JPH07100814A - Manufacture of cement molded item - Google Patents
Manufacture of cement molded itemInfo
- Publication number
- JPH07100814A JPH07100814A JP24780793A JP24780793A JPH07100814A JP H07100814 A JPH07100814 A JP H07100814A JP 24780793 A JP24780793 A JP 24780793A JP 24780793 A JP24780793 A JP 24780793A JP H07100814 A JPH07100814 A JP H07100814A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- molded product
- cement molded
- composition
- molded item
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は建材として用いて好適な
セメント成形品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 cement molded product suitable for use as a building material.
【０００２】[0002]
【従来の技術】従来、合板の表面を天然木材用様外観に
仕上げる方法として、特公昭52-28842号公報に記載の如
く、合板の表面の模様部分と模様以外の部分との間に 5
以上の光沢差（60°/ 60°鏡面光沢計による）を付与
し、視覚的な立体感を得ることができるようにしたもの
がある。この従来技術は、合板上に熱分解型発泡剤を 5
〜60重量％混入せしめた塗料または印刷剤を必要な木
目、導管等の木面模様を構成するよう模様上に塗布し、
ついで上塗り塗料を塗布した後、加熱して乾燥させるも
のである。2. Description of the Related Art Conventionally, as a method for finishing the surface of plywood to have an appearance similar to that of natural wood, as described in Japanese Patent Publication No. 52-28842, there is provided a method between a pattern portion and a non-pattern portion of the surface of the plywood.
There is one that gives the above-mentioned gloss difference (by a 60 ° / 60 ° specular gloss meter) to obtain a visual three-dimensional effect. This conventional technology uses a pyrolytic foaming agent on plywood.
Apply paint or printing agent mixed with ~ 60% by weight on the pattern to form the required wood pattern such as wood grain or conduit,
Then, after applying the top coat, it is heated and dried.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、従来技術
には、下記、の問題点がある。 合板の表面に模様状塗料と上塗り塗料とを塗布するこ
とにて所望の木目模様を付与するものであるが、模様状
塗料の塗布位置等のばらつきが木目模様のばらつきとな
り、製品精度の向上に困難がある。However, the prior art has the following problems. Although a desired wood grain pattern is applied by applying a pattern paint and a top coat paint to the surface of plywood, variations in the application position of the pattern paint will cause variations in the wood grain pattern, improving product accuracy. There are difficulties.
【０００４】模様状塗料と上塗り塗料の 2種類の塗料
を塗布するものであるから、塗装工数が複雑で、塗装コ
ストも高くなる。Since two types of paints, that is, a pattern paint and a topcoat paint, are applied, the number of coating steps is complicated and the coating cost is high.
【０００５】本発明は、セメント成形品の表面に立体感
を付与するに際し、製品精度を容易に向上し、且つ塗装
工数と塗装コストを削減して生産性を向上することを目
的とする。It is an object of the present invention to easily improve the product precision when imparting a three-dimensional effect to the surface of a cement molded product, and to reduce the number of coating steps and the coating cost to improve the productivity.
【０００６】[0006]
【課題を解決するための手段】請求項１に記載の本発明
は、セメント組成物を成形型により加熱、加圧して成形
するセメント成形品の製造方法において、成形型の成形
面に 5以上の光沢差（60°/ 60°鏡面光沢計による）を
呈する凹凸を付与しておき、この成形型にセメント組成
物を供給して加熱、加圧することにて、成形型の上記凹
凸を転写されたセメント成形品を成形し、このセメント
成形品の凹凸表面に塗装を施すようにしたものである。The present invention according to claim 1 is a method for producing a cement molded article, which comprises molding a cement composition by heating and pressurizing the cement composition with a molding die. Concavities and convexities exhibiting a gloss difference (60 ° / 60 ° specular gloss meter) are provided, and the cement composition is supplied to the molding die and heated and pressed to transfer the irregularities of the molding die. The cement molded product is molded, and the uneven surface of the cement molded product is coated.
【０００７】請求項２に記載の本発明は、請求項１記載
の本発明において更に、前記セメント組成物が、ポルト
ランドセメントと、アルミナセメントと、無水石膏及び
／又は半水石膏と、有機カルボン酸のアルカリ金属塩又
はリン酸のアルカリ金属塩とを含む加熱硬化型セメント
組成物であるようにしたものである。The present invention according to claim 2 is the same as in the present invention according to claim 1, wherein the cement composition is Portland cement, alumina cement, anhydrous gypsum and / or hemihydrate gypsum, and organic carboxylic acid. A heat-curable cement composition containing the alkali metal salt of 1. or the alkali metal salt of phosphoric acid.
【０００８】[0008]
【作用】本発明によれば、下記、の作用がある。 セメント成形品の表面に付与される立体感は、成形型
から転写される凹凸が呈する 5以上の光沢差に起因す
る。そして、このセメント成形品に転写される凹凸は、
該セメント成形品の素材であるセメント組成物の成形型
による加圧成形と同時に付与されるものであり、成形品
間での凹凸位置等のばらつきは極めて小さい。従って、
セメント成形品の表面に付与される立体感は成形品間で
略均等であり、製品精度を容易に向上し得る。According to the present invention, there are the following actions. The three-dimensional effect imparted to the surface of the cement molded product is due to the difference in gloss of 5 or more exhibited by the unevenness transferred from the molding die. And the unevenness transferred to this cement molded product is
The cement composition, which is the raw material of the cement molded product, is applied at the same time as the pressure molding by the molding die, and the unevenness in the uneven position among the molded products is extremely small. Therefore,
The three-dimensional effect imparted to the surface of the cement molded product is substantially uniform among the molded products, and the product precision can be easily improved.
【０００９】セメント成形品の表面に付与される 5以
上の光沢差は、上述の通り、該セメント成形品の成形型
による加圧成形と同時に短時間に付与されて二次加工の
必要がない。然も該セメント成形品の表面に施す塗装
は、凹凸付与された当該表面に対する上塗り用としての
１種類の塗料だけで足りる。従って、塗装工数と塗装コ
ストを削減して生産性を向上できる。As described above, the gloss difference of 5 or more imparted to the surface of the cement molded product is imparted in a short time at the same time as the pressure molding by the molding die of the cement molded product, and no secondary processing is required. Needless to say, the coating applied to the surface of the cement molded product is only one kind of paint for the top coating on the surface having the irregularities. Therefore, the number of painting steps and the painting cost can be reduced to improve the productivity.
【００１０】[0010]
【実施例】図１は本発明による製造工程を示す模式図で
ある。本発明は、セメント組成物を成形型により加熱、
加圧して立体感を備えたセメント成形品を成形し、この
セメント成形品を建材等に用いることを可能とするもの
である。以下、本発明の製造方法の一例について説明す
る（図１）。EXAMPLE FIG. 1 is a schematic view showing a manufacturing process according to the present invention. The present invention, the cement composition is heated by a mold,
It is possible to apply pressure to form a cement molded product having a three-dimensional effect, and use this cement molded product as a building material or the like. Hereinafter, an example of the manufacturing method of the present invention will be described (FIG. 1).
【００１１】(1) 成形型（金型）１１の成形面に 5以上
の光沢差を呈する凹凸（凹部１２Ａ、凸部１２Ｂ）を付
与する（図１（Ａ））。凸部１２Ｂにはやすり刃の如く
のぎざぎざ模様が付与される。(1) Concavities and convexities (concave portions 12A, convex portions 12B) exhibiting a gloss difference of 5 or more are provided on the molding surface of the molding die (mold) 11 (FIG. 1 (A)). The convex portion 12B is provided with a jagged pattern like a rasp blade.
【００１２】尚、光沢の測定は、60°/ 60°鏡面光沢計
を用いた60°/ 60°鏡面反射法(JIS-K-5400-67）によ
る。The gloss is measured by a 60 ° / 60 ° specular reflection method (JIS-K-5400-67) using a 60 ° / 60 ° specular gloss meter.
【００１３】(2) 成形型１１にセメント組成物１３を供
給する（図１（Ｂ））。セメント組成物１３の供給方法
は、セメント組成物１３を注入または散布したり、ある
いは予備成形されたセメント組成物１３を単に静置する
等の適宜の手段が採用される。(2) The cement composition 13 is supplied to the molding die 11 (FIG. 1 (B)). As a method for supplying the cement composition 13, an appropriate means such as injecting or spraying the cement composition 13 or simply leaving the preformed cement composition 13 stationary is adopted.
【００１４】セメント組成物１３としては、例えば木片
セメント材料がある。この木片セメント材料は、例え
ば、加熱硬化型セメント組成物を 680重量部、予め水で
湿潤させた木粉（20〜30メッシュ）及び木片（50〜30m
m) を 280重量部、水／セメント組成物比＝ 0.65 の水
を混和したものを採用できる。また、加熱硬化型セメン
ト組成物は、例えば、ポルトランドセメントと、アルミ
ナセメントと、無水石膏及び／又は半水石膏と、有機カ
ルボン酸のアルカリ金属塩又はリン酸のアルカリ金属塩
とを含むものを採用できる。The cement composition 13 is, for example, a wood chip cement material. This wood chip cement material includes, for example, 680 parts by weight of a heat-curable cement composition, wood powder (20 to 30 mesh) and wood chips (50 to 30 m) that have been previously moistened with water.
It is possible to use a mixture of 280 parts by weight of m) and water having a water / cement composition ratio of 0.65. Further, the heat-curable cement composition employs, for example, Portland cement, alumina cement, anhydrous gypsum and / or hemihydrate gypsum, and an alkali metal salt of an organic carboxylic acid or an alkali metal salt of phosphoric acid. it can.
【００１５】(3) ホットプレスにより、セメント組成物
１３を成形型１１上で加熱、加圧する。セメント組成物
１３として上述の木片セメント材料を適用したときに
は、例えば加熱温度80〜85℃、加圧力25kg/cm2、加熱／
加圧時間20分とする。(3) The cement composition 13 is heated and pressed on the mold 11 by hot pressing. When the above-mentioned wood chip cement material is applied as the cement composition 13, for example, a heating temperature of 80 to 85 ° C., a pressing force of 25 kg / cm 2 , heating /
Pressurization time is 20 minutes.
【００１６】(4) 成形型１１から脱型してセメント成形
品１４を取出す。このとき、セメント成形品１４は、上
記(3) により、成形型１１の前述した凹凸を転写されて
いる（図１（Ｃ））。(4) The cement molded product 14 is taken out from the molding die 11 by taking out the mold. At this time, the above-mentioned unevenness of the molding die 11 is transferred to the cement molded product 14 by the above (3) (FIG. 1 (C)).
【００１７】(5) セメント成形品１４の凹凸表面に塗装
を施し、その後適宜の養生を施す（図１（Ｄ））。１５
は塗料である。これにより、セメント成形品１４の表面
には、凹凸による 5以上の光沢差が塗装面にも表われ、
立体感を呈する。(5) The uneven surface of the cement molded product 14 is painted and then appropriately cured (FIG. 1 (D)). 15
Is paint. As a result, on the surface of the cement molded product 14, a difference in gloss of 5 or more due to unevenness appears on the coated surface,
Has a three-dimensional effect.
【００１８】以下、本実施例の作用について説明する。 セメント成形品１４の表面に付与される立体感は、成
形型１１から転写される凹凸が呈する 5以上の光沢差に
起因する。そして、このセメント成形品１４に転写され
る凹凸は、該セメント成形品１４の素材であるセメント
組成物１３の成形型１１による加圧成形と同時に付与さ
れるものであり、成形品１４間での凹凸位置等のばらつ
きは極めて小さい。従って、セメント成形品１４の表面
に付与される立体感は成形品１４間で略均等であり、製
品精度を容易に向上し得る。The operation of this embodiment will be described below. The three-dimensional effect imparted to the surface of the cement molded product 14 is due to the difference in gloss of 5 or more exhibited by the irregularities transferred from the molding die 11. The unevenness transferred to the cement molded product 14 is given simultaneously with the pressure molding by the molding die 11 of the cement composition 13 which is the material of the cement molded product 14, and between the molded products 14. The variation in the uneven position is extremely small. Therefore, the three-dimensional effect imparted to the surface of the cement molded product 14 is substantially uniform among the molded products 14, and the product accuracy can be easily improved.
【００１９】セメント成形品１４の表面に付与される
5以上の光沢差は、上述の通り、該セメント成形品１４
の成形型１１による加圧成形と同時に短時間に付与され
て二次加工の必要がない。然も該セメント成形品１４の
表面に施す塗装は、凹凸付与された当該表面に対する上
塗り用としての１種類の塗料だけで足りる。従って、塗
装工数と塗装コストを削減して生産性を向上できる。Applied to the surface of the cement molded article 14.
As described above, the difference in gloss of 5 or more is 14
Since it is applied in a short time at the same time as the pressure molding by the molding die 11, there is no need for secondary processing. Needless to say, the surface of the cement molded article 14 need only be coated with one kind of coating material for top coating on the surface having the irregularities. Therefore, the number of painting steps and the painting cost can be reduced to improve the productivity.
【００２０】以上、本発明の実施例を図面により詳述し
たが、本発明の具体的な構成はこの実施例に限られるも
のではなく、本発明の要旨を逸脱しない範囲の設計の変
更等があっても本発明に含まれる。例えば、成形型によ
るセメント組成物の加熱／加圧条件は、セメント組成物
の組成等によって適宜選択し得るが、加熱温度としては
60〜 100℃、加圧力としては 5kg/cm2以上、加熱／加圧
時間としては20〜30分が好適である。また、セメント組
成物を構成し得る加熱硬化型セメント組成物等の組成
も、例えば、特開昭58-120584 号公報に詳述されている
組成等、適宜の組成を選択採用し得る。The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and changes in design within the scope not departing from the gist of the present invention can be made. Even if it exists, it is included in the present invention. For example, the heating / pressurizing conditions of the cement composition by the molding die can be appropriately selected depending on the composition of the cement composition and the like.
It is preferable that the temperature is 60 to 100 ° C., the applied pressure is 5 kg / cm 2 or more, and the heating / pressurizing time is 20 to 30 minutes. Further, as a composition such as a heat-curable cement composition that can form a cement composition, an appropriate composition can be selected and adopted, for example, the composition described in detail in JP-A-58-120584.
【００２１】[0021]
【発明の効果】以上のように本発明によれば、セメント
成形品の表面に立体感を付与するに際し、製品精度を容
易に向上し、且つ塗装工数と塗装コストを削減して生産
性を向上することができる。As described above, according to the present invention, when giving a three-dimensional effect to the surface of a cement molded product, the product precision can be easily improved, and the coating man-hour and the coating cost can be reduced to improve the productivity. can do.
【図１】図１は本発明による製造工程を示す模式図であ
る。FIG. 1 is a schematic view showing a manufacturing process according to the present invention.
１１ 成形型 １２Ａ 凹部 １２Ｂ 凸部 １３ セメント組成物 １４ セメント成形品 １５ 塗料 11 Mold 12A Recess 12B Convex 13 Cement Composition 14 Cement Molded Product 15 Paint
Claims (2)
圧して成形するセメント成形品の製造方法において、 成形型の成形面に 5以上の光沢差（60°/ 60°鏡面光沢
計による）を呈する凹凸を付与しておき、 この成形型にセメント組成物を供給して加熱、加圧する
ことにて、成形型の上記凹凸を転写されたセメント成形
品を成形し、 このセメント成形品の凹凸表面に塗装を施すことを特徴
とするセメント成形品の製造方法。1. A method for producing a cement molded article, which comprises heating and pressurizing a cement composition with a molding die to provide a molding surface of the molding die with a gloss difference of 5 or more (60 ° / 60 ° specular gloss meter). The unevenness to be exhibited is given, and the cement composition is supplied to this mold to heat and pressurize it to mold the above-mentioned unevenness of the mold to form a cement molded product, and the uneven surface of this cement molded product A method for producing a cement molded product, which comprises applying a coating to the surface.
メントと、アルミナセメントと、無水石膏及び／又は半
水石膏と、有機カルボン酸のアルカリ金属塩又はリン酸
のアルカリ金属塩とを含む加熱硬化型セメント組成物で
ある請求項１記載のセメント成形品の製造方法。2. A heat-curable cement, wherein the cement composition contains Portland cement, alumina cement, anhydrous gypsum and / or hemihydrate gypsum, and an alkali metal salt of an organic carboxylic acid or an alkali metal salt of phosphoric acid. The method for producing a cement molded article according to claim 1, which is a composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24780793A JPH07100814A (en) | 1993-10-04 | 1993-10-04 | Manufacture of cement molded item |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24780793A JPH07100814A (en) | 1993-10-04 | 1993-10-04 | Manufacture of cement molded item |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07100814A true JPH07100814A (en) | 1995-04-18 |
Family
ID=17168958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24780793A Pending JPH07100814A (en) | 1993-10-04 | 1993-10-04 | Manufacture of cement molded item |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07100814A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140094022A (en) | 2011-12-27 | 2014-07-29 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20140097463A (en) | 2011-12-27 | 2014-08-06 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20140113974A (en) | 2011-12-27 | 2014-09-25 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20150119281A (en) | 2013-03-26 | 2015-10-23 | 제이에프이 스틸 가부시키가이샤 | High strength thick steel plate with superior brittle crack arrestability for high heat input welding and method for manufacturing same |
| KR20160021912A (en) | 2011-12-27 | 2016-02-26 | 제이에프이 스틸 가부시키가이샤 | High strength steel plate having excellent brittle crack arrestability |
| KR20170086102A (en) | 2015-03-12 | 2017-07-25 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel sheet and method for manufacturing same |
| KR20180104095A (en) | 2016-02-24 | 2018-09-19 | 제이에프이 스틸 가부시키가이샤 | High Strength Extra Long Steel Sheet Excellent in Brittle Crack Propagation Stopping Characteristics and Manufacturing Method Thereof |
| KR20190022845A (en) | 2016-08-09 | 2019-03-06 | 제이에프이 스틸 가부시키가이샤 | High Strength Steel Sheet and Manufacturing Method Thereof |
| KR20190035875A (en) | 2016-08-09 | 2019-04-03 | 제이에프이 스틸 가부시키가이샤 | High Strength Steel Sheet and Manufacturing Method Thereof |
-
1993
- 1993-10-04 JP JP24780793A patent/JPH07100814A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140094022A (en) | 2011-12-27 | 2014-07-29 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20140097463A (en) | 2011-12-27 | 2014-08-06 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20140113974A (en) | 2011-12-27 | 2014-09-25 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor |
| KR20160021912A (en) | 2011-12-27 | 2016-02-26 | 제이에프이 스틸 가부시키가이샤 | High strength steel plate having excellent brittle crack arrestability |
| KR20150119281A (en) | 2013-03-26 | 2015-10-23 | 제이에프이 스틸 가부시키가이샤 | High strength thick steel plate with superior brittle crack arrestability for high heat input welding and method for manufacturing same |
| KR20170086102A (en) | 2015-03-12 | 2017-07-25 | 제이에프이 스틸 가부시키가이샤 | High-strength thick steel sheet and method for manufacturing same |
| KR20180104095A (en) | 2016-02-24 | 2018-09-19 | 제이에프이 스틸 가부시키가이샤 | High Strength Extra Long Steel Sheet Excellent in Brittle Crack Propagation Stopping Characteristics and Manufacturing Method Thereof |
| KR20190022845A (en) | 2016-08-09 | 2019-03-06 | 제이에프이 스틸 가부시키가이샤 | High Strength Steel Sheet and Manufacturing Method Thereof |
| KR20190035875A (en) | 2016-08-09 | 2019-04-03 | 제이에프이 스틸 가부시키가이샤 | High Strength Steel Sheet and Manufacturing Method Thereof |
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