JP5943542B2 - Corner material - Google Patents

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JP5943542B2
JP5943542B2 JP2010259695A JP2010259695A JP5943542B2 JP 5943542 B2 JP5943542 B2 JP 5943542B2 JP 2010259695 A JP2010259695 A JP 2010259695A JP 2010259695 A JP2010259695 A JP 2010259695A JP 5943542 B2 JP5943542 B2 JP 5943542B2
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corner
corner member
overhanging
piece
wall
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JP2011226245A (en
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有治 八面
有治 八面
山本　秀生
秀生 山本
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Eidai Co Ltd
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Eidai Co Ltd
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Description

この発明は、内壁を構成している壁下地材における出隅部に取り付けるコーナー部材に関する。   The present invention relates to a corner member attached to a protruding corner portion of a wall base material constituting an inner wall.

内壁の出隅部を施工する場合は、図９に示すように、まず、石膏ボード等からなる下地ボード５１ａを、その端面を柱５２の角に合わせた状態で、柱５２の一面に固定した後、別の下地ボード５１ｂを、その端面が先にビス止めした下地ボード５１ａの表面と面一になるように、柱５２の隣接する他面に固定し、クロス等の壁仕上材５３を下地ボード５１ａ、５１ｂに貼着することになる。   When constructing the protruding corner of the inner wall, as shown in FIG. 9, first, the base board 51 a made of gypsum board or the like is fixed to one surface of the column 52 with its end face aligned with the corner of the column 52. After that, another base board 51b is fixed to the other surface adjacent to the pillar 52 so that the end surface thereof is flush with the surface of the base board 51a that has been screwed first, and the wall finishing material 53 such as a cloth is used as the base. It sticks to board 51a, 51b.

実用新案登録第３０４６１７６号公報Utility Model Registration No. 3046176

しかしながら、上述したような出隅部の構造では、壁下地の角部を形成している下地ボード５１ａの表面と下地ボード５１ｂの端面とを面一に仕上げようとしても、図１０に示すように、石膏ボード等の切断誤差や下地ボード５１ｂの取付誤差等により、後で固定した下地ボード５１ｂの端面が先に固定した下地ボード５１ａの表面から突出して、段部が生じてしまうことがあり、そのような場合は、下地ボード５１ｂの突出部分を削り取るといった面倒な作業を行わなければならないという問題がある。   However, in the structure of the protruding corner as described above, even if the surface of the base board 51a forming the corner of the wall base and the end surface of the base board 51b are finished to be flush with each other, as shown in FIG. The end surface of the base board 51b fixed later may protrude from the surface of the base board 51a fixed earlier due to cutting errors of the plaster board or the like, or the mounting error of the base board 51b, etc. In such a case, there is a problem that a troublesome work such as scraping off the protruding portion of the base board 51b has to be performed.

そこで、この発明の課題は、下地ボードを精度良く切断、固定しなくても、内壁の出隅部を綺麗に仕上げることができるコーナー部材を提供することにある。   Therefore, an object of the present invention is to provide a corner member that can finish the protruding corner portion of the inner wall neatly without cutting and fixing the base board with high accuracy.

上記の課題を解決するため、請求項１に係る発明は、内壁を構成している壁下地材における出隅部に取り付けるコーナー部材であって、略９０度の角度をなすように相互に連設された一対の張出片と、一方の前記張出片と他方の前記張出片とによって形成される角部の内面側に設けられた補強用のリブとを備え、前記リブは、それぞれの張出片から他方の張出片に向かって延びる一対の突出部によって形成されており、一対の前記張出片を、前記壁下地材を構成している下地ボードに固着し、角部の変形を防止するようになっていることを特徴とするコーナー部材を提供するものである。 In order to solve the above problems, the invention according to claim 1 is a corner member attached to the protruding corner portion of the wall base material constituting the inner wall, and is connected to each other so as to form an angle of approximately 90 degrees. And a reinforcing rib provided on the inner surface side of the corner formed by the one protruding piece and the other protruding piece. It is formed by a pair of projecting portions extending from the overhanging piece toward the other overhanging piece, and the pair of the overhanging pieces are fixed to the base board constituting the wall base material, and the corner portions are deformed. It is intended to provide a corner member characterized by preventing the above .

また、請求項２に係る発明は、請求項１に係る発明のコーナー部材において、前記リブは、一方の前記張出片の張出方向については、他方の前記張出片から、その張出片を固着する前記下地ボードの厚み分までの領域内で、かつ、他方の前記張出片の張出方向については、一方の前記張出片から、その張出片を固着する前記下地ボードの厚み分までの領域内に設けられていることを特徴としている。 According to a second aspect of the present invention, in the corner member of the first aspect of the present invention, the rib is extended from the other protruding piece in the protruding direction of the one protruding piece. In the region up to the thickness of the base board to which the base plate is fixed, and the extension direction of the other extension piece, the thickness of the base board to fix the extension piece from one of the extension pieces It is characterized by being provided in the area up to minutes.

また、請求項３に係る発明は、請求項１または２に係る発明のコーナー部材において、前記角部が円弧状に面取りされていることを特徴としている。 The invention according to claim 3, in the corner member of the invention according to claim 1 or 2, is characterized in that the angle portion is chamfered in a circular arc shape.

以上のように、請求項１に係る発明のコーナー部材は、一対の張出片によって形成される角部の内面側に補強用のリブが設けられているので、柱に固定する下地ボードによって角部を形成する必要がなく、下地ボードを柱に固定する際、双方の下地ボードの端部がコーナー部材の補強部に当接しないように、適当に離反させておけばよいので、施工性がよく、効率よく短時間で内壁の出隅部を綺麗に仕上げることができる。   As described above, the corner member of the invention according to claim 1 is provided with the reinforcing rib on the inner surface side of the corner portion formed by the pair of projecting pieces, so that the corner member is fixed by the base board fixed to the column. There is no need to form a part, and when fixing the base board to the pillar, it is only necessary to separate the ends of both base boards so that they do not come into contact with the reinforcing part of the corner member. Well, you can finish the corner of the inner wall beautifully in a short time.

また、請求項２に係る発明のコーナー部材では、一方の張出片の張出方向については、他方の張出片から、その張出片を固着する下地ボードの厚み分までの領域内で、かつ、他方の張出片の張出方向については、一方の張出片から、その張出片を固着する下地ボードの厚み分までの領域内に補部用のリブが設けられているので、コーナー部材を取り付ける際、補強部が障害になることがなく、コーナー部材を適正な位置に確実に取り付けることができる。   Further, in the corner member of the invention according to claim 2, with respect to the overhang direction of one overhanging piece, in the region from the other overhanging piece to the thickness of the base board to which the overhanging piece is fixed, And about the extension direction of the other overhanging piece, since the rib for the supplementary part is provided in the region from the one overhanging piece to the thickness of the base board to which the overhanging piece is fixed, When attaching the corner member, the reinforcing portion does not become an obstacle, and the corner member can be reliably attached at an appropriate position.

また、請求項３に係る発明のコーナー部材では、その角部が円弧状に面取りされているので、内壁の出隅部に柔らかい印象を与えるために、その出隅部に丸みを持たせる場合であっても、工数を増やすことなく、簡単に施工することができる。   Moreover, in the corner member of the invention according to claim 3, since the corner portion is chamfered in an arc shape, in order to give a soft impression to the protruding corner portion of the inner wall, the protruding corner portion is rounded. Even if there is, it can be easily constructed without increasing man-hours.

この発明に係るコーナー部材の一実施形態を使用した内壁の出隅部を示す横断面図である。It is a cross-sectional view which shows the protruding corner part of the inner wall using one Embodiment of the corner member which concerns on this invention. （ａ）は同上のコーナー部材を外側から視た部分斜視図、（ｂ）は同上のコーナー部材を内側から視た部分斜視図、（ｃ）は同上のコーナー部材を示す端面図である。(A) is the fragmentary perspective view which looked at the same corner member from the outside, (b) is the fragmentary perspective view which looked at the same corner member from the inside, (c) is the end elevation which shows the same corner member. （ａ）、（ｂ）は同上の内壁の出隅部の施工方法を示す工程図である。(A), (b) is process drawing which shows the construction method of the protrusion corner part of the inner wall same as the above. （ａ）、（ｂ）は同上の内壁の出隅部の施工方法を示す工程図である。(A), (b) is process drawing which shows the construction method of the protrusion corner part of the inner wall same as the above. （ａ）〜（ｃ）はコーナー部材の変形例を示す端面図である。(A)-(c) is an end elevation which shows the modification of a corner member. （ａ）〜（ｄ）はコーナー部材の変形例を示す端面図である。(A)-(d) is an end elevation which shows the modification of a corner member. （ａ）〜（ｃ）はコーナー部材の変形例を示す端面図である。(A)-(c) is an end elevation which shows the modification of a corner member. （ａ）、（ｂ）はコーナー部材の変形例を示す端面図である。(A), (b) is an end elevation which shows the modification of a corner member. 従来の内壁の出隅部を示す横断面図である。It is a cross-sectional view which shows the protruding corner part of the conventional inner wall. 従来の内壁の出隅部の問題点を示す横断面図である。It is a cross-sectional view which shows the problem of the protrusion corner part of the conventional inner wall.

以下、実施の形態について図面を参照して説明する。図１は、この発明のコーナー部材１０を使用した内壁の出隅部１を示している。この出隅部１は、同図に示すように、石膏ボード等からなる下地ボード２１、２１が、柱２２の隣接する２面にそれぞれ固定されており、各下地ボード２１、２１における柱２２側の端部表面にコーナー部材１０を固着した状態で、クロス等の壁仕上材２３が下地ボード２１、２１及びコーナー部材１０の表面に貼着されている。   Hereinafter, embodiments will be described with reference to the drawings. FIG. 1 shows a protruding corner portion 1 of an inner wall using a corner member 10 of the present invention. As shown in the figure, the projecting corner portion 1 has base boards 21 and 21 made of gypsum board or the like fixed to two adjacent surfaces of the pillars 22, respectively. A wall finishing material 23 such as a cloth is adhered to the surfaces of the base boards 21 and 21 and the corner member 10 in a state in which the corner member 10 is fixed to the surface of the end portion.

前記コーナー部材１０は、図２（ａ）〜（ｃ）に示すように、略９０度の角度をなすように相互に連設された、厚さ１．０ｍｍ程度の一対の張出片１１、１１と、この張出片１１、１１によって形成される角部を補強するために、各張出片１１、１１の基端部側から、相互に対向するように、斜めに張り出した補強用のリブ１２、１２とを備えており、内壁の出隅部１に柔らかい印象を与えるために、角部を円弧状に面取りすることによって、角部に丸みを持たせてある。なお、張出片１１、１１の先端側は、その厚みが０．１〜０．６ｍｍ程度の薄肉状に形成されている。   As shown in FIGS. 2A to 2C, the corner member 10 includes a pair of projecting pieces 11 having a thickness of about 1.0 mm, which are connected to each other so as to form an angle of about 90 degrees. 11 and the reinforcement formed by projecting diagonally so as to face each other from the base end side of each of the projecting pieces 11, 11 in order to reinforce the corners formed by the projecting pieces 11, 11 Ribs 12 and 12 are provided, and in order to give a soft impression to the protruding corner portion 1 of the inner wall, the corner portion is rounded by chamfering the corner portion in an arc shape. In addition, the front end side of the overhang | projection pieces 11 and 11 is formed in the thin shape whose thickness is about 0.1-0.6 mm.

前記張出片１１、１１は、２０ｍｍ以上の張出長さを有しており、リブ１２の連設部よりも先端側には、その外面に、パテや壁仕上材（クロス）２３の接着強度を高めるために、長手方向に延びる多数の凹条１１ａが形成されていると共に、その内面に両面粘着テープ（図示せず）が予め貼着されている。   The overhanging pieces 11, 11 have an overhanging length of 20 mm or more, and a putty or a wall finishing material (cross) 23 is bonded to the outer surface of the projecting portion of the rib 12 on the tip side. In order to increase the strength, a large number of concave strips 11a extending in the longitudinal direction are formed, and a double-sided pressure-sensitive adhesive tape (not shown) is attached in advance to the inner surface thereof.

前記リブ１２、１２は、図１に示すように、一方の張出片１１の張出方向については、他方の張出片１１から、その張出片１１を固着する下地ボード２１の厚み分までの領域内で、かつ、他方の張出片１１の張出方向については、一方の張出片１１から、その張出片１１を固着する下地ボード２１の厚み分までの領域内に設けられている。   As shown in FIG. 1, the ribs 12, 12 are extended from the other overhanging piece 11 to the thickness of the base board 21 to which the overhanging piece 11 is fixed. And the extension direction of the other overhanging piece 11 is provided in the area from one overhanging piece 11 to the thickness of the base board 21 to which the overhanging piece 11 is fixed. Yes.

以下、この内壁の出隅部１の施工方法について説明する。まず、図３（ａ）に示すように、柱２２の隣接する２面に下地ボード２１、２１をそれぞれ固定することで、壁下地を形成した後、同図（ｂ）に示すように、一対の張出片１１、１１の内面側を下地ボード２１の端部表面に両面テープ（図示せず）によって貼着することで、コーナー部材１０を取り付ける。なお、柱２２に下地ボード２１、２１を固定する際は、コーナー部材１０のリブ１２、１２に当接しないように、下地ボード２１、２１の端部側を相互に離反させた状態で固定する。   Hereinafter, the construction method of the protruding corner portion 1 of the inner wall will be described. First, as shown in FIG. 3A, after the basement boards 21 and 21 are respectively fixed to the two adjacent surfaces of the pillar 22 to form the wall base, a pair of baseboards are formed as shown in FIG. The corner member 10 is attached by sticking the inner surface side of the overhanging pieces 11, 11 to the end surface of the base board 21 with a double-sided tape (not shown). When the base boards 21 and 21 are fixed to the pillars 22, the base boards 21 and 21 are fixed in a state of being separated from each other so as not to contact the ribs 12 and 12 of the corner member 10. .

続いて、図４（ａ）に示すように、コーナー部材１０の一対の張出片１１、１１と下地ボード２１、２１の表面との間に生じた僅かな段差部分をパテＰによって埋めることで、下地慣らしを行った後、同図（ｂ）に示すように、クロス等の壁仕上材２３を下地ボード２１、２１及びコーナー部材１０の表面に貼着すると、内壁の出隅部１が出来上がる。   Subsequently, as shown in FIG. 4A, a slight step portion formed between the pair of projecting pieces 11 and 11 of the corner member 10 and the surface of the base board 21 and 21 is filled with the putty P. After applying the base, the wall finishing material 23 such as a cloth is pasted on the surfaces of the base boards 21 and 21 and the corner member 10 as shown in FIG. .

以上のように、このコーナー部材１０は、一対の張出片１１、１１によって形成される角部の内面側に補強用のリブ１２、１２が設けられているので、柱２２に固定する下地ボード２１、２１によって壁下地の角部を形成する必要がなく、下地ボード２１、２１を柱２２に固定する際、双方の下地ボード２１、２１の端部がコーナー部材１０のリブ１２、１２に当接しないように、適当に離反させておけばよいので、施工性がよく、効率よく短時間で内壁の出隅部１を綺麗に仕上げることができる。   As described above, the corner member 10 is provided with the reinforcing ribs 12 and 12 on the inner surface side of the corner portion formed by the pair of projecting pieces 11 and 11, so that the base board fixed to the column 22 21 and 21 do not need to form corners of the wall base, and when the base boards 21 and 21 are fixed to the pillars 22, the ends of both base boards 21 and 21 contact the ribs 12 and 12 of the corner member 10. Since it should just be separated appropriately so that it may not touch, the workability is good and the inner corner 1 of the inner wall can be finished cleanly efficiently in a short time.

また、このコーナー部材１０では、一方の張出片１１の張出方向については、他方の張出片１１から、その張出片１１を貼着する下地ボード２１の厚み分までの領域内で、かつ、他方の張出片１１の張出方向については、一方の張出片１１から、その張出片１１を貼着する下地ボード２１の厚み分までの領域内に補強用のリブ１２、１２が設けられているので、コーナー部材１０を取り付ける際、リブ１２、１２が障害になることがなく、コーナー部材１０を適正な位置に確実に取り付けることができる。   Moreover, in this corner member 10, about the overhang | projection direction of one overhanging piece 11, in the area | region from the other overhanging piece 11 to the thickness of the base board 21 which sticks the overhanging piece 11, And about the extension direction of the other overhanging piece 11, the ribs 12 and 12 for reinforcement are provided in the area | region from the one overhanging piece 11 to the thickness of the base board 21 which sticks the overhanging piece 11. FIG. Therefore, when the corner member 10 is attached, the ribs 12 and 12 are not obstructed, and the corner member 10 can be reliably attached at an appropriate position.

また、このコーナー部材１０では、角部を円弧状に面取りすることによって、角部に丸みを持たせているので、内壁の出隅部１に柔らかい印象を与えるために、その出隅部１に丸みを持たせる場合であっても、工数を増やすことなく、簡単に施工することができる。   Moreover, in this corner member 10, since the corner is rounded by chamfering the corner in an arc shape, in order to give a soft impression to the protruding corner 1 of the inner wall, the protruding corner 1 Even when it is rounded, it can be easily constructed without increasing the number of steps.

なお、上述した実施形態では、補強用のリブ１２、１２が各張出片１１、１１の基端部側から斜めに張り出したコーナー部材１０を使用しているが、これに限定されるものではなく、例えば、図５（ａ）、（ｂ）に示すコーナー部材１０Ａ、１０Ｂのように、ループ状のリブ１２ａ、１２ｂを採用してもよく、同図（ｃ）に示すコーナー部材１０Ｃのように、リブ１２ａと共に、角部とリブ１２ａとを連結するリブ１２ｃを設けてもよい。   In the above-described embodiment, the reinforcing ribs 12 and 12 use the corner member 10 in which the protruding pieces 11 and 11 protrude obliquely from the base end side, but the present invention is not limited to this. Alternatively, for example, loop-shaped ribs 12a and 12b may be employed as in the corner members 10A and 10B shown in FIGS. 5A and 5B, and the corner member 10C shown in FIG. In addition to the ribs 12a, ribs 12c that connect the corners and the ribs 12a may be provided.

また、図６（ａ）、（ｂ）に示すコーナー部材１０Ｄ、１０Ｅのように、それぞれの角部から４５度の角度で突出するリブ１２ｄ、１２ｅを採用してもよく、同図（ｃ）に示すコーナー部材１０Ｆのように、一対の張出片１１、１１を連結する鉤型のリブ１２ｆや、同図（ｄ）に示すコーナー部材１０Ｇのように、このリブ１２ｆと共に、角部とリブ１２ｆとを連結するリブ１２ｇを設けてもよい。   Further, ribs 12d and 12e protruding at 45 degrees from the respective corners may be employed as in the corner members 10D and 10E shown in FIGS. 6A and 6B. FIG. A corner portion and a rib together with the rib 12f like the corner member 10F shown in FIG. 5 and a rib-shaped rib 12f connecting the pair of overhanging pieces 11, 11 and the corner member 10G shown in FIG. You may provide the rib 12g which connects 12f.

また、図７（ａ）〜（ｃ）に示すコーナー部材１０Ｈ、１０Ｉ、１０Ｊのように、角部を肉厚にすることによって補強用のリブ１２ｈ、１２ｉ、１２ｊを形成しておくと、これらのコーナー部材１０Ｈ、１０Ｉ、１０Ｊによって形成される出隅部の強度がさらに向上し、損傷を受けたり、変形したりしにくくなる。   Further, when the reinforcing ribs 12h, 12i, and 12j are formed by thickening the corner portions as in the corner members 10H, 10I, and 10J shown in FIGS. The strength of the corners formed by the corner members 10H, 10I, and 10J is further improved, making it difficult to be damaged or deformed.

また、図８（ａ）に示すコーナー部材１０Ｋのように、上述したコーナー部材１０Ｆの鉤型のリブ１２ｆの先端角部を面取りしたような形状のリブ１２ｋを採用してもよく、例えば、同図（ｂ）に示すコーナー部材１０Ｋａのように、コーナー部材１０Ａ〜１０Ｊについても、長手方向に延びる多数の凹条１１ａを外表面の全面に形成しておくと、パテや壁仕上材（クロス）２３の接着強度をさらに高めることができる。   Further, as in the corner member 10K shown in FIG. 8A, a rib 12k having a shape in which the tip corner portion of the saddle-shaped rib 12f of the corner member 10F described above is chamfered may be employed. Like corner member 10Ka shown in figure (b), corner members 10A to 10J can also be putty or wall finish (cross) by forming a number of recesses 11a extending in the longitudinal direction on the entire outer surface. 23 can further increase the adhesive strength.

ただし、リブ１２ａ〜１２ｋについても、上述したリブ１２の場合と同様に、一方の張出片１１の張出方向については、他方の張出片１１から、その張出片１１を固着する下地ボード２１の厚み分までの領域内で、かつ、他方の張出片１１の張出方向については、一方の張出片１１から、その張出片１１を固着する下地ボード２１の厚み分までの領域内に設けておかなければならないことは言うまでもない。   However, as for the ribs 12a to 12k, as in the case of the rib 12 described above, with respect to the extending direction of the one overhanging piece 11, the base board for fixing the overhanging piece 11 from the other overhanging piece 11 Within the area up to the thickness of 21 and the extension direction of the other overhanging piece 11, the area from one overhanging piece 11 to the thickness of the base board 21 to which the overhanging piece 11 is fixed. Needless to say, it must be kept inside.

また、上述した各実施形態では、一対の張出片１１、１１によって形成される角部を円弧状に面取りすることによって、角部に丸みを持たせているが、これに限定されるものではなく、内壁の出隅部に丸みを持たせたくない場合は、一対の張出片１１、１１によって形成される角部を尖らせておいてもよいことはいうまでもない。   Moreover, in each embodiment mentioned above, although the corner | angular part formed by a pair of overhanging pieces 11 and 11 is chamfered in circular arc shape, the corner | angular part is rounded, However, It is not limited to this Needless to say, if it is not desired to round the protruding corner portion of the inner wall, the corner portion formed by the pair of protruding pieces 11 and 11 may be sharpened.

本発明のコーナー部材は、内壁の出隅部を施工する際に利用することができる。   The corner member of this invention can be utilized when constructing the protruding corner of the inner wall.

１ 内壁の出隅部
１０、１０Ａ、１０Ｂ、１０Ｃ、１０Ｄ、１０Ｅ コーナー部材
１０Ｆ、１０Ｇ、１０Ｈ、１０Ｉ、１０Ｊ、１０Ｋ、１０Ｋａ コーナー部材
１１ 張出片
１１ａ 凹条
１２、１２ａ、１２ｂ、１２ｃ、１２ｄ、１２ｅ リブ
１２ｆ、１２ｇ、１２ｈ、１２ｉ、１２ｊ、１２ｋ リブ
２１ 下地ボード
２２ 柱
２３ 壁仕上材
Ｐ パテ DESCRIPTION OF SYMBOLS 1 Outer corner of inner wall 10, 10A, 10B, 10C, 10D, 10E Corner member 10F, 10G, 10H, 10I, 10J, 10K, 10Ka Corner member 11 Overhang piece 11a Recessed strip 12, 12a, 12b, 12c, 12d , 12e rib 12f, 12g, 12h, 12i, 12j, 12k rib 21 base board 22 pillar 23 wall finishing material P putty

Claims (3)

内壁を構成している壁下地材における出隅部に取り付けるコーナー部材であって、
略９０度の角度をなすように相互に連設された一対の張出片と、
一方の前記張出片と他方の前記張出片とによって形成される角部の内面側に設けられた補強用のリブとを備え、
前記リブは、それぞれの張出片から他方の張出片に向かって延びる一対の突出部によって形成されており、
一対の前記張出片を、前記壁下地材を構成している下地ボードに固着し、角部の変形を防止するようになっていることを特徴とするコーナー部材。 A corner member to be attached to the protruding corner of the wall base material constituting the inner wall,
A pair of projecting pieces connected to each other so as to form an angle of approximately 90 degrees;
A reinforcing rib provided on the inner surface side of the corner formed by the one overhanging piece and the other overhanging piece,
The rib is formed by a pair of protrusions extending from each overhanging piece toward the other overhanging piece,
A corner member characterized in that a pair of the overhanging pieces are fixed to a base board constituting the wall base material to prevent deformation of a corner portion. 前記リブは、一方の前記張出片の張出方向については、他方の前記張出片から、その張出片を固着する前記下地ボードの厚み分までの領域内で、かつ、他方の前記張出片の張出方向については、一方の前記張出片から、その張出片を固着する前記下地ボードの厚み分までの領域内に設けられている請求項１に記載のコーナー部材。 With respect to the extending direction of one of the overhanging pieces, the rib is in a region from the other overhanging piece to the thickness of the base board to which the overhanging piece is fixed, and the other overhanging piece. 2. The corner member according to claim 1, wherein the projecting direction of the projecting piece is provided in a region from one of the projecting pieces to a thickness of the base board to which the projecting piece is fixed. 前記角部が円弧状に面取りされている請求項１または２に記載のコーナー部材。 Corner member according to claim 1 or 2 wherein the angle portion is chamfered in a circular arc shape.
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