JP2008229420A - Coating roller - Google Patents

Coating roller Download PDF

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JP2008229420A
JP2008229420A JP2007069044A JP2007069044A JP2008229420A JP 2008229420 A JP2008229420 A JP 2008229420A JP 2007069044 A JP2007069044 A JP 2007069044A JP 2007069044 A JP2007069044 A JP 2007069044A JP 2008229420 A JP2008229420 A JP 2008229420A
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inner layer
hardness
layer
coating
outer layer
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JP5265877B2 (en
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Masanobu Mitsui
正信 三井
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KMEW Co Ltd
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Kubota Matsushitadenko Exterior Works Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a coating roller capable of coating the surface of protruded parts of a rugged pattern applied on a plate material for architecture uniformly without irregularity. <P>SOLUTION: This invention relates to the coating roller A which is formed by winding an inner layer 2 on the outer circumference of a core material 1 and winding an outer layer 3 on the outer circumference of the inner layer 2. The inner layer 2 is formed of sponge having a hardness of 10 to 30°. The outer layer 3 is formed of rubber having a hardness of 30 to 60°. The hardness of the inner layer 2 is smaller than the hardness of the outer layer 3. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、建築用板材に施された凹凸模様の凸部の表面を塗装するのに用いられる塗装用ロールに関するものである。   The present invention relates to a coating roll used for coating the surface of a convex portion of a concavo-convex pattern applied to a building board material.

近年、建築物の内外装の高級化が進み、タイル調、レンガ調、石材調の建築用板材が多く使われるようになっている。特に意匠性を重視する場合には、建築用板材の表面に凹部及び凸部からなる複雑な凹凸模様を施し、凹部及び凸部の色が異なるように２色ないし多色塗装が行われている。そしてこの種の塗装方法としては、まず凹部の色で建築用板材の全体を塗装した後、ロールコーターを用いて凸部のみを他の色で塗装するという方法が一般的に行われている（例えば、特許文献１参照。）。
特開平９−７５８２９号公報 In recent years, the interior and exterior of buildings have been upgraded, and tile-like, brick-like, and stone-like architectural board materials are often used. When emphasizing the design in particular, the surface of the building board is provided with a complex uneven pattern consisting of recesses and protrusions, and two-color or multicolor coating is performed so that the colors of the recesses and protrusions are different. . And as a coating method of this kind, after first coating the whole building board with the color of the recess, a method of coating only the projection with another color using a roll coater is generally performed ( For example, see Patent Document 1.)
JP-A-9-75829

しかし、建築用板材の板厚がばらついていたり、凹凸模様の凸部の高さが不規則な場合には、ロールコーターの硬度によっては均一に塗装することができない。すなわち、ロールコーターが硬すぎると建築用板材の凸部の表面に塗り残しが生じ、軟らかすぎると凹部まで塗装してしまう。   However, if the plate thickness of the building board varies, or the height of the convex part of the concavo-convex pattern is irregular, it cannot be applied uniformly depending on the hardness of the roll coater. That is, if the roll coater is too hard, an unpainted surface is generated on the surface of the convex portion of the building board, and if it is too soft, the concave portion is coated.

また、上記特許文献１には、外層を変形しやすく内層を変形しにくくした２層の塗装用ロールが記載されているが、このような塗装用ロールにあっては、一定の加圧力を得るのが難しいので、建築用板材の板厚がばらつくような場合には、凹凸模様の凸部の表面に塗り残しが生じてしまう。   Patent Document 1 describes a two-layer coating roll in which the outer layer is easily deformed and the inner layer is difficult to deform. In such a coating roll, a constant pressure is obtained. Therefore, when the thickness of the building board material varies, an unpainted surface is generated on the surface of the convex part of the concavo-convex pattern.

本発明は上記の点に鑑みてなされたものであり、建築用板材に施された凹凸模様の凸部の表面をムラなく均一に塗装することができる塗装用ロールを提供することを目的とするものである。   This invention is made | formed in view of said point, and it aims at providing the roll for coating which can coat the surface of the convex part of the uneven | corrugated pattern given to the board | plate material for construction uniformly. Is.

本発明の請求項１に係る塗装用ロールは、芯材１の外周に内層２を巻装し、この内層２の外周に外層３を巻装して形成される塗装用ロールＡにおいて、内層２が硬度１０〜２０°のスポンジで形成され、外層３が硬度３０〜５０°のゴムで形成されていると共に、内層２の硬度が外層３の硬度より小さいことを特徴とするものである。   The coating roll according to claim 1 of the present invention is a coating roll A formed by winding the inner layer 2 around the outer periphery of the core material 1 and winding the outer layer 3 around the outer periphery of the inner layer 2. Is formed of a sponge having a hardness of 10 to 20 °, the outer layer 3 is formed of rubber having a hardness of 30 to 50 °, and the hardness of the inner layer 2 is smaller than the hardness of the outer layer 3.

請求項２に係る発明は、請求項１において、内層２の厚みが８〜２０ｍｍ、外層３の厚みが４〜６ｍｍであることを特徴とするものである。   The invention according to claim 2 is characterized in that, in claim 1, the thickness of the inner layer 2 is 8 to 20 mm, and the thickness of the outer layer 3 is 4 to 6 mm.

本発明の請求項１に係る塗装用ロールによれば、建築用板材に施された凹凸模様の凸部の表面をムラなく均一に塗装することができるものである。   According to the coating roll according to claim 1 of the present invention, it is possible to uniformly coat the surface of the convex portion of the concavo-convex pattern applied to the building board material without unevenness.

請求項２に係る発明によれば、一層均一に塗装することができるものである。   According to the invention which concerns on Claim 2, it can coat more uniformly.

以下、本発明の実施の形態を説明する。   Embodiments of the present invention will be described below.

本発明に係る塗装用ロールＡは、図１に示すように、長軸状の鉄芯等の芯材１の外周に内層２を巻装し、さらにこの内層２の外周に外層３を巻装することによって、断面視が芯材１を中心とした同心円状に形成されている。このように、内層２及び外層３からなる２層構造の塗装用ロールＡの外径は、特に限定されるものではないが、例えば、２００〜３００ｍｍに設定することができる。そして本発明においては、内層２の硬度が外層３の硬度より小さくなるようにしてある。ここで、内層２及び外層３の硬度の測定は、ＪＩＳ Ｋ６３０１「加硫ゴム物理試験方法」に基づいてＣ型試験機を用いて行うことができる。   As shown in FIG. 1, the coating roll A according to the present invention has an inner layer 2 wound around an outer periphery of a core material 1 such as a long-axis iron core, and an outer layer 3 wound around the outer periphery of the inner layer 2. By doing so, the cross-sectional view is formed concentrically with the core material 1 as the center. Thus, the outer diameter of the two-layer coating roll A composed of the inner layer 2 and the outer layer 3 is not particularly limited, but can be set to 200 to 300 mm, for example. In the present invention, the hardness of the inner layer 2 is made smaller than the hardness of the outer layer 3. Here, the hardness of the inner layer 2 and the outer layer 3 can be measured using a C-type testing machine based on JIS K6301 “Vulcanized Rubber Physical Test Method”.

具体的には、内層２は硬度１０〜３０°のスポンジで形成されている。内層２の硬度が１０°未満であると、軟らか過ぎて変形したまま復帰しなくなるので、建築用板材４に施された凹凸模様５の凸部６の表面に塗り残しが生じてしまい、また塗装用ロールＡが破損しやすくなる。逆に、内層２の硬度が３０°を超えると、緩衝作用が小さくなるので、建築用板材４に施された凹凸模様５の凹部７まで塗装される場合がある。   Specifically, the inner layer 2 is formed of a sponge having a hardness of 10 to 30 °. If the hardness of the inner layer 2 is less than 10 °, it will be too soft and will not return while being deformed. The roll A is easily damaged. On the contrary, when the hardness of the inner layer 2 exceeds 30 °, the buffering action is reduced, so that the concave portion 7 of the uneven pattern 5 applied to the building board 4 may be coated.

また、建築用板材４に施された凹凸模様５の凸部６の表面のみを一層均一に塗装するためには、内層２の厚みが８〜２０ｍｍであることが好ましい。   Moreover, in order to apply | coat more uniformly only the surface of the convex part 6 of the uneven | corrugated pattern 5 given to the board | plate material 4 for construction, it is preferable that the thickness of the inner layer 2 is 8-20 mm.

一方、外層３は硬度３０〜６０°のゴムで形成されている。外層３の硬度が３０°未満であると、軟らか過ぎて変形しやすいので、建築用板材４に施された凹凸模様５の凹部７まで塗装される。逆に、外層３の硬度が６０°を超えると、建築用板材４に施された凹凸模様５の凸部６の表面に塗り残しが生じてしまう。   On the other hand, the outer layer 3 is made of rubber having a hardness of 30 to 60 °. If the hardness of the outer layer 3 is less than 30 °, the outer layer 3 is too soft and easily deformed, so that the concave portions 7 of the concave-convex pattern 5 applied to the building plate 4 are painted. On the contrary, if the hardness of the outer layer 3 exceeds 60 °, an unpainted surface is generated on the surface of the convex portion 6 of the concave-convex pattern 5 applied to the building board 4.

また、内層２及び外層３はいずれも加硫によって形成することができるが、内層２を加硫によって形成した後、さらに外層３を加硫によって形成する場合には、外層３の加硫時において内層２が余計に加熱されてしまい、これによって内層２の硬度が大きくなるおそれがある。そこで、外層３は、常温で硬化するシリコンゴムを用いて形成するのが好ましい。この場合、外層３の形成時には内層２が加熱されることはないので、内層２の硬度が大きくなるのを防止することができるものである。   Further, both the inner layer 2 and the outer layer 3 can be formed by vulcanization, but when the outer layer 3 is formed by vulcanization after the inner layer 2 is formed by vulcanization, the outer layer 3 is vulcanized. The inner layer 2 is excessively heated, which may increase the hardness of the inner layer 2. Therefore, the outer layer 3 is preferably formed using silicon rubber that cures at room temperature. In this case, since the inner layer 2 is not heated when the outer layer 3 is formed, the hardness of the inner layer 2 can be prevented from increasing.

また、建築用板材４に施された凹凸模様５の凸部６の表面のみを一層均一に塗装するためには、外層３の厚みが４〜６ｍｍであることが好ましい。   Moreover, in order to coat only the surface of the convex part 6 of the uneven | corrugated pattern 5 given to the board | plate material 4 for construction more uniformly, it is preferable that the thickness of the outer layer 3 is 4-6 mm.

そして、本発明に係る塗装用ロールＡによれば、内層２の硬度が外層３の硬度より小さいので、図１のように凹凸模様５が施された建築用板材４を塗装するにあたって、建築用板材４の板厚がばらついていたり、凹凸模様５の凸部６の高さが不規則な場合であっても、内層２が変形して緩和することによって加圧力が一定となり、建築用板材４に施された凹凸模様５の凸部６の表面をムラなく均一に塗装することができるものである。なお、建築用板材４としては、例えば、セメント繊維板で形成されるものを用いることができる。また、建築用板材４に施される凹凸模様５の凸部６の高さは３ｍｍ以上であることが好ましい。   And according to the roll A for coating which concerns on this invention, since the hardness of the inner layer 2 is smaller than the hardness of the outer layer 3, when coating the board | plate material 4 with the uneven | corrugated pattern 5 given like FIG. Even if the thickness of the plate material 4 varies or the height of the convex portion 6 of the concavo-convex pattern 5 is irregular, the applied pressure becomes constant as the inner layer 2 is deformed and relaxed, and the building plate material 4 The surface of the convex part 6 of the concavo-convex pattern 5 applied to the surface can be uniformly coated without unevenness. In addition, as the board | plate material 4 for construction, what is formed with a cement fiber board can be used, for example. Moreover, it is preferable that the height of the convex part 6 of the uneven | corrugated pattern 5 given to the board | plate material 4 for construction is 3 mm or more.

以下、本発明を実施例によって具体的に説明する。   Hereinafter, the present invention will be specifically described by way of examples.

下記［表１］に示すように、長軸状の鉄芯の外周に内層（スポンジ）を巻装し、さらにこの内層の外周に外層（シリコンゴム）を巻装することによって、実施例１〜５及び比較例４〜８の塗装用ロール（２層構造）を形成した。   As shown in [Table 1] below, the inner layer (sponge) is wound around the outer periphery of the long-axis iron core, and further the outer layer (silicon rubber) is wound around the outer periphery of the inner layer, so 5 and Comparative Examples 4 to 8 coating rolls (two-layer structure) were formed.

また、長軸状の鉄芯の外周に直接外層（シリコンゴム）を巻装することによって、比較例１〜３の塗装用ロール（単層構造）を形成した。   Moreover, the coating roll (single layer structure) of Comparative Examples 1-3 was formed by winding an outer layer (silicon rubber) directly on the outer periphery of a long-axis iron core.

そして、各塗装用ロールを用いて、凹凸模様（凸部の高さ：３ｍｍ）が施されたセメント繊維板に水系アクリル塗料を塗布し、塗装状態を目視により観察した。その結果を下記［表１］に示す。   And the water-based acrylic coating material was apply | coated to the cement fiber board to which the uneven | corrugated pattern (the height of a convex part: 3 mm) was given using each roll for coating, and the coating state was observed visually. The results are shown in [Table 1] below.

Figure 2008229420
Figure 2008229420

上記［表１］にみられるように、実施例１〜５の塗装用ロールによれば、比較例１〜８の塗装用ロールに比べて、建築用板材に施された凹凸模様の凸部の表面をムラなく均一に塗装できることが確認される。   As can be seen from the above [Table 1], according to the coating rolls of Examples 1 to 5, compared to the coating rolls of Comparative Examples 1 to 8, the convex portions of the concavo-convex pattern applied to the building board material It is confirmed that the surface can be evenly and uniformly coated.

本発明の実施の形態の一例を示す断面図である。It is sectional drawing which shows an example of embodiment of this invention.

符号の説明Explanation of symbols

Ａ 塗装用ロール
１ 芯材
２ 内層
３ 外層 A coating roll 1 core material 2 inner layer 3 outer layer

Claims (2)

芯材の外周に内層を巻装し、この内層の外周に外層を巻装して形成される塗装用ロールにおいて、内層が硬度１０〜３０°のスポンジで形成され、外層が硬度３０〜６０°のゴムで形成されていると共に、内層の硬度が外層の硬度より小さいことを特徴とする塗装用ロール。   In a coating roll formed by winding an inner layer around the outer periphery of the core material and winding the outer layer around the inner layer, the inner layer is formed of a sponge having a hardness of 10 to 30 °, and the outer layer has a hardness of 30 to 60 °. A coating roll characterized in that the hardness of the inner layer is smaller than the hardness of the outer layer. 内層の厚みが８〜２０ｍｍ、外層の厚みが４〜６ｍｍであることを特徴とする請求項１に記載の塗装用ロール。   The coating roll according to claim 1, wherein the inner layer has a thickness of 8 to 20 mm, and the outer layer has a thickness of 4 to 6 mm.
JP2007069044A 2007-03-16 2007-03-16 Paint roll Expired - Fee Related JP5265877B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011230102A (en) * 2010-04-30 2011-11-17 Kinyosha Co Ltd Coating roll for thin film formation, coating method, and coating apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0838967A (en) * 1994-07-27 1996-02-13 Fujikura Kasei Co Ltd Roll coating apparatus
JP2000070805A (en) * 1998-08-26 2000-03-07 Kubota Corp Decoration of inorganic building material
JP2000301039A (en) * 1999-04-21 2000-10-31 Kubota Corp Coating roll for ceramic rabid plate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0838967A (en) * 1994-07-27 1996-02-13 Fujikura Kasei Co Ltd Roll coating apparatus
JP2000070805A (en) * 1998-08-26 2000-03-07 Kubota Corp Decoration of inorganic building material
JP2000301039A (en) * 1999-04-21 2000-10-31 Kubota Corp Coating roll for ceramic rabid plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011230102A (en) * 2010-04-30 2011-11-17 Kinyosha Co Ltd Coating roll for thin film formation, coating method, and coating apparatus

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