Building Materials

Abstract

To provide a building member capable of suppressing stripe-shaped marks on the surface of a protruding portion.SOLUTION: A building member 1 has a protruding portion 2 formed on the surface of the building member 1. The protruding portion 2 has a plurality of minute projections 20 formed on the surface of the protruding portion 2 and irregularly arranged vertically and horizontally.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a building component. [Background technology]

[0002] Patent Document 1 discloses a building board. On the surface of this building board, concave and convex parts extending in the same direction are alternately arranged. The surfaces of the convex parts are flat. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2012-211472 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the above-mentioned building board, rainwater or the like that adheres to the flat surface of the convex portion tends to flow in one direction due to gravity or wind, etc., and there is a possibility that streaky marks will remain on the surface of the convex portion.

[0005] The present invention has been made in consideration of the above-mentioned circumstances, and has an object to provide a building component that is less likely to leave streaky marks on the surface of its protruding parts. [Means for solving the problem]

[0006] A building component according to one embodiment of the present invention comprises a protrusion formed on a surface, the protrusion having a plurality of minute convex portions formed on the surface of the protrusion and irregularly arranged vertically and horizontally. Effect of the Invention

[0007] The building component according to the above aspect is less likely to leave streaky marks on the surface of the protruding portions. [Brief description of the drawings]

[0008] [Figure 1]FIG. 1 is a partially enlarged perspective view of a building member according to one embodiment. [Diagram 2] FIG. 2 is a partially enlarged front view of the above building component. [Diagram 3] FIG. 3 is a partially enlarged front view of the building component. [Figure 4] FIG. 4 is a front view showing the state in which the above-mentioned building component is laid horizontally. [Diagram 5] FIG. 5 is a front view showing the above-mentioned building component after being installed vertically. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] The present invention relates to a building component, and more particularly to a building component having protrusions formed on its surface.

[0010] (1) Implementation form 1 to 3 show a construction member 1 of the present embodiment. The construction member 1 is used as an exterior wall material for a building. The construction member 1 may be used for purposes other than an exterior wall material, such as an interior wall material used as a wall for a washroom, kitchen, bathroom, etc., or a roofing material.

[0011] The building component 1 is formed in the shape of a rectangular plate extending in one direction. The rectangular building component 1 has a pair of opposing sides and another pair of opposing sides. That is, the building component 1 has a pair of long sides parallel to the length direction (longitudinal direction) of the building component 1, and another pair of short sides parallel to the width direction (short side direction) of the building component 1. The building component 1 is, for example, a plate-like member with a width dimension of about 455 mm and a length dimension of about 3030 mm.

[0012] The building member 1 is a ceramic siding material, which is a hardened product of a hydraulic inorganic material mainly composed of cement. Note that the building member 1 is not limited to a ceramic siding material, and may be, for example, an inorganic material such as metal siding or ALC (Autoclaved Lightweight Aerated Concrete), or an organic material such as a resin material or a wooden board, and there is no restriction on the material of the building member 1.

[0013] The building components 1 are installed in a state where multiple pieces are lined up along the base. Fig. 4 shows a state where multiple building components 1 are installed horizontally, with the length direction of each building component 1 aligned horizontally, and multiple building components 1 lined up vertically (up and down). Fig. 5 shows a state where multiple building components 1 are installed vertically, with the length direction of each building component 1 aligned vertically, and multiple building components 1 lined up horizontally (direction perpendicular to the up and down direction).

[0014] The base on which the building components 1 are installed is, for example, furring strips, partition walls, or base boards. Each building component 1 is placed on the exterior side of the base and is fixed to the base by fasteners such as screws or nails or metal fittings. Adjacent building components 1 may be in contact with each other or may be arranged via other members such as joint materials.

[0015] As shown in Fig. 2, a pair of solid parts 10, 11 are formed at both ends in the width direction constituting a pair of sides of the building component 1. One solid part 10 of the pair of solid parts 10, 11 protrudes from the back side end of the building component 1 toward the outside in the width direction of the building component 1, and the other solid part 11 protrudes from the front side end of the building component 1 toward the outside in the width direction of the building component 1.

[0016] In a state where multiple building components 1 are installed, adjacent building components 1 in the width direction of the building components 1 are joined by a joint between a solid part 10 formed at the end of one building component 1 on the side of the other building component 1 and a solid part 11 formed at the end of the other building component 1 on the side of the one building component 1. The pair of solid parts 10, 11 provided on the building components 1 are not limited to those that are joined by a joint, and may be joined by a solid part, for example. In addition, solid parts for joining adjacent building components 1 in the length direction of the building components 1 may or may not be formed at both ends in the length direction of the building components 1.

[0017] The building member 1 has a number of protrusions 2 formed on the surface of the building member 1. The building member 1 of this embodiment has three protrusions 2. The multiple protrusions 2 are arranged at intervals in the width direction of the building member 1. When viewed from the surface side of the building member 1, each protrusion 2 is formed in a rectangular shape extending in the length direction of the building member 1. Each protrusion 2 is formed over the entire length of the building member 1 in the length direction.

[0018] The shape of each protrusion 2 is not limited. For example, multiple protrusions 2 may be formed at intervals in the length direction of the building component 1. Also, each protrusion 2 may be formed in a rectangular shape extending in the width direction of the building component 1. Also, the number of protrusions 2 that the building component 1 has is not limited.

[0019] The building member 1 has a number of grooves 12 formed on the surface of the building member 1. Each groove 12 is a recess formed between adjacent protrusions 2 in the width direction of the building member 1, and is a pseudo joint that imitates a joint formed between adjacent building members 1. Each groove 12 extends linearly along the length direction of the building member 1, spanning the entire length of the building member 1 in the length direction.

[0020] Each protrusion 2 has a plurality of micro protrusions 20. The plurality of micro protrusions 20 are formed on the surface of the protrusion 2 and are arranged vertically and horizontally irregularly. In the present disclosure, "arranged vertically and horizontally irregularly" means a state in which the plurality of micro protrusions 20 are not arranged according to a set rule on the surface of the protrusion 2. "Arranged vertically and horizontally irregularly" includes, for example, the central positions of the micro protrusions 20 as viewed from the surface side being unevenly distributed in the length direction and width direction of the building component 1, the size or shape of the micro protrusions 20 being uneven, and the shape, length, width, etc. of the micro grooves 21 formed between adjacent micro protrusions 20 being uneven.

[0021] The shape of each micro protrusion 20 as viewed from the surface side is different for each micro protrusion 20 and is non-uniform. Furthermore, the area of ​​each micro protrusion 20 as viewed from the surface side is also non-uniform. The multiple micro protrusions 20 of this embodiment include multiple micro protrusions 20 having a shape extending in a direction including a directional component in the length direction (lateral direction) of the protrusion 2. Furthermore, on the surface of the protrusion 2, multiple micro protrusions 20 having a shape extending in a direction including a directional component in the width direction (vertical direction) of the protrusion 2 and multiple micro protrusions 20 having approximately the same dimension in the length direction of the protrusion 2 and the same dimension in the width direction of the protrusion 2 are formed. Further, on the surface of the protrusion 2, a plurality of microgrooves 21 are formed between adjacent microprotrusions 20 in the width direction of the protrusion 2 and extend in a direction that includes a directional component in the length direction (horizontal direction) of the protrusion 2, and a plurality of microgrooves 21 are formed between adjacent microprotrusions 20 in the length direction of the protrusion 2 and extend in a direction that includes a component in the width direction (vertical direction) of the protrusion 2. The area of ​​each microprotrusion 20 as viewed from the surface side is, for example, 250 mm 2 The vertical cross-sectional shape of the minute protrusion 20 (cross-sectional shape seen from the longitudinal direction of the building component 1) is approximately mountain-shaped, and the inclined surfaces on both the upper and lower sides of the ridgeline are curved to be convex toward the back side of the building component 1, for example.

[0022] Rainwater, etc., adhering to the surface of the protrusion 2 hits the multiple micro-projections 20 arranged irregularly vertically and horizontally and disperses, rather than flowing in a straight line. Therefore, whether the building component 1 is laid horizontally or vertically, streaks are unlikely to be left on the surface of the protrusion 2.

[0023] The multiple micro protrusions 20 are formed over the entire surface of the protrusion 2. The multiple micro protrusions 20 are densely arranged on the surface of the protrusion 2 so that only very small grooves 21 are formed between adjacent micro protrusions 20. The tops of the micro protrusions 20 are located at approximately the same position in the thickness direction of the building component 1.

[0024] The multiple micro-projections 20 in this embodiment have a shape similar to a carbonized layer formed on the surface of burnt cedar burned by triangular burning or the like. In addition, multiple circular projections 22 larger than the micro-projections 20 and resembling knots in wood are formed so as to be scattered on the surface of each protrusion 2. In addition, the entire surface of each protrusion 2 is colored black. Therefore, each protrusion 2 has an appearance resembling the surface of a single piece of burnt cedar, and the surface of the building component 1 has an appearance like multiple pieces of burnt cedar lined up in the width direction of the building component 1.

[0025] The multiple micro-projections 20 may be formed only on a part of the surface of the protrusion 2. The knot-like projections 22 may be omitted. The color of the surface of each protrusion 2 is not limited to black, and may be a dark or light color other than black. The surface of the protrusion 2 is not limited to an appearance that imitates the surface of burnt cedar, and may have other appearances, such as a wood grain or stone grain appearance.

[0026] The surface of each protrusion 2 has two end regions 23 located at both ends of the protrusion 2 in the width direction, and a middle region 24 located between the two end regions 23. Each of the two end regions 23 and the middle region 24 extends over the entire length of the protrusion 2 in the longitudinal direction, and the surface of the protrusion 2 is composed of only the two end regions 23 and the middle region 24.

[0027] The multiple micro protrusions 20 are formed so as to cover the entirety of each of the two end regions 23 and the intermediate region 24. The intermediate region 24 has coarser micro protrusions 20 than the end regions 23. In the intermediate region 24, the average area of ​​the micro protrusions 20 when viewed from the surface side is larger than that of the end regions 23. Furthermore, of the multiple micro protrusions 20 formed over the entire protrusion 2, the micro protrusion 20 with the largest area when viewed from the surface side is present in the intermediate region 24. Furthermore, in the intermediate region 24, the width and depth of the micro grooves 21 formed between adjacent micro protrusions 20 are larger than those of the end regions 23.

[0028] Light is more likely to strike the micro-protrusions 20, which have a larger area when viewed from the front surface side, and the middle region 24 tends to be brighter than the end regions 23. For this reason, the protrusions 2 tend to appear to have a three-dimensional shape in which the middle portion in the width direction bulges out toward the front surface more than both ends in the width direction.

[0029] In each end region 23 where fine micro-projections 20 are formed, rainwater and the like flows more easily than in the middle region 24 where coarse micro-projections 20 are formed. In other words, the flow of rainwater and the like is likely to vary between the middle region 24 and the end region 23. For this reason, rainwater and the like that adheres to the surface of the protrusion 2 flows smoothly. Dispersed It flows easily.

[0030] The multiple minute protrusions 20 are also arranged irregularly vertically and horizontally in each end region 23, and the brightness of each end region 23 tends to be uneven in the length direction of the protrusion 2. For this reason, the width of the groove 12 adjacent to the protrusion 2 tends to appear uneven in the length direction of the groove 12. Therefore, even if adjacent building components 1 in the length direction of the building component 1 are constructed with a shift in the width direction of the building component 1, and the positions of the grooves 12 of the adjacent building components 1 are shifted in the width direction of the building component 1, this shift can be made less noticeable.

[0031] For example, the area of ​​the minute protrusions 20 formed in the intermediate region 24 as viewed from the front surface side is 40 mm 2 More than 300mm 2 The area of ​​the minute protrusions 20 formed in each end region 23 as viewed from the front surface side is 4 mm 2 More than 80mm 2 The microgrooves 21 formed in the middle region 24 have a width of, for example, 0.8 mm to 4.0 mm and a depth of, for example, 1.5 mm to 3.5 mm. The microgrooves 21 formed in each end region 23 have a width of, for example, 0.2 mm to 1.5 mm and a depth of, for example, 0.5 mm to 1.5 mm.

[0032] In addition, the multiple micro convexities 20 in this embodiment are formed so that the average area of ​​the micro convexities 20 when viewed from the surface side gradually increases toward the middle of the width of the protrusion 2, and although the boundary between the end region 23 and the middle region 24 on the surface of each protrusion 2 is not visually clearly visible, the multiple micro convexities 20 may be formed so that this boundary is clearly visible.

[0033] The intermediate region 24 has coarse regions 25 and thin regions 26 arranged alternately in the longitudinal direction of the protruding portion 2. The multiple micro protrusions 20 are formed throughout the multiple coarse regions 25 and the multiple thin regions 26. In each of the rough regions 25, micro protrusions 20 that are relatively coarse compared to each of the thin regions 26 are formed.

[0034] In each rough region 25, the average value of the area of ​​the microconvex portions 20 when viewed from the surface side is larger than that of each fine region 26, and the average value of the area of ​​the microconvex portions 20 in the rough region 25 when viewed from the surface side is, for example, 1.2 times or more and 2.0 times or less than the average value of the area of ​​the microconvex portions 20 in the fine region 26 when viewed from the surface side. However, in each fine region 26, the average value of the area of ​​the microconvex portions 20 when viewed from the surface side is larger than that of each end region 23. Furthermore, in this embodiment, of the multiple microconvex portions 20 formed throughout the intermediate region 24, the microconvex portion 20 having the largest area when viewed from the surface side is present in the rough region 25.

[0035] In each rough region 25, the width and depth of the microgrooves 21 formed between the adjacent microprojections 20 are , which is larger than each of the sub-regions 26. However, each Coarse area 25 In the example shown in FIG. 1, the width and depth of the minute grooves 21 formed between the adjacent minute protrusions 20 are larger than those of the end regions 23 .

[0036] For example, the area of ​​the minute protrusions 20 formed in each rough region 25 as viewed from the front surface side is 40 mm 2 More than 300mm 2 The area of ​​the minute protrusions 20 formed in each narrow region 26 as viewed from the front side is 30 mm 2 More than 250mm2 For example, the microgrooves 21 formed in each rough region 25 have a width of 0.8 mm to 4.0 mm and a depth of 1.5 mm to 3.8 mm, and the microgrooves 21 formed in each end region 23 have a width of 0.8 mm to 3.5 mm and a depth of 1.0 mm to 3.0 mm.

[0037] Since more light falls on the micro-protrusions 20, which have a larger area when viewed from the surface side, each rough region 25 tends to be brighter than each fine region 26. For this reason, the intermediate region 24 tends to appear three-dimensional, with each rough region 25 bulging out toward the surface more than each fine region 26, even though the surfaces of each micro-protrusion 20 are located at approximately the same position in the thickness direction of the building component 1. Furthermore, in the fine region 26 where fine micro-protrusions 20 are formed, rainwater and the like flows more easily than in the rough region 25. For this reason, the flow of rainwater and the like tends to vary between the rough region 25 and the fine region 26, and rainwater and the like that adheres to the surface of the protrusion 2 does not flow smoothly. Dispersed It flows easily.

[0038] In addition, the multiple microconvex portions 20 formed in the intermediate region 24 of this embodiment are formed so that the average area of ​​the microconvex portions 20 when viewed from the surface side gradually changes in the longitudinal direction of the protrusion 2, and although the boundary between the coarse region 25 and the fine region 26 in the intermediate region 24 is not clearly visible, the multiple microconvex portions 20 may be formed so that this boundary is clearly visible.

[0039] The microgrooves 21 formed in the rough region 25 may have a depth or width or both smaller than or the same as the microgrooves 21 formed in the thin region 26. The multiple microprotrusions 20 formed in the intermediate region 24 may have an average area of ​​the microprotrusions 20 as viewed from the front surface side that is approximately constant in the length direction of the protrusion 2. The microgrooves 21 formed in the intermediate region 24 may have a depth or width or both smaller than or the same as the microgrooves 21 formed in the end region 23.

[0040] Similarly to the intermediate region 24, each end region 23 may have coarse regions and thin regions alternately positioned in the length direction of the protrusion 2. The multiple minute protrusions 20 formed on the protrusion 2 may have an average area of ​​the minute protrusions 20 when viewed from the front surface side that is approximately constant in the width direction of the protrusion 2. Additionally, the size, shape, material, etc. of each element of the building member 1 of this embodiment can be modified as appropriate.

[0041] (2) Description As is clear from the embodiment described above, the building member 1 of the first aspect has the following configuration. The building member 1 has a protrusion 2 formed on the surface of the building member 1. The protrusion 2 has a plurality of minute convex portions 20 formed on the surface of the protrusion 2 and irregularly arranged vertically and horizontally.

[0042] According to this embodiment, rainwater or the like adhering to the surface of the protrusion 2 is easily dispersed and flows away due to the multiple micro-protrusions 20 irregularly arranged vertically and horizontally. Therefore, streaky marks are unlikely to be left on the surface of the protrusion 2.

[0043] The building component 1 of the second embodiment can be realized by combining it with the first embodiment. In the second embodiment, the protrusion 2 has a shape extending in one direction. The surface of the protrusion 2 has two end regions 23 located at both ends of the protrusion 2 in the width direction, and a middle region 24 located between the two end regions 23. A plurality of minute protrusions 20 are formed in each of the two end regions 23 and the middle region 24. In the middle region 24, the average area of ​​the minute protrusions 20 when viewed from the surface side is larger than each of the two end regions 23.

[0044] According to this embodiment, since more light falls on the micro-protrusions 20, which have a larger area when viewed from the surface side, the middle region 24 tends to be brighter than the end regions 23. As a result, the middle part in the width direction of the protrusion 2 appears to have a three-dimensional shape that bulges out more toward the surface than both ends in the width direction, improving the design. Also, in the middle region 24, where the relatively coarse micro-protrusions 20 are formed, rainwater and the like does not flow as easily as in the end regions 23. As a result, the flow of rainwater and the like is likely to vary between the middle region 24 and the end regions 23, while rainwater and the like does not flow smoothly in the middle region 24. Dispersed It becomes easier to flow.

[0045] The building component 1 of the third aspect can be realized by combining with the first or second aspect. In the third aspect, the protrusion 2 has a shape extending in one direction. The protrusion 2 has rough regions 25 and thin regions 26 arranged alternately in the longitudinal direction of the protrusion 2. A plurality of minute protrusions 20 are formed in each of the rough regions 25 and thin regions 26. In the rough regions 25, the average area of ​​the minute protrusions 20 when viewed from the surface side is larger than that of the thin regions 26.

[0046] According to this embodiment, since more light falls on the micro-protrusions 20, which have a larger area when viewed from the surface side, the coarse regions 25 tend to be brighter than the thin regions 26. As a result, the protrusions 2 appear to have a three-dimensional shape in which the coarse regions 25 bulge outward toward the surface more than the thin regions 26, improving the design. Also, in the coarse regions 25, where the relatively coarse micro-protrusions 20 are formed, rainwater and the like does not flow as easily as in the thin regions 26. As a result, the flow of rainwater and the like tends to vary between the coarse regions 25 and the thin regions 26, making it difficult for rainwater and the like to flow smoothly. Dispersed It flows easily. [Explanation of symbols]

[0047] 1. Building materials 2. Protruding part 20 Micro-projections 23 End area 24 Middle region 25 coarse area 26 Subregion

Claims

1. A building component extending in one direction, A protrusion is formed on a surface of the The protruding portion is A plurality of minute protrusions are formed on the surface of the protruding portion and are irregularly arranged vertically and horizontally, The protruding portion has a shape extending in the one direction, The surface of the protruding portion is Two end regions located at both ends in the width direction of the protruding portion, a middle region located between the two end regions; The intermediate region is continuous with each of the two end regions in the width direction, Between the two end regions and the middle region, there is no groove that extends linearly along the length of the building component and that extends over the entire length of the building component in the length direction; the plurality of minute protrusions are formed in each of the two end regions and the intermediate region, In the intermediate region, an average value of the area of ​​the minute protrusions when viewed from the front surface side is larger than that of each of the two end regions. Building materials.

2. The protruding portion is The protrusion has rough regions and thin regions arranged alternately in a longitudinal direction thereof, the plurality of minute protrusions are formed in each of the coarse region and the fine region, In the coarse region, the average area of ​​the minute protrusions when viewed from the surface side is larger than that of the fine region. The building component according to claim 1 .

3. The surface of the building component is The building component further includes a groove that is adjacent to the protruding portion in the width direction, extends linearly along the length direction of the building component, and extends over the entire length of the building component in the length direction. The building components are installed with the length direction of the building components aligned in the up-down direction.

3. A building material according to claim 1 or 2.

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