JP6108785B2 - Membrane ceiling - Google Patents

Membrane ceiling Download PDF

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JP6108785B2
JP6108785B2 JP2012255281A JP2012255281A JP6108785B2 JP 6108785 B2 JP6108785 B2 JP 6108785B2 JP 2012255281 A JP2012255281 A JP 2012255281A JP 2012255281 A JP2012255281 A JP 2012255281A JP 6108785 B2 JP6108785 B2 JP 6108785B2
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membrane
mounting bracket
ceiling
film
film material
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JP2014101715A (en
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ボン スプ キム
ボン スプ キム
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コシス ホールディングス
コシス ホールディングス
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/30—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall
    • E04B9/303—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by edge details of the ceiling; e.g. securing to an adjacent wall for flexible tensioned membranes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
    • E04B2009/0492—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like with fabrics tensioned on frames

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Description

本発明は、天井の一部を不燃性膜材料で構成するようにし、膜材に適正な張力を導入して保持可能な膜天井に関する。   The present invention relates to a membrane ceiling in which a part of the ceiling is made of a non-combustible membrane material and can be held by introducing an appropriate tension to the membrane material.

建物の天井、壁等に、意匠的効果、構造上の軽量化等を目的として、膜材を用いた建築物が知られている。これらの膜材は、各種の定着方法で支持して、面状の天井等を構成するように、膜材を張り巡らして構成されている。また、天井面に並べて設けられた蛍光ランプ等の線光源を膜材で覆うことにより、膜材を透過する光によって膜材全体が明るくなるようにした、光膜天井等も膜天井の適用例として知られている（特許文献１）。   2. Description of the Related Art Buildings using membrane materials are known for the purpose of design effects, structural weight reduction, and the like on the ceiling and walls of buildings. These film materials are supported by various fixing methods and are formed by stretching the film materials so as to form a planar ceiling or the like. In addition, the film membrane ceiling etc. is also an application example of the membrane ceiling in which the entire film material is brightened by the light transmitted through the membrane material by covering the line light source such as a fluorescent lamp arranged side by side with the membrane material. It is known as (patent document 1).

また、膜天井は伸縮性を有する膜材に所定の張力を付与して、膜材端に設けられた各種の定着具を用いて壁等に設けられた定着部に定着させることが必要となる。この点に関し、出願人は、膜天井を効率よく張設でき、また皺等が生じないように所定の張力を均等に導入できる定着方式を提供している（非特許文献１）。   In addition, the membrane ceiling needs to apply a predetermined tension to the stretchable membrane material and fix it to the fixing portion provided on the wall or the like using various fixing tools provided at the end of the membrane material. . In this regard, the applicant has provided a fixing system that can efficiently stretch the membrane ceiling and can uniformly introduce a predetermined tension so as not to cause wrinkles (Non-Patent Document 1).

特開２００５−８２９７７号公報Japanese Patent Laid-Open No. 2005-82977

株式会社トニー、“製品NEWS”、［online］、［平成２４年１０月１０日検索］、インターネット＜URL：http://www.tony-net.com/news_082.pdf＞Tony Co., Ltd., “Product NEWS”, [online], [October 10, 2012 search], Internet <URL: http://www.tony-net.com/news_082.pdf>

ところで、建築基準法により、建物の内装材として膜天井を構成する膜材には不燃材料が求められる。不燃材料としての膜材（以下、不燃性膜材）は、一般にガラスクロス等の不燃材を芯材として塩化ビニル樹脂（ＰＶＣ）コーティング等を施した製品からなる。この種の不燃性膜材はガラスクロス芯材を有するため、ＰＶＣ膜材等に比べて、膜天井の天井面を形成するために要する所定の張力を導入できるほどの伸縮性を有していない。   By the way, a non-combustible material is calculated | required by the building standard method for the film | membrane material which comprises a film | membrane ceiling as a building interior material. A film material as a non-combustible material (hereinafter referred to as a non-combustible film material) is generally a product in which a non-combustible material such as glass cloth is used as a core material and a vinyl chloride resin (PVC) coating is applied. Since this kind of non-combustible film material has a glass cloth core material, it does not have elasticity enough to introduce a predetermined tension required for forming the ceiling surface of the film ceiling, compared to a PVC film material or the like. .

本発明は上記課題に鑑みてなされたものであり、不燃膜材を天井膜材として使用でき、不燃膜材に天井材料として使用する際の適正張力を保持できるようにした膜天井を提供することを目的とする。   The present invention has been made in view of the above problems, and provides a membrane ceiling in which a non-combustible membrane material can be used as a ceiling membrane material and can maintain an appropriate tension when used as a ceiling material for the non-combustible membrane material. With the goal.

上記目的を達成するため、本発明に係る膜天井は、不燃膜材を張設して天井面を構成した膜天井であって、前記天井面の近傍の躯体壁面に、前記不燃膜材の張設方向に沿って取り付けられた取付金具に、不燃膜材と、前記取付金具の延設方向に沿って取り付けられ、前記取付金具の長手方向に沿って係止可能な係止手段と、前記不燃膜材との間に間に介装された弾性膜材とを備えた膜ユニットを、前記係止手段を前記取付金具に定着して前記不燃膜材を張設して天井面を構築する際に、前記膜ユニットの前記弾性膜材が、前記取付金具内に収容されるようにしたことを特徴とする。   In order to achieve the above object, a membrane ceiling according to the present invention is a membrane ceiling in which a nonflammable film material is stretched to form a ceiling surface, and the nonflammable film material is stretched on a casing wall surface in the vicinity of the ceiling surface. A non-combustible film material, a locking means that is mounted along the extending direction of the mounting bracket, and that can be locked along the longitudinal direction of the mounting bracket; When a membrane unit having an elastic membrane material interposed between the membrane material and the fixing means is fixed to the mounting bracket and the non-combustible membrane material is stretched to construct a ceiling surface Further, the elastic membrane material of the membrane unit is accommodated in the mounting bracket.

前記取付金具は、内部に前記膜ユニットに取り付けられた係止手段を保持可能な突起部が複数段形成され、前記係止位置の保持位置を変更して前記膜ユニットの不燃膜材の張設時の張力を調整可能にすることが好ましい。   The mounting bracket has a plurality of protrusions formed therein that can hold the locking means attached to the membrane unit, and the holding position of the locking position is changed to stretch the nonflammable film material of the membrane unit. It is preferable that the tension at the time can be adjusted.

前記弾性膜材は、前記不燃膜材に接合された高伸縮膜とすることが好ましい。   The elastic film material is preferably a highly stretchable film bonded to the non-combustible film material.

前記取付金具の下端開放部を、前記膜ユニットを取り付けた後に、キャップで閉塞することが好ましい。   It is preferable that the lower end opening of the mounting bracket is closed with a cap after the membrane unit is mounted.

前記キャップは、金属製部材で、前記取付金具の一部に係止するとともに、前記不燃膜材の折り曲げ部を下面から覆うフランジ部を有することが好ましい。   It is preferable that the cap is a metal member and has a flange portion that engages with a part of the mounting bracket and covers the bent portion of the non-combustible film material from the lower surface.

前記キャップは、難燃性弾性部材で、弾性変形させて前記取付金具内に収容し、前記弾性膜材を下面から覆うようにすることが好ましい。   It is preferable that the cap is a flame-retardant elastic member that is elastically deformed and accommodated in the mounting bracket so as to cover the elastic film material from the lower surface.

前記天井面に照明を配置し、前記取付金具の前記不燃膜材が折り曲げられる側の部位を覆う光透過部材を前記取付金具の一部に装着し、前記照明の光を、前記不燃膜材を透過させて、光膜天井を構成することが好ましい。   Lighting is disposed on the ceiling surface, a light transmitting member that covers a portion of the mounting bracket on the side where the noncombustible film material is bent is attached to a part of the mounting bracket, and the light of the illumination is applied to the nonflammable film material. It is preferable that the light film ceiling is formed by transmitting the light.

本発明によれば、不燃膜材を用いた膜天井や光膜天井において、前記不燃膜材に適正な張力を調整して導入することができ、その張力を保持しつつ、不燃性能を確保することができるという効果を奏する。   According to the present invention, in a film ceiling or a light film ceiling using a non-combustible film material, an appropriate tension can be adjusted and introduced into the non-combustible film material, and the non-combustible performance is ensured while maintaining the tension. There is an effect that can be.

本発明の第１の実施形態に係る膜天井を示す斜視図。The perspective view which shows the film | membrane ceiling which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る膜天井に用いられる取付金具を示した斜視図であり、（ａ）は端部用取付金具の斜視図、（ｂ）は中間部用取付金具の斜視図。It is the perspective view which showed the attachment bracket used for the membrane ceiling which concerns on the 1st Embodiment of this invention, (a) is a perspective view of the attachment bracket for edge parts, (b) is the perspective view of the attachment bracket for intermediate parts. . 本発明の第１の実施形態に係る膜天井に用いられる取付金具のその他の例を示した斜視図であり、（ａ）は端部用取付金具の斜視図、（ｂ）は中間部用取付金具の斜視図。It is the perspective view which showed the other example of the attachment bracket used for the membrane ceiling which concerns on the 1st Embodiment of this invention, (a) is a perspective view of the attachment bracket for edge parts, (b) is the attachment for intermediate | middle parts The perspective view of a metal fitting. 本発明の第１の実施形態に係る膜天井に用いられる膜ユニットの斜視図。The perspective view of the membrane unit used for the membrane ceiling which concerns on the 1st Embodiment of this invention. 本発明の第１の実施形態に係る膜天井が有する膜ユニットを取付ける様子を取付順（（ａ）〜（ｃ））に示した図。The figure which showed a mode that the film | membrane unit which the film | membrane ceiling which concerns on the 1st Embodiment of this invention had was attached to an attachment order ((a)-(c)). 本発明の第１の実施形態に係る膜天井が有する膜ユニットを取り外す様子を取り外し順（（ａ）〜（ｃ））に示した図。The figure which showed a mode that the membrane unit which the membrane ceiling which concerns on the 1st Embodiment of this invention has was removed in order of removal ((a)-(c)). 本発明の第１の実施形態に係る膜天井の断面図であり、取付金具の内部を覆うキャップが取り付けられた様子（（ａ）〜（ｂ））を示した図。It is sectional drawing of the membrane ceiling which concerns on the 1st Embodiment of this invention, and the figure which showed a mode ((a)-(b)) with which the cap which covers the inside of an attachment metal fitting was attached. 本発明の第２の実施形態に係る光膜天井の側面図。The side view of the optical film ceiling which concerns on the 2nd Embodiment of this invention. 本発明の第２の実施形態に係る光膜天井に用いられる取付金具を示した（（ａ）〜（ｂ））側面図。The side view ((a)-(b)) which showed the fixture used for the optical film ceiling which concerns on the 2nd Embodiment of this invention.

以下、本発明の実施形態に係る膜天井、及び光膜天井を図面を参照して説明する。   Hereinafter, a membrane ceiling and an optical membrane ceiling according to embodiments of the present invention will be described with reference to the drawings.

図１は、本発明の第１の実施形態に係る膜天井を示す斜視図である。図１に示すように、本発明の第１の実施形態に係る膜天井１は、天井２や壁３に固定された端部用取付金具１０及び中間部用取付金具２０（以下、これらを特に区別しない場合は、単に「取付金具」と記載する）と、隣接するこれらの取付金具１０，２０間を接続して天井に張設される膜ユニット３０とを備えている。膜ユニット３０には、一対の対辺のそれぞれに、係止手段としてのフック３１が取り付けられている。膜ユニット３０は、フック３１が端部用取付金具１０及び中間部用取付金具２０に取り付けられることで、取付金具１０，２０間に張設されている。なお、端部用取付金具は、膜天井の端部に設けられるものであり、膜ユニット３０に設けられた一方のフック３１が係止される。また、中間部用取付金具２０は、膜天井１の中間部に設けられ、両側部に張設された両側から張設された膜ユニット３０のフック３１がそれぞれの位置に係止される。なお、図１においては、図の理解を容易にするため、片側のみにフック３１が取り付けられた状態の中間部用取付金具２０を示している。   FIG. 1 is a perspective view showing a membrane ceiling according to the first embodiment of the present invention. As shown in FIG. 1, the membrane ceiling 1 according to the first embodiment of the present invention includes an end mounting bracket 10 and an intermediate mounting bracket 20 (hereinafter referred to as “particular mounting brackets”) fixed to the ceiling 2 and the wall 3. When not distinguished, they are simply referred to as “mounting brackets”) and a membrane unit 30 that is connected to the adjacent mounting brackets 10 and 20 and is stretched on the ceiling. The membrane unit 30 is provided with hooks 31 as locking means on each of a pair of opposite sides. The membrane unit 30 is stretched between the mounting brackets 10 and 20 by attaching the hooks 31 to the end mounting bracket 10 and the intermediate mounting bracket 20. The end mounting bracket is provided at the end of the membrane ceiling, and one hook 31 provided in the membrane unit 30 is locked. Further, the intermediate mounting bracket 20 is provided in an intermediate portion of the membrane ceiling 1, and hooks 31 of the membrane unit 30 that are extended from both sides that are extended from both sides are locked at respective positions. In FIG. 1, in order to facilitate understanding of the drawing, the intermediate mounting bracket 20 with the hook 31 attached to only one side is shown.

以下に、本発明の第１の実施形態に係る膜天井１の構造詳細について説明する。図２は、本発明の第１の実施形態に係る膜天井１に用いられる取付金具を示した斜視図であり、（ａ）は端部用取付金具１０の斜視図、（ｂ）は中間部用取付金具２０の斜視図である。また、図３は、本発明の第１の実施形態に係る膜天井１に用いられる取付金具１０，２０のその他の例を示した斜視図であり、（ａ）は端部用取付金具１０の斜視図、（ｂ）は中間部用取付金具２０の斜視図である。   Details of the structure of the membrane ceiling 1 according to the first embodiment of the present invention will be described below. FIG. 2 is a perspective view showing a mounting bracket used for the membrane ceiling 1 according to the first embodiment of the present invention, wherein (a) is a perspective view of the end mounting bracket 10 and (b) is an intermediate portion. FIG. FIG. 3 is a perspective view showing another example of the mounting brackets 10 and 20 used in the membrane ceiling 1 according to the first embodiment of the present invention. FIG. A perspective view and (b) are perspective views of the intermediate mounting bracket 20.

図２（ａ）に示すように、端部用取付金具１０は、図中奥方向に長手方向が設定された矩形状のフランジ１１と、フランジ１１の略中央部に長手方向に沿って立設した膜材係止部１２と、フランジ１１の端部に長手方向に沿って立設したフック係止部１３とを有している。膜材係止部１２とフック係止部１３とにより、膜ユニット３０の両側端に設けられたうちの片側のフック３１（図１）を収容して保持可能なフック挿入溝１４を形成している。   As shown in FIG. 2 (a), the end mounting bracket 10 is provided with a rectangular flange 11 whose longitudinal direction is set in the back direction in the figure, and is erected along the longitudinal direction at a substantially central portion of the flange 11. And a hook engaging portion 13 erected along the longitudinal direction at the end of the flange 11. The membrane material locking portion 12 and the hook locking portion 13 form a hook insertion groove 14 that can receive and hold one of the hooks 31 (FIG. 1) provided at both ends of the membrane unit 30. Yes.

フック係止部１３には、膜材係止部１２側に突出した突出端１５が長手方向に沿って２段で形成されている。この突出端１５に後述するフック３１が引っ掛けられて、膜ユニット３０は端部用取付金具１０に取付られる。また、膜材係止部１２には、折曲部１６が形成されている。この折曲部１６でフック係止部１３側に屈曲されている。   The hook locking portion 13 has a protruding end 15 that protrudes toward the membrane material locking portion 12 in two steps along the longitudinal direction. A hook 31, which will be described later, is hooked on the protruding end 15, and the membrane unit 30 is attached to the end fitting 10. Further, a bent portion 16 is formed in the film material locking portion 12. The bent portion 16 is bent toward the hook locking portion 13 side.

また、図２（ｂ）に示すように、中間部取付金具２０は、図中奥方向に長手方向が設定された矩形状のフランジ２１と、フランジの略中央に長手方向に沿って立設したフック係止部２３と、フック係止部２３を挟んでフランジの長手方向に沿って立設した２つの膜材係止部２２とを有している。フック係止部１３と２つの膜材係止部２２とにより、膜ユニット３０に設けられた一方のフック３１が挿入可能なフック挿入溝２４がそれぞれ形成されている。   Moreover, as shown in FIG.2 (b), the intermediate | middle part mounting bracket 20 stood along the longitudinal direction in the rectangular flange 21 by which the longitudinal direction was set to the back direction in the figure, and the approximate center of the flange. It has a hook locking part 23 and two membrane material locking parts 22 erected along the longitudinal direction of the flange across the hook locking part 23. A hook insertion groove 24 into which one hook 31 provided in the membrane unit 30 can be inserted is formed by the hook locking portion 13 and the two membrane material locking portions 22.

フック係止部２３の両側面には、対向する膜材係止部側２２に突出した突出端２５が長手方向に沿って２段に形成されている。これにより、中間部用取付金具２０の両側面において膜ユニット３０のフック３１を係止することが可能となる。この２つの膜材係止部２２にも、折曲部２６が形成されている。   On both side surfaces of the hook locking portion 23, protruding ends 25 protruding in the facing film material locking portion side 22 are formed in two steps along the longitudinal direction. Accordingly, the hooks 31 of the membrane unit 30 can be locked on both side surfaces of the intermediate mounting bracket 20. A bent portion 26 is also formed in the two film material locking portions 22.

なお、図２各図では、長手方向に２段の突出端１５，２５が形成されたフック係止部１３，２３について説明したが、突出端１５，２５の段数については特に限定されるものではない。後述するように、突出端を２段以上の複数段設けることで、膜ユニット３０に作用する張力の微調整を行うことが可能となる。図３（ａ）、（ｂ）は、４段の突出端４５，５５が形成されたフック係止部４３，５３を有する端部用取付金具４０、及び中間部用取付金具５０を示している。   In addition, in each figure of FIG. 2, although the hook latching | locking parts 13 and 23 in which the two-stage protrusion ends 15 and 25 were formed in the longitudinal direction were demonstrated, the number of steps of the protrusion ends 15 and 25 is not specifically limited. Absent. As will be described later, it is possible to finely adjust the tension acting on the membrane unit 30 by providing two or more protruding ends. 3 (a) and 3 (b) show an end mounting bracket 40 and an intermediate mounting bracket 50 having hook engaging portions 43 and 53 formed with four-stage protruding ends 45 and 55, respectively. .

次に、膜ユニット３０の詳細について説明する。図４は、本発明の第１の実施形態に係る膜天井１に用いられる膜ユニット３０の斜視図を示している。図４に示すように、膜ユニット３０は、膜ユニット３０を取付金具１０，２０（図１参照）に取り付けるための係止手段としてのフック３１と、膜材３２と、フック３１と膜材３２との間に介在する弾性膜材としての高伸縮膜３３とを備えている。フック３１は、例えば、硬質ポリ塩化ビニル樹脂（ＰＶＣ）成形品で、その外面に突出した引掛部３４が形成されている。この引掛部３４が、端部用取付金具１０、及び中間部用取付金具２０の突出端１５，２５に引っ掛けられることにより、膜ユニット３０は取付金具１０，２０に取り付けられる。   Next, details of the membrane unit 30 will be described. FIG. 4 shows a perspective view of the membrane unit 30 used in the membrane ceiling 1 according to the first embodiment of the present invention. As shown in FIG. 4, the membrane unit 30 includes a hook 31 as a locking means for attaching the membrane unit 30 to the mounting brackets 10 and 20 (see FIG. 1), a membrane material 32, a hook 31 and a membrane material 32. And a high stretch film 33 as an elastic film material interposed therebetween. The hook 31 is, for example, a hard polyvinyl chloride resin (PVC) molded product, and a hooking portion 34 protruding from the outer surface is formed. The hook unit 34 is hooked on the projecting ends 15 and 25 of the end mounting bracket 10 and the intermediate mounting bracket 20, whereby the membrane unit 30 is mounted on the mounting brackets 10 and 20.

膜材３２としては、内装材として適合する公知の不燃膜材を使用できる。具体的には不燃処理が施された膜材料であって、芯材としてのガラスクロス（ガラス繊維織物）に、四フッ化エチレン樹脂、塩化ビニル樹脂、クロロプレンゴム、クロロスルフォン化ポリエチレンゴム等のコーティングされた膜材を使用することができる。   As the film material 32, a known incombustible film material suitable as an interior material can be used. Specifically, it is a film material that has been subjected to non-combustible treatment, and a glass cloth (glass fiber fabric) as a core material is coated with tetrafluoroethylene resin, vinyl chloride resin, chloroprene rubber, chlorosulfonated polyethylene rubber, etc. The film material made can be used.

ところで、フック３１に形成された引掛部３４の突出端１５，２５（図２）への引っ掛かりは、膜ユニット３０に適切な張力が作用しなければ、その状態を保持させることができない。しかしながら、上述した不燃膜材は、芯材としてのガラスクロスの伸縮性がほとんど見込めないため、取付金具１０，２０間に架け渡された膜ユニット３０に適切な張力を保持し続けさせることは困難である。そこで、本実施形態に係る膜天井１においては、膜ユニット３０のフック３１と膜材３２との間に高伸縮膜３３を介在させることで、膜材３２に所定の張力を保持できるようにしている。   By the way, the hooking portion 34 formed on the hook 31 cannot be held in the state where the tension is not applied to the membrane unit 30 unless the hooking portion 34 is hooked on the protruding ends 15 and 25 (FIG. 2). However, since the non-combustible film material described above can hardly expect the stretchability of the glass cloth as the core material, it is difficult to keep the film unit 30 spanned between the mounting brackets 10 and 20 to maintain appropriate tension. It is. Thus, in the membrane ceiling 1 according to the present embodiment, a high tension membrane 33 is interposed between the hook 31 of the membrane unit 30 and the membrane material 32 so that a predetermined tension can be maintained on the membrane material 32. Yes.

高伸縮膜３３は、例えば、弾性伸縮性を有するポリ塩化ビニル樹脂（ＰＶＣ）膜材を用いることができる。その伸縮方向の初期長さは２〜５cm程度とし、フック３１取り付け時に、その伸長時の全長が取付金具１０，２０内に収容される長さとする。高伸縮膜３３とフック３１との定着、及び高伸縮膜３３と膜材３２との定着は、所定の幅を重ねて圧着や溶着等の既知の接合方法により一体化することができる。このように、膜材３２とフック３１との間に高伸縮膜３３を介在させることにより、膜材３２に適切な張力を保持することができ、引掛部３４の突出端１５，２５（図１参照）への引っ掛かり状態が保持される。   For the high stretch film 33, for example, a polyvinyl chloride resin (PVC) film material having elastic stretchability can be used. The initial length in the expansion and contraction direction is about 2 to 5 cm, and when the hook 31 is attached, the entire length when the hook 31 is extended is accommodated in the mounting brackets 10 and 20. The fixing between the high stretch film 33 and the hook 31 and the fixing between the high stretch film 33 and the film material 32 can be integrated by a known joining method such as pressure bonding or welding by overlapping a predetermined width. Thus, by interposing the highly stretchable film 33 between the film material 32 and the hook 31, an appropriate tension can be maintained in the film material 32, and the projecting ends 15 and 25 of the hook portion 34 (FIG. 1). The state of being hooked to (see) is maintained.

次に、膜ユニット３０の取付方法について説明する。図５は、本発明の第１の実施形態に係る膜天井１の膜ユニット３０を取付ける様子を取付順（（ａ）〜（ｃ））に示した図、図６は、本発明の第１の実施形態に係る膜天井１の膜ユニット３０を取り外す様子を取外し順（（ａ）〜（ｃ））に示した図である。   Next, a method for attaching the membrane unit 30 will be described. FIG. 5 is a diagram showing a state of attaching the membrane unit 30 of the membrane ceiling 1 according to the first embodiment of the present invention in the order of attachment ((a) to (c)), and FIG. 6 is the first diagram of the present invention. It is the figure which showed the state which removes the film | membrane unit 30 of the film | membrane ceiling 1 which concerns on this embodiment in order of removal ((a)-(c)).

図５（ａ）に示すように、あらかじめ上述した端部用取付金具１０等の取付金具を天井２や壁３の所定位置に取り付けておく。なお、図５においては、端部用取付金具１０への膜ユニット３０の取付方法について説明するが、中間部用取付金具２０についても同様に取付けることができる。続いて、図５（ｂ）に示すように、着脱用へら６０を用いてフック３１を持ち上げ、端部用取付金具１０にフック３１を近づける。この際、高伸縮膜３３伸びて、不燃膜材３２に所定の張力が導入される。そして、フック３１の引掛部３４を端部用取付金具１０に形成された突出端１５に引っ掛けて、図５（ｃ）に示すように、膜材ユニット３０を端部用取付金具１０に取付ける。なお、フック３１には引張力が作用しているため、引掛部３４と突出端１５との引掛かり状態は保持される。   As shown in FIG. 5A, the mounting bracket such as the end mounting bracket 10 described above is mounted in advance on the ceiling 2 or the wall 3 in advance. In addition, in FIG. 5, although the attachment method of the membrane unit 30 to the attachment bracket 10 for edge parts is demonstrated, it can attach similarly about the attachment bracket 20 for intermediate parts. Subsequently, as shown in FIG. 5 (b), the hook 31 is lifted using the attaching / detaching spatula 60, and the hook 31 is brought close to the end fitting 10. At this time, the highly stretchable film 33 is stretched and a predetermined tension is introduced into the incombustible film material 32. Then, the hook portion 34 of the hook 31 is hooked on the protruding end 15 formed on the end mounting bracket 10, and the membrane material unit 30 is mounted on the end mounting bracket 10 as shown in FIG. In addition, since the tensile force is acting on the hook 31, the hooking state of the hook part 34 and the protrusion end 15 is maintained.

なお、図５（ｃ）において、フック３１の引掛部３４は、十分な張力を得るために端部用取付金具１０に形成された２段の突出端１５のうち、図中上方の突出端１５に引掛けられている。なお、フック３１を取り付ける際に、図中下方側の突出端１５に引掛けた場合でも、不燃膜材３２を用いた膜天井にとして十分な張力が得られる場合には、下方側の突出端１５に引掛けてもよい。このように、端部用取付金具１０に複数段の突出端１５を形成することで、膜ユニット３０に適正な張力を作用させることができる。このため、突出端１５の形成される段数が多いほど、膜ユニット３０に作用させる張力の微調整が容易になる。   In FIG. 5C, the hooking portion 34 of the hook 31 is the upper protruding end 15 in the figure among the two protruding ends 15 formed on the end fitting 10 to obtain sufficient tension. Being caught on When the hook 31 is attached, even if the hook 31 is hooked on the protruding end 15 on the lower side in the drawing, if sufficient tension is obtained as a membrane ceiling using the non-combustible film material 32, the protruding end on the lower side is provided. 15 may be hooked. In this manner, by forming a plurality of protruding ends 15 on the end mounting bracket 10, an appropriate tension can be applied to the membrane unit 30. For this reason, the greater the number of steps at which the protruding ends 15 are formed, the easier the fine adjustment of the tension applied to the membrane unit 30 is.

次に、膜ユニット３０の取外し方法について説明する。まず、図６（ａ）に示すように、着脱用へら６０の先端でフック３１を押し上げる。続いて、図６（ｂ）に示すように、着脱用へら６０を端部用取付金具１０の長手方向に沿って滑らすように移動させる。これによりフック３１は全長にわたって押上げられ、突出端１５と引掛部３４との引っ掛かり状態が解除される。このように、突出端１５と引掛部３４との引掛かり状態が解除されると、膜ユニット３０に作用していた張力により、図６（ｃ）に示したように、フック３１は端部用取付金具１５のから抜け落ちる。これにより端部用取付金具１５からの膜ユニット３０の取外しが完了する。   Next, a method for removing the membrane unit 30 will be described. First, as shown in FIG. 6A, the hook 31 is pushed up by the tip of the attaching / detaching spatula 60. Subsequently, as shown in FIG. 6B, the attaching / detaching spatula 60 is moved so as to slide along the longitudinal direction of the end fitting 10. As a result, the hook 31 is pushed up over its entire length, and the hooked state between the protruding end 15 and the hooking portion 34 is released. Thus, when the hooked state between the projecting end 15 and the hooking portion 34 is released, the hook 31 is used for the end portion as shown in FIG. 6C due to the tension acting on the membrane unit 30. It falls out of the mounting bracket 15. This completes the removal of the membrane unit 30 from the end fitting 15.

なお、中間部用取付金具２０（図１，図２（ｂ））についても、同様の方法で膜ユニット３０の取付け、取外しが可能である。   It should be noted that the membrane unit 30 can be attached and removed by the same method for the intermediate mounting bracket 20 (FIGS. 1 and 2B).

（キャップの取付け）
上述した膜天井１において、高伸縮膜３３は、取付金具１０，２０の内部に位置するが、取付金具１０，２０の下端の開口から見える状態にある。防火性能を高めるためには、この高伸縮膜３３が露出しないようにすることが好ましい。そこで、取付金具１０，２０の下端開口を塞ぐように機能するキャップを取り付け、高伸縮膜３３が天井面に露出しないようにした実施形態を以下に示す。なお、キャップを用いることで、仕切り材、目地材としての意匠上の効果も得られ、膜天井１の美観を高めることも期待できる。 (Attaching the cap)
In the above-described membrane ceiling 1, the highly stretchable membrane 33 is located inside the mounting brackets 10, 20, but is visible from the opening at the lower end of the mounting brackets 10, 20. In order to enhance the fireproof performance, it is preferable that the highly stretchable film 33 is not exposed. Therefore, an embodiment in which a cap that functions to close the lower end openings of the mounting brackets 10 and 20 is attached so that the highly stretchable film 33 is not exposed to the ceiling surface will be described below. In addition, the effect on the design as a partition material and a joint material is acquired by using a cap, and it can also be expected that the appearance of the membrane ceiling 1 is enhanced.

図７は、本発明の第１の実施形態に係る膜天井１の断面図であり、取付金具７０，８０の下面を覆うキャップ９０，９１が取り付けられた様子（（ａ）〜（ｂ））を示した図である。図７（ａ）には、端部用取付金具７０に装着される第１の取付金具用キャップ９０と、中間部用取付金具８０に装着される第２の取付金具用キャップ９１とが示されている。端部用取付金具７０には、フック係止部７３の先端に第１の取付金具用キャップ９０を取付けるための突起であるキャップ用突起７７が形成されている。第１の取付金具用キャップ９０は、このキャップ用突起７７に嵌め込まれる上端凹部９０ａと、端部用取付金具９０の下面を覆うフランジ９０ｂとを有している。また、中間部用取付金具８０にも、フック係止部８３の先端に第２の取付金具用キャップ９１を取付けるためのキャップ用突起８７が形成されている。第２の取付金具用キャップ９１は、中間部用取付金具８０に形成されたキャップ用突起８７に嵌め込まれる上端凹部９１ａと、中間部用取付金具８０の下面を覆うフランジ９１ｂとを有している。図７（ａ）に示すように、第１の取付金具用キャップ９０のフランジ９０ｂは、壁３から膜材係止部７２までの部分を越える程度の幅を有している。また、第２の取付金具用キャップ９１のフランジ９１ｂは、隣接する膜材係止部８２，８２間の間隔を越え、下部開口を完全に覆う程度の幅を有している。これにより、取付金具内の高伸縮膜３３を完全に覆い隠すことができ、防火上の安全性が高まるとともに、意匠上の効果も期待できる膜天井１とすることができる。   FIG. 7 is a cross-sectional view of the membrane ceiling 1 according to the first embodiment of the present invention, in which caps 90 and 91 covering the lower surfaces of the mounting brackets 70 and 80 are attached ((a) to (b)). FIG. FIG. 7A shows a first mounting bracket cap 90 mounted on the end mounting bracket 70 and a second mounting bracket cap 91 mounted on the intermediate mounting bracket 80. ing. The end mounting bracket 70 is formed with a cap projection 77 which is a projection for mounting the first mounting bracket cap 90 on the tip of the hook locking portion 73. The first mounting bracket cap 90 has an upper end recess 90 a that is fitted into the cap projection 77 and a flange 90 b that covers the lower surface of the end mounting bracket 90. The intermediate mounting bracket 80 is also formed with a cap projection 87 for mounting the second mounting bracket cap 91 at the tip of the hook locking portion 83. The second mounting bracket cap 91 has an upper end recess 91 a that is fitted into a cap projection 87 formed on the intermediate mounting bracket 80, and a flange 91 b that covers the lower surface of the intermediate mounting bracket 80. . As shown in FIG. 7A, the flange 90 b of the first mounting bracket cap 90 has a width that exceeds the portion from the wall 3 to the membrane material locking portion 72. Further, the flange 91b of the second mounting bracket cap 91 has a width that covers the lower opening completely beyond the interval between the adjacent film material locking portions 82, 82. As a result, the highly stretchable film 33 in the mounting bracket can be completely obscured, and the film ceiling 1 can be provided which can improve safety in fire prevention and can be expected to have a design effect.

また、図７（ｂ）には、端部用取付金具７０に装着された第３の取付金具用キャップ９２と、中間部用取付金具８０に装着された第４の取付金具用キャップ９３とが示されている。第３、及び第４の取付金具用キャップ９２，９３は、例えば、ポリ塩化ビニル樹脂（ＰＶＣ）成形品である。   FIG. 7B shows a third mounting bracket cap 92 mounted on the end mounting bracket 70 and a fourth mounting bracket cap 93 mounted on the intermediate mounting bracket 80. It is shown. The third and fourth mounting bracket caps 92 and 93 are, for example, molded products of polyvinyl chloride resin (PVC).

第３の取付金具用キャップ９２は、断面が略Ｍ字状である。第３の取付金具用キャップ９２は、その開放部を内側に向けて押圧すると適度に変形可能な程度の難燃性弾性部材からなる。そのため、第３の取付金具用キャップ９２を端部用取付金具７０に装着する際には、開放部を内側に向けて押圧して縮めた状態で、端部用取付金具内部７０に挿入する。これにより、第３の取付金具用キャップ９２の一端は壁３を押圧すると共に、他端は膜材係止部７２を押圧し、端部用取付金具７０の下端に保持され、端部用取付金具７０の下端を塞ぐことができる。   The third mounting bracket cap 92 has a substantially M-shaped cross section. The third mounting bracket cap 92 is made of a flame-retardant elastic member that can be appropriately deformed when the open portion is pressed inward. Therefore, when mounting the third mounting bracket cap 92 to the end mounting bracket 70, the third mounting bracket cap 92 is inserted into the end mounting bracket interior 70 in a state where the open portion is pressed inward and contracted. Thereby, one end of the third mounting bracket cap 92 presses the wall 3, and the other end presses the membrane material locking portion 72, and is held at the lower end of the end mounting bracket 70. The lower end of the metal fitting 70 can be closed.

第４の取付金具用キャップ９３も、断面が略Ｍ字状のキャップである。第４の取付金具９３も第３の取付金具用キャップ９２と同様の構成からなる。第４の取付金具用キャップ９３を中間部用取付金具８０に装着する際も同様の手順で取り付けることができ、第４の取付金具用キャップ９３の両端で膜材係止部８２，８２を押圧した状態で中間部用取付金具内８０に装着され、中間部用取付金具８０の下端を塞ぐことができる。   The fourth mounting bracket cap 93 is also a cap having a substantially M-shaped cross section. The fourth mounting bracket 93 has the same configuration as the third mounting bracket cap 92. When the fourth mounting bracket cap 93 is mounted on the intermediate mounting bracket 80, it can be mounted in the same procedure, and the membrane material locking portions 82, 82 are pressed at both ends of the fourth mounting bracket cap 93. In this state, it is mounted in the intermediate part mounting bracket 80, and the lower end of the intermediate part mounting bracket 80 can be closed.

このように、第３、及び第４の取付金具用キャップ９２，９３を取付金具７０，８０に装着することで、取り付け金具内部の高伸縮膜３３を覆い隠すことができ、防火上、意匠上も優れた膜天井１を提供することができる。   In this way, by attaching the third and fourth mounting bracket caps 92 and 93 to the mounting brackets 70 and 80, the high stretchable film 33 inside the mounting bracket can be obscured. Can provide an excellent membrane ceiling 1.

［光膜天井の構成］
次に、本発明の第２の実施形態に係る光膜天井について説明する。図８は、本発明の第２の実施形態に係る光膜天井１００の側面図を示しており、図９は、本発明の第２の実施形態に係る光膜天井１００に用いられる取付金具１１０，１２０を示した（（ａ）〜（ｂ））側面図を示している。 [Configuration of the light film ceiling]
Next, an optical film ceiling according to a second embodiment of the present invention will be described. FIG. 8 shows a side view of the optical film ceiling 100 according to the second embodiment of the present invention, and FIG. 9 shows a mounting bracket 110 used for the optical film ceiling 100 according to the second embodiment of the present invention. , 120 ((a) to (b)) are side views.

図８に示す本発明の第２の実施形態に係る光膜天井１００は、内部に照明設備１４０が収容された凹部４を覆って、照明による明かりを全面にわたって透過させる天井面を形成する膜天井である。図８に示すように、天井２及び壁３により区画された凹部４には、照明設備１４０である４つの蛍光灯が配置されている。また、凹部４内には、２つの端部用取付金具１１０と、中央部に１つの中間部用取付金具１２０が配置されている。この端部用取付金具１１０と中間部用取付金具１２０との間にそれぞれ膜ユニット３０が張設されている。   The optical film ceiling 100 according to the second embodiment of the present invention shown in FIG. 8 covers the concave portion 4 in which the lighting equipment 140 is accommodated, and forms a ceiling surface that allows the light from the illumination to pass through the entire surface. It is. As shown in FIG. 8, four fluorescent lamps that are lighting equipment 140 are arranged in the recess 4 defined by the ceiling 2 and the wall 3. Further, two end mounting brackets 110 and one intermediate mounting bracket 120 are arranged in the center in the recess 4. The membrane units 30 are stretched between the end mounting bracket 110 and the intermediate mounting bracket 120, respectively.

図９（ａ）に示すように、端部用取付金具１１０は、図面に垂直な方向に長手方向が設定された矩形状のフランジ１１１と、フランジ１１１の端辺から長手方向に沿って立設したフック係止部１１３及び固定部１１８と、フランジ１１１の端部近傍に長手方向に沿って立設した光透過部材取付部１１７とを有している。この光透過部材取付部１１７の周囲を覆うように、光透過性を有する光透過部材１３０が形成されている。   As shown in FIG. 9 (a), the end mounting bracket 110 has a rectangular flange 111 whose longitudinal direction is set in a direction perpendicular to the drawing, and is erected along the longitudinal direction from the end side of the flange 111. The hook engaging portion 113 and the fixing portion 118, and the light transmitting member attaching portion 117 erected in the vicinity of the end portion of the flange 111 along the longitudinal direction. A light transmitting member 130 having light transmittance is formed so as to cover the periphery of the light transmitting member mounting portion 117.

フック係止部１１３には、光透過部材１３０側に突出した突出端１１５が長手方向に沿って２段で形成されている。固定部１１８は、壁３に固定される部分であり、図９（ａ）においては、取付ボルト１５２により固定された様子を示している。光透過部材取付部１１７は、光透過部材１３０を保持する部材である。   The hook engaging portion 113 is formed with a protruding end 115 protruding in the light transmitting member 130 side in two steps along the longitudinal direction. The fixing part 118 is a part fixed to the wall 3, and FIG. 9A shows a state where the fixing part 118 is fixed by the mounting bolt 152. The light transmissive member mounting portion 117 is a member that holds the light transmissive member 130.

光透過部材１３０は、例えば透明アクリル樹脂製で、蛍光灯１４０からの光を透過して、膜ユニット３０の不燃膜材３２に到達させることができる。これにより、蛍光灯１４０からの光は、端部取付金具１１０の影を不燃膜材３２に投影することなく、膜面全体に一様な明るさの光膜天井１００を構成することができる。光透過部材には折曲部１３１が形成されていて、この折曲部位置で膜材３２は折り上げられ、端部が取付金具１１０，１２０で定着される。   The light transmitting member 130 is made of, for example, a transparent acrylic resin, and can transmit the light from the fluorescent lamp 140 to reach the incombustible film material 32 of the film unit 30. Thereby, the light from the fluorescent lamp 140 can form the light film ceiling 100 with uniform brightness over the entire film surface without projecting the shadow of the end fitting 110 on the non-combustible film material 32. A bent portion 131 is formed in the light transmitting member, and the film material 32 is folded up at the position of the bent portion, and the end portions are fixed by the mounting brackets 110 and 120.

また、図９（ｂ）に示すように、中間部用取付金具１２０は、図面に垂直な方向に長手方向が設定された矩形状のフランジ１２１と、フランジ１２１の略中央に長手方向に沿って立設したフック係止部１２３と、フック係止部１２３を挟んでフランジの長手方向に沿って立設した２つの光透過部材取付部１２７とを有している。また、２つの光透過部材取付部１２７には、それぞれ光透過部材１３５が取り付けられている。   Further, as shown in FIG. 9B, the intermediate mounting bracket 120 includes a rectangular flange 121 whose longitudinal direction is set in a direction perpendicular to the drawing, and a longitudinal center of the flange 121 approximately along the longitudinal direction. It has a hook engaging portion 123 erected and two light transmitting member attaching portions 127 erected along the longitudinal direction of the flange with the hook engaging portion 123 interposed therebetween. Further, the light transmitting member 135 is attached to each of the two light transmitting member attaching portions 127.

フック係止部１２３の両側面には、対向する光透過部材取付部側１２７に突出した突出端１２５が長手方向に沿って２段で形成されている。また、フック係止部１２３を挟んで形成された２つの光透過部材取付部１２７は、光透過部材１３５に定着することにより、光透過部材１２７を保持する部材である。また、フランジ１２１は、天井２（図８）から吊下げロッド１５１によって吊下げられた吊下げボックス梁１５０の下面に取付ボルト１５３を介して取り付け固定されている。   On both side surfaces of the hook locking portion 123, protruding ends 125 protruding in the opposite light transmitting member mounting portion side 127 are formed in two steps along the longitudinal direction. Further, the two light transmitting member attaching portions 127 formed with the hook engaging portion 123 interposed therebetween are members that hold the light transmitting member 127 by being fixed to the light transmitting member 135. The flange 121 is attached and fixed to the lower surface of the suspension box beam 150 suspended from the ceiling 2 (FIG. 8) by the suspension rod 151 via attachment bolts 153.

中間部用取付金具１２０の光透過部材１３５は、端部用取付金具１１０に形成された光透過部材１３０と同等材料からなり、両側から照射された蛍光灯１４０からの光を膜ユニット３０の膜材３２に透過させることができる。また、光透過部材１３５の折曲部１３６よりも図中下方にある部分が内側に向けて折れ曲がった状態にあるため、中間部用取付金具１２０の影が膜面上に映り込まないようにして、均一な明るさの光膜天井１００を提供できる。   The light transmitting member 135 of the intermediate mounting bracket 120 is made of the same material as the light transmitting member 130 formed on the end mounting bracket 110, and the light from the fluorescent lamp 140 irradiated from both sides is used as the film of the film unit 30. The material 32 can be permeated. Further, since the portion below the bent portion 136 of the light transmitting member 135 in the drawing is bent inward, the shadow of the intermediate mounting bracket 120 is not reflected on the film surface. The light film ceiling 100 having uniform brightness can be provided.

なお、本実施形態で用いる膜ユニット３０は、第１の実施形態で説明した膜ユニット３０と同様でよいが、光を透過させることで意匠的な効果を高めるために、光透過率を変えたり、色合い、模様等を施したり、各種の膜材を利用することができる。その場合には、たとえば膜材に透過された蛍光灯の光が一様が各色に変化したり、模様が映し出されたりして、光膜天井に光による美観を生じさせることが可能となる。   The membrane unit 30 used in this embodiment may be the same as the membrane unit 30 described in the first embodiment. However, in order to enhance the design effect by transmitting light, the light transmittance may be changed. , Colors, patterns, etc., and various film materials can be used. In that case, for example, the light of the fluorescent lamp transmitted through the film material is uniformly changed to each color, or a pattern is projected, so that the light film ceiling can be made beautiful by light.

本発明は、上述した実施形態に限定されず、様々な変形が可能である。   The present invention is not limited to the above-described embodiments, and various modifications can be made.

１ 膜天井
２ 天井
３ 壁
４ 凹部
１０，４０，７０，１１０ 端部用取付金具
１１，２１，４１，５１，１１１，１２１ フランジ
１２，２２，４２，５２ 膜材係止部
１３，２３，４３，５３，１１３，１２３ フック係止部
１４，２４，４４，５４ フック挿入溝
１５，２５，４５，５５ 突出端
１６，２６，４６，５６ 折曲部
２０，５０，８０，１２０ 中間部用取付金具
３０ 膜ユニット
３１ フック
３２ 膜材
３３ 高伸縮膜
３４ 引掛部
６０ 着脱用へら
９０ 第１の取付金具用キャップ
９１ 第２の取付金具用キャップ
９２ 第３の取付金具用キャップ
９３ 第４の取付金具用キャップ
１００ 光膜天井
１１７，１２７ 光透過部材取付部
１１８ 固定部
１３０，１３５ 光透過部材
１３１ 折曲部
１４０ 蛍光灯 DESCRIPTION OF SYMBOLS 1 Membrane ceiling 2 Ceiling 3 Wall 4 Recess 10, 40, 70, 110 End fitting 11, 21, 41, 51, 111, 121 Flange 12, 22, 42, 52 Membrane locking part 13, 23, 43 , 53, 113, 123 Hook locking portion 14, 24, 44, 54 Hook insertion groove 15, 25, 45, 55 Protruding end 16, 26, 46, 56 Folded portion 20, 50, 80, 120 Mounting for intermediate portion Metal fitting 30 Membrane unit 31 Hook 32 Membrane material 33 High stretchable membrane 34 Hooking portion 60 Removable spatula 90 First mounting bracket cap 91 Second mounting bracket cap 92 Third mounting bracket cap 93 Fourth mounting bracket Cap 100 Light film ceiling 117, 127 Light transmitting member mounting portion 118 Fixing portion 130, 135 Light transmitting member 131 Bending portion 140

Claims (6)

不燃膜材を張設して天井面を構成した膜天井であって、
前記天井面の近傍の躯体壁面に、前記不燃膜材の張設方向に沿って取り付けられた取付金具に、
不燃膜材と、前記取付金具の延設方向に沿って取り付けられ、前記取付金具の長手方向に沿って係止可能な係止手段と、前記不燃膜材と前記係止手段との間に介装された弾性膜材とを備えた膜ユニットを、前記係止手段を前記取付金具に定着して前記不燃膜材を張設して天井面を構築する際に、前記膜ユニットの前記弾性膜材が、前記取付金具内に収容され、
前記取付金具の下端開放部を、前記膜ユニットを取り付けた後に、キャップで閉塞するようにしたことを特徴とする膜天井。 A membrane ceiling in which a nonflammable membrane material is stretched to form a ceiling surface,
On the mounting wall mounted along the direction in which the incombustible film material is stretched on the wall surface of the casing near the ceiling
An incombustible film material, a locking means attached along the extending direction of the mounting bracket, and capable of being locked along the longitudinal direction of the mounting bracket, and a non-combustible film material and the locking means interposed When the membrane unit having the elastic membrane material mounted thereon is fixed to the mounting bracket and the nonflammable membrane material is stretched to construct a ceiling surface, the elastic membrane of the membrane unit Material is housed in the mounting bracket ;
A membrane ceiling characterized in that a lower end open portion of the mounting bracket is closed with a cap after the membrane unit is attached . 前記取付金具は、内部に前記膜ユニットに取り付けられた係止手段を保持可能な突起部が複数段形成され、前記係止位置の保持位置を変更して前記膜ユニットの不燃膜材の張設時の張力を調整可能にしたことを特徴とする請求項１記載の膜天井。   The mounting bracket has a plurality of protrusions formed therein that can hold the locking means attached to the membrane unit, and the holding position of the locking position is changed to stretch the nonflammable film material of the membrane unit. The membrane ceiling according to claim 1, wherein tension at the time is adjustable. 前記弾性膜材は、前記不燃膜材に接合された高伸縮膜からなる請求項１または請求項２に記載の膜天井。   The membrane ceiling according to claim 1, wherein the elastic membrane material is a highly stretchable membrane joined to the non-combustible membrane material. 前記キャップは、金属製部材で、前記取付金具の一部に係止するとともに、前記不燃膜材の折り曲げ部を下面から覆うフランジ部を有する請求項１に記載の膜天井。 2. The membrane ceiling according to claim 1 , wherein the cap is a metal member and is engaged with a part of the mounting bracket and has a flange portion that covers a bent portion of the non-combustible membrane material from a lower surface. 前記キャップは、難燃性弾性部材で、弾性変形させて前記取付金具内に収容され、前記弾性膜材を下面から覆うようにした請求項１に記載の膜天井。 The membrane ceiling according to claim 1 , wherein the cap is a flame-retardant elastic member, is elastically deformed and accommodated in the mounting bracket, and covers the elastic membrane material from the lower surface. 前記天井面に照明を配置し、前記取付金具の前記不燃膜材が折り曲げられる側の部位を覆う光透過部材を前記取付金具の一部に装着し、前記照明の光を、前記不燃膜材を透過させて、光膜天井を構成した請求項１乃至請求項３のいずれか１項に記載の膜天井。   Lighting is disposed on the ceiling surface, a light transmitting member that covers a portion of the mounting bracket on the side where the noncombustible film material is bent is attached to a part of the mounting bracket, and the light of the illumination is applied to the nonflammable film material. The membrane ceiling according to any one of claims 1 to 3, wherein the membrane ceiling is configured to transmit light.
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