JPH057342U - Powder supply nozzle - Google Patents
Powder supply nozzleInfo
- Publication number
- JPH057342U JPH057342U JP5552691U JP5552691U JPH057342U JP H057342 U JPH057342 U JP H057342U JP 5552691 U JP5552691 U JP 5552691U JP 5552691 U JP5552691 U JP 5552691U JP H057342 U JPH057342 U JP H057342U
- Authority
- JP
- Japan
- Prior art keywords
- powder
- nozzle
- gas
- container
- supply nozzle
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
- Accessories For Mixers (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
(57)【要約】
【目的】 液体と粉体の混合や反応処理を行う容器上部
に装着する粉体供給ノズルについて、容器内上部にベー
パが存在しても、外部からの粉体を内壁面に付着するこ
となく円滑に通過させて容器内に導入できるものとす
る。
【構成】 Ｔ字管状に成形されたノズル本体(1) の直管
部を粉体ノズル部(2) 、交差管部をガス吹込部(3) と
し、そのガス吹込部(3) に、内端部の外周面に軸線方向
のガス吹込溝(4a)を設けると共に、このガス吹込溝(4a)
を横穴(4c)およびガス導入穴(4b)にて外側端に連通させ
た栓状のガスノズル(4) を嵌入させて、粉体ノズル部
(2) の内径円に対して接線をなす方向のガス吹込路を形
成せしめた粉体供給ノズルとする。
【効果】 ガスノズルを介して粉体ノズル部に圧ガスを
吹き込むことで、内壁面に沿うガスの旋回流を形成し、
その内壁面に粉体が付着することを抑止できる。
(57) [Summary] [Purpose] With respect to the powder supply nozzle mounted on the upper part of the container for mixing liquid and powder and performing reaction processing, even if vapor is present in the upper part of the container, the powder from the outside is supplied to the inner wall surface. It should be able to smoothly pass through and be introduced into the container without adhering to. [Structure] The straight pipe part of the T-shaped nozzle body (1) is the powder nozzle part (2), the cross pipe part is the gas injection part (3), and the gas injection part (3) Along with the gas blow groove (4a) in the axial direction on the outer peripheral surface of the end, this gas blow groove (4a)
Insert the plug-shaped gas nozzle (4), which is connected to the outer end through the horizontal hole (4c) and the gas introduction hole (4b), into the powder nozzle part.
(2) The powder supply nozzle has a gas injection passage formed in a direction tangential to the inner diameter circle. [Effect] By blowing the pressurized gas into the powder nozzle through the gas nozzle, a swirling flow of the gas along the inner wall surface is formed,
It is possible to prevent the powder from adhering to the inner wall surface.
Description
【０００１】[0001]
本考案は、粉体供給ノズルに関し、詳細には、液体と粉体との混合または反応 処理等に用いられる容器に装着される粉体供給ノズルに関するものである。 The present invention relates to a powder supply nozzle, and more particularly to a powder supply nozzle mounted in a container used for mixing liquid and powder or for reaction processing.
【０００２】[0002]
液体と粉体との混合または反応処理等に用いられる攪拌容器や反応容器には、 原料粉体の充填や処理中における反応粉体の追添等を行うための粉体供給ノズル が装着され、外部に設けられた粉体貯溜槽やホッパー等からの粉体を、粉体供給 ノズルを介して適宜量および時点で容器内に導入している。 また、これら粉体供給ノズルは、通常容器上部に上下方向に配され、容器内部 の減圧よる吸引ないしは重力による自然落下によって粉体を容器内に導く構成と されている。また、粉体の通過を円滑なものとするために円管状に形成されたも のが最も一般的である。 A stirring container and a reaction container used for mixing liquid and powder or for reaction processing are equipped with powder supply nozzles for filling raw material powder and adding reaction powder during processing, The powder from an external powder storage tank or hopper is introduced into the container at an appropriate amount and time through a powder supply nozzle. Further, these powder supply nozzles are usually arranged in the upper and lower direction on the upper part of the container, and are configured to guide the powder into the container by suction by decompression inside the container or by natural fall due to gravity. In addition, in order to make the passage of the powder smooth, it is most commonly formed in a tubular shape.
【０００３】[0003]
しかしながら、上記従来の粉体供給ノズルでは、以下の問題がしばしば発生し 、その解消が望まれていた。 すなわち、液体と粉体との混合または反応処理は、容器内充満状態で行われる ことは稀で、容器内に気液の界面が形成されるのが通常である。このため、これ らの処理においては、容器内上部に液体のベーパリングが起こり易く、発生した ベーパに影響されて外部から導入する粉体が粉体供給ノズルの内壁面に付着し、 その円滑な通過が阻害されて処理効率を低下させるだけでなく、ときにはノズル 閉塞という事態まで引き起こしていた。 However, in the above-mentioned conventional powder supply nozzle, the following problems often occur, and their elimination has been desired. That is, the mixing or reaction process of the liquid and the powder is rarely carried out in a filled state in the container, and a gas-liquid interface is usually formed in the container. Therefore, in these processes, liquid vaporization is likely to occur in the upper part of the container, and the powder introduced from the outside due to the generated vapor adheres to the inner wall surface of the powder supply nozzle and smoothly passes through it. Not only does this hinder the processing efficiency and lowers the processing efficiency, but it sometimes causes nozzle clogging.
【０００４】 本考案はかかる問題点を解消するためになされたものであって、容器内上部に ベーパが存在しても、容器外部からの粉体を、内壁面への付着やノズル閉塞等を 生じさせることなく通過させ、円滑かつ安定して容器内に導入することのできる 粉体供給ノズルを提供することを目的とするものである。The present invention has been made in order to solve such a problem. Even if there is a vapor in the upper part of the container, powder from the outside of the container is prevented from adhering to the inner wall surface or clogging of the nozzle. It is an object of the present invention to provide a powder supply nozzle which can be passed through without causing and smoothly and stably introduced into a container.
【０００５】[0005]
上記の目的を達成するために、本考案は以下の構成とされている。すなわち、 本考案に係る粉体供給ノズルは、液体と粉体との混合または反応処理に用いられ る容器の上部に装着され、容器外部から供給される粉体を容器内に導入する円管 状の粉体供給ノズルであって、側壁に粉体の導入方向に交差し、かつ内径円に対 して接線をなす方向に貫通させたガス吹込口を設けたものである。 In order to achieve the above object, the present invention has the following configuration. That is, the powder supply nozzle according to the present invention is mounted on the upper part of a container used for mixing or reacting liquid and powder and introducing a powder supplied from the outside of the container into the container. In the powder supply nozzle, a gas injection port is provided on the side wall, which intersects with the powder introduction direction and penetrates in a direction tangential to the inner diameter circle.
【０００６】[0006]
以下に、本考案に係る粉体供給ノズルの実施例を図面を参照して説明する。 An embodiment of a powder supply nozzle according to the present invention will be described below with reference to the drawings.
【０００７】 〔図１〕は本考案の実施例の粉体供給ノズルを示す図であって、 (a)図は正断 面図、 (b)図は (a)図のＡ−Ａ断面図、 (c)図は装着例の説明図である。FIG. 1 is a view showing a powder supply nozzle according to an embodiment of the present invention. (A) is a front sectional view, (b) is a sectional view taken along line AA of (a). , (C) are explanatory views of a mounting example.
【０００８】 〔図１〕の (a)図および (b)図において、(1) はノズル本体であって、このノ ズル本体(1) は、市販されている金属製のフランジ付のＴ字管の内面にＰＴＦＥ （ポリテトラフロロエチレン）をライニングしてなる保護層(1a)を設けたもので 、その直管部を粉体を通過させる粉体ノズル部(2) とし、分岐管部をガス導入部 (3) とするものである。なお、粉体ノズル部(2) とガス導入部(3) の内径は等径 とされる。In FIGS. 1 (a) and 1 (b), (1) is a nozzle body, and this nozzle body (1) is a T-shape with a commercially available metal flange. A protective layer (1a) made by lining PTFE (polytetrafluoroethylene) on the inner surface of the pipe is provided. The straight pipe part is made into the powder nozzle part (2) for passing the powder, and the branch pipe part is It is used as the gas introduction part (3). The inner diameters of the powder nozzle part (2) and the gas introduction part (3) are equal.
【０００９】 (4) はガスノズルであって、このガスノズル(4) は、ガス導入部(3) に嵌入し て充填する栓状体に成形されたＰＴＦＥ材製のもので、その内端部の外周面に軸 線方向に設けられたＶ字状断面のガス吹込溝(4a)と、外側端部の中心部に軸線方 向に設けられて外側に向けて開口するガス導入穴(4b)と、中間部に軸直交方向に 設けられてガス吹込溝(4a)とガス導入穴(4b)とを連通させる横穴(4c)とを有して なり、ガス吹込溝(4a)が粉体ノズル部(2) の内径円に対する接線上に位置する角 度位相でもって、ガス導入部(3) に着脱可能に嵌入されている。Reference numeral (4) is a gas nozzle, which is made of a PTFE material which is formed into a plug-like body which is fitted into the gas introduction portion (3) and filled therein. A gas injection groove (4a) having a V-shaped cross section which is provided on the outer peripheral surface in the axial direction, and a gas introduction hole (4b) which is provided at the center of the outer end portion in the axial direction and opens toward the outside. , A horizontal hole (4c) provided in the middle part in the direction orthogonal to the axis and connecting the gas injection groove (4a) and the gas introduction hole (4b), and the gas injection groove (4a) is provided in the powder nozzle part. It is removably fitted in the gas introduction part (3) with an angular phase located on the tangent to the inner diameter circle of (2).
【００１０】 次に、本実施例の粉体供給ノズルの装着例とその作動について、 (c)図を用い て説明する。なお、 (c)図において、Ｎは上記構成を具備する本実施例の粉体供 給ノズルであって、Ｖは装着対象例としての攪拌容器である。Next, an example of mounting the powder supply nozzle of this embodiment and its operation will be described with reference to FIG. In FIG. 3C, N is the powder supply nozzle of the present embodiment having the above-mentioned configuration, and V is a stirring container as an example of a mounting target.
【００１１】 本実施例の粉体供給ノズルＮは、粉体ノズル部(2) の一方の開口部を攪拌容器 Ｖの上部に設けられた開口部に連結させると共に、他方の開口部を攪拌容器Ｖの 上方に配された粉体供給源としてのホッパＨに連結させて、攪拌容器Ｖの上部に 上下方向に装着される。また、この粉体供給ノズルＮのガス導入部(3) は、フレ キシブル管Ｐを介して圧ガス供給器Ｇに連結される。In the powder supply nozzle N of this embodiment, one opening of the powder nozzle part (2) is connected to the opening provided at the upper part of the stirring container V, and the other opening is connected to the stirring container V. It is connected to a hopper H as a powder supply source arranged above V, and is vertically mounted on the upper part of the stirring container V. Further, the gas introduction part (3) of the powder supply nozzle N is connected to the pressurized gas supply device G via the flexible pipe P.
【００１２】 ところで、このように粉体供給ノズルＮを装着した攪拌容器Ｖで、液体と粉体 との混合処理を行うと、通常、この攪拌容器Ｖ内上部に液体のベーパリングが起 こり、粉体供給ノズルＮの内壁面が発生したベーパによって湿潤状態となる。 このため、混合処理中における粉体の追添のため、ホッパＨから所定量の粉体 を、粉体供給ノズルＮを介して減圧させた攪拌容器Ｖ内に送り込まんとするとき 、そのままでは、攪拌容器Ｖ内に導入すべき粉体が、当該粉体供給ノズルＮの内 壁面に付着し、その円滑な通過が阻害されて処理効率および精度を低下させる。 また、繰り返し操業を行う場合には、単位処理の終了都度にノズル清掃を行う 等の煩雑な対処を講じない限り、その傾向は助長され、ときにはノズル閉塞とい う事態まで引き起こすことになる。By the way, when the mixing process of the liquid and the powder is performed in the stirring container V equipped with the powder supply nozzle N as described above, the vaporization of the liquid usually occurs in the upper part of the stirring container V, and The vapor generated on the inner wall surface of the body supply nozzle N causes a wet state. Therefore, when a predetermined amount of powder is to be fed from the hopper H into the depressurized stirring container V through the powder supply nozzle N in order to add the powder during the mixing process, as it is, The powder to be introduced into the stirring container V adheres to the inner wall surface of the powder supply nozzle N, hinders its smooth passage, and reduces the processing efficiency and accuracy. Also, in the case of repeated operations, unless complicated measures are taken, such as cleaning the nozzle each time the unit processing is completed, this tendency is promoted and sometimes even nozzle clogging occurs.
【００１３】 本実施例の粉体供給ノズルＮは、このような問題が発生することを抑止するも のであって、粉体の攪拌容器Ｖ内への導入に際して、圧ガス供給器Ｇから圧ガス を送給させ、ガス導入部(3) を介して粉体ノズル部(2) に吹き込む。 このとき、圧ガスは、ガスノズル(4) の粉体ノズル部(2) 内径円に対する接線 上に位置するガス吹込溝(4a)を介して該粉体ノズル部(2) 内に噴入させられると 共に、減圧された攪拌容器Ｖ内に向けて吸引降下させられるので、当該粉体ノズ ル部(2) の内壁面に沿って螺旋状に降下する旋回流を形成し、その旋回流によっ て粉体が内壁面に付着することを抑止し、攪拌容器Ｖ内に向けて円滑に通過させ ることができる。なお、送給する圧ガスとしては、処理する液体および粉体の混 合や反応に対して不活性なガスを用いる。The powder supply nozzle N of the present embodiment suppresses the occurrence of such a problem, and when the powder is introduced into the stirring container V, the compressed gas is supplied from the compressed gas supplier G. And is blown into the powder nozzle part (2) through the gas introduction part (3). At this time, the pressurized gas is injected into the powder nozzle part (2) through the gas injection groove (4a) located on the tangent to the inner diameter circle of the powder nozzle part (2) of the gas nozzle (4). At the same time, since it is sucked down into the depressurized stirring vessel V, a swirling flow that spirally descends along the inner wall surface of the powder nozzle part (2) is formed, and by this swirling flow. As a result, it is possible to prevent the powder from adhering to the inner wall surface and smoothly pass the powder toward the inside of the stirring container V. As the pressurized gas to be fed, a gas inert to the mixture and reaction of the liquid and powder to be treated is used.
【００１４】 以上に述べたように、本実施例の粉体供給ノズルを装着した攪拌容器では、混 合処理中における粉体の追添や、繰り返し操業における原料粉体の充填に際する 粉体のノズル内付着やノズル閉塞を完全に防ぐことができ、安定した液体と粉体 との混合処理を効率良く行うことができる。As described above, in the stirring container equipped with the powder supply nozzle according to the present embodiment, the powder is added during the mixing process or when the raw powder is filled in the repeated operation. It is possible to completely prevent the adherence in the nozzle and the nozzle clogging, and it is possible to efficiently perform a stable mixing process of liquid and powder.
【００１５】 また、本実施例の粉体供給ノズルは、市販されているフランジ付のＴ字管の内 面にＰＴＦＥをライニングしてなるノズル本体(1) と、比較的簡易な構成のガス ノズル(4) とを準備することで容易に制作でき、かつ、その保守点検および整備 もガスノズル(4) の装脱にて簡単に行うことができる。 更にまた、ガスノズル(4) は、ノズル本体(1) のガス導入部(3) に所定角度位 相でもって嵌入させるだけで、そのガス吹込溝(4a)を、当該ノズル本体(1) の粉 体ノズル部(2) の内径円に対する接線上に容易に位置させることができるので、 ノズル本体(1) への装脱が非常に簡易であり、一方、そのガス導入穴(4b)は中心 部に設けているので、ノズル本体(1) のガス導入部(3) と圧ガス供給器Ｇに連通 するフレキシブル管Ｐとの接続に際して、特別の配慮を加えることなく容易にガ ス連通状態を得ることができるなど、実用上の利点を多く有している。In addition, the powder supply nozzle of the present embodiment is a gas main body (1) in which PTFE is lined on the inner surface of a commercially available flanged T-shaped tube, and a gas nozzle having a relatively simple structure. (4) and can be easily produced, and the maintenance and inspection can be easily done by mounting and dismounting the gas nozzle (4). Furthermore, the gas nozzle (4) can be inserted into the gas introduction part (3) of the nozzle body (1) at a predetermined angle phase so that the gas blow-in groove (4a) of the gas nozzle (4) becomes Since it can be easily positioned on the tangent to the inner diameter circle of the body nozzle part (2), it is very easy to insert and remove from the nozzle body (1), while its gas introduction hole (4b) is located at the center part. Since it is provided, when connecting the gas introduction part (3) of the nozzle body (1) and the flexible pipe P communicating with the pressurized gas supplier G, it is possible to easily obtain a gas communication state without adding special consideration. It has many practical advantages such as
【００１６】 なお、本実施例の粉体供給ノズルでは、ガスノズル(4) のガス吹込溝(4a)を軸 線方向に設け、圧ガスをノズル本体(1) の粉体ノズル部(2) の軸線に直交する方 向に吹き出させるものとしたが、これは例えば、重力による自然落下によって粉 体を容器内に導く場合には、ガスノズルのガス吹込溝を、軸線に一定の角度を持 つ方向に設け、圧ガスを粉体ノズル部の軸線に斜め下方に交差し、かつ内径円に 対して接線方向に吹き出させて、その内壁に沿って螺旋状に下降する旋回流を形 成させると、粉体の容器内への移送が促進されて効果的である。In the powder supply nozzle of this embodiment, the gas injection groove (4a) of the gas nozzle (4) is provided in the axial direction, and the pressurized gas is supplied to the powder nozzle portion (2) of the nozzle body (1). Although it is assumed that the powder is blown out in a direction orthogonal to the axis, for example, when the powder is guided by gravity into the container, the gas injection groove of the gas nozzle is placed in a direction with a certain angle to the axis. When the compressed gas crosses the axis of the powder nozzle portion obliquely downward and is blown tangentially to the inner diameter circle, a swirling flow that spirals down along the inner wall is formed, It is effective because the transfer of the powder into the container is promoted.
【００１７】 また、本実施例では、ノズル本体の内面にＰＴＦＥをライニングすると共に、 ガスノズルをＰＴＦＥ材製のものとしたが、これは薬品等よる腐食に対する耐性 を高める一方で、粉体の付着を抑制するのに有利であるからであって、必ずしも このようしなくても良く、粉体供給ノズルの構成部材に用いる材料の種別は装着 される容器の用途に応じて選択されて良い。In this embodiment, the inner surface of the nozzle body is lined with PTFE, and the gas nozzle is made of PTFE material. This improves resistance to corrosion due to chemicals, etc., while preventing powder adhesion. This is because it is advantageous to suppress it, and it is not always necessary to do so, and the type of material used for the constituent member of the powder supply nozzle may be selected according to the application of the container to be mounted.
【００１８】[0018]
以上に述べたように、本考案に係る粉体供給ノズルによれば、装着された容器 内に処理液のベーパが存在しても、容器外部からの粉体を、内壁面への付着やノ ズル閉塞等を生じさせることなく円滑に通過させて容器内に導入でき、もって、 装着された容器における液と液体と粉体との混合または反応処理を安定したもの とすることができる。 As described above, according to the powder supply nozzle according to the present invention, even if the vapor of the processing liquid is present in the mounted container, the powder from the outside of the container does not adhere to the inner wall surface or the inside of the container. It can be smoothly introduced into the container without causing clogging and the like, and thus the mixing or reaction treatment of the liquid, the liquid and the powder in the mounted container can be stabilized.
【図１】本考案の実施例の粉体供給ノズルを示す図であ
って、 (a)図は正断面図、 (b)図は (a)図のＡ−Ａ断面
図、 (c)図は装着例の説明図である。1A and 1B are views showing a powder supply nozzle according to an embodiment of the present invention, in which FIG. 1A is a front sectional view, FIG. 1B is a sectional view taken along line AA of FIG. 1A, and FIG. [FIG. 3] is an explanatory diagram of an example of mounting.
【符号の説明】 (1) --ノズル本体 (2) --粉体ノズル部 (3) --ガス導入部 (4) --ガスノズル (4a)--ガス吹込溝 (4b)--ガス導入穴 (4c)--横穴 Ｇ --圧ガス供給装置 Ｈ --ホッパ Ｎ --粉体供給ノズル Ｐ --フレキシブル管 Ｖ --攪拌容器[Explanation of symbols] (1) --Nozzle body (2) --Powder nozzle (3) --Gas inlet (4) --Gas nozzle (4a) --Gas inlet groove (4b) --Gas inlet Hole (4c)-Horizontal hole G --Pressurized gas supply device H --Hopper N --Powder supply nozzle P --Flexible pipe V --Stirring container
Claims (1)
いられる容器の上部に装着され、容器外部から供給され
る粉体を容器内に導入する円管状の粉体供給ノズルであ
って、側壁に粉体の導入方向に交差し、かつ内径円に対
して接線をなす方向に貫通させたガス吹込口を設けたこ
とを特徴とする粉体供給ノズル。[Claims for utility model registration] [Claim 1] A cylindrical shape which is mounted on the upper part of a container used for mixing or reacting liquid and powder and which introduces powder supplied from the outside of the container into the container. A powder supply nozzle, characterized in that a gas injection port is provided on a side wall, the gas injection port crossing a powder introduction direction and penetrating in a direction tangential to an inner diameter circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5552691U JPH057342U (en) | 1991-07-17 | 1991-07-17 | Powder supply nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5552691U JPH057342U (en) | 1991-07-17 | 1991-07-17 | Powder supply nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH057342U true JPH057342U (en) | 1993-02-02 |
Family
ID=13001171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5552691U Pending JPH057342U (en) | 1991-07-17 | 1991-07-17 | Powder supply nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5041599U (en) * | 1973-08-11 | 1975-04-26 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147145A (en) * | 1979-05-04 | 1980-11-15 | Agency Of Ind Science & Technol | Method for solid discharge into tank for preparing solid-liquid mixed slurry and device therefor |
| JPH0394936A (en) * | 1989-09-06 | 1991-04-19 | Nkk Corp | Method for expanding uoe steel pipe |
-
1991
- 1991-07-17 JP JP5552691U patent/JPH057342U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147145A (en) * | 1979-05-04 | 1980-11-15 | Agency Of Ind Science & Technol | Method for solid discharge into tank for preparing solid-liquid mixed slurry and device therefor |
| JPH0394936A (en) * | 1989-09-06 | 1991-04-19 | Nkk Corp | Method for expanding uoe steel pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5041599U (en) * | 1973-08-11 | 1975-04-26 |
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