JPS594328B2 - Bottles suction and pressure feeding device - Google Patents
Bottles suction and pressure feeding deviceInfo
- Publication number
- JPS594328B2 JPS594328B2 JP53042856A JP4285678A JPS594328B2 JP S594328 B2 JPS594328 B2 JP S594328B2 JP 53042856 A JP53042856 A JP 53042856A JP 4285678 A JP4285678 A JP 4285678A JP S594328 B2 JPS594328 B2 JP S594328B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- bottles
- tapered
- supply pipe
- tube
- 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
Landscapes
- Air Transport Of Granular Materials (AREA)
Description
【発明の詳細な説明】
本発明は、圧力空気の噴出によって下流側に生ずる負圧
を利用してプラスチックボトルやアルミ缶等のボトル類
を引き込むと共に、この引き込んだボトル類を圧力空気
の流れで圧送する、吸引圧送方式によってボトル類を輸
送する装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention utilizes the negative pressure generated on the downstream side by a jet of pressurized air to draw in bottles such as plastic bottles and aluminum cans, and also draws in bottles such as plastic bottles and aluminum cans using a flow of pressurized air. The present invention relates to a device for transporting bottles using a suction pressure feeding method.
吸引圧送方式による輸送は、ボトル類のみならず各種粉
粒体や生コンクリート等の粘性流動体等の種々の物の輸
送に利用されている。Transportation by suction and pressure is used to transport not only bottles but also various powders and viscous fluids such as ready-mixed concrete.
従来、吸引圧送方式によって輸送を行なう吸引圧送装置
としては、上流側がチャンバーの排出口に連結された内
管の他端を、下流側が内管とほぼ同径の搬送管に連結さ
れかつ流れ方向に縮径されたテーパ一部を有する外管の
上流側端部内に挿入し、内管の外面と外管の内面とで形
成する空気室に圧力空気を供給したときに内管端部と外
管内面との間隙の噴出口から送気できるようにし、この
送気によって内管方向に負圧を生ぜしめ、この負圧によ
って内管から外管を介して搬送管へと被輸送物を吸引し
て送り込んで圧送できるようにしたものが知られている
。Conventionally, in a suction and pressure feeding device that performs transportation using a suction and pressure feeding method, the other end of an inner tube is connected to the discharge port of the chamber on the upstream side, and the other end of the inner tube is connected to a conveying tube with approximately the same diameter as the inner tube on the downstream side and in the flow direction. When inserted into the upstream end of the outer tube, which has a tapered portion with a reduced diameter, and supplying pressurized air to the air chamber formed by the outer surface of the inner tube and the inner surface of the outer tube, the inner tube end and the inside of the outer tube Air can be supplied from the outlet in the gap with the surface, and this air supply generates negative pressure in the direction of the inner tube, and this negative pressure sucks the objects to be transported from the inner tube to the conveyor tube via the outer tube. There is a known device that can be fed under pressure.
(特公昭49−5409号)。しかしながら、上記従来
の装置をボトル類の輸送に使用すると、輸送中にボトル
類が搬送管内壁面等と擦れ合って傷付けられやすいとい
う大きな問題がある。(Special Publication No. 49-5409). However, when the above-mentioned conventional apparatus is used for transporting bottles, there is a big problem that the bottles are easily damaged by rubbing against the inner wall surface of the transport pipe during transport.
本発明者等は、上記従来の装置における問題を解決すべ
くその原因について研究の結果、内管と搬送管がほぼ同
径であることと、外管が流れ方向に縮径するテーパ一部
を有することにその大きな原因があることを見い出した
。In order to solve the above-mentioned problems with conventional devices, the present inventors researched the cause and found that the inner tube and the conveying tube have approximately the same diameter, and that the outer tube has a taper that reduces the diameter in the flow direction. We discovered that a major reason for this is that we have
即ち、内管の径を大きくし過ぎると、内管方向に作用す
る負圧が不十分になりやすくなってボトル類を引き込み
にくくなるため、内管の径はボトル類に比してそれほど
大きくできず、この比較的小径の内管から外管を介して
内管と同様に比較的小径の搬送管へとボトル類を送るこ
とになるので、ボトル類がわずかのずれで外管のテーパ
一部や搬送管内壁面と擦れ合って傷付いてしまうことに
なる。In other words, if the diameter of the inner tube is made too large, the negative pressure acting in the direction of the inner tube tends to be insufficient, making it difficult to draw in bottles, so the diameter of the inner tube cannot be made that large compared to the bottles. First, the bottles are sent from this relatively small diameter inner pipe via the outer pipe to the relatively small diameter transport pipe like the inner pipe, so if the bottles are slightly misaligned, part of the taper of the outer pipe may This may cause damage due to rubbing against the inner wall surface of the conveyor pipe.
また、外管の流れ方向に縮径するテーパ一部は、噴出口
から噴出する圧力空気の勢いを摩擦抵抗で弱めてしまい
、内管方向に作用する負圧を弱めることになる。Further, the tapered portion of the outer tube whose diameter is reduced in the flow direction weakens the force of the pressurized air jetted from the jet port due to frictional resistance, thereby weakening the negative pressure acting in the direction of the inner tube.
そして、この負圧の弱まりが内管から外管を介して搬送
管への軸心に沿ったボトル類の移動を妨げ、前記外管の
テーパ一部や搬送管内壁面との擦れ合いによるボトル類
の傷付きを助長する結果を生んでいる。This weakening of the negative pressure prevents the bottles from moving along the axis from the inner tube to the conveying tube via the outer tube, and the bottles rub against a portion of the taper of the outer tube and the inner wall surface of the conveying tube. This has resulted in further harm to people.
本発明は、吸引圧送方式によるボトル類の輸送に際し、
搬送管内壁面等との擦れ合いによってボトル類が傷付け
られるのを防止できるようにすることを目的とするもの
で、上記本発明者等の知見に基づいてなされたものであ
る。The present invention provides the following features when transporting bottles using the suction pressure feeding method:
The purpose of this invention is to prevent bottles from being damaged due to rubbing against the inner wall surface of the conveyance pipe, etc., and was made based on the findings of the inventors.
上記目的を達成するための本発明の構成上の特徴は、ボ
トル類を直列に空気輸送する装置において、ボトル類が
一本づつ送り込まれる供給管と、上流側はこの供給管以
上の径を有しかつ更に流れ方向に拡径されてこの拡径さ
れた下流側端部に当該端部とほぼ同径の搬送管が連結さ
れるテーパー管とを、供給管を上流側、テーパー管を下
流側として両者間に間隙を持たせて同軸方向に近接させ
、この供給管とテーパー管間をエアチャンバーで囲繞し
、前記間隙にはエアチャンバー内に供給される圧力空気
を当該間隙からテーパー管の軸心方向へ導くグリルを設
けると共にエアチャンバー内のグリル直前には羽根を設
け、前記間隙から前記テーパー管に供給される圧力空気
によって供給管の上流側に負圧を生ぜしめるように構成
したボトル類の吸引圧送装置とした点にある。The structural feature of the present invention for achieving the above object is that, in an apparatus for pneumatically transporting bottles in series, there is a supply pipe into which the bottles are fed one by one, and the upstream side has a diameter larger than that of the supply pipe. In addition, a tapered pipe whose diameter is further expanded in the flow direction and a conveying pipe having approximately the same diameter as the end is connected to the expanded downstream end, with the supply pipe on the upstream side and the tapered pipe on the downstream side. The supply pipe and the tapered pipe are surrounded by an air chamber, and the pressurized air supplied into the air chamber is passed from the gap to the axis of the tapered pipe. Bottles that are provided with a grill that guides the air in the direction of the center, and that a blade is provided in front of the grill in the air chamber so that negative pressure is generated on the upstream side of the supply pipe by the pressurized air that is supplied from the gap to the tapered pipe. The main point is that it is a suction and pressure feeding device.
上記本発明によれば、供給管に比して搬送管の径が大き
いので、供給管からテーパー管を介して搬送管へ送シ込
まれるボトル類が多少軸心からずれて送られてもテーパ
ー管や搬送管の内壁に衝突することがない。According to the present invention, since the diameter of the conveying tube is larger than that of the supply tube, even if the bottles that are sent from the supply tube to the conveying tube via the tapered tube are sent slightly off-center, the taper remains intact. There is no collision with the inner wall of the pipe or conveyor pipe.
また、搬送管内に送り久まれたボトル類の周囲に十分な
空気の流れを維持でき、これによるエアクッション効果
によって、ボトル類を搬送管の軸心に沿って搬送管の内
壁と擦れ合うことなく輸送できるものである。In addition, sufficient air flow can be maintained around the bottles that have been sent into the transport pipe for a long time, and the resulting air cushion effect allows the bottles to be transported along the axis of the transport pipe without rubbing against the inner wall of the transport pipe. It is possible.
一方、テーパー管は流れ方向に拡径されているので、噴
出される圧力空気とテーパー管内壁の摩擦を最小限に抑
えることができる。On the other hand, since the diameter of the tapered pipe is expanded in the flow direction, the friction between the ejected pressurized air and the inner wall of the tapered pipe can be minimized.
そして、これと、羽根並びにグリルによる乱れの少ない
圧力空気の誘導とが相撲って高いベンチュリー効果が得
られ、供給管方向への高い負圧が得られるので、供給管
から搬送管への軸心に沿ったボトル類の送り込みができ
、ボトル類とテーパー管や搬送管内壁との衝突防止が一
層確実なものである。This, combined with the induction of pressured air with less turbulence by the blades and grille, results in a high venturi effect, resulting in high negative pressure in the direction of the supply pipe, so that the axis from the supply pipe to the conveyor pipe is Bottles can be fed along this line, and collisions between bottles and the inner wall of the tapered pipe or conveying pipe can be more reliably prevented.
以下、実施例を示す図面を参照しつつ本発明を更に詳細
に説明する。Hereinafter, the present invention will be explained in more detail with reference to the drawings showing examples.
第1図は本発明の一実施例を示す図で、供給ホッパー7
と受入缶9を結ぶ搬送管8の供給ホッパ−7側端部に、
供給管1と、テーパー管2と、エアチャンバー3とから
構成されるエジエターが取付けられていて、ブロワ−6
から送られる圧力空気によってボトル類を供給ホッパー
7から受入缶9へ輸送できるようになっている。FIG. 1 is a diagram showing an embodiment of the present invention, in which a supply hopper 7
At the supply hopper 7 side end of the conveying pipe 8 connecting the receiving can 9 and the receiving can 9,
An egiator consisting of a supply pipe 1, a tapered pipe 2, and an air chamber 3 is attached, and a blower 6
Bottles can be transported from the supply hopper 7 to the receiving can 9 by pressurized air sent from the supply hopper 7.
第2図は他の実施例を示す図で、第1図に示されるもの
と同様の供給管1と、テーパー管2と、エアチャンバー
3とから構成されるエジェクターが、搬送管8の供給ホ
ッパ−7側端部と、搬送管8の中間部との三箇所に設け
られている。FIG. 2 is a diagram showing another embodiment, in which an ejector composed of a supply pipe 1, a tapered pipe 2, and an air chamber 3 similar to that shown in FIG. They are provided at three locations: the −7 side end and the intermediate portion of the conveying tube 8.
このようにすると、プロワ−6からの圧力空気を三箇所
から搬送管8内へ供給できるので、供給ホッパー7と受
入缶9間の距離が長いときでも確実にボトル類を輸送で
きる。In this way, the pressurized air from the blower 6 can be supplied into the transport pipe 8 from three locations, so that even when the distance between the supply hopper 7 and the receiving can 9 is long, the bottles can be reliably transported.
第3図は上述の両実施例におけるエジェクタ一部分の断
面図、第4図A、Bは各々その圧力空気吹出し部分の正
面図、第5図はグリルの他の実施例を示す断面図である
。FIG. 3 is a sectional view of a portion of the ejector in both of the above embodiments, FIGS. 4A and 4B are front views of the pressurized air blowing portion, and FIG. 5 is a sectional view showing another embodiment of the grill.
供給管1は、一本づつボトル類が前述の供給ホッパー1
等から送シ込まれるもので、流れ方向に縮径されたテー
パー管又は平行管によって構成されている。The supply pipe 1 is connected to the above-mentioned supply hopper 1 for each bottle.
It is constructed of a tapered pipe or parallel pipe whose diameter is reduced in the flow direction.
通常、この供給管1は、第1図及び第2図で説明した供
給ホッパ−7側端部に位置するエジェクターにおいては
平行管で、搬送管8の中間部に位置するエジェクターに
おいてはテーパー管となる。Normally, the supply pipe 1 is a parallel pipe in the ejector located at the end of the supply hopper 7 described in FIGS. 1 and 2, and a tapered pipe in the ejector located in the middle of the conveyance pipe 8. Become.
上記供給管1と、これに同軸方向に近接して流れ方向に
拡径されたテーパー管2とが、供給管1の周囲に設けら
れたエアチャンバー3をテーパー管2に連結することに
より、幅を自由に調節可能な間隙aを持って連結されて
いる。By connecting the air chamber 3 provided around the supply pipe 1 to the tapered pipe 2, the supply pipe 1 and the tapered pipe 2, which is adjacent to the supply pipe 1 in the coaxial direction and whose diameter is enlarged in the flow direction, are widened. are connected with a freely adjustable gap a.
この間隙aには、エアチャンバー3内に供給された圧力
空気を、第4図A、Bに示されるようなリング状全円周
部分又は下弦三日月状部分からテーパー管2の軸心方向
に導くグリル4が設けられていて、間隙aから吹出す圧
力空気によるベンチュリー効果によって、供給管1方向
に負圧を生ぜしめ、供給管1内のボトル類を吸引できる
ようになっている。Into this gap a, the pressurized air supplied into the air chamber 3 is guided in the axial direction of the tapered tube 2 from a ring-shaped full circumferential portion or a waning crescent-shaped portion as shown in FIGS. 4A and B. A grill 4 is provided to generate negative pressure in the direction of the supply pipe 1 by the Venturi effect of pressurized air blown from the gap a, so that the bottles inside the supply pipe 1 can be sucked.
また、エアチャンバー3内のグリル4直前には、間隙a
から吹出す圧力空気を整流又は旋回させる羽根5が設け
られている。In addition, there is a gap a just before the grill 4 in the air chamber 3.
A vane 5 is provided to rectify or swirl the pressurized air blown out from the pump.
供給管1とテーパー管2の接合部の内径は、同径又は供
給管1よりテーパー管2の径の方が大きい関係となって
おり、供給管1を上流側、テーパー管2を下流側にして
両者は近接されている。The inner diameter of the joint between the supply pipe 1 and the tapered pipe 2 is the same diameter, or the diameter of the tapered pipe 2 is larger than that of the supply pipe 1. The two are located close together.
また、テーパー管2の下流側である大径部側端部には、
当該端部とほぼ同径の搬送管8が連結されている。In addition, at the downstream large-diameter end of the tapered pipe 2,
A conveying pipe 8 having approximately the same diameter as the end is connected to the end.
上記の如く構成された装置の作用効果を説明するとエア
チャンバー3からグリル4を通過して噴出された高速空
気の吸引作用により供給管1内は負圧となり、ボトル類
はスムースに吸引されて供給管1よりテーパー管2へと
移動し、更に搬送管8へと送り込まれることになる。To explain the function and effect of the device configured as above, the suction action of high-speed air ejected from the air chamber 3 through the grille 4 creates a negative pressure in the supply pipe 1, and bottles are smoothly sucked and supplied. It moves from the pipe 1 to the tapered pipe 2 and is further fed into the conveying pipe 8.
このときテーパー管2は流れ方向に拡径しており、搬送
管8は供給管1よりも大径であるので、移動するボトル
類が軸心より多少ずれてもテーパー管2’P搬送管8の
内壁と衝突することがない。At this time, the diameter of the tapered pipe 2 is expanding in the flow direction, and the conveying pipe 8 has a larger diameter than the supply pipe 1, so even if the moving bottles are slightly deviated from the axis, the tapered pipe 2'P conveying pipe 8 There will be no collision with the inner wall.
また、テーパー管2が流れ方向に拡径していて空気の流
れとの摩擦が小さく抑えられていること、グリル4によ
る圧力空気の噴出方向の調整、羽根5による噴出空気の
整流又は旋回作用等が相撲って良好なベンチュリー効果
が得られる。In addition, the tapered pipe 2 has an expanded diameter in the flow direction to suppress friction with the air flow, the grille 4 adjusts the jetting direction of the pressurized air, the blades 5 straighten or swirl the jetted air, etc. A good venturi effect can be obtained by sumo.
これに伴って供給管1方向に作用する負圧も十分なもの
となって確実にボトル類を吸引でき、そのまま搬送管8
の軸心へとボトル類を送り込むことができる。Along with this, the negative pressure acting in the supply pipe 1 direction is also sufficient to ensure that bottles can be sucked, and the conveyor pipe 8
Bottles can be fed into the axis of the machine.
そして、搬送管8内へと移動したボトル類の周囲には、
搬送管8が比較的大径であることによって十分な空気の
流レカ維持されるので、この空気のエアクッションによ
ってボトル類は搬送管8の内壁と擦れ合うことなく輸送
され、傷付けられることがないものである。Then, around the bottles that have moved into the transport pipe 8,
Due to the relatively large diameter of the conveyance tube 8, sufficient air flow is maintained, and this air cushion allows bottles to be transported without rubbing against the inner wall of the conveyance tube 8, thereby preventing them from being damaged. It is.
輸送すべきボトル類が比較的大型であるときは、通常第
6図Aのようにリング状全周部分から圧力空気を吹出さ
せるが、第6図Bのように下弦三日月状部分から圧力空
気を吹出させるようにすると、最も搬送管8の内壁と擦
れやすいボトル類の下半面をエアクッションで確実に浮
かすことができ、かつ使用圧力空気を節約できるので好
ましい。When the bottles to be transported are relatively large, pressurized air is normally blown out from the ring-shaped part around the entire circumference as shown in Figure 6A, but pressurized air is blown out from the waning crescent-shaped part as shown in Figure 6B. Blow-out is preferable because the lower half of the bottle, which is most likely to rub against the inner wall of the conveying pipe 8, can be reliably floated by the air cushion, and the pressure air used can be saved.
また、ボトル類が比較的小型のものであるときには、第
5図に示されるような吹出し孔を有するグリル4として
更に圧力空気の使用量を節約することもできる。Further, when the bottles are relatively small, the amount of pressurized air used can be further reduced by using a grille 4 having blow-off holes as shown in FIG.
次に、本発明の装置を実際に運転した結果を示す。Next, the results of actually operating the apparatus of the present invention will be shown.
プラスチック製ボトル75φ×220LrIrInのも
のを、第1図に示されるような装置を用いて70m輸送
した。A plastic bottle of 75φ×220LrIrIn was transported for 70m using a device as shown in FIG.
搬送管は10θφ調のものとし、運転条件は下記の通り
とした。The conveyor pipe was 10θφ, and the operating conditions were as follows.
輸送後のボトルを肉眼で検査したが、擦り傷はほとんど
検出されなかった。When the bottles were visually inspected after shipping, few scratches were detected.
輸送能力22本/馴
〃 風量3.8m3/min
〃 圧力1500mmAq
空気速度7.3m/s
ボトル輸送速度 3.5 m/ s
以上説明の通り、本発明によれば、ボトル類を傷付ける
ことなく効率よく輸送できるものである。Transport capacity: 22 bottles/accumulation Air volume: 3.8 m3/min Pressure: 1500 mmAq Air velocity: 7.3 m/s Bottle transport speed: 3.5 m/s As explained above, according to the present invention, efficiency is achieved without damaging bottles. It can be easily transported.
第1図は本発明の一実施例を示す図、第2図は他の実施
例を示す図、第3図は両実施例におけるエジェクタ一部
分の断面図、第4図A、Bは各々その圧力空気吹出し部
分の正面図、第5図はグリルの他の実施例を示す断面図
である。
1:供給管、2テーパー管、3:エアチャンバー、4:
グリル、5:羽根、6:ブロワ−,1:供給ホッパー、
8:搬送管、9:受入缶、a:間隙。Fig. 1 is a diagram showing one embodiment of the present invention, Fig. 2 is a diagram showing another embodiment, Fig. 3 is a cross-sectional view of a part of the ejector in both embodiments, and Fig. 4 A and B are respective views of the pressure. FIG. 5 is a front view of the air blowing portion and a sectional view showing another embodiment of the grill. 1: Supply pipe, 2 taper pipe, 3: Air chamber, 4:
Grill, 5: Blade, 6: Blower, 1: Supply hopper,
8: Conveying pipe, 9: Receiving can, a: Gap.
Claims (1)
ル類が一本つつ送り込まれる供給管1と、上流側はこの
供給管1以上の径を有しかつ更に流れ方向に拡径されて
この拡径された下流端部に当該端部とほぼ同径の搬送管
8が連結されるテーパー管2とを、供給管1を上流側、
テーパー管2を下流側として両者1.2間に間隙aを持
たせて同軸方向に近接させ、この供給管1とテーパー管
2間をエアチャンバー3で囲繞し、前記間隙aにはエア
チャンバー3内に供給される圧力空気を当該間隙aから
テーパー管2の軸心方向へ導くグリル4を設けると共に
エアチャンバー3内のグリル4直前には羽根5を設け、
前記間隙aから前記テーパー管2に供給される圧力空気
によって前記供給管1の上流側に負圧を生ぜしめるよう
に構成して成るボトル類の吸引圧送装置。 2 グリル4が、間隙aの下弦三日月状部分からテーパ
ー管2の軸心方向に圧力空気を導くものである特許請求
の範囲第1項記載のボトル類の吸引圧送装置。[Claims] 1. In a device for pneumatically transporting bottles in series, there is a supply pipe 1 into which the bottles are fed one by one, and an upstream side having a diameter larger than that of the supply pipe 1 and further expanding in the flow direction. The supply pipe 1 is connected to the tapered pipe 2 to which the conveying pipe 8 having approximately the same diameter as the end is connected to the expanded downstream end.
The supply pipe 1 and the tapered pipe 2 are surrounded by an air chamber 3, and the supply pipe 1 and the tapered pipe 2 are surrounded by an air chamber 3. A grill 4 is provided to guide the pressurized air supplied into the air chamber from the gap a toward the axis of the tapered tube 2, and a blade 5 is provided in front of the grill 4 inside the air chamber 3.
A suction and pressure feeding device for bottles, which is configured to generate negative pressure on the upstream side of the supply pipe 1 by pressurized air supplied to the tapered pipe 2 from the gap a. 2. The suction and pressure feeding device for bottles according to claim 1, wherein the grille 4 guides pressurized air in the axial direction of the tapered tube 2 from the crescent-shaped portion of the gap a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53042856A JPS594328B2 (en) | 1978-04-12 | 1978-04-12 | Bottles suction and pressure feeding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53042856A JPS594328B2 (en) | 1978-04-12 | 1978-04-12 | Bottles suction and pressure feeding device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54136090A JPS54136090A (en) | 1979-10-22 |
JPS594328B2 true JPS594328B2 (en) | 1984-01-28 |
Family
ID=12647654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53042856A Expired JPS594328B2 (en) | 1978-04-12 | 1978-04-12 | Bottles suction and pressure feeding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS594328B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009073637A (en) * | 2007-09-21 | 2009-04-09 | Nippon Pisuko:Kk | Workpiece transporting device and workpiece transporting method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495797A (en) * | 1972-04-22 | 1974-01-18 | ||
JPS495409A (en) * | 1972-04-12 | 1974-01-18 | ||
JPS4936317A (en) * | 1972-01-11 | 1974-04-04 | ||
JPS5117635A (en) * | 1974-08-02 | 1976-02-12 | Ibm |
-
1978
- 1978-04-12 JP JP53042856A patent/JPS594328B2/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4936317A (en) * | 1972-01-11 | 1974-04-04 | ||
JPS495409A (en) * | 1972-04-12 | 1974-01-18 | ||
JPS495797A (en) * | 1972-04-22 | 1974-01-18 | ||
JPS5117635A (en) * | 1974-08-02 | 1976-02-12 | Ibm |
Also Published As
Publication number | Publication date |
---|---|
JPS54136090A (en) | 1979-10-22 |
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