JPH042082B2 - - Google Patents
Info
- Publication number
- JPH042082B2 JPH042082B2 JP24646683A JP24646683A JPH042082B2 JP H042082 B2 JPH042082 B2 JP H042082B2 JP 24646683 A JP24646683 A JP 24646683A JP 24646683 A JP24646683 A JP 24646683A JP H042082 B2 JPH042082 B2 JP H042082B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- cylinder
- clay
- kneading
- kneading machine
- 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
- 238000004898 kneading Methods 0.000 claims description 53
- 239000004927 clay Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 15
- 238000010008 shearing Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 22
- 239000000919 ceramic Substances 0.000 description 19
- 239000002994 raw material Substances 0.000 description 14
- 238000000465 moulding Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 molding aid Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Description
【発明の詳細な説明】
（技術分野）
本発明は土練機に関し、より詳しくは、セラミ
ツクスのグリーンシート等を押出し成形する場合
に半流動状のセラミツクスの混練材料に剪断作用
と圧縮作用を与えて混練を行う土練機に関する。[Detailed Description of the Invention] (Technical Field) The present invention relates to a clay kneading machine, and more specifically, it applies a shearing action and a compression action to a semi-fluid ceramic kneaded material when extruding a ceramic green sheet or the like. This invention relates to a clay kneading machine that performs kneading.
（従来技術）
一般に、高品質セラミツクスのグリーンシート
等を押出し成形する場合、セラミツクス微粉末、
バインダ、成形助剤および水とを予め所定の比率
で混合してなるセラミツクス原料を、第１図に示
すような真空土練機等の土練機で混練、脱気して
坏土を形成し、この坏土を１段式もしくは第２図
に示すような２段式の真空押出成形機でシート状
に成形している。(Prior art) Generally, when extruding high-quality ceramic green sheets, etc., ceramic fine powder,
A ceramic raw material prepared by pre-mixing a binder, a molding aid, and water at a predetermined ratio is kneaded and degassed in a clay kneading machine such as a vacuum clay kneading machine as shown in Fig. 1 to form clay. This clay is molded into a sheet using a single-stage vacuum extrusion machine or a two-stage vacuum extrusion machine as shown in FIG.
第１図に示す土練機は、シリンダ内でラセン状
の羽根を有するスクリユを回転駆動してセラミツ
クス原料を混練するいわゆるオーガ型と呼ばれる
もので、上段混練部１と下段混練部２との間に真
空室３を配した２段式のものである。第１図の土
練機において、原料投入口４に投入されたセラミ
ツクス原料（図示せず。）は、シリンダ５の内部
に１ないし２本のスクリユ６を配した上段混練部
１に供給されて剪断作用および圧縮作用を受けて
混練された後、真空室３に移されて脱気される。
脱気されたセラミツクス原料は、さらに、真空室
３から上段混練部１と同様に、シリンダ７の内部
に１ないし２本のスクリユ８を配した下段混練部
２に供給されて剪断作用および圧縮作用を受けて
混練された後、坏土として排出口９から排出され
る。 The clay kneading machine shown in Fig. 1 is of the so-called auger type, which kneads ceramic raw materials by rotating a screw having helical blades in a cylinder. It is a two-stage type with a vacuum chamber 3 arranged at the top. In the clay kneading machine shown in FIG. 1, a ceramic raw material (not shown) inputted into a raw material input port 4 is supplied to an upper kneading section 1 in which one or two screws 6 are disposed inside a cylinder 5. After being kneaded under shearing and compression, the mixture is transferred to the vacuum chamber 3 and degassed.
The degassed ceramic raw material is further supplied from the vacuum chamber 3 to the lower kneading section 2, which has one or two screws 8 disposed inside the cylinder 7, similar to the upper kneading section 1, where it is subjected to shearing and compression effects. After receiving and kneading, the clay is discharged from the discharge port 9 as clay.
上記のようにして得られた坏土（図示せず。）
は、１段式あるいは２段式の真空押出成形機でシ
ート状に成形される。 Clay obtained as above (not shown)
is molded into a sheet using a one-stage or two-stage vacuum extrusion molding machine.
第２図に示す真空押出成形機は２段式のもので
あり、第１図の土練機とほぼ同じ構成を有し、上
段押出部１１と下段押出部１２との間に真空室１
３が設けられ、坏土投入口１４に投入された坏土
（図示せず。）は、シリンダ１５の内部に１ないし
２本のスクリユ１６を配した上段押出部１１に供
給され、真空室１３に押し出されて脱気される。
脱気された坏土は、真空室１３の底部に設けられ
たローラ１７で圧縮された後、シリンダ１８の内
部に１本のスクリユ１９を配した下段押出部１２
に供給され、口金２０から坏土がシート状に成形
されて押し出される。 The vacuum extrusion molding machine shown in FIG. 2 is a two-stage type and has almost the same configuration as the clay kneading machine shown in FIG.
3 is provided, and the clay (not shown) charged into the clay input port 14 is supplied to the upper extrusion section 11 which has one or two screws 16 arranged inside the cylinder 15, and is fed into the vacuum chamber 13. is pushed out and degassed.
The degassed clay is compressed by a roller 17 provided at the bottom of the vacuum chamber 13, and then transferred to a lower extrusion section 12 in which a screw 19 is disposed inside a cylinder 18.
The clay is fed into a sheet and extruded from the die 20.
ところで、セラミツクス原料から坏土を形成す
る第１図において説明した土練機では、従来よ
り、上段混練部１のスクリユ６や下段混練部２の
スクリユ８は、断面が円形のシヤフトに一条、二
条あるいは三条と呼ばれるラセンを有するものが
使用されているが（第１図中は二条ラセン）、こ
のような土練機では、シリンダ５とスクリユ６と
の間あるいはシリンダ７とスクリユ８との間の空
間が大きくなり、坏土に充分な剪断作用や圧縮作
用が与えられず、セラミツクス粉末、バインダ、
成形助剤および水が均一に混練分散した坏土を得
るには、混練操作を多数回繰り返す必要があり、
効率が悪かつた。 By the way, in the clay kneading machine described in FIG. 1 for forming clay from ceramic raw materials, the screw 6 of the upper kneading section 1 and the screw 8 of the lower kneading section 2 have conventionally been formed by one or two threads on a shaft with a circular cross section. Alternatively, a clay kneading machine with a helix called a three-way screw (two-way screw in Figure 1) is used, but in such a clay kneading machine, there is The space becomes large, and sufficient shearing and compression action cannot be applied to the clay, causing ceramic powder, binder,
In order to obtain a clay in which the molding aid and water are uniformly kneaded and dispersed, it is necessary to repeat the kneading operation many times.
It was inefficient.
（発明の目的）
本発明は、上記事情に鑑みてなされたものであ
つて、その目的は、シリンダの軸方向に混練材料
が送られる過程で剪断と圧縮作用を受けて混練さ
れるようにした土練機において、シリンダとその
内部で回転駆動されるスクリユの形状に工夫を加
えることにより、混練材料に大きな剪断作用およ
び圧縮作用を与え、混練効果の高い土練機を得る
ことである。(Object of the Invention) The present invention has been made in view of the above circumstances, and its purpose is to knead the material by shearing and compressing it in the process of feeding it in the axial direction of the cylinder. The purpose of the present invention is to provide a clay kneading machine with a high kneading effect by applying a large shearing action and compression action to the kneaded material by adding innovation to the shape of the cylinder and the screw that is rotationally driven within the cylinder.
（発明の構成）
本発明を要約すれば、シリンダ内でスクリユが
回転駆動され、このシリンダに供給された半流動
状の混練材料がシリンダの軸方向に送られる過程
でシリンダ内面とスクリユ外面との間で剪断と圧
縮作用によつて混練されるようにした土練機にお
いて、上記スクリユの一部には両側面がテーパ面
となつた複数の回転円板が上記スクリユと同軸に
設けられており、上記シリンダ内面にはスクリユ
の上記回転円板のテーパ面との間に間隙をおいて
対向する斜面を有する谷が設けられていることを
特徴とする土練機である。(Structure of the Invention) To summarize the present invention, a screw is rotationally driven within a cylinder, and in the process of sending the semi-fluid kneaded material supplied to the cylinder in the axial direction of the cylinder, the inner surface of the cylinder and the outer surface of the screw are In this kneading machine, a plurality of rotating disks with tapered sides on both sides are provided coaxially with a part of the screw, and the screws are kneaded by shearing and compression between the screws. The clay kneading machine is characterized in that the inner surface of the cylinder is provided with a valley having a slope facing the tapered surface of the rotating disk of the screw with a gap therebetween.
本発明のいま一つの特徴は、シリンダ内でスク
リユが回転駆動され、このシリンダに供給された
半流動状の混練材料がシリンダの軸方向に送られ
る過程でシリンダ内面とスクリユ外面との間で剪
断と圧縮作用によつて混練されるようにした土練
機において、上記スクリユの一部には両側面がテ
ーパ面となつた複数の回転円板が上記スクリユと
同軸に設けられるとともに、これら複数の回転円
板にわたつて上記スクリユに一条ないし複数条の
混練材料送給用の送給ラセン溝が設けられ、上記
シリンダ内面にはスクリユの上記回転円板のテー
パ面との間に間隙をおいて対向する斜面を有する
谷が設けられていることを特徴する土練機であ
る。 Another feature of the present invention is that the screw is rotationally driven within the cylinder, and the semi-fluid kneaded material supplied to the cylinder is sheared between the inner surface of the cylinder and the outer surface of the screw while being fed in the axial direction of the cylinder. In this kneading machine, a plurality of rotating disks having tapered sides on both sides are provided coaxially with the screw, and a plurality of rotating disks having tapered surfaces on both sides are provided on a part of the screw. The screw is provided with one or more feed helical grooves for feeding the kneaded material across the rotating disk, and a gap is provided between the screw and the tapered surface of the rotating disk on the inner surface of the cylinder. This soil kneading machine is characterized by being provided with a valley having opposing slopes.
（実施例）
以下、添付図面を参照して本発明の実施例を説
明する。(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.
第３図に本発明に係る土練機と真空押出成形機
を一体化した土練押出成形機を示す。 FIG. 3 shows a clay kneading and extrusion molding machine that integrates a clay kneading machine and a vacuum extrusion molding machine according to the present invention.
第３図において、３１は混練部、３２は押出成
形部、３３は真空室であり、混練部３１は上段
に、押出成形部３２は下段に配置されている。 In FIG. 3, 31 is a kneading section, 32 is an extrusion molding section, and 33 is a vacuum chamber, where the kneading section 31 is arranged in the upper stage and the extrusion molding part 32 is arranged in the lower stage.
上記混練部３１は後述する１個ないし２個のシ
リンダ３４とスクリユ３５とからなり、このスク
リユ３５はスクリユ駆動モータ（図示せず。）に
よつて回転駆動される。 The kneading section 31 includes one or two cylinders 34 and a screw 35, which will be described later, and the screw 35 is rotationally driven by a screw drive motor (not shown).
押出成形部３２はシリンダ３５、スクリユ３６
および成形用口金部３７からなり、スクリユ３６
はスクリユ駆動モータ（図示せず。）によつて回
転駆動される。 The extrusion molding part 32 includes a cylinder 35 and a screw 36.
and a molding mouthpiece 37, and a screw 36.
is rotationally driven by a screw drive motor (not shown).
真空室３３は混練部３１と押出成形部３２の間
に配置されている。真空室３３内の空気は図示し
ない真空ポンプにより引かれる。 The vacuum chamber 33 is arranged between the kneading section 31 and the extrusion section 32. Air within the vacuum chamber 33 is drawn by a vacuum pump (not shown).
上記の如き構成を有する土練押出成形機におい
て、混練部３１のシリンダ３４とスクリユ３５
は、その途中から前端部にかけて、第４図に示す
ような形状としている。 In the clay extrusion molding machine having the above configuration, the cylinder 34 of the kneading section 31 and the screw 35
The shape from the middle to the front end is as shown in FIG.
すなわち、上記スクリユ３５の途中から前端部
にかけての部分の外側面には、両側面F1，F2が
テーパ面となつたソロバン玉状の回転円板３８，
３８…がほぼ等間隔をおいて、上記スクリユ３５
と同軸に形成されている。 That is, on the outer surface of the portion from the middle to the front end of the screw 35, there is a rotating disk 38 in the shape of a Soroban bead, with both side surfaces F 1 and F 2 being tapered surfaces.
38... are spaced at approximately equal intervals, and the screws 35
It is formed coaxially with.
一方、上記シリンダ３４側には、上記回転円板
３８，３８…の各テーパ面F1，F2との間に、例
えば１mm〜３mmの間隔ｇをおいて対向する斜面
S1，S2を有する谷３９，３９…が形成されてい
る。 On the other hand, on the side of the cylinder 34, there is an inclined surface that faces the tapered surfaces F 1 and F 2 of the rotating disks 38, 38, with an interval g of, for example, 1 mm to 3 mm.
Valleys 39, 39... having S 1 and S 2 are formed.
上記のようにすれば、第３図の土練押出成形機
の混練部３１の原料投入口４０に投入されたセラ
ミツク微粉末、バインダ、成形助剤および水を予
め所定の比率で混合されたセラミツク原料は、混
練部３１のスクリユ３５の後端部からその途中ま
で形成されたラセン羽根により、シリンダ３４の
軸方向に上記スクリユ３５の先端部に向かつて移
送される。この移送により、上記セラミツクス原
料が第４図に示すスクリユ３５の回転円板３８，
３８…の形成部分に達すると、上記セラミツクス
原料は回転円板３８，３８…の各テーパ面F1，
F2とそれに対向するシリンダ３４内面の谷３９，
３９…の各斜面S1，S2との間の間隙ｇを通つて真
空室３３（第３図参照）に向かつて、矢印で示す
ように、移送されることになる。この過程で、上
記セラミツクス原料は、シリンダ３４内面の谷３
９，３９…の各斜面S1，S2に対向して回転する回
転円板３８，３８…の各テーパ面F1，F2により
強力な剪断作用を受けるとともに、小さな間隙ｇ
の間を移送される間に強力な圧縮作用を受けて充
分混練された後、真空室３３に移送されることに
なる。 In the above manner, ceramic fine powder, a binder, a molding aid, and water, which are charged into the raw material input port 40 of the kneading section 31 of the clay extrusion molding machine shown in FIG. 3, are mixed in advance in a predetermined ratio. The raw material is transferred toward the tip of the screw 35 in the axial direction of the cylinder 34 by a helical blade formed halfway from the rear end of the screw 35 of the kneading section 31 . By this transfer, the ceramic raw material is transferred to the rotating disk 38 of the screw 35 shown in FIG.
When reaching the forming portion of 38, the ceramic raw material is applied to each tapered surface F 1 of the rotating disks 38, 38...
F 2 and the valley 39 on the inner surface of the cylinder 34 facing it,
39... are transferred to the vacuum chamber 33 (see FIG. 3) through the gap g between the slopes S 1 and S 2 as shown by the arrows. In this process, the ceramic raw material is removed from the valley 3 on the inner surface of the cylinder 34.
9, 39... are subjected to strong shearing action by the respective tapered surfaces F 1 , F 2 of the rotary disks 38, 38... rotating opposite to the respective slopes S 1 , S 2 of the rotating discs 38, 38..., and the small gap g
After being sufficiently kneaded by being subjected to a strong compressive action while being transferred between the chambers 33 and 33, the mixture is transferred to the vacuum chamber 33.
上記混練部３１を移送される過程で、セラミツ
クス原料は、上記のように、強力な剪断作用と圧
縮作用を受け、セラミツクス粉末、バインダ、成
形助剤および水が均一に分散した気泡が少なく混
練度の高い坏土となる。 In the process of being transferred through the kneading section 31, the ceramic raw material is subjected to strong shearing and compression actions as described above, and the ceramic powder, binder, molding aid, and water are uniformly dispersed with few air bubbles and a high kneading degree. It becomes a high quality clay.
従つて、この坏土は、真空室３３を経て押出成
形部３２に供給され、第２図の真空押出成形機と
同様にして、シート状のセラミツクスに成形され
ることになる。 Therefore, this clay is supplied to the extrusion molding section 32 through the vacuum chamber 33, and is molded into a sheet-like ceramic in the same manner as the vacuum extrusion molding machine shown in FIG.
上記混練部３１のスクリユ３５の回転円板３
８，３８…の形成部分には、第５図に示すよう
に、これら回転円板３８，３８…に交差して混練
材料送給用の送給ラセン溝４１を設けるようにし
てもよい。このようにすれば、スクリユ３５の回
転円板３８，３８…の形成部分でのセラミツクス
原料の移送が容易になるとともに、上記送給ラセ
ン溝４１の側壁４１ａ，４１ａの上端部とシリン
ダ３４の谷３９，３９…の各斜面S1，S2との間で
セラミツクス原料が受ける剪断作用も大きくする
ことができる。 Rotating disk 3 of the screw 35 of the kneading section 31
As shown in FIG. 5, feeding helical grooves 41 for feeding the kneaded material may be provided in the forming portions of the rotating disks 38, 38, . In this way, it becomes easy to transfer the ceramic raw material at the portion of the screw 35 where the rotating disks 38, 38, . . . The shearing action that the ceramic raw material receives between the slopes S 1 and S 2 of 39, 39, etc. can also be increased.
なお、上記送給ラセン溝４１は複数条形成され
ていてもよい。 Note that the feeding helical groove 41 may be formed in a plurality of strips.
上記の説明においては、本発明を土練押出成形
機に適用した実施例について説明したが、本発明
は、真空押出成形機とは別に設けられた独立した
土練機にも適用することもできる。また、混練部
３１は２軸式のものであつてもよい。 In the above explanation, an example in which the present invention is applied to a clay extrusion molding machine has been described, but the present invention can also be applied to an independent clay kneading machine provided separately from a vacuum extrusion molding machine. . Further, the kneading section 31 may be of a two-screw type.
（発明の効果）
以上、詳述したことからも明らかなように、本
発明は土練機において、シリンダの内部で回転駆
動されるスクリユの一部にテーパ面を有するソロ
バン玉状の回転円板を形成してシリンダ内面に形
成された谷の斜面と小さな間隙をおいて対向させ
るようにしたものであり、混練材料はスクリユの
テーパ面とシリンダ内面の谷の斜面との間で大き
な剪断作用と圧縮作用を受け、混練度が高く内部
空孔が少い坏土を得ることができる。(Effects of the Invention) As is clear from the above detailed description, the present invention provides a clay kneading machine in which a ball-shaped rotating disk having a tapered surface on a part of the screw that is rotated inside the cylinder is used. The kneaded material is made to face the slope of the valley formed on the inner surface of the cylinder with a small gap, and the kneaded material is subjected to a large shearing action between the tapered surface of the screw and the slope of the valley on the inner surface of the cylinder. Under the compression action, it is possible to obtain clay with a high degree of kneading and few internal pores.
また、本発明は、土練機において、シリンダの
内部で回転駆動されるスクリユの一部に形成され
たシリンダ内面の谷の斜面に対向するソロバン玉
状の回転円板に交差して混練材料送給用の送給ラ
センを形成するようにしたから、スクリユの回転
円板形成部分での混練材料の移送速度が速くな
り、混練材料の混練効率が高くなり、混練度も高
くなる。 In addition, the present invention provides a clay kneading machine in which the kneaded material is fed across a rotating disk in the form of a bead that faces the slope of a valley on the inner surface of the cylinder, which is formed in a part of the screw that is rotationally driven inside the cylinder. Since the feeding helix is formed, the transfer speed of the kneaded material at the rotating disk forming part of the screw becomes faster, the kneading efficiency of the kneaded material becomes higher, and the degree of kneading also becomes higher.
第１図は従来の土練機の説明図、第２図は真空
押出成形機の説明図、第３図は本発明を適用した
真空土練押出成形機の説明図、第４図および第５
図は夫々第３図の真空土練押出成形機の土練機部
分の混練部の要部を示す２つの実施例の説明図で
ある。
３１……混練部、３２……押出成形部、３３…
…真空室、３４……シリンダ、３５……スクリ
ユ、３７……成形用口金、３８……回転円板、３
９……谷、４１……送給ラセン溝、F1，F2……
テーパ面、S1，S2……斜面。
Fig. 1 is an explanatory diagram of a conventional clay kneading machine, Fig. 2 is an explanatory diagram of a vacuum extrusion molding machine, Fig. 3 is an explanatory diagram of a vacuum clay kneading extrusion molding machine to which the present invention is applied, and Figs.
The figures are explanatory diagrams of two embodiments showing the essential parts of the kneading section of the clay kneading machine part of the vacuum clay kneading extrusion molding machine shown in FIG. 3, respectively. 31...Kneading section, 32...Extrusion molding section, 33...
...Vacuum chamber, 34...Cylinder, 35...Screw, 37...Molding die, 38...Rotating disk, 3
9... Valley, 41... Feeding helical groove, F 1 , F 2 ...
Tapered surface, S 1 , S 2 ... slope.
Claims (1)
シリンダに供給された半流動状の混練材料がシリ
ンダの軸方向に送られる過程でシリンダ内面とス
クリユ外面との間で剪断と圧縮作用によつて混練
されるようにした土練機において、上記スクリユ
の一部には両側面がテーパ面となつた複数の回転
円板が上記スクリユと同軸に設けられており、上
記シリンダ内面にはスクリユの上記回転円板のテ
ーパ面との間に間隙をおいて対向する斜面を有す
る谷が設けられていることを特徴とする土練機。 ２ シリンダ内でスクリユが回転駆動され、この
シリンダに供給された半流動状の混練材料がシリ
ンダの軸方向に送られる過程でシリンダ内面とス
クリユ外面との間で剪断と圧縮作用によつて混練
されるようにした土練機において、上記スクリユ
の一部には両側面がテーパ面となつた複数の回転
円板が上記スクリユと同軸に設けられるととも
に、これら複数の回転円板にわたつて上記スクリ
ユに少くとも１条の混練材料送給用の送給ラセン
溝が設けられ、上記シリンダ内面にはスクリユの
上記回転円板のテーパ面との間に間隙をおいて対
向する斜面を有する谷が設けられていることを特
徴とする土練機。[Claims] 1. A screw is driven to rotate within a cylinder, and the semi-fluid kneaded material supplied to the cylinder is sheared and compressed between the inner surface of the cylinder and the outer surface of the screw while being fed in the axial direction of the cylinder. In a clay kneading machine that mixes the soil by action, a plurality of rotating disks having tapered sides on both sides are provided coaxially with a part of the screw, and the inner surface of the cylinder is A clay kneading machine characterized in that a valley having a slope facing the tapered surface of the rotating disk of the screw is provided with a gap therebetween. 2 The screw is driven to rotate within the cylinder, and the semi-fluid kneaded material supplied to the cylinder is kneaded by shearing and compression between the inner surface of the cylinder and the outer surface of the screw as it is fed in the axial direction of the cylinder. In the clay kneading machine, a plurality of rotating disks having tapered sides on both sides are provided coaxially with the screw on a part of the screw. is provided with at least one feed helical groove for feeding the kneaded material, and a valley having a slope facing the tapered surface of the rotating disk of the screw with a gap is provided on the inner surface of the cylinder. A clay kneading machine that is characterized by being
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24646683A JPS60141511A (en) | 1983-12-29 | 1983-12-29 | Soil kneader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24646683A JPS60141511A (en) | 1983-12-29 | 1983-12-29 | Soil kneader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60141511A JPS60141511A (en) | 1985-07-26 |
| JPH042082B2 true JPH042082B2 (en) | 1992-01-16 |
Family
ID=17148832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24646683A Granted JPS60141511A (en) | 1983-12-29 | 1983-12-29 | Soil kneader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60141511A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4520243B2 (en) * | 2004-07-30 | 2010-08-04 | 電気化学工業株式会社 | Manufacturing method of ceramic sheet, ceramic substrate using the same, and use thereof |
| JP4510579B2 (en) * | 2004-10-08 | 2010-07-28 | 電気化学工業株式会社 | Manufacturing method of ceramic sheet |
-
1983
- 1983-12-29 JP JP24646683A patent/JPS60141511A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60141511A (en) | 1985-07-26 |
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| EXPY | Cancellation because of completion of term |