JPS643721B2 - - Google Patents
Info
- Publication number
- JPS643721B2 JPS643721B2 JP5175686A JP5175686A JPS643721B2 JP S643721 B2 JPS643721 B2 JP S643721B2 JP 5175686 A JP5175686 A JP 5175686A JP 5175686 A JP5175686 A JP 5175686A JP S643721 B2 JPS643721 B2 JP S643721B2
- Authority
- JP
- Japan
- Prior art keywords
- flexible container
- container bag
- bag
- air cylinder
- solenoid valve
- 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
- 239000000843 powder Substances 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Basic Packing Technique (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
粉粒体の大量輸送・包装コストの軽減等から、
包装形体がクラフト紙袋からフレキシブルコンテ
ナバツグ（以下フレコンバツグと略称する）に変
更されつつある。[Detailed description of the invention] [Industrial application field] From the reduction of mass transportation and packaging costs of powder and granular materials,
The packaging form is being changed from kraft paper bags to flexible container bags (hereinafter abbreviated as flexible container bags).
本発明は、このフレコンバツグに粉粒体を充填
する装置に関する。 The present invention relates to an apparatus for filling this flexible container bag with powder or granular material.
現在はフレコンバツグ吊機構を手動または自動
巻上げ装置で昇降させ、下限位置でフレコンバツ
グを取付け、上限位置に引上げて内容物を充填す
るものである。
Currently, the flexible container bag lifting mechanism is raised and lowered manually or by an automatic hoisting device, the flexible container bag is attached at the lower limit position, and the bag is pulled up to the upper limit position and filled with contents.
しかし、フレキシブルで空袋の形態が紙袋と異
なり整形されないフレコンバツグは、下部から整
形しながら順次に充填していくことを必要とする
ため、前記従来の装置は適当でない。
However, the conventional apparatus is not suitable for flexible container bags, which are flexible and cannot be shaped unlike paper bags, because they need to be filled sequentially while being shaped from the bottom.
本発明は、フレコンバツグの上記フレキシブル
な特性を利用して下部から自動整形しながら確実
に充填する合理的な充填装置を提供するものであ
る。 The present invention provides a rational filling device that utilizes the above-mentioned flexible characteristics of flexible container bags to reliably fill the bags while automatically shaping them from the bottom.
本発明は、供給シユートの排出口に対し上下動
可能に連通する取付部を昇降させるエアシリン
ダ、その取付部を、床台上に置かれたフレキシブ
ルコンテナバツグの投入口の取付け可能な位置ま
で下降させるために、該エアシリンダに送気する
下降用電磁弁、該取付部に取付けられたフレキシ
ブルコンテナバツグの底が床台から離れた設定高
さまで、該取付部を上昇させるためにエアシリン
ダに送気する電磁弁、上昇して宙吊り状態にある
フレキシブルコンテナバツグに粉粒体を供給しそ
の充填荷重でエアシリンダのピストンロツドが下
降し、エアシリンダ内の圧力が設定値より大にな
ると開放してピストンロツドをフレキシブルコン
テナバツグの底が床台に着くまで下降させる上記
上昇用電磁弁の排気口に接続したリリーフバル
ブ、からなるものである。
The present invention provides an air cylinder that raises and lowers a mounting part that vertically communicates with the outlet of a supply chute, and lowers the mounting part to a position where it can be attached to the input port of a flexible container bag placed on a floor stand. A lowering solenoid valve sends air to the air cylinder in order to raise the mounting part, and a lowering solenoid valve sends air to the air cylinder to raise the mounting part until the bottom of the flexible container bag attached to the mounting part is separated from the floor. The solenoid valve raises and supplies powder to the suspended flexible container bag, and the filling load causes the piston rod of the air cylinder to descend.When the pressure inside the air cylinder becomes greater than the set value, it opens and releases the piston rod. and a relief valve connected to the exhaust port of the lifting solenoid valve that lowers the flexible container bag until the bottom reaches the floor.
エアシリンダで下降させた取付部に、不規則折
畳み状に床台上に置かれたフレコンバツグの投入
口を取付かた後、フレコンバツグをその底が床台
から離れた高さ位置までエアシリンダで引上げ
る。
After attaching the inlet of the flexible container bag placed on the floor stand in an irregularly folded manner to the attachment part lowered with an air cylinder, pull the flexible container bag with the air cylinder until the bottom is at a height away from the floor stand. increase.
その宙吊り状態に於いて粉粒体を供給すると、
その荷重はピストンロツドを引下げるように作用
し、ロツド側のエアシリンダ内の圧力がリリーフ
バルブの設定値より大になるとリリーフバルブが
開放となり、ピストンロツドが下りフレコンバツ
グの底が床台に着き、シリンダ内圧が上記設定値
以下になるとリリーフバルブが閉じる。 When powder and granules are supplied in the suspended state,
The load acts to pull down the piston rod, and when the pressure inside the air cylinder on the rod side becomes higher than the set value of the relief valve, the relief valve opens, the piston rod descends, and the bottom of the flexible container bag touches the floor, causing the cylinder internal pressure to drop. When becomes less than the above set value, the relief valve closes.
更に粉粒体が供給されると内容物は周囲に広が
り、底が床台に着いているフレコンバツグの側壁
を押し広げながら充填し、その押し広がり分だけ
フレコンバツグの高さが低くなり、その分ピスト
ンロツドを引下げ、前記内圧が設定値になるとリ
リーフバルブが作用する動作を繰返し、フレコン
バツグを下部から自動整形しながら充填する。 When the powder and granules are further supplied, the contents spread around the bag, pushing out the side walls of the flexible container bag whose bottom is on the floor stand, and the height of the flexible container bag is lowered by the amount of spreading, and the piston rod is lowered, and when the internal pressure reaches the set value, the relief valve acts repeatedly, and the flexible container bag is filled from the bottom while being automatically shaped.
以下図面に示す実施例について具体的に説明す
る。
The embodiments shown in the drawings will be described in detail below.
なお一般にフレコンバツグへの充填には、一定
重量の粉粒体を充填する故秤量機を必要とし、そ
の計量方式として充填機の上部に設けられたホツ
パースケールで計量した物を投入する方式と、床
上の秤に充填機を取付けこれに供給しながら計量
充填する方式の２方式がとられているが、ここで
は計量方式の説明は省略する。 Generally, filling a flexible container bag requires a weighing machine that fills a certain weight of powder or granular material, and the weighing method is to use a hopper scale installed at the top of the filling machine to put the weighed material into the bag. Two methods have been adopted: a filling machine is attached to a scale on the floor and the filling is measured and filled while being supplied to the scale; however, the explanation of the measuring method will be omitted here.
第１図に於いて、１は粉粒体供給シユートでそ
の下部排出口にフレコンバツグ取付部２が上記排
出口に対し上下動可能に、例えば図示の伸縮可撓
管１―１を介して取付けられている。 In FIG. 1, reference numeral 1 denotes a powder supply chute, and a flexible container bag attachment part 2 is attached to the lower discharge port of the chute so as to be movable up and down with respect to the discharge port, for example, via the telescopic flexible tube 1-1 shown in the figure. ing.
この取付部２は図示例に限定されないが、図の
気密継手機構は、第２図に示す様に、金属筒２―
１の外側にゴム筒２―２を重ね、上下をバンド２
―３で固定する。金属筒２―１の上部にはエア吹
込用ノズル２―４を設け、金属筒２―１の内側に
はノズル２―４から吹込まれたエアを金属筒２―
１とゴム筒２―２の間に導く導通部２―５と小孔
２―６が設けられている。 Although the mounting portion 2 is not limited to the illustrated example, the airtight joint mechanism shown in the figure has a metal tube 2-
Rubber tube 2-2 is stacked on the outside of 1, and band 2 is placed on the top and bottom.
- Fixed at 3. An air blowing nozzle 2-4 is provided at the top of the metal tube 2-1, and the air blown from the nozzle 2-4 is sent to the inside of the metal tube 2-1.
A conductive portion 2-5 and a small hole 2-6 are provided between the rubber tube 1 and the rubber tube 2-2.
今一定圧の圧縮エアをノズル２―４から吹込む
と、エアはゴム筒２―２を膨張させる。これにフ
レコンバツグ３の投入口４をセツトすると、ゴム
筒２―２はその投入口４の内側に気密に密着し、
バツグ内で発生した塵の投入口４からの飛散を防
止する。 When compressed air at a constant pressure is now blown from the nozzle 2-4, the air expands the rubber tube 2-2. When the input port 4 of the flexible container bag 3 is set in this, the rubber cylinder 2-2 is airtightly attached to the inside of the input port 4.
To prevent dust generated in a bag from scattering from an input port 4.
取付部２にはフレコンバツグ３の肩吊りリング
６が固定され、４個所又は６個所で肩吊り紐５を
懸架している。 A shoulder hanging ring 6 for a flexible container bag 3 is fixed to the attachment part 2, and shoulder hanging strings 5 are suspended at four or six positions.
シユート１にはエアシリンダ７が取付けられ、
そのロツド８に上記の肩吊りリング６が連結され
ており、ロツド８の突出した状態（第３図１）で
取付部２は下り、ロツド８が引込む（第３図２）
と、肩吊りリング６を介して取付部２を引上げ
る。 An air cylinder 7 is attached to the chute 1,
The shoulder suspension ring 6 mentioned above is connected to the rod 8, and when the rod 8 is protruded (Fig. 3 1), the mounting part 2 is lowered and the rod 8 is retracted (Fig. 3 2).
and pull up the attachment part 2 via the shoulder suspension ring 6.
ここで、エアシリンダ７のエア配管を説明す
る。 Here, the air piping of the air cylinder 7 will be explained.
第３図１はロツド８が下降位置にある状態を示
すもので、下降用の３ポートシングルソレノイド
電磁弁９のオンでそのポートC1・Ｓを通じ、エ
アシリンダ７のヘツド側は空気源に連結され、圧
力PSの空気が送入される。そのとき上記弁９と同
じ構成の上昇用電磁弁１０のオフで、そのポート
C2・Ｅを通じリリーフバルブ１１を介し、エア
シリンダのロツド側の排気は大気中に排出され
る。 Fig. 3 1 shows the rod 8 in the lowered position, and when the lowering 3-port single solenoid solenoid valve 9 is turned on, the head side of the air cylinder 7 is connected to the air source through its ports C1 and S. and air at pressure P S is supplied. At that time, when the lift solenoid valve 10, which has the same configuration as the valve 9, is turned off, the port
The exhaust gas from the rod side of the air cylinder is discharged into the atmosphere through C2 and E and the relief valve 11.
ロツド８を引上げる時は、上記と逆に電磁弁９
がオフ、電磁弁１０がオンに切換わり第３図２の
ようにエアシリンダのヘツド側の排気は電磁弁９
のポートC2・Ｅにより大気中に抜け、空気源か
ら電磁弁１０のポートＳ・C1を通じ、ロツド側
に圧力PSの空気が送入され、エアシリンダの上限
位置まで上昇し上限リミツトスイツチを作動させ
る。 When pulling up rod 8, reverse the above and use solenoid valve 9.
is turned off, solenoid valve 10 is turned on, and the exhaust from the head side of the air cylinder is switched to solenoid valve 9 as shown in Figure 3.
Air is released to the atmosphere through ports C2 and E of the solenoid valve 10, and air at pressure P S is fed from the air source to the rod side through ports S and C1 of the solenoid valve 10, rising to the upper limit position of the air cylinder and turning on the upper limit switch. Activate.
上記のリリーフバルブ１１の設定圧力PR・空
気源圧力PS、バツグ３を含む吊下げられた自重
w0の三者はw0＜PR＜PSの関係にあるもので、こ
の事はフレコンバツグ３を常に一定の力PRで上
に引上げていることになる。 The set pressure P R of the relief valve 11 mentioned above, the air source pressure P S , and the suspended dead weight including the bag 3
The three parties w 0 are in the relationship w 0 <P R <P S , which means that the flexible container bag 3 is always pulled upward with a constant force PR .
この様な構造で充填の作業手順を説明する。 The filling procedure will be explained using this structure.
作業開始信号で電磁弁９がオンになると、ロツ
ド８は第３図１のように下に突出して吊りリング
６・取付部２は下降する（第４図）。床台Ｆに折
畳みのまま置かれたフレコンバツグ３の投入口４
を取付部２に差し込み、圧縮エアによりゴム筒２
―２を膨張させ投入口４に密着させる。肩吊り紐
５にフレコンバツグ３の上部肩を懸架する。 When the solenoid valve 9 is turned on by a work start signal, the rod 8 protrudes downward as shown in FIG. 3, and the hanging ring 6 and mounting portion 2 descend (FIG. 4). Inlet 4 for flexible container bag 3 placed folded on floor stand F
Insert the tube into the mounting part 2, and use compressed air to close the rubber tube 2.
-2 is expanded and brought into close contact with the input port 4. The upper shoulder of the flexible container bag 3 is suspended on the shoulder suspension string 5.
一定時間後自動的又は押釦（図示されていな
い）により第３図２のように電磁弁９がオフ、電
磁弁１０がオンになり、フレコンバツグ３をその
底が床台Ｆから離れる高さまで第５図のように引
上げ、上限リミツトスイツチ（図示されない）
で、供給準備完了信号を出す。 After a certain period of time, the solenoid valve 9 is turned off and the solenoid valve 10 is turned on, either automatically or by a push button (not shown) as shown in FIG. Pull up as shown, upper limit switch (not shown)
, outputs a supply ready signal.
この信号で、電磁弁１０もオフになり（第３図
３）、PS＞PRの差分だけリリーフバルブからリー
クして内圧はPRとなり、上部から粉粒体が供給
される。粉粒体がフレコンバツグ３に入ると、そ
の充填量の重さｗにより肩吊り紐５を介してロツ
ド８を引下げる様に力（w0＋ｗ）が作用する
（第３図４）。それに伴いエアシリンダ７内の圧力
が上昇し、リリーフバルブ１１の設定値PR（＝w0
＋ｗ）より大になると、リリーフバルブ１１が開
放となり、ロツド８が下にさがりフレコンバツグ
３の底が床に着くと（第６図）、ロツド８が下に
引下げる力が弱くなるのでリリーフバルブ１１は
閉じ一旦ここで停止する。このとき内圧はPRで
ある。 In response to this signal, the solenoid valve 10 is also turned off (Fig. 3), and the relief valve leaks by the difference P S > P R , the internal pressure becomes P R , and the powder is supplied from the upper part. When the granular material enters the flexible container bag 3, a force (w 0 +w) acts to pull down the rod 8 via the shoulder strap 5 due to the weight w of the filled amount (FIG. 3, 4). Along with this, the pressure inside the air cylinder 7 increases, and the set value of the relief valve 11 P R (=w 0
+w), the relief valve 11 opens, and when the rod 8 goes down and the bottom of the flexible container bag 3 touches the floor (Fig. 6), the downward force of the rod 8 becomes weaker, so the relief valve 11 opens. closes and stops here. At this time, the internal pressure is PR .
引続き粉粒体が供給されると、内容物は周囲に
広がりフレコンバツグ３の側壁を押し広げフレキ
シブルなフレコンバツグ３を第６図のように自動
整形しながら下部から完全に充填されていく。 When the powder and granular material is subsequently supplied, the contents spread around and push the side walls of the flexible container bag 3, and the flexible flexible container bag 3 is automatically shaped as shown in FIG. 6, and is completely filled from the bottom.
フレコンバツグ３は広がるとその分高さが低く
なつて粉粒体を受入れ、その分だけロツド８を引
下げる。そしてシリンダ内圧が設定値PRを越す
と、上記のようにリリーフバルブ１１が作用す
る。 As the flexible container bag 3 expands, its height decreases to accommodate the powder and granules, and the rod 8 is lowered by that amount. When the cylinder internal pressure exceeds the set value PR , the relief valve 11 is activated as described above.
この様にして、フレコンバツグ３を常に一定の
力PRで上に引上げながら充填量に従つて下がり、
充填量ｗ毎に作動するので、肩吊りリング６や取
付部等の支持部に異常な力を及ぼすことなく、又
フレコンバツグにしわが寄つたり倒れたりするこ
となく完全に整形して充填される。 In this way, the flexible container bag 3 is always pulled up with a constant force P R and lowered according to the filling amount.
Since the operation is performed for each filling amount w, the flexible container bag is completely shaped and filled without applying any abnormal force to the supporting parts such as the shoulder hanging ring 6 or the attachment part, and without causing the flexible container bag to wrinkle or fall down.
充填が完了したなら肩吊り紐５を外し、完了押
釦（図示されていない）を押すと、取付部２のエ
アが放出されて投入口４と取付部２がルーズにな
り、更に電磁弁１０がオンになつてリング６・取
付部２を上方に引上げ、投入口４から抜き出す。 When filling is completed, remove the shoulder strap 5 and press the completion push button (not shown). The air in the attachment part 2 will be released, the inlet 4 and the attachment part 2 will become loose, and the solenoid valve 10 will open. When the ring 6 is turned on, the ring 6 and the mounting part 2 are pulled up and taken out from the slot 4.
投入口４を締めて作業が終了し充填済フレコン
バツグを搬出する。 The work is completed by closing the input port 4, and the filled flexible container bag is carried out.
この作業を秤量機と連動させると、充填完了信
号を秤量機から発信出来、手動による完了押釦は
不要になる。 If this operation is linked with a weighing machine, a filling completion signal can be sent from the weighing machine, making it unnecessary to press the completion button manually.
上記手順のシーケンス制御のためのリミツトス
イツチと電磁弁等の関係電気回路は周知の制御回
路で得られるので、省略した。 Related electric circuits such as limit switches and solenoid valves for sequence control of the above procedure are omitted because they can be obtained using well-known control circuits.
なおフレコンバツグ取付法は必ずしも例示のエ
アタイトナによる必要はないが、この例によると
全く発塵がなく作業性もよい。 Although the method of attaching the flexible container bag does not necessarily have to be by using the illustrated air tightener, this example does not generate any dust and has good workability.
上記のように、フレコンバツグへの粉粒体の充
填が、全くの軽作業で途中前記従来装置のように
手を加えることなく、自動的にフレキシブルなコ
ンテナバツグを自動整形しながら、下部から順次
に確実に行われるものである。
As mentioned above, filling the flexible container bag with powder and granules is a completely light work, and without any manual intervention like in the conventional device, the flexible container bag is automatically shaped and sequentially starting from the bottom. This will definitely be done.
第１図は本発明装置の略図、第２図はそのフレ
コンバツグ取付部の具体例の縦断面図、第３図１
〜４はフレコンバツグを上下動させるエアシリン
ダと電磁弁の配管図、第４図はフレコンバツグ投
入口を取付部に取付けるときの図、第５図はフレ
コンバツグを宙吊りした状態図、第６図は供給充
填時の説明図。
１…シユート、２…フレコンバツグ３の投入口
取付部、６…フレコンバツグの肩吊りリング、７
…エアシリンダ、８…ロツド、９，１０…電磁
弁、１１…リリーフバルブ。
Figure 1 is a schematic diagram of the device of the present invention, Figure 2 is a vertical sectional view of a specific example of the flexible container bag attachment part, and Figure 3.
~4 is a piping diagram of the air cylinder and solenoid valve that moves the flexible container bag up and down, Figure 4 is a diagram when the flexible container bag input port is attached to the mounting part, Figure 5 is a diagram of the flexible container bag suspended in the air, and Figure 6 is the supply and filling. An explanatory diagram of time. 1... Chute, 2... Inlet mounting part of flexible container bag 3, 6... Shoulder hanging ring of flexible container bag, 7
...Air cylinder, 8...Rod, 9,10...Solenoid valve, 11...Relief valve.
Claims (1)
通する取付部を昇降させるエアシリンダ、 その取付部を、床台上に置かれたフレキシブル
コンテナバツグの投入口の取付け可能な位置まで
下降させるために、該エアシリンダに送気する下
降用電磁弁、 該取付部に取付けられたフレキシブルコンテナ
バツグの底が床台から離れた設定高さまで、該取
付部を上昇させるためにエアシリンダに送気する
電磁弁、 上昇して宙吊り状態にあるフレキシブルコンテ
ナバツグに粉粒体を供給しその充填荷重でエアシ
リンダのピストンロツドが下降し、エアシリンダ
内の圧力が設定値より大になると開放してピスト
ンロツドをフレキシブルコンテナバツグの底が床
台に着くまで下降させる上記上昇用電磁弁の排気
口に接続したリリーフバルブ、 からなり、引続く粉粒体の供給で内容物は周囲
に広がつて該バツグの側壁を押し広げてフレキシ
ブルコンテナバツグを形成しながら充填し、その
押し広がり分だけフレキシブルコンテナバツグの
高さが低くなり、その分だけピストンロツドが下
降し、シリンダ内圧が前記の設定値になると再び
リリーフバルブが作用する動作を繰返し、フレキ
シブルコンテナバツグを下部から自動整形しなが
ら充填するように構成したことを特徴とするフレ
キシブルコンテナバツグ充填装置。[Scope of Claims] 1. An air cylinder that raises and lowers a mounting part that communicates with the outlet of a supply chute so as to be able to move up and down; a lowering solenoid valve that sends air to the air cylinder in order to lower the bag to the position; The solenoid valve that supplies air to the cylinder rises and supplies powder to the suspended flexible container bag, and the piston rod of the air cylinder descends due to the filling load. When the pressure inside the air cylinder becomes higher than the set value, it opens. and a relief valve connected to the exhaust port of the above-mentioned lifting solenoid valve, which lowers the piston rod until the bottom of the flexible container bag touches the floor, and with the subsequent supply of powder and granules, the contents spread to the surrounding area. The side walls of the bag are pushed out to form a flexible container bag while being filled, and the height of the flexible container bag is lowered by the amount of spread, the piston rod is lowered by that amount, and the cylinder internal pressure reaches the set value. A flexible container bag filling device characterized in that it is configured to repeat the action of the relief valve again and fill the flexible container bag while automatically shaping it from the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5175686A JPS62220401A (en) | 1986-03-10 | 1986-03-10 | Method of filling flexible container bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5175686A JPS62220401A (en) | 1986-03-10 | 1986-03-10 | Method of filling flexible container bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62220401A JPS62220401A (en) | 1987-09-28 |
| JPS643721B2 true JPS643721B2 (en) | 1989-01-23 |
Family
ID=12895781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5175686A Granted JPS62220401A (en) | 1986-03-10 | 1986-03-10 | Method of filling flexible container bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62220401A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2773405B2 (en) * | 1990-08-10 | 1998-07-09 | 宇部興産株式会社 | Automatic bulk filling equipment |
| JP4754977B2 (en) * | 2006-02-03 | 2011-08-24 | 株式会社ピーエス三菱 | Bagging dehydration method and equipment |
| AU2020284165B2 (en) * | 2019-05-31 | 2026-03-12 | BFM Technology Limited | A bag loading nozzle |
-
1986
- 1986-03-10 JP JP5175686A patent/JPS62220401A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62220401A (en) | 1987-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |