JPH028883B2 - - Google Patents
Info
- Publication number
- JPH028883B2 JPH028883B2 JP9038986A JP9038986A JPH028883B2 JP H028883 B2 JPH028883 B2 JP H028883B2 JP 9038986 A JP9038986 A JP 9038986A JP 9038986 A JP9038986 A JP 9038986A JP H028883 B2 JPH028883 B2 JP H028883B2
- Authority
- JP
- Japan
- Prior art keywords
- colored
- colored material
- pigment
- substrate
- pattern
- 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
Links
- 239000000463 material Substances 0.000 claims description 63
- 239000000049 pigment Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 30
- 238000004040 coloring Methods 0.000 description 9
- 239000004927 clay Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000010433 feldspar Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910018657 Mn—Al Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【発明の詳細な説明】
「発明の目的」
（産業上の利用分野）
本発明は、全く新規な模様を備えた、タイル、
瓦その他の素地を製造する方法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION "Object of the invention" (Industrial field of application) The present invention provides tiles with a completely new pattern,
This invention relates to a method for manufacturing roof tiles and other materials.
（従来の技術）
従来において、不定形な斑紋模様を備えた素地
は存在しなかつた。(Prior Art) Conventionally, there has been no substrate with an irregular mottled pattern.
本発明は、全く新規である、不定形な斑紋模様
を備えた素地を製造する方法を提供することを目
的とする。 An object of the present invention is to provide a completely novel method for manufacturing a substrate having an irregular mottled pattern.
「発明の構成」
（問題点を解決するための手段）
本明細書は、主要手順を同じくする二つの発明
を開示するものである。そして、これら両発明に
共通する主要手順は、含水率が15〜25％になる着
色素材塊の全周に、無着色原料を粉砕して得た分
別粉を付着させ、次に該着色素材塊の所要個数を
所望形状の成形凹部内に装填して素材塊の流動可
能な押圧力でプレスし、得られた生素地を焼成し
た後、模様表面となる素地面を研磨することであ
る。"Structure of the Invention" (Means for Solving Problems) This specification discloses two inventions having the same main steps. The main procedure common to both of these inventions is to attach fractionated powder obtained by crushing uncolored raw materials to the entire circumference of a colored material mass with a moisture content of 15 to 25%, and then The required number of pieces are loaded into a molding recess of a desired shape, pressed with a pressing force that allows the material block to flow, and the obtained green base is fired, and then the base surface, which will become the pattern surface, is polished.
そして第一発明に係る製造方法（以下、本件第
１方法という）は、前記主要手順に先だつて、次
の手順が付加されてなる。即ち、着色素材塊を得
るために、含水率15〜25％の無着色原料から押出
成形等によつて素材塊を得、該素材塊の全周に顔
料粉を付着させることである。 The manufacturing method according to the first invention (hereinafter referred to as the first method) includes the following steps added before the main steps. That is, in order to obtain a colored material mass, a material mass is obtained by extrusion molding or the like from an uncolored raw material with a water content of 15 to 25%, and pigment powder is adhered to the entire circumference of the material mass.
また第二発明に係る製造方法（以下、本件第２
方法という）は、前記主要手順に先だつて、次の
手順が付加されてなる。即ち、着色素材塊を得る
ために、当初より顔料等が添加されて成る含水率
15〜25％の着色原料から押出成形等することであ
る。 In addition, the manufacturing method according to the second invention (hereinafter referred to as the second invention)
The method consists of the following steps added before the main steps. In other words, the moisture content of pigments, etc. added from the beginning in order to obtain a colored material mass.
It involves extrusion molding from 15 to 25% colored raw materials.
（作用）
分別粉を付着させた着色素材塊の所要個数を、
成形凹部内へ装填してプレスすると、該着色素材
塊の各個は、押し潰されるようにしてその周囲輪
郭が広げられ、前記成形凹部の内部は隅々まで充
填される。このとき、各着色素材塊の全周には、
分別粉が付着されているから、隣合う着色素材塊
相互が混在し合うことなく、該着色素材塊は模様
のトーンに大きな影響を及ぼす境界（臨界膜）を
介して接し合う。そして、このプレスによつて得
られた生素地を焼成すると、着色素材塊に含まれ
る顔料が発色すると共に、生素地全体が焼き固め
られるようになる。つまり、この焼成により、本
件第１方法における焼成体（以下、第１焼成体と
いう）は、押し潰された着色素材塊の中身部分が
原料を基とする素色となり、その周囲に発色後の
顔料膜が形成されるようになる。また更に、該顔
料膜の全周、即ち、隣合う着色素材塊相互の間
に、分別粉による素色と同色の臨界膜が形成され
る。一方、本件第２方法における焼成体（以下、
第２焼成体という）は、着色素材塊そのものが発
色後の顔料色となつていると共に、該着色素材塊
の全周、即ち、隣合う着色素材塊相互の間に、分
別粉による素色の臨界膜が形成される。従つて、
前記第１焼成体の模様表面となる素地面を研磨す
ると、素色の不定形斑紋が、発色顔料色の顔料筋
によつて縁取られ、且つ各斑紋相互が素色の臨界
筋を隔てて配置されるようになり、前記第２焼成
体の模様表面となる素地面を研磨すると、発色顔
料の不定形斑紋相互が素色の臨界筋を隔てて配置
されるようになる。(Function) The required number of colored material blocks to which sorted powder is attached is
When loaded into the molding recess and pressed, each of the colored material lumps is crushed so that its peripheral contour is expanded, and the inside of the molding recess is filled to every corner. At this time, the entire circumference of each colored material block is
Since the sorted powder is attached, adjacent colored material lumps do not mix with each other, and the colored material lumps come into contact with each other via a boundary (critical film) that greatly affects the tone of the pattern. When the green base obtained by this pressing is fired, the pigment contained in the colored material mass develops color, and the entire green base is baked and hardened. In other words, as a result of this firing, the fired body in the first method of the present case (hereinafter referred to as the first fired body) has the inside part of the crushed colored material mass becoming a prime color based on the raw material, and the surrounding area after coloring. A pigment film begins to form. Furthermore, a critical film having the same color as the original color of the fractionated powder is formed around the entire circumference of the pigment film, that is, between adjacent colored material blocks. On the other hand, the fired body (hereinafter referred to as
In the second fired body), the colored material mass itself has the pigment color after coloring, and the color of the colored material mass itself is the same as that of the pigment after coloring. A critical film is formed. Therefore,
When the base surface, which becomes the pattern surface of the first fired body, is polished, the amorphous mottling of the base color is bordered by the pigment streaks of the colored pigment color, and each of the flecks is arranged with critical streaks of the base color separated from each other. When the base surface, which becomes the patterned surface of the second fired body, is polished, irregularly shaped mottles of the coloring pigment are arranged with critical lines of the base color separated from each other.
（実施例）
以下本発明を、その実施例を示す図面に基づい
て説明すると次のとおりである。(Example) The present invention will be described below based on drawings showing examples thereof.
まず、本件第１方法について説明する。第１図
は、本件第１方法によつて製造したタイルを示す
平面図である。同図に示すように、本件第１方法
によつて製造したタイル（素地）は、その模様表
面に、発色後の顔料筋１によつて縁取られた素色
の不定形斑紋２が複数形成され、各斑紋２，２，
…相互が、分別粉による素色の臨界筋３によつて
明瞭に仕切られるようになつている。このような
模様は、従来において存在せず、審美性に優れた
ものである。 First, the first method of the present invention will be explained. FIG. 1 is a plan view showing a tile manufactured by the first method of the present invention. As shown in the figure, the tile (base material) manufactured by the first method of the present invention has a plurality of irregular-shaped spots 2 of a plain color formed on the pattern surface, bordered by pigment streaks 1 after coloring. , each spot 2, 2,
...They are clearly separated from each other by a critical line 3 of a color made of separated powder. Such a pattern does not exist in the past and has excellent aesthetics.
本件第１方法を、その具体例を挙げながら説明
する。 The first method of the present invention will be explained by giving a specific example thereof.
長石60wt％、陶石10wt％、粘土30wt％に、こ
れら三者を100wt％としたときの20wt％に相当す
る量の水を加えて混練し、含水率20％の無着色原
料を得た。該無着色原料を、第２図に概略して示
す如き押出成形装置４に装填し、直径が12〜15mm
の円断面を有する棒状に成形すると共に、該棒状
体を10〜20mmの長さに切断して円板状又は円柱状
となる素材塊５を複数個得た。次に、20メツシユ
の篩目を通過し得る顔料粉（実施例では焼成後に
黒色を発色するクロマイトを用いた）を、約40ｇ
準備し、第３図に示す如く該顔料粉の少量７ａ
を、ミキサー６の回転器６ａ内へ敷き詰めてお
く。そして、該ミキサー６の回転器６ａ内へ前記
素材塊５の複数個を起立姿勢で並べて回転させ、
残る顔料粉７ｂを素材塊５の上方から振り掛け
て、全周に顔料付着の着色素材塊を得た。また、
図示は省略するが、上記操作と同様にして、ミキ
サー６の回転器６ａ内へ無着色原料を粉砕して成
る分別粉を敷き詰めた後、該回転器６ａ内へ前記
着色素材塊を並べて回転させ、その上方から分別
粉を振り掛けた。第４図は、一辺が150mmで厚さ
が15mmの正方形状タイルを製造するための成形凹
部８ａを備えた加圧成形機８を概略して示す断面
図である。前記の如くして得た着色素材塊１０
を、前記加圧成形機８における成形凹部８ａの内
容量（約800ｇ）を充満せる得る個数分（200個前
後）装填し、75Kg／cm2の押圧力でプレスした。こ
のとき、前記着色素材塊１０は、その含水率が15
〜25％となつているから、前記押圧力により、各
個のものが分解することなく一体性を保つたま
ま、成形凹部８ａ内の隅々までゆきわたるように
流動し、正方形状タイルの生素地を形づくるよう
になる。もし前記着色素材塊１０の含水率が15％
よりも少ないと、流動性が悪く、各所に隙間を生
じた不良形状の生素地となるおそれがある。また
反対に、着色素材塊１０の含水率が25％よりも多
いと、前記プレス時において、素材塊５（第３図
参照）に付着した顔料粉７ａ，７ｂや分別粉が流
れて、斑紋模様が形成されなくなるおそれがあ
る。このようにして得た生素地を1250℃、28時間
の条件で焼成して第１焼成体を得た。該第１焼成
体の一部を、第５図に模式的に示す。同図に示す
ように、第１焼成体の断面を見ると、焼成後の素
材塊（５）の周囲には、発色後の顔料膜（７）が
形成され、隣合う素材塊（５）相互の間には分別
粉による臨界膜（９）が形成されるようになつて
いる。次に、本件第１方法の最終工程として、前
記第１焼成体におけるＸ−Ｘで示す深さ（おおよ
そ１mm）まで研磨する。従つて、模様表面部とな
る素地面と平行して形成されていり前記臨界膜
（９）及び顔料膜（７）は削製されて、素材塊
（５）が露出するようになり、その模様表面には、
前記素材塊（５）による斑紋２（第１図参照）の
輪郭部を、肉厚方向に残留する顔料膜７による顔
料筋１が縁取るように現れると共に、隣り合う斑
紋２相互の間には、肉厚方法に残留する臨界膜
（９）による臨界筋３が介在するように現れる。 60 wt% of feldspar, 10 wt% of pottery stone, and 30 wt% of clay were mixed with water in an amount equivalent to 20 wt% when these three were 100 wt%, to obtain an uncolored raw material with a water content of 20%. The uncolored raw material is loaded into an extrusion molding device 4 as schematically shown in FIG.
A plurality of disk-shaped or cylindrical material blocks 5 were obtained by molding into a rod shape having a circular cross section and cutting the rod-shaped body into lengths of 10 to 20 mm. Next, about 40 g of pigment powder that can pass through 20 mesh sieves (chromite, which develops a black color after firing, was used in the example) was added.
Prepare a small amount 7a of the pigment powder as shown in FIG.
are spread inside the rotator 6a of the mixer 6. Then, a plurality of the material lumps 5 are arranged in an upright position and rotated into the rotator 6a of the mixer 6,
The remaining pigment powder 7b was sprinkled from above the material mass 5 to obtain a colored material mass with pigment adhering to the entire circumference. Also,
Although illustration is omitted, in the same manner as the above operation, after spreading the fractionated powder made by crushing uncolored raw materials into the rotary device 6a of the mixer 6, the colored material lumps are lined up and rotated in the rotary device 6a. Then, the separated powder was sprinkled from above. FIG. 4 is a cross-sectional view schematically showing a pressure molding machine 8 equipped with a molding recess 8a for manufacturing a square tile with a side of 150 mm and a thickness of 15 mm. Colored material mass 10 obtained as described above
The number of pieces (approximately 200 pieces) to fill the inner capacity (approximately 800 g) of the molding recess 8a in the pressure molding machine 8 was loaded, and the pieces were pressed with a pressing force of 75 kg/cm 2 . At this time, the colored material mass 10 has a water content of 15
~25%, the pressing force allows each piece to flow to every corner within the molding recess 8a while maintaining its integrity without disintegrating, and the green material of the square tile is It begins to take shape. If the moisture content of the colored material block 10 is 15%
If the amount is less than 1, the flowability is poor, and there is a risk that the green material will have a poor shape and have gaps in various places. On the other hand, if the water content of the colored material mass 10 is more than 25%, the pigment powders 7a, 7b and separated powder adhering to the material mass 5 (see FIG. 3) will flow during the pressing process, resulting in a mottled pattern. may not be formed. The green material thus obtained was fired at 1250°C for 28 hours to obtain a first fired body. A part of the first fired body is schematically shown in FIG. As shown in the same figure, when looking at the cross section of the first fired body, a colored pigment film (7) is formed around the raw material mass (5) after firing, and adjacent raw material mass (5) A critical film (9) is formed between the separated powders. Next, as the final step of the first method, the first fired body is polished to a depth indicated by X-X (approximately 1 mm). Therefore, the critical film (9) and the pigment film (7), which are formed parallel to the base surface that will become the pattern surface, are cut away to expose the material mass (5), which forms the pattern. On the surface,
Pigment streaks 1 formed by the pigment film 7 remaining in the thickness direction appear to frame the outline of the mottling 2 (see Fig. 1) formed by the material mass (5), and there are gaps between adjacent mottling 2. , a critical line 3 appears as if it is due to a critical film (9) remaining in the thick-walled area.
なお、着色素材塊１０を加圧成形機８（第４図
参照）へ装填する際に、その半分量の着色素材塊
１０を、顔料粉及び分別粉を付着させない無着色
の素材塊５（第２図参照）と交換することで、第
６図に示す如き模様を備えた素地が得られる。ま
た、加圧成形機８へ着色素材塊１０と素材塊５と
を作為的に配置して装填したり、着色素材塊１０
における顔料粉や分別粉の付着量を増減させたり
することで、各斑紋２，２，…の間隔を変化させ
て、模様の視覚的な強調度合を調節することがで
きる。 Note that when loading the colored material mass 10 into the pressure molding machine 8 (see Fig. 4), half of the colored material mass 10 is transferred to an uncolored material mass 5 (first stage) to which no pigment powder or fractionated powder is attached. 2), a base material with a pattern as shown in FIG. 6 can be obtained. In addition, the colored material mass 10 and the material mass 5 may be randomly arranged and loaded into the pressure molding machine 8, or the colored material mass 10 may be loaded into the pressure molding machine 8.
The degree of visual emphasis of the pattern can be adjusted by increasing or decreasing the amount of pigment powder or fractionated powder attached to the pattern, thereby changing the interval between the markings 2, 2, . . . .
次に本件第２方法を説明する。第７図は本件第
２方法によつて製造した素地を示す平面図であ
る。同図に示すように、本件第２方法によつて製
造した素地は、不定形斑紋１１そのものが発色後
の顔料色となつており、各不定形斑紋１１，１
１，…相互の間に、分別粉による素色の臨界筋３
が形成されるようになつている。 Next, the second method of the present invention will be explained. FIG. 7 is a plan view showing a substrate manufactured by the second method of the present invention. As shown in the figure, in the substrate manufactured by the second method of the present invention, the irregularly shaped spots 11 themselves have the pigment color after coloring, and each irregularly shaped spots 11, 1
1,... between each other, a critical streak of prime color due to fractionated powder 3
is beginning to form.
本件第２方法が、前記した本件第１方法と根本
的に異なる点は、顔料の混入時期にある。即ち、
本件第２方法では、基礎原料内に予め顔料を添加
して着色原料とし、該着色原料を押出成形等によ
つて塊状（着色素材塊）にしている。 The second method of the present invention is fundamentally different from the first method of the present invention described above in the timing of mixing the pigment. That is,
In the second method, a pigment is added in advance to the basic raw material to form a colored raw material, and the colored raw material is made into a lump (colored material lump) by extrusion molding or the like.
基礎原料は、長石60wt％、陶石10wt％、粘土
30wt％に、これら三者を100wt％としたときの
20wt％に相当する量の水を加えてなるものであ
る。本実施例では、前記基礎原料を三等分し、
夫々の基礎原料に、該基礎原料を構成する前記三
者100wt％に対して、クロマイトを2wt％加えて
黒色を発色するようにした着色原料（第７図の１
１ａに相当する）と、クロマイトを1wt％加えて
灰色を発色するようにした着色原料（第７図の１
１ｂに相当する）と、Mn−Alを2wt％加えてピ
ンク色を発色するようにした着色原料（第７図の
１１ｃに相当する）とを準備した。尚、以下の工
程については、前記本件第１方法と殆ど同じ工程
を経て、前記第７図に示した如き素地を得たもの
であり、ここでの詳説は省略する。 Basic raw materials are 60wt% feldspar, 10wt% pottery stone, and clay.
When these three are 100wt% and 30wt%
It is made by adding water in an amount equivalent to 20wt%. In this example, the basic raw material is divided into three equal parts,
Coloring raw materials (1 in Figure 7) are made by adding 2 wt% of chromite to each of the basic raw materials and 100 wt% of the above three components constituting the basic raw materials to develop a black color.
1a), and a coloring material with 1wt% of chromite added to produce a gray color (corresponding to 1 in Figure 7).
1b) and a coloring raw material (corresponding to 11c in FIG. 7) in which 2 wt% of Mn-Al was added to develop a pink color were prepared. It should be noted that the following steps are almost the same as those in the first method of the present invention to obtain a substrate as shown in FIG. 7, and detailed explanations thereof will be omitted here.
（別態様の検討）
本件第１方法及び本件第２方法における前記各
実施例では、着色素材塊を得るにあたつて押出成
形機を用いたが、これは限定されるものではな
く、乳鉢の回転羽根や素手等で練つて塊状にする
ことも考えられる。また、該着色素材塊の形状
を、棒状、錐状、リング状等に形成することで、
その模様態様を無限に拡げることができる。その
他、焼成体を研磨する方法として、砥石、サンド
ブラスト加工、また、焼成体を切断加工する等が
ある。このように、本件第１方法及び本件第２方
法の細部にわたる構成は、実施の態様に応じて適
宜変更可能なものである。(Study of Alternative Embodiments) In each of the above examples of the first method and the second method of the present invention, an extrusion molding machine was used to obtain the colored material mass, but this is not limited to this. It is also possible to knead it into a lump using a rotating blade or bare hands. In addition, by forming the colored material mass into a rod shape, a cone shape, a ring shape, etc.,
The patterns can be expanded infinitely. Other methods for polishing the fired body include grinding with a grindstone, sandblasting, and cutting the fired body. In this way, the detailed configurations of the first method and the second method can be changed as appropriate depending on the mode of implementation.
「発明の効果」
以上の説明で明らかなように、本発明に係る不
定形斑紋を備えた素地の製造方法によれば、従来
において存在しなかつた全く新規な模様表面を得
ることができた。"Effects of the Invention" As is clear from the above explanation, according to the method for manufacturing a substrate having irregularly shaped mottles according to the present invention, a completely novel surface pattern that did not exist in the past could be obtained.
第１図は本件第１方法によつて製造した素地を
示す平面図、第２図乃至第５図は本件第１方法を
その工程をおつて図示した概略図であつて、第２
図は押出成形機を概略して示す斜視図、第３図は
ミキサーを概略して示す断面図、第４図は加圧成
形機を概略して示す断面図、第５図は焼成体の一
部を模式的に示す断面図、第６図は本件第１方法
の別態様方法によつて製造した素地を示す平面
図、第７図は本件第２方法によつて製造した素地
の模様表面を示す平面図である。
１……顔料筋、２……斑紋、３……臨界筋、４
……押出成形機、５……素材塊、（５）……焼成
後の素材塊、７ａ，７ｂ……顔料粉、（７）……
焼成後の顔料膜、８……加圧成形機、（９）……
焼成後の臨界膜、１０，１１……着色素材塊。
FIG. 1 is a plan view showing the substrate manufactured by the first method of the present invention, and FIGS. 2 to 5 are schematic views showing the steps of the first method of the present invention,
The figure is a perspective view schematically showing an extrusion molding machine, FIG. 3 is a cross-sectional view schematically showing a mixer, FIG. 4 is a cross-sectional view schematically showing a pressure molding machine, and FIG. FIG. 6 is a plan view showing a substrate manufactured by another method of the first method, and FIG. 7 shows the patterned surface of the substrate manufactured by the second method. FIG. 1... Pigment streak, 2... Spot, 3... Critical streak, 4
...Extrusion molding machine, 5...Material lump, (5)...Material lump after firing, 7a, 7b...Pigment powder, (7)...
Pigment film after firing, 8... Pressure molding machine, (9)...
Critical film after firing, 10, 11...Colored material mass.
Claims (1)
によつて素材塊を得、該素材塊の全周に顔料粉を
付着させて着色素材塊を得、しかる後着色素材塊
の全周に無着色原料を粉砕して得た分別粉を付着
させ、次に該着色素材塊の所要個数を所望形状の
成形凹部内に装填して素材塊の流動可能な押圧力
でプレスし、得られた生素地を焼成した後、模様
表面となる素地面を研磨することを特徴とする不
定形斑紋模様を備えた素地の製造方法。 ２ 含水率15〜25％の着色原料から押出成形等に
よつて着色素材塊を得、該着色素材塊の全周に無
着色原料を粉砕して得た分別粉を付着させ、次に
該着色素材塊の所要個数を所望形状の成形凹部内
に装填して素材塊の流動可能な押圧力でプレス
し、得られた生素地を焼成した後、模様表面とな
る素地面を研磨することを特徴とする不定形斑紋
模様を備えた素地の製造方法。[Scope of Claims] 1. A material block is obtained by extrusion molding or the like from an uncolored raw material with a moisture content of 15 to 25%, and pigment powder is attached to the entire circumference of the material block to obtain a colored material block, and then a colored material block is obtained. The fractionated powder obtained by crushing the uncolored raw material is attached to the entire circumference of the colored material lump, and then the required number of colored material lumps is loaded into the molding recess of the desired shape to create a pressing force that allows the material lump to flow. 1. A method for producing a substrate having an irregular mottled pattern, which comprises pressing the obtained green substrate with a press, firing the obtained green substrate, and then polishing the substrate surface that will become the pattern surface. 2 Obtain a colored material block from a colored raw material with a water content of 15 to 25% by extrusion molding, etc., adhere fractionated powder obtained by pulverizing the uncolored material to the entire circumference of the colored material block, and then apply the colored material to the entire circumference of the colored material block. It is characterized by loading the required number of material lumps into the molding recesses of the desired shape, pressing them with the pressing force that allows the material lumps to flow, firing the obtained green material, and then polishing the material surface that will become the pattern surface. A method for producing a substrate having an irregular mottled pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9038986A JPS62270303A (en) | 1986-04-18 | 1986-04-18 | Manufacture of foundation with amorphous mottling pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9038986A JPS62270303A (en) | 1986-04-18 | 1986-04-18 | Manufacture of foundation with amorphous mottling pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62270303A JPS62270303A (en) | 1987-11-24 |
| JPH028883B2 true JPH028883B2 (en) | 1990-02-27 |
Family
ID=13997223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9038986A Granted JPS62270303A (en) | 1986-04-18 | 1986-04-18 | Manufacture of foundation with amorphous mottling pattern |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62270303A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69103385T2 (en) * | 1990-11-30 | 1994-12-15 | Inax Corp | Process for the production of pottery with flow pattern decoration or flame. |
-
1986
- 1986-04-18 JP JP9038986A patent/JPS62270303A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62270303A (en) | 1987-11-24 |
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