JPH0834012A - Manufacture of colored cement plate - Google Patents
Manufacture of colored cement plateInfo
- Publication number
- JPH0834012A JPH0834012A JP17223594A JP17223594A JPH0834012A JP H0834012 A JPH0834012 A JP H0834012A JP 17223594 A JP17223594 A JP 17223594A JP 17223594 A JP17223594 A JP 17223594A JP H0834012 A JPH0834012 A JP H0834012A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- colored
- cement
- base material
- colored cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Panels For Use In Building Construction (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、着色セメント板の製造
方法に関し、更に詳しくは、セメントを主成分とするス
ラリー原料から基材層を形成し、その基材層の表面に、
セメント及び顔料を主成分とする着色セメント層を形成
することにより、前記顔料にて着色されたセメント板を
製造する着色セメント板の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a colored cement board, and more specifically, a base material layer is formed from a slurry raw material containing cement as a main component, and the surface of the base material layer is formed.
The present invention relates to a method for producing a colored cement board, in which a cement board colored with the pigment is produced by forming a colored cement layer containing cement and a pigment as main components.
【０００２】[0002]
【従来の技術】従来の着色セメント板の製造方法（以
下、従来方法という）を用いて、図５に示す着色セメン
ト板を製造する場合は、セメントを主成分とするスラリ
ー原料から基材層１を形成した後、その基材層１の表面
にセメント及び顔料を散布した上で適宜処理（例えば、
プレス処理）を施すことにより、前記基材層１の表面に
セメント及び顔料を主成分とする着色セメント層４を形
成していた。尚、前記着色セメント層４の形成時に、そ
のセメント層４の上に着色砂７を形成したり、前記着色
セメント層４の形成後に、前記着色砂７の層を被覆保護
するエマルジョン塗布層８を形成したり、これら複数の
層よりなる板状体を養生硬化したりする処理を、必要に
応じて実施するのはいうまでもない。2. Description of the Related Art When the colored cement board shown in FIG. 5 is manufactured using a conventional method for manufacturing a colored cement board (hereinafter referred to as a conventional method), a base material layer 1 is prepared from a slurry raw material containing cement as a main component. After forming, the cement and the pigment are sprinkled on the surface of the base material layer 1 and appropriately treated (for example,
By performing a press treatment, a colored cement layer 4 containing cement and a pigment as main components was formed on the surface of the base material layer 1. Incidentally, when the colored cement layer 4 is formed, a colored sand 7 is formed on the cement layer 4, or an emulsion coating layer 8 for covering and protecting the layer of the colored sand 7 is formed after the colored cement layer 4 is formed. It goes without saying that a treatment of forming or curing and curing the plate-shaped body composed of a plurality of these layers is carried out as necessary.
【０００３】[0003]
【発明が解決しようとする課題】このような従来方法を
用いて製造された着色セメント板においては、気温の変
化等に起因する水分の凍結・融解が繰り返されるような
条件下で、前記基材層１及び前記着色セメント層４の両
層間へ浸入した水分が凍結し膨張するという現象が繰り
返し発生し、その現象に基づいて、前記着色セメント板
における前記両層１，４間の一部で層間破壊が発生し、
前記着色セメント層４の一部が前記基材層１から剥がれ
落ちて、前記着色セメント板における前記着色による美
観が損なわれるようになる、という問題があった。本発
明は、このような実情に着目してなされたものであり、
上述した従来の問題を解消し得る手段を提供することを
目的としている。In the colored cement board manufactured by using such a conventional method, the above-mentioned base material is used under the condition that the freezing and thawing of water due to the change of temperature are repeated. The phenomenon that the water that has penetrated into both layers of the layer 1 and the colored cement layer 4 freezes and expands repeatedly, and on the basis of this phenomenon, the layer between the layers 1 and 4 of the colored cement plate is partially separated. Destruction occurs,
There is a problem that a part of the colored cement layer 4 is peeled off from the base material layer 1 and the aesthetic appearance of the colored cement plate due to the coloring is impaired. The present invention has been made paying attention to such a situation,
It is an object of the present invention to provide means capable of solving the above-mentioned conventional problems.
【０００４】[0004]
【課題を解決するための手段】本発明に係る着色セメン
ト板の製造方法（以下、本発明方法という）は、セメン
トを主成分とするスラリー原料から基材層を形成し、そ
の基材層の表面に、セメント及び顔料を主成分とする着
色セメント層を形成することにより、前記顔料にて着色
されたセメント板を製造する着色セメント板の製造方法
であって、少なくとも前記着色セメント層における前記
基材層との界面部に、平均径が１μｍ以下の微粒子を豊
富に含ませた微粒子含有セメント層を形成する点に特徴
を有している。The method for producing a colored cement board according to the present invention (hereinafter referred to as the method of the present invention) comprises forming a base material layer from a slurry raw material containing cement as a main component, A method for producing a colored cement board for producing a cement board colored with the pigment by forming a colored cement layer containing cement and a pigment as a main component on the surface, wherein at least the base in the colored cement layer. It is characterized in that a fine particle-containing cement layer containing abundant fine particles having an average diameter of 1 μm or less is formed at the interface with the material layer.
【０００５】[0005]
【作用】このような特徴を備えた本発明方法によれば、
前記着色セメント層における前記基材層との界面部に、
前記微粒子含有セメント層が形成されるようになる。そ
して、その微粒子含有セメント層は、前記セメントや前
記顔料の平均径よりも平均径が十分に小さい１μｍ以下
の微粒子を豊富に含んでいるため、その微粒子を含んで
いない着色セメント層と異なって緻密な層となり、その
緻密な微粒子含有セメント層の存在によって、前記基材
層及び前記着色セメント層の両層間への水分の浸入が抑
えられる。従って、気温の変化等に起因して水分の凍結
・融解が繰り返されるような条件下においても、従来は
生じていた前記両層間での水分の凍結・膨張の繰り返し
発生が抑止され、その抑止によって、前記両層間の一部
での層間破壊の発生が抑止されるようになる。According to the method of the present invention having the above characteristics,
At the interface portion with the base material layer in the colored cement layer,
The fine particle-containing cement layer is formed. Since the fine particle-containing cement layer contains abundant fine particles of 1 μm or less having an average diameter sufficiently smaller than the average diameter of the cement or the pigment, unlike the colored cement layer that does not include the fine particles, it is dense. The presence of the dense fine particle-containing cement layer suppresses the infiltration of water between the base material layer and the colored cement layer. Therefore, even under conditions in which water freezes / thaws repeatedly due to changes in temperature, etc., the repeated occurrence of water freeze / expansion between the two layers, which has conventionally occurred, is suppressed. Thus, the occurrence of interlayer breakage in a part of both layers can be suppressed.
【０００６】[0006]
【発明の効果】従って、前記着色セメント層の一部が前
記基材層から剥がれ落ちて、前記着色セメント板におけ
る前記着色による美観が損なわれるようになる、という
従来の問題が回避されて、本発明の目的が達成されるよ
うになる。Therefore, the conventional problem that a part of the colored cement layer is peeled off from the base material layer and the aesthetic appearance of the colored cement plate due to the coloring is impaired is avoided, and the present invention is avoided. The object of the invention is achieved.
【０００７】尚、前記微粒子含有セメント層を形成する
に際し、前記基材層上に前記微粒子を散布した上から、
前記着色セメント層の主成分原料を供給することとすれ
ば、前記基材層との界面部で、前記微粒子と前記着色セ
メント層の主成分原料とが混じり合って、前記微粒子含
有セメント層の形成が容易に行われる。そして、前記微
粒子がシリカヒュームである場合は、そのシリカヒュー
ムの平均径が、上記作用・効果を発揮するのに好適な値
（具体的には、平均径：０．０１μｍ、ブレーン値：２
００，０００ｃｍ2 ／ｇ程度）となって好都合である。
また、シリカヒュームはセメントとの反応性も良好であ
る。そして、前記微粒子としてシリカヒュームを採用し
た場合、そのシリカヒュームの散布量は、５０ｇ／ｍ2
以上に設定することにより、上記作用・効果が有効に発
揮されることが、図２に示す試験結果から明らかであ
る。In forming the fine particle-containing cement layer, the fine particles are sprayed on the base material layer,
If the main component raw material of the colored cement layer is supplied, the fine particles and the main component raw material of the colored cement layer are mixed at the interface with the base material layer to form the fine particle-containing cement layer. Is easily done. When the fine particles are silica fume, the average diameter of the silica fume is a value suitable for exerting the above-mentioned actions and effects (specifically, average diameter: 0.01 μm, Blaine value: 2).
It is convenient to be about 0,000 cm 2 / g).
Silica fume also has good reactivity with cement. When silica fume is used as the fine particles, the amount of silica fume sprayed is 50 g / m 2
It is clear from the test results shown in FIG. 2 that the above actions and effects are effectively exhibited by setting the above.
【０００８】また、前記微粒子含有セメント層を形成す
るに際し、前記着色セメント層の主成分原料に前記微粒
子を豊富に混合させた微粒子混合原料を、前記基材層上
に供給することとすれば、その微粒子混合原料の供給に
よって形成される層の一部が前記微粒子含有セメント層
の形成に寄与するので、前記基材層上への原料供給回数
を減らすことができ、作業性が向上する。Further, when forming the fine particle-containing cement layer, if a fine particle mixed raw material in which the fine particles are abundantly mixed with the main component raw material of the colored cement layer is supplied onto the base material layer, Since a part of the layer formed by the supply of the fine particle mixed raw material contributes to the formation of the fine particle-containing cement layer, the number of times the raw material is supplied onto the base material layer can be reduced and the workability is improved.
【０００９】また、前記微粒子含有セメント層を形成す
るに際し、前記着色セメント層の主成分に前記微粒子を
予め混入した微粒子混入原料を、前記基材層の表面に供
給した上から、前記着色セメント層の主成分原料を供給
することとすれば、前記着色セメント層の主成分原料に
前記微粒子を豊富に混合させた微粒子混合原料を、前記
基材層上に供給する場合に比し、前記微粒子の供給量を
少なくすることができる。In forming the fine particle-containing cement layer, a fine particle-containing raw material in which the fine particles are mixed in advance with the main component of the colored cement layer is supplied to the surface of the base material layer, and then the colored cement layer is formed. If the main component raw material is supplied, the fine particle mixed raw material in which the fine particles are abundantly mixed in the main component raw material of the colored cement layer, as compared with the case of being supplied on the base material layer, The supply amount can be reduced.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。尚、図面において従来例と同一の符号で表示した
部分は同一又は相当の部分を示している。Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the portions denoted by the same reference numerals as the conventional example indicate the same or corresponding portions.
【００１１】図１には、本発明方法の第１実施例（請求
項１〜請求項３に対応）が模式的に示されている。この
本発明方法においても、先ず、セメントを主成分とする
スラリー原料から基材層１を形成する。そして、前記基
材層１の表面に、セメント２及び顔料３を主成分とする
着色セメント層４を形成するに際し、先ず、平均径が１
μｍ以下であり、セメントとの反応性が良好な微粒子５
（具体的には、平均径：０．０１μｍ、ブレーン値：２
００，０００ｃｍ2 ／ｇ程度のシリカヒューム）を、散
布量：５０ｇ／ｍ2 以上で散布する。この散布量の設定
は、シリカヒュームの散布量（単位：ｇ／ｍ2 ）を横軸
に、ＡＳＴＥＭ Ｃ６６６での凍結・融解：３００サイ
クル後の平面引張強度（単位：ＭＰａ）を縦軸にとって
両者の相関を調査した試験結果（即ち、散布量：５０ｇ
／ｍ2 以上の条件では、平面引張強度が２．０ＭＰａに
近い値に飽和するようになり、基材層１と着色セメント
層４との層間破壊が回避されて基材層１での破壊が生じ
ることを確認した結果）に基づいて行った。そして、そ
の上から、セメント２及び顔料３を主成分とする着色セ
メント原料を散布した後、プレス処理にかけることによ
り、前記基材層１の表面にセメント及び顔料を主成分と
する着色セメント層４を形成すると共に、前記着色セメ
ント層４における前記基材層１との界面部に、平均径が
１μｍ以下の微粒子５を豊富に含ませた微粒子含有セメ
ント層６を形成する。尚、この本発明方法においても、
上述の処理以外の各種処理を従来と同様に必要に応じて
施すのはいうまでもない。例えば、前記着色セメント層
４の形成に際し、そのセメント層４の上に着色砂７の層
を形成すべく、前記プレス処理にかける前に前記着色砂
７（図５参照）を散布したり、前記着色砂７の層を被覆
保護するエマルジョン塗布層８（図５参照）を形成すべ
く、前記プレス処理にかける前に、前記エマルジョンの
塗布を行ったり、これら複数の層よりなる板状体を養生
硬化したりする処理を必要に応じて実施するのはいうま
でもない。FIG. 1 schematically shows a first embodiment of the method of the present invention (corresponding to claims 1 to 3). Also in this method of the present invention, first, the base material layer 1 is formed from a slurry raw material containing cement as a main component. When the colored cement layer 4 containing the cement 2 and the pigment 3 as main components is formed on the surface of the base material layer 1, first, the average diameter is 1
Fine particles 5 of less than μm and having good reactivity with cement
(Specifically, average diameter: 0.01 μm, Blaine value: 2
Silica fume (about 0,000 cm 2 / g) is sprayed at a spray rate of 50 g / m 2 or more. This amount of spray is set by setting the amount of silica fume sprayed (unit: g / m 2 ) on the horizontal axis, and freeze / thaw with ASTEM C666: plane tensile strength after 300 cycles (unit: MPa) on the vertical axis. Test result of investigating the correlation of (that is, spray amount: 50 g
Under a condition of / m 2 or more, the plane tensile strength becomes saturated to a value close to 2.0 MPa, the interlaminar fracture between the base material layer 1 and the colored cement layer 4 is avoided, and the base material layer 1 is destroyed. The result was confirmed). Then, from above, a colored cement raw material containing cement 2 and pigment 3 as main components is sprayed and then subjected to a press treatment, whereby the surface of the base material layer 1 is provided with a colored cement layer containing cement and pigment as main components. 4 is formed, and a fine particle-containing cement layer 6 containing abundant fine particles 5 having an average diameter of 1 μm or less is formed at the interface between the colored cement layer 4 and the base material layer 1. Incidentally, also in this method of the present invention,
It goes without saying that various kinds of processing other than the above-described processing are performed as necessary in the same manner as in the conventional case. For example, in forming the colored cement layer 4, in order to form a layer of colored sand 7 on the cement layer 4, the colored sand 7 (see FIG. 5) is sprayed before the pressing treatment, or In order to form an emulsion coating layer 8 (see FIG. 5) that covers and protects the layer of colored sand 7, the emulsion is coated or the plate-shaped body composed of these layers is cured before being subjected to the press treatment. It goes without saying that a treatment for hardening is carried out as necessary.
【００１２】このような本発明方法によれば、着色セメ
ント層４における基材層１との界面部に、前記微粒子含
有セメント層６が形成されるようになる。そして、その
微粒子含有セメント層６は、セメント２や顔料３の平均
径よりも平均径が十分に小さい１μｍ以下の微粒子５を
豊富に含んでいるため、その微粒子５を含んでいない従
来の着色セメント層と異なって緻密な層となり、その緻
密な微粒子含有セメント層６の存在によって、基材層１
及び着色セメント層４の両層間への水分の浸入が抑えら
れる。従って、気温の変化等に起因して水分の凍結・融
解が繰り返されるような条件下においても、従来は生じ
ていた前記両層１，４間での水分の凍結・膨張の繰り返
し発生が抑止され、その抑止によって、前記両層１，４
間の一部での層間破壊の発生が抑止されるようになる。
尚、前記微粒子５は、セメント２との反応性も良好なの
で、前記微粒子含有セメント層６の形成も容易に行われ
るようになる。According to the method of the present invention as described above, the fine particle-containing cement layer 6 is formed at the interface between the colored cement layer 4 and the base material layer 1. The fine particle-containing cement layer 6 contains abundant fine particles 5 having an average diameter of 1 μm or less, which is sufficiently smaller than the average diameter of the cement 2 and the pigment 3. The layer becomes a dense layer different from the layer, and the presence of the dense fine particle-containing cement layer 6 makes the base material layer 1
Also, the infiltration of water between both layers of the colored cement layer 4 is suppressed. Therefore, even under the condition that the freezing and thawing of water is repeated due to the change of temperature, the repeated occurrence of the freezing and expansion of water between the layers 1 and 4 which is conventionally generated is suppressed. , Both layers 1, 4 due to the suppression
The occurrence of interlaminar breakdown in a part of the space is suppressed.
Since the fine particles 5 have good reactivity with the cement 2, the fine particle-containing cement layer 6 can be easily formed.
【００１３】次に、別実施例について説明する。前記微
粒子含有セメント層６を形成するに際し、図３に示すよ
うに、前記着色セメント層４の主成分原料に平均径が１
μｍ以下の微粒子５を豊富に混合させた微粒子混合原料
を、前記基材層１上に供給する第２実施例（請求項５に
対応）も考えられる。この第２実施例においては、前記
着色セメント層４の全体に前記微粒子５が豊富に混合さ
れており、従って、前記着色セメント層４における前記
基材層１との界面部に、前記微粒子５が豊富に含まれた
前記微粒子含有セメント層６が形成される。Next, another embodiment will be described. When forming the fine particle-containing cement layer 6, as shown in FIG. 3, the main component raw material of the colored cement layer 4 has an average diameter of 1
A second embodiment (corresponding to claim 5) is also conceivable in which a fine particle mixed raw material in which fine particles 5 having a size of not more than μm are abundantly mixed is supplied onto the base material layer 1. In this second embodiment, the fine particles 5 are abundantly mixed in the entire colored cement layer 4, so that the fine particles 5 are present at the interface between the colored cement layer 4 and the base material layer 1. The abundantly contained fine particle-containing cement layer 6 is formed.
【００１４】前記微粒子含有セメント層６を形成するに
際し、図４に示すように、前記着色セメント層４の主成
分に平均径が１μｍ以下の微粒子５を予め混入した微粒
子混入原料を、前記基材層１の表面に供給した上から、
前記着色セメント層４の主成分原料を供給する第３実施
例（請求項６に対応）も考えられる。In forming the fine particle-containing cement layer 6, as shown in FIG. 4, a fine particle mixed raw material in which fine particles 5 having an average diameter of 1 μm or less are mixed in advance in the main component of the colored cement layer 4 is used as the base material. After supplying to the surface of layer 1,
A third embodiment (corresponding to claim 6) of supplying the main ingredient material of the colored cement layer 4 is also conceivable.
【００１５】前記微粒子５としては、シリカヒューム以
外の微粒子（例えば、平均径：１μｍ〜０．０１μｍの
微細粉末に調製された、活性白土、ベントナイト、カー
ボンブラック等）も考えられる。尚、ベントナイトやカ
ーボンブラックは、セメントとの反応性は良好でない
が、それら微粒子が存在しても、セメント同士の結合に
よって、前記微粒子含有セメント層の形成は実質的に行
われる。As the fine particles 5, fine particles other than silica fume (for example, activated clay, bentonite, carbon black prepared as fine powder having an average diameter of 1 μm to 0.01 μm) can be considered. Bentonite and carbon black do not have good reactivity with cement, but even if such fine particles are present, the cement layer containing the fine particles is substantially formed by bonding the cements.
【００１６】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明方法の第１実施例を模式的に示す説明図FIG. 1 is an explanatory view schematically showing a first embodiment of the method of the present invention.
【図２】微粒子散布量の適正条件を決定する試験の結果
を示すグラフFIG. 2 is a graph showing the result of a test for determining an appropriate condition for the amount of fine particles sprayed.
【図３】本発明方法の第２実施例を模式的に示す説明図FIG. 3 is an explanatory view schematically showing a second embodiment of the method of the present invention.
【図４】本発明方法の第３実施例を模式的に示す説明図FIG. 4 is an explanatory view schematically showing a third embodiment of the method of the present invention.
【図５】着色セメント板の断面を模式的に示す説明図FIG. 5 is an explanatory view schematically showing a cross section of a colored cement board.
１ 基材層 ２ セメント ３ 顔料 ４ 着色セメント層 ５ 微粒子 ６ 微粒子含有セメント層 1 Base Material Layer 2 Cement 3 Pigment 4 Colored Cement Layer 5 Fine Particles 6 Fine Particle-Containing Cement Layer
Claims (6)
ら基材層（１）を形成し、その基材層（１）の表面に、
セメント（２）及び顔料（３）を主成分とする着色セメ
ント層（４）を形成することにより、前記顔料（３）に
て着色されたセメント板を製造する着色セメント板の製
造方法であって、少なくとも前記着色セメント層（４）
における前記基材層（１）との界面部に、平均径が１μ
ｍ以下の微粒子（５）を豊富に含ませた微粒子含有セメ
ント層（６）を形成する着色セメント板の製造方法。1. A base material layer (1) is formed from a slurry raw material containing cement as a main component, and the surface of the base material layer (1) is
A method for producing a colored cement board, comprising producing a cement board colored with the pigment (3) by forming a colored cement layer (4) containing cement (2) and a pigment (3) as main components. , At least the colored cement layer (4)
In the interface with the base material layer (1), the average diameter is 1 μm.
A method for producing a colored cement board, which comprises forming a fine particle-containing cement layer (6) containing abundant fine particles (5) of m or less.
するに際し、前記基材層（１）上に前記微粒子（５）を
散布した上から、前記着色セメント層（４）の主成分原
料を供給する請求項１記載の着色セメント板の製造方
法。2. When the fine particle-containing cement layer (6) is formed, the fine particle (5) is sprinkled on the base material layer (1) and then the main ingredient material of the colored cement layer (4) is added. The method for producing a colored cement board according to claim 1, wherein the colored cement board is supplied.
る請求項２記載の着色セメント板の製造方法。3. The method for producing a colored cement board according to claim 2, wherein the fine particles (5) are silica fume.
／ｍ2 以上に設定する請求項３記載の着色セメント板の
製造方法。4. The amount of silica fume sprayed is 50 g.
/ M 2 or more, the method for producing a colored cement board according to claim 3.
するに際し、前記着色セメント層（４）の主成分原料に
前記微粒子（５）を豊富に混合させた微粒子混合原料
を、前記基材層（１）上に供給する請求項１記載の着色
セメント板の製造方法。5. When forming the fine particle-containing cement layer (6), the fine particle mixed raw material in which the fine particle (5) is abundantly mixed with the main component raw material of the colored cement layer (4) is used as the base material layer. (1) The method for producing a colored cement board according to claim 1, which is supplied on top.
するに際し、前記着色セメント層（４）の主成分に前記
微粒子（５）を予め混入した微粒子混入原料を、前記基
材層（１）の表面に供給した上から、前記着色セメント
層（４）の主成分原料を供給する請求項１記載の着色セ
メント板の製造方法。6. When forming the fine particle-containing cement layer (6), a fine particle-containing raw material obtained by mixing the fine particles (5) in the main component of the colored cement layer (4) in advance is used as the base material layer (1). The method for producing a colored cement board according to claim 1, wherein the main component raw material of the colored cement layer (4) is supplied after being supplied to the surface of the colored cement board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17223594A JPH0834012A (en) | 1994-07-25 | 1994-07-25 | Manufacture of colored cement plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17223594A JPH0834012A (en) | 1994-07-25 | 1994-07-25 | Manufacture of colored cement plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0834012A true JPH0834012A (en) | 1996-02-06 |
Family
ID=15938124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17223594A Pending JPH0834012A (en) | 1994-07-25 | 1994-07-25 | Manufacture of colored cement plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0834012A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094419A (en) * | 2001-09-25 | 2003-04-03 | Sumikin Frc Kk | Outer wall material excellent in weatherability and method for manufacturing the same |
-
1994
- 1994-07-25 JP JP17223594A patent/JPH0834012A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094419A (en) * | 2001-09-25 | 2003-04-03 | Sumikin Frc Kk | Outer wall material excellent in weatherability and method for manufacturing the same |
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