JP2005307648A - Dry molded tile - Google Patents

Dry molded tile Download PDF

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Publication number
JP2005307648A
JP2005307648A JP2004128393A JP2004128393A JP2005307648A JP 2005307648 A JP2005307648 A JP 2005307648A JP 2004128393 A JP2004128393 A JP 2004128393A JP 2004128393 A JP2004128393 A JP 2004128393A JP 2005307648 A JP2005307648 A JP 2005307648A
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Prior art keywords
tile
dry
lap
lap part
wrap
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Kenichi Miyagawa
憲市 宮川
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KANEKI SEITOSHO KK
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KANEKI SEITOSHO KK
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Abstract

<P>PROBLEM TO BE SOLVED: To improve dimensional accuracy in a dry molded tile. <P>SOLUTION: Recessed shapes (cross sectional shape) of lower and upper lap parts 22, 23 are almost circular arc. An intersection angle between a tangent line of the lower lap part 22 and a surface 21 is about 60°in a boundary 22a between the lower lap part 22 and the surface 21. An intersection angle between the tangent line of the lower lap part 22 and a surface parallel to the surface 21 is about 30° in the other end 22b of the lower lap part 22. In case of the upper lap part 23, an intersection angle between a tangent line of the upper lap part 23 and the surface parallel to the surface 21 is about 60°in a boundary 23a between the upper lap part 23 and a leg 26. An intersection angle between the tangent line of the upper lap part 23 and the surface parallel to the surface 21 is about 30° in the other end 23b. The surfaces of lower and upper lap parts 22, 23 are formed to be a recessed R surface, so that uneven pressure is not caused and the dimensional accuracy is improved. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、乾式成形タイルの技術分野に属する。   The present invention belongs to the technical field of dry-formed tiles.

隣接するタイルと重ね合わせるためのラップ部を相対する2辺(例えば上辺と下辺)それぞれに設けたタイルがあり、ラップタイルとして知られている。一例として、特開平9−291679号公報(特許文献1)に開示のものがある。   There are tiles provided with two opposite sides (for example, an upper side and a lower side) provided with lap portions for overlapping with adjacent tiles, which are known as lap tiles. One example is disclosed in Japanese Patent Laid-Open No. 9-291679 (Patent Document 1).

ラップタイルは、例えば上辺と下辺にラップ部を設けたラップタイルを縦方向にラップさせながら施工することにより横方向の目地の露出を無くして、美感を向上させる利点があるので、外壁等に用いられている。
特開平9−291679号公報
For example, wrap tiles have the advantage of improving the aesthetics by eliminating the exposure of the joints in the horizontal direction by wrapping the wrap tiles provided with wrap portions on the upper and lower sides in the vertical direction. It has been.
Japanese Patent Laid-Open No. 9-291679

しかしながら、乾式成形による従来のラップタイルは、形状が複雑であり、寸法精度がでないという問題があった。また、形状が複雑なためにラミネーション、脱型キレ等の不良が発生しやすいという問題もあった。   However, the conventional lap tile by dry molding has a problem that the shape is complicated and the dimensional accuracy is not high. There is also a problem that defects such as lamination and demolding are likely to occur due to the complicated shape.

寸法精度を向上するために特許文献1に開示されるような工夫がなされていたが、未だ十分とは言えなかった。また、特開平6−122112号公報や特開平4−260650号公報に開示の技術も提案されているが、解決手段が複雑であるため生産性が悪化するという問題がある。   In order to improve the dimensional accuracy, a device as disclosed in Patent Document 1 has been devised, but it has not been sufficient yet. In addition, techniques disclosed in Japanese Patent Application Laid-Open Nos. 6-122112 and 4-260650 have been proposed, but there is a problem that productivity is deteriorated because the solution means is complicated.

本発明は、乾式成形タイルにおいて、出来る限り単純なラップ形状にして、寸法精度を向上させることを第1の目的とし、また成形速度を早めて生産性を向上させることも狙っている。   The first object of the present invention is to improve the dimensional accuracy by making the lap shape as simple as possible in a dry-molded tile, and also aims to improve the productivity by increasing the molding speed.

請求項1記載の乾式成形タイルは、隣接するタイルと重ね合わせるためのラップ部を相対する2辺それぞれに設けた乾式成形タイルにおいて、
前記ラップ部は凹のアール面として形成されており、該ラップ部の端における前記アール面の接線と該タイルの表面又は該表面と平行な面との交差角度が30度〜80度であることを特徴とする。
In the dry-molded tile according to claim 1, the dry-molded tile provided on each of two opposite sides with a lap portion for overlapping with an adjacent tile,
The wrap portion is formed as a concave rounded surface, and the intersection angle between the tangent to the rounded surface at the end of the wrap portion and the surface of the tile or a plane parallel to the surface is 30 to 80 degrees. It is characterized by.

本発明の乾式成形タイルは、通常は略長方形であり、その相対する2辺(普通は長辺)それぞれにラップ部が設けられている。
本発明においては、そのラップ部を凹のアール面として形成する構成としている。アール面の凹形状(断面形状)は円弧、楕円弧、放物線等にするとよい。また、これらの組合せでもよい。
The dry-molded tile of the present invention is generally substantially rectangular, and a wrap portion is provided on each of two opposing sides (usually long sides).
In the present invention, the lap portion is formed as a concave round surface. The concave shape (cross-sectional shape) of the rounded surface may be an arc, an elliptical arc, a parabola, or the like. A combination of these may also be used.

また本発明においては、ラップ部の端におけるアール面の接線とタイルの表面又は表面と平行な面との交差角度を30度〜80度に限定している。
相対するラップ部を、双方共凹のアール面にしたので、成形時に圧力むらが発生しにくくなり寸法精度が向上する。
Moreover, in this invention, the intersection angle of the tangent of the rounded surface in the edge of a lap | wrap part and the surface of a tile or a surface parallel to a surface is limited to 30 degree | times-80 degree | times.
Since the opposing lap portions are both concave rounded surfaces, pressure unevenness is less likely to occur during molding, and dimensional accuracy is improved.

また、若干の圧力むらが発生して形状がわずかに悪くなったとしても、アール面(正確にはラップ部の端におけるアール面の接線)とタイルの表面又は表面と平行な面との角度やアールの大きさによって容易に修正が可能である。   In addition, even if slight pressure unevenness occurs and the shape is slightly deteriorated, the angle between the rounded surface (exactly the tangent to the rounded surface at the end of the wrap portion) and the surface of the tile or a plane parallel to the surface, It can be easily modified depending on the size of the radius.

上記アール面とタイルの表面(又は表面と平行な面)との角度を30度〜80度の範囲にしたのは、成形時の圧力むらを発生させにくくするためと、成形後の型抜きを容易にするためである。   The reason why the angle between the rounded surface and the surface of the tile (or a surface parallel to the surface) is in the range of 30 degrees to 80 degrees is to make it difficult to generate pressure unevenness during molding, This is to make it easier.

ラップ部(アール面)の形状が複雑でないから、成形速度を早めて生産性を向上させることも可能になる。
請求項2記載の乾式成形タイルは、請求項1記載の乾式成形タイルにおいて、前記相対する2辺の一方のラップ部は前記隣接するタイルの上側となる上ラップ部であり、他方は前記隣接するタイルの下側となる下ラップ部であることを特徴とする。
Since the shape of the wrap part (the rounded surface) is not complicated, the molding speed can be increased to improve the productivity.
The dry-molded tile according to claim 2 is the dry-molded tile according to claim 1, wherein one lap portion of the two opposite sides is an upper wrap portion that is an upper side of the adjacent tile, and the other is the adjacent lap portion. It is a lower wrap part on the lower side of the tile.

ラップという目的だけであれば2辺のラップ部を共に上ラップ部としたり、共に下ラップ部とすることもできる。しかし、この場合は、上ラップ部を有するタイルと下ラップ部を有するタイルとを交互配置しなければならないから、結局2種類のタイルを必要とする。   For the purpose of wrapping only, the two lap portions can be both upper wrap portions or both lower wrap portions. However, in this case, since tiles having an upper wrap portion and tiles having a lower wrap portion must be arranged alternately, two types of tiles are eventually required.

しかし、請求項2記載の乾式成形タイルは、一方のラップ部は上ラップ部で他方は下ラップ部であるから1種類のタイルを用いればよく、製造時の生産性が良く、また施工性も良い。   However, in the dry-molded tile according to claim 2, since one wrap part is an upper wrap part and the other is a lower wrap part, it is sufficient to use one kind of tile, and the productivity at the time of manufacture is good and the workability is also good. good.

ところで、従来の乾式成形タイルでは、その厚みを11mm以上にしなければ寸法精度を得ることはできなかったが、本発明によれば11mm未満でも充分な精度を得ることができる。すなわち、請求項3記載のとおり、請求項1又は2記載の乾式成形タイルにおいて、該タイルの厚みが11mm未満にできる。   By the way, in the conventional dry-formed tile, the dimensional accuracy could not be obtained unless the thickness was 11 mm or more. However, according to the present invention, sufficient accuracy can be obtained even if the thickness is less than 11 mm. That is, as described in claim 3, in the dry-molded tile according to claim 1 or 2, the thickness of the tile can be less than 11 mm.

次に、本発明の実施例等により発明の実施の形態を説明する。なお、本発明は下記の実施例等に限定されるものではなく、本発明の要旨を逸脱しない範囲でさまざまに実施できることは言うまでもない。
[実施例]
(1)成形方法
図1に示すように、アール面のラップ部を設けるための凸アール面10aを有する上型10、同様に凸アール面11aを有する下型11を使用して乾式成形を行った。なお、図1ではタイルの詳細構造(対応する上型10、下型11の詳細構造)は省略してある。
Next, embodiments of the present invention will be described based on examples of the present invention. The present invention is not limited to the following examples and the like, and it goes without saying that the present invention can be implemented in various ways without departing from the gist of the present invention.
[Example]
(1) Molding Method As shown in FIG. 1, dry molding is performed using an upper mold 10 having a convex round surface 10a for providing a rounded surface wrap portion, and a lower mold 11 having a convex round surface 11a. It was. In FIG. 1, the detailed structure of the tile (the detailed structure of the corresponding upper mold 10 and lower mold 11) is omitted.

まず、枠上げ又は下駒下げにより、下型11の上面と枠12とで原料投入のための凹部14を形成する。続いて、その凹部14に原料を充填し、上型10を下降させて原料を加圧する。その後、上型10を上昇させ、枠下げ又は下駒上げして成形品(未焼成タイル)を取り出す。
(2)焼成等
本実施例では、磁器タイルの製造に通常使用される収縮率約9.0%の原料にて、実機成型機600トンプレス9個抜きで成型し、1270℃で焼成し、製品とした。
(3)タイル
製品であるタイル20は、図2に示すように略長方形で、長さ226mm、幅72mm、厚さ10mmである。
First, a concave portion 14 for feeding a raw material is formed by the upper surface of the lower mold 11 and the frame 12 by raising the frame or lowering the lower frame. Subsequently, the recess 14 is filled with the raw material, and the upper mold 10 is lowered to press the raw material. Thereafter, the upper mold 10 is raised, and the molded product (unfired tile) is taken out by lowering the frame or raising the lower frame.
(2) Firing, etc. In this example, the raw material having a shrinkage of about 9.0%, which is usually used in the manufacture of porcelain tiles, was molded without using nine actual machine press 600 ton presses, and fired at 1270 ° C. The product.
(3) Tile The tile 20 as a product is substantially rectangular as shown in FIG. 2 and has a length of 226 mm, a width of 72 mm, and a thickness of 10 mm.

タイル20の表面21はほぼ平坦面であり、一方の長辺に相当する部分には下ラップ部22が設けられ、他方の長辺の裏面側には上ラップ部23が設けられている。
また、タイル20の裏面側には2つの脚25、26が設けられ、それらの間には凹陥部27が形成されている。脚25は、下地ボード30の引っ掛け突起31に係止されるので、係止面25aは凹陥部27(その底面)に対して鋭角(約80度)にされている。
The surface 21 of the tile 20 is a substantially flat surface, and a lower wrap portion 22 is provided in a portion corresponding to one long side, and an upper wrap portion 23 is provided on the back side of the other long side.
In addition, two legs 25 and 26 are provided on the back side of the tile 20, and a recess 27 is formed between them. Since the leg 25 is locked to the hooking protrusion 31 of the base board 30, the locking surface 25a has an acute angle (about 80 degrees) with respect to the recessed portion 27 (the bottom surface).

図2(b)に示すとおり、下ラップ部22及び上ラップ部23の凹形状(断面形状)は共にほぼ円弧である。
下ラップ部22と表面21との境界22aにおける下ラップ部22の接線と表面21との交差角度は約60度、下ラップ部22の他端22bにおける下ラップ部22の接線と表面21に平行な面との交差角度は約30度である。
As shown in FIG. 2B, the concave shapes (cross-sectional shapes) of the lower lap portion 22 and the upper lap portion 23 are both substantially arcs.
The intersection angle between the lower wrap portion 22 and the surface 21 at the boundary 22 a between the lower wrap portion 22 and the surface 21 is approximately 60 degrees, and the tangent line of the lower wrap portion 22 at the other end 22 b of the lower wrap portion 22 is parallel to the surface 21. The angle of intersection with the rough surface is about 30 degrees.

上ラップ部23についても、脚26との境界23aにおける同様な接線と表面21に平行な面との交差角度は約60度、他端23bにおける同様な接線と表面21に平行な面との交差角度は約30度である。   As for the upper wrap portion 23, the intersection angle between the similar tangent line at the boundary 23 a with the leg 26 and the plane parallel to the surface 21 is about 60 degrees, and the similar tangent line at the other end 23 b intersects with the plane parallel to the surface 21. The angle is about 30 degrees.

下ラップ部22の幅は11mm、表面21からの最大凹みは6mmであり、上ラップ部23の幅は12mm、裏面からの最大凹みは6mmである。従って、一方のタイル20の下ラップ部22に他方のタイル20の上ラップ部23を重ねた場合、重なり合いの部分に隙間を形成できる。
(4)
実施例のタイル20比較例タイル(下ラップ部及び上ラップ部をアール面ではなく段差状にした以外は実施例と同じ)とでは、下記の表1に示すとおりの差異があった。
The width of the lower wrap portion 22 is 11 mm, the maximum recess from the front surface 21 is 6 mm, the width of the upper wrap portion 23 is 12 mm, and the maximum recess from the back surface is 6 mm. Therefore, when the upper wrap portion 23 of the other tile 20 is overlapped with the lower wrap portion 22 of one tile 20, a gap can be formed in the overlapping portion.
(4)
There was a difference as shown in Table 1 below with the tile 20 comparative example tile of the example (same as the example except that the lower lap portion and the upper lap portion were not stepped but rounded).

Figure 2005307648
このように、本実施例のタイル20は、厚みを11mm未満にしても十分な寸法精度が得られる。また、従来技術による比較例ではラミネーション、脱型キレ等の問題も発生しやすいが、実施例ではそのような問題は発生しなかった。
Figure 2005307648
Thus, the tile 20 of the present embodiment can obtain sufficient dimensional accuracy even if the thickness is less than 11 mm. Further, in the comparative example according to the prior art, problems such as lamination and demolding are likely to occur, but in the examples, such problems did not occur.

下ラップ部22、上ラップ部23共、凹のアール面にしたので、成形時に圧力むらを発生しにくくなったことが上記の改善率として現れている。
なお、成形時に圧力むらを発生して形状、精度が低下した場合には、上述の22a、22b、23a、23bでの角度(アール面の曲率)やアール面の大きさを適宜に選択することによって、圧力むらの発生を容易に防止できる。
(5)裏面の凸部
実施例のタイル20では裏面側に2つの脚25、26を設けたのみであるが、図3に例示するように凹陥部27を2分する位置に凸部29を設けることができる。
Since both the lower wrap portion 22 and the upper wrap portion 23 have concave rounded surfaces, it is apparent as the improvement rate that pressure unevenness is less likely to occur during molding.
In addition, when pressure unevenness is generated at the time of molding and the shape and accuracy are lowered, the angle (curvature of the rounded surface) and the size of the rounded surface at the above-described 22a, 22b, 23a, and 23b should be appropriately selected. Therefore, generation of pressure unevenness can be easily prevented.
(5) Convex part on the back side In the tile 20 of the embodiment, only the two legs 25 and 26 are provided on the back side, but the convex part 29 is provided at a position that divides the concave part 27 as illustrated in FIG. Can be provided.

凸部29の位置や大きさは、図3(a)〜(c)に例示するように適宜に選択できる。上述の圧力むらが発生した場合、この凸部29の位置又は大きさ(幅)を変えることによって、圧力むらの発生を防止して寸法精度を良くすることが可能である。   The position and size of the convex portion 29 can be appropriately selected as illustrated in FIGS. When the above-described pressure unevenness occurs, by changing the position or size (width) of the convex portion 29, it is possible to prevent the occurrence of pressure unevenness and improve the dimensional accuracy.

実施例のタイルの成形方法の説明図。Explanatory drawing of the shaping | molding method of the tile of an Example. 実施例のタイルの裏面図(a)と施工状態の説明図(b)。The back view (a) of the tile of an Example, and explanatory drawing (b) of a construction state. 実施例のタイルの裏面に凸部を設ける例の説明図。Explanatory drawing of the example which provides a convex part in the back surface of the tile of an Example.

符号の説明Explanation of symbols

10・・・上型、
11・・・下型、
12・・・枠、
20・・・タイル、
21・・・表面、
22・・・下ラップ部、
22a・・・境界、
22b・・・他端、
23・・・上ラップ部、
23a・・・境界、
23b・・・他端、
25・・・脚、
26・・・脚、
27・・・凹陥部、
29・・・凸部。
10 ... Upper mold,
11 ... Lower mold,
12 ... Frame,
20 ... tile,
21 ... surface,
22 ... Lower lap part,
22a ... boundary,
22b ... the other end,
23 ... Upper lap part,
23a ... boundary,
23b ... the other end,
25 ... Legs,
26 ... legs,
27: Recessed part,
29 ... convex part.

Claims (3)

隣接するタイルと重ね合わせるためのラップ部を相対する2辺それぞれに設けた乾式成形タイルにおいて、
前記ラップ部は凹のアール面として形成されており、該ラップ部の端における前記アール面の接線と該タイルの表面又は該表面と平行な面との交差角度が30度〜80度であることを特徴とする乾式成形タイル。
In the dry-molded tile provided on each of the two opposite sides with a lap part for overlapping with an adjacent tile,
The wrap portion is formed as a concave rounded surface, and an intersection angle between the tangent to the rounded surface at the end of the wrap portion and the surface of the tile or a plane parallel to the surface is 30 to 80 degrees. Dry-type tile characterized by.
請求項1記載の乾式成形タイルにおいて、
前記相対する2辺の一方のラップ部は前記隣接するタイルの上側となる上ラップ部であり、他方は前記隣接するタイルの下側となる下ラップ部であることを特徴とするタイル。
In the dry-molded tile according to claim 1,
One tile of the two opposite sides is an upper wrap portion which is an upper side of the adjacent tile, and the other is a lower wrap portion which is a lower side of the adjacent tile.
請求項1又は2記載の乾式成形タイルにおいて、
該タイルの厚みが11mm未満であることを特徴とするタイル。
In the dry-molded tile according to claim 1 or 2,
A tile having a thickness of less than 11 mm.
JP2004128393A 2004-04-23 2004-04-23 Dry molded tile Pending JP2005307648A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publication Number Publication Date
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Family

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Family Applications (1)

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Country Status (1)

Country Link
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