JPH08158541A - Plain roof tile - Google Patents

Abstract

PURPOSE: To prevent infiltration of rainwater by a method wherein a head dangling part is provided on the head side of a roof tile, and a notch to which an insert projection on the insert side and a batten projection on the batten side adjoining each other on a zigzag roofing is fitted is provided on the head dangling part while a head water- drip recession is formed to the notch. CONSTITUTION: Plain roof tiles 1 are laid with a tile batten side 6 and an insert side 4 of each of the tiles butted against each other so that an overlapping part 11 on the insert side and an overlapping part 14 on the batten side are overlapped each other, and laying is made so that the tail side 5 of the plain roof tile 1 on the lower row is placed aside by half the width of the plain roof tile 1 on the upper row. The insert projection on the insert side 4 and the batten projection on the batten side 6 are fitted into a notch 19 on the head dangling part 17, and a head water-drip recession 20 is placed in an overlapping marging on the tail side 5 of the notch 19. Therefore, rainwater coming into an overlapping part formed of the head side 18 of the plain roof tile 1 on the upper row and the tail side 5 of the plain roof tile 1 on the lower row can be dripped through parts on different levels around the head water-drip recession 20, and thereby corrosion can be prevented from occurring to the roof surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat roof tile which prevents rainwater from penetrating into the roof surface along the head-side back surface of the staggered flat roof tile.

[0002]

2. Description of the Related Art Conventionally, a flat roof tile a is abutted on both sides of an insertion side and an overlapping portion b on the insertion side, and the left and right positions of the upper flat roof tile a are flat on the bottom side of the lower flat roof tile a. The roof tile c is formed by shifting the roof tile a by a half width and stacking them in a zigzag manner. As shown in FIGS.
The projection jetty portion d is formed on the crosspiece side, and the head drop f is formed on the head side, and the jetty projection portion d and the jetty jet part e are formed on the head drop f when staggering. Notch part g
Are formed.

When the rainwater flows on the surface and flows down onto the flat tile a below the head side, the rainwater flows backward due to the wind or the like and easily overlaps with the cutout portion g on the head side of the upper flat tile a. Since the back surface h on the head side of the flat roof tile a is formed in a flat shape, the rainwater that has infiltrated into the inside easily flows along the back surface h to the butt side, and reaches the outside of the above-mentioned overlapping portion. By the way, it had the drawback of flowing down onto the roof surface.

[0004]

DISCLOSURE OF THE INVENTION According to the present invention, rainwater that infiltrates along the back surface of a polymerization point is drained in the overlapping margin of the polymerization point and is allowed to flow down onto a flat plate tile below to be introduced into the roof surface. It is intended to provide a flat roof tile that prevents rainwater from entering and prevents the roof surface from being corroded by rainwater.

[0005]

SUMMARY OF THE INVENTION In view of the problems such as infiltration of rainwater into the roof surface based on the above-mentioned prior art, the present invention forms a cutout portion on the head side of the roof tile main body, and the cutout portion is formed in the cutout portion. The above-mentioned drawbacks are not solved by providing a flat roof tile whose main feature is to provide a head draining recess on the back surface on the hip side and drain the rainwater transmitted on the back surface by this head draining recess.

As the flat roof tile, the insertion side and the insertion side are butted against each other in a zigzag manner, and the insertion jetty portion is provided on the insertion side and the jetty jetty portion is provided on the crosspiece side in the valley portion of the tile main body. Along with projecting, a drip is formed on the head side.

[0007] Further, a notch is formed in which the insertion jetty and the jetty jetty which are adjacent to each other at the time of zigzag are fitted to the head droop, and a head draining recess is formed in the overlap margin on the back side of the notch at the hip side. are doing.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a flat roof tile made of ceramics according to the present invention, and the flat roof tile 1 has a rectangular plate shape with a roof tile body 2 having a predetermined wall thickness. To form a continuous jetty 7 on one side of the roof tile body 2 surface 3 from the insertion side 4 edge to the hip side 5 edge, and on the other side of the crosspiece side 6 edge. The width dimension of the insertion jetty portion 8 on the insertion side 4 of the jetty 7 is formed narrower than the width dimension of the jetty jetty portion 9 on the jetty side 6 of the jetty 7 and is surrounded by the jetty 7. The facing wall surfaces 8a and 9a of the inserting jetty portion 8 and the jetty jetty portion 9 on the side of the valley portion 10 which is the surface 3 of the roof tile body 2 are formed in an inverted round shape.

Reference numeral 11 denotes an insertion overlapping portion provided on the insertion side 4 of the roof tile body 2, and the insertion overlapping portion 11 is formed in a paragraph shape from the valley portion 10,
In addition, the roof body 2 and the back surface 12 are formed so as to be flush with the back surface 12 of the roof body 2 and have a predetermined width in one direction, and are continuous to the side edge portion on one side and the end edge portion on the hip side 5. Forming a protruding wall 13.

Reference numeral 14 is a jetty jetty portion 9 on the crosspiece side 6 of the roof tile body 2.
It is a crossover portion provided on the back surface 12, and the crossover portion 14 is formed on the back surface 12.
While forming the paragraph surface 15 in a more paragraph shape, the projections 16 and 16a are provided on the paragraph surface 15 so as to project downward, and the insertion overlapping portion 11 enters below the crosspiece overlapping portion 14 to form the insertion overlapping portion 11 The flat roof tiles 1 that are adjacent to each other when the crossover portion 14 and the crossover portion 14 are overlapped with each other to be roofed.
Are almost flush with each other.

Reference numeral 17 is a head droop, and the head droop 17 is the roof tile body 2
The valley of the flat tile 1 below the 18 edges of the roof side when staggering
10 It is laid vertically so that it abuts on the surface 3, and when the flat roof tile 1 is zigzag, the adjoining jetty 8 and the jetty 9 are fitted so that the adjoining jetty 8 and the jetty 9 are fitted together. A cutout portion 19 having a predetermined width is formed by the total width dimension of the jetty portion 9, and the opposite wall surfaces 19a and 19b of the cutout portion 19 are formed in a rounded shape corresponding to the shapes of the wall surfaces 8a and 9a.

Reference numeral 20 denotes a head draining recess provided inside the edge of the head side 18 of the back surface 12 of the roof tile body 2. The head draining recess 20 has a head droop 17
Overlap X on the back surface 12 of the rear side 5 of the notch 19 formed in
It is formed by being depressed to a predetermined depth inside.

Reference numeral 21 is a protrusion that regulates the amount of sliding of the flat roof tile 1 with respect to the flow direction of the roof surface. The protrusion 21 is the overlap margin X on the rear side 5 of the surface 3 of the insertion jetty portion 8 and the jetty jetty portion 9. It projects along the boundary.

Reference numeral 22 denotes a bottom drainage groove provided inside the edge of the rear side 12 of the roof tile body 2 on the rear side 5, 23 denotes a pair of hooks provided at the rear side 12 of the rear side of the roof tile body 2, a pair of hooks, and 24 denotes a roof tile. Bottom side 5 of body 2 surface 3
Is a hook receiving recess provided at an end edge portion of the.

Next, the operation of the flat roof tile according to the present invention will be described. The roof side is abutted with the crossbar side 6 and the crossover side 4 so that the insertion overlapped portion 11 and the crossover overlapped portion 14 of the flat tile 1 are overlapped with each other. The roof tiles are laid in the girder direction on the right and left sides of the plane, and then, on the bottom side 5 of the flat tile 1 on the lower side, the flat tiles 1 stacked from the upper side are offset by a half width and are zigzag.

Then, in this roofing state, the insertion jetty portion 8 and the jetty jetty portion 9 are adjoined and combined to form an integral unit,
Further, the insertion jetty portion 8 and the jetty jetty portion 9 are fitted in the cutout portions 19 of the head drop 17, and the cutout portions 19 of the head drop 17 are brought into contact with the projections 21. Head drain recess
20 can be located in the overlap margin X on the bottom side 5 of the flat tile 1 below.

As rainwater flowing through the valley portion 10 of the flat tile 1 and flowing downward from the head side 18, the insertion jetty portion 8 and the jetty jetty portion 9 in the lower flat tile 1 are fitted in the upper portion. Since the cutouts 19 in the flat roof tile 1 are shorter than the hanging dimensions of the head droops 17 on both sides of the flat roof tiles 1, rainwater easily infiltrate into the overlapped portion, and a part of the infiltrated rainwater is left on the back surface 12 as it is. Although it penetrates into the roof surface, the head draining recess 20 is formed in the overlap margin X on the hip side 5 of the notch 19, so that the step 20a around the head draining recess 20 drains water. , The bottom side 5 of the surface 3 of the lower flat roof tile 1
Can be dropped on.

[0018]

In summary, according to the present invention, in a flat roof tile in which the insertion side and the insertion side are butted against each other and zigzag, the insertion side 4 in the valley portion 10 of the tile main body 2 and the insertion jetty portion 8 and the crosspiece side 6 are provided. The pier jetty part 9 is projected on the head side and the head drop 17 is formed on the head side 18,
A notch 19 into which the insertion jetty 8 and the jetty jetty 9 which are adjacent to each other at the time of zigzag is fitted is formed in the head drop 17, and the head is placed in the overlap margin X on the back surface 12 of the hip side 5 of the notch 19. Since the draining recess 20 is formed, the head side 18 of the upper flat tile 1 and the lower flat tile 1
Notch part of the rainwater that has infiltrated into the polymerization area on the hip side 5
Although it penetrates from the back surface 12 through the back surface 12, the head draining recess 20 is provided by having the head draining recess 20 in the overlap margin X of the back surface 12.
Drainage is performed by the step portion 20a around 20 and can be made to flow down on the butt side 5 of the surface 3 of the flat plate tile 1 below, so that rainwater can be reliably prevented from entering the roof surface and the roof surface can be prevented. Its practical effect is great, as it can prevent the corrosion of rainwater.

[Brief description of drawings]

FIG. 1 is a rear perspective view of a flat roof tile according to the present invention.

FIG. 2 is a front perspective view of the same flat roof tile.

FIG. 3 is a partial plan view showing a construction state in which a flat roof tile is zigzag.

4 is a schematic cross-sectional view taken along the line AA of FIG.

5 is a schematic arrow view of FIG. 3B.

FIG. 6 is a front perspective view of a conventional flat roof tile.

FIG. 7 is a rear perspective view of the same flat roof tile.

[Explanation of symbols]

 2 Roof tile 4 Insert side 5 Bottom side 6 Cross side 8 Insert jetty 9 Jet jetty 10 Valley 12 Back side 17 Head droop 18 Head side 19 Cutout 20 Head drainage recess

Claims (1)

[Claims] 1. In a flat roof tile in which the insertion side and the insertion side are butted against each other in a zigzag manner, an insertion jetty portion is provided on the insertion side and a jetty jetty portion is provided on the crosspiece side in the valley portion of the tile main body, and A head drop is formed on the head side, and a notch portion into which the insertion jetty portion and the jetty jetty portion that are adjacent to each other at the time of zigzag is fitted is formed, and in the overlap margin on the back side of the notch portion. A flat roof tile characterized by forming a head draining recess.