JPS61227105A - Method and apparatus for producing metallic grains - Google Patents
Method and apparatus for producing metallic grainsInfo
- Publication number
- JPS61227105A JPS61227105A JP6616185A JP6616185A JPS61227105A JP S61227105 A JPS61227105 A JP S61227105A JP 6616185 A JP6616185 A JP 6616185A JP 6616185 A JP6616185 A JP 6616185A JP S61227105 A JPS61227105 A JP S61227105A
- Authority
- JP
- Japan
- Prior art keywords
- selenium
- molten
- perforated plate
- metal
- grains
- 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.)
- Granted
Links
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、セレン等の金属粒を溶融金属から製造する方
法および装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method and apparatus for producing metal grains such as selenium from molten metal.
「従来の技術」
乾式複写機用の感光材として多最に使用されるセレンに
は、特に酸素等の不純物が混入していない高純度である
ことに加えて、大きさの揃った粒状であることが要求さ
れる。``Prior art'' Selenium, which is most commonly used as a photosensitive material for dry copying machines, is highly pure and contains no impurities such as oxygen, and is also in the form of uniformly sized particles. This is required.
この種の高純度セレン粒を製造する方法の一例として従
来、特開昭５６−１２９６０４号公報に示す方法が知ら
れている。この公報に示す方法は、溶融炉で溶解したセ
レンを蒸留器に導き、この蒸留器から凝縮器を介して貯
留槽にセレンを導き、貯留槽から溢れた溶融セレンを回
転ドラムに滴下して冷却し、粒状にして回収するもので
ある。またこの公報には、貯留槽の抽出口から液状セレ
ンを抽出すると同時に抽出口の周囲から不活性ガスを噴
射することによって粒状セレンを得る方法も開示されて
いる。As an example of a method for manufacturing this type of high-purity selenium grains, a method disclosed in Japanese Patent Application Laid-Open No. 129604/1984 has been known. The method described in this publication is to introduce selenium melted in a melting furnace into a distiller, lead the selenium from the distiller to a storage tank via a condenser, and drop the molten selenium overflowing from the storage tank onto a rotating drum to cool it. It is collected in granular form. This publication also discloses a method for obtaining granular selenium by extracting liquid selenium from an extraction port of a storage tank and at the same time injecting inert gas from around the extraction port.
「発明が解決しようとする問題点」
前記公報に示された方法のうち、回転ドラムを用いる方
法にあっては、貯留槽から溢れて回転ドラムに滴下する
溶融セレン量の安定化が困難なために、セレン粒の粒径
が一定にならない上に、回転ドラムに溶融セレンカ七落
下するために偏平状のセレン粒が形成されてしまい、球
状のセレン粒を得ることができず、更に装置構成が複雑
になる問題があった。また、不活性ガスを噴射する方法
にあっては、不活性ガスの噴出部の構造が複雑になって
設備コストが上昇し、ひいてはセレン粒がコスト高にな
るとともに、不活性ガスの流速の乱れがそのままセレン
粒径の大小に影響するために、粒径の揃ったセレン粒を
得ることが困難な問題があった。"Problems to be Solved by the Invention" Among the methods disclosed in the above publication, in the method using a rotating drum, it is difficult to stabilize the amount of molten selenium that overflows from the storage tank and drips onto the rotating drum. In addition, the particle size of the selenium grains is not constant, and flat selenium grains are formed due to the molten selenium falling onto the rotating drum, making it impossible to obtain spherical selenium grains. There were complications. In addition, in the method of injecting inert gas, the structure of the inert gas injection part becomes complicated, which increases the equipment cost. directly affects the size of selenium particles, making it difficult to obtain selenium particles of uniform particle size.
「発明の目的」
本発明は、前記事情に鑑みてなされたもので、複雑な操
作を行わなくとも粒径の揃ったセレンやテルル等の金属
粒を得ることができる方法の提供と、構造が簡単で、か
つ、粒径の均一な金属粒を低価格で製造できる装置の提
供を目的とする。``Object of the Invention'' The present invention has been made in view of the above circumstances, and provides a method for obtaining metal particles such as selenium and tellurium with a uniform particle size without performing complicated operations, and a method for obtaining metal particles such as selenium and tellurium with a uniform structure. The purpose of the present invention is to provide a device that is simple and capable of manufacturing metal grains having a uniform grain size at a low cost.
「問題点を解決するための手段」
本発明の方法は、溶融金属を貯留した溶融炉の底部に設
けた取出孔に調整ロッドを遊挿し、この調整ロッドと取
出孔との間の間隙を溶融炉内の溶融金属を凝固させた凝
固金属で塞いでおき、必要に応じて取出孔内の凝固金属
をヒータにより溶融させて前記間隙から溶融金属を目皿
を介して冷却液に落下させて凝固させるものである。"Means for Solving Problems" The method of the present invention involves loosely inserting an adjustment rod into a take-out hole provided at the bottom of a melting furnace in which molten metal is stored, and melting the gap between the adjusting rod and the take-out hole. The molten metal in the furnace is blocked with solidified metal, and if necessary, the solidified metal in the extraction hole is melted by a heater, and the molten metal falls from the gap into the cooling liquid through a perforated plate and solidifies. It is something that makes you
本発明の装置は、溶融金属を貯留する溶融炉と、この溶
融炉の底部に設けられた取出孔の周囲に設けられて取出
孔内の溶融金属の凝固と溶融を制御するヒータと、前記
取出孔に遊挿される調整ロッドと、この調整ロッドを上
下に移動自在に支持する支持部材と、前記取出孔の下に
設置された目皿と、冷却液を満たしてこの目皿の下に設
けられた貯液槽とから構成したものである。The apparatus of the present invention includes a melting furnace for storing molten metal, a heater provided around a take-out hole provided at the bottom of the melting furnace to control solidification and melting of the molten metal in the take-out hole, and a heater for controlling solidification and melting of the molten metal in the take-out hole. An adjustment rod that is loosely inserted into the hole, a support member that supports the adjustment rod so as to be movable up and down, a perforated plate installed under the extraction hole, and a perforated plate filled with cooling liquid and provided under the perforated plate. It consists of a liquid storage tank.
「作用 」
本発明にあっては、取出孔に遊挿した調整ロッドと取出
孔の内周面との間の間隙を塞いだ凝固金属をヒータによ
って溶解するために、この間隙を塞いだ薄い凝固金属は
ヒータの発生させる熱によって速やかに溶融され取出孔
で詰まることなく流出するとともに、狭い間隙からの流
出のために溶融金属の流出量が安定化し、目皿を介して
の冷却液への落下により球状の金属粒が形成される。"Function" In the present invention, in order to melt the solidified metal that has closed the gap between the adjusting rod loosely inserted into the take-out hole and the inner peripheral surface of the take-out hole, a thin solidified metal that has closed this gap is melted by the heater. The metal is quickly melted by the heat generated by the heater and flows out without clogging the extraction hole, and the amount of molten metal flowing out is stabilized because it flows out from the narrow gap, and it falls into the cooling liquid through the perforated plate. spherical metal particles are formed.
「実施例」
第１図ないし第３図は、本発明方法の実施に使用する装
置の一例を示すもので、第１図は溶融金属の貯留状態を
示し、第２図と第３図は金属粒の製造状態を示すための
ものである。``Example'' Figures 1 to 3 show an example of an apparatus used to carry out the method of the present invention. This is to show the manufacturing state of the grains.
第１図に示す１は、内部を真空に保持可能なケーシング
を示し、このケーシング１の中にはコンデンサー４を介
して連結された蒸留炉２と溶融炉３が設けられている。Reference numeral 1 shown in FIG. 1 indicates a casing that can maintain a vacuum inside, and a distillation furnace 2 and a melting furnace 3 connected to each other via a condenser 4 are provided inside the casing 1.
また、前記溶融炉３の底部中央にはケーシング１の底壁
を貫通した筒状の取出部３ａが形成されている。この取
出部３ａの内部には溶融炉３の内部とケーシングＩの外
部に開目する取出孔３ｂが形成され、前記取出部３ａの
外周にはヒータ３ｃが設けられ、取出部３ａの下端には
フランジ部３ｄが形成されている。そして前記取出孔３
ｂの下端の開口部はＯリング４を介して蓋体５によって
閉じられ、取出孔３ｂの中には調整ロッド６が挿入され
ている。この挿入ロッド６は、上部が円錐状をなし、下
部が円柱状をなすもので、セレンの融点より高い融点を
有し、セレンにおかされない金属あるいはセラミックス
等の材料で形成され、下部の直径は前記取出孔３ｂの内
径よりも若干小さく設定され、挿入ロッド６の下部と取
出孔３ｂの内周面との間には間隙が形成されるようにな
っている。Further, a cylindrical take-out portion 3a penetrating the bottom wall of the casing 1 is formed at the center of the bottom of the melting furnace 3. A take-out hole 3b that opens to the inside of the melting furnace 3 and the outside of the casing I is formed inside the take-out part 3a, and a heater 3c is provided on the outer periphery of the take-out part 3a, and at the lower end of the take-out part 3a. A flange portion 3d is formed. and the extraction hole 3
The opening at the lower end of b is closed by a lid 5 via an O-ring 4, and an adjustment rod 6 is inserted into the removal hole 3b. This insertion rod 6 has a conical upper part and a cylindrical lower part, and is made of a material such as metal or ceramics, which has a melting point higher than that of selenium and is not affected by selenium, and the diameter of the lower part is It is set to be slightly smaller than the inner diameter of the extraction hole 3b, so that a gap is formed between the lower part of the insertion rod 6 and the inner peripheral surface of the extraction hole 3b.
第２図と第３図に示す８は、前記ケーシングｌの外に出
された取出部３ａにこの取出部３ａを囲んで接続された
気密ケースを示している。この気密ケース８は吸入口８
ａと排気口８ｂとを有し、内部を不活性ガス雰囲気に保
つことができるようになっていて、気密ケース８の中？
こは、支持部材９と目皿ｌＯと貯液槽１１とが設けられ
ている前記支持部材９は前記挿入ロッド６を載置可能な
受は皿９ａとこの受は皿９ａの側部に取り付けられ気密
ケース８の側部を貫通した支持ロッド９ｂとからなり、
支持ロッド９ｂは気密ケース８の外部からこれを操作し
て受は皿９ａを上下できるように気密ケース８を貫通し
ている。前記目皿ｌＯは底部に所定大の透孔１０ａが多
数形成され、前記取出部３ａの下に設けられたもので、
目皿１０の周囲にはヒータ１０ｂが設けられている。前
記貯液槽１１は前記目皿ｌＯの下に設けられたもので、
水あるいは純水等の冷却液１１ａが満たされている。Reference numeral 8 shown in FIGS. 2 and 3 indicates an airtight case connected to the take-out part 3a taken out from the casing l, surrounding the take-out part 3a. This airtight case 8 has an inlet 8
a and an exhaust port 8b, so that the inside can be maintained in an inert gas atmosphere, and inside the airtight case 8?
Here, the support member 9, which is provided with the support member 9, perforated plate lO, and liquid storage tank 11, has a tray 9a on which the insertion rod 6 can be placed, and this tray is attached to the side of the tray 9a. and a support rod 9b passing through the side of the airtight case 8,
The support rod 9b passes through the airtight case 8 so that the support rod 9b can be operated from the outside of the airtight case 8 to move the tray 9a up and down. The perforated plate IO has a large number of through holes 10a of a predetermined size formed in the bottom thereof, and is provided under the take-out part 3a,
A heater 10b is provided around the perforated plate 10. The liquid storage tank 11 is provided under the perforated plate IO,
It is filled with a cooling liquid 11a such as water or pure water.
次に、前記装置を用いてセレン粒を製造する場合につい
て説明する。Next, a case will be described in which selenium grains are manufactured using the above-mentioned apparatus.
溶融炉３の内部には、蒸留炉２から供給された溶融セレ
ンが貯留されている。この状態では、溶融炉３の底部の
ヒータ３Ｃへの通電は停止しておき、取出部３ａ内の溶
融セレンを凝固させて凝固セレンによって取出部３ａを
閉じておく。Molten selenium supplied from the distillation furnace 2 is stored inside the melting furnace 3. In this state, the power supply to the heater 3C at the bottom of the melting furnace 3 is stopped, the molten selenium in the take-out part 3a is solidified, and the take-out part 3a is closed by the solidified selenium.
この状態から、セレン粒を製造するには、まず、蓋板５
とＯリング６を取り外す。In order to produce selenium grains from this state, first, the lid plate 5
and remove O-ring 6.
この後に、ヒータ３Ｃに通電して取出部３ａの内部の凝
固セレンを溶融する。ここで、取出部３ａ内の凝固セレ
ンは調整ロッド６と取出孔３ｂの内面との間のわずかの
間隙に存在し、薄いために、ヒータ３ｃが発生させる熱
によって速やかに溶融する。この点、調整ロッド６が無
い場合には取出部内の凝固セレンの外周部が溶融した段
階で凝゛固セレンは取出部から塊状となって落下してし
まうことになり、溶融セレンの流出量が不安定になるた
めに好ましくない。凝固セレンの溶融によって調整石ツ
ド６はその自重により取出部３ａから下降して自動的に
受は皿９ａの上に載る。Thereafter, the heater 3C is energized to melt the solidified selenium inside the extraction portion 3a. Here, the solidified selenium in the extraction part 3a exists in a small gap between the adjustment rod 6 and the inner surface of the extraction hole 3b, and because it is thin, it is quickly melted by the heat generated by the heater 3c. In this regard, if the adjustment rod 6 is not provided, the solidified selenium will fall from the extraction part in the form of a lump when the outer periphery of the solidified selenium in the extraction part is melted, and the amount of molten selenium that flows out will be reduced. Undesirable because it causes instability. Due to the melting of the solidified selenium, the adjusting stone head 6 is lowered from the take-out portion 3a by its own weight and the receiver is automatically placed on the tray 9a.
この後に支持ロッド９ｂを操作して若干骨は皿９ａを下
に移動させる。この状態でヒータ３ｃへの通電を続行す
ると、溶融セレンは取出部３ｃの下端から調整ロッド６
の外面を伝わって受は皿９ａに落ちる。この際、溶融セ
レンは調整ロッド６と取出孔３ｂの間の間隙を伝わりつ
つヒータ３Ｃにより過熱されて完全な溶融状態で落下す
るために間隙で詰まることもなく、その落下量は安定す
る。そして、受は皿９ａから溢れ出た溶融セレンが目皿
１０に落下する。After this, the support rod 9b is operated to slightly move the bone plate 9a downward. If the heater 3c continues to be energized in this state, the molten selenium will flow from the lower end of the take-out portion 3c to the adjustment rod 6.
The receiver falls onto the plate 9a along the outer surface of the receiver. At this time, the molten selenium travels through the gap between the adjustment rod 6 and the extraction hole 3b, is overheated by the heater 3C, and falls in a completely molten state, so that the gap is not clogged and the amount of the fall is stable. Then, the molten selenium overflowing from the plate 9a falls onto the perforated plate 10.
目皿１０に落下した溶融セレンは目皿１０の透孔１０ａ
から貯液槽１１の冷却液に落下して球状のセレンとなる
。ここで、目皿ｌＯに落下する溶融セレン量が一定のた
めに、目皿１０の透孔ｌＯａから冷却液１１ａに落下す
る溶融セレン粒の粒径も安定化し、これによって大きさ
の揃ったしかも球状のセレン粒を得ることができるので
ある。The molten selenium that has fallen into the perforated plate 10 flows through the through hole 10a of the perforated plate 10.
The selenium particles fall into the cooling liquid in the liquid storage tank 11 and become spherical selenium. Here, since the amount of molten selenium that falls into the perforated plate lO is constant, the particle size of the molten selenium particles that fall from the through hole lOa of the perforated plate 10 into the cooling liquid 11a is also stabilized, and as a result, the size of the molten selenium particles becomes uniform. This makes it possible to obtain spherical selenium grains.
なお、受は皿９ａから目皿１０に落下させる溶融セレン
の量を大きくするならば、目皿ｌＯから冷却液１１ａに
落下して形成されるセレン粒は大 。Note that if the amount of molten selenium dropped from the plate 9a to the perforated plate 10 is increased, the selenium grains formed by falling from the perforated plate 10 to the cooling liquid 11a will be large.
きくなり、反対に落下セレンの量を少なくすれば、形成
されるセレン粒は小さくなる。したがって、直径の異な
る多種類の調整ロッド６を用意して、調整ロッド６と取
出孔３ｂとの間隔を適宜調整するようにして、要求され
るセレン粒の大きさに合わせた調整ロッド６を使用する
ことによって、種々の大きさのセレン粒を製造できる。On the other hand, if the amount of falling selenium is reduced, the selenium grains formed will become smaller. Therefore, by preparing many types of adjustment rods 6 with different diameters and adjusting the distance between the adjustment rod 6 and the extraction hole 3b as appropriate, the adjustment rod 6 that matches the required size of selenium grains is used. By doing so, selenium grains of various sizes can be produced.
ところで、前記装置は構造的に複雑な部分が無いために
設備コストも安くてすみ、このためにセレン粒のコスト
ダウンもなしうる。また、以上の各工程は全て不活性ガ
ス雰囲気においてなされるために、得られたセレン粒に
酸素等の不純物が混入することも無く、純粋なセレン粒
を製造できる。By the way, since the device has no structurally complicated parts, the equipment cost is low, and therefore the cost of selenium grains can be reduced. In addition, since all of the above steps are performed in an inert gas atmosphere, pure selenium grains can be produced without contaminating the obtained selenium grains with impurities such as oxygen.
なおまた、テルル粒やセレンテルル合金粒を製造する場
合には、溶融炉３に貯留される溶融金属をテルルやセレ
ンテルル合金にすれば良い。更に、調整ロッド６は図に
示した形状に限るものではなく、円筒状でもよい。Furthermore, in the case of manufacturing tellurium grains or selenium-tellurium alloy grains, the molten metal stored in the melting furnace 3 may be tellurium or selenium-tellurium alloy. Further, the shape of the adjustment rod 6 is not limited to that shown in the figure, but may be cylindrical.
「発明の効果」
以上説明したように本発明は、溶融金属を貯留した溶融
炉の底部に設けた取出孔に調整ロッドを遊挿し、この調
整ロッドの周囲を凝固金属で覆って取出孔を塞ぎ、必要
に応じて取出孔内の凝固金属を溶融して取出孔から溶融
金属を目皿を介して冷却液に落下させて金属粒を製造す
るものであり、調整ロッドと取出孔の内周壁の間の間隙
においてヒータによって完全に溶融された溶融金属が流
出 −するために、正確な量の溶融金属を目皿を介して
冷却液に落下させることができ、したがって、粒径の揃
った球状の金属粒を得ることができる。また、取出孔に
挿入した調整ロッドと取出孔の内周面との間の間隙から
溶融金属を流出させるために、ヒータが発生させる熱は
この薄い間隙にある凝固金属を即座に溶融させて目詰ま
りをおこすことなく溶融金属を速やかに流出させて金属
粒を製造できる。``Effects of the Invention'' As explained above, the present invention allows an adjustment rod to be loosely inserted into a take-out hole provided at the bottom of a melting furnace in which molten metal is stored, and a solidified metal surrounding the adjustment rod to close the take-out hole. If necessary, the solidified metal in the extraction hole is melted and the molten metal is dropped from the extraction hole into the cooling liquid through a perforated plate to produce metal particles. Because the molten metal completely melted by the heater flows out in the gap between the holes, a precise amount of molten metal can fall through the perforated plate into the cooling liquid, thus forming spherical particles with uniform particle size. Metal particles can be obtained. In addition, in order to cause the molten metal to flow out from the gap between the adjustment rod inserted into the extraction hole and the inner peripheral surface of the extraction hole, the heat generated by the heater immediately melts the solidified metal in this thin gap. Metal grains can be produced by quickly flowing out molten metal without causing clogging.
また、本発明の装置は、溶融金属を貯留する溶融炉と、
この溶融炉の底部に設けられた取出孔の周囲に設けられ
て取出孔内の溶融金属の凝固と溶融を制御するヒータと
、前記取出孔に遊挿される調整ロッドと、この調整ロッ
ドを上下に移動自在に支持する支持部材と、前記取出孔
の下に設置された目皿と、冷却液を満たしてこの目皿の
下に設けられた貯液槽とからなるために、ヒータにより
取出孔の凝固金属を溶融し、これを目皿を介して冷却液
に落下・させることによって特別な操作を行う事なく、
金属粒を製造することができる。そして、装置全体の構
成も簡単であり、このため設備コストが低下して、ひい
ては得られる金属粒のコストダウンをなしうる。また、
調整ロッドの周囲の凝固金属は薄いためにヒータによっ
て簡単に溶融することができ、溶融金属を速やかに流出
させて目的の金属粒を製造できる。The apparatus of the present invention also includes a melting furnace that stores molten metal;
A heater is provided around the take-out hole provided at the bottom of the melting furnace to control the solidification and melting of the molten metal in the take-out hole, an adjustment rod is inserted loosely into the take-out hole, and the adjustment rod is moved up and down. It consists of a movably supported supporting member, a perforated plate installed under the extraction hole, and a liquid storage tank filled with cooling liquid and provided under the perforated plate. By melting the solidified metal and dropping it into the cooling liquid through a perforated plate, no special operations are required.
Metal grains can be produced. Furthermore, the overall structure of the apparatus is simple, and therefore the equipment cost is reduced, which in turn makes it possible to reduce the cost of the metal particles obtained. Also,
Since the solidified metal around the adjustment rod is thin, it can be easily melted by a heater, and the molten metal can be quickly flowed out to produce the desired metal grains.
第１図ないし第３図は、本発明の一実施例を示すもので
、第１図は溶融金属の貯留状態を示す断面図、第２図は
溶融炉に接続された気密ケースをを示す断面図、第３図
は金属粒の製造状態を示す断面図である。
３・・・・・・溶融炉、 ３ｂ・・・・・・取出
孔。
３ｃ・・・・・・ヒータ。
６・・・・・・調整ロッド、 ９・・・・・・支持部材
。
１０・・・・・・目皿、 １１・・・・・・貯液槽
。
１１ａ・・・・・・冷却液。
第１図Figures 1 to 3 show an embodiment of the present invention, with Figure 1 being a cross-sectional view showing how molten metal is stored, and Figure 2 being a cross-sectional view showing an airtight case connected to a melting furnace. 3 are cross-sectional views showing the manufacturing state of metal grains. 3... Melting furnace, 3b... Taking out hole. 3c... Heater. 6...adjustment rod, 9...support member. 10... Perforated plate, 11... Liquid storage tank. 11a...Cooling liquid. Figure 1
Claims (2)
に調整ロッドを遊挿し、この調整ロッドと取出孔との間
の間隙を溶融炉内の溶融金属を凝固させた凝固金属で塞
いでおき、必要に応じて取出孔内の凝固金属をヒータに
より溶融させ、前記間隙から溶融金属を目皿を介して冷
却液に落下させて凝固させることを特徴とする金属粒の
製造方法。(1) Loosely insert the adjustment rod into the take-out hole provided at the bottom of the melting furnace that stores the molten metal, and close the gap between the adjustment rod and the take-out hole with solidified metal made by solidifying the molten metal in the melting furnace. A method for producing metal grains, which comprises: heating the solidified metal in the extraction hole, if necessary, using a heater to melt the solidified metal, and dropping the molten metal from the gap into a cooling liquid through a perforated plate to solidify it.
と、この溶融炉の取出孔の周囲に設けられて取出孔内の
溶融金属の凝固と溶融を制御するヒータと、前記取出孔
に遊挿される調整ロッドと、この調整ロッドを上下に移
動自在に支持する支持部材と、前記取出孔の下に設置さ
れた目皿と、冷却液を満たしてこの目皿の下に設けられ
た貯液槽とからなることを特徴とする金属粒の製造装置
。(2) a melting furnace having a take-out hole at the bottom and storing molten metal; a heater provided around the take-out hole of the melting furnace to control solidification and melting of the molten metal in the take-out hole; An adjustment rod that is loosely inserted into the hole, a support member that supports the adjustment rod so as to be movable up and down, a perforated plate installed under the extraction hole, and a perforated plate filled with cooling liquid and provided under the perforated plate. 1. An apparatus for producing metal particles, comprising: a liquid storage tank;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6616185A JPS61227105A (en) | 1985-03-29 | 1985-03-29 | Method and apparatus for producing metallic grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6616185A JPS61227105A (en) | 1985-03-29 | 1985-03-29 | Method and apparatus for producing metallic grains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61227105A true JPS61227105A (en) | 1986-10-09 |
| JPH0480963B2 JPH0480963B2 (en) | 1992-12-21 |
Family
ID=13307849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6616185A Granted JPS61227105A (en) | 1985-03-29 | 1985-03-29 | Method and apparatus for producing metallic grains |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61227105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581231U (en) * | 1992-03-31 | 1993-11-05 | 三菱マテリアル株式会社 | Dropper for producing metal shot grains |
-
1985
- 1985-03-29 JP JP6616185A patent/JPS61227105A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581231U (en) * | 1992-03-31 | 1993-11-05 | 三菱マテリアル株式会社 | Dropper for producing metal shot grains |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0480963B2 (en) | 1992-12-21 |
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