JP6910189B2 - curtain wall - Google Patents

curtain wall Download PDF

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JP6910189B2
JP6910189B2 JP2017085905A JP2017085905A JP6910189B2 JP 6910189 B2 JP6910189 B2 JP 6910189B2 JP 2017085905 A JP2017085905 A JP 2017085905A JP 2017085905 A JP2017085905 A JP 2017085905A JP 6910189 B2 JP6910189 B2 JP 6910189B2
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panel unit
frame
glass
weight
self
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JP2018184740A (en
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辰雄 安田
辰雄 安田
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Sankyo Tateyama Inc
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Sankyo Tateyama Inc
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Description

本発明は、カーテンウォールに関する。 The present invention relates to a curtain wall.

従来より、パネルユニットを上下左右に並べて配置したカーテンウォールが知られている。かかるカーテンウォールは、室外側から見てパネルユニットの枠が目立ち、意匠性が良くない問題があった。特に、パネルユニットの横幅が大きいと、自重による撓みを防ぐために横枠の見付寸法を大きくしなければならず、上記の問題が顕著になる。 Conventionally, a curtain wall in which panel units are arranged vertically and horizontally has been known. Such a curtain wall has a problem that the frame of the panel unit is conspicuous when viewed from the outdoor side, and the design is not good. In particular, when the width of the panel unit is large, the found dimension of the horizontal frame must be increased in order to prevent bending due to its own weight, and the above problem becomes remarkable.

特開２００２−２８５６７０号公報JP-A-2002-285670

本発明は以上に述べた実情に鑑み、パネルユニットの枠が目立たず、すっきりとした外観意匠にできるカーテンウォールの提供を目的とする。 In view of the above-mentioned circumstances, an object of the present invention is to provide a curtain wall in which the frame of the panel unit is inconspicuous and a neat appearance design can be obtained.

上記の課題を達成するために請求項１記載の発明によるカーテンウォールは、上下方向及び左右方向に並べて配置したパネルユニットと、室内側に設けられてパネルユニットを支持する支持部材と、パネルユニットの自重を支持部材に伝える自重伝達部材とを備え、パネルユニットは、ガラスと上下枠と左右の縦枠とガラスを受けるセッティングブロックを有し、上下枠と左右の縦枠をガラスの室内側背面で枠組みしてあり、セッティングブロックは、下枠の長手方向両端部に設けてあり、自重伝達部材は、下枠に設けてあり、セッティングブロックよりも長手方向中央部側に位置していることを特徴とする。 In order to achieve the above problems, the curtain wall according to the invention according to claim 1 is composed of a panel unit arranged side by side in the vertical direction and the horizontal direction, a support member provided on the indoor side to support the panel unit, and a panel unit. The panel unit is equipped with a self-weight transmitting member that transmits its own weight to the support member, and the panel unit has a glass, an upper and lower frame, left and right vertical frames, and a setting block that receives the glass. It is framed, and the setting blocks are provided at both ends in the longitudinal direction of the lower frame, and the self-weight transmitting members are provided in the lower frame and are located closer to the central portion in the longitudinal direction than the setting block. And.

請求項１記載の発明によるカーテンウォールは、ガラスを受けるセッティングブロックを下枠の長手方向両端部に配置し、パネルユニットの自重を支持部材に伝える自重伝達部材をセッティングブロックよりも長手方向中央部側に配置したことで、枠の見付寸法を小さくしても枠の撓みを防ぐことができるので、パネルユニットの枠が目立たず、すっきりとした外観意匠にできる。 In the curtain wall according to the invention according to claim 1, the setting blocks that receive the glass are arranged at both ends in the longitudinal direction of the lower frame, and the self-weight transmitting member that transmits the self-weight of the panel unit to the support member is located on the central portion side in the longitudinal direction with respect to the setting block. By arranging the frame in the above direction, it is possible to prevent the frame from bending even if the found size of the frame is reduced, so that the frame of the panel unit is inconspicuous and a neat appearance design can be obtained.

図３のＡ−Ａ断面図である。FIG. 3 is a cross-sectional view taken along the line AA of FIG. 図３のＢ−Ｂ断面図である。FIG. 3 is a cross-sectional view taken along the line BB of FIG. 本発明のカーテンウォールの一実施形態を示す室外側正面図である。It is an outdoor front view which shows one Embodiment of the curtain wall of this invention. 図３のＣ−Ｃ断面図である。FIG. 3 is a cross-sectional view taken along the line CC of FIG. パネルユニットの支持状態を模式的に示す正面図である。It is a front view which shows typically the support state of a panel unit.

以下、本発明の実施の形態を図面に基づいて説明する。図１〜４は、本発明のカーテンウォールの一実施形態を示している。本カーテンウォールは、図３に示すように、上下寸法に対して左右寸法が大きい横長長方形の複数のパネルユニット１，１，…を、上下方向及び左右方向に並べて配置して構成される。本カーテンウォールは、図４に示すように、建物の一階分がパネルユニット１を上下方向に４つ並べて構成してある。本カーテンウォールは、パネルユニット１，１，…の室内側にパネルユニット１，１，…を支持する支持部材２が設けてある。支持部材２は、図２，４に示すように、建物の躯体８に固定して鉛直に設けた柱部４０と、柱部４０の室外側面にボルト１６で取付けた柱部側連結金具１５と、柱部側連結金具１５の横壁１７上にボルト・ナット１９で取付けたパネルユニット側連結金具１８とを有している。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 to 4 show an embodiment of the curtain wall of the present invention. As shown in FIG. 3, the curtain wall is configured by arranging a plurality of horizontally long rectangular panel units 1, 1, ... As shown in FIG. 4, the curtain wall is composed of four panel units 1 arranged vertically on the first floor of the building. The curtain wall is provided with a support member 2 for supporting the panel units 1, 1, ... On the indoor side of the panel units 1, 1, ... As shown in FIGS. The panel unit side connecting metal fitting 18 attached with bolts and nuts 19 is provided on the side wall 17 of the pillar side connecting metal fitting 15.

パネルユニット１は、図１〜３に示すように、アルミ形材よりなる上枠５と下枠６と左右の縦枠３２，３２とを枠組みした枠に、ガラス４を取付けて構成してある。
上枠５は、図２に示すように、室外側に突条よりなるガラス端面対向部９と見付壁１０を有し、ガラス端面対向部９の室外側端部内周側面に室外側ガスケット１１が取付けてあり、見付壁１０の室外側面に室内側ガスケット１２が取付けてあり、室外側ガスケット１１と室内側ガスケット１２とでガラス４の上端部を挟持している。ガラス端面対向部９の室内側には、上向き突条１３を有している。上枠５の室内側には、中空部２１と、中空部２１の上壁から連続して室内側にのびる延出部１４を有している。 As shown in FIGS. 1 to 3, the panel unit 1 is configured by attaching glass 4 to a frame in which an upper frame 5 and a lower frame 6 made of an aluminum profile and left and right vertical frames 32 and 32 are framed. ..
As shown in FIG. 2, the upper frame 5 has a glass end face facing portion 9 and a finding wall 10 made of ridges on the outdoor side, and an outdoor gasket 11 on the inner peripheral side surface of the outdoor end portion of the glass end face facing portion 9. Is attached, and the indoor side gasket 12 is attached to the outdoor side surface of the finding wall 10, and the upper end portion of the glass 4 is sandwiched between the outdoor side gasket 11 and the indoor side gasket 12. An upward ridge 13 is provided on the indoor side of the glass end face facing portion 9. The indoor side of the upper frame 5 has a hollow portion 21 and an extending portion 14 that extends continuously from the upper wall of the hollow portion 21 to the indoor side.

支持部材２のパネルユニット側連結金具１８は、図１，２に示すように、室外側に上枠５の長手方向に沿ってのびる矩形断面の棒状の支持部２０を有しており、支持部２０は左右に隣接するパネルユニット１，１の上枠５の延出部１４の下方にまたがってのびており、支持部２０に上枠５の中空部２１をボルト・ナット２２で固定している。 As shown in FIGS. 1 and 2, the panel unit side connecting metal fitting 18 of the support member 2 has a rod-shaped support portion 20 having a rectangular cross section extending along the longitudinal direction of the upper frame 5 on the outdoor side, and is a support portion. 20 extends below the extending portion 14 of the upper frame 5 of the panel units 1 and 1 adjacent to the left and right, and the hollow portion 21 of the upper frame 5 is fixed to the support portion 20 with bolts and nuts 22.

下枠６は、図２に示すように、室外側に突条よりなるガラス端面対向部２３と見付壁２４を有し、ガラス端面対向部２３の室外側端部内周側面に室外側ガスケット１１が取付けてあり、見付壁２４の室外側面に室内側ガスケット１２が取付けてあり、室外側ガスケット１１と室内側ガスケット１２とでガラス４の下端部を挟持している。下枠６の長手方向両端部のガラス端面対向部２３上には、図１，２に示すように、ガラス４を受けるセッティングブロック７が設けてある。ガラス端面対向部２３には、図２に示すように、排水孔２５が設けてあり、ガラス４の室内側に浸入した雨水や結露水は、排水孔２５より室外に排水される。ガラス端面対向部２３の下面にはレインバリアガスケット２６が設けてあり、レインバリアガスケット２６の先端部が下段のパネルユニット１の上枠５上面に当接している。見付壁２４の室内側には、下向きに開口した溝部２７が設けてあり、当該溝部２７に下段のパネルユニット１の上枠５の上向き突条１３を上下方向から嵌合し、上下のパネルユニット１，１を連結している。上枠５の上向き突条１３と下枠６の溝部２７の室内側の垂下片２８とには、図示しない通気孔が設けてあり、上段のパネルユニット１の下枠６と下段のパネルユニット１の上枠５との間を通って室内に外気を導入する外気導入経路２９が設けてある。 As shown in FIG. 2, the lower frame 6 has a glass end face facing portion 23 and a finding wall 24 made of ridges on the outdoor side, and an outdoor gasket 11 on the inner peripheral side surface of the outdoor end portion of the glass end face facing portion 23. Is attached, and the indoor side gasket 12 is attached to the outdoor side surface of the finding wall 24, and the lower end portion of the glass 4 is sandwiched between the outdoor side gasket 11 and the indoor side gasket 12. As shown in FIGS. 1 and 2, setting blocks 7 for receiving the glass 4 are provided on the glass end face facing portions 23 at both ends in the longitudinal direction of the lower frame 6. As shown in FIG. 2, the glass end face facing portion 23 is provided with a drain hole 25, and rainwater or dew condensation water that has entered the indoor side of the glass 4 is drained to the outside through the drain hole 25. A rain barrier gasket 26 is provided on the lower surface of the glass end surface facing portion 23, and the tip end portion of the rain barrier gasket 26 is in contact with the upper surface of the upper frame 5 of the lower panel unit 1. A groove 27 that opens downward is provided on the indoor side of the finding wall 24, and the upward ridge 13 of the upper frame 5 of the lower panel unit 1 is fitted into the groove 27 from the vertical direction to fit the upper and lower panels. Units 1 and 1 are connected. The upward ridge 13 of the upper frame 5 and the hanging piece 28 on the indoor side of the groove 27 of the lower frame 6 are provided with ventilation holes (not shown), and the lower frame 6 of the upper panel unit 1 and the lower panel unit 1 are provided. An outside air introduction path 29 for introducing outside air into the room through the upper frame 5 is provided.

下枠６は、図２に示すように、見付壁２４の上部より室内側に延出する延出部３０を有しており、延出部３０の下面に金属製の裏板３１が取付けてあり、ボルトよりなる自重伝達部材３が上方から延出部３０及び裏板３１を貫通して設けてある。自重伝達部材３は、下枠６の長手方向の両側の２箇所に設けてあり、図１に示すように、セッティングブロック７よりも下枠６の長手方向中央部側に位置している。自重伝達部材３は、図２に示すように、下段のパネルユニット１の上枠５の延出部１４を貫通し、ねじ部３ａの先端がパネルユニット側連結金具１８の支持部２０の上面に当接している。これによりパネルユニット１の自重が支持部材２に伝達される。自重伝達部材３は、室内側から工具で回転させることで、ねじ部３ａの裏板３１からの突出長さを調節できる。 As shown in FIG. 2, the lower frame 6 has an extension portion 30 extending from the upper portion of the finding wall 24 to the indoor side, and a metal back plate 31 is attached to the lower surface of the extension portion 30. A self-weight transmitting member 3 made of bolts is provided so as to penetrate the extending portion 30 and the back plate 31 from above. The self-weight transmitting members 3 are provided at two locations on both sides of the lower frame 6 in the longitudinal direction, and are located closer to the central portion of the lower frame 6 in the longitudinal direction than the setting block 7 as shown in FIG. As shown in FIG. 2, the self-weight transmitting member 3 penetrates the extending portion 14 of the upper frame 5 of the lower panel unit 1, and the tip of the screw portion 3a is on the upper surface of the supporting portion 20 of the panel unit side connecting metal fitting 18. It is in contact. As a result, the weight of the panel unit 1 is transmitted to the support member 2. The self-weight transmitting member 3 can adjust the protruding length of the screw portion 3a from the back plate 31 by rotating the self-weight transmitting member 3 from the indoor side with a tool.

図５は、上述のパネルユニット１の支持状態を模式的に示している。パネルユニット１は、下枠６の両端部に配置したセッティングブロック７，７を介してガラス４が下枠６に支持されており、そのままでは下枠６は、ガラス４の自重により図中に二点鎖線で示すように弓なりに撓む。ところが本パネルユニット１は、下枠６のセッティングブロック７，７よりも長手方向中央部側に自重伝達部材３，３が設けてあり、自重伝達部材３，３よりパネルユニット１の自重が支持部材２の支持部２０に伝達され、その反力Ｆにより下枠６は自重伝達部材３，３の位置で上向きに押し上げられ、自重により撓む方向とは逆向き撓ませる方向に力が働くことで、自重による下枠６の撓みを防ぐことができる。これにより本パネルユニット１は、横枠（上枠５，下枠６）の見付寸法を小さくでき、見付寸法を小さくしても撓みを抑えられる。 FIG. 5 schematically shows the support state of the panel unit 1 described above. In the panel unit 1, the glass 4 is supported by the lower frame 6 via the setting blocks 7 and 7 arranged at both ends of the lower frame 6, and the lower frame 6 is supported by the lower frame 6 as it is due to the weight of the glass 4 in the drawing. It bends like a bow as shown by the dotted line. However, the panel unit 1 is provided with the self-weight transmitting members 3 and 3 on the central side in the longitudinal direction from the setting blocks 7 and 7 of the lower frame 6, and the self-weight of the panel unit 1 is supported by the self-weight transmitting members 3 and 3. It is transmitted to the support portion 20 of 2, and the reaction force F pushes the lower frame 6 upward at the positions of the self-weight transmitting members 3 and 3, and the force acts in the direction of bending in the direction opposite to the direction of bending by the self-weight. , It is possible to prevent the lower frame 6 from bending due to its own weight. As a result, the panel unit 1 can reduce the found dimensions of the horizontal frames (upper frame 5, lower frame 6), and even if the found dimensions are reduced, bending can be suppressed.

縦枠３２は、図１に示すように、見付壁３３と見込壁３４とを有するＬ形断面の部材となっており、ガラス４の室内側背面に配置してある。そのため、室外側から見て縦枠３２はガラス４で隠れている。見付壁３３の室外側面にはガスケット３５が取付けてあり、ガスケット３５によりガラス４の側端部を室内側で保持している。すなわちガラス４は、上端部と下端部は室外側ガスケット１１と室内側ガスケット１２で挟持しているが、側端部は室内側のガスケット３５で押さえているだけになっている。
左右のパネルユニット１，１の縦枠３２，３２の室内側には、溝形のつなぎ材３６が縦枠３２の全長にわたって設けてあり、つなぎ材３６により縦枠３２同士をつないでいる。つなぎ材３６の室内側には押しボルト３７が取付けてあり、押しボルト３７の先端を支持部材２の柱部４０に押し付けてある。ガラス４に風圧が作用したときには、先に述べた連結金具１５，１８に加え、前記押しボルト３７を介して支持部材２に力が伝達され、風圧に耐えうる構造になっている。
縦枠３２の見込壁３４の外周側面にはレインバリアガスケット３８が長手方向に沿って設けてあり、隣接する縦枠３２のレインバリアガスケット３８同士が当接している。つなぎ材３６の室外側面には、ウインドバリアガスケット３９が長手方向に沿って設けてあり、縦枠３２，３２の見込壁３４の室内側端部がウインドバリアガスケット３９に当接している。このようにレインバリアガスケット３８、ウインドバリアガスケット３９を設けることで、左右に隣接するパネルユニット１，１の縦枠３２，３２間からの風雨の浸入を防ぐことができる。 As shown in FIG. 1, the vertical frame 32 is a member having an L-shaped cross section having a finding wall 33 and a prospecting wall 34, and is arranged on the back surface of the glass 4 on the indoor side. Therefore, the vertical frame 32 is hidden by the glass 4 when viewed from the outdoor side. A gasket 35 is attached to the outdoor surface of the finding wall 33, and the gasket 35 holds the side end portion of the glass 4 on the indoor side. That is, the upper end and the lower end of the glass 4 are sandwiched between the outdoor gasket 11 and the indoor gasket 12, but the side end is only held by the indoor gasket 35.
Groove-shaped connecting members 36 are provided on the indoor side of the vertical frames 32 and 32 of the left and right panel units 1 and 1 over the entire length of the vertical frames 32, and the vertical frames 32 are connected to each other by the connecting members 36. A push bolt 37 is attached to the indoor side of the connecting member 36, and the tip of the push bolt 37 is pressed against the pillar portion 40 of the support member 2. When wind pressure acts on the glass 4, in addition to the connecting metal fittings 15 and 18 described above, the force is transmitted to the support member 2 via the push bolt 37, and the structure is such that it can withstand the wind pressure.
Rain barrier gaskets 38 are provided along the longitudinal direction on the outer peripheral side surface of the prospective wall 34 of the vertical frame 32, and the rain barrier gaskets 38 of the adjacent vertical frames 32 are in contact with each other. A wind barrier gasket 39 is provided along the longitudinal direction on the outdoor surface of the connecting member 36, and the indoor end of the prospect wall 34 of the vertical frames 32 and 32 is in contact with the wind barrier gasket 39. By providing the rain barrier gasket 38 and the wind barrier gasket 39 in this way, it is possible to prevent wind and rain from entering between the vertical frames 32 and 32 of the panel units 1 and 1 adjacent to the left and right.

次に、本カーテンウォールの施工手順を説明する。まず、予め組み立てたパネルユニット１，１，…を建物の内部に搬入する。次に、建物の内部側からフォークリフト等を使用してパネルユニット１を一枚ずつ持ち上げ、所定の位置に配置して連結金具１５，１８により支持部材２の柱部４０に連結して取付ける。パネルユニット１の取付けは、下段のものから順次行い、下枠６の溝部２７に下段のパネルユニット１の上枠５の上向き突条１３を嵌合すると共に、下枠６に設けた自重伝達部材３のねじ部３ａの先端を下段のパネルユニット１のパネルユニット側連結部材１８の支持部２０に当接し、自重を支持部材２に負担させた上で、上枠５を連結金具１５，１８で支持部材２の柱部４０に連結する。その後、左右に隣接するパネルユニット１，１の縦枠３２，３２にまたがるようにつなぎ材３６を室内側から取付ける。 Next, the construction procedure of this curtain wall will be described. First, the pre-assembled panel units 1, 1, ... Are carried into the building. Next, the panel units 1 are lifted one by one from the inside of the building using a forklift or the like, arranged at predetermined positions, and connected to the pillar portion 40 of the support member 2 by the connecting metal fittings 15 and 18. The panel unit 1 is attached in order from the lower one, and the upward ridge 13 of the upper frame 5 of the lower panel unit 1 is fitted into the groove 27 of the lower frame 6, and the self-weight transmission member provided in the lower frame 6 is fitted. The tip of the screw portion 3a of 3 is brought into contact with the support portion 20 of the panel unit side connecting member 18 of the lower panel unit 1, and the weight of the support member 2 is borne by the support member 2, and then the upper frame 5 is attached by the connecting metal fittings 15 and 18. It is connected to the pillar portion 40 of the support member 2. After that, the connecting member 36 is attached from the indoor side so as to straddle the vertical frames 32, 32 of the panel units 1 and 1 adjacent to the left and right.

以上に述べたように本カーテンウォールは、ガラス４を受けるセッティングブロック７，７を下枠６の長手方向両端部に配置し、パネルユニット１の自重を支持部材２に伝える自重伝達部材３，３をセッティングブロック７，７よりも下枠６の長手方向中央部側に配置したことで、枠（上枠５及び下枠６）の見付寸法を小さくしても枠の撓みを防ぐことができるので、パネルユニット１の枠が目立たず、すっきりとした外観意匠にできる。
パネルユニット１が、上下寸法に対して左右寸法が大きいものの場合、ガラスの自重により横枠（特に下枠６）が撓みやすいが、上記のようにガラス４の自重をセッティングブロック７，７よりも長手方向中央部側に配置した自重伝達部材３，３により支持部材２に伝達する構造としたことで、撓みやすい横長のパネルユニット１であっても、横枠の撓みの問題を解消できる。
本カーテンウォールは、上下枠５，６と縦枠３２，３２をガラス４の室内側背面で枠組みしてあり、ガラス４の端面に対向するガラス端面対向部９，２３を上下枠５，６にのみ有しており、ガラス端面対向部９，２３は突条であるため、室外側から見た上下枠５，６の見付寸法を最小限にすることができ、これによりパネルユニット１の枠が目立たず、よりすっきりとした意匠にできる。 As described above, in this curtain wall, setting blocks 7 and 7 for receiving the glass 4 are arranged at both ends in the longitudinal direction of the lower frame 6, and the weight transmitting members 3 and 3 for transmitting the weight of the panel unit 1 to the support member 2. Is arranged closer to the central portion of the lower frame 6 in the longitudinal direction than the setting blocks 7 and 7, so that the frame can be prevented from bending even if the found dimensions of the frames (upper frame 5 and lower frame 6) are reduced. Therefore, the frame of the panel unit 1 is inconspicuous, and a neat appearance design can be obtained.
When the panel unit 1 has a large left-right dimension with respect to the vertical dimension, the horizontal frame (particularly the lower frame 6) tends to bend due to the own weight of the glass. By adopting a structure in which the weight transmission members 3 and 3 arranged on the central portion side in the longitudinal direction transmit the weight to the support member 2, the problem of bending of the horizontal frame can be solved even in the horizontally long panel unit 1 which is easily bent.
In this curtain wall, the upper and lower frames 5 and 6 and the vertical frames 32 and 32 are framed by the back surface of the glass 4 on the indoor side, and the glass end face facing portions 9 and 23 facing the end face of the glass 4 are formed into the upper and lower frames 5 and 6. Since the glass end face facing portions 9 and 23 are ridges, the found dimensions of the upper and lower frames 5 and 6 seen from the outdoor side can be minimized, whereby the frame of the panel unit 1 can be minimized. Can be made into a cleaner design without being noticeable.

本発明は以上に述べた実施形態に限定されない。パネルユニットの大きさ、形状、枠の構成等は、適宜変更することができる。支持部材の構造は問わない。自重伝達部材の形態は、適宜変更することができる。自重伝達部材の位置は、セッティングブロックよりも長手方向中央部側にあればよいが、枠の撓みを最も小さくできる位置に配置するのが好ましい。 The present invention is not limited to the embodiments described above. The size, shape, frame configuration, etc. of the panel unit can be changed as appropriate. The structure of the support member does not matter. The form of the self-weight transmitting member can be changed as appropriate. The position of the self-weight transmitting member may be closer to the central portion in the longitudinal direction than the setting block, but it is preferable to arrange the member at a position where the bending of the frame can be minimized.

１ パネルユニット
２ 支持部材
３ 自重伝達部材
４ ガラス
５ 上枠
６ 下枠
７ セッティングブロック 1 Panel unit 2 Support member 3 Self-weight transmission member 4 Glass 5 Upper frame 6 Lower frame 7 Setting block

Claims (1)

上下方向及び左右方向に並べて配置したパネルユニットと、室内側に設けられてパネルユニットを支持する支持部材と、パネルユニットの自重を支持部材に伝える自重伝達部材とを備え、パネルユニットは、ガラスと上下枠と左右の縦枠とガラスを受けるセッティングブロックを有し、上下枠と左右の縦枠をガラスの室内側背面で枠組みしてあり、セッティングブロックは、下枠の長手方向両端部に設けてあり、自重伝達部材は、下枠に設けてあり、セッティングブロックよりも長手方向中央部側に位置していることを特徴とするカーテンウォール。 The panel unit is provided with a panel unit arranged side by side in the vertical direction and the horizontal direction, a support member provided on the indoor side to support the panel unit, and a self-weight transmission member for transmitting the self-weight of the panel unit to the support member. It has an upper and lower frame, left and right vertical frames, and a setting block that receives glass, and the upper and lower frames and left and right vertical frames are framed by the back of the glass on the indoor side. A curtain wall characterized in that the self-weight transmitting member is provided in the lower frame and is located on the central portion side in the longitudinal direction with respect to the setting block.
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