JPH0764396B2 - Liquid supply device - Google Patents
Liquid supply deviceInfo
- Publication number
- JPH0764396B2 JPH0764396B2 JP62024249A JP2424987A JPH0764396B2 JP H0764396 B2 JPH0764396 B2 JP H0764396B2 JP 62024249 A JP62024249 A JP 62024249A JP 2424987 A JP2424987 A JP 2424987A JP H0764396 B2 JPH0764396 B2 JP H0764396B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid supply
- valve
- main valve
- flow path
- passage
- 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
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、いわゆる「満タン給液」自動的に行なうこと
のできる給液装置に関する。TECHNICAL FIELD The present invention relates to a so-called “full tank supply” automatic liquid supply device.
(従来技術) ガソリンスタンド等で使用される給液ノズルは、特公昭
51−27885号公報等に見られるように、ノズル先端に開
口した空気流路管がタンク内の液によって閉塞されると
閉弁機構が自動的に作動して給液を停止するように構成
されているが、実際は、空気流路管が液の上面に発生す
るアワにより閉塞して給液を停止されることになるた
め、タンク内を満タンにするには何度かレバーを操作し
て閉弁機構をその都度セットし直さなければならないと
いった不都合を有している。(Prior Art) A liquid supply nozzle used at a gas station, etc.
As seen in JP-A-51-27885, when the air passage pipe opened at the tip of the nozzle is blocked by the liquid in the tank, the valve closing mechanism is automatically operated to stop the liquid supply. However, in reality, the air flow tube is blocked by the bubbles generated on the upper surface of the liquid and the liquid supply is stopped, so to fully fill the tank, operate the lever several times. It has a disadvantage that the valve closing mechanism must be reset each time.
(目的) 本発明はかかる不都合に鑑みてなされたもので、その目
的とするところは、一度の給液操作によってタンク内を
満タンにすることのできる新規な給液装置を提供するこ
とにある。(Object) The present invention has been made in view of such inconvenience, and an object of the present invention is to provide a novel liquid supply device capable of filling the tank with a single liquid supply operation. .
(目的を達成するための手段) すなわち、本発明は上記した目的を達成するための給液
装置として、計量装置側の給油ポンプに連通する給液ノ
ズルに、付勢部材により常時流路を閉塞する方向に付勢
された主弁を配設して、この主弁の液圧室の一方を小孔
を介して流路の上流側に、他方を通路を介して流路の下
流側にそれぞれ連通させるとともに、主弁の下流側に、
ノズル先端近傍と流路内の負圧発生部に開口する空気流
路管に連通してこの管内に生じる負圧により通路を閉塞
する第1の弁と、操作レバーに操作されて通路を閉塞す
る第2の弁とを備えた主弁開閉機構を配設する一方、計
量装置側には、給液停止検知手段からの信号により給液
を停止し、その後の計時手段からの信号により一定時間
後に吐出量を絞りつつ給液を開始する給液ポンプを配設
するようにしたものである。(Means for Achieving the Purpose) That is, the present invention is a liquid supply device for achieving the above-mentioned object, in which the liquid supply nozzle communicating with the oil supply pump on the metering device side is always blocked by the biasing member. A main valve biased in the direction of the main valve is disposed, one of the hydraulic chambers of the main valve is located upstream of the flow path through the small hole, and the other is located downstream of the flow path through the passage. While communicating, on the downstream side of the main valve,
A first valve that communicates with an air flow path pipe that opens near the tip of the nozzle and a negative pressure generating portion in the flow path and closes the passage with negative pressure generated in this pipe; and with the operation lever, closes the passage. While the main valve opening / closing mechanism having the second valve is provided, the metering device side stops the liquid supply by the signal from the liquid supply stop detecting means, and after a predetermined time by the signal from the time measuring means. A liquid supply pump that starts liquid supply while reducing the discharge amount is arranged.
(実施例) そこで以下に本発明の詳細を図示した実施例に基づいて
説明する。(Examples) Therefore, the details of the present invention will be described below based on illustrated examples.
第1図は本発明の一実施例を示したもので、ノズル本体
1は、大別して握り部2と、胴部3と、筒先部4とによ
り構成され、握り部1の後端に接続した給液ホース5か
らノズル本体1内に流入した液は、胴部3に設けた開口
部13からチェック弁8を経て筒先部4へと流れるように
構成されている。FIG. 1 shows an embodiment of the present invention. The nozzle body 1 is roughly divided into a grip portion 2, a body portion 3 and a cylinder tip portion 4 and is connected to the rear end of the grip portion 1. The liquid that has flowed into the nozzle body 1 from the liquid supply hose 5 is configured to flow from the opening 13 provided in the body portion 3 to the cylinder tip portion 4 via the check valve 8.
胴部3に設けた主弁10は、液圧室11に張設されたダイヤ
フラム型の弁として形成され、背面に作用するバネ12に
よって常時筒先部4に至る流路の開口部13を閉止するよ
う付勢されており、小孔14を介して流路の上流側6に連
通する液圧室11内の液圧が低下すると、上流側6の液圧
によりバネ12に抗して情報へ撓んで開口部13を開放する
ように構成されている。The main valve 10 provided in the body portion 3 is formed as a diaphragm type valve stretched in the hydraulic chamber 11, and the spring 12 acting on the back surface always closes the opening 13 of the flow path reaching the cylinder tip portion 4. When the hydraulic pressure in the hydraulic chamber 11 communicating with the upstream side 6 of the flow path via the small hole 14 decreases, the hydraulic pressure of the upstream side 6 resists the spring 12 and bends to information. Therefore, the opening 13 is opened.
他方、上記した主弁10の下流側に設けた主弁開閉機構15
は、液圧室11から流路の下流側7へと通じる通孔18、20
の開閉する弁機構として構成され、給液時には液圧室11
を流路の下流側7に連通させ、タンク内の液面を検知し
た時は液圧室11と流路の下流側7を遮断する働きをす
る。この主弁開閉機構15は、通路16を介して液圧室11に
連通する第1の液室17と、通孔18を介して第1の液室17
に、また通路20を介して流路の下流側7に連通する第2
の液室19として構成され、これらの各通孔18、20は、そ
れぞれ後述する自動閉弁機構22により操作される第1の
弁21と、操作レバー29により操作される第2の弁27によ
って開閉されるように構成されている。On the other hand, the main valve opening / closing mechanism 15 provided on the downstream side of the main valve 10 described above.
Is a through hole 18, 20 that leads from the hydraulic chamber 11 to the downstream side 7 of the flow path.
It is configured as a valve mechanism that opens and closes.
Is connected to the downstream side 7 of the flow path, and when the liquid level in the tank is detected, it functions to shut off the hydraulic chamber 11 and the downstream side 7 of the flow path. The main valve opening / closing mechanism 15 includes a first liquid chamber 17 communicating with the hydraulic chamber 11 via a passage 16 and a first liquid chamber 17 via a through hole 18.
To the downstream side 7 of the flow path via the passage 20
Liquid chamber 19 of each of these through holes 18, 20 by a first valve 21 operated by an automatic valve closing mechanism 22 described later and a second valve 27 operated by an operating lever 29. It is configured to be opened and closed.
これをさらに詳しく説明すると、第1の弁21を操作する
自動閉弁機構22は、ノズル本体1の筒先部4先端に開口
した空気流路管23がタンク内の絵により塞がれると、チ
ェック弁8の近傍に開口した陰圧発生部50からの負圧に
よりダイヤフラム24を図の下方へ変形させ、これと一体
をなす第1の弁21をバネ25に抗して通路18を閉止すべく
下降させるよう構成され、また第2の弁27を操作する操
作レバー29は、これを支点30回りに引くことにより、杆
26と一体をなす第2の弁27をバネ28に抗して押上げて流
路の下流側7に連通する通孔20を開放するように構成さ
れている。Explaining this in more detail, the automatic valve closing mechanism 22 for operating the first valve 21 checks if the air passage pipe 23 opened at the tip of the tip 4 of the nozzle body 1 is blocked by a picture in the tank. In order to close the passage 18 against the spring 25, the first valve 21 integrated with the diaphragm 24 is deformed downward by the negative pressure from the negative pressure generating portion 50 opening near the valve 8 in the drawing. The operating lever 29, which is configured to lower the valve and operates the second valve 27, pulls this around the fulcrum 30 to move the lever.
A second valve 27, which is integral with 26, is pushed up against a spring 28 to open a through hole 20 communicating with the downstream side 7 of the flow path.
なお、図中符号31は操作レバー29を引いた位置で係止す
るラッチを示している。Reference numeral 31 in the drawing indicates a latch that is locked at a position where the operation lever 29 is pulled.
第3図、第4図は計量装置51および給液制御装置40を示
したもので、この計量装置51の給液制御装置40は、流量
計52に接続した流量パルス発信器34からのパルス信号が
断たれると計時手段42とモータ制御手段43に信号を出力
する給液停止検知手段41と、給液停止検知手段41から信
号によりセットされ、予じめ設定された時間経過後にポ
ンプ53の駆動モータ37を作動すべく制御手段43に信号を
出力する計時手段42と、計時手段42から信号を入力する
度に吐出量を絞るべくポンプモータ37を制御し、数回信
号を入力すると給液停止とみなして以後の信号は受入れ
ないように構成されたモータ制御手段43と、ノズルスイ
ッチ35からの信号によりセットされ、流量パルス発信器
34からの流量パルスを精算して表示器駆動手段45を介し
てその積算値を表示器36に出力する計数手段44とにより
構成されている。3 and 4 show a metering device 51 and a liquid supply control device 40. The liquid supply control device 40 of the metering device 51 is a pulse signal from a flow rate pulse transmitter 34 connected to a flow meter 52. When the liquid is cut off, the liquid supply stop detection means 41 for outputting a signal to the time measurement means 42 and the motor control means 43, and the signal set from the liquid supply stop detection means 41, the pump 53 of the pump 53 after the preset time has elapsed When the signal is input from the timing means 42, the pump motor 37 is controlled so as to reduce the discharge amount every time a signal is input from the timing means 42, and the liquid is supplied when the signal is input several times. The flow rate pulse transmitter is set by the signal from the motor control means 43 and the nozzle switch 35, which is configured so as not to accept the signal after the stop.
The flow rate pulse from 34 is settled, and the counting means 44 which outputs the integrated value to the display 36 via the display driving means 45.
つぎに上述した装置による給液動作を説明する。Next, the liquid supply operation by the above-mentioned device will be described.
給液ノズル本体1が計量装置51のノズル掛けに掛けられ
ている状態、つまり、給液ポンプ53が停止し、かつ操作
レバー29が操作されていない状態のもとでは、第1図に
示したように、主弁10はこの背面に使用するバネ12に付
勢されて流路の開口部13を閉止しており、また第1の弁
21は、バネ25により引上げられて第2の液室19に通じる
通孔18を開放し、第2の弁27は、自己に作用するバネ28
に付勢されて流路の下流側7に通じる通孔20を閉止して
いる。As shown in FIG. 1, under the condition that the liquid supply nozzle main body 1 is hung on the nozzle hook of the measuring device 51, that is, the liquid supply pump 53 is stopped and the operation lever 29 is not operated. As described above, the main valve 10 is biased by the spring 12 used on the back surface of the main valve 10 to close the opening 13 of the flow path, and the first valve 10
21 is pulled up by the spring 25 to open the through hole 18 communicating with the second liquid chamber 19, and the second valve 27 is actuated by the spring 28 acting on itself.
The through hole 20 which is urged by the valve and communicates with the downstream side 7 of the flow path is closed.
この状態のもとで、例えば自動車の燃料タンクにガソリ
ンを重填すべくノズル掛けからノズル本体1を外すと、
ノズルスイッチ35からの信号により計数手段44はリセッ
トされて表示器36を零にし、これと同時にポンプモータ
37は給液ポンプ53を駆動して給液動作に入る。Under this condition, for example, if the nozzle body 1 is removed from the nozzle hook to fill the fuel tank of an automobile with gasoline,
The signal from the nozzle switch 35 resets the counting means 44 to zero the display 36, and at the same time, the pump motor
37 drives the liquid supply pump 53 to start liquid supply operation.
したがって、つぎに操作レバー29を引いてこれをラッチ
31に掛けると、リンク操作レバーにより押上げられた第
2の弁27は、第2図(a)に示したように通孔20を開放
する。このため主弁10背面の液圧室11は、通路16、第1
の液室17、通孔18、第2の液室19、通孔20を経て流路の
下流側7と連通して液圧を下げ、これによって、主弁10
は上流側6の液圧により押上げられて開口部13を開放
し、給液可能の状態にする。Therefore, next pull the operating lever 29 and latch it.
When it is hung on 31, the second valve 27 pushed up by the link operating lever opens the through hole 20 as shown in FIG. 2 (a). Therefore, the hydraulic chamber 11 on the back of the main valve 10 has the passage 16, the first
Through the liquid chamber 17, the through hole 18, the second liquid chamber 19, and the through hole 20 to communicate with the downstream side 7 of the flow path to reduce the hydraulic pressure, and thereby the main valve 10
Is pushed up by the hydraulic pressure on the upstream side 6 to open the opening portion 13 to enable the liquid supply.
そしてこの給液によりタンク内の液位が上昇し、やかて
筒先部4の開口端が液面上にできたアワにより塞がれる
と、空気流路管23と連通している自動閉弁機構22の負圧
室はチェック弁8の陰圧発生部50での負圧作用を受けて
負圧となり、この負圧によりバネ25に抗してダイヤフラ
ム24を下方に吸引し(第2図(b))、これと一体とな
った第1の弁21を押下げて第2の液室19に通じる通孔18
を閉塞する。これにより、主弁10の背面液圧室11は小孔
14より流入した液圧により上流側6の液圧と等しくなる
ため、主弁10はバネ12の付勢力により流路の開口部13を
閉止して給液を一時的に停止する。Then, the liquid level in the tank rises due to this liquid supply, and when the open end of the cylinder tip portion 4 is eventually closed by the bubbles formed on the liquid surface, the automatic valve closing communicating with the air passage pipe 23 is performed. The negative pressure chamber of the mechanism 22 receives negative pressure in the negative pressure generating portion 50 of the check valve 8 to become negative pressure, and this negative pressure attracts the diaphragm 24 downward against the spring 25 (see FIG. 2 ( b)), the through-hole 18 that presses down the first valve 21 integrated therewith and leads to the second liquid chamber 19.
To block. As a result, the rear hydraulic chamber 11 of the main valve 10 has a small hole.
Since the hydraulic pressure flowing from 14 becomes equal to the hydraulic pressure on the upstream side 6, the main valve 10 closes the opening 13 of the flow path by the biasing force of the spring 12 to temporarily stop the liquid supply.
このような状態になると、給液停止検知手段41ほ流路パ
ルス発信器34からの出力信号をもとに給液停止を検知
し、その信号により計時手段42をセットするとともに、
モータ制御手段43に信号を送ってポンプモータ37を停止
させる。In such a state, the liquid supply stop detection means 41 detects the liquid supply stop based on the output signal from the flow path pulse transmitter 34, and sets the timing means 42 by the signal,
A signal is sent to the motor control means 43 to stop the pump motor 37.
一方この給液停止により陰圧発生部50において生じてい
た負圧もなくなるため、ダイヤフラム24は自己に作用す
るバネ25に付勢されて再び第2図(a)に示すようなも
との状態に復帰し、これと一体をなす第1の弁21を引上
げて第2の液室19に通じる通孔18を開放する。On the other hand, since the negative pressure generated in the negative pressure generating section 50 disappears due to the stop of the liquid supply, the diaphragm 24 is biased by the spring 25 acting on itself, and the original state as shown in FIG. Then, the first valve 21 which is integral therewith is pulled up to open the through hole 18 leading to the second liquid chamber 19.
ついで、予じめ設定された時間、つまりタンク内のアワ
が消えるまでの2〜3秒の時間が経過すると、計時手段
42からの信号によりモータ制御手段43は給液流量を例え
ば50/minから20/minに減少させるような速度で再び
ポンプモータを始動させる。Then, when a preset time, that is, a time of 2 to 3 seconds until the bubbles in the tank disappear, the time measuring means
In response to the signal from 42, the motor control means 43 restarts the pump motor at a speed that reduces the liquid supply flow rate from 50 / min to 20 / min, for example.
このため、給液ポンプにより流路の上流側6に送り込ま
れた液は、上述したと同様にダイヤフラム10を押上げて
開口部13から筒先部4を経てタンク内に流入する。Therefore, the liquid fed into the upstream side 6 of the flow path by the liquid supply pump pushes up the diaphragm 10 and flows into the tank from the opening 13 through the cylinder tip portion 4 in the same manner as described above.
そして、タンク内の液位がさらに上昇して再びタンク内
のアワにより筒先部4の先端に開口した空気流路管23が
閉塞されると、いまと同様の動作を繰返して、例えば20
/minから5/minに減じた流量によりさらにタンク内
に継続的な給液を行ない、これが3、4回繰返される
と、モータ制御手段43は、タンク内が満タンになったも
のと見なして計時手段42からの以後の信号受信すること
なくポンプモータ37を停止させて、すべての給液を終え
る。Then, when the liquid level in the tank further rises and the air flow tube 23 opened at the tip of the cylinder tip portion 4 is closed again by the bubbles in the tank, the same operation as above is repeated, for example, 20
By continuously supplying liquid into the tank with the flow rate reduced from / min to 5 / min, and repeating this three or four times, the motor control means 43 considers that the tank is full. The pump motor 37 is stopped without receiving a subsequent signal from the timing means 42, and all liquid supply is completed.
そして最後に操作レバー29をラッチ31から外すと、操作
レバー29により押上げられていた第2の弁27は、バネ28
に付勢されて流路の下流側7に通じる通孔20を閉じて第
1図に示す当初の状態に復帰する。Then, when the operating lever 29 is finally released from the latch 31, the second valve 27 pushed up by the operating lever 29 moves to the spring 28.
Is forced to close the through hole 20 communicating with the downstream side 7 of the flow path to return to the initial state shown in FIG.
ところで、以上の説明は満タン給液装置として構成した
実施例についてのものであるが、一時給液停止後の再給
液時に計数手段44から整数信号を出力させ、この整数信
号によりポンプモータ37を停止させるような整数量給液
停止機能を付与した給液装置にも本発明を適用すること
ができる。また、一時給液停止後に行なう給液流量の減
少手段としては、ポンプモータ37の回転数制御以外に、
給液経路の一部に設けた弁の開度制御により行なうこと
もできる。By the way, although the above description is for the embodiment configured as a full tank liquid supply device, an integer signal is output from the counting means 44 at the time of re-liquid supply after the temporary liquid supply is stopped, and the pump motor 37 is generated by this integer signal. The present invention can also be applied to a liquid supply device provided with an integer amount liquid supply stop function for stopping. Further, as means for reducing the liquid supply flow rate after the temporary liquid supply is stopped, in addition to the rotation speed control of the pump motor 37,
It can also be performed by controlling the opening degree of a valve provided in a part of the liquid supply path.
(効果) 以上の述べたように本発明によれば、流路を開閉する主
弁の下流側に、主弁の液圧室と流路の下流側を結ぶ通路
を閉塞する第1の自動弁と第2の手動弁とからなる主弁
開閉機構を配設するようようにしたので、反復満タン給
液操作を主弁とは別の主弁開閉機構によって行わせるこ
とができて、装置を大巾に簡素化することができるとと
もに、その動作をより確実に行わせることができるばか
りでなく、給液ノズルの閉止に伴う給液停止と、その後
の一定時間経過後に流量を絞って給液を行うことによ
り、最初に給液操作を行えば以後の満タン給液動作を自
動的に繰換えし行わせて、この種の給液作業のより大巾
な省力化を図ることができる。(Effect) As described above, according to the present invention, the first automatic valve that closes the passage connecting the hydraulic chamber of the main valve and the downstream side of the flow path is provided on the downstream side of the main valve that opens and closes the flow path. Since the main valve opening / closing mechanism including the second manual valve and the second manual valve is provided, the repetitive full tank liquid supply operation can be performed by the main valve opening / closing mechanism different from the main valve, and the device is Not only can it be greatly simplified and its operation can be performed more reliably, but also the liquid supply can be stopped by closing the liquid supply nozzle, and after a certain period of time, the flow rate can be reduced to supply liquid. By performing the liquid supply operation, by performing the liquid supply operation for the first time, the subsequent full tank liquid supply operation is automatically repeated, and the labor saving of the liquid supply operation of this type can be achieved to a greater extent.
図面はいずれも本発明の一実施例を示したもので、第1
図は断面で示した装置の側面図、第2図(a)(b)は
同上装置の動作を示した図、第3図は給液装置を示す
図、第4図は制御装置を示す図である。 1……ノズル本体、10……主弁 15……主弁開閉機構、16……通路 21……第1の弁、27……第2の弁 22……自動閉弁機構、29……操作レバーThe drawings each show an embodiment of the present invention.
The figure is a side view of the device shown in cross section, FIGS. 2 (a) and 2 (b) are diagrams showing the operation of the same device, FIG. 3 is a diagram showing a liquid supply device, and FIG. 4 is a diagram showing a control device. Is. 1 ... Nozzle body, 10 ... Main valve 15 ... Main valve opening / closing mechanism, 16 ... Passage 21 ... First valve, 27 ... Second valve 22 ... Automatic valve closing mechanism, 29 ... Operation lever
Claims (1)
ズルに、付勢部材により常時流路を閉塞する方向に付勢
された主弁を配設して、該主弁の液圧室の一方を小孔を
介して上記流路の上流側に、他方の通路を介して上記流
路の下流側にそれぞれ連通させるとともに、上記主弁の
下流側に、ノズル先端近傍と上記流路内の負圧発生部に
開口する空気流路管に連通して該管内に生じる負圧によ
り上記通路を閉塞する第1の弁と、操作レバーに操作さ
れて上記通路を閉塞する第2の弁とを備えた主弁開閉機
構を配設する一方、上記計量装置側には、給液停止検知
手段からの信号により給液を停止し、その後の計時手段
からの信号により一定時間後に吐出量を絞りつつ給液を
開始する上記給液ポンプを配設したことを特徴とする給
液装置。1. A liquid supply nozzle communicating with an oil supply pump on the side of a metering device is provided with a main valve urged by a urging member in a direction to always close a flow passage, and a hydraulic chamber of the main valve. One of them is connected to the upstream side of the flow path through a small hole, and is connected to the downstream side of the flow path through the other passage, respectively, and at the downstream side of the main valve, in the vicinity of the nozzle tip and in the flow path. A first valve that communicates with an air flow pipe that opens to the negative pressure generating portion and closes the passage by a negative pressure generated in the pipe, and a second valve that is operated by an operating lever to close the passage. While the main valve opening / closing mechanism provided with is arranged, the metering device side stops the liquid supply in response to a signal from the liquid supply stop detection means, and the discharge amount is throttled after a fixed time by a signal from the time measuring means thereafter. A liquid supply device, characterized in that the liquid supply pump for starting liquid supply is arranged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62024249A JPH0764396B2 (en) | 1987-02-03 | 1987-02-03 | Liquid supply device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62024249A JPH0764396B2 (en) | 1987-02-03 | 1987-02-03 | Liquid supply device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63191800A JPS63191800A (en) | 1988-08-09 |
JPH0764396B2 true JPH0764396B2 (en) | 1995-07-12 |
Family
ID=12132968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62024249A Expired - Lifetime JPH0764396B2 (en) | 1987-02-03 | 1987-02-03 | Liquid supply device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0764396B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006075440A1 (en) * | 2005-01-11 | 2006-07-20 | Nec Corporation | Piezoelectric actuator and electronic device |
WO2007060768A1 (en) | 2005-11-24 | 2007-05-31 | Murata Manufacturing Co., Ltd. | Electroacoustic transducer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915100A (en) * | 1982-07-09 | 1984-01-26 | 株式会社東京タツノ | Method of supplying liquid |
-
1987
- 1987-02-03 JP JP62024249A patent/JPH0764396B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63191800A (en) | 1988-08-09 |
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Legal Events
Date | Code | Title | Description |
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EXPY | Cancellation because of completion of term |