有して構成されている。 Hereinafter, the present invention will be described based on embodiments shown in the drawings.
A wooden fire door 1 according to the present invention includes a frame 2 framed in a rectangular shape and a wooden fire door body 3 attached in the frame 2.
Here, the frame 2 includes a frame body 4 that is framed in a substantially rectangular shape, and a door stop portion 11 that is attached to the inside of the vertical frame 7 of the frame body 4.

ここで、一般に枠本体４は、上枠６、両縦枠７，７及びくつずり８とにより構成される。そして、上枠６及び両縦枠７，７を構成する材料の材質としては、にせアカシア材あるいはホワイトオーク材などの天然木単板が使用される。
また、くつずり８としては木製のものを使用してもかまわないが、一般には冷間圧延ステンレス鋼板、一般構造用圧延鋼材あるいは溶融亜鉛めっき鋼板などが用いられる。
なお、くつずり８がない木製防火扉も存在する。よって、この場合の枠本体４は上枠６及び両縦枠７，７によって構成されることになる。 Here, the frame body 4 is generally composed of an upper frame 6, both vertical frames 7 and 7, and a shoe 8. And as a material of the material which comprises the upper frame 6 and both the vertical frames 7 and 7, natural wood veneers, such as a false acacia material or a white oak material, are used.
Moreover, although the wooden thing may be used as the suspension 8, generally a cold rolled stainless steel plate, a general structural rolled steel material, a hot dip galvanized steel plate, etc. are used.
There is also a wooden fire door that does not have a shoe 8. Therefore, the frame body 4 in this case is constituted by the upper frame 6 and the vertical frames 7 and 7.

次に、図１は本発明による一実施例の木製防火扉１を示す横断面図であるが、該木製防火扉１は図１に向かって右側の縦枠７と木製防火扉体３とが丁番９で連結され、室内側に開扉できる構成となっている。
そして、左側の縦枠７には木製防火扉体３の幅方向左端部が入り込めるよう略Ｌ字状に切り欠かれた切り欠き部が設けられており、この切り欠き部によって戸当たり部１１が形成されるものとなる。ここで、戸当たり部１１の形成は、図２から理解されるように、左側縦枠７内側面に長手方向に延びる凹溝条を形成し、該凹溝条に嵌る戸当たり部形成部材５を取り付け、もってＬ字状の戸当たり部１１を形成している。 Next, FIG. 1 is a cross-sectional view showing a wooden fire door 1 according to an embodiment of the present invention. The wooden fire door 1 has a vertical frame 7 and a wooden fire door body 3 on the right side in FIG. It is connected with a hinge 9 so that it can be opened indoors.
The left vertical frame 7 is provided with a notch portion that is cut out in a substantially L shape so that the left end of the wooden fire door body 3 in the width direction can enter, and the notch portion forms a door stop 11. It will be formed. Here, as is understood from FIG. 2, the door stop portion 11 is formed with a groove extending in the longitudinal direction on the inner surface of the left vertical frame 7, and the door stopper forming member 5 fitted into the groove. To form an L-shaped door stopper 11.

さらに、該戸当たり部１１の、前記木製防火扉体３幅方向左端部と当接する箇所には、戸当たりクッション１２が取り付けられている。
ここで、戸当たりクッション１２の取り付け及び構成につき説明すると、まず、戸当たりクッション１２の取り付けは、図２から理解されるように、戸当たり部材５の室内側面に上下方向に向かって延びる凹状の溝条が形成されており、該溝条に戸当たりクッション１２を嵌め込んで取り付けるものとなる。 Further, a door cushion 12 is attached to a portion of the door stopper 11 that comes into contact with the left end of the wooden fire door 3 in the width direction.
Here, the attachment and configuration of the door-cushion cushion 12 will be described. First, the door-cushion cushion 12 is attached in a concave shape extending in the vertical direction on the indoor side surface of the door-stop member 5 as understood from FIG. A groove is formed, and the door cushion 12 is fitted and attached to the groove.

次に、戸当たりクッション１２の構成につき説明すると、該戸当たりクッション１２は、長尺の帯板状に形成された戸当たりクッション基部１４を有している。
この戸当たりクッション基部１４の材質については何ら限定されるものではなく、合成樹脂系のものでかまわない。
そして、この長尺帯板状の戸当たりクッション基部１４の表面部には、長手方向に延びる凹溝条が形成されており、該凹溝条には、加熱発泡剤１５が取り付けられている。 Next, the structure of the door cushion 12 will be described. The door cushion 12 has a door cushion base portion 14 formed in a long strip shape.
The material of the door cushion base 14 is not limited at all, and may be a synthetic resin type.
And the groove part extended in a longitudinal direction is formed in the surface part of this elongate strip-like door stop cushion base 14, and the heating foaming agent 15 is attached to this groove.

前記加熱発泡剤１５は、例えば、グラファイトなど質量３８％、水酸化アルミニウムなど質量３７％、ポリブデン・ブチルゴムなど質量２５％の割合で構成され、製造される。   The heating foaming agent 15 is configured and manufactured at a ratio of 38% by mass such as graphite, 37% by mass such as aluminum hydroxide, and 25% by mass such as polybutene / butyl rubber, for example.

また、前記戸当たりクッション基部１４の幅方向一端側から他端側に向けては半円状に湾曲させて形成されたクッション片１６が形成されており、該半円状に湾曲したクッション片１６は、防火扉閉扉時に、後述する木製防火扉体の端部が密着して伸張し、該伸張部で防火扉と縦枠間の隙間を密閉するものとなっている。   Further, a cushion piece 16 formed in a semicircular shape is formed from one end side in the width direction of the door cushion base portion 14 toward the other end side, and the cushion piece 16 curved in the semicircular shape is formed. When the fire door is closed, an end portion of a wooden fire door body, which will be described later, is in close contact and extends, and the extension portion seals the gap between the fire door and the vertical frame.

次に、木製防火扉体３について説明する。
ここで、木製防火扉体３は、複数枚、この実施例では３枚の桐集成板からなる芯材１３を有している。
ここで、本発明による芯材１３を構成する桐集成材は、非常に軽く、また割れや狂いが少ないので加工性の良い集成材として知られている。また、表面を磨くと光沢が出て、美しく仕上がる。さらに、一番の長所であるが、断熱性があり燃えにくい木なので、近年防火扉などと共に、防火性を有した小物入れや家具など箱物に使われている。 Next, the wooden fire door 3 will be described.
Here, the wooden fire door 3 has a core 13 made of a plurality of paulownia laminated plates in this embodiment.
Here, the paulownia laminated material which comprises the core material 13 by this invention is very light, and since there are few cracks and deviations, it is known as a laminated material with favorable workability. Also, when the surface is polished, it becomes glossy and beautifully finished. In addition, although it is the best merit, it is a wood that is heat-insulating and does not burn easily, so it has recently been used for fireproof doors and other small items such as small items and furniture.

なお、前記芯材１３の外周端面には、大手材１８が取り付けられるものとなる。該大手材１８の材質としては、例えば化粧ガラス繊維混入珪酸マグネシウム板などが用いられる
しかして、この芯材１３の両側面には燃焼遅延部材より構成された表面材１７が貼着される。ここで、表面材１７の材質については、例えば約１．１５ミリメートル程度の厚さを有する、例えば化粧ガラス繊維混入珪酸マグネシウム板などが用いられる。 A major material 18 is attached to the outer peripheral end face of the core material 13. As the material of the major material 18, for example, a decorative glass fiber mixed magnesium silicate plate or the like is used. However, a surface material 17 composed of a combustion retarding member is attached to both side surfaces of the core material 13. Here, as the material of the surface material 17, for example, a decorative glass fiber mixed magnesium silicate plate having a thickness of about 1.15 mm is used.

しかし、この表面材１７は、あらかじめ工場などで芯材１３の両面に貼着されて、木製防火扉体３が製造され、その状態で出荷されるものとなるが、構造物の既存扉体の表面部に前記表面材１７を貼り付けるべく、表面材１７を単体で販売できるよう工夫してもかまわないものである。
例えば、図８，図９に示すように、表面材１７をロール状に巻いて別製品とし、それを製品化して販売するか、また必要な分量だけ切り売りすることなどが考えられる。この際、表面材１７の裏面側には接着剤をあらかじめ塗布しておき、その塗布面をはく離紙１９で被覆しておくものとする。
そして、使用するときに、前記はく離紙１９を剥がし、既存扉体に貼り付けるだけで既存扉体の防火性能を格段に向上できる。 However, the surface material 17 is attached to both surfaces of the core material 13 in advance at a factory or the like, and the wooden fire door 3 is manufactured and shipped in that state. In order to affix the surface material 17 to the surface portion, the surface material 17 may be devised so that it can be sold alone.
For example, as shown in FIGS. 8 and 9, it is conceivable that the surface material 17 is wound into a roll to obtain a separate product, which is then sold as a product, or sold in a necessary amount. At this time, an adhesive is applied in advance to the back surface side of the surface material 17, and the coated surface is covered with a release paper 19.
And when using, the fireproof performance of the existing door body can be remarkably improved only by peeling off the release paper 19 and attaching it to the existing door body.

この様に、表面材１７については、単独で既設の扉体面に貼り付けたりして使用し、その既設扉体の防火性能をアップさせることも考えられる。   In this way, the surface material 17 may be used by being attached to the surface of an existing door body alone to improve the fireproof performance of the existing door body.

すなわち、前述したとおり、前記表面材１７につき、化粧ガラス繊維混入珪酸マグネシウムを材料としてシート状に形成し、該表面材の裏面側に接着剤をあらかじめ塗布すると共に、該塗布面がはく離紙１９で被覆し、該はく離紙１９面側を内側にしてロール状に巻回収納しておく。そして、既設の扉体面に後付け貼着可能とするのである。
また、前記表面材１７につき、化粧ガラス繊維混入珪酸マグネシウムを材料として粉末状に形成し、前記粉末に接着剤を混入して、液状の材料とし、該液状表面材材料を、既設の扉体面に吹き付けて、固化させ、シート状の表面材１７とするのである。
また、液体状の接着剤を先に既設扉体に吹き付け、その後、粉末状にした表面材材料をその上に吹き付けてもかまわない。 That is, as described above, the surface material 17 is formed into a sheet shape using the decorative glass fiber mixed magnesium silicate as a material, and an adhesive is applied in advance to the back surface side of the surface material. It is coated and stored in a roll shape with the release paper 19 side facing inward. Then, it can be attached to the existing door body surface by retrofitting.
Further, the surface material 17 is formed into a powder form using a decorative glass fiber mixed magnesium silicate as a material, an adhesive is mixed into the powder to form a liquid material, and the liquid surface material material is applied to the existing door body surface. It is sprayed and solidified to form a sheet-like surface material 17.
Alternatively, the liquid adhesive may be sprayed on the existing door first, and then the powdered surface material may be sprayed thereon.

この様な表面材１７の形成であれば、たとえ既設の扉体表面が凹凸面として形成されていてもスムーズに防火用表面材を形成することができる。また、吹き付けの程度により、あるいは吹き付け回数を複数にすることにより表面材１７の厚みを変えることができ、これにより防火性能の異なったバラエティに富んだ木製防火扉を形成することができる。
以上において、本発明による木製防火扉の使用状態につき説明する。 If such a surface material 17 is formed, the surface material for fire prevention can be smoothly formed even if the existing door body surface is formed as an uneven surface. Moreover, the thickness of the surface material 17 can be changed by changing the number of times of spraying or by making the number of times of spraying, whereby a variety of wooden fire doors with different fireproof performances can be formed.
In the above, the usage state of the wooden fire door by this invention is demonstrated.

まず、本発明では、火災発生時に火や熱をトラップするという防火性能を有する扉として好適に用いられる木製防火扉１の芯材１３に熱伝導性の低い桐の集成材で製造することで、一段と断熱性や防火性能を高くした。
すなわち、本発明による木製防火扉１の片側を800度近い高熱で燃やしても非加熱側は手が触れられるほどである。
よって、万が一の場合でも避難や救助活動がしやすくなる利点がある。従来の金属製扉は高熱によって変形するし、金属自体が高熱になると大変危険である。 First, in the present invention, by manufacturing the core material 13 of the wooden fire door 1 suitably used as a door having fire-proof performance of trapping fire and heat in the event of a fire, it is made of paulownia laminated material with low thermal conductivity. Higher heat insulation and fireproof performance.
That is, even if one side of the wooden fire door 1 according to the present invention is burned at a high heat of nearly 800 degrees, the non-heated side can be touched.
Therefore, there is an advantage that it is easy to evacuate and rescue even in the event of an emergency. Conventional metal doors are deformed by high heat, and it is very dangerous if the metal itself becomes hot.

また、 本発明による木製防火扉１は、芯材１３と加熱発泡剤１５を埋め込んだ戸当たりクッション１２と化粧ガラス繊維が混入された珪酸マグネシウム板である燃焼遅延部材により構成された表面材１７とを組み合わせて防火性能を発揮するものである。   In addition, the wooden fire door 1 according to the present invention includes a door cushion 12 embedded with a core material 13 and a heating foaming agent 15, and a surface material 17 composed of a combustion delay member which is a magnesium silicate plate mixed with decorative glass fibers. In combination, the fire performance is demonstrated.

従来の木製芯材についてはMDFなどの木質板が多用されているが、重量が100kg程度とかなり重くなる。また、一般的な金属製の防火用スチール扉も70kg程度の重さがあり、年少者や高齢者はもちろん、一般の方にとっても開閉性などの使い勝手にやや難がある。 Conventional wooden cores are often made of wood boards such as MDF, but the weight is about 100kg. In addition, general steel fire-proof steel doors weigh about 70kg, and it is somewhat difficult for the general public as well as younger and older people to use it.

しかして、本発明による木製防火扉１は、芯材１３に桐集成材を使用しており、前記の表面材１７などを含めても重さが軽量となり、搬入や取り付けが容易で建物躯体への負担も軽く、使用時の開閉性がスムーズである。
さらに、桐集成材からなる芯材１３は比較的低音を吸収し、かつ表面材１７は高音を反射する。よって、遮音性能も高水準となっている。
さらに、表面材１７には、ぬくもりや質感、そして高級感を持たせた。さらに、表面材１７は自由に選択でき、塗装や彫り込み、デザインなどは幅広い対応ができる。すなわち、家具・インテリアとの調和のとれたトータルインテリアも可能となる。 Thus, the wooden fire door 1 according to the present invention uses paulownia laminated wood for the core material 13, and the weight is light even if the surface material 17 is included, and it is easy to carry in and attach to the building frame. The load is light and the opening and closing during use is smooth.
Furthermore, the core 13 made of paulownia laminated material absorbs relatively low sounds, and the surface material 17 reflects high sounds. Therefore, the sound insulation performance is also at a high level.
Furthermore, the surface material 17 has a warmth, a texture, and a high-class feeling. Further, the surface material 17 can be freely selected, and a wide range of painting, engraving, design, etc. can be handled. In other words, a total interior that is harmonious with furniture and interior is possible.

その他、スチール防火ドアを上回る耐熱・断熱性があり、かつ燃えにくく、煙が発生しないし、熱による反りがない。すなわち、炎熱による反りが起こらず、煙・炎をシャットアウトする。
また、歪みにくい剛性を有し、劣化がほとんどない桐集成材を使用して、高い剛性の複合構造することも相まって耐久性が向上している。 In addition, it has heat resistance and heat insulation properties that exceed those of steel fire doors, is difficult to burn, does not generate smoke, and does not warp due to heat. That is, there is no warp due to flame heat, and the smoke and flame are shut out.
In addition, durability is improved in combination with a high-rigidity composite structure using paulownia laminated wood that has rigidity that is not easily distorted and hardly deteriorates.

冷暖房の省エネ効果と遮音性を高め、経年変化に強い。逆に桐集成材は吸湿や温度変化による変形がなく、年数が経つほど材質が引き締まって強さを増すこととなる。
しかも、桐の抗菌効果で腐らず、丈夫で衛生面も安心となる。
さらに、地球環境にも配慮し、すべて植林材である桐が使用され、貴重な森林資源と地球環境にも配慮している。 Improves energy-saving effect and sound insulation of air conditioning, and is resistant to aging. Conversely, paulownia laminated wood does not deform due to moisture absorption or temperature change, and as the years pass, the material tightens and the strength increases.
Moreover, the antibacterial effect of paulownia does not rot, and it is durable and hygienic.
Furthermore, in consideration of the global environment, paulownia is used as a plantation material, giving consideration to precious forest resources and the global environment.

次に、本発明の加熱発泡剤につき説明すると、本発明による加熱発泡剤は、グラファイトを含有した加熱発泡型の発泡材からなり、材料自体は、所定温度以上の熱に反応して体積膨張（熱膨張）し、耐熱性を有する部材となる一方、飛散し易いという特性を有する。
すなわち、グラファイト含有発泡材は、発泡すると優れた耐熱性を有する部材となる。しかし同時に、飛散しやすい材質のため、飛散すると、耐熱性能が著しく低下するという面をも有する。 Next, the heating foaming agent of the present invention will be described. The heating foaming agent according to the present invention comprises a heating foaming type foaming material containing graphite, and the material itself expands in volume in response to heat of a predetermined temperature or more ( Thermal expansion) and a member having heat resistance, while having a characteristic of being easily scattered.
That is, the graphite-containing foam material becomes a member having excellent heat resistance when foamed. However, at the same time, since it is a material that easily scatters, the heat resistance performance is significantly reduced when it is scattered.

例えば、芯材１３の両面にグラファイト含有発泡材層を形成し、その上から化粧板を接合した扉では、火災発生において、グラファイト含有発泡材層が飛散してしまうので、結果として、防火性能を高めることができないなどである。   For example, in a door in which a graphite-containing foam material layer is formed on both sides of the core material 13 and a decorative board is joined to the graphite-containing foam material layer, the graphite-containing foam material layer is scattered in the event of a fire. It cannot be raised.

このため、本発明では、縦枠７の戸当たり部１１に取り付けた戸当たりクッション１２内に、加熱発泡剤１５を埋め込み、該加熱発泡剤１５を火災発生時に加熱発泡させて木製扉体３と戸当たり部１１との隙間を埋めるものとした。このような使用が加熱発泡剤１５を利用した防火性能アップの大きな使用方法となる。しかも、加熱発泡剤１５は、扉体密閉時にクッション片１６で被覆されており、これによっても悲惨が大きく防げる。
しかして、前記加熱発泡剤１５の体積は約８〜１０倍に発泡することとなり、優れた防火性能が得られるものとなる。
For this reason, in the present invention, the heating foaming agent 15 is embedded in the door cushion 12 attached to the door stopper 11 of the vertical frame 7, and the heating foaming agent 15 is heated and foamed in the event of a fire to form the wooden door 3 and The gap with the door stop 11 was filled. Such use is a large usage method for improving the fire prevention performance using the heating foaming agent 15. Moreover, the heating foaming agent 15 is covered with the cushion piece 16 when the door body is sealed, which can greatly prevent misery.
Thus, the volume of the heating foaming agent 15 is expanded about 8 to 10 times, and excellent fireproof performance is obtained.

本発明の横断面図である。It is a cross-sectional view of the present invention. 本発明の戸当たり部の構成を説明する構成説明図（その１）である。BRIEF DESCRIPTION OF THE DRAWINGS It is structure explanatory drawing (the 1) explaining the structure of the door stop part of this invention. 本発明の戸当たり部の構成を説明する構成説明図（その２）である。It is the structure explanatory drawing (the 2) explaining the structure of the door stop part of this invention. 本発明の戸当たりクッションの構成を説明する構成説明図である。It is a structure explanatory view explaining the composition of the door stop cushion of the present invention. 本発明の縦断面図である。It is a longitudinal cross-sectional view of this invention. 本発明の正面図である。It is a front view of the present invention. 本発明の背面図である。It is a rear view of the present invention. 表面材をロール巻きにした状態の説明図（その１）である。It is explanatory drawing (the 1) of the state which rolled the surface material. 表面材をロール巻きにした状態の説明図（その１）である。It is explanatory drawing (the 1) of the state which rolled the surface material. 木製扉体の構成を説明する構成説明図である。It is a composition explanatory view explaining the composition of a wooden door. 従来の扉体の構成を説明する構成説明図である。It is composition explanatory drawing explaining the structure of the conventional door body.

符号の説明Explanation of symbols

１ 木製防火扉
２ 枠
３ 木製防火扉体
４ 枠本体
５ 戸当たり部材
６ 上枠
７ 縦枠
８ くつずり
９ 丁番
１１ 戸当たり部
１２ 戸当たりクッション
１３ 芯材
１４ 戸当たりクッション基部
１５ 加熱発泡剤
１６ クッション片
１７ 表面材
１８ 大手材
１９ はく離紙
DESCRIPTION OF SYMBOLS 1 Wooden fire door 2 Frame 3 Wooden fire door body 4 Frame main body 5 Door contact member 6 Upper frame 7 Vertical frame 8 Hook 9 Hinge 11 Door stop
12 Cushion 13 per door 13 Core material 14 Cushion base 15 per door Heating foam 16 Cushion piece 17 Surface material 18 Major material 19 Release paper

Claims (5)

方形状に枠組みされた枠と、該枠内に取り付けられる木製防火扉体と、を備え、
前記枠は、枠本体と、該枠本体の内側に取り付けられる戸当たりクッションとを有し、戸当たりクッションが取り付けられる枠本体の縦枠側面部には縦長凹条の取り付け凹溝条が形成され、該取り付け凹溝条に、加熱発泡剤が固着された戸当たりクッションが取り付けられてなり、
該戸当たりクッションは、帯板状に形成された戸当たりクッション基部と、基部内に設けられた凹溝条に固着された加熱発泡剤と、前記戸当たりクッション基部の一端側から他端側に向けて半円状に湾曲させて形成されたクッション片と、を有し、該クッション片には前記木製防火扉体の端部が密着可能とされ、
前記木製防火扉体は、複数枚の桐集成板からなる芯材と、前記芯材の両側面に貼着される燃焼遅延部材より構成された表面材と、を有して構成された、
ことを特徴とする木製防火扉。
A frame framed in a rectangular shape, and a wooden fire door attached in the frame,
The frame has a frame main body and a door-cushion cushion attached to the inside of the frame main body, and a mounting groove for a vertically long groove is formed on a side surface of the vertical frame of the frame main body to which the door-cushion cushion is attached. The mounting groove groove is attached with a door cushion to which a heating foaming agent is fixed,
The door-cushion includes a door-cushion base formed in a strip shape, a heating foam fixed to a groove provided in the base, and one end side to the other side of the door-cushion base. A cushion piece formed by being bent in a semicircular shape, and the end of the wooden fire door can be closely attached to the cushion piece,
The wooden fire door body has a core material composed of a plurality of paulownia laminated plates, and a surface material composed of a combustion delay member attached to both side surfaces of the core material.
A wooden fire door characterized by that.
前記芯材は、３枚の桐集成板を積層した積層板からなり、前記芯材の両面に設けられた前記表面材は、化粧ガラス繊維が混入された珪酸マグネシウム板である燃焼遅延部材により構成された、
ことを特徴とする請求項１記載の木製防火扉。
The core material is composed of a laminated plate in which three paulownia laminated plates are laminated, and the surface material provided on both surfaces of the core material is constituted by a combustion delay member that is a magnesium silicate plate mixed with decorative glass fibers. Was
The wooden fire door as claimed in claim 1.
前記戸当たりクッションの半円状に湾曲したクッション片は防火扉閉扉時に、木製防火扉体の端部が密着して伸張し、該伸張部で防火扉と縦枠間の隙間を密閉する、
ことを特徴とする請求項１または請求項２記載の木製防火扉。
The cushion piece curved in a semicircle shape of the door cushion is closed when the fire door is closed, and the end of the wooden fire door body is closely attached and stretched, and the stretch portion seals the gap between the fire door and the vertical frame.
The wooden fire door according to claim 1 or 2, characterized in that:
前記表面材は、化粧ガラス繊維混入珪酸マグネシウムを材料としてシート状に形成され、該表面材の裏面側に接着剤があらかじめ塗布されてなると共に、該塗布面がはく離紙で被覆されてなり、
該はく離紙面を内側にしてロール状に巻回収納されて別部品とされ、該別部品を既設の扉体面に後付け貼着可能とした、
ことを特徴とする木製防火扉。
The surface material is formed in a sheet form using a decorative glass fiber-mixed magnesium silicate, the adhesive is pre-applied to the back side of the surface material, and the coated surface is covered with a release paper,
The release paper surface is inside and rolled and stored as a separate part, and the separate part can be retrofitted to the existing door body surface.
A wooden fire door characterized by that.
前記表面材は、化粧ガラス繊維混入珪酸マグネシウムを材料として粉末状に形成され、前記粉末と接着剤とを、既設の扉体面に吹き付け、表面材を形成した、
ことを特徴とする木製防火扉。

The surface material is formed into a powder form using a decorative glass fiber-mixed magnesium silicate as a material, and the powder and the adhesive are sprayed on an existing door body surface to form a surface material.
A wooden fire door characterized by that.

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