JPH0455997B2 - - Google Patents
Info
- Publication number
- JPH0455997B2 JPH0455997B2 JP62104053A JP10405387A JPH0455997B2 JP H0455997 B2 JPH0455997 B2 JP H0455997B2 JP 62104053 A JP62104053 A JP 62104053A JP 10405387 A JP10405387 A JP 10405387A JP H0455997 B2 JPH0455997 B2 JP H0455997B2
- Authority
- JP
- Japan
- Prior art keywords
- tile
- clay
- wasteland
- tiles
- particles
- 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.)
- Expired - Lifetime
Links
- 239000004927 clay Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000004898 kneading Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000002689 soil Substances 0.000 description 6
- 239000002932 luster Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は従来どおりの光沢を持ち、しかも使用
中に色あせることのないいぶし瓦の製造方法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing ibushi roof tiles that have the same luster as conventional tiles and do not fade during use.
（従来の技術）
いぶし瓦は、土練機から押出された平板状の荒
地をプレス機の金型寸法よりやや小さめに切断
し、こねをプレス機の金型内部で瓦形状にプレス
成形し、成形された素地を乾燥して白地としたう
え焼成するとともに、炉内で燻化して遊離カーボ
ンを瓦表面に沈着させる方法によつて製造されて
いる（例えば、田中稔著「粘土瓦ハンドブツク」、
技報堂出版、1980年11月、ｐ、328）。ところが乾
燥され、焼成された瓦の表面には微細な突起が無
数に存在し、また深い凹部も形成されているので
カーボン粒子の付着力が不安定であり、製造工程
においては瓦表面に付着したいたカーボン粒子が
使用開始後１年を経ないうちに剥離してむらにな
つたり、色あせを生ずることがあつた。(Conventional technology) Ibushi tiles are made by cutting flat waste extruded from a clay kneading machine into pieces slightly smaller than the mold dimensions of a press machine, and press-forming the dough into a tile shape inside the mold of a press machine. They are manufactured by drying the molded base to make it white, firing it, and then smoking it in a furnace to deposit free carbon on the tile surface (for example, ``Clay Tile Handbook'' by Minoru Tanaka,
Gihodo Publishing, November 1980, p. 328). However, the surface of dried and fired tiles has countless minute protrusions and deep depressions, so the adhesion of carbon particles is unstable, and during the manufacturing process, carbon particles do not adhere to the tile surface. In some cases, the carbon particles peeled off and became uneven or faded within one year after the start of use.
そこで淡路地方においては、プレス成型後乾燥
された白地の表面に粘土質の微粒子からなる目止
め剤を塗布することにより瓦の表面に略均一な厚
みの平滑な層を形成しておき、カーボン粒子の付
着力を向上させる試みがなされている。この方法
は産出する原料粘土の耐火度が低く、900〜950℃
程度の温度で焼成が行われる淡路産のいぶし瓦に
ついては一定の効果を納めているが、原料粘土が
違うために1100〜1200℃で焼成される三州地方
（愛知県三河地方）のいぶし瓦に適用すると、目
止め剤の層と原料粘土との耐火度のちがいにより
境界面から剥離し易いこと、目止め剤の層により
三州地方のいぶし瓦に特有の光沢が失われ、淡路
瓦のような色あいになつてしまうこと等の問題が
あつた。 Therefore, in the Awaji region, a sealing agent made of fine clay particles is applied to the white surface that has been dried after press molding to form a smooth layer of approximately uniform thickness on the surface of the tile. Attempts have been made to improve the adhesion of In this method, the raw material clay produced has a low fire resistance, and the temperature is 900 to 950℃.
Ibushi tiles from Awaji, which are fired at a temperature of about 100 degrees Fahrenheit, have a certain degree of effectiveness, but because the raw clay is different, ibushi tiles from the Sanshu region (Mikawa region, Aichi Prefecture) are fired at temperatures of 1,100 to 1,200 degrees Celsius. When applied to oxidized roof tiles, the sealant layer and raw clay tend to peel off from the interface due to the difference in fire resistance, and the sealant layer loses the unique luster of ibushi tiles from the Sanshu region. There were problems such as the color tone becoming like this.
（発明が解決しようとする問題点）
本発明は上記のような従来の問題点を解決し
て、三州瓦に特有の「てり」、「さえ」と呼ばれる
光沢を変えることなくカーボン粒子の付着力を高
め、これにより使用中の色あせを防止することが
できるいぶし瓦の製造方法を目的として完成され
たものである。(Problems to be Solved by the Invention) The present invention solves the conventional problems as described above, and eliminates carbon particles without changing the gloss called "teri" or "sae", which are unique to Sanshu tiles. This was completed with the aim of creating a method for manufacturing oxidized roof tiles that increases adhesion and thereby prevents fading during use.
なおここで「てり」、「さえ」ともに業界用語で
あるが、「てり」とは瓦の表面から光線の反射率
が大きいことを意味し、表面が滑らかであるほど
良い「てり」が得られる。一方、「さえ」とは昼
間と朝夕の間の光線の方向の変化にかかわらず瓦
の表面全体が常に良い光沢を示すことを意味し、
瓦の表面における光線の乱反射の大小により左右
されることとなる。従つて鏡面は「てり」が良く
ても「さえ」がないこととなり、両者をともに満
足させるためには瓦の表面状態を厳密にコントロ
ールすることが必要となる。 Note that both "Teri" and "Sae" are industry terms, but "Teri" means that the surface of the tile has a high reflectance of light rays, and the smoother the surface, the better the "Teri". is obtained. On the other hand, "Sae" means that the entire surface of the tile always exhibits a good gloss regardless of the change in the direction of light rays during the daytime and morning and evening.
It depends on the magnitude of diffuse reflection of light on the surface of the tile. Therefore, even if the mirror surface has good ``texture,'' it lacks ``evenness.'' In order to satisfy both requirements, it is necessary to strictly control the surface condition of the tile.
（問題点を解決するための手段）
本発明は上記の課題を解決するためになされた
ものであり、土練機から押出された荒地をプレス
成形する前に荒地の表面に粘土微粒子を主体とす
る層を形成せしめ、これを荒地とともにプレス成
形することにより荒地の表面の凹凸を緩和させつ
つ粘土微粒子を主体する層を荒地の表面と一体化
させ、その後は通常の工程によりいぶし瓦を製造
することを特徴とするものである。(Means for Solving the Problems) The present invention has been made to solve the above-mentioned problems, and the present invention has been made in order to solve the above-mentioned problem. This is then press-formed together with the rough ground to soften the irregularities on the surface of the rough ground and integrate the layer mainly made of fine clay particles with the surface of the rough ground. After that, oxidized roof tiles are manufactured using normal processes. It is characterized by this.
本発明において荒地の表面に粘土微粒子を主体
とする層を形成するには、化粧土と呼ばれる土が
使用される。この化粧土は通常は蛙目粘土を水に
溶かしたものの上澄液から製造され、副成分とし
て釉薬成分等を添加することもできる。本発明の
大きい特徴は、この化粧土を従来のようにプレス
成型後乾燥した白地と呼ばれる瓦の表面に塗布す
るのではなく、プレス成形前の表面が未乾燥の状
態にある荒地の表面に塗布することにより、粘土
微粒子を主体とする層を形成することである。 In the present invention, soil called makeup soil is used to form a layer mainly composed of fine clay particles on the surface of wasteland. This decorative clay is usually produced from the supernatant liquid of frog's eye clay dissolved in water, and glaze components etc. can also be added as subcomponents. A major feature of the present invention is that this makeup soil is not applied to the surface of tiles called Shiroji which has dried after press molding as in the past, but is applied to the surface of rough ground where the surface is still undried before press molding. By doing so, a layer consisting mainly of clay fine particles is formed.
一般にプレス成形の際には離型性を高めるため
に油性の離型剤がプレス金型の表面に塗布される
ため、このような化粧土を荒地の表面に塗布する
ことは無意味であると信じられてきた。このため
に、本発明より前にこのようなプレス成形前の荒
地の表面に化粧土を塗布した例とは知られていな
い。 Generally, during press molding, an oil-based mold release agent is applied to the surface of the press mold to improve mold release properties, so it is pointless to apply this type of makeup soil to the surface of rough ground. It has been believed. For this reason, prior to the present invention, there is no known example of applying soil to the surface of such rough ground before press forming.
なお塗布の方法としては、ローラ塗り、はけ塗
り、吹きつけ、浸漬等の適宜の手段を採用するこ
とができる。 Note that as a method of application, appropriate means such as roller coating, brushing, spraying, dipping, etc. can be employed.
このように未乾燥の状態にある平板状の荒地の
表面はその後のプレス工程において主として上下
方向に激しく流動して多数の凹部や突部を形成す
ることとなるが、本発明においてはこれらの表面
に予め粘土微粒子を主体とする層が形成されてい
るため、粘土微粒子を主体とする層も荒地の表面
とともにプレスされて凹部を埋めたり突部をなだ
らかにする作用を生じ、荒地の表面の凹凸を緩和
すると同時に、それ自体も優れたアンカー効果を
発揮して荒地と一体化し、荒地の表面に強固に付
着することとなる。 In this way, the surface of the flat plate-like rough ground in an undried state will flow violently mainly in the vertical direction during the subsequent pressing process, forming a large number of depressions and protrusions, but in the present invention, these surfaces Since a layer mainly composed of fine clay particles has been formed in advance, the layer mainly composed of fine clay particles is also pressed together with the surface of the rough ground, filling in the depressions and smoothing out the protrusions, thereby reducing the unevenness of the surface of the rough land. At the same time, it also exerts an excellent anchoring effect, integrating with the rough ground and firmly adhering to the surface of the rough ground.
そこでこのようにして成形された瓦を通常の工
程により乾燥、焼成し、このような適宜の凹凸を
持つた状態で粘土微粒子を主体とする層が形成さ
れている瓦の表面上にその後の燻化工程において
カーボン粒子を付着させれば、カーボン粒子は瓦
の表面に強固に付着し、使用中にカーボン粒子の
剥離による色あせが生ずるおそれのないいぶし瓦
を得ることができる。 Therefore, the roof tile formed in this way is dried and fired using a normal process, and the surface of the roof tile with appropriate unevenness is coated with a layer mainly composed of clay particles. If the carbon particles are attached in the oxidizing step, the carbon particles will firmly adhere to the surface of the tile, and it is possible to obtain an ibushi tile that is free from fading due to peeling off of the carbon particles during use.
しかも本発明においては、プレス前の荒地の表
面に化粧土を塗布することにより前記したように
瓦の表面と一体化した粘土微粒子を主体とする層
を形成できるので、三州地方のいぶし瓦に特有の
前記した「てり」や「さえ」と呼ばれる光沢が失
なわれることがなく、また両者の接着性が良好で
あるので、耐火度の差による剥離等を生ずること
もなく、長期間にわたり安定した色合いや光沢を
維持することができる。 Moreover, in the present invention, by applying makeup soil to the surface of the rough ground before pressing, it is possible to form a layer mainly composed of fine clay particles that is integrated with the surface of the tile as described above, so that The characteristic luster called ``teri'' and ``sae'' described above will not be lost, and the adhesion between the two is good, so there will be no peeling due to differences in fire resistance, and it will last for a long time. Able to maintain stable color and gloss.
（発明の効果）
本発明は以上の説明から明らかなように、プレ
ス成形する前の荒地の表面に粘土微粒子を主体と
する層を形成させ、これを荒地とともにプレス成
形することにより荒地の表面の凹凸を緩和させつ
つ粘土微粒子を主体とする層を荒地の表面と一体
化させたうえ、その表面に常法に従つてカーボン
粒子を付着させることによつて、三州瓦に特有の
「てり」、「さえ」と呼ばれる光沢を損なうことな
くカーボン粒子の付着力を向上させることに成功
したものである。従つて本発明により製造された
いぶし瓦は、使用中に色あせが生ずるおそれがな
いうえ、製造コストの上昇もごくわずかなもので
ある。(Effects of the Invention) As is clear from the above description, the present invention forms a layer mainly composed of clay particles on the surface of the wasteland before press forming, and press-forms this together with the wasteland, thereby improving the surface of the wasteland. By integrating a layer made mainly of clay fine particles with the surface of the rough ground while alleviating unevenness, and then attaching carbon particles to the surface using a conventional method, we created the unique ``teri'' characteristic of Sanshu tiles. '', which succeeded in improving the adhesion of carbon particles without impairing the luster known as ``sae''. Therefore, the ibushi tiles manufactured according to the present invention are not likely to fade during use, and the increase in manufacturing cost is negligible.
よつて本発明は従来の問題点を一掃したいぶし
瓦の製造方法として、業界に寄与するころは極め
て大である。 Therefore, the present invention will greatly contribute to the industry as a method for manufacturing ibushi roof tiles that eliminates the problems of the conventional method.
Claims (1)
前に荒地の表面に粘土微粒子を主体とする層を形
成せしめ、これを荒地とともにプレス成形するこ
とにより荒地の表面の凹凸を緩和させつつ粘土微
粒子を主体とする層を荒地の表面と一体化させ、
その後は通常の工程によりいぶし瓦を製造するこ
とを特徴とするいぶし瓦の製造方法。1. Before press-forming the wasteland extruded from the clay kneading machine, a layer mainly composed of fine clay particles is formed on the surface of the wasteland, and by press-forming this together with the wasteland, the unevenness of the surface of the wasteland is alleviated and clay particles are formed. By integrating the layer mainly composed of with the surface of the wasteland,
After that, the ibushi tile manufacturing method is characterized in that the ibushi tile is manufactured through normal processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10405387A JPS63270370A (en) | 1987-04-27 | 1987-04-27 | Production of smoke-treated roof tiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10405387A JPS63270370A (en) | 1987-04-27 | 1987-04-27 | Production of smoke-treated roof tiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63270370A JPS63270370A (en) | 1988-11-08 |
| JPH0455997B2 true JPH0455997B2 (en) | 1992-09-07 |
Family
ID=14370459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10405387A Granted JPS63270370A (en) | 1987-04-27 | 1987-04-27 | Production of smoke-treated roof tiles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63270370A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03177378A (en) * | 1989-12-04 | 1991-08-01 | Kodama Yuuga Kogyo Kk | Production of smoked block |
| JP2010202464A (en) * | 2009-03-04 | 2010-09-16 | Yamamoto Kawara Kogyo Kk | Method for producing japanese tile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5527825A (en) * | 1978-08-11 | 1980-02-28 | Miyawaki Gureizu Kogyo Kk | Manufacture of smoked ceramics having silver color luster |
-
1987
- 1987-04-27 JP JP10405387A patent/JPS63270370A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5527825A (en) * | 1978-08-11 | 1980-02-28 | Miyawaki Gureizu Kogyo Kk | Manufacture of smoked ceramics having silver color luster |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63270370A (en) | 1988-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
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