JP5384899B2 - Roof tile - Google Patents

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Publication number
JP5384899B2
JP5384899B2 JP2008255210A JP2008255210A JP5384899B2 JP 5384899 B2 JP5384899 B2 JP 5384899B2 JP 2008255210 A JP2008255210 A JP 2008255210A JP 2008255210 A JP2008255210 A JP 2008255210A JP 5384899 B2 JP5384899 B2 JP 5384899B2
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roof
roof tile
tile
eaves
water
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JP2010084436A (en
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泰久 東堤
信博 田井
真依子 小野
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KMEW Co Ltd
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Kubota Matsushitadenko Exterior Works Ltd
KMEW Co Ltd
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Priority to JP2008255210A priority Critical patent/JP5384899B2/en
Priority to TW98207186U priority patent/TWM386331U/en
Priority to CN2009201525586U priority patent/CN201486043U/en
Publication of JP2010084436A publication Critical patent/JP2010084436A/en
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Description

本発明は、建物の屋根に設置される屋根瓦に関する。   The present invention relates to a roof tile installed on a roof of a building.

従来、シンプルな外観を有する建物を提供するなどのため、上面が平坦に形成された平瓦とよばれる屋根瓦が使用されている(特許文献1参照)。このような屋根瓦は洋風建築、和風建築のいずれにも調和し、汎用性に富むという利点もある。   Conventionally, in order to provide a building having a simple appearance, a roof tile called a flat tile having a flat upper surface is used (see Patent Document 1). Such roof tiles are in harmony with both Western and Japanese architecture, and have the advantage of being versatile.

図11に上面が平坦な屋根瓦1を設置した屋根(寄棟屋根)の例を示す。図中の符号14は棟包を、符号15は差棟を示す。   FIG. 11 shows an example of a roof (a dormitory roof) provided with a roof tile 1 having a flat upper surface. In the figure, reference numeral 14 indicates a ward package, and reference numeral 15 indicates a difference ridge.

しかし、このような屋根瓦1を建物の屋根に設置する場合、屋根瓦1の寸法誤差や反り、ねじれ等の変形、屋根下地の不陸、設置作業時の屋根瓦1の僅かな位置ずれ等が生じると、軒棟方向と直交する方向に隣り合う屋根瓦1同士の継ぎ目に段差が生じて不揃いな外観が生じてしまい、意匠性が悪くなるという問題がある。特に粘土質材料を成形・焼成して得られる屋根瓦1(粘土瓦)の場合には、反りやねじれが発生しやすくなって、前記のような問題が顕著に現れる。   However, when such a roof tile 1 is installed on the roof of a building, the roof tile 1 has a dimensional error, warpage, deformation such as torsion, unevenness of the roof base, a slight displacement of the roof tile 1 during installation work, etc. When this occurs, there is a problem that a step occurs at the joint between the roof tiles 1 adjacent to each other in the direction orthogonal to the eaves ridge direction, resulting in an irregular appearance, and the design is deteriorated. In particular, in the case of a roof tile 1 (clay tile) obtained by molding and firing a clay-like material, warping and twisting are likely to occur, and the above-mentioned problems are noticeable.

また、屋根瓦1が設置された屋根に雨水が付着すると、この雨水は通常は軒棟方向に流れて軒先に設けられた雨樋に導かれて排水されるものであるが、上面が平坦な屋根瓦1が設置された屋根が強い風雨に曝された場合などには、屋根の上面に付着した雨水が風により軒棟方向と直交する方向に流動して、屋根のけらば部分、下屋の壁際、図11に示すような寄棟屋根の隅棟部分などの納まり部位に大量の水が集まり、雨漏りの危険性が高まるという問題もある。
特開2006−188900号公報
Moreover, when rainwater adheres to the roof on which the roof tiles 1 are installed, this rainwater usually flows in the direction of the eaves and is led to the rain gutters provided at the eaves to be drained, but the upper surface is flat. When the roof on which the roof tiles 1 are installed is exposed to strong wind and rain, the rainwater adhering to the upper surface of the roof flows in a direction perpendicular to the eaves direction by the wind, and the roof is covered with a part of the roof. There is also a problem that a large amount of water gathers in the storage area such as the corner building portion of the dormitory roof as shown in FIG. 11 and the risk of rain leakage increases.
JP 2006-188900 A

本発明は上記の点に鑑みてなされたものであり、上面が平坦に形成された屋根瓦であって、この屋根瓦を屋根に設置した場合に軒棟方向と直交する方向に隣り合う屋根瓦同士の段差が外観上目立つことを防止すると共に、この屋根が強い風雨に曝された場合などに横走りを軽減することができる屋根瓦を提供することを目的とする。   The present invention has been made in view of the above points, and is a roof tile having a flat upper surface, and when this roof tile is installed on a roof, the roof tile is adjacent in a direction orthogonal to the eaves-ridge direction. An object of the present invention is to provide a roof tile that can prevent the steps between the two from being conspicuous in appearance, and can reduce side running when the roof is exposed to strong wind and rain.

本発明に係る屋根瓦1は、上面が平坦に形成される。この屋根瓦1は、屋根への設置時に屋根の下り傾斜方向に臨む前端の上下寸法Tが10〜35mmの範囲にある。また、上面の少なくとも一方の側端縁に、外側方に向けて下り傾斜する傾斜部2が形成されているこの傾斜部2の上下寸法Hは2mm以上である。他方の側端縁に、前記傾斜部2の側端よりも上方に位置する堰部3が形成されているThe roof tile 1 according to the present invention has a flat upper surface. The roof tile 1 has a vertical dimension T of a front end facing a downward slope direction of the roof when installed on the roof in a range of 10 to 35 mm. Further, an inclined portion 2 that is inclined downward toward the outer side is formed on at least one side edge of the upper surface . The vertical dimension H of the inclined portion 2 is 2 mm or more . On the other side edge, a dam portion 3 is formed which is located above the side end of the inclined portion 2 .

のため、屋根瓦1が設置された屋根上面に、傾斜部2によって軒棟方向と直交する方向に並ぶ軒棟方向の凹溝13が形成され、この凹溝13によって、屋根瓦1の寸法誤差や変形、屋根下地の不陸、設置作業時の屋根瓦1の位置ずれ等により隣り合う屋根瓦1同士に上下方向の位置ずれが生じても、この位置ずれによる屋根瓦1間の段差が目立たなくなる。また、屋根が強い風雨に曝されるなどして、屋根瓦1の上面に水が付着すると共にこの水が屋根の軒棟方向と直交する方向に流動する現象(横走り)が発生した場合には、この水の流れが前記凹溝13によって妨げられ、この水が前記凹溝13に沿って屋根上面を軒側に向けて流動し、或いは屋根瓦1同士の継ぎ目から屋根下地側に浸入してから軒側に向けて流動する。 For this reason, the top surface of the roof to roof tiles 1 is installed, eaves ridge direction of the recessed groove 13 arranged in a direction perpendicular to the eaves ridge direction is formed by the inclined section 2, this groove 13, the dimensions of the roof tile 1 Even if vertical displacement occurs between adjacent roof tiles 1 due to errors, deformation, unevenness of the roof base, displacement of the roof tiles 1 during installation work, etc., there is a step between the roof tiles 1 due to this displacement. Disappears. Also, when the roof is exposed to strong wind and rain, water adheres to the top surface of the roof tile 1 and this water flows in a direction perpendicular to the eaves direction of the roof (lateral running). The flow of water is hindered by the concave groove 13, and the water flows along the concave groove 13 toward the eave side of the roof, or enters the roof base side from the joint between the roof tiles 1. Afterwards, it flows toward the eaves side.

また、堰部3が形成されていると、屋根瓦1が設置された屋根上面には、軒棟方向と直交する方向に隣り合う一方の屋根瓦1の傾斜部2と他方の屋根瓦1の堰部3とが突き合わさることで凹溝13が形成され、雨水等が屋根瓦1上を傾斜部2側に向けて流動した場合に、凹溝13に達した水の流れが堰部3によって塞き止められることで、水の流れが効果的に妨げられる。このため、特定の一方向の横走りを重点的に軽減する必要がある場合にその特定の方向の横走りを効果的に軽減することができる。
上記の屋根瓦1では、好ましくは、前記傾斜部2の幅寸法Bが下記式(1)に示す関係を満たす値であり、且つこの傾斜部2の上下寸法Hが下記式(2)に示す関係を満たす値である。
T/2≦B≦8T/5 …(1)
T/5≦H≦T/3 …(2)
Moreover, when the dam part 3 is formed , the inclined part 2 of one roof tile 1 and the other roof tile 1 adjacent to each other in the direction orthogonal to the eaves ridge direction are formed on the roof upper surface where the roof tile 1 is installed. The groove 13 is formed by abutment with the weir part 3, and when rainwater or the like flows on the roof tile 1 toward the inclined part 2 side, the flow of water reaching the groove 13 is caused by the weir part 3. By being blocked, the flow of water is effectively prevented. For this reason, when it is necessary to reduce the lateral running in a specific direction in a focused manner, the lateral running in the specific direction can be effectively reduced.
In said roof tile 1, Preferably, the width dimension B of the said inclination part 2 is a value which satisfy | fills the relationship shown to following formula (1), and the up-and-down dimension H of this inclination part 2 shows to following formula (2). It is a value that satisfies the relationship.
T / 2 ≦ B ≦ 8T / 5 (1)
T / 5 ≦ H ≦ T / 3 (2)

本発明によれば、屋根瓦1を屋根に設置することで全体的に平坦でシンプルな外観を建物に付与することができ、また軒棟方向と直交する方向に隣り合う屋根瓦1同士の間で上下方向の位置ずれが生じてもこの屋根瓦1同士の間の段差が目立たなくなって不揃いな外観が生じることが抑制され、更に屋根が風雨に曝された場合などに横走りを軽減することができるものである。   According to the present invention, it is possible to give the building a flat and simple appearance as a whole by installing the roof tile 1 on the roof, and between the roof tiles 1 adjacent to each other in the direction orthogonal to the eaves direction. Even if a vertical misalignment occurs, the level difference between the roof tiles 1 becomes inconspicuous and an uneven appearance is suppressed, and further, the lateral running is reduced when the roof is exposed to wind and rain. It is something that can be done.

以下、本発明を実施するための最良の形態について説明する。   Hereinafter, the best mode for carrying out the present invention will be described.

図1〜3に屋根瓦1(屋根材)の一例を示す。 1-3 show an example of the roof tile 1 (roof material).

この屋根瓦1は、平面視矩形状に形成されている。この屋根瓦1は上面が平坦に形成された平瓦として形成されている。   The roof tile 1 is formed in a rectangular shape in plan view. This roof tile 1 is formed as a flat tile having a flat upper surface.

本形態の屋根瓦1は、設置時に隣接する他の屋根瓦1の端縁の上に重ねられる下記の前垂部4と横重ね部5とを備える。 The roof tile 1 according to the present embodiment includes the following front hanging part 4 and horizontal overlapping part 5 that are overlapped on the edge of another adjacent roof tile 1 at the time of installation.

図示のように、前垂部4は、屋根瓦1の軒側端部に、下面から下方に突出するように形成されている。この前垂部4は図示の通り、屋根瓦1の軒棟方向と直交する方向の一端から他端に亘って設けられている。   As illustrated, the front hanging part 4 is formed on the eaves side end of the roof tile 1 so as to protrude downward from the lower surface. As shown in the figure, the front hanging portion 4 is provided from one end to the other end in a direction orthogonal to the eaves-ridge direction of the roof tile 1.

また、横重ね部5は、屋根瓦1の軒棟方向と直交する方向の一端縁に形成され、他端縁からは下重ね部7が延出されている。この屋根瓦1を平面上に載置した状態では、横重ね部5の下面と下重ね部7の下面は前記平面から浮いた状態となり、下重ね部7の上面は屋根瓦1の他の部分の上面よりも下方位置に配置される。下重ね部7の上面には、上方に開口する軒棟方向の水切溝9が形成されている。   Moreover, the horizontal overlap part 5 is formed in the one end edge of the direction orthogonal to the eaves-ridge direction of the roof tile 1, and the lower overlap part 7 is extended from the other end edge. In a state where the roof tile 1 is placed on a plane, the lower surface of the horizontal overlap portion 5 and the lower surface of the lower overlap portion 7 are in a state of floating from the plane, and the upper surface of the lower overlap portion 7 is the other part of the roof tile 1. It arrange | positions in the downward position rather than the upper surface of. On the upper surface of the lower overlap portion 7, a water draining groove 9 is formed in the eaves-ridge direction that opens upward.

また、屋根瓦1の棟側端部には、表面から上方に突出する立ち上がり部8が突設されている。立ち上がり部8は図示の通り、屋根瓦1の軒棟方向と直交する方向の一端から他端に亘って設けられている。   Moreover, the rising part 8 which protrudes upwards from the surface is protrudingly provided at the ridge side end of the roof tile 1. As shown in the figure, the rising portion 8 is provided from one end to the other end in the direction orthogonal to the eaves-ridge direction of the roof tile 1.

また、屋根瓦1の棟側寄りの部分の、棟側端縁よりも軒側の部分には、下方に突出する下支持部10が突設されている。   In addition, a lower support portion 10 that protrudes downward is projected from a portion of the roof tile 1 near the ridge side closer to the eaves side than the ridge side edge.

屋根瓦1の棟側端縁と、上記下重ね部7とには、それぞれビスや釘等の固着具が打入される固着孔11が設けられている。図示の例では屋根瓦1の棟側端縁では立ち上がり部8の形成位置に複数の固着孔11が軒棟方向と直交する方向に並んで設けられており、また下重ね部7には一つの固着孔11が設けられているが、固着孔11の位置及び個数は図示のものに制限されるものではない。   A fixing hole 11 into which a fixing tool such as a screw or a nail is inserted is provided in the ridge side edge of the roof tile 1 and the lower overlapping portion 7. In the example shown in the figure, a plurality of fixing holes 11 are provided in a direction perpendicular to the eave building direction at the position where the rising portion 8 is formed at the edge of the roof tile 1 on the ridge side. Although the fixing holes 11 are provided, the positions and the number of the fixing holes 11 are not limited to those illustrated.

この屋根瓦1は、屋根への設置時に屋根の下り傾斜方向に臨む前端(軒側の端部)の上下寸法Tが10〜35mmの範囲に形成される。この屋根瓦1の前端の上下寸法Tは、屋根瓦1が屋根に設置された場合にこの屋根瓦1の見かけ上の厚みとして外観に現れる高さであり、本形態では屋根瓦1の前端部の下端(前垂部4の下端)と屋根瓦1の上面との間の上下寸法(屋根瓦1の表面と直交する方向の高低差)が、前記前端の上下寸法Tに相当する。 The roof tile 1 is formed such that the vertical dimension T of the front end (end on the eaves side) facing the downward slope of the roof when installed on the roof is in the range of 10 to 35 mm. Vertical dimension T of the front end of the roof tile 1, when the roof tile 1 is installed on the roof appear in appearance as the thickness of the apparent of the roof tile 1 is the height, the present embodiment the front end of the roof tile 1 The vertical dimension (the height difference in the direction orthogonal to the surface of the roof tile 1) between the lower end (the lower end of the front hanging part 4) and the top surface of the roof tile 1 corresponds to the vertical dimension T of the front end.

また屋根瓦1の上面の両側の側端縁(軒棟方向と直交する方向の端縁)には、それぞれ傾斜部2が形成されている。この傾斜部2は、屋根瓦1の軒棟方向と直交する外側方へ向けて下り傾斜するように形成されている。この傾斜部2は、上側に凸な曲面状に形成されている。   In addition, inclined portions 2 are formed at side edges (edges in a direction orthogonal to the eaves ridge direction) on both sides of the upper surface of the roof tile 1. The inclined portion 2 is formed so as to incline downward toward the outer side perpendicular to the eaves-ridge direction of the roof tile 1. The inclined portion 2 is formed in a curved surface convex upward.

このような屋根瓦1の屋根下地6への設置について、図4,5を示して説明する。   The installation of the roof tile 1 on the roof base 6 will be described with reference to FIGS.

屋根下地6は野地にて形成することができ、この場合、野地には必要に応じてアスファルトルーフィング等の防水シートが設けられる。   The roof base 6 can be formed in a field, and in this case, a waterproof sheet such as asphalt roofing is provided in the field as needed.

この屋根下地6上に軒側から棟側に向かって順次屋根瓦1を設置する。屋根瓦1を設置するにあたっては、まず複数の屋根瓦1を軒棟方向と直交する方向に順次設ける。このとき、まず屋根瓦1を屋根下地6上に配置し、この状態で固着孔11にビスや釘等の固着具を打入して屋根下地6上に屋根瓦1を固定する。次いで、固定した屋根瓦1の、下重ね部7が設けられている側の側方に、別の屋根瓦1を配置する。このとき固定された屋根瓦1の下重ね部7に、別の屋根瓦1の横重ね部5を重ねるようにし、下重ね部7における固着具の固着位置を横重ね部5で覆うようにする。この状態で、前記別の屋根瓦1の固着孔11に前記と同様にして固着具を打入して屋根下地6に固定する。この動作を複数回繰り返すことで、複数の屋根瓦1を軒棟方向と直交する方向に並べて設置する。   The roof tiles 1 are sequentially installed on the roof base 6 from the eaves side toward the ridge side. In installing the roof tile 1, first, a plurality of roof tiles 1 are sequentially provided in a direction orthogonal to the eaves-ridge direction. At this time, the roof tile 1 is first arranged on the roof base 6, and in this state, a fixing tool such as a screw or a nail is driven into the fixing hole 11 to fix the roof tile 1 on the roof base 6. Next, another roof tile 1 is arranged on the side of the fixed roof tile 1 on the side where the lower overlap portion 7 is provided. At this time, the horizontal overlap portion 5 of another roof tile 1 is overlapped with the lower overlap portion 7 of the fixed roof tile 1, and the fixing position of the fixing tool in the lower overlap portion 7 is covered with the horizontal overlap portion 5. . In this state, the fixing tool is driven into the fixing hole 11 of the other roof tile 1 in the same manner as described above and fixed to the roof base 6. By repeating this operation a plurality of times, a plurality of roof tiles 1 are installed side by side in a direction orthogonal to the eaves-ridge direction.

次に、上記のように設置された屋根瓦1(以下、一列目の屋根瓦1という)の棟側の屋根下地6上に、別の屋根瓦1(以下、二列目の屋根瓦1という)を配置する。図4に示す例では、二列目の屋根瓦1の横方向位置を一列目の屋根瓦1からずらして、千鳥状に配置している。このとき一列目の屋根瓦1の立ち上がり部8よりも軒側に二列目の屋根瓦1の前垂部4が配置されるようにする。このとき、一列目の屋根瓦1の棟側端縁における固着具の固着位置が、二列目の屋根瓦1にて覆われる。この状態で、二列目の屋根瓦1の固着孔11に上記一列目の屋根瓦1の場合と同様に固着具を打入して、二列目の屋根瓦1を固定する。次いで、一列目の屋根瓦1の場合と同様に、この二列目の固定した屋根瓦1の、下重ね部7が設けられている側に、別の屋根瓦1を設置し、このとき二列目の最初に固定した屋根瓦1と同様に一列目の屋根瓦1の立ち上がり部8よりも軒側に二列目の屋根瓦1の前垂部4が配置されるようにする。この動作を複数回繰り返すことにより、複数の二列目の屋根瓦1を軒棟方向と直交する方向に並べて設置する。   Next, another roof tile 1 (hereinafter referred to as the second row roof tile 1) is placed on the roof base 6 on the ridge side of the roof tile 1 (hereinafter referred to as the first row roof tile 1) installed as described above. ). In the example shown in FIG. 4, the horizontal position of the roof tile 1 in the second row is shifted from the roof tile 1 in the first row and arranged in a staggered manner. At this time, the front hanging part 4 of the roof tile 1 in the second row is arranged closer to the eaves side than the rising part 8 of the roof tile 1 in the first row. At this time, the fixing position of the fixing tool at the ridge side edge of the roof tile 1 in the first row is covered with the roof tile 1 in the second row. In this state, a fixing tool is driven into the fixing holes 11 of the second roof tile 1 in the same manner as the first roof tile 1 to fix the second roof tile 1. Next, as in the case of the first row of roof tiles 1, another roof tile 1 is installed on the side of the fixed roof tile 1 of the second row on which the lower overlap portion 7 is provided. Similar to the roof tile 1 fixed at the beginning of the row, the front hanging portion 4 of the roof tile 1 of the second row is arranged on the eaves side of the rising portion 8 of the roof tile 1 of the first row. By repeating this operation a plurality of times, a plurality of second-row roof tiles 1 are arranged in a direction perpendicular to the eaves-ridge direction.

そして、同様に三列目、四列目と繰り返し屋根瓦1を複数列設置することにより、屋根下地6上に複数の屋根瓦1を設置することができる(図11参照)。   Similarly, a plurality of roof tiles 1 can be installed on the roof base 6 by repeatedly installing the third and fourth rows and the repeated roof tiles 1 (see FIG. 11).

このように屋根瓦1を設置した状態では、軒棟方向に隣り合う屋根瓦1同士では、図5に示すように軒側の屋根瓦1の上面に棟側の屋根瓦1の前垂部4が重ねられている。このため、上述のように屋根瓦1の前端の上下寸法T、すなわち前垂部4の下端と屋根瓦1の上面との間の上下寸法が、屋根瓦1の見かけ上の厚みとして外観に現れる。   In the state where the roof tiles 1 are installed in this manner, the roof tiles 1 adjacent to each other in the eaves-and-ridge direction have a front hanging portion 4 of the roof-side roof tiles 1 on the upper surface of the eave-side roof tiles 1 as shown in FIG. Are superimposed. For this reason, as described above, the vertical dimension T of the front end of the roof tile 1, that is, the vertical dimension between the lower end of the front hanging portion 4 and the upper surface of the roof tile 1 appears as an apparent thickness of the roof tile 1. .

また、軒棟方向と直交する方向に隣り合う屋根瓦1同士の突き合わせ部分では、各屋根瓦1の傾斜部2同士が突き合わされ、このため屋根の上面には前記傾斜部2で構成される軒棟方向の凹溝13が形成される(図6参照)。このため、屋根の上面には軒棟方向と直交する方向に沿って周期的に凹溝13が形成される。   Moreover, in the abutting part of the roof tiles 1 adjacent to each other in the direction orthogonal to the eaves-ridge direction, the inclined portions 2 of the roof tiles 1 are abutted with each other. A groove 13 in the ridge direction is formed (see FIG. 6). For this reason, the ditch | groove 13 is periodically formed in the upper surface of a roof along the direction orthogonal to the eaves-ridge direction.

また、軒棟方向と直交する方向に隣り合う屋根瓦1同士では、図7に示すように、一方の屋根瓦1の下重ね部7の上に他方の屋根瓦1の横重ね部5が重ねられ、水切溝9の上部開口が横重ね部5によって覆われる。。   Moreover, in the roof tiles 1 adjacent to each other in the direction orthogonal to the eaves-ridge direction, as shown in FIG. 7, the horizontal overlap portion 5 of the other roof tile 1 is overlaid on the lower overlap portion 7 of one roof tile 1. The upper opening of the draining groove 9 is covered with the horizontal overlap portion 5. .

このようにして屋根瓦1が屋根に設置されると、屋根上面に軒棟方向と直交する方向に並ぶ軒棟方向の凹溝13が形成されることで、屋根瓦1の寸法誤差や変形、屋根下地の不陸、設置作業時の屋根瓦1の位置ずれ等により隣り合う屋根瓦1同士に上下方向の位置ずれが生じても、この位置ずれによる屋根瓦1間の段差が目立たなくなって、屋根の外観が前記位置ずれにより不揃いになることが防止される。   When the roof tile 1 is installed on the roof in this way, the groove 13 in the eave building direction arranged in the direction orthogonal to the eave building direction is formed on the roof upper surface, so that the dimensional error and deformation of the roof tile 1 Even if the adjacent roof tiles 1 are displaced in the vertical direction due to the unevenness of the roof base, the displacement of the roof tiles 1 during the installation work, etc., the step between the roof tiles 1 due to this displacement becomes inconspicuous, It is possible to prevent the appearance of the roof from becoming uneven due to the displacement.

また、屋根が強い風雨に曝されるなどして、屋根瓦1の上面に水が付着すると共にこの水が屋根の軒棟方向と直交する方向に流動する現象(横走り)が発生した場合には、この水の流れが前記凹溝13によって妨げられ、この水が前記凹溝13に沿って屋根上面を軒側に向けて流動する。また凹溝13によって流れが妨げられた水が屋根瓦1同士の継ぎ目から下方に浸入しても、この水は横重ね部5と下重ね部7との間で水切溝9に溜まり、この水は屋根の傾斜により水切溝9に沿って移動して軒側へ排水されることとなる。ここで、特に本形態のように屋根瓦1が千鳥状に設置されている場合には、水切溝9の水は、この横重ね部5と下重ね部7が形成されている屋根瓦1の軒側端部と、この屋根瓦1の軒側に隣接している下段の屋根瓦1との間から外部に排水されるため、水切溝9には屋根瓦1一列分のみの雨水等が流れることになり、この水切溝9から水が溢れ出すようなことがなくなる。 Also, when the roof is exposed to strong wind and rain, water adheres to the top surface of the roof tile 1 and this water flows in a direction perpendicular to the eaves direction of the roof (lateral running). The flow of water is blocked by the concave groove 13, and the water flows along the concave groove 13 toward the eaves side of the roof top surface. Further, even if the water whose flow is blocked by the concave groove 13 infiltrates downward from the joint between the roof tiles 1, the water is accumulated in the draining groove 9 between the horizontal overlapping portion 5 and the lower overlapping portion 7. Moves along the drainage groove 9 due to the inclination of the roof and is drained to the eaves side. Here, in particular, when the roof tiles 1 are installed in a staggered manner as in this embodiment , the water in the draining groove 9 is generated from the roof tile 1 in which the laterally overlapped portion 5 and the lower overlapped portion 7 are formed. Since the water is drained to the outside from between the eaves side edge and the lower roof tile 1 adjacent to the eaves side of the roof tile 1, rainwater or the like for only one row of the roof tile 1 flows in the drain groove 9. As a result, water does not overflow from the drain groove 9.

このようにして屋根の外観を向上すると共に雨水等の横走りを軽減するためには、傾斜部2の幅寸法B(軒棟方向と直交する方向の寸法)は、上記屋根瓦1の前端の高さ寸法Tとの間で、下記式(1)の関係を満たす必要がある。   Thus, in order to improve the appearance of the roof and reduce the lateral running of rainwater and the like, the width dimension B of the inclined portion 2 (the dimension in the direction perpendicular to the eaves ridge direction) is set at the front end of the roof tile 1. It is necessary to satisfy the relationship of the following formula (1) with the height dimension T.

T/2≦B≦8T/5 …(1)
この傾斜部2の幅寸法Bが式(1)で示される範囲よりも小さくなると隣り合う屋根瓦1間の段差を目立たないようにすることが困難となり、また前記範囲よりも大きくなると雨水等の横走りを充分に軽減することができなくなってしまう。
T / 2 ≦ B ≦ 8T / 5 (1)
If the width dimension B of the inclined portion 2 is smaller than the range represented by the formula (1), it becomes difficult to make the step between the adjacent roof tiles 1 inconspicuous. You will not be able to reduce the side running sufficiently.

また、この傾斜部2の上下寸法H(傾斜部2の外側端と内側端との間の、屋根瓦1の表面と直交する方向の高低差)は2mm以上である必要があると共に、上記屋根瓦1の前端の高さ寸法Tとの間で、下記式(2)の関係を満たす必要がある。   The vertical dimension H of the inclined portion 2 (the height difference in the direction perpendicular to the surface of the roof tile 1 between the outer end and the inner end of the inclined portion 2) needs to be 2 mm or more, and the roof It is necessary to satisfy the relationship of the following formula (2) with the height dimension T of the front end of the roof tile 1.

T/5≦H≦T/3 …(2)
この傾斜部2の上下寸法Hが2mmに満たないか、或いは式(2)で示される範囲よりも小さくなると、隣り合う屋根瓦1間の段差を目立たないようにすることが困難となると共に、雨水等の横走りを充分に軽減することができなくなってしまう。また、この傾斜部2の上下寸法Hが式(2)で示される範囲よりも大きくなると、下重ね部7と横重ね部5の嵌合形状が設計できなくなってしまう。
T / 5 ≦ H ≦ T / 3 (2)
When the vertical dimension H of the inclined portion 2 is less than 2 mm or smaller than the range represented by the formula (2), it becomes difficult to make the step between adjacent roof tiles 1 inconspicuous, It will not be possible to reduce the lateral running of rainwater. Moreover, if the vertical dimension H of this inclined part 2 becomes larger than the range shown by Formula (2), the fitting shape of the lower overlap part 7 and the horizontal overlap part 5 cannot be designed.

上記形態では、傾斜部2は図7に示すように上側に凸な曲面状に形成されているが、この傾斜部2は図8に示すように平面状に形成されていてもよく、また屋根瓦1の外側方に向けて下り傾斜する形状であれば、その他適宜の形状に形成されていてもよい。 In the above embodiment, the inclined portion 2 is formed in a convex curved shape on the upper side as shown in FIG. 7, the inclined portion 2 may be formed in a planar shape as shown in FIG. 8, also Any other suitable shape may be used as long as the shape is inclined downward toward the outer side of the roof tile 1.

また、上記形態では、傾斜部2は屋根瓦1の上面の両側の側端縁にそれぞれ形成され、図7に示すように互いに突き合わされた二つの傾斜部2によって凹溝13が形成されているが、この傾斜部2は屋根瓦1の少なくとも一方の側端縁に形成されていればよい。傾斜部2が屋根瓦1の上面の一方の側端縁のみに形成されている場合であっても、屋根瓦1が設置された屋根の上面には傾斜部2によって凹溝13が形成され、これにより隣り合う屋根瓦1同士の位置ずれが目立たなくなるとともに、雨水等の横走りが充分に軽減される。 In the above embodiment, the inclined portion 2 are respectively formed on the side edges on both sides of the upper surface of the roof tile 1, the concave groove 13 is formed by two inclined portions 2 which abut each other as shown in FIG. 7 However, the inclined portion 2 only needs to be formed on at least one side edge of the roof tile 1. Even when the inclined portion 2 is formed only on one side edge of the upper surface of the roof tile 1, a concave groove 13 is formed by the inclined portion 2 on the upper surface of the roof on which the roof tile 1 is installed, As a result, the positional deviation between the adjacent roof tiles 1 becomes inconspicuous, and lateral running such as rainwater is sufficiently reduced.

図9,10は屋根瓦1の上面の一方の側端縁にのみ、傾斜部2を形成した、本発明の実施形態を示す。傾斜部2は、屋根瓦1の下重ね部7が形成されている側の側端縁と、横重ね部5が形成されている側の側端縁のうち、いずれか一方に形成されればよいが、本実施形態では、傾斜部2は屋根瓦1の上面の、下重ね部7が形成されている側の側端縁に形成されている。傾斜部2は、図9に示す例では上側に凸な曲面状に形成され、図10に示す例では平面状に形成されている。一方、屋根瓦1の上面の、横重ね部5が形成されている側の側端縁は、前記傾斜部2の側端よりも上方に位置する堰部3として形成されている。
図9に示す例では、屋根瓦1の上面の、横重ね部5が形成されている側の側端縁に曲面状の面取り16が形成され、図10に示す例では、この側端縁に平面状の面取り16が形成されているが、これらの面取り16の形成位置が傾斜部2の側端よりも上方にあることで、これらの側端縁が堰部3として形成されている。傾斜部2の寸法は、図1〜7に示す形態と同様に形成される必要がある。
9 and 10 show an embodiment of the present invention in which the inclined portion 2 is formed only on one side edge of the upper surface of the roof tile 1. If the inclined portion 2 is formed on any one of the side end edge on the side where the lower overlap portion 7 of the roof tile 1 is formed and the side end edge on the side where the horizontal overlap portion 5 is formed. However, in the present embodiment, the inclined portion 2 is formed on the side edge of the upper surface of the roof tile 1 on the side where the lower overlapping portion 7 is formed. In the example shown in FIG. 9, the inclined portion 2 is formed in a curved surface protruding upward, and in the example shown in FIG. 10, it is formed in a flat shape. On the other hand, the side edge of the upper surface of the roof tile 1 on the side where the horizontally stacked portion 5 is formed is formed as a weir portion 3 positioned above the side end of the inclined portion 2.
In the example shown in FIG. 9, a curved chamfer 16 is formed on the side edge of the top surface of the roof tile 1 on the side where the laterally overlapped portion 5 is formed, and in the example shown in FIG. 10, Although planar chamfers 16 are formed, the side edges of these chamfers 16 are formed as weirs 3 because the positions of these chamfers 16 are located above the side edges of the inclined portion 2. The dimensions of the inclined portion 2 needs to be formed in the same manner on purpose shown to form in Figures 1-7.

この実施形態においても、屋根の上面には傾斜部2で構成される軒棟方向の凹溝13が形成され、このため、屋根の上面には軒棟方向と直交する方向に沿って周期的に凹溝13が形成される。このため、隣り合う屋根瓦1同士に上下方向の位置ずれが生じても、この位置ずれによる屋根瓦1間の段差が前記凹溝13によって目立たなくなって、屋根の外観が前記位置ずれにより不揃いになることが防止される。また、屋根の上面で雨水等の横走りが発生しても、水の流れが前記凹溝13によって妨げられ、この水が前記凹溝13に沿って屋根上面を軒側に向けて流動する。特に本実施形態では、水が屋根瓦1上を傾斜部2側に向けて流動した場合、凹溝13に達した水の流れが堰部3によって塞き止められることで、水の流れが効果的に妨げられる。また、この凹溝13に達した水が屋根瓦1同士の継ぎ目から下方に浸入しても、図1〜7に示す形態と同様にこの水は屋根の傾斜により水切溝9に沿って移動して軒側へ排水される。本実施形態では傾斜部2が屋根瓦1の上面の、下重ね部7が形成されている側の端縁に形成されており、前記のように水が屋根瓦1上を傾斜部2側に向けて流動した場合、その流動方向に沿って水が水切溝9に導かれ、水がスムーズに排水されるようになる。 Also in this embodiment, the groove 13 in the eaves-ridge direction formed by the inclined portion 2 is formed on the upper surface of the roof, and therefore, periodically on the upper surface of the roof along the direction orthogonal to the eaves-ridge direction. A concave groove 13 is formed. For this reason, even if the positional deviation in the vertical direction occurs between the adjacent roof tiles 1, the step between the roof tiles 1 due to this positional deviation becomes inconspicuous by the concave grooves 13, and the appearance of the roof becomes uneven due to the positional deviation. Is prevented. Further, even if a lateral run such as rainwater occurs on the upper surface of the roof, the flow of water is blocked by the concave groove 13, and the water flows along the concave groove 13 toward the eaves side of the roof. In particular, in this embodiment, when the water flows on the roof tile 1 toward the inclined portion 2 side, the flow of water reaching the concave groove 13 is blocked by the dam portion 3, so that the water flow is effective. Is disturbed. Moreover, even if the water which reached this ditch | groove 13 penetrate | invades below from the joint of roof tiles 1, this water moves along the draining groove 9 with the inclination of a roof similarly to the form shown in FIGS. It is drained to the eaves side. In the present embodiment, the inclined portion 2 is formed on the edge of the upper surface of the roof tile 1 on the side where the lower overlapping portion 7 is formed, and as described above, the water moves on the roof tile 1 toward the inclined portion 2 side. When flowing toward the water, the water is guided to the drain groove 9 along the flow direction, and the water is smoothly drained.

このように本実施形態は、屋根瓦1上を傾斜部2側に向けて流動する水の横走りを特に効果的に軽減すると共にこの水をスムーズに排水することができるため、特定の一方向の横走りを重点的に軽減する必要がある場合に好適である。   As described above, the present embodiment can effectively reduce the lateral running of the water that flows on the roof tile 1 toward the inclined portion 2 side and can drain the water smoothly. It is suitable when it is necessary to reduce the lateral running of the vehicle.

上記のような本発明に係る屋根瓦1は、無機系、樹脂系、金属系などの任意の材料で形成することができる。特にセメントと水と油性物質を主成分とするセメント含有逆エマルジョン組成物からなるセメント系成形材料で屋根瓦1を形成すると、屋根瓦1を押し出し成形等により容易に形成することができ、また、吸水が少なく寒冷地において凍結が発生し難くなるものであり、更に屋根瓦1の厚みを増しても屋根瓦1の軽量化を図ることができるものである。この組成物において、セメントと水の比率は任意に設定することができるが、重量比率で、セメント1に対して水0.3〜2の範囲が一般的に好ましい。   The roof tile 1 according to the present invention as described above can be formed of any material such as an inorganic material, a resin material, or a metal material. In particular, when the roof tile 1 is formed of a cement-based molding material composed of a cement-containing inverse emulsion composition mainly composed of cement, water, and an oily substance, the roof tile 1 can be easily formed by extrusion molding, etc. The amount of water absorption is small, and it is difficult for freezing to occur in cold regions. Further, even if the thickness of the roof tile 1 is increased, the weight of the roof tile 1 can be reduced. In this composition, the ratio of cement to water can be arbitrarily set, but the weight ratio is generally preferably in the range of 0.3 to 2 water with respect to cement 1.

セメントとしては、特に制限されるものではないが、ポルトランドセメント、フライアッシュセメント、高炉セメント、アルミナセメント、ハイアルミナセメント、シリカフュームセメントなどを挙げることができるものであり、これらを一種単独で用いたり、二種以上を併用したりすることができる。油性物質は水と逆エマルジョン(W/Oエマルジョン)を形成するためのものであり、特に制限されるものではないが、通常は疎水性の液状物質が利用され、例えばトルエン、キシレン、灯油、スチレン、ジビニルベンゼン、メチルメタクリレート、トリメチロールプロパントリメタクリレート、不飽和ポリエステル樹脂等を挙げることができ、これらを一種単独で用いたり、二種以上を併用したりすることができる。油性物質の配合量は、セメント含有逆エマルジョン組成物中の水と固形分の総量に対して5〜10体積%の範囲が好ましい。セメント含有逆エマルジョン組成物には上記の成分の他に、乳化剤を配合することが好ましい。乳化剤は逆エマルジョンに安定性を付与するために配合されるものであり、例えばソルビタンセスキオール、グリセロールモノステアレート、ソルビタンモノオレート、ジエチレングリコールモノステアレート、ソルビタンモノステアレート、ジグリセロールモノオレート等の非イオン界面活性剤、各種アニオン系界面活性剤、カチオン系界面活性剤等を用いることができる。乳化剤の配合量はセメント含有逆エマルジョン組成物中の水と固形分の総量に対して1〜3体積%の範囲が好ましい。セメント含有逆エマルジョン組成物中にはさらに、適宜量の補強材や各種添加剤を配合することができる。補強材としては、例えば砂利、パーライト、シラスバルーン、ガラス粉、アルミナシリケートなどの骨材、ポリプロピレン繊維、アクリル繊維、ビニロン繊維、アラミド繊維等の合成繊維や、炭素繊維、ガラス繊維、パルプなどの補強繊維を挙げることができる。   The cement is not particularly limited, but can include Portland cement, fly ash cement, blast furnace cement, alumina cement, high alumina cement, silica fume cement, etc. Two or more types can be used in combination. The oily substance is for forming an inverse emulsion (W / O emulsion) with water, and is not particularly limited. Usually, a hydrophobic liquid substance is used, for example, toluene, xylene, kerosene, styrene. , Divinylbenzene, methyl methacrylate, trimethylolpropane trimethacrylate, unsaturated polyester resin, and the like. These can be used alone or in combination of two or more. The blending amount of the oily substance is preferably in the range of 5 to 10% by volume with respect to the total amount of water and solid content in the cement-containing inverse emulsion composition. In addition to the above components, an emulsifier is preferably added to the cement-containing inverse emulsion composition. The emulsifier is blended to impart stability to the inverse emulsion. Ionic surfactants, various anionic surfactants, cationic surfactants, and the like can be used. The blending amount of the emulsifier is preferably in the range of 1 to 3% by volume with respect to the total amount of water and solid content in the cement-containing inverse emulsion composition. An appropriate amount of a reinforcing material and various additives can be further blended in the cement-containing inverse emulsion composition. Examples of reinforcing materials include aggregates such as gravel, perlite, shirasu balloon, glass powder, and alumina silicate, synthetic fibers such as polypropylene fiber, acrylic fiber, vinylon fiber, and aramid fiber, and reinforcement such as carbon fiber, glass fiber, and pulp. Mention may be made of fibers.

以下に、屋根瓦1の製造方法の一例を示す。まず、乳化剤(例えば、ヤシ油1.0〜2.0質量部)、スチレンモノマー4.0〜6.0質量部、水35.0〜50.0質量部及び適量の架橋剤と重合開始剤とを混合して逆エマルジョンを作製する。次に、この逆エマルジョン100質量部と、セメント70〜90質量部と、有機系軽量化材0.3〜5.0質量部と、補強繊維1.0〜2.0質量部、或いは上記逆エマルジョン100質量部と、セメント55.0〜75.0質量部と、無機系軽量化材15.0〜35.0質量部と、補強繊維1.0〜2.0質量部とを強制攪拌機あるいは連続混合機にて混合してセメント含有逆エマルジョン組成物を調製する。次に、セメント含有逆エマルジョン組成物を押出成形機に投入して成形シートを押し出し成形する。この後、押出成形機から押し出し成形された成形シートを必要長さずつトレイで受け取り、所定形状にプレス成形する。次に、プレスされた成形シートを蒸気養生を行って硬化させた後、表面や端面の仕上げ加工を行う。   Below, an example of the manufacturing method of the roof tile 1 is shown. First, an emulsifier (for example, coconut oil 1.0 to 2.0 parts by mass), 4.0 to 6.0 parts by mass of styrene monomer, 35.0 to 50.0 parts by mass of water, and appropriate amounts of a crosslinking agent and a polymerization initiator. To make an inverse emulsion. Next, 100 parts by weight of this inverse emulsion, 70 to 90 parts by weight of cement, 0.3 to 5.0 parts by weight of organic lightening material, 1.0 to 2.0 parts by weight of reinforcing fibers, or the reverse of the above 100 parts by mass of emulsion, 55.0 to 75.0 parts by mass of cement, 15.0 to 35.0 parts by mass of inorganic lightening material, and 1.0 to 2.0 parts by mass of reinforcing fibers A cement-containing inverse emulsion composition is prepared by mixing in a continuous mixer. Next, the cement-containing inverse emulsion composition is put into an extrusion molding machine to extrude a molded sheet. Thereafter, the molded sheet extruded from the extruder is received by a tray for each required length, and press-molded into a predetermined shape. Next, after the pressed molded sheet is cured by steam curing, finishing of the surface and the end face is performed.

また、屋根瓦1は粘土質材料を成形し焼成して得られる焼成品であってもよい。この場合は屋根瓦1には焼成時のあばれによって反りやねじれが発生しやすくなるが、そのような場合であっても、本発明によれば、軒棟方向と直交する方向に隣り合う屋根瓦1同士の間の段差が目立たなくなる。   The roof tile 1 may be a fired product obtained by molding and firing a clay material. In this case, the roof tile 1 is likely to be warped or twisted due to flare during firing, but even in such a case, according to the present invention, the roof tile adjacent to the eave building direction is adjacent. The level difference between the ones becomes inconspicuous.

本発明の参考形態の一例を示す、屋根瓦の正面視の断面図である。It is sectional drawing of the front view of the roof tile which shows an example of the reference form of this invention. 同上の側面視の断面図である。It is sectional drawing of a side view same as the above. 同上の平面図である。It is a top view same as the above. 同上の屋根瓦が屋根に設置された状態を示す一部の平面図である。It is a partial top view which shows the state by which the roof tile same as the above was installed in the roof. 同上の一部の側面視の断面図である。It is sectional drawing of the one part side view same as the above. 同上の一部の斜視図である。It is a one part perspective view same as the above. 同上の一部の正面視の断面図である。It is sectional drawing of the one part front view same as the above. 本発明の参考形態の他例を示すものであり、屋根瓦が屋根に設置された状態を示す一部の正面視の断面図である。The other example of the reference form of this invention is shown, and it is sectional drawing of the one part front view which shows the state in which the roof tile was installed in the roof. 本発明の実施の形態の例を示すものであり、屋根瓦が屋根に設置された状態を示す一部の正面視の断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 illustrates an example of an embodiment of the present invention and is a partial front sectional view showing a state in which a roof tile is installed on a roof. 本発明の実施の形態他例を示すものであり、屋根瓦が屋根に設置された状態を示す一部の正面視の断面図である。The other example of embodiment of this invention is shown and it is sectional drawing of the one part front view which shows the state in which the roof tile was installed in the roof. 上面が平坦な屋根瓦が設置された屋根の一例を示す斜視図である。It is a perspective view which shows an example of the roof in which the roof tile with a flat upper surface was installed.

符号の説明Explanation of symbols

1 屋根瓦
2 傾斜部
3 堰部
1 roof tile 2 slope part 3 weir part

Claims (2)

上面が平坦な屋根瓦であって、屋根への設置時に屋根の下り傾斜方向に臨む前端の上下寸法が10〜35mmの範囲であり、上面の少なくとも一方の側端縁に、外側方に向けて下り傾斜する傾斜部が形成され且つこの傾斜部の上下寸法が2mm以上であると共に、他方の側端縁に、前記傾斜部の側端よりも上方に位置する堰部が形成されていることを特徴とする屋根瓦 It is a roof tile with a flat upper surface, and the vertical dimension of the front end facing the downward slope direction of the roof when installed on the roof is in the range of 10 to 35 mm, toward the outer side at least on one side edge of the upper surface An inclined part inclined downward is formed , and the vertical dimension of the inclined part is 2 mm or more, and a weir part located above the side end of the inclined part is formed on the other side edge. A roof tile characterized by . 前記傾斜部の幅寸法が下記式(1)に示す関係を満たす値であり、且つこの傾斜部の上下寸法が下記式(2)に示す関係を満たす値であることを特徴とする請求項1に記載の屋根瓦。
T/2≦B≦8T/5 …(1)
T/5≦H≦T/3 …(2)
B:傾斜部の幅寸法
H:傾斜部の上下寸法
T:屋根瓦の前端の上下寸法
The width dimension of the inclined portion is a value satisfying the relationship expressed by the following formula (1), and the vertical dimension of the inclined portion is a value satisfying the relationship expressed by the following formula (2). The roof tile described in 1.
T / 2 ≦ B ≦ 8T / 5 (1)
T / 5 ≦ H ≦ T / 3 (2)
B: Width dimension of the inclined part
H: Vertical dimension of inclined part
T: Vertical dimension of the front edge of the roof tile
JP2008255210A 2008-04-30 2008-09-30 Roof tile Expired - Fee Related JP5384899B2 (en)

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JP2008255210A JP5384899B2 (en) 2008-09-30 2008-09-30 Roof tile
TW98207186U TWM386331U (en) 2008-04-30 2009-04-29 Roof plate
CN2009201525586U CN201486043U (en) 2008-04-30 2009-04-30 Roof plate

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JP2008255210A JP5384899B2 (en) 2008-09-30 2008-09-30 Roof tile

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756922U (en) * 1980-09-18 1982-04-03
JPH0751537Y2 (en) * 1990-06-06 1995-11-22 大建工業株式会社 Roofing material

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