Roof panel

The roof panel, composed of connected plate materials with decorative frame members, addresses the challenges of weight and design limitations of honeycomb panels by enabling easy transport and construction, while enhancing aesthetic appeal.

JP7717378B2Active Publication Date: 2025-08-04ALFIN CO LTD
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Patent Information

Application Number
JP2021196067
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-12-02
Publication Date
2025-08-04
Estimated Expiration
2041-12-02

AI Technical Summary

Technical Problem

Honeycomb panels used for roofs are heavy and cumbersome, making transportation, handling, and construction at high places difficult, and they lack flexibility for large or complex designs.

Method used

A roof panel composed of multiple connected plate materials with decorative outer frame members that include protruding edges, allowing disassembly and easy transport, and enhancing aesthetic appeal.

Benefits of technology

Facilitates easy transportation, handling, and construction of large roofs with improved aesthetic design possibilities.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

To provide a roof panel which is easy to transport, handle, and work at a high place, and which can give a novel design even to a large-sized small roof.SOLUTION: A roof panel 1 includes: a panel body 2 formed by connecting a plurality of plate members 21, 22 in a width direction; decorative outer frame members 3A, 3B, 3C respectively mounted on a front end face 2a, a left and right end faces 2b, 2c of the panel body 2. The outer frame members 3A, 3B, 3C comprise: a first projecting edge portion 5 projecting outward by a certain width from an upper end side of the end faces 2a, 2b, 2c of the panel body 2; an end plate portion superimposed on the end faces 2a, 2b, 2c of the panel body 2 to be screwed; and a second projecting edge portion 6 projecting outward by a constant width from a lower end side of the end faces 2a, 2b, 2c of the panel body 2.SELECTED DRAWING: Figure 1
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Description

Technical Field

[0001] The present invention relates to a roof panel used as a member constituting a small roof such as an eave.

Background Art

[0002] Conventionally, there is a honeycomb panel as that kind of roof panel. The honeycomb panel is formed by surrounding the side surface of a honeycomb core made of a metal foil with a frame body from four sides, and bonding a bottom plate to the bottom surface and a top plate to the top surface with an adhesive respectively, and the honeycomb core, the frame body, the bottom plate, and the top plate are integrated. The honeycomb core is a honeycomb-like structure having hexagonal cells, and the bottom plate and the top plate are made of an aluminum alloy plate or the like (for example, see Patent Document 1).

[0003] There are various forms of this kind of honeycomb panel. For example, there is a form in which the outer peripheral portions of the top plate and the bottom plate protrude outward from the frame body by the same width. When such a honeycomb panel is used for an eave, for example, on both side surfaces and the front surface, the top plate and the bottom plate protrude outward by a certain width, so the taste of the outer peripheral surface of the eave is enhanced, and the appearance of the entire eave is improved.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, since the above honeycomb panel is an integral unit as a whole, its weight and volume are large, and transportation, handling, and construction work at high places are not easy. Therefore, it is difficult to construct a large roof using the honeycomb panel, and there is a problem that a novel design cannot be given to a particularly large eave.

[0006] The present invention has been made paying attention to the above problems, and an object thereof is to provide a roof panel that is easy to transport, handle, and perform construction work at high places, and can give a novel design even to a large roof.

Means for Solving the Problems

[0007] The roof panel according to the present invention has a panel body formed by connecting a plurality of plate materials in the width direction, and decorative outer frame members respectively attached to at least the left and right end faces of the panel body. The outer frame member includes a first protruding edge portion that protrudes outward by a certain width on the upper end side of the end face of the panel body, an end plate portion that is overlapped with the end face of the panel body and screwed, and a second protruding edge portion that protrudes outward by a certain width on the lower end side of the end face of the panel body.

[0008] In the roof panel according to the present invention, the panel body is not an integral object but is formed by connecting a plurality of plate materials, and decorative outer frame members are attached to each end face of the panel body to form the roof panel. Therefore, the constituent members of the roof panel can be disassembled and carried, and it is easy to transport, handle, and perform construction work at high places. Further, since the first and second protruding edge portions protrude outward from at least the left and right end faces of the panel body, the taste of the outer peripheral surface of the eaves is enhanced.

[0009] In one embodiment of the present invention, the outer frame member is attached to the left and right end faces and the front end face of the panel body respectively. In other embodiments, the outer frame member is attached to the left and right end faces and the front and rear end faces of the panel body respectively.

[0010] In a preferred roof panel of the present invention, the outer frame member further includes a cover plate portion that covers the screwed portion of the end plate portion.

[0011] According to this roof panel, since the screwed portion is covered by the cover plate portion, the screws are not visible from the outside and the aesthetic appearance is not deteriorated.

[0012] In a preferred embodiment, the outer frame member includes a first frame member integrally having an end plate portion and first and second flange portions, and a second frame member having a cover plate portion. The second frame member has a portion that is locked to the lower surface of the first flange portion at the upper end of the cover plate portion, and a portion that is locked to the upper surface of the second flange portion at the lower end of the cover plate portion.

[0013] In another preferred embodiment, the outer frame member includes a first frame member integrally having an end plate portion and a second flange portion, and a second frame member integrally having a first flange portion and a cover plate portion. The second frame member is screwed to a support plate portion integrally formed on the upper end portion of the end plate portion of the first frame member, and the lower edge of the cover plate portion is locked to either the second flange portion or the end plate portion of the first frame member.

[0014] In another roof panel according to the present invention, the outer frame member further includes at least one third flange portion that projects outward by a certain width between the first and second flange portions. Preferably, the outer frame member further includes a cover plate portion that covers the screwing portion of the end plate portion.

[0015] In another roof panel according to the present invention, since the first and second flange portions and at least one third flange portion project outward from at least the left and right end faces of the panel body, a more novel design is imparted, and the taste of the outer peripheral surface of the eaves is enhanced.

[0016] In a preferred embodiment, the outer frame member includes a first frame member integrally having an end plate portion and a second flange portion, and a second frame member integrally having a first flange portion and a cover plate portion. A third flange portion is integrally formed on at least one of the end plate portion of the first frame member and the cover plate portion of the second frame member. The second frame member is screwed to a first support plate portion integrally formed on the upper end portion of the end plate portion of the first frame member, and the lower end portion of the cover plate portion is supported by a second support plate portion integrally formed below the first support plate portion.

Advantages of the Invention

[0017] According to the present invention, since the constituent members of the roof panel can be disassembled and carried, transportation, handling, and construction work at high places are easy, and a novel design can be given even to a large small roof. [[ID=U2]]

BRIEF DESCRIPTION OF THE DRAWINGS

[0018]

Figure 1

Figure 2

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Figure 8

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Figure 10

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Figure 14

MODE FOR CARRYING OUT THE INVENTION

[0019] FIGS. 1 and 2 show a first embodiment of the roof panel 1 of the present invention. FIG. 1 is a view of the roof panel 1 seen from above, and FIG. 2 is a view of the roof panel 1 seen from the front. The roof panel 1 of the figure example is mainly used for eaves, and is composed of a panel body 2 with a horizontally long rectangular planar shape and decorative outer frame members 3A, 3B, and 3C that edge the outer peripheral surface of the panel body 2. The outer frame members 3A, 3B, and 3C are respectively attached over the entire length to the left and right end faces 2b and 2c and the front end face 2a among the four end faces 2a to 2d of the panel body 2.

[0020] The panel body 2 is composed of a plurality of plate materials 21 and 22 of the same length connected in the same direction. In the following description, the direction in which the plate materials 21 and 22 constituting the panel body 2 are connected is referred to as the "width direction" or "left - right direction", and the direction orthogonal to the width direction, that is, the length direction of each plate material 21 and 22 is referred to as the "front - rear direction". Therefore, the outer frame members 3B and 3C are attached to the left and right end faces 2b and 2c of the panel body 2, and the outer frame member 3A is attached to the front end face 2a (hereinafter referred to as the "front end face 2a") of the panel body 2. The rear end face 2d of the panel body 2 (hereinafter referred to as the "rear end face 2d") is open. The rear end portion of the panel body 2 including the rear end face 2d is held by a fixture 4 attached to the outer wall surface of the building.

[0021] As shown in FIGS. 1 and 4, the panel body 2 is composed of a plurality of intermediate plate materials 21 whose side end faces are joined to each other and connected in the width direction, and two side plate materials 22, 22 respectively connected to the outer side surfaces of the intermediate plate materials 21 at both side positions. Each intermediate plate material 21 has first and second engaging pieces 23 and 24 at both side end faces. Each side plate material 22 has either a second engaging piece 24 that engages with the first engaging piece 23 of the intermediate plate material 21 or a first engaging piece 23 that engages with the second engaging piece 24 of the intermediate plate material 21 at the inner side end face. The first and second engaging pieces 23 and 24 can be engaged by sliding one of the adjacent plate materials in the front - rear direction with respect to the other. In the figure, reference numeral 25 denotes a reinforcing rib formed over the entire length at an appropriate position. Each rib 25 is integrally formed with a screw - through hole 26 into which a screw 11 described later can be screwed.

[0022] Each of the outer frame members 3A to 3C has the same form and has a first protruding edge portion 5 and a second protruding edge portion 6. In the roof panel 1 shown in FIGS. 1 and 2, the first protruding edge portion 5 projects outward by a certain width along the upper edge on the upper end sides of the left and right end faces 2b, 2c and the front end face 2a of the panel body 2, and the second protruding edge portion 6 projects outward by a certain width along the lower edge on the lower end sides of the left and right end faces 2b, 2c and the front end face 2a of the panel body 2.

[0023] The first and second protruding edge portions 5 and 6 are horizontal and parallel to each other, and the respective protruding widths d1 and d2 with respect to the end face 2a are set to be the same, but they do not necessarily have to be horizontal and parallel to each other. For example, design changes such as tilting the second protruding edge portion 6 are possible. Also, the protruding widths d1 and d2 of the first and second protruding edge portions 5 and 6 with respect to the end face 2a do not necessarily have to be the same. For example, design changes such as making the protruding width d2 of the second protruding edge portion 6 smaller than the protruding width d1 of the first protruding edge portion 6 are also possible.

[0024] Each of the outer frame members 3A to 3B may further include, for example, as shown in FIG. 3, a third protruding edge portion 9 that projects outward by a certain width between the first and second protruding edge portions 5 and 6. In the embodiment of this figure, only one third protruding edge portion 9 is provided on the end face of the panel body 2, but two or more can also be provided. Further, in the illustrated example, the protruding widths d1 to d3 of the first to third protruding edge portions 5, 6, and 9 are set to be the same, but various design changes are possible, such as setting d1 > d3 > d2 as in the embodiment described later.

[0025] FIG. 5 shows the configuration of the front outer frame member 3A attached to the front end face 2a of the panel body 2. The outer frame member 3A includes the first and second protruding edge portions 5 and 6, an end plate portion 7 that is overlapped with the front end face 2a of the panel body 2 and screwed, and a cover plate portion 8 that covers the screwed portion of the end plate portion 7 from the outside. In this embodiment, the outer frame member 3A is composed of two frame members 31 and 32, but it can also be configured using three or more frame members.

[0026] The first frame member 31 integrally includes an end plate portion 7 and first and second flange portions 5 and 6. The first flange portion 5 is perpendicular to the end plate portion 7 and continuous with the upper end of the end plate portion 7. The second flange portion 6 is also perpendicular to the end plate portion 7 and continuous with the lower end of the end plate portion 7.

[0027] The end plate portion 7 has a contact portion 71 that abuts against the front end face 2a of the panel body 2, and a stepped portion 72 formed continuously below the contact portion 71. In the contact portion 71, screw holes 73 for inserting screws 11 and supporting the screw heads are formed at positions corresponding to the screw through holes 26 of the panel body 2. The stepped portion 72 projects outward and is located away from the front end face 2a of the panel body 2. There is a gap x between the stepped portion 72 and the front end face 2a of the panel body 2. This gap x is for allowing rainwater that has entered the interior of the panel body 2 to flow out to the outside.

[0028] The second frame member 32 constitutes a cover plate portion 8 and covers the screwed portion so that the screws 11 are not visible from the outside. The cover plate portion 8 is provided with first and second protruding pieces 81 and 82 of the same length at the upper and lower ends respectively. The first and second protruding pieces 81 and 82 are horizontal and parallel to each other. At the tips of the protruding pieces 81 and 82, tapered locking portions 81a and 82a having a catching portion are formed over the entire length.

[0029] On the lower surface of the first flange portion 5 of the first frame member 31, a first ridge 51 and a stopper 55 in a form where the locking portion 81a catches are provided protruding. The stopper 55 is aligned with the stepped portion 72 of the end plate portion 7. On the upper surface of the second flange portion 6, a second ridge 61 in a form where the locking portion 82a catches is provided protruding. Although not shown, it is also possible to integrally form one or more third flange portions 9, which will be described later, on the outer surface of the cover plate portion 8.

[0030] Insert the second frame member 32 between the first protruding edge portion 5 and the second protruding edge portion 6 until the tips of the protruding pieces 81 and 82 abut against the stopper 55 and the stepped portion 72, and lock the first and second locking portions 81a and 82a to the first and second protruding ridges 51 and 61, respectively. As a result, the cover plate portion 8 is held in a state of covering the end plate portion 7, and the second frame member 32 and the first frame member 31 are integrated. Note that the first and second frame members 31 and 32 constituting the outer frame members 3A to 3C and the plate members 21 and 22 constituting the panel body 2 are manufactured by extrusion molding of aluminum, achieving overall weight reduction.

[0031] Although not shown, the outer frame members 3B and 3C attached to the left and right end faces 2b and 2c of the panel body 2 also have the same configuration as the front outer frame member 3A shown in FIG. 5, and illustration and detailed description thereof are omitted here. Note that since the end plate portions 7 are abutted against and screwed to the left and right end faces 2b and 2c of the panel body 2 for the left and right outer frame members 3B and 3C, screw holes communicating with the screw holes 73 formed in the end plate portions 7 are formed in the end faces 2b and 2c. Note that the outer frame members 3A to 3C can be composed of only the first frame member 31. In this case, the screwed portion is exposed without being covered. Also, in this embodiment, a third protruding edge portion 9 described later can be integrally formed on the outer surface of the contact portion 71 of the first frame member 31.

[0032] Returning to FIG. 1, the first and second protruding edge portions 5 and 6 of the left and right outer frame members 3B and 3C each have diagonal butting end portions 50 and 60 formed by cutting the front end portions. Also, the first and second protruding edge portions 5 and 6 of the front outer frame member 3A each have diagonal butting end portions 50 and 60 formed by cutting the left and right end portions. By butting the butting end portions 50 and 60 at the front end portions of the left and right outer frame members 3B and 3C and the butting end portions 50 and 60 at both end portions of the front outer frame member 3A, the outer frame member 3A and the outer frame members 3B and 3C are continuous at the corner.

[0033] As shown in FIGS. 6 and 7, the roof panel 1 having the above-described configuration is used for the eave plate 101 that constitutes the eave 100. The configuration of the eave 100 will be described later.

[0034] FIG. 8 shows another embodiment of the outer frame member 3A attached to the front end face 2a of the main body panel 2. Note that the outer frame members 3B and 3C attached to the left and right end faces 2b and 2c of the main body panel 2 also have the same configuration as the outer frame member 3A shown in FIG. 8, and thus the illustration and description thereof are omitted here. Similarly, the illustration and description of the outer frame members 3B and 3C shown in FIGS. 9 and later are also omitted.

[0035] In FIG. 8, the outer frame member 3A is formed by combining a first frame member 31 and a second frame member 32, and includes a first protruding edge portion 5 that protrudes outward by a certain width along the upper edge on the upper end side of the front end face 2a of the panel main body 2, an end plate portion 7 that is overlapped with the front end face 2a of the panel main body 2 and is screwed, a second protruding edge portion 6 that protrudes outward by a certain width along the lower position of the upper edge on the lower end side of the front end face 2a of the panel main body 2, and a cover plate portion 8 that covers the screwed portion of the end plate portion 7 from the outside.

[0036] The first frame member 31 integrally includes the end plate portion 7 and the second protruding edge portion 6. The end plate portion 7 has a contact portion 71 and a stepped portion 72, similar to the embodiment of FIG. 5, and the second protruding edge portion 6 is continuous with the lower end of the stepped portion 72. Screw holes 73 are formed at positions corresponding to the screw through holes 26 of the panel main body 2 in the contact portion 71. A gap x for allowing rainwater inside the panel main body 2 to flow out exists between the stepped portion 72 and the front end face 2a of the panel main body 2.

[0037] A support plate portion 75 that protrudes outward is provided at the upper end portion of the end plate portion 7, and a concave groove 77 is provided between the end plate portion 7 and the support plate portion 75. A plurality of screw holes 76 are formed at regular intervals in the support plate portion 75.

[0038] The second frame member 32 integrally includes a first protruding edge portion 5 and a covering plate portion 8. The covering plate portion 8 is perpendicular to the lower surface of the first protruding edge portion 5. The first protruding edge portion 5 has an engaging edge 52 that engages with the concave groove 77 of the support plate portion 75, and a support hole 53 that supports the head of the screw 12. A hook-shaped locking portion 83 is formed at the lower end edge of the covering plate portion 8. A hook-shaped portion 62 that engages with the locking portion 83 is formed on the upper surface of the second protruding edge portion 7 of the first frame member 32.

[0039] The first protruding edge portion 31 is fixed to the support plate portion 75 by the screw 12, and the locking portion 83 at the lower end of the covering plate portion 8 is locked to the hook-shaped portion 62 on the upper surface of the second protruding edge portion 6, so that the covering plate portion 8 covers the end plate portion 7, and the first frame member 31 and the second frame member 32 are integrated.

[0040] FIGS. 9 and 10 show other embodiments of the outer frame member 3A. In the embodiment of FIG. 9, a protrusion 63 having a rectangular cross-sectional shape protrudes from the upper surface of the second protruding edge portion 6, and the lower end edge of the covering plate portion 8 is locked to the protrusion 63. In the embodiment of FIG. 10, a protrusion 78 having a rectangular cross-sectional shape is formed at the lower end of the stepped portion 72 of the end plate portion 7, and the hook-shaped locking portion 83 formed at the lower end of the covering plate portion 8 is locked to the protrusion 78. In the embodiment of FIG. 10, by inclining the covering plate portion 8 and setting the protruding width d2 of the second protruding edge portion 6 to be smaller than the protruding width d1 of the first protruding edge portion 5, a different design is given compared to the embodiment of FIG. 9.

[0041] In each of the embodiments of FIGS. 9 and 10, the first protruding edge portion 5 is fixed to the support plate portion 75 by the screw 12, and the lower end of the covering plate portion 8 is locked to the protrusion 63 formed on the second protruding edge portion 6 in the embodiment of FIG. 9 and to the protrusion 78 formed on the end plate portion 7 in the embodiment of FIG. 10, respectively, so that the covering plate portion 8 covers the end plate portion 7, and the first frame member 31 and the second frame member 32 are integrated. Note that other configurations are the same as those in the embodiment of FIG. 8, and here, the description is omitted by attaching the same reference numerals to the main configurations.

[0042] FIG. 11 shows still another embodiment of the outer frame member 3A. The outer frame member 3A is formed by combining a first frame member 31 and a second frame member 32, and includes a first protruding edge portion 5 that protrudes outward by a certain width along the upper end edge on the upper end side of the front end surface 2a of the panel body 2, an end plate portion 7 that is overlapped with the front end surface 2a of the panel body 2 and screwed, a second protruding edge portion 6 that protrudes outward by a certain width along the lower position of the lower end edge on the lower end side of the front end surface 2a of the panel body 2, a third protruding edge portion 9 that protrudes outward by a certain width along the intermediate position between the first protruding edge portion 5 and the second protruding edge portion 6, and a cover plate portion 8 that covers the screwed portion of the end plate portion 7 from the outside.

[0043] In this embodiment, the protruding width d1 of the first protruding edge portion 5, the protruding width d3 of the third protruding edge portion 9, and the protruding width d2 of the second protruding edge portion 6 are set in the relationship of d1>d3>d2, but it is not limited thereto, and it may be d1<d3<d2, or d1, d2>d3.

[0044] The first frame member 31 integrally includes the end plate portion 7 and the second protruding edge portion 6. The end plate portion 7 has a contact portion 71 and a stepped portion 72. A first support plate portion 75 is integrally formed at the upper end portion of the contact portion 71, and a second support plate portion 74 is integrally formed at the lower end portion of the contact portion 71 below it. The upper end of the stepped portion 72 is continuous with the second support plate portion 74 and extends obliquely downward. The lower end of the stepped portion 72 is continuous with the second protruding edge portion 6 at an acute angle.

[0045] The second frame member 32 integrally includes the first protruding edge portion 31, the cover plate portion 8, and the third protruding edge portion 9. The cover plate portion 8 is inclined in the same direction as the stepped portion 72 of the end plate portion 7, and the upper end is continuous with the first protruding edge portion 5 at an obtuse angle. The third protruding edge portion 9 is continuous with the lower end of the cover plate portion 8 at an acute angle. The third protruding edge portion 9 is parallel to the first and second protruding edge portions 5 and 6 and extends horizontally outward.

[0046] A hook-shaped locking portion 83 is formed at the lower end of the cover plate portion 8, and a locking groove 70 that can be engaged with the locking portion 83 is formed at the tip of the second support plate portion 74 of the end plate portion 7. In addition, the third protruding edge portion 9 may be formed on the stepped portion 72 of the end plate portion 7, or may be formed on both the stepped portion 72 and the cover plate portion 8.

[0047] The first protruding edge portion 31 is fixed onto the first support plate portion 75 by the screw 12, and the locking portion 83 at the lower end of the covering plate portion 8 is locked into the locking groove 70 of the end plate portion 7, and the covering plate portion 8 covers the abutting portion 71 of the end plate portion 7, so that the first frame member 31 and the second frame member 32 are integrated.

[0048] Figs. 6 and 7 show the appearance and structure of the eaves 100 formed by using the roof panel 1 shown in Fig. 1 as the eaves board 101. In this roof panel 1, the outer frame member 3A shown in Fig. 5 is attached to the front end face 2a of the main body panel 2, and the outer frame members 3B and 3C of the same form are attached to the left and right end faces 2b and 2c respectively.

[0049] The illustrated eaves 100 is installed so as to project from the outer wall of the building, and includes an eaves board 101 using the roof panel 1 shown in Fig. 1, a fixture 4 fixed to the outer wall surface of the building and holding the rear end portion of the eaves board 101 over the entire width, an upper cover 102 covering the fixture 4 from above, and a lower cover 103 covering the fixture 4 from below. Aluminum extrusion profiles are used as the materials for the eaves board 101, the fixture 4, the upper cover 102, and the lower cover 103. In Fig. 6, 104 is an end plate closing the open portions at both ends of the fixture 4.

[0050] The fixture 4 has a back plate portion 40 whose upper and lower positions are fixed to the outer wall surface of the building by a plurality of anchor bolts 105 and 106, and a pair of holding plate portions 41 and 42 that project slightly forward and downward from the front surface of the back plate portion 40 and hold the rear end portion of the eaves board 101 by sandwiching it from above and below. The upper holding plate portion 41 and the lower holding plate portion 42 are parallel to each other, are integrally formed with the back plate portion 40, and have slightly flexibility in the vertical direction.

[0051] The back plate portion 40 and the upper and lower holding plate portions 41 and 42 have a length corresponding to the entire width of the eaves board 101. Bolt insertion holes 43 and 44 into which the anchor bolts 105 and 106 are inserted are provided in a horizontal row at regular intervals above the upper holding plate portion 41 and between the upper and lower holding plate portions 41 and 42 on the back plate portion 40 respectively.

[0052] At a plurality of opposing positions of the upper and lower holding plate portions 41 and 42, bolt through-holes 41a and 42a are provided, and at positions corresponding to the bolt through-holes 41a and 42a at the rear end portion of the eaves plate 101, bolt through-holes 101a and 101b are provided, respectively. Each of the bolt through-holes 41a, 42a and the bolt through-holes 101a, 101b communicate vertically, and a nut 108 is screwed onto the shaft portion of a bolt 107 passed through these holes in series, so that the upper and lower holding plate portions 41 and 42 are slightly bent and the rear end portion of the eaves plate 101 is sandwiched and fixed between the upper and lower holding plate portions 41 and 42.

[0053] In the eaves 100 having the above-described configuration, since the eaves plate 101 is held by the holder 4 in a slightly forward-downward state, rainwater accumulated on the upper surface of the eaves plate 101 is guided forward along the upper surface of the eaves plate 101 and flows down from the tip of the first protruding edge portion 5 of the outer frame member 3A. Rainwater that has entered the hollow interior of the eaves plate 101 flows down inside the eaves plate 101 and flows down through the gap x from the tip of the eaves plate 101.

[0054] FIG. 12 shows a second embodiment of the roof panel 1. This roof panel 1 is also mainly used for eaves, and is composed of a panel body 2 having a horizontally long rectangular planar shape and decorative outer frame members 3B and 3C that edge the outer peripheral surface of the panel body 2. The outer frame members 3B and 3C are attached over the entire length to the left and right end faces 2b and 2c among the four end faces 2a to 2d of the panel body 2, respectively. The panel body 2 has the same configuration as that shown in FIG. 4, and is configured by connecting a plurality of intermediate plate members 21 having the same length and side plate members 2 at both side positions.

[0055] FIG. 13 shows the appearance of the eaves 100 configured using the roof panel 1 shown in FIG. 12. Note that the eaves 100 includes those in which the outer frame members 3B and 3C are retrofitted to an existing eaves. The illustrated eaves 100 are installed so as to project from the outer wall surface of the building, and include an eaves board 101 made of the roof panel 1 shown in FIG. 12, a fixture 4 fixed to the outer wall surface of the building and holding the rear end portion of the eaves board 101 over the entire width, and a front edge board 110 attached over the entire length to the front edge of the eaves board 101. Note that the configuration of the fixture 4 is the same as that of the embodiment shown in FIG. 7. Also, the front edge board 110 can be of various forms, and the description thereof is omitted here.

[0056] FIG. 14 shows a third embodiment of the roof panel 1. This roof panel 1 is mainly used for small roofs other than eaves, and outer frame members 3A, 3B, 3C, and 3D are attached over the entire length to the front end face 2a, the left and right end faces 2b, 2c, and the rear end face 2d of the panel body 2, respectively. The panel body 2 is configured by connecting a plurality of intermediate plate members 21 and side plate members 22 on both sides, similar to the above-described embodiments.

[0057] In each of the above-described embodiments, the panel body 2 is not an integral body but is configured by connecting a plurality of plate members 21 and 22, and decorative outer frame members 3A to 3D are attached to the end faces 2a to 2d of the panel body 2 to form the roof panel 1. Therefore, the roof panel 1 can be disassembled into the plate members 21, 22 and the outer frame members 3A to 3D and carried, and transportation, handling, and construction work at high places are easy. Also, since the first and second protruding edge portions 5 and 6, and further the third protruding edge portion 9 protrude outward from the outer peripheral surface of the panel body 2, the taste of the outer peripheral surface of a small roof such as an eaves is enhanced, and the appearance of the entire small roof is improved.

Explanation of Reference Numerals

[0058] 1 Roof panel 2 Panel body 2a, 2b, 2c, 2d End faces 3A, 3B, 3C, 3D Outer frame members 5 First protruding edge portion 6 Second protruding edge portion 7 End plate portion 8 Cover plate portion 9 Third protruding edge 11, 12 Screws 21 Intermediate plate material 22 Side plate material 31 First frame member 32 Second frame member 74, 75 Support plate part 100 Eaves

Claims

1. A panel body formed by connecting a plurality of plate materials in the width direction, and decorative outer frame members respectively attached to at least the left and right end faces of the panel body, The outer frame member includes a first protruding edge portion that protrudes outward by a certain width on the upper end side of the end face of the panel body, an end plate portion that is overlapped on the end face of the panel body and screwed, and a second protruding edge portion that protrudes outward by a certain width on the lower end side of the end face of the panel body, and is a roof panel.

2. The outer frame member is the roof panel according to Claim 1, which is respectively attached to the left and right end faces and the front end face of the panel body.

3. The outer frame member is the roof panel according to Claim 1, which is respectively attached to the left and right end faces and the front and rear end faces of the panel body.

4. The outer frame member further includes a cover plate portion that covers the screwed portion of the end plate portion, and is the roof panel according to any one of Claims 1 to 3.

5. The outer frame member includes a first frame member integrally having the end plate portion and the first and second protruding edge portions, and a second frame member having the cover plate portion, The second frame member has a portion locked to the lower surface of the first protruding edge portion at the upper end of the cover plate portion, and a portion locked to the upper surface of the second protruding edge portion at the lower end of the cover plate portion, and is the roof panel according to Claim 4.

6. The outer frame member includes a first frame member integrally having the end plate portion and the second protruding edge portion, and a second frame member integrally having the first protruding edge portion and the cover plate portion, The second frame member is screwed to a support plate portion integrally formed at the upper end portion of the end plate portion of the first frame member, and has a portion locked to either the second protruding edge portion or the end plate portion of the first frame member at the lower end edge of the cover plate portion, and is the roof panel according to Claim 4.

7. The outer frame member further includes at least one third protruding edge portion that protrudes outward by a certain width between the first protruding edge portion and the second protruding edge portion, and is the roof panel according to any one of Claims 1 to 3.

8. The outer frame member further includes a cover plate portion that covers the screwed portion of the end plate portion, and is the roof panel according to Claim 7.

9. The outer frame member includes a first frame member integrally having the end plate portion and the second protruding edge portion, and a second frame member integrally having the first protruding edge portion and the cover plate portion, and the third protruding edge portion is integrally formed on at least one of the end plate portion of the first frame member and the cover plate portion of the second frame member. The second frame member is screwed and fixed onto a first support plate portion where the first protruding edge portion is integrally formed at an upper end portion of an end plate portion of the first frame member, and a lower end portion of the covering plate portion is supported by a second support plate portion integrally formed below the first support plate portion. The roof panel according to claim 8.

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