JP2017166296A - Louver and method for fixing the same - Google Patents

Louver and method for fixing the same Download PDF

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JP2017166296A
JP2017166296A JP2016055444A JP2016055444A JP2017166296A JP 2017166296 A JP2017166296 A JP 2017166296A JP 2016055444 A JP2016055444 A JP 2016055444A JP 2016055444 A JP2016055444 A JP 2016055444A JP 2017166296 A JP2017166296 A JP 2017166296A
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fixing screw
louver
fixing
slide groove
axial direction
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JP6640622B2 (en
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智成 山家
Tomonari Yamaga
智成 山家
松下　智行
Satoyuki Matsushita
智行 松下
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HONDA KINZOKU KOGYO KK
Toppan Inc
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HONDA KINZOKU KOGYO KK
Toppan Printing Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a louver of which falling prevention performance is further improved and a method for fixing the louver.SOLUTION: On an installation surface 10a of a body portion 10 of a louver 1 opposing to a fixation object 3, a slide groove 11 with which a fixation screw 21 having a shaft portion 21B protruded from the installation surface 10a is movably engaged is formed in the longitudinal direction. On inner walls 11b, 11c of the slide groove 11 in the axial direction of the fixation screw 21, at least one rib portion 12 folded by a head portion 21A of the fixation screw 21 that moves in the axial direction when the fixation screw 21 is fastened to the fixation object 3 and is fitted between the inner walls 11b, 11c and the head portion 21A is provided in the longitudinal direction.SELECTED DRAWING: Figure 1

Description

本発明は、建築物に設置されるルーバー及びその固定方法に関する。   The present invention relates to a louver installed in a building and a fixing method thereof.

従来より、目隠しや遮光、通風としての機能に加え、意匠性を目的として、建築物の梁下や壁面などに固定ねじ（ボルト）等を用いて固定されるルーバーが知られている（例えば、特許文献１）。
このようなルーバーが設置される建築物の中でも、特に、不特定多数の利用客がいる駅舎等では、車両運行時の風圧や振動が絶えずルーバーに影響しているため、ルーバーが脱落することによって生じる事故を未然に防ぐために、ルーバーのより一層の強固な固定が求められている。 Conventionally, a louver that is fixed to a building under a beam or a wall surface using a fixing screw (bolt) or the like for the purpose of designability in addition to functions such as blindfolding, shading, and ventilation (for example, Patent Document 1).
Among buildings where such louvers are installed, especially in station buildings where there are an unspecified number of users, wind pressure and vibration during vehicle operation constantly affect the louvers. In order to prevent accidents that occur, there is a need for a more robust louver.

特開２００３−３４２９１８号公報JP 2003-342918 A

しかしながら、現在のルーバーの設置態様は、ルーバーにワイヤー固定などをして、仮に外れたとしても完全に脱落はしない対策が講じられていることが多い。すなわち、あくまでも二次的な脱落対策としての対応がなされているのが現状であり、ルーバー自体に脱落防止機能が設けられてその安全性を抜本的に改善したルーバーを開発する余地があった。
本発明は、このような点に鑑みてなされたものであり、脱落防止性能がより向上したルーバー及びその固定方法を提供することを目的とする。 However, current louvers are often installed with measures such that the louvers are secured with wires, etc., so that they will not fall out even if they are removed. In other words, the current situation is that countermeasures are taken as a secondary dropout measure, and there is room for developing a louver that is provided with a dropout prevention function in the louver itself and drastically improves its safety.
This invention is made | formed in view of such a point, and it aims at providing the louver which the fall prevention performance improved more, and its fixing method.

上記課題を解決するために、本発明の一態様としてのルーバーは、固定対象に対向する本体部の設置面に、該設置面から軸部を突出させた固定ねじを移動可能に係合するスライド溝が長手方向に沿って形成され、
前記固定ねじの軸方向に沿う前記スライド溝の内壁には、前記固定対象に対して前記固定ねじを締結することにより前記軸方向に移動する前記固定ねじの頭部により折り曲げられ、前記固定ねじの軸方向に沿う前記スライド溝の内壁と前記頭部との間に嵌合するリブ部が前記長手方向に沿って少なくとも１条設けられている。 In order to solve the above-described problems, a louver according to an aspect of the present invention is a slide in which a fixing screw having a shaft portion protruding from an installation surface is movably engaged with an installation surface of a main body portion facing a fixing target. Grooves are formed along the longitudinal direction;
The inner wall of the slide groove along the axial direction of the fixing screw is bent by the head of the fixing screw that moves in the axial direction by fastening the fixing screw to the fixing object, At least one rib portion that is fitted between the inner wall of the slide groove along the axial direction and the head portion is provided along the longitudinal direction.

また、上記課題を解決するために、本発明の一態様としてのルーバーの固定方法は、軸部を突出させた固定ねじを移動可能に係合するスライド溝が長手方向に沿って形成されたルーバーの本体部の設置面を固定対象に対向させて、
前記固定対象に対して前記固定ねじを螺合させてねじ込むことによって、前記固定ねじの軸方向に沿う前記スライド溝の内壁に少なくとも１条設けられたリブ部を前記固定ねじの頭部が折り曲げ、折り曲げられた前記リブ部を、前記固定ねじの軸方向に沿う前記スライド溝の内壁と前記頭部との間に嵌合させる。 In order to solve the above-mentioned problem, a louver fixing method according to one aspect of the present invention is a louver in which a slide groove is formed along a longitudinal direction to movably engage a fixing screw having a shaft portion protruding. With the installation surface of the main body part facing the fixed object,
By screwing the fixing screw into the fixing object, the head of the fixing screw bends at least one rib portion provided on the inner wall of the slide groove along the axial direction of the fixing screw. The bent rib portion is fitted between the inner wall of the slide groove along the axial direction of the fixing screw and the head portion.

本発明の一態様によれば、脱落防止性能がより向上したルーバー及びその固定方法を提供することができる。   According to one embodiment of the present invention, it is possible to provide a louver and a method for fixing the louver that have improved drop-off prevention performance.

（ａ）は、ルーバーの一実施形態における構成を示す長手方向に直交する方向に沿う断面図であり、（ｂ）は、ルーバーの固定方法を説明する概略図である。(A) is sectional drawing which follows the direction orthogonal to the longitudinal direction which shows the structure in one Embodiment of louver, (b) is the schematic explaining the fixing method of a louver. （ａ），（ｂ）は、ルーバーの固定方法を説明する概略図である。(A), (b) is the schematic explaining the fixing method of a louver.

以下に、ルーバー及びその固定方法の実施形態について図面を参照して説明する。なお、以下の説明では、ルーバーの「長手方向」と、この「長手方向」と直交する「幅方向」と、「長手方向」に直交し、ルーバーに固定ねじを取り付けた際の固定ねじの軸方向に沿う「軸方向」とを基準にして説明する。   Hereinafter, embodiments of a louver and a fixing method thereof will be described with reference to the drawings. In the following description, the “longitudinal direction” of the louver, the “width direction” orthogonal to the “longitudinal direction”, and the axis of the fixing screw when the fixing screw is attached to the louver, orthogonal to the “longitudinal direction”. A description will be given based on the “axial direction” along the direction.

＜ルーバーの構成＞
図１に示すように、本実施形態のルーバー１は、長尺状の本体部１０の設置面１０ａにスライド溝１１が長手方向に形成されてなる。本体部１０の材料としては、加工性の高い金属や合金が好ましく、軽量の金属や合金がより好ましい。このような材料としては、例えばアルミニウムやアルミニウム合金が挙げられる。
スライド溝１１は、本体部１０の長手方向に延びて筒状とされた収容部と、この収容部に連通し、設置面１０ａに長手方向に沿って開口した開口部１１ａとを有する。上記収容部は、設置面１０ａの裏側の内壁（開口部１１ａの周囲の内壁）と、軸方向に沿って幅方向に離間する内壁１１ｂ，１１ｃと、開口部１１ａに対向する内壁１１ｄとから構成される。開口部１１ａの幅方向の寸法は、内壁１１ｂ，１１ｃの幅方向の間隔よりも小である。 <Louvre configuration>
As shown in FIG. 1, the louver 1 of the present embodiment has a slide groove 11 formed in the longitudinal direction on an installation surface 10 a of a long main body 10. As a material of the main body 10, a metal or alloy having high workability is preferable, and a lightweight metal or alloy is more preferable. Examples of such a material include aluminum and an aluminum alloy.
The slide groove 11 has a housing portion that extends in the longitudinal direction of the main body portion 10 and has a cylindrical shape, and an opening portion 11a that communicates with the housing portion and opens on the installation surface 10a along the longitudinal direction. The housing portion includes an inner wall on the back side of the installation surface 10a (an inner wall around the opening portion 11a), inner walls 11b and 11c that are spaced apart in the width direction along the axial direction, and an inner wall 11d that faces the opening portion 11a. Is done. The dimension in the width direction of the opening 11a is smaller than the distance in the width direction of the inner walls 11b and 11c.

＜固定ねじ＞
固定ねじ２１は、頭部２１Ａと軸部２１Ｂとから構成される。頭部２１Ａと軸部２１Ｂとの接続部を肩部２１Ｃと呼ぶ。固定ねじ２１としては、ビットのすべりが少なく、磨耗や破損が少なく高トルクを掛けられる６角ボルトが好ましく、４角ボルトが更に好ましい。
頭部２１Ａは、その幅方向の寸法が、開口部１１ａの幅方向の寸法より大きく、内壁１１ｂ，１１ｃの幅方向の間隔よりも小さく設定される。また、軸部２１Ｂは、その幅方向の寸法が、開口部１１ａの幅方向の寸法より小さく設定される。すなわち、頭部２１Ａをスライド溝１１の収容部に収容すると共に、軸部２１Ｂを開口部１１ａから突出させるように固定ねじ２１の肩部２１Ｃを設置面１０ａの裏側の内壁及び開口部１１ａに係合させることで、スライド溝１１内を固定ねじ２１が長手方向に移動可能に設置される。 <Fixing screw>
The fixing screw 21 includes a head portion 21A and a shaft portion 21B. A connecting portion between the head portion 21A and the shaft portion 21B is referred to as a shoulder portion 21C. The fixing screw 21 is preferably a hexagonal bolt that can be applied with a high torque with little slipping and wear and breakage, and more preferably a square bolt.
The width of the head 21A is set to be larger than the width of the opening 11a and smaller than the distance between the inner walls 11b and 11c in the width direction. Further, the shaft portion 21B is set such that the dimension in the width direction is smaller than the dimension in the width direction of the opening 11a. That is, the head portion 21A is accommodated in the accommodating portion of the slide groove 11, and the shoulder portion 21C of the fixing screw 21 is engaged with the inner wall on the back side of the installation surface 10a and the opening portion 11a so that the shaft portion 21B protrudes from the opening portion 11a. As a result, the fixing screw 21 is installed in the slide groove 11 so as to be movable in the longitudinal direction.

＜リブ部＞
軸方向に沿う内壁１１ｂ，１１ｃの少なくとも何れか一方には、リブ部１２が長手方向に沿って少なくとも１条設けられている。このリブ部１２は本体部１０に対して容易に離脱することなく折り曲げられる耐久性を有していればどのような材料でもよいが、製造コストの面から、本体部１０と同様の金属や合金が好ましく、本体部１０と一体に成型されることがより好ましい。本実施形態では、内壁１１ｂ，１１ｃのそれぞれに、リブ部１２，１２が軸方向の一をほぼ同じにして対向するように設けることとした。
リブ部１２の幅方向の寸法は、収容部に固定ねじ２１（頭部２１Ａ）が収容された際の隙間より大きく設定されるが、固定ねじ２１による締結を妨げる寸法でなければよい。ここで、「固定ねじ２１による締結を妨げる寸法」とは、固定ねじ２１による締結によって、内壁１１ｂ，１１ｃと頭部２１Ａとの間に変形したリブ部１２，１２が位置する寸法であり、設置面１０ａの裏側の内壁と頭部２１Ａとで挟まれてしまうような寸法ではない。 <Rib part>
At least one rib portion 12 is provided along the longitudinal direction on at least one of the inner walls 11b and 11c along the axial direction. The rib portion 12 may be made of any material as long as it has a durability that can be bent without being easily detached from the main body portion 10. However, from the viewpoint of manufacturing cost, the same metal or alloy as the main body portion 10 is used. It is preferable that it is molded integrally with the main body 10. In the present embodiment, the rib portions 12 and 12 are provided on the inner walls 11b and 11c so as to face each other with the axial direction substantially the same.
The dimension of the rib part 12 in the width direction is set to be larger than the gap when the fixing screw 21 (head 21 </ b> A) is accommodated in the accommodating part. Here, the “dimension that prevents fastening by the fixing screw 21” is a dimension in which the rib portions 12 and 12 deformed between the inner walls 11b and 11c and the head portion 21A by the fastening by the fixing screw 21 are located. The dimension is not such that it is sandwiched between the inner wall on the back side of the surface 10a and the head 21A.

一方、ルーバー１の設置面１０ａが対向する固定対象３には、設置面１０ａから軸部２１Ｂを突出させた固定ねじ２１を固定する態様が備えられている。例えば、図１（ａ）に示すように、固定対象３としてのＬ字アングル金具にねじ穴３１が設けられ、このねじ穴３１を貫通した軸部２１Ｂを締結するナット（例えば、６角ナット）２２が設けられる。固定ねじ２１とナット２２とで固定部材２を構成する。   On the other hand, the fixing object 3 that the installation surface 10a of the louver 1 faces is provided with a mode of fixing the fixing screw 21 with the shaft portion 21B protruding from the installation surface 10a. For example, as shown to Fig.1 (a), the screw hole 31 is provided in the L-shaped angle metal fitting as the fixation object 3, and the nut (for example, hexagon nut) which fastens the shaft part 21B which penetrated this screw hole 31 22 is provided. The fixing member 2 is constituted by the fixing screw 21 and the nut 22.

（ルーバーの固定方法）
本実施形態のルーバーの固定方法は、まず、固定ねじ２１の軸部２１Ｂを突出させたルーバー１の本体部１０の設置面１０ａを固定対象３に対向させる。固定ねじ２１の頭部２１Ａがリブ部１２は、収容部内において、リブ部１２と内壁１１ｄとの間に配設される。
そして、図１（ｂ）に示すように、固定対象３のねじ穴３１を介してナット２２に対して固定ねじ２１を螺合させてねじ込む。このとき、固定ねじ２１をねじ込むことによって頭部２１Ａがナット２２が位置する向き（図１（ｂ）の矢印の向き）に移動するため、頭部２１Ａがリブ部１２を矢印方向に押し込み、折り曲げる。
折り曲げられたリブ部１２は、さらなる固定ねじ２１のねじ込みによって、図２（ａ）に示すように、軸方向に沿う内壁１１ｂ，１１ｃと頭部２１Ａとの間に嵌合される。 (How to fix the louver)
In the louver fixing method of the present embodiment, first, the installation surface 10a of the main body portion 10 of the louver 1 from which the shaft portion 21B of the fixing screw 21 protrudes is opposed to the fixing object 3. The rib portion 12 of the head portion 21A of the fixing screw 21 is disposed between the rib portion 12 and the inner wall 11d in the housing portion.
Then, as shown in FIG. 1B, the fixing screw 21 is screwed into the nut 22 through the screw hole 31 of the fixing object 3 and screwed. At this time, when the fixing screw 21 is screwed, the head 21A moves in the direction in which the nut 22 is positioned (the direction of the arrow in FIG. 1B), so the head 21A pushes the rib portion 12 in the arrow direction and bends it. .
The bent rib portion 12 is fitted between the inner walls 11b and 11c along the axial direction and the head portion 21A as shown in FIG.

なお、リブ部１２は、内壁１１ｂ，１１ｃの長手方向に突条体として設けられているので、固定ねじ２１によって折り曲げられていないリブ部１２の部分は、そのまま折り曲げられてない状態である。したがって、固定ねじ２１を基準として長手方向双方に延びるリブ部１２の曲げられていない部分が、固定ねじ２１を長手方向に移勤することを妨げるストッパーになっている。
ここで、図２（ｂ）に示すように、固定ねじ２１を締結した後（固定ねじ２１が図１（ｂ）の矢印の向きに移動しきって、リブ部１２で収容部にも固定された状態の後）、開口部１１ａに対向する内壁１１ｄと頭部２１Ａとの間に、隙間充填部材１３を設置してもよい。この隙間充填部材１３は、収容部が本体部１０の長手方向に筒状をなしていることから、内壁１１ｄと頭部２１Ａとの間に、長手方向から充填することが好ましい。この隙間充填剤１３を設けることによって、固定ねじ２１をナット２２と反対側へ動かないようにすることができる。隙間充填剤１３の材料は、内壁１１ｄと頭部２１Ａとの軸方向の寸法を著しく変化させるものでなければよく、金属や合金が好ましい。 In addition, since the rib part 12 is provided as a protrusion in the longitudinal direction of the inner walls 11b and 11c, the part of the rib part 12 that is not bent by the fixing screw 21 is not bent as it is. Therefore, the unbent portion of the rib portion 12 extending in both the longitudinal directions with respect to the fixing screw 21 serves as a stopper that prevents the fixing screw 21 from moving in the longitudinal direction.
Here, as shown in FIG. 2B, after the fixing screw 21 is fastened (the fixing screw 21 has completely moved in the direction of the arrow in FIG. After the state), the gap filling member 13 may be installed between the inner wall 11d facing the opening 11a and the head 21A. The gap filling member 13 is preferably filled from the longitudinal direction between the inner wall 11d and the head 21A because the accommodating portion has a cylindrical shape in the longitudinal direction of the main body portion 10. By providing the gap filler 13, the fixing screw 21 can be prevented from moving to the side opposite to the nut 22. The material of the gap filler 13 may be any material that does not significantly change the axial dimension between the inner wall 11d and the head 21A, and is preferably a metal or an alloy.

このように、収容部内で固定ねじ２１の頭部２１Ａが、リブ部１２によって嵌合することで、固定ねじ２１が軸方向において強固に固定されるので、脱落防止性能がより向上したルーバー及びその固定方法を提供することができる。
なお、以上説明した実施形態は、本発明の技術的思想を具体化するための構成を例示するものであって、本発明の技術的思想は、構成部品の材質、形状、構造、配置等を上記のものに特定するものでない。本発明の技術的思想は、特許請求の範囲に記載された請求項が規定する技術的範囲内において、種々の変更を加えることができる。
また、実施形態中の図面は模式的なものであり、厚みと平面寸法との関係、各層の厚みの比率等は現実のものとは異なることに留意すべきである。したがって、具体的な厚みや寸法は上記説明を参酌して判断すべきものである。 Thus, since the fixing screw 21 is firmly fixed in the axial direction by fitting the head portion 21A of the fixing screw 21 with the rib portion 12 in the accommodating portion, the louver with improved fall-off prevention performance and its A fixing method can be provided.
The embodiment described above exemplifies a configuration for embodying the technical idea of the present invention, and the technical idea of the present invention is based on the material, shape, structure, arrangement, etc. of the component parts. It is not specific to the above. The technical idea of the present invention can be variously modified within the technical scope defined by the claims described in the claims.
In addition, it should be noted that the drawings in the embodiments are schematic, and the relationship between the thickness and the planar dimensions, the ratio of the thickness of each layer, and the like are different from the actual ones. Therefore, specific thicknesses and dimensions should be determined in consideration of the above description.

以上説明したルーバー及びその固定方法は、スライド溝に遊嵌される固定ねじよって固定される部材に広く応用することができ、屋内外の使用を問わず、また、ルーバーにも限られない。   The above-described louver and its fixing method can be widely applied to members fixed by a fixing screw loosely fitted in the slide groove, regardless of whether it is used indoors or outdoors, and is not limited to louvers.

１ ルーバー
１０ 本体部
１０ａ 設置面
１１ スライド溝
１１ａ 開口部
１１ｂ （固定ねじの軸方向に沿う）スライド溝の内壁
１１ｃ （固定ねじの軸方向に沿う）スライド溝の内壁
１１ｄ （固定ねじの軸方向側の）スライド溝の内壁
１２ リブ部
１３ 隙間充填部材
２ 固定部材
２１ 固定ねじ
２１Ａ 頭部
２１Ｂ 軸部
２１Ｃ 肩部
２２ ナット
３ 固定対象
３１ ねじ穴 DESCRIPTION OF SYMBOLS 1 Louver 10 Main body part 10a Installation surface 11 Slide groove 11a Opening part 11b Inner wall 11c of slide groove (along the axial direction of a fixing screw) Inner wall 11d of slide groove (along the axial direction of a fixing screw) (Axial direction side of fixing screw) A) Slide groove inner wall 12 Rib portion 13 Gap filling member 2 Fixing member 21 Fixing screw 21A Head portion 21B Shaft portion 21C Shoulder portion 22 Nut 3 Fixing target 31 Screw hole

Claims (6)

固定対象に対向する本体部の設置面に、該設置面から軸部を突出させた固定ねじを移動可能に係合するスライド溝が長手方向に沿って形成され、
前記固定ねじの軸方向に沿う前記スライド溝の内壁には、前記固定対象に対して前記固定ねじを締結することにより前記軸方向に移動する前記固定ねじの頭部により折り曲げられ、前記固定ねじの軸方向に沿う前記スライド溝の内壁と前記頭部との間に嵌合するリブ部が前記長手方向に沿って少なくとも１条設けられたことを特徴とするルーバー。 A slide groove is formed along the longitudinal direction to movably engage a fixing screw having a shaft portion protruding from the installation surface on the installation surface of the main body portion facing the fixing target,
The inner wall of the slide groove along the axial direction of the fixing screw is bent by the head of the fixing screw that moves in the axial direction by fastening the fixing screw to the fixing object, A louver characterized in that at least one rib portion fitted between the inner wall of the slide groove along the axial direction and the head portion is provided along the longitudinal direction. 前記本体部がアルミニウム製である請求項１に記載のルーバー。   The louver according to claim 1, wherein the main body is made of aluminum. 前記固定ねじが６角ボルト又は４角ボルトである請求項１に記載のルーバー。   The louver according to claim 1, wherein the fixing screw is a hexagonal bolt or a square bolt. 前記固定ねじの軸方向側の前記スライド溝の内壁と、前記頭部との間に隙間充填部材が設けられた請求項１〜３の何れか一項に記載のルーバー。   The louver according to any one of claims 1 to 3, wherein a gap filling member is provided between an inner wall of the slide groove on the axial direction side of the fixing screw and the head. 軸部を突出させた固定ねじを移動可能に係合するスライド溝が長手方向に沿って形成されたルーバーの本体部の設置面を固定対象に対向させて、
前記固定対象に対して前記固定ねじを螺合させてねじ込むことによって、前記固定ねじの軸方向に沿う前記スライド溝の内壁に少なくとも１条設けられたリブ部を前記固定ねじの頭部が折り曲げ、折り曲げられた前記リブ部を、前記固定ねじの軸方向に沿う前記スライド溝の内壁と前記頭部との間に嵌合させることを特徴とするルーバーの固定方法。 The installation surface of the main body portion of the louver in which the slide groove that movably engages the fixing screw that protrudes the shaft portion is formed along the longitudinal direction is opposed to the fixing target,
By screwing the fixing screw into the fixing object, the head of the fixing screw bends at least one rib portion provided on the inner wall of the slide groove along the axial direction of the fixing screw. A method of fixing a louver, wherein the bent rib portion is fitted between an inner wall of the slide groove along the axial direction of the fixing screw and the head portion. 前記固定ねじの軸方向側の前記スライド溝の内壁と、前記頭部との間に隙間充填部材を設ける請求項５に記載のルーバーの固定方法。   The louver fixing method according to claim 5, wherein a gap filling member is provided between an inner wall of the slide groove on the axial direction side of the fixing screw and the head.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311321A (en) * 1997-05-12 1998-11-24 Nippon Light Metal Co Ltd Dislocation preventing structure for bolt
JP3196138B2 (en) * 1998-03-02 2001-08-06 日鐵建材工業株式会社 A scaffolding and sound absorption system on the underside of the girder on elevated roads
JP3106181U (en) * 2004-06-25 2004-12-16 田中金属株式会社 Drainers in metal blinds for outdoor installation
JP2012031972A (en) * 2010-08-02 2012-02-16 Kobe Steel Ltd Structural member with fastening member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10311321A (en) * 1997-05-12 1998-11-24 Nippon Light Metal Co Ltd Dislocation preventing structure for bolt
JP3196138B2 (en) * 1998-03-02 2001-08-06 日鐵建材工業株式会社 A scaffolding and sound absorption system on the underside of the girder on elevated roads
JP3106181U (en) * 2004-06-25 2004-12-16 田中金属株式会社 Drainers in metal blinds for outdoor installation
JP2012031972A (en) * 2010-08-02 2012-02-16 Kobe Steel Ltd Structural member with fastening member

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