JP2538833B2 - Inner bag fitting device for dumbole case packaging - Google Patents
Inner bag fitting device for dumbole case packagingInfo
- Publication number
- JP2538833B2 JP2538833B2 JP5270030A JP27003093A JP2538833B2 JP 2538833 B2 JP2538833 B2 JP 2538833B2 JP 5270030 A JP5270030 A JP 5270030A JP 27003093 A JP27003093 A JP 27003093A JP 2538833 B2 JP2538833 B2 JP 2538833B2
- Authority
- JP
- Japan
- Prior art keywords
- bag
- inner bag
- bag mouth
- fitting device
- cardboard case
- 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 - Lifetime
Links
Landscapes
- Supplying Of Containers To The Packaging Station (AREA)
- Making Paper Articles (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ダンボールケース包
装の内袋嵌込装置に関し、製品、物品等の被包装物をビ
ニール袋やポリ袋等で内袋包装した状態でダンボールケ
ース内に包装するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cardboard case packing inner bag fitting device, in which articles to be packaged such as products and articles are packaged in a cardboard case in a plastic bag or a plastic bag. It is a thing.
【０００２】[0002]
【従来の技術、及び発明が解決しようとする課題】ダン
ボールケース包装を行なう形態として、予めダンボール
ケース内に内袋を嵌合させてから製品を入れて包装する
と、自動包装化として高能率を上げることができる。し
かしながら、この内袋のダンボールケースへの嵌合を正
確に行なわせる必要がある。2. Description of the Related Art As a form of packaging a cardboard case, if an inner bag is fitted in the cardboard case in advance and the product is put in the package, the efficiency is improved as automatic packaging. be able to. However, it is necessary to accurately fit the inner bag into the cardboard case.
【０００３】従来は、内袋の袋口部を吸引風圧を利用し
た吸着パットを用いて開口保持する形態があるが、内袋
へ袋嵌込器を差し込むときこの袋口部の挾持が不確実で
あるときは、内袋の正確なダンボールケース内への嵌合
ができない。又、内袋のダンボールケース内への嵌合が
不確実であると、袋口部のダンボールケース開蓋部への
折返し被嵌が円滑に行なわれがたい。Conventionally, there is a form in which the bag mouth of the inner bag is held open by using a suction pad utilizing the suction air pressure. However, when the bag inserting device is inserted into the inner bag, the holding of the bag mouth is uncertain. When it is, the inner bag cannot be accurately fitted into the cardboard case. Further, if the inner bag is uncertainly fitted in the cardboard case, it is difficult to smoothly fit the bag mouth portion back into the cardboard case lid.
【０００４】[0004]
【課題を解決するための手段】この発明は、袋口部１を
内外から挾持して内袋２を開口保持する挾持器３と、こ
の内袋２の内側に差込んでこの内袋２をダンボールケー
ス４内へ押込嵌合する袋嵌込器５と、この袋嵌込器５の
四隅部にあって二又状に形成され外周方向と押込方向へ
作動して該袋口部１の内周部を受けて該袋嵌込器５の押
込行程部では開蓋部６の外周へ拡張して押込作動するこ
とにより各四隅部を両側面部に亘って挾み付けるように
して袋口部１を開蓋部６の外周に被嵌する袋口折返片７
とからなるダンボールケース包装の内袋嵌込装置の構成
とする。According to the present invention, a holding device 3 which holds an inner bag 2 by holding the bag mouth portion 1 from inside and outside, and an inner bag 2 which is inserted into the inner bag 2 to hold the inner bag 2 therein. A bag fitting device 5 that is press-fitted into the cardboard case 4, and is formed in a bifurcated shape at the four corners of the bag fitting device 5 and operates in the outer peripheral direction and the pressing direction so that the inside of the bag mouth part 1 In the pushing stroke portion of the bag fitting device 5 which receives the peripheral portion, it is expanded to the outer periphery of the opening lid portion 6 to perform the pushing operation so that the four corner portions are pinched over the both side surface portions and the bag mouth portion 1 The bag mouth return piece 7 that fits around the outer periphery of the lid 6
And an inner bag fitting device for a cardboard case package.
【０００５】[0005]
【作用、及び発明の効果】内袋２は挾持器３によって袋
口部１を内側と外側とから挾持して開口され保持され
る。この内袋２が袋嵌込器５に対向する位置にくると袋
口部１内に袋嵌込器５が差し込まれる。この袋嵌込器５
の差し込みによって内袋２が開蓋部６の開かれたダンボ
ールケース４内に押込嵌合される。The inner bag 2 is held and held by the holding device 3 by holding the bag mouth portion 1 from inside and outside. When the inner bag 2 comes to a position facing the bag inserting device 5, the bag inserting device 5 is inserted into the bag mouth 1. This bag inserter 5
The inner bag 2 is pushed and fitted into the cardboard case 4 in which the lid 6 is opened.
【０００６】該挾持器３はこの袋嵌込器５が内袋２内に
差し込まれたとき挾持を開放される。又、各袋口折返片
７は袋嵌込器５と共に内袋２の袋口部１の内周部及び開
蓋部６の内側対向域に位置される。[0006] When the bag fitting device 5 is inserted into the inner bag 2, the holding device 3 is released. Further, the bag mouth folding pieces 7 are located in the inner peripheral portion of the bag mouth portion 1 of the inner bag 2 and the inner facing area of the opening cover portion 6 together with the bag fitting device 5.
【０００７】袋嵌込器５が内袋２をダンボールケース４
内に押込嵌合し、この押込嵌合の途中乃至終端部で該各
袋口折返片７が内袋２を内側から開蓋部６の開口外側域
に拡張して押込作動することによって、ダンボールケー
ス４の内部に嵌合された内袋２の袋口部１が、この二又
状の袋口折返片７によって四隅部を両側面部に亘って挾
み付けるようにして開蓋部６の外側に押し込まれて、開
蓋部６の外周面に被嵌される。A bag inserter 5 inserts the inner bag 2 into a cardboard case 4
Push fitted within, by pushing operation to expand the opening outside region of the open lid portion 6 inner bag 2 is respective bag mouth folding Kaehen 7 from the inside in the middle or end of the push fit, cardboard The bag mouth portion 1 of the inner bag 2 fitted inside the case 4 is sandwiched between the two corners by the bifurcated bag mouth folding piece 7, and the outside of the lid 6 is opened. And is fitted onto the outer peripheral surface of the opening cover 6.
【０００８】このように、内袋２の袋口部１は挾持器３
によって挾持されているために、袋口部１の開口と袋保
持が外れがたく、従って袋嵌込器５及び袋口折返片７の
内袋２内への差込が正確に行なわれ、袋口折返片７に対
する袋口部１の位置が一定して、二又状の袋口折返片７
により袋口部１を各隅部を中心にして開蓋部６の左右両
側面に挾み付けるようにして外周面への折返しを正確に
行なわせることができる。As described above, the bag mouth portion 1 of the inner bag 2 has the holder 3
Since it is held by the bag, the opening of the bag mouth portion 1 and the bag holding are hard to come off, so that the bag inserting device 5 and the bag mouth folding piece 7 are accurately inserted into the inner bag 2, The position of the bag mouth portion 1 with respect to the mouth return piece 7 is constant, and the bag mouth return piece 7 has a bifurcated shape.
Thus, the bag mouth portion 1 can be accurately folded back to the outer peripheral surface by sandwiching the bag mouth portion 1 on both left and right side surfaces of the opening lid portion 6 around each corner.
【０００９】又、袋嵌込器５が内袋２をダンボールケー
ス４内に嵌合してから、四隅部の袋口折返片７を外側に
開いて袋口部１を開蓋部６の外側へ位置させると共に、
この袋口折返片７の押込作動によって袋口部１の隅部の
位置決めと四方への開口とで、この袋口部１を開蓋部６
に被嵌させる一連の作動が円滑に行なわれ、作業能率を
高めることができる。Further, after the bag inserter 5 fits the inner bag 2 into the cardboard case 4, the bag mouth return pieces 7 at the four corners are opened to the outside to open the bag mouth 1 to the outside of the lid 6. And position
When the bag mouth folding piece 7 is pushed in, the bag mouth portion 1 is positioned by the corners of the bag mouth portion 1 and opened in four directions.
A series of operations to be fitted on the can be smoothly performed, and the work efficiency can be improved.
【００１０】[0010]
【実施例】図例において、この内袋嵌込装置は、ビニー
ルシート筒１から内袋２を製袋する製袋装置８と、この
製袋装置８で袋口部１を挾持器３で挾持した内袋２を移
動するキャリッジ９と、ダンボールケース４を移動する
コンベア１０と、該内袋２をダンボールケース４に押込
嵌合する内袋嵌込装置１１と等によって構成される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated example, this inner bag fitting device is a bag making device 8 for making an inner bag 2 from a vinyl sheet cylinder 1, and a bag mouth 1 of the bag making device 8 is held by a holder 3 A carriage 9 for moving the inner bag 2, a conveyor 10 for moving the cardboard case 4, an inner bag fitting device 11 for pushing the inner bag 2 into the cardboard case 4, and the like.
【００１１】製袋装置８は、ビニールシートを筒状に形
成したビニール筒１２を、ロール巻きにした状態で支持
する繰出リール１３から引出させて、一定の内袋２を製
袋するもので、挾持器３で引出されるビニール筒１２の
引出口の四隅部を挾持して、このビニール筒１２の引出
口内部に拡筒体１４を位置させると共に、この拡筒体１
４を受ける案内ロール１５との間にビニール筒１２を引
出しながら、一定長さ毎に電熱溶着器１６で溶着し底部
を形成して、切断して有底の内袋２を成形する。２３は
案内ロール、２４はブレーキ、２５は基台である。The bag-making device 8 supports a vinyl cylinder 12 in which a vinyl sheet is formed into a cylindrical shape in a rolled state .
The inner bag 2 is made into a bag by pulling it out from the feeding reel 13, and the four corners of the outlet of the vinyl cylinder 12 that is pulled out by the holder 3 are held, and the inside of the outlet of this vinyl cylinder 12 is held. The expanded cylinder body 14 is located in the
While pulling out the vinyl cylinder 12 between the guide roll 15 and the guide roll 15 for receiving 4, the electrothermal welder 16 welds it at a constant length to form a bottom portion, which is cut to form the bottomed inner bag 2. Reference numeral 23 is a guide roll, 24 is a brake, and 25 is a base.
【００１２】この内袋２は挾持器３で挾持された状態で
キャリッジ９によって側部のコンベア１０上方へ移動す
る。コンベア１０ではダンボールケース４を開蓋部６を
開いた状態で直下に移送し、上側には袋嵌込器５が待機
している。The inner bag 2 is moved above the conveyor 10 on the side by the carriage 9 while being held by the holding device 3. On the conveyor 10, the cardboard case 4 is transferred to a position directly below with the lid 6 opened, and the bag fitting device 5 is on standby on the upper side.
【００１３】キャリッジ９は、機枠に対して昇降及び横
方向へ移動されるもので、袋口部１の四隅部を挾持する
各挾持器３を有し、製袋時には上方Ｙへ移動して袋口部
を挾持したビニール筒１２を上方へ引出させる。又内袋
嵌込行程では横方向Ｘへ移動させる。この横方向Ｘの移
動では、製袋の内袋部の幅をダンボールケース４の開蓋
部６に適合するように拡口するよう各挾持器３の間隔を
拡張する間隔調節機構（図面省略）を有する。なお、キ
ャリッジ９はＹ方向用からＸ方向用へ持ち替えて移動す
るとより能率的な製袋供給ができる。The carriage 9 is moved up and down and moved laterally with respect to the machine frame, and has each holding device 3 for holding the four corners of the bag mouth portion 1, and moves upward Y during bag making. The vinyl cylinder 12 holding the bag mouth part is pulled out upward. Also, in the inner bag fitting process, it is moved in the lateral direction X. In this movement in the lateral direction X, a gap adjusting mechanism (not shown) that expands the gap between the holding devices 3 so as to widen the width of the inner bag portion of the bag making so as to fit the opening 6 of the cardboard case 4. Have. If the carriage 9 is moved from the Y direction to the X direction, the bag can be supplied more efficiently.
【００１４】挾持器３で開口保持された内袋２が袋嵌込
器５の直下にくると、この袋嵌込器５が下降して内側に
閉縮している袋口折返片７と共に内袋２内に差し込まれ
る。このとき内袋２の袋口部１が内側と外側部とから電
磁的に作動される挾持器３によって挾持されているた
め、この挾持器３によってダンボールケース４の形態に
応ずるように開口されても、各挾持器３から袋口部１が
外れることがなく、正確に開口保持される。このため袋
口部１内への袋嵌込器５や袋口折返片７等の差込嵌合が
円滑に行なわれる。When the inner bag 2 opened and held by the holding device 3 comes directly under the bag fitting device 5, the bag fitting device 5 descends and the bag mouth folding piece 7 which is closed inward is inserted inside. It is inserted into the bag 2. At this time, the bag mouth portion 1 of the inner bag 2 is held between the inner side and the outer side by the holding device 3 which is electromagnetically actuated, so that the holding device 3 opens the bag according to the form of the cardboard case 4. Also, the bag mouth portion 1 does not come off from each holding device 3, and the opening is accurately held. Therefore, the bag fitting device 5, the bag mouth folding piece 7, and the like can be smoothly inserted and fitted into the bag mouth portion 1.
【００１５】内袋嵌込装置１１は、コンベア１０上にお
いて昇降シリンダの伸縮により昇降される昇降台１８の
下側に、左右一対のＵ字状の袋嵌込器５が取付られ、こ
の袋嵌込器５の四隅部に位置する垂直上のガイド１９に
は、嵌合するダンボールケース４の四隅部の外方に向け
て回動自在に支持される袋口折込片７設ける。In the inner bag fitting device 11, a pair of left and right U-shaped bag fitting devices 5 are attached to the lower side of the lift 18 which is lifted and lowered by the expansion and contraction of the lift cylinder on the conveyor 10. The vertical guides 19 located at the four corners of the inserter 5 are provided with bag mouth folding pieces 7 which are rotatably supported toward the outside of the four corners of the corrugated cardboard case 4 to be fitted.
【００１６】この袋口折込片７は上部をスライダー２０
に対してピン２１で枢支し、このスライダー２０はガイ
ド１９の内側に沿って上下方向に移動自在に案内され
る。袋口折返片７の基部にはガイド１９との間に伸縮さ
れるエアシリンダ２２が連結され、このエアシリンダ２
２の伸縮によって該袋口折返片７が一定角度内外に回動
されると共に、ガイド１９に対して一定高さ昇降され
る。２７は上限ストッパ−である。This bag mouth folding piece 7 has a slider 20 at the top.
On the other hand, the slider 20 is pivotally supported by a pin 21, and the slider 20 is guided along the inside of the guide 19 so as to be vertically movable. An air cylinder 22 which is expanded and contracted between the air cylinder 2 and the guide 19 is connected to the base of the bag mouth folding piece 7.
By the expansion and contraction of 2, the bag mouth-folding piece 7 is rotated inward and outward by a certain angle and is moved up and down by a certain height with respect to the guide 19. 27 is an upper limit stopper.
【００１７】このような袋嵌込器５等が内袋２内に差し
込まれると（図１）、前記各挾持器３が開放されて、内
袋２が下方のダンボールケース４内に押込嵌合される。When such a bag fitting device 5 and the like are inserted into the inner bag 2 (FIG. 1), the respective holding devices 3 are opened, and the inner bag 2 is pushed and fitted into the lower cardboard case 4. To be done.
【００１８】この袋嵌込器５がダンボールケース４内に
嵌合されて、袋口折返片７が開蓋部６上端に接近すると
（図２）、これまでガイド１９の内側に位置されていた
袋口折返片７はエアシリンダ２２の短縮によってピン２
１回りに外方へ回動されるために、袋口部１を外周方向
へ拡張させる（図３，図６）。拡張された袋口折返片７
の回動が止まるとエアシリンダ２２の短縮によってスラ
イダー２０がガイド１９の内側に案内されて下動し拡張
している袋口部１を押し下げるため、袋口部１は開蓋部
６の外側へ折り返されて、外周面に被嵌されることとな
る（図４）。When the bag fitting device 5 is fitted in the cardboard case 4 and the bag mouth folding piece 7 approaches the upper end of the lid 6 (FIG. 2), it has been positioned inside the guide 19 until now. The bag mouth folding piece 7 is pin 2 by shortening the air cylinder 22.
The bag mouth portion 1 is expanded in the outer peripheral direction in order to be rotated outward by one turn (FIGS. 3 and 6). Expanded bag mouth folding piece 7
When the rotation stops, the slider 20 is guided inside the guide 19 by the shortening of the air cylinder 22 and moves downward to push down the expanding bag mouth portion 1, so that the bag mouth portion 1 is moved to the outside of the opening portion 6. It is folded back and fitted on the outer peripheral surface (FIG. 4).
【００１９】このような袋口部１が開蓋部６に被嵌され
ると、エアシリンダ２２は伸長されて、袋口折返片７が
内側へ回動されて、スライダー２０と共にガイド１９に
対して上昇され、又、袋嵌込器５も上昇されてダンボー
ルケース４内に押込嵌合させた内袋２をそのままに残し
て（図５）、続いてキャリッジ９により供給される内袋
２の嵌込作用を待つ。When the bag mouth 1 is fitted into the opening cover 6, the air cylinder 22 is extended, the bag mouth return piece 7 is rotated inward, and the slider 20 and the guide 19 are guided. Of the inner bag 2 that is supplied by the carriage 9 after the inner bag 2 that has been pushed and fitted into the cardboard case 4 is left as it is (FIG. 5). Wait for the fitting action.
【００２０】このような袋嵌込器５の四隅部に位置する
ガイド１９に設けられる袋口折返片７は、二又状に形成
されて、ガイド１９の両側に位置して回動しうる構成と
し、開蓋部６の隅部の左右外側部を挾むようにして袋口
部１を折返し案内するために、この折返し作用が円滑に
正確に行なわれる。なお、前記単なるエアシリンダー２
２に代えて、リニアシリンダーを用いて、この袋口折返
片７の基単側をリニアシリンダーに嵌合させて摺動させ
る構成とし、かつ、該袋口折返片７を外側へばねで張圧
して袋口部１の開きに応じて張り、袋口部の無理な折返
し作用をなくし、破損を少くする構成とするも良い。The bag mouth-folding pieces 7 provided on the guides 19 located at the four corners of the bag inserting device 5 are formed in a bifurcated shape and can be rotated on both sides of the guide 19. In order to guide the bag mouth portion 1 by folding back the left and right outer side portions of the corners of the lid opening portion 6, this folding back operation is smoothly and accurately performed. The simple air cylinder 2
In place of 2, a linear cylinder is used, and the base side of the bag mouth return piece 7 is fitted into the linear cylinder to slide, and the bag mouth return piece 7 is tensioned outward by a spring. Alternatively, the bag mouth portion 1 may be tensioned according to the opening thereof to eliminate the excessive folding back action of the bag mouth portion and reduce the damage.
【００２１】ダンボールケース４に内袋２が嵌合される
と、コンベア１０で移送されて、被包装物の供給を受け
る。被包装物を収容されると、内袋２の袋口部１を開蓋
部６から外れて折たたみ、開蓋部６を閉鎖する。When the inner bag 2 is fitted in the cardboard case 4, the inner bag 2 is transferred by the conveyer 10 and supplied with the article to be packaged. When the article to be packaged is accommodated, the bag mouth portion 1 of the inner bag 2 is detached from the opening lid portion 6 and folded, and the opening lid portion 6 is closed.
【００２２】なお、前記袋嵌込器５は、ダンボールケー
ス４のサイズに合致するように、左右の間隔やガイド１
９部の長さ等を適宜調節できる構成とするとよい。The bag fitting device 5 is arranged so that the space between the left and right sides and the guide 1 is adjusted so as to match the size of the cardboard case 4.
It is preferable that the length of 9 parts can be adjusted appropriately.
【図１】作用行程を示す斜視図。FIG. 1 is a perspective view showing an operation process.
【図２】作用行程を示す斜視図。FIG. 2 is a perspective view showing an operation process.
【図３】作用行程を示す斜視図。FIG. 3 is a perspective view showing an operation process.
【図４】作用行程を示す斜視図。FIG. 4 is a perspective view showing an operation process.
【図５】作用行程を示す斜視図。FIG. 5 is a perspective view showing an operation process.
【図６】一部の拡大正面図。FIG. 6 is a partially enlarged front view.
【図７】その平面図。FIG. 7 is a plan view thereof.
【図８】製袋装置部の側面図。FIG. 8 is a side view of the bag manufacturing device section.
１ 袋口部 ２ 内袋 ３ 挾持器 ４ ダンボールケース ５ 袋嵌込器 ６ 開蓋部 ７ 袋口折返片 1 bag mouth part 2 inner bag 3 holding device 4 cardboard case 5 bag inserter 6 lid part 7 bag mouth folding piece
Claims (1)
口保持する挾持器３と、この内袋２の内側に差込んでこ
の内袋２をダンボールケース４内へ押込嵌合する袋嵌込
器５と、この袋嵌込器５の四隅部にあって二又状に形成
され外周方向と押込方向へ作動して該袋口部１の内周部
を受けて該袋嵌込器５の押込行程部では開蓋部６の外周
へ拡張して押込作動することにより各四隅部を両側面部
に亘って挾み付けるようにして袋口部１を開蓋部６の外
周に被嵌する袋口折返片７とからなるダンボールケース
包装の内袋嵌込装置。1. A holder 3 for holding the bag mouth 1 from inside and outside to hold the inner bag 2 open, and a holder 3 inserted into the inner bag 2 to push and fit the inner bag 2 into a cardboard case 4. And a bag fitting device 5 which is formed in a bifurcated shape at four corners of the bag fitting device 5 and operates in the outer peripheral direction and the pushing direction to receive the inner peripheral part of the bag mouth portion 1 In the pushing stroke portion of the inserter 5, the bag mouth portion 1 is extended to the outer periphery of the opening lid portion 6 by expanding to the outer periphery of the opening lid portion 6 and performing the pushing operation so that each of the four corner portions is pinched over both side surface portions. An inner bag fitting device for a cardboard case package, comprising a bag mouth folding piece 7 to be fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5270030A JP2538833B2 (en) | 1993-10-02 | 1993-10-02 | Inner bag fitting device for dumbole case packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5270030A JP2538833B2 (en) | 1993-10-02 | 1993-10-02 | Inner bag fitting device for dumbole case packaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07100970A JPH07100970A (en) | 1995-04-18 |
| JP2538833B2 true JP2538833B2 (en) | 1996-10-02 |
Family
ID=17480560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5270030A Expired - Lifetime JP2538833B2 (en) | 1993-10-02 | 1993-10-02 | Inner bag fitting device for dumbole case packaging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538833B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104340417B (en) * | 2014-10-22 | 2016-04-06 | 江苏爱动力自动化设备有限公司 | A kind of pressure cover device of battery pack wiring |
| CN107458660B (en) * | 2017-07-05 | 2023-04-18 | 四川共悦智能科技有限公司 | Novel combination of piece cigarette carton unpacking sleeve case device |
| CN112623367A (en) * | 2020-12-02 | 2021-04-09 | 合肥长陆工业科技有限公司 | Bagging method |
| CN112623366A (en) * | 2020-12-02 | 2021-04-09 | 合肥长陆工业科技有限公司 | Bagging machine |
| FR3119607B1 (en) * | 2021-02-09 | 2023-04-28 | Solystic | Device for mechanical manipulation of a flexible bag placed in a support and logistics installation for sorting parcels comprising such a device. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0425316U (en) * | 1990-06-26 | 1992-02-28 |
-
1993
- 1993-10-02 JP JP5270030A patent/JP2538833B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07100970A (en) | 1995-04-18 |
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