JP5010273B2 - Building board - Google Patents

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JP5010273B2
JP5010273B2 JP2006355897A JP2006355897A JP5010273B2 JP 5010273 B2 JP5010273 B2 JP 5010273B2 JP 2006355897 A JP2006355897 A JP 2006355897A JP 2006355897 A JP2006355897 A JP 2006355897A JP 5010273 B2 JP5010273 B2 JP 5010273B2
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building board
convex
height
adjacent
reference height
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JP2008163675A (en
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智之 中井
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KMEW Co Ltd
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Kubota Matsushitadenko Exterior Works Ltd
KMEW Co Ltd
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Description

本発明は、建物の外壁材等として用いられる建築板に関するものである。   The present invention relates to a building board used as an outer wall material of a building.

従来より、図９に示すように、凸部１と凹部３とを有する建築板Ａを上下に隣接して配設し、外壁等を形成することが行われているが、デザインの多様化のニーズに応えるために、図１０（ａ）に示すように、高さの異なる複数種の凸部１、２と凹部３を基板４の表面にランダムに設けて凹凸柄を有する建築板Ａを形成することが行われている（例えば、特許文献１参照）。このような建築板Ａはその複数枚を縦横に隣接させながら連続して並べて施工し、外壁等を形成しているが、施工後には壁面全体でのデザインの一体感が要求される。このように建築板Ａの表面に凹凸柄がある場合にはデザインの一体感を得るために、上下に隣接する建築板Ａ、Ａの接合部分で複数の高さの凸部１、２と凹部３が入り交じることがある。この場合、従来から行われている一般的な接合部分のデザインでは、図１０（ｂ）に示すように、上下に隣接する建築板Ａ、Ａの接合部分において、下側の建築板Ａの凸部２が上側の建築板Ａの凹部３よりも壁面前方側に突出し、縦方向（垂直方向）の上方から壁面を伝ってくる雨水等を受ける形状になり、雨水等が溜まって防水性等の品質が低下するという問題があった。また、図１０（ｃ）に示すように、上下に隣接する建築板Ａ、Ａの接合部分において、上側の建築板Ａの凸部２が下側の建築板Ａの凹部３よりも壁面前方側に突出し、他の接合部分に比べて太陽光等による陰影が濃く目立つようになったりし、凹凸柄の一体感や連続感が損なわれて外観が低下するという問題があった。   Conventionally, as shown in FIG. 9, a building board A having a convex portion 1 and a concave portion 3 is disposed adjacent to the top and bottom to form an outer wall or the like. In order to meet the needs, as shown in FIG. 10 (a), a plurality of kinds of convex portions 1, 2 and concave portions 3 having different heights are randomly provided on the surface of the substrate 4 to form a building board A having an uneven pattern. (For example, refer to Patent Document 1). Such a building board A is constructed by arranging a plurality of such boards in a row while adjoining each other vertically and horizontally to form an outer wall or the like, but after construction, a sense of unity of the design of the entire wall surface is required. Thus, in the case where there is an uneven pattern on the surface of the building board A, in order to obtain a sense of unity of the design, a plurality of heights of convex parts 1, 2 and concave parts at the joint part of the building boards A, A adjacent vertically 3 may come and go. In this case, as shown in FIG. 10 (b), in the conventional design of the joint portion that has been conventionally performed, in the joint portion of the building boards A and A adjacent to each other in the vertical direction, the convexity of the lower building board A is projected. The portion 2 protrudes to the front side of the wall surface from the concave portion 3 of the upper building board A, and is shaped to receive rainwater etc. traveling along the wall surface from above in the vertical direction (vertical direction). There was a problem that quality deteriorated. Moreover, as shown in FIG.10 (c), in the junction part of the building boards A and A adjacent up and down, the convex part 2 of the upper building board A is a wall surface front side rather than the recessed part 3 of the lower building board A. There is a problem that the shadows due to sunlight or the like become deeper and more conspicuous than other joints, and the sense of unity and continuity of the concavo-convex pattern is impaired and the appearance is lowered.

図１１（ａ）〜（ｃ）、図１２（ａ）〜（ｃ）、図１３（ａ）〜（ｃ）は上記の建築板Ａ、Ａを上下に隣接させた場合の概略の側面図を示し、図１１（ｄ）〜（ｆ）、図１２（ｄ）〜（ｆ）、図１３（ｄ）〜（ｆ）は上記の建築板Ａ、Ａを上下に隣接させた場合の概略の断面図を示す。図１１（ａ）（ｄ）は上側の建築板Ａの凹部３と下側の建築板Ａの凹部３とが隣接する場合を示し、図１１（ｂ）（ｅ）は上側の建築板Ａの凹部３と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図１１（ｃ）（ｆ）は上側の建築板Ａの凹部３と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。   11 (a) to (c), FIGS. 12 (a) to (c), and FIGS. 13 (a) to (c) are schematic side views when the above-described building boards A and A are vertically adjacent to each other. 11 (d) to (f), FIGS. 12 (d) to (f), and FIGS. 13 (d) to (f) are schematic cross sections in the case where the building boards A and A are vertically adjacent to each other. The figure is shown. 11A and 11D show a case where the concave portion 3 of the upper building board A and the concave portion 3 of the lower building board A are adjacent to each other, and FIGS. The case where the recessed part 3 and the convex part 1 with the lowest height of the lower building board A adjoin is shown, FIG.11 (c) (f) is the recessed part 3 of the upper building board A, and the lower building board A The case where the convex part 2 with the highest height is adjacent is shown.

図１２（ａ）（ｄ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの凹部３とが隣接する場合を示し、図１２（ｂ）（ｅ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図１２（ｃ）（ｆ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。   FIGS. 12 (a) and 12 (d) show the case where the convex part 1 with the lowest height of the upper building board A and the concave part 3 of the lower building board A are adjacent to each other, and FIGS. The case where the convex part 1 with the lowest height of the upper building board A and the convex part 1 with the lowest height of the lower building board A are adjacent to each other is shown, and FIGS. The case where the convex part 1 with the lowest height of the board A and the convex part 2 with the highest height of the lower building board A are adjacent to each other is shown.

図１３（ａ）（ｄ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの凹部３とが隣接する場合を示し、図１３（ｂ）（ｅ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図１３（ｃ）（ｆ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。
特開２００３−０１３５７８号公報 FIGS. 13 (a) and 13 (d) show the case where the highest convex part 2 of the upper building board A and the concave part 3 of the lower building board A are adjacent to each other, and FIGS. FIG. 13C and FIG. 13F show the case where the convex part 2 having the highest height of the upper building board A and the convex part 1 having the lowest height of the lower building board A are adjacent to each other. The case where the convex part 2 with the highest height of the board A and the convex part 2 with the highest height of the lower building board A are adjacent to each other is shown.
JP 2003-013578 A

本発明は上記の点に鑑みてなされたものであり、外観及び品質の低下を防止することができる建築板を提供することを目的とするものである。   This invention is made | formed in view of said point, and it aims at providing the building board which can prevent the fall of an external appearance and quality.

本発明の請求項１に係る建築板Ａは、高さの異なる複数種の凸部１、２と凹部３とを基板４の表面にランダムに形成し、基板４の端部の表面を高さの最も低い凸部１と凹部３との間に位置する基準高さ面５として形成し、基準高さ面５に隣接する高さの最も低い凸部１から基準高さ面５に向かって下り傾斜面６を形成すると共に基準高さ面５に隣接する凹部３から基準高さ面５に向かって上り傾斜面７を形成して成ることを特徴とするものである。   In the building board A according to claim 1 of the present invention, a plurality of kinds of convex portions 1 and 2 and concave portions 3 having different heights are randomly formed on the surface of the substrate 4, and the surface of the end portion of the substrate 4 has a height. Formed as a reference height surface 5 located between the lowest convex portion 1 and the concave portion 3, and descends from the lowest convex portion 1 adjacent to the reference height surface 5 toward the reference height surface 5. An inclined surface 6 is formed, and an upward inclined surface 7 is formed from the concave portion 3 adjacent to the reference height surface 5 toward the reference height surface 5.

本発明の請求項２に係る建築板Ａは、請求項１において、基準高さ面５が凸部１、２間あるいは凸部１、２と凹部３との間に形成される目地溝８の底面と同じ高さに形成して成ることを特徴とするものである。   The building board A according to claim 2 of the present invention is the building board A according to claim 1, wherein the reference height surface 5 is formed of the joint groove 8 formed between the convex portions 1 and 2 or between the convex portions 1 and 2 and the concave portion 3. It is characterized by being formed at the same height as the bottom surface.

本発明の請求項３に係る建築板Ａは、請求項１又は２において、基準高さ面５を基板４の上端部と下端部の両方に形成して成ることを特徴とするものである。   The building board A according to claim 3 of the present invention is characterized in that, in claim 1 or 2, the reference height surface 5 is formed on both the upper end portion and the lower end portion of the substrate 4.

請求項１の発明では、高さの最も低い凸部１、下り傾斜面６、基準高さ面５、上り傾斜面７、凹部３の順で高さが徐々に変化するため、隣接する凸部１、２や凹部３との間で凹凸柄の一体感や連続感が損なわれないようにすることができ、また、雨水等の伝い水が表面に溜まりにくくなって、外観や品質の低下を防止することができるものである。   In the first aspect of the present invention, since the height gradually changes in the order of the convex portion 1 having the lowest height, the downward inclined surface 6, the reference height surface 5, the upward inclined surface 7, and the concave portion 3, the adjacent convex portions It is possible to prevent the sense of unity and continuity of the concave / convex pattern from being damaged between the first and second and the concave portions 3, and it is difficult for water such as rainwater to collect on the surface, which reduces the appearance and quality. It can be prevented.

請求項２の発明では、基準高さ面５と目地溝８とを区別しにくくなって、凹凸柄の一体感や連続感がさらに向上し、外観を高めることができるものである。   In the invention of claim 2, it becomes difficult to distinguish between the reference height surface 5 and the joint groove 8, so that the sense of unity and continuity of the concavo-convex pattern can be further improved and the appearance can be enhanced.

請求項３の発明では、上下に隣接する凸部１、２や凹部３との間で凹凸柄の一体感や連続感が損なわれないようにすることができ、また、雨水等の伝い水が表面に溜まりにくくなって、外観や品質の低下を防止することができるものである。   In invention of Claim 3, it can be made not to impair the sense of unity and continuity of the concave / convex pattern between the convex portions 1, 2 and the concave portion 3 adjacent to each other in the vertical direction, It is difficult to accumulate on the surface, and deterioration of appearance and quality can be prevented.

以下、本発明を実施するための最良の形態を説明する。   Hereinafter, the best mode for carrying out the present invention will be described.

本発明の建築板Ａは、図２に示すように、窯業系材料や木質系材料を用いて板状に形成される基板４の表面に高さ（建築板Ａの厚み方向おける寸法）の異なる二数種の凸部１、２と凹部３とを設けて形成されている。凸部１、２と凹部３とはランダムに配置されている。すなわち、最も高い寸法の凸部２の周囲には、同じ高さの凸部２やそれよりも低い凸部１あるいは凹部３が配置されている。また、最も低い寸法の凸部１の周囲には、同じ高さの凸部１やそれよりも高い凸部２あるいは凹部３が配置されている。さらに、凹部３の周囲には、同じ深さの凹部３やそれよりも高い凸部１、２が配置されている。   As shown in FIG. 2, the building board A of the present invention has different heights (dimensions in the thickness direction of the building board A) on the surface of the substrate 4 formed into a plate shape using a ceramic material or a woody material. Two kinds of convex portions 1 and 2 and a concave portion 3 are provided. The convex portions 1 and 2 and the concave portion 3 are randomly arranged. That is, the convex portion 2 having the same height and the lower convex portion 1 or the concave portion 3 are arranged around the convex portion 2 having the highest dimension. Further, a convex portion 1 having the same height and a convex portion 2 or a concave portion 3 higher than that are disposed around the convex portion 1 having the lowest dimension. Further, around the recess 3, the recess 3 having the same depth and the protrusions 1 and 2 higher than the recess 3 are arranged.

凸部１、２及び凹部３はいずれも横長に形成されるものであって、図３、４に示すように、上下（縦方向）及び左右（横方向）に隣り合う凸部１、２や凹部３の間には目地溝８が形成されている。目地溝８は一定の幅寸法と深さ寸法を有するものであるが、その深さ寸法は凹部３よりも浅く形成されている。つまり、目地溝８の底面は凹部３の底面よりも高い位置に形成されており、且つ目地溝８の底面は最も低い凸部１の表面よりも低い位置に形成されている。従って、目地溝８の底面は凹部３の底面よりも建築板Ａの厚み方向において表面寄りに位置し、目地溝８の底面は最も低い凸部１の表面よりも建築板Ａの厚み方向において裏面寄りに位置している。   The convex portions 1 and 2 and the concave portion 3 are both formed in a horizontally long shape, and as shown in FIGS. 3 and 4, the convex portions 1 and 2 adjacent in the vertical direction (vertical direction) and the horizontal direction (horizontal direction) Joint grooves 8 are formed between the recesses 3. The joint groove 8 has a constant width dimension and depth dimension, and the depth dimension is formed shallower than the recess 3. That is, the bottom surface of the joint groove 8 is formed at a position higher than the bottom surface of the recess 3, and the bottom surface of the joint groove 8 is formed at a position lower than the surface of the lowest convex portion 1. Therefore, the bottom surface of the joint groove 8 is located closer to the surface in the thickness direction of the building board A than the bottom surface of the recess 3, and the bottom surface of the joint groove 8 is the back surface in the thickness direction of the building board A than the surface of the lowest protrusion 1. It is located near.

また、基板４の上端面には実受け部１０が横方向の全長にわたって突設されている。実受け部１０は基板４の裏面側寄りに形成されている。また、基板４の下端部は実部１１として横方向の全長にわたって形成されている。実部１１の裏面側には凹所１２が基板４の横方向の全長にわたって凹設されている。また、図３、４に示すように、基板４の上端部と下端部の表面は基準高さ面５として形成されている。この基準高さ面５は上記目溝部８の底面と同じ高さに形成されている。つまり、基準高さ面５は凹部３の底面よりも高い位置で、且つ最も低い凸部１の表面よりも低い位置に形成されている。そして、基準高さ面５に隣接する最も低い凸部１はその基準高さ面５側の端部の表面が基準高さ面５に向かって徐々に下り傾斜する下り傾斜面６として形成されている。また、基準高さ面５に隣接する凹部３はその基準高さ面５側の端部の底面が基準高さ面５に向かって徐々に上り傾斜する上り傾斜面７として形成されている。   Further, an actual receiving portion 10 is provided on the upper end surface of the substrate 4 so as to protrude over the entire length in the lateral direction. The actual receiving portion 10 is formed near the back side of the substrate 4. Further, the lower end portion of the substrate 4 is formed as a real portion 11 over the entire length in the lateral direction. On the back side of the real part 11, a recess 12 is provided over the entire length in the lateral direction of the substrate 4. As shown in FIGS. 3 and 4, the surface of the upper end portion and the lower end portion of the substrate 4 is formed as a reference height surface 5. The reference height surface 5 is formed at the same height as the bottom surface of the eye groove 8. That is, the reference height surface 5 is formed at a position higher than the bottom surface of the concave portion 3 and lower than the surface of the lowest convex portion 1. The lowest convex portion 1 adjacent to the reference height surface 5 is formed as a downward inclined surface 6 in which the surface of the end portion on the reference height surface 5 side is gradually inclined downward toward the reference height surface 5. Yes. The concave portion 3 adjacent to the reference height surface 5 is formed as an upward inclined surface 7 in which the bottom surface of the end portion on the reference height surface 5 side is gradually inclined upward toward the reference height surface 5.

上記のように形成される建築板Ａはその複数枚を縦横に並べて接合して施工し、外壁等を形成するものである。ここで、横方向（水平方向）に隣接する建築板Ａ、Ａはその側端面同士を突き合わせるようにして接合される。縦方向（上下方向）に隣接する建築板Ａ、Ａは、図１（ａ）に示すように、下側の建築板Ａの実受け部１０を上側の建築板Ａの凹所１２に挿入し、下側の建築板Ａの実受け部１０の表面側に上側の建築板Ａの実部１１が位置するようにして接合される。また、実受け部１０と実部１１の間にはシール材１３が設けられている。そして、図１（ｂ）〜（ｅ）に示すように、下側の建築板Ａの上端部に設けた基準高さ面５と上側の建築板Ａの下端部に設けた基準高さ面５とが連続するように基板４の上端と下端とを突き合わせている。   The building board A formed as described above is constructed by joining a plurality of boards in the vertical and horizontal directions to form an outer wall or the like. Here, the building boards A and A adjacent to each other in the horizontal direction (horizontal direction) are joined so that their side end faces are abutted. As shown in FIG. 1A, the building boards A and A adjacent in the vertical direction (vertical direction) insert the actual receiving portion 10 of the lower building board A into the recess 12 of the upper building board A, as shown in FIG. The upper part of the building board A is joined so that the actual part 11 of the upper building board A is located on the surface side of the actual receiving part 10 of the lower building board A. Further, a sealing material 13 is provided between the actual receiving part 10 and the actual part 11. And as shown to FIG.1 (b)-(e), the reference | standard height surface 5 provided in the upper end part of the lower building board A, and the reference | standard height surface 5 provided in the lower end part of the upper building board A The upper end and the lower end of the substrate 4 are abutted so as to be continuous.

本発明の建築板Ａでは、複数の高さの柄、すなわち、最も低い凸部１と凹部３とが上下の接合部分である基準高さ面５、５に向かって徐々に傾斜する下り傾斜面６と上り傾斜面７とを設けるので、上下に隣接する建築板Ａ、Ａの凹凸柄の一体感や連続感が損なわれないようにすることができ、外観の低下を防止することができるものである。また、建築板Ａの表面を伝わる雨水が、上下に隣接する建築板Ａ、Ａの高さの異なる柄に溜まりにくくなり、防水性等の品質が低下しないようにすることができるものである。従って、複数の高さの異なる柄（凸部１、２及び凹部３）がある凹凸柄のデザインでも、上下に隣接する建築板Ａ、Ａの接合部分を簡単な凹凸柄に形成することができる。また、上下に隣接する建築板Ａ、Ａの接合部分の形状はほとんど変えずにそのまま採用してもよく、また、Ｖ字状の目地や目地底のある箱目地など様々な形状の接合部分にも適用可能である。   In the building board A of the present invention, a plurality of height handles, that is, a downwardly inclined surface in which the lowest convex portion 1 and concave portion 3 are gradually inclined toward reference height surfaces 5 and 5 which are upper and lower joint portions. 6 and the upward inclined surface 7 are provided, so that the sense of unity and continuity of the concavo-convex patterns of the building boards A and A adjacent to each other in the upper and lower directions can be prevented from being impaired, and deterioration of the appearance can be prevented. It is. In addition, rainwater transmitted on the surface of the building board A is less likely to accumulate in the patterns having different heights of the building boards A and A adjacent to each other in the vertical direction, so that the quality such as waterproofness can be prevented from deteriorating. Therefore, even in the design of a concavo-convex pattern having a plurality of patterns with different heights (convex portions 1, 2 and concave portion 3), the joint portions of the building boards A, A adjacent to each other in the vertical direction can be formed into a simple concavo-convex pattern. . Moreover, the shape of the joint part of the building boards A and A adjacent to each other may be adopted as it is with almost no change. Also, it can be used in various joint parts such as V-shaped joints and box joints with joint joints. Is also applicable.

図５（ａ）〜（ｃ）、図６（ａ）〜（ｃ）、図７（ａ）〜（ｃ）は上記の建築板Ａ、Ａを上下に隣接させた場合の概略の側面図を示し、図５（ｄ）〜（ｆ）、図６（ｄ）〜（ｆ）、図７（ｄ）〜（ｆ）は上記の建築板Ａ、Ａを上下に隣接させた場合の概略の断面図を示す。図５（ａ）（ｄ）は上側の建築板Ａの凹部３と下側の建築板Ａの凹部３とが隣接する場合を示し、図５（ｂ）（ｅ）は上側の建築板Ａの凹部３と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図５（ｃ）（ｆ）は上側の建築板Ａの凹部３と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。   5 (a) to (c), FIGS. 6 (a) to (c), and FIGS. 7 (a) to (c) are schematic side views when the above-mentioned building boards A and A are vertically adjacent to each other. 5 (d) to (f), FIGS. 6 (d) to (f), and FIGS. 7 (d) to (f) are schematic cross-sections when the building boards A and A are vertically adjacent to each other. The figure is shown. 5 (a) and 5 (d) show the case where the concave portion 3 of the upper building board A and the concave portion 3 of the lower building board A are adjacent to each other, and FIGS. The case where the recessed part 3 and the convex part 1 with the lowest height of the lower building board A adjoin is shown, FIG.5 (c) (f) is the recessed part 3 of the upper building board A, and the lower building board A. The case where the convex part 2 with the highest height is adjacent is shown.

図６（ａ）（ｄ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの凹部３とが隣接する場合を示し、図６（ｂ）（ｅ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図６（ｃ）（ｆ）は上側の建築板Ａの最も高さの低い凸部１と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。   6 (a) and 6 (d) show the case where the lowest convex part 1 of the upper building board A and the concave part 3 of the lower building board A are adjacent to each other, and FIGS. The case where the convex part 1 with the lowest height of the upper building board A and the convex part 1 with the lowest height of the lower building board A are adjacent to each other is shown, and FIGS. The case where the convex part 1 with the lowest height of the board A and the convex part 2 with the highest height of the lower building board A are adjacent to each other is shown.

図７（ａ）（ｄ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの凹部３とが隣接する場合を示し、図７（ｂ）（ｅ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの最も高さの低い凸部１とが隣接する場合を示し、図７（ｃ）（ｆ）は上側の建築板Ａの最も高さの高い凸部２と下側の建築板Ａの最も高さの高い凸部２とが隣接する場合を示す。   FIGS. 7 (a) and 7 (d) show the case where the highest convex portion 2 of the upper building board A and the concave portion 3 of the lower building board A are adjacent to each other, and FIGS. FIG. 7C and FIG. 7F show the case where the convex part 2 having the highest height of the upper building board A and the convex part 1 having the lowest height of the lower building board A are adjacent to each other. The case where the convex part 2 with the highest height of the board A and the convex part 2 with the highest height of the lower building board A are adjacent to each other is shown.

上記の下り傾斜面６及び上り傾斜面７は緩やかな傾斜面で形成されている。通常、本発明のような建築板Ａは窯業系材料等の平板状の基板４に成形型を押しつけてプレス加工することにより凸部１、２や凹部３からなる凹凸柄を形成するが、プレス加工後に建築板Ａを成形型から脱型するために、凸部１、２の外周面（側面）や凹部３の内周面は傾斜面に形成されている。すなわち、凸部１、２の外周面や凹部３の内周面は製造上の理由から所定の傾斜角度を有する傾斜面に形成されているが、凸部１、２の外周面や凹部３の内周面の傾斜角度よりも、下り傾斜面６及び上り傾斜面７の傾斜角度は緩やかに形成されている。図８（ａ）（ｂ）に示すように、通常、凸部１、２の外周面２ａや凹部３の内周面の傾斜角度θ２は基準高さ面５に対して４５〜８０°程度であるが、図８（ｃ）（ｄ）に示すように、下り傾斜面６及び上り傾斜面７の傾斜角度θ１は基準高さ面５に対して１〜１０°とすることができる。   The down slope 6 and the up slope 7 are formed as gentle slopes. Usually, the building board A as in the present invention forms a concavo-convex pattern made up of the convex portions 1, 2 and the concave portion 3 by pressing a molding die against a flat substrate 4 such as a ceramic-based material and pressing it. In order to remove the building board A from the mold after processing, the outer peripheral surfaces (side surfaces) of the convex portions 1 and 2 and the inner peripheral surface of the concave portion 3 are formed as inclined surfaces. That is, the outer peripheral surfaces of the convex portions 1 and 2 and the inner peripheral surface of the concave portion 3 are formed as inclined surfaces having a predetermined inclination angle for manufacturing reasons. The inclination angle of the downward inclined surface 6 and the upward inclined surface 7 is formed more gently than the inclination angle of the inner peripheral surface. As shown in FIGS. 8 (a) and 8 (b), the inclination angle θ 2 of the outer peripheral surface 2 a of the convex portions 1 and 2 and the inner peripheral surface of the concave portion 3 is usually about 45 to 80 ° with respect to the reference height surface 5. However, as shown in FIGS. 8C and 8D, the inclination angle θ <b> 1 of the downward inclined surface 6 and the upward inclined surface 7 can be set to 1 to 10 ° with respect to the reference height surface 5.

尚、上記では、建築板Ａとして二種類の高さの異なる凸部１、２を有し、一種類の高さ（深さ）の異なる凹部３を有する場合を説明したが、これに限らず、三種類以上の高さの異なる凸部を有しても良いし、二種類以上の高さ（深さ）の異なる凹部を有しても良く、この場合、基準高さ面５に最も近い高さの凸部と凹部とに上記と同様の下り傾斜面６と上り傾斜面７とを形成するようにする。   In addition, although the above demonstrated the case where it had the convex parts 1 and 2 with two types of different heights as the building board A, and had the concave part 3 with one type of different height (depth), it is not restricted to this. , May have three or more types of convex portions having different heights, and may have two or more types of concave portions having different heights (depths), in this case, closest to the reference height surface 5 A downwardly inclined surface 6 and an upwardly inclined surface 7 similar to the above are formed on the convex portion and the concave portion having a height.

本発明の実施の形態の一例を示し、（ａ）は接合部分の側面図、（ｂ）〜（ｅ）は接合部分の断面図である。An example of embodiment of this invention is shown, (a) is a side view of a junction part, (b)-(e) is sectional drawing of a junction part. 同上の正面図である。It is a front view same as the above. 同上の上部の斜視図である。It is a perspective view of the upper part same as the above. 同上の下部の斜視図である。It is a perspective view of the lower part same as the above. 同上の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) same as the above is a side view of a junction part, (d)-(f) is sectional drawing of a junction part. 同上の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) same as the above is a side view of a junction part, (d)-(f) is sectional drawing of a junction part. 同上の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) same as the above is a side view of a junction part, (d)-(f) is sectional drawing of a junction part. 同上の接合部分を示し、（ａ）〜（ｄ）は拡大した断面図である。The joint part same as the above is shown, and (a) to (d) are enlarged sectional views. 従来例の一例を示す接合部分の側面図である。It is a side view of the junction part which shows an example of a prior art example. 従来例の他例を示し、（ａ）は接合部分の側面図、（ｂ）（ｃ）は接合部分の断面図である。The other example of a prior art example is shown, (a) is a side view of a junction part, (b) (c) is sectional drawing of a junction part. 従来例の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) of a prior art example is a side view of a junction part, (d)-(f) is sectional drawing of a junction part. 従来例の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) of a prior art example is a side view of a junction part, (d)-(f) is sectional drawing of a junction part. 従来例の（ａ）〜（ｃ）は接合部分の側面図、（ｄ）〜（ｆ）は接合部分の断面図である。(A)-(c) of a prior art example is a side view of a junction part, (d)-(f) is sectional drawing of a junction part.

符号の説明Explanation of symbols

１ 凸部
２ 凸部
３ 凹部
４ 基板
５ 基準高さ面
６ 下り傾斜面
７ 上り傾斜面 DESCRIPTION OF SYMBOLS 1 Convex part 2 Convex part 3 Concave part 4 Board | substrate 5 Reference | standard height surface 6 Down inclination surface 7 Up inclination surface

Claims (3)

高さの異なる複数種の凸部と凹部とを基板の表面にランダムに形成し、基板の端部の表面を高さの最も低い凸部と凹部との間に位置する基準高さ面として形成し、基準高さ面に隣接する高さの最も低い凸部から基準高さ面に向かって下り傾斜面を形成すると共に基準高さ面に隣接する凹部から基準高さ面に向かって上り傾斜面を形成して成ることを特徴とする建築板。   Multiple types of protrusions and recesses with different heights are randomly formed on the surface of the substrate, and the surface of the end of the substrate is formed as a reference height surface located between the protrusions and recesses with the lowest height And forming a downward inclined surface from the lowest convex portion adjacent to the reference height surface toward the reference height surface and an upward inclined surface from the recess adjacent to the reference height surface toward the reference height surface. Architectural board characterized by forming. 基準高さ面が凸部間あるいは凸部と凹部との間に形成される目地溝の底面と同じ高さに形成して成ることを特徴とする請求項１に記載の建築板。   The building board according to claim 1, wherein the reference height surface is formed at the same height as the bottom surface of the joint groove formed between the convex portions or between the convex portion and the concave portion. 基準高さ面を基板の上端部と下端部の両方に形成して成ることを特徴とする請求項１又は２に記載の建築板。
The building board according to claim 1 or 2, wherein a reference height surface is formed on both an upper end portion and a lower end portion of the substrate.
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