JP2016037826A - tile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a step difference from being formed between surfaces of tiles adjacent in the direction toward the ridge side from the eaves edge side.SOLUTION: A tile 1 comprises a tile body 2, a tail part underlap 10 provided on the ridge side of the tile body 2, a head part overlap 20 provided on the eaves edge side of the tile body 2, a side part overlap 40 provided on the right side of the tile body 2, a side part underlap 30 provided nearer to the reverse side than a reverse surface of the side part overlap 40 on the left side of the tile body 2, an exposure surface 3 formed on a surface of the tile body 2 and reaching up to the edge of the right side of the side part overlap 40 and the edge on the eaves edge side of the head part overlap 20, a first inclined plane 11 formed on a surface of the tail part underlap 10, continuing with the ridge side from the edge on the ridge side of the exposure surface 3 and inclined so as to form an internal angle of an obtuse angle to the exposure surface 3 and a second inclined plane 22 formed on a reverse surface of the head part overlap and inclined so as to form an internal angle of an acute angle to the exposure surface 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a roof tile.

  Patent Documents 1 and 2 disclose staggered flat roof tiles.

JP 2005-83909 A JP 2006-188900 A

  In the techniques described in Patent Literatures 1 and 2, since the flat roof tile has a thickness, a step is formed between the surfaces of the flat roof tiles adjacent to each other in the direction from the eaves side to the ridge side.

  Therefore, the problem to be solved by the present invention is to prevent a step from being formed between the surfaces of tiles adjacent to each other in the direction from the eaves side to the ridge side.

  The invention according to claim 1 for solving the above-mentioned problem is that, for example, as shown in FIGS. 1 and 2, etc., in a tile 1 installed on a roof, a tile body 2 and a ridge side of the tile body 2 A bottom overlap 10 provided on the eaves side, a head overlap 20 provided on the eaves side of the roof tile body 2, a side overlap 40 provided on one side of the roof tile body 2 in the lateral direction, On the other side in the horizontal direction of the tile main body 2, the side underlap 30 is provided closer to the back side than the back surface of the side overlap 40, and the side of the side overlap 40 is formed on the surface of the tile main body 2. The exposed surface 3 extending to the edge on one side of the direction and the edge of the eaves side of the head overlap 20 and the surface of the bottom underlap 10 are formed on the ridge side from the ridge side edge of the exposed surface 3 To the exposed surface 3 A first inclined surface 11 inclined so as to form an inner angle of the head, and a second inclined surface 22 formed on the back surface of the head overlap 20 and inclined so as to form an acute inner angle with respect to the exposed surface 3, It is the roof tile 1 characterized by providing.

When the tile 1 is installed on the roof, the bottom underlap 10 of the tile 1 is arranged such that the first inclined surface 11 of the tile 1 is in contact with the second inclined surface 22 of the tile 1 adjacent to the building. The head overlap 20 of the tile 1 adjacent to the ridge side is overlaid on the top. The first inclined surface 11 of the tile 1 is inclined with respect to the exposed surface 3 of the tile 1, and the second inclined surface 22 of the tile 1 adjacent to the ridge side is inclined with respect to the exposed surface 3 of the tile 1 adjacent to the ridge side. Therefore, the exposed surface 3 of the roof tile 1 and the exposed surface 3 of the roof tile 1 adjacent to the building can be arranged on the same plane. Moreover, the edge on the ridge side of the exposed surface 3 of the tile 1 and the edge on the eaves side of the exposed surface 3 of the tile 1 adjacent to the ridge side can be brought closer. Therefore, the continuity between the exposed surface 3 of the tile 1 and the exposed surface 3 of the tile 1 adjacent to the ridge is improved, and the exposed surface 3 of the tile 1 and the exposed surface 3 of the tile 1 adjacent to the ridge are continuous. Looks like a face.
When the first inclined surface 11 of the roof tile 1 and the second inclined surface 22 of the roof tile adjacent to the ridge 1 come into contact with each other, the water is over the bottom portion of the roof 1 of the roof tile 1 and the roof of the roof tile 1 adjacent to the roof. Intrusion into the back side of the wrap 20 can be suppressed.
The side overlap 40 of the tile 1 is overlapped on the side underlap 30 of the tile 1 adjacent to one side in the horizontal direction. Then, since the side part underlap 30 of the tile 1 adjacent to the one side in the horizontal direction is provided closer to the back side than the back surface of the side overlap 40 of the tile 1, the exposed surface 3 of the tile 1 and the one side in the horizontal direction. The exposed surface 3 of the tile 1 adjacent to the side can be arranged on the same plane.

  The invention according to claim 2 is the roof tile 1 according to claim 1, for example, as shown in FIGS. 1 and 2, wherein the first inclined surface 11 and the second inclined surface 22 are parallel to each other. It is the roof tile 1 characterized by being.

  According to the invention of claim 2, the first inclined surface 11 of the roof tile 1 is brought into contact with the second inclined surface 22 of the roof tile adjacent to the roof 1 so that the top underlap 10 of the roof tile 1 is When the head overlap 20 of the tile 1 adjacent to the ridge is overlapped with the roof, the continuity between the exposed surface 3 of the tile 1 and the exposed surface 3 of the tile 1 adjacent to the ridge is improved, and the exposed surface 3 of the tile 1 is increased. And the exposed surface 3 of the tile 1 adjacent to the ridge side looks like a continuous surface.

  The invention according to claim 3 is the roof tile 1 according to claim 1 or 2, as shown in FIGS. 1 and 2, for example, wherein the exposed surface 3 is provided flat. It is a tile 1.

  According to the invention which concerns on Claim 3, when the some roof tile 1 is arranged in a grid | lattice form, the exposed surface 3 of these roof tiles 1 looks like the continuous plane.

  The invention according to claim 4 is the roof tile 1 according to any one of claims 1 to 3, as shown in FIGS. 1 and 2, for example, and includes the exposed surface 3 and the first inclined surface 11. Α [°] is defined as α [°], and the slope of the roof with respect to the horizontal plane as β [°], α [°] ≧ 180 [°] −β [°] is satisfied. The tile 1

  According to the invention which concerns on Claim 4, when the tile 1 is installed in a roof, the 1st inclined surface 11 inclines downward toward the eaves side. Therefore, it can suppress that water penetrate | invades into the back side of the head overlap 20 adjacent on the ridge side.

  The invention according to claim 5 is the roof tile 1 according to any one of claims 1 to 4, for example, as shown in FIGS. 1 and 2, and the lateral direction of the back surface of the head overlap 20. A fitting recess 23 provided on one side; and a fitting portion 50 provided on one side of the roof tile 2 in the lateral direction and on the corner on the ridge side, and the surface of the fitting portion 50 is The roof tile 1 is located behind the exposed surface 3.

  According to the invention which concerns on Claim 5, when the head overlap 20 of the tile 1 adjacent to the ridge side is piled up on the bottom part underlap 10 of the said tile 1, the fitting part 50 of the said tile 1 will be adjacent to the ridge side. Is fitted into the fitting recess 23 of the tile 1, and the assembly of the tile 1 and the tile 1 adjacent to the ridge is stabilized.

  The invention according to claim 6 is, for example, as shown in FIG. 1 and FIG. 2, in the roof tile 1 according to claim 5, the counterbore part 53 formed on the back side of the fitting part 50, and the roof body 2. A clamped piece 60 provided at a corner on the other side in the lateral direction and the eaves side, and the clamped piece 60 is closer to the front side than the ridge side portion on the surface of the side underlap 30 and the fitting is performed. The roof tile 1 is provided closer to the back side than the back side of the joint portion 50.

  According to the invention which concerns on Claim 6, the head overlap 20 of the roof tile 1 adjacent to the ridge side is piled up on the bottom part underlap 10 of the roof tile 1, and the side overlap 40 of the roof tile 1 is one side in the horizontal direction. It overlaps on the side underlap 30 of the tile 1 adjacent to the side, and overlaps the head of the tile 1 on the side of the tile 1 adjacent to the side of the tile 1 on the one side in the horizontal direction and diagonally adjacent to the ridge side. If 20 is piled up, the fitting part 50 of the said tile 1 will fit in the fitting recessed part 23 of the tile 1 adjacent to the ridge side. Furthermore, the ridge side part of the side underlap 30 adjacent to one side in the horizontal direction is accommodated in the counterbore part 53 of the roof tile 1. Further, the sandwiching piece of the tile 1 on the one side in the horizontal direction and diagonally adjacent to the ridge is sandwiched between the fitting portion 50 of the tile 1 and the ridge side portion of the side underlap 30 on the one side in the horizontal direction. Therefore, the assembly of these four tiles 1 that are adjacent vertically and horizontally is stable.

  The invention according to claim 7 is, for example, as shown in FIG. 1 and FIG. 2, in the roof tile 1 according to claim 6, the surface of the side underlap 30 is protruded at the edge on the other side in the lateral direction. The roof tile 1 is further provided with a side water return 33, and the sandwiched piece 60 continues from the end of the side underlap 30 on the eaves side to the eaves side.

According to the seventh aspect of the present invention, it is possible to prevent the water on the side underlap 30 from being blocked by the side water return 33 and leaking the water to the back side of the side underlap 30.
Further, water on the side underlap 30 flows onto the sandwiched piece 60 and further flows onto the side underlap 30 of the roof tile 1 adjacent to the eaves side and falls.

  The invention according to claim 8 is the roof tile 1 according to claim 7, for example, as shown in FIG. 1 and FIG. A step surface 12 extending from the side edge to the ridge side and forming a step with the exposed surface 3; and a bottom water return 13 projecting from the ridge side edge of the step surface 12 The other side in the horizontal direction of the step surface 12 and the ridge side of the surface of the side underlap 30 continue, and the other side in the horizontal direction of the bottom water return 13 and the ridge side of the side water return 33 continue. It is the roof tile 1 characterized by having.

  According to the eighth aspect of the present invention, even if the water on the exposed surface 3 enters the step surface 12 through the gap on the first inclined surface 11, the water is blocked by the bottom water return 13. . Then, the water on the step surface 12 flows on the side underlap 30. The water on the side underlap 30 is blocked by the side water return 33 as in the case of the invention according to claim 7, and further, the side underside of the roof tile 1 adjacent to the eaves side from the sandwiched piece 60. It flows down on the wrap 30 and falls.

  The invention according to claim 9 is, for example, as shown in FIG. 1 and FIG. 2, in the roof tile 1 according to claim 8, the stand 1 erected on the step surface 12 on one side in the lateral direction of the step surface 12. The roof tile 1 further includes a wall 54.

  According to the invention of claim 9, the water on the step surface 12 is blocked by the standing wall 54. Therefore, it is possible to prevent water from leaking to the back side of the bottom underlap 10.

  The invention according to claim 10 is characterized in that, in the roof tile 1 according to claim 9, for example, as shown in FIGS. 1 and 2, the other side in the lateral direction of the bottom water return 13 continues to the standing wall 54. The tile 1

  According to the invention which concerns on Claim 10, it can prevent that water leaks to the back side of the bottom part underlap 10. FIG.

According to the present invention, the first inclined surface of the tile is brought into contact with the second inclined surface of the tile adjacent to the ridge having the same structure as the tile, and the ridge side adjacent to the bottom underlap of the tile. When overlapping the tile head overlap, there is no step between the exposed surface of the tile and the exposed surface of the adjacent tile on the ridge side, and the exposed surface of the tile and the exposed surface of the adjacent tile on the ridge side are continuous. It looks like a polished surface.
When the side overlap of the tile is overlapped on the side underlap of the tile adjacent to one side in the horizontal direction of the same structure as the tile, the exposed surface of the tile and the exposed surface of the tile adjacent to the one side in the horizontal direction There is no step between them, and the exposed surface of the tile 1 and the exposed surface of the tile adjacent to one side in the horizontal direction appear to be a continuous surface.

It is a perspective view of the front side of the roof tile which concerns on embodiment of this invention. It is a perspective view of the back side of the tile. It is a top view of the front side of the roof tile. It is a bottom view of the back side of the tile. It is a front view of the tile. It is a rear view of the tile. It is a left view of the same roof tile. It is a right view of the same roof tile. It is a top view for demonstrating the state which arranged the same roof tile in multiple sheets. It is a top view for demonstrating the state which arranged the same roof tile in multiple sheets. It is an enlarged view of the XI area | region shown in FIG. It is an end elevation of the XII-XI cutting part shown in FIG. It is an end elevation of the XIII-XIII cutting part shown in FIG. It is a longitudinal cross-sectional view of an outer wall.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated using drawing. However, the embodiments described below are given various technically preferable limitations for carrying out the present invention. Therefore, the technical scope of the present invention is not limited to the following embodiments and illustrated examples.

  FIG. 1 is a perspective view showing the front side of the flat roof tile 1. FIG. 2 is a perspective view showing the back side of the flat roof tile 1. FIG. 3 is a plan view showing the flat roof tile 1 when viewed from the front side, FIG. 4 is a bottom view of the flat roof tile 1 when viewed from the back side, and FIG. 5 shows the flat roof tile 1 when viewed from the eaves side. FIG. 6 is a rear view of the flat roof tile 1 when viewed from the ridge side, FIG. 7 is a left side view of the flat roof tile 1, and FIG. 8 is a right side view of the flat roof tile 1.

  This flat roof tile 1 is a roof tile and a roof tile. When the flat roof tiles are laid on the roof so that a plurality of flat roof tiles provided in the same manner as the flat roof tile 1 are arranged in a lattice pattern, the flat roof tiles adjacent in the vertical direction are horizontal. It means that flat tiles that are not displaced in the direction and that are adjacent in the horizontal direction are not displaced in the vertical direction. Here, the vertical direction is a direction from the roof ridge toward the eaves or vice versa, and the horizontal direction is a direction orthogonal to the vertical direction when viewed in a direction perpendicular to the roof. The horizontal direction is sometimes referred to as the left-right direction. In this case, the left and right are defined as viewed from the eaves toward the building.

  A tile body 2 of the flat tile 1 is provided in a plate shape. Then, when the roof tile body 2 is projected from the front side of the roof tile body 2, the roof tile body 2 is formed in a shape that approximates a square or a rectangle (see the plan view of FIG. 3).

  A bottom underlap 10 is provided on the ridge side (butt side) of the roof tile body 2, a head overlap 20 is provided on the eaves side (head side) of the roof tile body 2, and a left side of the roof tile body 2 is provided. A side underlap 30 is provided, and a side overlap 40 is provided at the right portion of the roof tile body 2. A sandwiched piece 60 is provided on the eaves side and the left corner of the roof tile body 2, and a fitting portion 50 is provided on the bottom side and the right corner of the roof tile body 2. The side underlap 30 and the sandwiched piece 60 are located behind the back surface 41 of the side overlap 40.

  The tile main body 2 includes a central portion of the tile main body 2 and a bottom underlap 10, a side underlap 30, a sandwiched piece 60, which are disposed around the central portion so as to surround the central portion of the tile main body 2. The head overlap 20, the side overlap 40, and the fitting portion 50 are included. Accordingly, the center portion of the roof tile body 2 is the bottom underlap 10, the side underwrap 30, the sandwiched piece 60, the head overlap 20, the side overlap 40, and the fitting portion 50 of the roof tile 2. Refers to the part other than.

  When a plurality of flat roof tiles 1 are laid on the roof so as to be arranged in a lattice pattern, the bottom underlap 10 overlaps the back side of the head tile overlap of the flat roof adjacent to the building. The head overlap 20 overlaps the front side of the bottom tile underlap of the flat roof adjacent to the eaves side. The side underlap 30 overlaps the back side of the side overlap of the flat tile on the left. The side overlap 40 overlaps the front side of the side underlap of the flat roof adjacent to the right. The fitting part 50 overlaps the back side of the right part of the head tile overlap of the flat tile adjacent to the ridge side. Furthermore, the fitting part 50 overlaps the front side of the left part of the sandwiched piece of the flat roof adjacent to the ridge side right diagonally and the bottom underlap of the right adjacent flat roof. The to-be-clamped piece 60 overlaps the front side of the left part of the bottom part underlap of the flat roof tile adjacent to the eaves side. Further, the sandwiched piece 60 overlaps with the fitting portion of the flat roof tile adjacent to the eaves side on the left side and the back side of the right portion of the head overlap of the left adjacent flat roof tile.

A planar exposed surface 3 is formed on the front side of the tile body 2. The exposed surface 3 is formed in a square or a rectangle when projected from above (see the plan view of FIG. 3). The exposed surface 3 occupies most of the surface on the front side of the roof tile body 2. Specifically, the exposed surface 3 occupies the center side of the roof tile body 2, the front side surface of the side overlap 40 and the head overlap 20. The exposed surface 3 extends from the center portion of the roof tile body 2 to the right edge of the side overlap 40 and also extends from the center portion of the roof tile body 2 to the edge of the head overlap 20 on the eaves side. That is, the side overlap 40 is continuous from the center of the roof tile body 2 to the right side, the head overlap 20 is continuous from the center of the roof tile body 2 to the eaves side, and the side overlap 40 is the head overlap 20. Of the head overlap 20 and the side overlap 40 constitute a part of the exposed surface 3, and the front surface of the central portion of the roof tile body 2 is exposed. Constitutes the remaining part of surface 3;
Since the exposed surface 3 is formed in a square or a rectangle, the right edge of the exposed surface 3 (the right edge 43 of the side overlap 40) is parallel to the left edge 8 of the exposed surface 3, and the ridge side of the exposed surface 3 (The boundary line 9 between the exposed surface 3 and the first inclined surface 11 described later) is parallel to the edge on the eaves side of the exposed surface 3 (the edge on the eaves side of the head overlap 20).
When the exposed surface 3 is formed in a rectangular shape, the exposed surface 3 may be horizontally long or vertically long.

  The exposed surface 3 does not reach the side underlap 30, the bottom underlap 10, the fitting portion 50, and the sandwiched piece 60. That is, the portion of the roof tile body 2 from the left edge of the exposed surface 3 to the left edge of the roof tile body 2 is the side underlap 30 and the sandwiched piece 60. The part to the edge on the ridge side is the bottom underlap 10 and the fitting part 50.

  The ridge side end of the side underlap 30 is connected to the left portion 19 of the bottom underlap 10, and the side underlap 30 continues from the left portion 19 to the eaves side. The sandwiched piece 60 is continuous from the eaves side end of the side underlap 30 to the eaves side. When the roof tile body 2 is projected from the front side of the roof tile body 2, the bottom underwrap 10, the side underwrap 30, and the sandwiched piece 60 form an L shape.

A first inclined surface 11 and a step surface 12 are formed on the front side of the bottom underlap 10.
The first inclined surface 11 is a surface that continues from the edge of the exposed surface 3 on the ridge side to the ridge side. The first inclined surface 11 is a surface inclined downward from the edge on the ridge side of the exposed surface 3 toward the ridge side, and an inner angle sandwiched between the exposed surface 3 and the first inclined surface 11 is an obtuse angle. Here, the interior angle refers to a small angle (subordinate angle) among the conjugate angles formed by the exposed surface 3 and the first inclined surface 11 in a cross section orthogonal to the exposed surface 3 and the first inclined surface 11.
The step surface 12 is a flat surface extending from the ridge side edge of the first inclined surface 11 to the ridge side. The step surface 12 is parallel to the exposed surface 3 and is inclined with respect to the first inclined surface 11. There is a step between the step surface 12 and the exposed surface 3, the step surface 12 is one level lower than the exposed surface 3, and the step surface 12 is located closer to the back side than the exposed surface 3.

At the ridge side edge of the surface of the bottom underlap 10, a bottom water return 13 is provided in a protruding state. The bottom water return 13 is formed in a strip shape along the ridge side edge of the bottom underlap 10. The bottom water return 13 does not protrude beyond the exposed surface 3, the top of the bottom water return 13 is at a position higher than the step surface 12, and there is a step between the top of the bottom water return 13 and the step surface 12. is there. Further, the top of the bottom water return 13 is at a position lower than the exposed surface 3. The part formed in the left part 19 of the bottom part underlap 10 among the bottom part water return 13 protrudes lower than the part on the right side.
A plurality of recesses 14 are formed in the bottom water return 13, and these recesses 14 are arranged in the lateral direction with an interval therebetween. The bottom of the recess 14 is located higher than the step surface 12, and there is a step between the bottom of the recess 14 and the step surface 12.

  A plurality of convex portions 15 are formed at the corners sandwiched between the step surface 12 and the first inclined surface 11, and the through hole 16 penetrates from the top of the convex portion 15 to the back surface of the bottom underlap 10. When the flat roof tile 1 is installed, a fastener such as a nail, a screw, or a screw is passed through the through hole 16, and the roof tile body 2 is fixed by the fastener.

  When the roof tile body 2 is viewed from the back side, a flat contact surface 17 is formed on the back side of the bottom underlap 10. The contact surface 17 is parallel to the step surface 12 and the exposed surface 3. When the flat roof tile 1 is installed, the bottom underlap 10 is placed on the horizontal rail member laid on the roof, and the contact surface 17 contacts the horizontal rail member.

  A plurality of stoppers 18 are provided in a protruding state at the edge of the rear side of the bottom underlap 10 on the ridge side. These stoppers 18 are arranged along the ridge side edge of the bottom underlap 10 with a space therebetween. When the flat roof tile 1 is installed, the stopper 18 is hooked on the crosspiece laid on the roof.

  When the roof tile body 2 is viewed from the front side, a standing wall 54 is provided at the right end of the step surface 12. The standing wall 54 protrudes from the right end of the step surface 12 and is provided in a state where it stands with respect to the step surface 12. The eaves side end of the standing wall 54 is connected to the first inclined surface 11, and the standing wall 54 extends from the first inclined surface 11 to the ridge side. The end of the standing wall 54 on the ridge side is connected to the right end of the bottom water return 13.

  The left end of the fitting portion 50 is connected to the upper end of the standing wall 54, and the fitting portion 50 extends from the upper end of the standing wall 54 to the right side. Moreover, the eaves edge side edge part of the fitting part 50 is connected to the 1st inclined surface 11, and the fitting part 50 is extended from the 1st inclined surface 11 to the ridge side. The surface 51 of the fitting part 50 is located closer to the front side than the step surface 12 of the bottom portion underlap 10, and there is a step between the surface 51 and the step surface 12. Further, the front surface 51 of the fitting part 50 is located closer to the back side than the exposed surface 3, and there is a step between the front surface 51 and the exposed surface 3.

  When the roof tile body 2 is viewed from the back side, a counterbore part 53 is formed on the back side of the fitting part 50. The back surface 52 of the fitting portion 50 (the bottom surface of the counterbore portion 53) is positioned closer to the front side than the contact surface 17, and there is a step between the back surface 52 and the contact surface 17.

A planar water surface 31 is formed on the surface of the side underlap 30. The flowing water surface 31 continues from the left part of the step surface 12 of the bottom underlap 10 to the eaves side. The water surface 31 is inclined upward toward the eaves side. Therefore, the flowing water surface 31 is inclined with respect to the step surface 12 and the exposed surface 3, and the inner angle between the flowing water surface 31 and the step surface 12 is an obtuse angle. The gradient of the flowing water surface 31 with respect to the exposed surface 3 is gentler than the gradient of the first inclined surface 11 with respect to the exposed surface 3.
The back surface 32 of the side underlap 30 is provided in parallel to the flowing water surface 31.

  On the left edge of the surface of the side underlap 30, a side water return 33 is provided in a protruding state. The side water return 33 is formed in a strip shape along the left edge of the side underlap 30. The end of the side water return 33 on the ridge side is connected to the left end of the bottom water return 13, and the bottom water return 13 and the side water return 33 form an L shape. The side water return 33 does not protrude from the exposed surface 3, and the top of the side water return 33 is at a position lower than the exposed surface 3.

A flowing water surface 61 is formed on the front side of the sandwiched piece 60. There is a step between the water surface 61 and the water surface 31 of the side underlap 30, the water surface 61 is located one level lower than the water surface 31, and the water surface 61 is located closer to the back side than the water surface 31. To do. The water surface 61 continues to the eaves side of the water surface 31 through a step with the water surface 31. The flowing water surface 61 is parallel to the exposed surface 3 and the step surface 12. The back surface 62 of the sandwiched piece 60 is parallel to the flowing water surface 61.
The sandwiched piece 60 is located closer to the front side than the ridge side portion of the water surface 31 of the side underlap 30. Further, the sandwiched piece 60 is located closer to the back side than the back surface 52 of the fitting portion 50.

  No water return is formed on the left edge of the surface of the sandwiched piece 60. However, the water return may be formed in a state of protruding to the left edge of the surface of the sandwiched piece 60 due to the design change, and the water return may continue from the eave end side end portion of the side water return 33 to the eave side.

A plurality of ribs 4 are formed on the back surface of the roof tile body 2. These ribs 4 are provided so as to protrude from the back surface of the roof tile body 2. The ribs 4 are provided in a strip shape so as to extend in the vertical direction, and the ribs 4 are arranged in the horizontal direction with a space therebetween. The tile body 2 is reinforced by the ribs 4. Moreover, since the space between the ribs 4 is a depression, the weight of the flat roof tile 1 is reduced.
The end of the rib 4 on the ridge side is connected to the bottom underlap 10, the top surface 5 of the rib 4 is continuous from the edge of the eaves side of the abutment surface 17 of the bottom underlap 10 to the eaves side, and the top surface 5 of the rib 4 The contact surface 17 is flush.
A portion on the eaves side of the rib 4 protrudes lower than a portion on the ridge side, and a step surface 6 is formed at a portion on the eaves side of the rib 4, and a step is formed between the top surface 5 and the step surface 6 of the rib 4. There is.

  A second inclined surface 22 is formed in a portion near the edge of the eaves side on the back surface of the head overlap 20. The second inclined surface 22 continues to the end surface on the eaves side of the rib 4. The second inclined surface 22 is inclined with respect to the exposed surface 3, the corner of the head overlap 20 is sandwiched between the second inclined surface 22 and the exposed surface 3, and the exposed surface 3 and the second inclined surface 22. The inner angle between the two is an acute angle. The second inclined surface 22 and the first inclined surface 11 are parallel to each other.

  The right side 29 of the head overlap 20 and the back surface 41 of the side overlap 40 are located closer to the front side than the contact surface 17 of the bottom underlap 10, and there is a step between the back surface 41 and the contact surface 17. . The back surface 41 is located closer to the front side than the back surface 52 of the fitting portion 50, and there is a step between the back surfaces 41 and 52. Further, the back surface 41 is located closer to the front side than the back surface 32 of the side underlap 30.

  The thickness of the side overlap 40, that is, the thickness from the surface (exposed surface 3) to the back surface 41 of the side overlap 40 is thicker than the thickness from the exposed surface 3 to the contact surface 17.

  A rectangular fitting recess 23 is formed on the back surface 41 of the side overlap 40. The position where the fitting recess 23 is formed is the back side of the side overlap 40 near the eaves and the back side of the right part 29 of the head overlap 20. The end of the fitting recess 23 on the eaves side opens at the second inclined surface 22. The right end of the fitting recess 23 does not open, and a standing wall 24 is provided at the right end of the fitting recess 23.

  With reference to FIG. 9 to FIG. 13, a state in which a plurality of flat roof tiles 1 are scored on the field board 80 will be described. FIG. 9 and FIG. 10 are plan views of four flat roof tiles 1 among the plurality of flat roof tiles 1. FIG. 11 is an enlarged view of the XI region shown in FIG. 12 is an end view of the XII-XI cutting section shown in FIG. FIG. 13 is an end view of the XIII-XIII cutting section shown in FIG.

  9 to 13, “A” is added to the reference numerals of a certain flat roof tile 1 and its constituent elements among the plurality of flat roof tiles 1 arranged in a lattice pattern, and the flat roof on the left side of the flat roof tile 1A is added. “B” is added to the signs of the tile 1 and its constituent elements, “C” is added to the signs of the flat tile 1 adjacent to the ridge side of the flat tile 1A and its constituent elements, and the ridge side of the flat tile 1A and “D” is added to the reference signs of the flat roof tile 1 and its constituent elements on the left side. In FIG. 11, illustration of the flat roof tile 1A and the flat roof tile 1D is omitted.

  As shown in FIG. 12, a plurality of horizontal crosspieces 85 are laid on the base plate 80 so as to extend in the horizontal direction, and these horizontal crosspieces 85 are provided in parallel to each other with an interval therebetween. A plurality of flat roof tiles 1 are arranged in a row along the horizontal rail member 85 per one horizontal rail member 85, and a plurality of flat roof tiles 1 are arranged in a lattice shape as a whole (FIGS. 9, 10 and 10). (See FIG. 12).

  The direction and arrangement of each flat roof tile 1 will be described. The back surface of the tile body 2 is directed to the base plate 80, the front surface of the tile body 2 is directed upward, the bottom underlap 10 is directed toward the ridge side, and the head overlap 20 is directed toward the eaves side (FIG. 9). And FIG. 10). Then, the bottom underlap 10 is placed on the horizontal crosspiece 85, the contact surface 17 of the bottom underlap 10 abuts against the horizontal crosspiece 85, and the stopper 18 is caught on the horizontal crosspiece 85 from the ridge side (FIG. 12). reference). A fastener such as a nail, a screw, or a screw is passed through the through-hole 16, and the roof tile body 2 is fixed to the crosspiece 85 by the fastener.

  As shown in FIG. 12, the exposed surface 3 is provided in parallel to the field plate 80. The contact surface 17 is provided in parallel to the horizontal plane, or is inclined downward toward the eaves side with respect to the horizontal plane. The internal angle between the exposed surface 3 and the first inclined surface 11 is designed according to the gradient of the field plate 80. That is, if the internal angle between the exposed surface 3 and the first inclined surface 11 is α [°] and the slope of the field plate 80 with respect to the horizontal plane is β [°], α [°] ≧ 180 [° ] −β [°].

  The water surface 31 is inclined downward toward the eaves side. The gradient of the flowing water surface 31 with respect to the horizontal plane is gentler than the gradient of the exposed surface 3 and the base plate 80 with respect to the horizontal plane.

The overlap of the flat roof tiles 1A and 1C adjacent in the vertical direction will be described.
As shown in FIGS. 10 and 12, the head overlap 20C of the flat roof tile 1C overlaps the bottom underlap 10A of the flat roof tile 1A, and the second inclined surface 22C of the flat roof tile 1C and the first of the flat roof tile 1A. The inclined surfaces 11A are in contact with each other. Therefore, the flat roof tile 1A and the flat roof tile 1C overlap in a stable state, and rain water can be prevented from entering between the second inclined surface 22C of the flat roof tile 1C and the first inclined surface 11A of the flat roof tile 1A. it can. Furthermore, the space | interval between the edge by the side of the eaves of the exposed surface 3C of the flat tile 1C and the edge by the side of the ridge of the exposed surface 3A can be narrowed.

  The second inclined surface 22A and the first inclined surface 11A of the flat tile 1A are provided in parallel to each other, the second inclined surface 22C and the first inclined surface 11C of the flat tile 1C are provided in parallel to each other, and the flat tile 1A and the flat tile are provided. Since 1C has the same configuration, the exposed surface 3A and the exposed surface 3C are on the same plane. Therefore, the continuity between the exposed surface 3A and the exposed surface 3C is improved, and the exposed surface 3A and the exposed surface 3C look like a continuous plane.

  The step surface 12A of the flat roof tile 1A is separated from the contact surface 17C of the flat roof tile 1C, and a gap is formed between the step surface 12A and the contact surface 17C. This gap becomes a flow path of rainwater that has entered between the bottom underlap 10A of the flat roof tile 1A and the head overlap 20C of the flat roof tile 1C. Moreover, the rainwater that has entered the gap is blocked by the bottom water return 13C of the flat roof tile 1C, and the rainwater can be prevented from leaking to the back of the flat roof tile 1C.

  The convex portion 15A and the through hole 16A of the flat roof tile 1A are hidden under the head overlap 20C of the flat roof tile 1C. The fastener inserted in the through hole 16A is also hidden under the head overlap 20C of the flat roof tile 1C.

  The right portion 29C of the head overlap 20C of the flat roof tile 1C overlaps the fitting portion 50A. The fitting portion 50A is fitted into the fitting recess 23C from below the fitting recess 23C. Thereby, the flat roof tile 1A and the flat roof tile 1C adjacent to each other in the vertical direction overlap each other in a stable state. Further, when installing the flat roof tile 1C after the flat roof tile 1A is installed, the fitting recess 50C is put on the fitting recess 50C from above the fitting section 50A, and the fitting section 50A is fitted into the fitting recess 23C. The horizontal position of the flat roof tile 1C is determined.

  The sandwiched piece 60C of the flat roof tile 1C overlaps the left portion 19A of the bottom underlap 10A of the flat roof tile 1A. The back surface 62C of the sandwiched piece 60C is separated from the surface of the left portion 19A (step surface 12A) of the bottom underlap 10A of the flat roof tile 1A, and the back surface 62C of the sandwiched piece 60C and the surface of the left portion 19A of the bottom underlap 10A A gap is formed between (step surface 12A). This gap also becomes a flow path of rainwater that has entered between the bottom underlap 10A of the flat roof tile 1A and the head overlap 20C of the flat roof tile 1C.

  Projected in a direction perpendicular to the exposed surfaces 3A and 3C of the tile main bodies 2A and 2C, the rib 4C intersects the drainer 13A, and the low portion of the rib 4C (the portion where the step surface 6C is formed) Overlaps the recess 14A from above the recess 14A of the drainer 13A. And the low part (part in which the step surface 6C was formed) of the rib 4C crosses the drainer 13A in the vertical direction through the recess 14A. Further, when installing the flat roof tile 1C after the flat roof tile 1A has been installed, the flat roof tile 1C is inserted by inserting the lower portion of the rib 4C (the portion on which the step surface 6C is formed) into the recess 14A from the top of the recess 14A of the drainer 13A. The horizontal position of 1C is determined.

  The overlap of the flat roof tiles 1A and 1C as described above is also applied to the overlap of the other two flat roof tiles 1 adjacent in the vertical direction.

The overlap of the flat roof tiles 1A and 1B adjacent in the horizontal direction will be described.
As shown in FIGS. 9 and 11, the side overlap 40B of the flat roof tile 1B overlaps the side underlap 30A of the flat roof tile 1A. The back surface 41B of the side overlap 40B is separated from the surface (flow surface 31A) of the side under wrap 30A, and a gap is formed between the back surface 41B of the side overlap 40B and the surface of the side under wrap 30A (flow surface 31A). Is formed. This gap becomes a flow path of rainwater that has entered between the side underlap 30A of the flat roof tile 1A and the side overlap 40B of the flat roof tile 1B. Further, rainwater that has entered the gap is blocked by the side water return 33A of the flat tile 1A, and the rainwater can be prevented from leaking to the back of the flat tile 1A.

  The right portion 29B of the head overlap 20B of the flat roof tile 1B overlaps the sandwiched piece 60A of the flat roof tile 1A. The fitting portion 50B of the flat roof tile 1B overlaps the left portion 19A of the bottom underwrap 10A of the flat roof tile 1A, and the left portion 19A of the bottom underwrap 10A of the flat roof tile 1A is a counterbore portion on the back side of the fitting portion 50B. 53B.

  The overlap of the flat roof tiles 1A and 1B as described above is also applied to the overlap of the other two flat roof tiles 1 adjacent in the horizontal direction.

A portion where all of the flat roof tiles 1A, 1B, 1C, and 1D overlap (see an enlarged view of FIG. 11) will be described.
As shown in FIGS. 11 to 13, the sandwiched piece 60 </ b> C of the flat roof tile 1 </ b> C overlaps the left portion 19 </ b> A of the bottom underlap 10 </ b> A of the flat roof tile 1 </ b> A, and the fitting portion 50 </ b> B of the flat roof tile 1 </ b> B is flat. It overlaps on the sandwiched piece 60C of the tile 1C. In addition, the right portion 29D of the head overlap 20D of the flat roof tile 1D overlaps with the fitting portion 50B of the flat roof tile 1B, and the fitting portion 50B is fitted under the fitting recess 23D of the flat roof tile 1D. It is fitted in 23D.

  The overlap of the flat roof tiles 1A, 1B, 1C, 1D as described above is also applied to the overlap of the other four flat roof tiles 1 that are adjacent vertically and horizontally.

The flow of rainwater that has entered will be described.
As indicated by an arrow 91 shown in FIG. 10, rainwater that has entered the step surface 12C of the flat roof tile 1C flows from the step surface 12C to the flowing water surface 31C. As indicated by an arrow 92 shown in FIG. 10, rainwater that has entered the flow surface 31C of the flat roof tile 1C flows toward the eaves side due to the gradient of the flow surface 31C. Then, as indicated by an arrow 93 shown in FIG. 11, the rainwater flows from the flowing surface 31C to the flowing surface 61C of the sandwiched piece 60C, and further from the flowing surface 61C to the left of the bottom underlap 10A of the flat roof tile 1A. It flows down on 19A. As shown by the arrow 94 shown in FIG. 10, the rainwater that has flowed down flows toward the eaves side due to the gradient of the flow surface 31A of the flat roof tile 1A.

According to the embodiment of the present invention, the following operational effects are recognized.
(1) If the head overlap 20C of the flat roof tile 1C is placed on the bottom underlap 10A of the flat roof tile 1A, the first inclined surface 11A of the flat roof tile 1A contacts the second inclined surface 22C of the flat roof tile 1C. To do. Since the first inclined surface 11A is inclined with respect to the exposed surface 3A and the second inclined surface 22C is inclined with respect to the exposed surface 3C, the edge on the ridge side of the exposed surface 3A and the edge on the eaves side of the exposed surface 3C And the exposed surface 3A and the exposed surface 3C look like a continuous surface. In particular, the exposed surface 3A and the exposed surface 3C can be arranged on the same plane.

(2) If the side overlap 40B of the flat roof tile 1B is overlapped on the side underlap 30A of the flat roof tile 1A, the right edge of the exposed surface 3B of the flat roof tile 1B and the left edge of the exposed surface 3A of the flat roof tile 1A Are arranged close to each other, and the exposed surface 3B of the flat roof tile 1B and the exposed surface 3A of the flat roof tile 1A can be disposed on the same plane.

(3) As a whole, it appears that the plurality of exposed surfaces 3 are arranged in a lattice pattern without gaps. Thus, the roof design is innovative.

(4) Since the first inclined surface 11A of the flat roof tile 1A and the second inclined surface 22C of the flat roof tile 1C are in contact with each other, the water on the surface of the flat roof tiles 1A and 1C is in contact with the first inclined surface 11A and the second inclined surface. Intrusion into the back side of the head overlap 20C of the flat roof tile 1C through the space 22C can be suppressed.

(5) Since the inner angle α [°] sandwiched between the exposed surface 3 and the first inclined surface 11 is set according to the gradient β [°] of the field plate 80, When installed on the upper side, the first inclined surface 11 is inclined downward toward the eaves side. Therefore, it can suppress that the water on a roof penetrate | invades into the back side of the head overlap 20 of the flat tile 1 adjacent to the ridge side.

(6) The fitting portion 50B of the flat roof tile 1B is fitted into the fitting recess 23D of the flat roof tile 1D, and the assembly of the flat roof tile 1B and the flat roof tile 1D is stabilized. Further, the left portion 19A of the bottom underlap 10A of the flat roof tile 1A is accommodated in the counterbore portion 53B of the flat roof tile 1B, the sandwiched piece 60C of the flat roof tile 1C is also accommodated in the counterbore portion 53B of the flat roof tile 1B, and the sandwiched piece 60C is It is sandwiched between the fitting portion 50B and the left portion 19A of the bottom underlap 10A of the flat roof tile 1A. Therefore, the assembly of these four flat roof tiles 1A, 1B, 1C, 1D is stabilized. As a whole, the assembly of the plurality of roof tiles 1 arranged in a lattice shape is stable and excellent in earthquake resistance.

(7) The water is blocked by the bottom water return 13 and the side water return 33, and the water on the step surface 12 or the flowing water surface 31 leaks to the back side of the bottom underlap 10 and the side underlap 30. Can be prevented.

(8) Since the sandwiched piece 60 overlaps the left part 19 of the bottom underlap 10 of the flat roof tile 1 on the eaves side, a continuous flow path can be formed (see FIG. 10 or FIG. 11). (See arrows 91, 92, 93, 94 shown).

Embodiments to which the present invention can be applied are not limited to the above-described embodiments, and can be appropriately changed without departing from the spirit of the present invention.
For example, the structure of the flat roof tile 1 described above is reversed left and right. That is, the flat roof which has a mirror image relationship with the flat roof tile 1 described above is also disclosed in this specification as an embodiment of the present invention.

  The flat roof tile 1 is a so-called tile. Therefore, the flat roof tile 1 can be used as an outer wall tile. When the flat roof tile 1 is used as an outer wall tile, the above-mentioned explanation is as follows: “flat roof tile 1” is “outer wall tile 1”, “tile roof main body 2” is “tile main body 2”, and “field board 80” is “ "Outer wall base", "Roof" is "Outer wall", "Spread" is "Paste", "Eaves side" is "Ground side" or "Lower side", and "Building side" is "Upper side" or Read "Upper". When the flat roof tile 1 is used as the outer wall tile 1, the installation state of the outer wall tile 1 will be described with reference to FIG. FIG. 14 is a vertical cross-sectional view along a cut surface orthogonal to the outer wall. A plurality of horizontal bars 85 are provided on the outer wall base 80 so as to extend in the horizontal direction, and these horizontal bars 85 are provided in parallel to each other with a space therebetween. A plurality of outer wall tiles 1 are arranged in a row along the horizontal rail member 85 for one horizontal rail member 85, and a plurality of outer wall tiles 1 are arranged in a lattice shape as a whole. The back surface of the tile main body 2 is directed to the outer wall base 80, the front surface of the tile main body 2 is directed outward, the bottom underlap 10 is on the upper side, and the head overlap 20 is on the lower side. Then, the contact surface 17 of the bottom underlap 10 abuts against the horizontal rail member 85, and the stopper 18 is hooked on the horizontal rail member 85 from above. A fastener such as a nail, a screw, or a screw is passed through the through hole 16, and the tile body 2 is fixed to the crosspiece 85 by the fastener. The exposed surface 3 is provided in parallel to the base plate 80.

1, 1A, 1B, 1C, 1D Flat roof tile 2 Roof tile body 3 Exposed surface 10 Bottom underlap 11 First inclined surface 12 Step surface 13 Bottom portion water return 20 Head overlap 22 Second inclined surface 23 Fitting recess 30 Side underlap 33 Side water return 40 Side overlap 50 Fitting part 53 Counterbore part 54 Standing wall 60 Nipped piece 80 Field plate

Claims (10)

In tiles installed on the roof,
The tile body,
A bottom underwrap provided on the ridge side of the tile body,
A head overlap provided on the eaves side of the roof tile body,
A side overlap provided on one side of the tile body in the lateral direction;
A side underlap provided closer to the back side than the back side of the side overlap on the other side in the horizontal direction of the tile body;
Formed on the surface of the roof tile body, an exposed surface extending to a side edge of the side overlap and a side edge of the head overlap;
A first inclined surface that is formed on the surface of the bottom underlap and that is inclined from the edge on the ridge side of the exposed surface to the ridge side to form an obtuse internal angle with respect to the exposed surface;
A roof tile, comprising: a second inclined surface formed on a back surface of the head overlap and inclined to form an acute inner angle with respect to the exposed surface. The roof tile according to claim 1,
The roof tile, wherein the first inclined surface and the second inclined surface are parallel to each other. The roof tile according to claim 1 or 2,
The roof tile, wherein the exposed surface is provided flat. The roof tile according to any one of claims 1 to 3,
Α [°] ≧ 180 [°] −β, where α [°] is an inner angle between the exposed surface and the first inclined surface, and β [°] is a slope of the roof with respect to a horizontal plane. A tile characterized by satisfying [°]. The roof tile according to any one of claims 1 to 4,
A fitting recess recessed on one side in the lateral direction of the back surface of the head overlap;
A fitting portion provided at a corner portion on one side of the roof tile side and the ridge side;
A roof tile characterized in that the surface of the fitting portion is closer to the back side than the exposed surface. The roof tile according to claim 5,
Counterbore part formed on the back side of the fitting part;
A sandwiched piece provided at a corner on the other side in the horizontal direction and the eaves side of the roof tile body,
The roof tile, wherein the sandwiched piece is provided closer to the front side than the ridge side portion of the surface of the side underlap and closer to the back side than the back surface of the fitting portion. The roof tile according to claim 6,
Further comprising a side water return projecting at the edge on the other side in the lateral direction of the surface of the side underlap,
The roof tile characterized in that the sandwiched piece continues from the end of the side underlap toward the eaves side. The roof tile according to claim 7,
Formed on the surface of the bottom underlap, continued from the ridge side edge of the first inclined surface to the ridge side, and a stepped surface forming a step with the exposed surface;
A butt portion water return projecting at the edge of the step surface on the ridge side,
The other side in the horizontal direction of the step surface and the ridge side of the surface of the side underlap continue,
A roof tile characterized in that the other side in the lateral direction of the bottom water return and the ridge side of the side water return continue. The roof tile according to claim 8,
The roof tile further comprising a standing wall standing on the step surface on one side in the horizontal direction of the step surface. The roof tile according to claim 9,
The tile according to claim 1, wherein the other side in the lateral direction of the bottom part water return continues to the standing wall.

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