Building panels

Abstract

To provide building paneling that can create novel, irregular decorative patterns on buildings. [Solution] A building board material comprising a plate-shaped body 1 having a connecting projection 3 at one end and a connecting recess 4 at the other end, and configured so that multiple plate-shaped bodies 1 can be connected by fitting the connecting projection 3 into the connecting recess 4, and a plate-shaped body 1 having an irregular decorative section 5 in which two different shaped protruding decorations 2 are arranged adjacently, or an irregular decorative section 5 in which three protruding decorations 2 are arranged adjacently at different intervals, and a connecting recess 4 is provided at one end of the plate-shaped body 1 and a connecting projection 3 is provided at the other end, and configured so that the connecting projection 3 of the plate-shaped body 1 can be fitted and connected to the connecting recess 4 of another plate-shaped body 1 which is inverted.

Description

Technical Field

[0007]

[0001] The present invention relates to building plates for constructing the outer walls and roofs of buildings.

Background Art

[0002] Conventionally, building plates made by bending metal plates (such as galvanized steel plates) have been implemented.

[0003] Briefly explaining this type of building plate, a male part (protrusion) for joining is provided at one end of the plate-shaped body, while a female part (recess) into which this male part can be fitted and joined is provided at the other end of the plate-shaped body. By fitting and joining this male part and female part, a plurality of plate-shaped bodies are connected in a juxtaposed state to function as an outer wall material or roof material with a desired area.

[0004] In addition, some conventional building plates have a plurality of convex strip decorations provided on the surface in a juxtaposed state by bending (see, for example, Patent Document 1 below).

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] As in Patent Document 1 above, building plates with a plurality of convex strip decorations provided on the surface have the same-shaped convex strip decorations regularly arranged. When used as, for example, an outer wall material, the convex strip decorations appear regularly arranged on the outer wall surface of the building.

[0007] While such regularly arranged raised decorations are aesthetically pleasing, the increasing diversification of tastes and preferences in architectural design has led to a growing demand for irregular decorative patterns that have never been seen before.

[0008] This invention was developed in view of the current situation and provides a highly practical building panel that can create novel, irregular decorative patterns on buildings. [Means for solving the problem]

[0009] The gist of the present invention will be explained with reference to the attached drawings.

[0010] A building panel is provided in which a plate-shaped body 1 having multiple raised decorative strips 2 on its surface has a connecting projection 3 on one end, and a connecting recess 4 into which the connecting projection 3 can be fitted is provided on the other end of the plate-shaped body 1, and multiple plate-shaped bodies 1 can be connected in a side-by-side state by fitting the connecting projection 3 into the connecting recess 4, The surface of the plate-shaped body 1 is provided with an irregular decorative section 5 in which a plurality of the raised decorative elements 2 are arranged such that the surface decoration is asymmetrical left to right with respect to a line dividing the plate-shaped body 1 in half horizontally, or the surface decoration is asymmetrical up to down with respect to a line dividing the plate-shaped body 1 in half vertically, The present invention relates to a building panel, characterized in that a connecting recess 4 is provided adjacent to the connecting projection 3 on one end of the plate-shaped body 1, and a connecting projection 3 is provided adjacent to the connecting recess 4 on the other end of the plate-shaped body 1, and that multiple plate-shaped bodies 1 can be connected side by side by fitting the connecting projection 3 on one end of another plate-shaped body 1 which is rotated 180 degrees into the connecting recess 4 on one end of that same plate-shaped body 1, and that multiple plate-shaped bodies 1 can be connected side by side by fitting the connecting projection 3 on the other end of another plate-shaped body 1 which is rotated 180 degrees into the connecting recess 4 on the other end of that same plate-shaped body 1.

[0011] Furthermore, the present invention relates to the building panel material according to claim 1, characterized in that the surface of the plate-shaped body 1 is provided with an irregular decorative section 5 in which two convex decorative sections 2 of different shapes are arranged adjacently, such that the surface decoration is asymmetrical left to right with respect to the axis of symmetry when the line dividing the plate-shaped body 1 in half horizontally is used as the axis of symmetry, or that the irregular decorative section 5 is provided in which two convex decorative sections 2 of different shapes are arranged adjacently, such that the surface decoration is asymmetrical vertically with respect to the axis of symmetry when the line dividing the plate-shaped body 1 in half vertically is used as the axis of symmetry.

[0012] Furthermore, the building board material according to claim 1 is characterized in that at least two of the raised decorative strips 2 are provided side by side on the surface of the plate-shaped main body 1, and these side by side raised decorative strips 2 are formed to have different widths, thereby forming the irregular decorative section 5 in which two raised decorative strips 2 of different shapes are arranged adjacent to each other.

[0013] Furthermore, at least two of the raised decorative strips 2 are arranged side by side on the surface of the plate-shaped body 1. The building panel material according to claim 1 is characterized in that the raised decorative strip 2 is formed in a shape having an inclined side portion 21, and the inclined side portion 21 of adjacent raised decorative strips 2 is formed to a different degree of inclination, thereby forming the irregular decorative portion 5 in which two raised decorative strips 2 of different shapes are arranged adjacently, or the irregular decorative portion 5 in which two raised decorative strips 2 of different shapes are arranged adjacently, is formed by adjacent raised decorative strips 2 having different degrees of protrusion.

[0014] Furthermore, the surface of the plate-shaped body 1 is provided with the irregular decorative section 5, which consists of three convex decorative strips 2 arranged adjacently at different intervals, such that the surface decoration is asymmetrical left to right with respect to a straight line that divides the plate-shaped body 1 in half horizontally, or the irregular decorative section 5, which consists of three convex decorative strips 2 arranged adjacently at different intervals, such that the surface decoration is asymmetrical vertically with respect to a straight line that divides the plate-shaped body 1 in half vertically, such that the surface decoration is asymmetrical vertically. This relates to the building board material according to claim 1.

[0015] Furthermore, the building board material according to claim 1 is characterized in that at least three of the raised decorative strips 2 are arranged side by side on the surface of the plate-shaped main body 1, and the adjacent spacing L1 between the first raised decorative strip 2A located in the center and the second raised decorative strip 2B adjacent to one side of the first raised decorative strip 2A, and the adjacent spacing L2 between the first raised decorative strip 2A and the third raised decorative strip 2C adjacent to the other side of the first raised decorative strip 2A, are set to be different, thereby forming the irregular decorative section 5 in which the three raised decorative strips 2 are arranged adjacently at different intervals.

[0016] Furthermore, the building plate material according to claim 1 is characterized in that the plate-shaped body 1 is made of a metal plate, and the vicinity of one end and the vicinity of the other end of the plate-shaped body 1 are bent into a concave shape that is open on the outside, and these concave bent portions near the one end and the vicinity of the other end are configured as the joining recess 4, and the one end and the other end of the plate-shaped body 1 that constitute each of these joining recess 4 are formed to protrude outward from the joining recess 4, and these protruding portions at one end and the other end are configured as the joining protrusion 3. [Effects of the Invention]

[0017] Since the present invention is configured as described above, it has an irregular decorative portion in which a plurality of the rib decorations are arranged so that the surface decoration is asymmetric left and right or asymmetric up and down. Therefore, it can provide a novel exterior decoration for a building in which the rib decorations are arranged irregularly. Moreover, although a plurality of plate-like bodies having irregular decorative portions can be arranged and connected in the same direction, another plate-like body inverted 180 degrees can be arranged and connected so that a more irregular decoration in which the irregular decorative portions of adjacent plate-like bodies are inverted 180 degrees appears. It becomes an architectural board material with extremely excellent practicality.

[0018] Further, in the inventions according to claims 2 to 6, the configuration having an irregular decorative portion on the surface of the plate-like body is made into a simple configuration and can be easily designed and realized, and it becomes an architectural board material with even more excellent practicality.

[0019] Further, in the invention according to claim 7, the configuration having a joining convex portion and a joining concave portion on each of one end side and the other end side of the plate-like body is made into a simple configuration and can be easily designed and realized, and it becomes an architectural board material having an even more excellent configuration.

Brief Description of the Drawings

[0020] [Figure 1] It is a perspective view showing Example 1. [Figure 2] It is a front view showing Example 1. [Figure 3] It is a rear view showing Example 1. [Figure 4] It is a right side view showing Example 1. [Figure 5] It is a left side view showing Example 1. [Figure 6] It is a bottom view showing Example 1. [Figure 7] It is an explanatory perspective view and an explanatory bottom view showing a usage state in which a plurality of Examples 1 are connected. [Figure 8] It is an explanatory perspective view and an explanatory bottom view showing a usage state in which another Example 1 inverted 180 degrees is arranged and connected next to Example 1 (the irregular decorative portions are arranged in an inverted manner). [Figure 9]These are explanatory perspective views and bottom views showing the usage state in which another Example 1 is placed next to and connected to Example 1 which has been rotated 180 degrees (the irregular decorative part has been reversed). [Figure 10] This is a perspective view showing Example 2. [Figure 11] This is a front view showing Example 2. [Figure 12] This is a right side view showing Example 2. [Figure 13] This is a bottom view showing Example 2. [Figure 14] These are explanatory perspective views and bottom views showing the usage state when multiple units of Example 2 are connected together. [Figure 15] These are explanatory perspective views and bottom views showing the usage state in which another Example 2, rotated 180 degrees, is placed next to Example 2 and connected (with the irregular decorative parts reversed and arranged side by side). [Figure 16] These are explanatory perspective views and bottom views showing the usage state in which another Example 2 is placed next to and connected to Example 2 which has been rotated 180 degrees (the irregular decorative part has been reversed). [Modes for carrying out the invention]

[0021] An optimal embodiment of the present invention will be briefly described based on the drawings, illustrating the operation of the present invention.

[0022] The building panel of the present invention has a connecting projection 3 on one end of the panel-shaped body 1, and a connecting recess 4 into which the connecting projection 3 can be fitted is provided on the other end of the panel-shaped body 1. By fitting the connecting projection 3 into the connecting recess 4, multiple panel-shaped bodies 1 can be connected in a side-by-side configuration. Therefore, for example, when this building panel is used as an exterior wall material for a building, an exterior wall material of an appropriate size according to the size of the building's exterior wall surface can be constructed by connecting the panel-shaped bodies 1.

[0023] Furthermore, the building panel of the present invention has a plurality of raised decorative strips 2 on its surface. These raised decorative strips 2 are arranged in an irregular decorative section 5 such that the surface decoration is asymmetrical left to right with respect to a straight line that divides the panel body 1 in half horizontally, or they are arranged in an irregular decorative section 5 such that the surface decoration is asymmetrical vertically with respect to a straight line that divides the panel body 1 in half vertically,

[0024] In other words, instead of the typical decoration where identically shaped raised decorations are arranged regularly, the building will have an unprecedented and innovative appearance with irregular decorative sections 5 where the raised decorations 2 are arranged irregularly.

[0025] Furthermore, in the present invention, a connecting recess 4 is provided adjacent to the connecting projection 3 on one end of the plate-shaped body 1, and a connecting projection 3 is also provided adjacent to the connecting recess 4 on the other end of the plate-shaped body 1. The connecting projection 3 on one end of the plate-shaped body 1 can be fitted and connected to a connecting recess 4 on one end of another plate-shaped body 1 that has been rotated 180 degrees, and the connecting projection 3 on the other end of the plate-shaped body 1 can be fitted and connected to a connecting recess 4 on the other end of another plate-shaped body 1 that has been rotated 180 degrees.

[0026] Therefore, by fitting the connecting protrusion 3 at one end into the connecting recess 4 at the other end of another plate-shaped body 1, multiple plate-shaped body 1 having multiple irregular decorative parts 5 can be arranged and connected in the same manner (orientation). Furthermore, by arranging and connecting another plate-shaped body 1 that has been rotated 180 degrees, even more irregular decorations appear on the adjacent plate-shaped body 1, which have also been rotated 180 degrees. [Examples]

[0027] A specific embodiment of the present invention will be described with reference to Figures 1 to 9.

[0028] Figure 1 is a perspective view of this embodiment, seen from below; Figure 2 is a front view of this embodiment; Figure 3 is a rear view of this embodiment; Figure 4 is a right side view of this embodiment; Figure 5 is a left side view of this embodiment; and Figure 6 is a bottom view of this embodiment. Note that the top view is omitted because it appears symmetrically to Figure 6 (bottom view).

[0029] This embodiment is applied to a metal exterior wall material called a spandrel, and a connecting projection 3 is provided on one end of a plate-shaped body 1 having a plurality of raised decorative ridges 2 on its surface, and a connecting recess 4 into which the connecting projection 3 can be fitted is provided on the other end of the plate-shaped body 1, and by fitting the connecting projection 3 into the connecting recess 4, multiple plate-shaped bodies 1 can be connected in a side-by-side state. Although not shown in the figures, the present invention is also applicable to roofing materials and other building panels.

[0030] Furthermore, in this embodiment, as shown in Figure 2 (front view), the metal is composed of a long, continuous rectangular metal plate (for example, a galvalume steel plate), and the plate-shaped body 1 has the raised decorative strip 2, which has a length along its longitudinal direction, integrally formed to the full length (top to bottom) width of the plate-shaped body 1 by bending.

[0031] Furthermore, the plate-shaped body 1 is provided with three of the aforementioned raised decorative elements 2 arranged in parallel in a direction perpendicular to the length direction of the plate-shaped body 1. In addition, of these three raised decorative elements 2, the first raised decorative element 2A in the center and the second raised decorative element 2B on the left end (the two adjacent elements on the left side of the drawing) are formed as raised elements of substantially the same shape, while only the third raised decorative element 2C on the right end is formed as a thick raised decorative element 2C, with a width in the direction perpendicular to the length direction of the plate-shaped body 1 being thicker and wider than the first raised decorative element 2A and the second raised decorative element 2B.

[0032] In other words, in this embodiment, when the straight line dividing the plate-shaped body 1 into left and right halves is used as the axis of symmetry, an irregular decorative section 5 is provided in which two differently shaped first and third raised decorative sections 2A and 2C are arranged adjacent to each other, such that the surface decoration is asymmetrical with respect to this axis of symmetry. Furthermore, the irregular decorative section 5 is provided in which the first raised decorative section 2A, the second raised decorative section 2B and the third raised decorative section 2C are arranged adjacent to each other at different intervals.

[0033] Specifically, the raised decoration 2 is formed as a raised decoration 2 with a roughly triangular (mountain-shaped) cross-section, having a vertex corner portion 20A as the apex portion 20 that protrudes most towards the surface side of the plate-shaped body 1, and inclined side portions 21 that gently slope toward the back side of the plate-shaped body 1 from both sides of the vertex corner portion 20A. The first raised decoration 2A (the second raised decoration 2B) and the third raised decoration 2C are formed by having their respective inclined side portions 21 formed at different degrees of inclination, thereby forming the irregular decorative portion 5 in which two raised decorations 2A and 2C of different shapes are arranged adjacent to each other.

[0034] More specifically, in this embodiment, the third ridge decoration 2C has a sloping angle of its inclined side surface 21 that is smaller than the sloping angle of the inclined side surface 21 of the first ridge decoration 2A (the second ridge decoration 2B), thereby forming the irregular decoration 5 in which two different triangular (mountain-shaped) ridge decorations 2 (the first ridge decoration 2A and the third ridge decoration 2C) are arranged adjacent to each other. Although not shown in the figures, the mountain-shaped ridge decoration 2 may have one side of its apex corner 20A formed by an inclined side surface 21, while the opposite side is formed by a straight plate perpendicular to the surface of the plate-shaped body 1.

[0035] Furthermore, the first ridge decoration 2A (second ridge decoration 2B) and the third ridge decoration 2C are configured such that the apex corner 20A of the third ridge decoration 2C protrudes more than the apex corner 20 of the first ridge decoration 2A due to the difference in the inclination angles of their respective inclined side surfaces 21 (see Figure 6). In other words, in this embodiment, the irregular decorative section 5 is configured such that adjacent ridge decorations 2 (first ridge decoration 2A and third ridge decoration 2C) are formed as ridges 2 with different degrees of protrusion (two ridge decorations 2 of different shapes are arranged adjacent to each other).

[0036] Further, the first rib decoration 2A (second rib decoration 2B) and the third rib decoration 2C are formed in a shape with a greater thickness of the third rib decoration 2C than the first rib decoration 2A due to the difference in the inclination angles of the respective inclined side surfaces 21. That is, in this embodiment, the irregular decoration portion 5 is formed by the adjacent rib decorations 2 (the first rib decoration 2A and the third rib decoration 2C) being formed into ribs having different widths (two or more rib decorations 2 having different shapes are arranged adjacent to each other). And due to the difference in thickness between the first rib decoration 2A and the third rib decoration 2C, the adjacent interval L1 between the first rib decoration 2A (apex portion 20A) existing in the center and the second rib decoration 2B (apex portion 20A) adjacent to one side (left side in the drawing) of this first rib decoration 2A, and the adjacent interval L2 between the first rib decoration 2A (apex portion 20A) and the third rib decoration 2C (apex portion 20A) adjacent to the other side of this first rib decoration 2A are set to be different adjacent intervals (so that L1 < L2), whereby the irregular decoration portion 5 is formed by the three rib decorations 2 being arranged adjacent to each other at different intervals.

[0037] In addition, although not shown in the drawings, by changing the configuration such that the length direction of the three rib decorations 2 extends in a direction orthogonal to this embodiment, when the straight line bisecting the plate-like body 1 vertically is used as the symmetry axis, an irregular decoration portion 5 formed by two rib decorations 2 having different shapes being arranged adjacent to each other is provided so that the surface decoration is vertically asymmetric with respect to this symmetry axis, or a configuration in which an irregular decoration portion 5 formed by the three rib decorations 2 being arranged adjacent to each other at different intervals is provided may be adopted.

[0038] Also, in this embodiment, a joining convex portion 3 is provided at one end portion of the plate-like body 1, and a joining concave portion 4 into which this joining convex portion 3 can be fitted is provided at the other end side of the plate-like body. By fitting the joining convex portion 3 into the joining concave portion 4, a plurality of plate-like bodies 1 can be connected in a juxtaposed state. However, the joining concave portion 4 is also provided adjacent to the joining convex portion 3 at one end side of the plate-like body 1, and the joining convex portion 3 is also provided adjacent to the joining concave portion 4 at the other end portion of the plate-like body 1.

[0039] Specifically, both ends of the plate-shaped body 1 in a direction perpendicular to its length (the longitudinal edges on both the left and right sides of the plate-shaped body 1) are folded back to the front, and these folded ends are formed as the joining protrusions 3. Furthermore, the slightly inward portions near these joining protrusions 3 at both ends are bent into a concave plate shape that is open on the outside, and these concave bent portions near both ends are formed as the joining recesses 4. In other words, the joining recesses 4 are integrally formed by bending near both the left and right ends (the longitudinal edges on the left and right) of the plate-shaped body 1, and the joining protrusions 3, which are also the longitudinal edges on the left and right sides of the plate-shaped body 1, are integrally formed to protrude outward from each of these joining recesses 4 on the left and right sides.

[0040] Therefore, as shown in Figure 7, the connecting protrusion 3 at one end of one plate-shaped body 1 (right side of the drawing) can be fitted into the connecting recess 4 at the other end of another plate-shaped body 1 (left side of the drawing) as usual, thereby arranging the plate-shaped bodies 1 having irregular decorative parts 5 in a regular horizontal direction to form the exterior wall of a building. However, as shown in Figure 8, the connecting protrusion 3 at one end of one plate-shaped body 1 (right side of the drawing) can be fitted into the connecting recess 4 at one end of another plate-shaped body 1 (left side of the drawing) which is rotated 180 degrees horizontally perpendicular to the surface of the plate-shaped body 1, thereby connecting the plate-shaped bodies 1 together. Alternatively, as shown in Figure 9, the connecting protrusion 3 at the other end of a plate-shaped body 1 (right side of the drawing) which is rotated 180 degrees can be fitted into the connecting recess 4 at the other end of another plate-shaped body 1 (left side of the drawing), thereby connecting the plate-shaped bodies 1 together. This allows for the formation of an exterior wall with an even more irregular design where adjacent irregular decorative parts 5 are reversed, creating a novel and unprecedented exterior wall for a building.

[0041] In the diagram, reference numeral 6 indicates fasteners (such as nails or screws) used to secure the exterior wall material (building panel) to the substrate of the building's exterior wall. [Examples]

[0042] A specific embodiment of the present invention, Part 2, will be described with reference to Figures 10 to 16.

[0043] Figure 10 is a perspective view of this embodiment from above, Figure 11 is a front view of this embodiment, Figure 12 is a right side view of this embodiment, and Figure 13 is a bottom view of this embodiment. Furthermore, this embodiment is formed as a long, continuous rectangular metal plate in the vertical direction as shown in Figure 11 (front view). Note that the left side view of this embodiment is omitted because it is shown symmetrically to the right side view (Figure 12), and the top view of this embodiment is omitted because it is shown symmetrically to the bottom view (Figure 13).

[0044] This embodiment is a case in which the shape of the raised decorative strip 2 is different from that of the embodiment 1.

[0045] Specifically, the raised decoration 2 in this embodiment is formed as a raised decoration 2 with a roughly trapezoidal (square) cross-section, having a top surface portion 20B as the top portion 20 that protrudes most to the surface side of the plate-shaped body 1, and inclined side portions 21 that slope steeply from both the left and right sides of the top surface portion 20B toward the back side of the plate-shaped body 1.

[0046] Furthermore, the plate-shaped body 1 is provided with three of the raised decorative strips 2 arranged in parallel in a direction perpendicular to the length direction of the plate-shaped body 1. In addition, of these three raised decorative strips 2, the first raised decorative strip 2A in the center and the second raised decorative strip 2B on the left end (the two adjacent strips on the left side of the drawing) are formed as trapezoidal raised strips of approximately the same shape, while only the third raised decorative strip 2C on the right end is formed as a trapezoidal raised strip that is wider and thicker in the direction perpendicular to the length direction of the plate-shaped body 1 than the first raised decorative strip 2A and the second raised decorative strip 2B.

[0047] In other words, in this embodiment, when the straight line dividing the plate-shaped body 1 into left and right halves is used as the axis of symmetry, an irregular decorative section 5 is provided, which consists of two differently shaped first and third convex decorative sections 2A and 2C arranged adjacent to each other, so that the surface decoration is asymmetrical with respect to this axis of symmetry.

[0048] Then, due to the difference in the thicknesses of the first rib decoration 2A and the third rib decoration 2C, the center position of the top surface portion 20B of the first rib decoration 2A existing in the center and the center position of the top surface portion 20B of the second rib decoration 2B adjacent to one side (left side in the drawing) of the first rib decoration 2A, the adjacent interval L1 therebetween, and the center position of the top surface portion 20B of the first rib decoration 2A and the center position of the top surface portion 20B of the third rib decoration 2C adjacent to the other side of the first rib decoration 2A are set and configured to be different adjacent intervals (such that L1 < L2), whereby the irregular decoration portion 5 in which the three rib decorations 2 are arranged adjacent to each other at different intervals is formed.

[0049] Moreover, in this embodiment, the configuration of the joining convex portion 3 is also different from that of the first embodiment.

[0050] Specifically, both end portions in the direction orthogonal to the length direction of the plate-like main body 1 (the longitudinal edges on the left and right sides of the plate-like main body 1) are folded back to the back side, and these folded-back end portions are configured as the joining convex portion 3.

[0051] Therefore, according to this embodiment, as shown in FIG. 14, by fitting the joining convex portion 3 at one end portion of the plate-like main body 1 (right side in the drawing) into the joining concave portion 4 at the other end side of another plate-like main body 1 (left side in the drawing) as usual, the plate-like main bodies 1 having the irregular decoration portion 5 can be regularly arranged side by side in the horizontal direction to form the outer wall of the building. However, as shown in FIG. 15, the joining convex portion 3 at one end portion of the plate-like main body 1 (right side in the drawing) is fitted into the joining concave portion 4 at one end side of another plate-like main body 1 (left side in the drawing) that has been inverted 180 degrees to connect the plate-like main bodies 1 to each other. Or, as shown in FIG. 16, the joining convex portion 3 at the other end portion of the plate-like main body 1 (right side in the drawing) that has been inverted 180 degrees is fitted into the joining concave portion 4 at the other end side of another plate-like main body 1 (left side in the drawing) to connect the plate-like main bodies 1 to each other, thereby forming an outer wall with an even more irregular design in which the adjacent irregular decoration portions 5 are inverted.

[0052] Other configurations are the same as those of the first embodiment.

[0053] Furthermore, the present invention is not limited to Examples 1 and 2, and the specific configuration of each constituent element can be designed as appropriate. [Explanation of Symbols]

[0054] 1. Plate-shaped body 2. Convex stripe decoration 2A First raised stripe decoration 2B Second raised decoration 2C Third raised decoration 3. Joining protrusion 4 Joining recess 5. Irregular decorative parts 21 Slanted side part L1 Adjacent spacing L2 Adjacent Spacing

Claims

1. A building panel is provided in which a plate-shaped body having multiple raised decorative ridges on its surface has a connecting projection on one end, and a connecting recess into which this connecting projection can be fitted is provided on the other end of the plate-shaped body, and multiple plate-shaped bodies can be connected in a side-by-side configuration by fitting the connecting projection into the connecting recess, The surface of the plate-shaped body is provided with irregular decorative sections in which multiple raised decorative elements are arranged such that the surface decoration is asymmetrical left to right with respect to a line dividing the plate-shaped body horizontally, or with respect to a line dividing the plate-shaped body vertically, multiple raised decorative elements are arranged such that the surface decoration is asymmetrical vertically with respect to a line dividing the plate-shaped body vertically. A building board material characterized in that, on one end of the plate-shaped body, a connecting recess is provided adjacent to the connecting protrusion, and on the other end of the plate-shaped body, a connecting protrusion is provided adjacent to the connecting recess, and the connecting protrusion on one end of the plate-shaped body can be fitted into the connecting recess on one end of another plate-shaped body rotated 180 degrees to connect multiple plate-shaped bodies side by side, and the connecting protrusion on the other end of the plate-shaped body can be fitted into the connecting recess on the other end of another plate-shaped body rotated 180 degrees to connect multiple plate-shaped bodies side by side.

2. The building board material according to claim 1, characterized in that the surface of the plate-shaped body is provided with an irregular decorative section in which two convex decorations of different shapes are arranged adjacently, such that the surface decoration is asymmetrical left to right with respect to the axis of symmetry when the line dividing the plate-shaped body in half horizontally is used as the axis of symmetry, or that the irregular decorative section is provided in which two convex decorations of different shapes are arranged adjacently, such that the surface decoration is asymmetrical vertically with respect to the axis of symmetry when the line dividing the plate-shaped body in half vertically is used as the axis of symmetry.

3. The building board material according to claim 1, characterized in that at least two of the raised decorative strips are provided side by side on the surface of the plate-like body, and these side by side raised decorative strips are formed to have different widths, thereby forming an irregular decorative section in which two raised decorative strips of different shapes are arranged adjacent to each other.

4. At least two of the aforementioned raised decorative strips are arranged side by side on the surface of the plate-shaped body. The building panel material according to claim 1, characterized in that the raised decoration is formed in a shape having an inclined side surface, and the inclined side surfaces of adjacent raised decorations are formed to be of different degrees of inclination, thereby forming an irregular decorative section in which two raised decorations of different shapes are arranged adjacently, or the building panel material according to claim 1, characterized in that adjacent raised decorations are formed as raised stripes of different degrees of protrusion, thereby forming an irregular decorative section in which two raised decorations of different shapes are arranged adjacently.

5. The building board material according to claim 1, characterized in that the surface of the plate-shaped body is provided with irregular decorative sections, in which three of the aforementioned raised decorative sections are arranged adjacently at different intervals, such that the surface decoration is asymmetrical left to right with respect to the axis of symmetry when the line dividing the plate-shaped body in half horizontally is taken as the axis of symmetry, or that the surface decoration is asymmetrical vertically with respect to the axis of symmetry when the line dividing the plate-shaped body in half vertically is taken as the axis of symmetry, such that three of the aforementioned raised decorative sections are arranged adjacently at different intervals.

6. The building board material according to claim 1, wherein at least three of the aforementioned raised decorative elements are provided side by side on the surface of the plate-like body, and the adjacent spacing between the three adjacent raised decorative elements is set such that the adjacent spacing between the first raised decorative element located in the center and the second raised decorative element adjacent to one side of the first raised decorative element is different from the adjacent spacing between the first raised decorative element and the third raised decorative element adjacent to the other side of the first raised decorative element, thereby forming the irregular decorative section in which the three raised decorative elements are arranged adjacently at different intervals.

7. The building plate material according to claim 1, characterized in that the plate-shaped body is made of a metal plate, and the vicinity of one end and the vicinity of the other end of the plate-shaped body are bent into a concave shape that is open on the outside, and these concave bent portions near the one end and the vicinity of the other end are configured as the joining recesses, and the one end and the other end of the plate-shaped body that constitute each of these joining recesses are formed to protrude outward from the joining recesses, and these protruding portions at one end and the other end are configured as the joining protrusions.

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