JPH082525B2 - Casting molding method and molding die for ceramics having open hole for decoration - Google Patents
Casting molding method and molding die for ceramics having open hole for decorationInfo
- Publication number
- JPH082525B2 JPH082525B2 JP2217943A JP21794390A JPH082525B2 JP H082525 B2 JPH082525 B2 JP H082525B2 JP 2217943 A JP2217943 A JP 2217943A JP 21794390 A JP21794390 A JP 21794390A JP H082525 B2 JPH082525 B2 JP H082525B2
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- hole
- molding
- elastic rubber
- die
- casting
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は,見栄えの良い飾り用の透かし穴を有する陶
磁器を精度よくかつ能率良く製造することができる,鋳
込み成形方法及び成形型に関する。Description: TECHNICAL FIELD The present invention relates to a casting molding method and a molding die capable of accurately and efficiently manufacturing a ceramic porcelain having an open-hole for decoration that looks good.
一般に飾り用透かし穴は,コーヒーカップのハンドル
(取手部)や果物盛り合わせ皿の高台等の通磁器に設け
られることがある。Ordinarily, the decorative watermark hole may be provided in a permeator such as a handle (handle portion) of a coffee cup or a plateau of a fruit platter plate.
即ち,上記飾り用透かし穴は,上記陶磁器のデザイン
効果を高めたり,更には陶磁器の軽量化を図るために設
けられている。That is, the ornamental hole is provided to enhance the design effect of the ceramics and to reduce the weight of the ceramics.
そして,上記飾り用透かし穴は,上記陶磁器のハンド
ルや高台において,各種形状,例えば,円形,楕円形,
三か月形,S字形,扇形等の各種各様の形状を有してい
る。また,該飾り用透かし穴の大きさは,大小さまざま
である。And, the above-mentioned ornamental holes are various shapes such as circular, elliptical,
It has various shapes such as crescent shape, S-shape, and fan shape. Further, the size of the decorative watermark hole is large or small.
また,上記飾り用透かし穴としては,上記陶磁器のほ
かに,ローソクの燭台の高台,皿の下台部(浜)に設け
られた透かし穴,バスケット陶磁器の透し彫りなどがあ
る。In addition to the above-mentioned ceramics, as the above-mentioned ornamental hole, there are a candle candle stand, a hole provided on the lower part (beach) of the plate, and a basket carving of the ceramics.
しかしながら,上記従来技術には次のような問題があ
る。However, the above conventional technique has the following problems.
即ち、陶磁器は,一般に石膏型の成形型内に陶磁器素
地を形成する泥漿を鋳込み,素地成形体を成形する方法
により製造されている。That is, a ceramic is generally manufactured by a method of casting a slurry for forming a ceramic base into a plaster-type forming die to form a green body.
しかし,従来の方法においては,上記飾り用透かし穴
の形成部分を石膏型により形成することは,次の理由に
より困難である。However, in the conventional method, it is difficult to form the portion for forming the decorative watermark hole with a gypsum mold for the following reason.
即ち,上記飾り用透かし穴は,上記ごとく各種形状を
有すると共に,その大きさが極めて小さい場合がある。
そのため,石膏型では該飾り用透かし穴形成部分のそれ
ぞれの部分において局部的な吸水のアンバランスを生
じ,形の崩れを生じ易い。また,該飾り用透かし穴形成
部分は,形状が複雑であったり極めて小さい場合には,
その脱型が極めて困難である。特に,石膏型では,切り
立った端部又は逆テーパー端部を有する飾り用透かし穴
の形成は困難である。That is, the decorative watermark hole may have various shapes as described above and the size thereof may be extremely small.
Therefore, in the gypsum mold, a local imbalance of water absorption is caused in each part of the decorative watermark hole forming part, and the shape is likely to collapse. If the shape of the decorative watermark hole forming portion is complicated or extremely small,
The mold release is extremely difficult. In particular, in the plaster mold, it is difficult to form a decorative watermark hole having a raised edge or an inverted taper edge.
そこで,上記飾り用透かし穴は,一旦上記陶磁器の素
地成形体を形成した後,手彫等の手作業により成形せざ
るを得ない。Therefore, the above-mentioned ornamental watermark hole must be formed by manual work such as hand engraving after forming the above-mentioned ceramic green body.
しかし,かかる手作業は,作業が煩雑であり,非能率
である。また,手作業による飾り用透かし穴は,形状,
大きさが不揃いとなり,見栄えが良くない。However, such manual work is complicated and inefficient. In addition, the watermark hole for decoration by hand is
The size is not uniform and it does not look good.
本発明は,かかる従来技術の問題点に鑑みてなされた
もので,見栄えの良い飾り用透かし穴を有する陶磁器を
精度よくかつ能率良く製造することができる,鋳込み成
形方法及び成形型を提供しようとするものである。The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a casting molding method and a molding die capable of accurately and efficiently manufacturing a ceramic having a decorative open-hole for decoration. To do.
本願の第1発明は,飾り用の透かし穴を設けた陶磁器
を,上型と下型とからなる成形型を用いて鋳込み成形す
る方法であって,上記上型と下型には,両者を合体する
ことにより透かし穴を除く陶磁器本体を形成する成形用
凹部と,該成形用凹部に穿設された貫通孔とが設けられ
ており, 該貫通孔に,上記透かし穴の形状に相応した外形状を
有する弾性ゴム体を挿通し, 次いで,成形型内に泥漿を鋳込み,排泥後上記弾性ゴ
ム体を抜き取ることを特徴とする陶磁器の鋳込み成形方
法にある。A first invention of the present application is a method of casting a ceramics having a watermark hole for decoration using a molding die including an upper die and a lower die, wherein the upper die and the lower die both have the same shape. A molding recess for forming a ceramic body excluding the watermark hole by uniting and a through hole formed in the molding recess are provided, and the through hole has an outer shape corresponding to the shape of the watermark hole. According to another aspect of the present invention, there is provided a method for casting and molding ceramics, characterized in that an elastic rubber body having a shape is inserted, then sludge is cast into a molding die, and the elastic rubber body is extracted after sludge is discharged.
第1発明において最も注目すべきことは,成形用凹部
に貫通孔を設け,該貫通孔に,透かし穴の形状に相応し
た外形状を有する弾性ゴム体を挿通し,その後に泥漿を
流し込むことである。What is most noticeable in the first invention is that a through hole is provided in the molding recess, an elastic rubber body having an outer shape corresponding to the shape of the open hole is inserted into the through hole, and then sludge is poured. is there.
上記飾り用透かし穴とは,陶磁器のハンドル(取手
部)や高台等に設けた各種形状の装飾用の空隙部をい
う。The above-mentioned decorative watermark hole means a void portion for decoration of various shapes provided on a handle (handle portion) or a hill of a ceramic.
上記陶磁器としては,コーヒーカップ,果物盛り合わ
せ皿,ローソク燭台,バスケット陶磁器などがある。Examples of the above-mentioned ceramics include a coffee cup, a plate of fruits, a candlestick, and a basket ceramic.
また,上記弾性ゴム体としては,上記飾り用透かし穴
の内形状と略同形の外形状を有するものを用いる。上記
弾性ゴム体は,貫通孔の外部に位置する把持部と,該把
持部より突出した飾り用透かし穴形成部分とを有するこ
とが好ましい。これにより,該弾性ゴム体の貫通孔への
挿着が容易となる。As the elastic rubber body, one having an outer shape substantially the same as the inner shape of the decorative watermark hole is used. It is preferable that the elastic rubber body has a grip portion located outside the through hole and a decorative watermark hole forming portion protruding from the grip portion. This facilitates insertion of the elastic rubber body into the through hole.
また,弾性ゴム体に成形型に嵌るノッチ(切り欠き
溝)を設けることが好ましい。これにより,鋳込み成形
時に鋳込み泥漿の圧力によって弾性ゴム体が成形型から
外れることがなく,一方成形品の型出し時には弾性ゴム
体は容易に抜き取ることができる。In addition, it is preferable to provide a notch (cutout groove) in the elastic rubber body that fits in the mold. As a result, the elastic rubber body does not come off from the molding die due to the pressure of the casting slurry during the casting molding, while the elastic rubber body can be easily pulled out when the molded product is released from the mold.
また,弾性ゴム体の材質としては,シリコンゴム,ウ
レタンゴム,アクリルゴム,ニトリルゴム,多孔質のプ
ラスチック等がある。このうち,特に上記シリコンゴム
は,吸水性がなく,水切り良好で耐水性に優れると共
に,離型性,成形性,精密性に優れる。そのため,寸法
安定性が良く,しかも耐久性に優れている。また,上記
多孔質のプラスチックを用いる場合には,吸水性があ
り,しかも弾力性に優れるので,飾り用透かし穴の周辺
が大きい厚みの成形品の製造に好都合である。Further, as the material of the elastic rubber body, there are silicon rubber, urethane rubber, acrylic rubber, nitrile rubber, porous plastic and the like. Of these, the silicone rubber in particular has no water absorption, good drainage and excellent water resistance, as well as excellent releasability, moldability, and precision. Therefore, it has good dimensional stability and excellent durability. Further, when the above-mentioned porous plastic is used, it has water absorbency and is excellent in elasticity, which is convenient for manufacturing a molded product having a large thickness around the decorative watermark hole.
次に,本願の第2発明は,上記鋳込み成形方法に用い
る鋳込み成形型であり,飾り用の透かし穴を設けた陶磁
器を鋳込み成形するための成形型であって, 該成形型は,上型と下型とを有しており,該上型と下
型には,両者を合体することにより透かし穴を陶磁器本
体を形成する成形用凹部と,該成形用凹部に穿設された
貫通孔とが設けられており,該貫通孔に,上記透かし穴
の形状に相応した外形状を有する弾性ゴム体を着脱可能
に挿通してなることを特徴とする陶磁器の鋳込み成形型
にある。Next, a second invention of the present application is a casting mold for use in the above-mentioned casting method, which is a casting mold for casting ceramics provided with a fancy hole for decoration. And a lower mold, and the upper mold and the lower mold have a molding recess for forming a ceramic body by forming a watermark hole by combining the two, and a through hole formed in the molding recess. Is provided, and an elastic rubber body having an outer shape corresponding to the shape of the open hole is detachably inserted into the through hole.
第2発明において最も注目すべきことは,成形用凹部
に貫通孔を設け,該貫通孔に透かし穴の形状に相応した
外形状を有する弾性ゴム体を着脱可能に挿通したことで
ある。What is most noticeable in the second invention is that a through hole is provided in the molding recess, and an elastic rubber body having an outer shape corresponding to the shape of the watermark hole is detachably inserted into the through hole.
上記成形型は,例えばJISR9111(陶磁器型材用セッコ
ウ)の不純物0.1%以下の2水石膏によりつくられる。
これにより,該成形型は寸法精度に優れ,かつ吸水性が
良くなる。The molding die is made of gypsum dihydrate containing less than 0.1% of impurities of JIS R9111 (Gypsum for ceramics mold material), for example.
As a result, the mold has excellent dimensional accuracy and good water absorption.
また,上記において着脱可能とは,泥漿鋳込み時には
装着しておき,素地成形体が一定の水分含有量となった
後に抜き取ることができることをいう。Further, in the above description, detachable means that it can be attached during sludge casting and withdrawn after the green compact has a certain water content.
鋳込み成形方法に関する第1発明においては,まず成
形型における貫通孔に上記弾性ゴム体を挿通する。これ
は,該弾性ゴム体の外表面と略同形の飾り用透かし穴を
有する素地成形体を形成するためである。その後,成形
型内に陶磁器素地の泥漿を鋳込み,排泥する。これによ
り,上記成形型内に素地成形体を得る。In the first invention relating to the casting method, first, the elastic rubber body is inserted into the through hole of the molding die. This is for forming a base molded body having a decorative watermark hole of substantially the same shape as the outer surface of the elastic rubber body. Then, the slurry of the ceramic base is cast into the mold and drained. As a result, a green compact is obtained in the molding die.
その後,水分13〜20%,好ましくは15〜18%位まで半
脱水する。その後,上記弾性ゴム体を素地成形体より抜
き取る。これにより,上記弾性ゴム体が配置されていた
部分に,飾り用透かし穴が精度良く形成される。即ち,
該飾り用透かし穴の周縁が切り立った端部,テーパー状
の端部であっても精度良く飾り用透かし穴を形成するこ
とができる。Then, the water content is semi-dehydrated to 13 to 20%, preferably 15 to 18%. Then, the elastic rubber body is pulled out from the green body. As a result, the decorative watermark hole is accurately formed in the portion where the elastic rubber body is arranged. That is,
The ornamental watermark hole can be formed with high precision even if the edge of the ornamental watermark hole is a steep edge or a tapered end portion.
したがって,上記第1発明によれば,見栄えの良い飾
用透かし穴を有する陶磁器を能率良く製造することが可
能な,陶磁器の鋳込み成形方法を提供することができ
る。Therefore, according to the first aspect of the present invention, it is possible to provide a casting molding method for a ceramic porcelain that can efficiently manufacture a porcelain having a decorative open-hole.
このようにして,得られた素地成形体は,常法により
焼成し,陶磁器とする。The green body thus obtained is fired by a conventional method to obtain a ceramics.
一方,鋳込み成形型に関する第2発明によれば,前記
鋳込み成形方法を容易に実施することができる成形型を
提供することができる。On the other hand, according to the second aspect of the casting mold, it is possible to provide a casting mold that can easily carry out the casting method.
第1実施例 本発明にかかる陶磁器の鋳込み成形方法及び成形型に
つき,第1図〜第5図を用いて説明する。First Embodiment A casting method and a molding die for ceramics according to the present invention will be described with reference to FIGS. 1 to 5.
本例は,コーヒーカップ1における取手部11を,第1
発明により製造しようとするものである(第1図,第2
図参照)。In this example, the handle portion 11 of the coffee cup 1 is
The invention is intended to be manufactured (see FIGS. 1 and 2).
See figure).
まず,本例における成形型3は,第2図〜第4図に示
すごとく,飾り用透かし穴110を有する素地成形体9
(第1図)を成形するためのものである。そして,該成
形型3は上記素地成形体9を形成するための取手部成形
用凹部311,321を有する。そして,該取手部成形用凹部3
11,312には,第4図及び第5図に示すごとく,透かし穴
形成位置に貫通孔が設けられており,透かし穴110(第
1図)の形状に相当する外形状を有した弾性ゴム体4を
着脱可能に挿通する。First, as shown in FIGS. 2 to 4, the molding die 3 in this example has a base molded body 9 having a decorative watermark hole 110.
It is for molding (FIG. 1). The molding die 3 has handle portion molding recesses 311 and 321 for forming the green body 9. Then, the handle portion forming recess 3
As shown in FIGS. 4 and 5, through holes 11 and 312 are provided at the positions where the watermark holes are formed, and the elastic rubber member 4 has an outer shape corresponding to the shape of the watermark holes 110 (FIG. 1). Is detachably inserted.
上記成形型3は,第2図に示すごとく,上型31と下型
32とよりなる。The molding die 3 has an upper die 31 and a lower die as shown in FIG.
Consists of 32.
そして,上記上型31と下型32とは,第2図に示すごと
く,略中央部においてそれぞれ取手部成形用凹部311,32
1を有する。該取手部成形用凹部311,321は,上記コーヒ
ーカップ1の取手部11を上下に2分割した略同形の凹部
形状を有する。The upper mold 31 and the lower mold 32 are, as shown in FIG.
Having one. The handle forming recesses 311 and 321 have substantially the same shape as the handle 11 of the coffee cup 1 divided into upper and lower parts.
ここで注目すべきことは,上記取手部成形用凹部311,
321には,その上方中央部において,上記弾性ゴム体を
挿入するための貫通孔312,322が設けられていることで
ある。そして,該弾性ゴム体挿入用の貫通孔312,322
は,飾り用透かし穴110(第1図)と同様の略三か月形
状を有する。What should be noted here is that the above-mentioned recess 311,
The 321 is provided with through holes 312 and 322 for inserting the elastic rubber body in the upper center portion thereof. Then, the through holes 312, 322 for inserting the elastic rubber body
Has a substantially three-month shape similar to the decorative watermark hole 110 (FIG. 1).
また,上記上型31と下型32には,両型を重ね合わせる
ために用いられる凸状ダボ313,324と、これと対応した
形状の凹状受け部323,314を有する。また,上記上型31
は,第3図,第4図に示すごとく,上面310に貫通孔312
の外側に形成した指挿入部313を有する。また,該上型3
1は,上記貫通孔312と指挿入部313との間に,凹状の段
部318を有する。Further, the upper mold 31 and the lower mold 32 have convex dowels 313 and 324 used for superimposing the two molds, and concave receiving portions 323 and 314 having shapes corresponding to these. Also, the upper mold 31
As shown in FIGS. 3 and 4, through holes 312 are formed in the upper surface 310.
Has a finger insertion part 313 formed on the outer side of. Also, the upper mold 3
1 has a concave step portion 318 between the through hole 312 and the finger insertion portion 313.
上記弾性ゴム体4は,第5図に示すごとく,把持部41
と,透かし穴形成部分となる挿入偏平部42とを有する。
該挿入偏平部42は,飾り用透かし穴の形状と略同一の三
か月状を有する。そして,弾性ゴム体4は,耐水性,離
型性,精密性,耐久性に優れたシリコンゴムにより構成
する。As shown in FIG. 5, the elastic rubber body 4 has a grip portion 41.
And an insertion flat portion 42 which becomes a watermark hole forming portion.
The insertion flat portion 42 has a three-month shape that is substantially the same as the shape of the decorative watermark hole. The elastic rubber body 4 is made of silicone rubber which is excellent in water resistance, releasability, precision and durability.
次に,上記成形型3及び弾性ゴム体4を用いた鋳込み
成形方法につき,第1図〜第5図を用いて説明する。Next, a cast molding method using the molding die 3 and the elastic rubber body 4 will be described with reference to FIGS. 1 to 5.
まず,上記上型31と下型32とを,第2図及び第3図に
示すごとく,凸ダボ313,324を凹状受け部323,314内に挿
入し,重ね合わせてセットする。First, as shown in FIGS. 2 and 3, the upper mold 31 and the lower mold 32 are inserted with the convex dowels 313 and 324 in the concave receiving portions 323 and 314, and are set by superposing them.
次に,上記成形型3の弾性ゴム体挿入用の貫通孔312,
322に,上記弾性ゴム体4の挿入偏平部42を挿入する
(第4図)。Next, a through hole 312 for inserting the elastic rubber body of the molding die 3,
The flat insertion portion 42 of the elastic rubber body 4 is inserted into 322 (FIG. 4).
次いで,上記成形型3の泥漿注入口315,325(第2
図)より泥漿(図示略)を取手部成形用凹部311,321内
に流し込む。Next, the slurry injection ports 315, 325 (second
Pour the slurry (not shown) into the recesses 311 and 321 for molding the handle.
次に,一定時間経過後に排泥し,成形型3内に含水成
形体(通常含水率,湿量基準で13〜20重量%程度)から
なる取手部11の素地成形体9を形成する。Next, after a lapse of a certain time, the sludge is drained to form a green body 9 of a handle portion 11 made of a water-containing green body (usually having a water content of about 13 to 20% by weight on the basis of moisture content) in the forming die 3.
そして,上記素地成形体9を成形型3より脱型する直
前に,上記弾性ゴム体4を引き抜く。これにより,第1
図に示すごとく,上記弾性ゴム体4を挿着していたとこ
ろに,飾り用透かし穴110が形成された素地成形体9を
得る。Immediately before releasing the green body 9 from the mold 3, the elastic rubber body 4 is pulled out. As a result, the first
As shown in the figure, a base molded body 9 in which a decorative watermark hole 110 is formed is obtained where the elastic rubber body 4 is inserted.
その後,上記素地成形体9を取手部成形用凹部311,32
1より脱型する。そして,半乾燥状態(上記素地成形体
9の含水率が1〜10重量%程度)まで乾燥収縮させる。
これにより,第1図に示すごとく,飾り用透かし穴110
を有する取手部11の素地成形体9を得ることができる。After that, the green body 9 is attached to the recesses 311 and 32 for forming the handle portion.
Remove from 1. Then, it is dried and shrunk to a semi-dried state (the water content of the green body 9 is about 1 to 10% by weight).
As a result, as shown in FIG.
It is possible to obtain the green body 9 of the handle portion 11 having.
本例によれば,素地成形体9に飾り用透かし穴110
を,精度良く形成することができる。しかも,この形成
作業は,上記弾性ゴム体4を成形型3の貫通孔312,322
に着脱するという,極めて簡単な操作である。そのた
め,本例によれば,見栄えのよい飾り用透かし穴110を
有する陶磁器の素地成形体9を,精度よくかつ能率良く
成形できる。According to this example, the green body 9 is provided with a decorative watermark hole 110.
Can be accurately formed. Moreover, in this forming operation, the elastic rubber body 4 is inserted into the through holes 312, 322 of the molding die 3.
It is an extremely simple operation to attach and detach to and from. Therefore, according to this example, the ceramic green body 9 having the decorative open-hole 110 can be formed accurately and efficiently.
また,本例においては,上記弾性ゴム体4は,シリコ
ンゴムにより構成しているため,弾性ゴム体4自体に吸
水性がなく,また水切りが良好で耐水性に優れる。ま
た,該弾性ゴム体4は,素地成形体との離型性が良く,
成形性,精密性に優れる。また,該弾性ゴム体4は,寸
法安定性が良く,しかも強度,弾性力が大きいので,耐
久性に優れている。Further, in this example, since the elastic rubber body 4 is made of silicon rubber, the elastic rubber body 4 itself has no water absorption, and also has good drainage and excellent water resistance. Further, the elastic rubber body 4 has good releasability from the green body,
Excellent in moldability and precision. Further, the elastic rubber body 4 has good dimensional stability and high strength and elastic force, and therefore has excellent durability.
なお,上記取手部11の素地成形体9は,第1図に示す
ごとく,別途作っておいたコーヒーカップ1の本体に,
共土を用いて接合する。このようにして,得られた取っ
手部11の素地成形体9は,常法により焼成し,陶磁器と
する。The green body 9 of the handle 11 is, as shown in FIG.
Join using common soil. In this way, the green body 9 of the handle 11 thus obtained is fired by a conventional method to obtain a ceramics.
第2実施例 本例にかかる鋳込み形成方法及び成形型につき,第6
図及び第7図を用いて説明する。Second Embodiment A casting forming method and a molding die according to this embodiment will be described below.
This will be described with reference to FIGS.
即ち,本例は,上記第1実施例におけるコーヒーカッ
プ1に代えて,高台21に飾り用透かし穴210を有する果
物盛り合わせ皿2の陶磁器を鋳込み成形しようとするも
のである。その他の構成は,上記第1実施例と同様であ
る。That is, in this example, instead of the coffee cup 1 in the first embodiment, the ceramics of the fruit platter plate 2 having the decorative open hole 210 on the plateau 21 is to be cast and formed. Other configurations are similar to those of the first embodiment.
上記果物盛り合わせ皿2は,第6図に示すごとく,果
物を盛り合わせる本体20と,その下方に延設した高台21
とを有する。As shown in FIG. 6, the fruit platter plate 2 includes a main body 20 for assembling fruits and a plateau 21 extending below the main body 20.
Have and.
そして,上記高台21は,湾曲状の飾り用透かし穴210
と,装飾模様部211とを有する。The raised plate 21 has a curved decorative watermark hole 210.
And a decorative pattern portion 211.
そのため,これに相応して,成形型(図示略)を準備
する。該成形型は,上型と下型(第2図参照)とよりな
り,該上型と下型には弾性ゴム体挿入用貫通孔(第3図
参照)を配設する。Therefore, a molding die (not shown) is prepared accordingly. The mold comprises an upper mold and a lower mold (see FIG. 2), and elastic rubber body insertion through holes (see FIG. 3) are provided in the upper mold and the lower mold.
そして,上記貫通孔には,第7図に示すごときシリコ
ンゴムよりなる弾性ゴム体5を挿入する。該弾性ゴム体
5は,第7図に示すごとく,把持部51と,該把持部51よ
り突出する湾曲挿入部52とを有する。Then, an elastic rubber body 5 made of silicone rubber as shown in FIG. 7 is inserted into the through hole. As shown in FIG. 7, the elastic rubber body 5 has a grip portion 51 and a curved insertion portion 52 protruding from the grip portion 51.
そこで,上記第1実施例と同様に,成形型内に泥漿を
流し込み,次いで排泥等を行う。これにより,第6図に
示すごとく,高台21に飾り用透かし穴210を有する果物
盛り皿2の素地成形体9を得る。Therefore, as in the first embodiment, sludge is poured into the molding die, and then mud is discharged. As a result, as shown in FIG. 6, the base molded body 9 of the fruit serving plate 2 having the decorative open hole 210 on the hill 21 is obtained.
したがって,本例によれば,上記第1実施例と同様
に,飾り用透かし穴210を有する陶磁器を精度よくかつ
能率良く製造することができる。Therefore, according to this example, as in the case of the first example, it is possible to manufacture the ceramic having the decorative watermark hole 210 with high accuracy and efficiency.
第1図〜第5図は第1実施例を示し,第1図は「コーヒ
ーカップ」陶磁器の一部側面図,第2図は上型と下型か
らなる成形型の展開図,第3図はセットした成形型の平
面図,第4図は第3図のA−A矢視断面図,第5図は弾
性ゴム体の斜視図,第6図及び第7図は第2実施例を示
し,第6図は「果物盛り合わせ皿」陶磁器の一部側面
図,第7図は弾性ゴム体の斜視図である。 1……「コーヒーカップ」陶磁器, 11……取手部, 110……飾り用透かし穴, 2……「果物盛り合わせ皿」陶磁器, 21……高台, 210……飾り用透かし穴, 3……成形型, 31……上型, 32……下型, 311,321……取手部成形用凹部, 312,322……貫通孔, 4,5……弾性ゴム体, 9……素地成形体,1 to 5 show the first embodiment, FIG. 1 is a partial side view of a "coffee cup" ceramic, FIG. 2 is a development view of a forming die including an upper die and a lower die, and FIG. Is a plan view of the set mold, FIG. 4 is a sectional view taken along the line AA of FIG. 3, FIG. 5 is a perspective view of an elastic rubber body, and FIGS. 6 and 7 show a second embodiment. 6 is a partial side view of the "fruit platter plate" ceramics, and FIG. 7 is a perspective view of an elastic rubber body. 1 …… “Coffee cup” porcelain, 11 …… Handle, 110 …… Opening hole for decoration, 2 …… “Fruit platter plate” porcelain, 21 …… High ground, 210 …… Opening hole for decoration, 3 …… Molding Mold, 31 …… Upper mold, 32 …… Lower mold, 311,321 …… Concave part for forming handle part, 312,322 …… Through hole, 4,5 …… Elastic rubber body, 9 …… Molding body molding,
Claims (4)
と下型とからなる成形型を用いて鋳込み成形する方法で
あって,上記上型と下型には,両者を合体することによ
り透かし穴を除く陶磁器本体を形成する成形用凹部と,
該成形用凹部に穿設された貫通孔とが設けられており, 該貫通孔に,上記透かし穴の形状に相応した外形状を有
する弾性ゴム体を挿通し, 次いで,成形型内に泥漿を鋳込み,排泥後上記弾性ゴム
体を抜き取ることを特徴とする陶磁器の鋳込み成形方
法。1. A method of casting a pottery with a watermark hole for decoration using a molding die consisting of an upper die and a lower die, wherein the upper die and the lower die are united with each other. And a molding recess that forms the ceramic body excluding the watermark hole,
A through hole is formed in the molding recess, and an elastic rubber body having an outer shape corresponding to the shape of the open hole is inserted into the through hole. A cast molding method for ceramics, characterized in that the elastic rubber body is removed after casting and draining.
リコンゴムであることを特徴とする陶磁器の鋳込み成形
方法。2. The method of casting according to claim 1, wherein the elastic rubber body is silicone rubber.
成形するための成形型であって, 該成形型は,上型と下型とを有しており,該上型と下型
には,両者を合体することにより透かし穴を除く陶磁器
本体を形成する成形用凹部と,該成形用凹部に穿設され
た貫通孔とが設けられており,該貫通孔に,上記透かし
穴の形状に相応した外形状を有する弾性ゴム体を着脱可
能に挿通してなることを特徴とする陶磁器の鋳込み成形
型。3. A molding die for casting a ceramic porcelain having an ornamental open hole, the molding die having an upper die and a lower die, wherein the upper die and the lower die are formed. Is provided with a recess for molding which forms a ceramic body by excluding the watermark hole by combining the two, and a through hole formed in the recess for molding, and the shape of the watermark hole is formed in the through hole. A cast molding die for ceramics, wherein an elastic rubber body having an outer shape corresponding to is detachably inserted.
リコンゴムであることを特徴とする陶磁器の鋳込み成形
型。4. The casting mold for ceramics according to claim 3, wherein the elastic rubber body is silicon rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2217943A JPH082525B2 (en) | 1990-08-18 | 1990-08-18 | Casting molding method and molding die for ceramics having open hole for decoration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2217943A JPH082525B2 (en) | 1990-08-18 | 1990-08-18 | Casting molding method and molding die for ceramics having open hole for decoration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0499603A JPH0499603A (en) | 1992-03-31 |
JPH082525B2 true JPH082525B2 (en) | 1996-01-17 |
Family
ID=16712140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2217943A Expired - Fee Related JPH082525B2 (en) | 1990-08-18 | 1990-08-18 | Casting molding method and molding die for ceramics having open hole for decoration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH082525B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05285919A (en) * | 1992-04-08 | 1993-11-02 | Inax Corp | Slip casting of object having opening |
JPH05285918A (en) * | 1992-04-08 | 1993-11-02 | Inax Corp | Slip cast-molding method of molded object having opening |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6195902A (en) * | 1984-10-18 | 1986-05-14 | アサヒ衛陶株式会社 | Casting molding method of pottery and molding die thereof |
JPH0716931B2 (en) * | 1985-12-29 | 1995-03-01 | 京セラ株式会社 | Casting mold for ceramics |
JPS63120604A (en) * | 1986-11-10 | 1988-05-25 | 株式会社東芝 | Manufacture of molded form |
JPH069808B2 (en) * | 1989-07-11 | 1994-02-09 | 株式会社イナックス | Slurry casting method for moldings with openings |
-
1990
- 1990-08-18 JP JP2217943A patent/JPH082525B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0499603A (en) | 1992-03-31 |
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