EP0088036A1 - Double-wall container of which one of the walls is flexible and retractable - Google Patents

Double-wall container of which one of the walls is flexible and retractable Download PDF

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Publication number
EP0088036A1
EP0088036A1 EP83430008A EP83430008A EP0088036A1 EP 0088036 A1 EP0088036 A1 EP 0088036A1 EP 83430008 A EP83430008 A EP 83430008A EP 83430008 A EP83430008 A EP 83430008A EP 0088036 A1 EP0088036 A1 EP 0088036A1
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EP
European Patent Office
Prior art keywords
liquid
double
tank
filling
valve
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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.)
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Application number
EP83430008A
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German (de)
French (fr)
Inventor
Jean Pierre Quaglia
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Individual
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Individual
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Publication date
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Publication of EP0088036A1 publication Critical patent/EP0088036A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/58—Large containers characterised by means facilitating filling or emptying by displacement of walls
    • B65D88/60—Large containers characterised by means facilitating filling or emptying by displacement of walls of internal walls
    • B65D88/62—Large containers characterised by means facilitating filling or emptying by displacement of walls of internal walls the walls being deformable

Definitions

  • the subject of the invention is a double-walled tank for a bulk product in the liquid or pulverulent state comprising a retractable flexible wall thus allowing the successive use of the same tank for non-compatible products.
  • the JANDEC patent N ° 80 13771 published under N ° 2 484 964 describes a tank for the storage of fluids comprising a watertight flexible pocket placed inside the rigid envelope forming the tank and hung in the vicinity of the upper part of said envelope.
  • Means for lifting the flexible bag make it possible to at least partially release the interior volume of the rigid envelope for the use of the latter, sealed means for connection to said flexible bag for direct filling and emptying of the latter and closable means of access to said connection means through said rigid casing.
  • This JANDEC patent describes a means for lifting the flexible bag which acts as a secondary reservoir.
  • the lifting means consists of a set of cables and pulleys. It is quickly understandable that this lifting means is too complicated to implement, too expensive, unreliable and above all unusable in everyday practice.
  • the tank according to the invention comprises a flexible retractable waterproof pocket of the same shape as said tank, the pocket is connected to a double waterproof valve, one valve controls the air purge and the other valve of which is connected to a probe which plunges into said pocket, over a length close to two thirds of the height of said tank. Said probe is perforated over part of its length and is terminated by means acting as a strainer.
  • the air purge valve controls a fairly wide opening whose tip is short and on which the orifice of the sealed flexible bag is fixed, the second valve preferably comes to control the filling orifice which passes through said probe which, coaxially at the opening of the air purge, sinks inside the tank.
  • the secondary tank consisting of the waterproof flexible bag has no need for lifting means to free up the space and allow the use of the main tank.
  • the main tank (1) comprises, as usual, a filling orifice (2) and a drainage orifice (3) possibly fitted with a tap (4).
  • a filling orifice (2) Preferably, at the top of the main tank (1) an orifice (5) is provided for the installation of the double valve (6) (7).
  • the valve (7) is the valve on which the opening (5) is located and on which is fixed the orifice of the flexible seal pocket (8).
  • the valve (7) controls the orifice (9) which allows the air to be purged.
  • valve (6) controls the emptying and filling orifice of the secondary tank (10).
  • valve (6) controls the opening and closing of the passage to a probe (11).
  • This probe (11) may include in particular in its lower part, holes (12).
  • a means acting as a strainer (13) comes to prevent, at the time of emptying, the walls of the pocket from pressing against the holes (12) and thus clogging them.
  • the main tank is not modified, except in certain specific cases where the residues of the
  • the process for filling and emptying the flexible tank (10) is as follows:
  • the tank has never been filled: it is necessary to inject the liquid through the filling valve (6), after having taken care to open the air purge valve (7).
  • the liquid leaves through the purge valve it must be locked and supplemented, if necessary, until the liquid, inside the flexible tank (10) reaches the volume of the main tank (1) , complete filling of the flexible or secondary tank (10) is not essential, after having purged the air for the proper functioning of the process.
  • the drain valve (4) has a large flow through its orifice (3), it may be necessary to have another strainer (15) which prevents the pocket or flexible tank (8) from being driven in the orifice (3) when emptying the main tank (1) and plugging it.
  • anti-roll devices compartmentalize the main tank.
  • a secondary tank or flexible waterproof bag with its double valve This embodiment is not shown in the figures.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

Double-wall container for bulk products in the liquid or pulverulent state. The sealed flexible pouch (8) is retractable when emptying out the liquid it contains without allowing air to enter; the orifice (5) emerges into a double sealed valve, the valve (7) of which serves as an orifice (9) for purging air, while a second valve (6) which is used for filling up with and emptying out the liquid is coaxially arranged. Transportation or storage of fluids. <IMAGE>

Description

L'invention a pour objet un réservoir à double parois pour un produit en vrac à l'état liquide ou pulvérulent comportant une paroi souple rétractable permettant ainsi l'utilisation successivement dudit même réservoir pour des-produits non compatibles.The subject of the invention is a double-walled tank for a bulk product in the liquid or pulverulent state comprising a retractable flexible wall thus allowing the successive use of the same tank for non-compatible products.

Le brevet JANDEC N° 80 13771 publié sous le N° 2 484 964 décrit une citerne pour le stockage des fluides comprenant une poche souple étanche disposée à l'intérieur de l'enveloppe rigide formant la citerne et accrochée au voisinage de la partie supérieure de ladite enveloppe. Des moyens de relevage de la poche souple permettent de libérer au moins partiellement le volume intérieur de l'enveloppe rigide pour l'utilisation de cette dernière, des moyens étanches de raccordement à ladite poche souple pour le remplissage direct et le vidage de cette dernière et desmoyens obturables d'accès audits moyens de raccordement à travers ladite enveloppe rigide. Ce brevet JANDEC décrit un moyen de relevage de la poche souple qui fait office de réservoir secondaire. Le moyen de relevage consiste en un jeu de câbles et de poulies. Il est rapidement compréhensible que ce moyen de relevage est trop compliqué à mettre en oeuvre, trop onéreux, peu fiable et surtout inutilisable dans la pratique quotidienne.The JANDEC patent N ° 80 13771 published under N ° 2 484 964 describes a tank for the storage of fluids comprising a watertight flexible pocket placed inside the rigid envelope forming the tank and hung in the vicinity of the upper part of said envelope. Means for lifting the flexible bag make it possible to at least partially release the interior volume of the rigid envelope for the use of the latter, sealed means for connection to said flexible bag for direct filling and emptying of the latter and closable means of access to said connection means through said rigid casing. This JANDEC patent describes a means for lifting the flexible bag which acts as a secondary reservoir. The lifting means consists of a set of cables and pulleys. It is quickly understandable that this lifting means is too complicated to implement, too expensive, unreliable and above all unusable in everyday practice.

L'invention évite tous ces inconvénients. Elle permet de rapidement changer de réservoir, entre le réservoir principal et le réservoir souple. De plus, elle peut s'adapter à des cuves déjà en service. A cet effet, le réservoir selon l'invention comporte une poche souple étanche rétractable de même forme que ledit réservoir, la poche est branchée sur une double vanne étanche dont une vanne commande la purge d'air et dont l'autre vanne est branchée sur une sonde qui plonge dans ladite poche, sur une longueur voisine des deux tiers de la hauteur dudit réservoir. Ladite sonde est perforée sur une partie de sa longueur et est terminée par un moyen faisant office de crépine.The invention avoids all these drawbacks. It allows you to quickly change the tank, between the main tank and the flexible tank. In addition, it can be adapted to tanks already in service. For this purpose, the tank according to the invention comprises a flexible retractable waterproof pocket of the same shape as said tank, the pocket is connected to a double waterproof valve, one valve controls the air purge and the other valve of which is connected to a probe which plunges into said pocket, over a length close to two thirds of the height of said tank. Said probe is perforated over part of its length and is terminated by means acting as a strainer.

De préférence, la vanne de purge d'air commande une ouverture assez large dont l'embout est court et sur lequel est fixé l'orifice de la poche souple étanche, la seconde vanne vient de préférence commander l'orifice de remplissage qui passe par ladite sonde qui vient, coaxialement à l'ouverture de la purge d'air, s'enfoncer à l'intérieur du réservoir.Preferably, the air purge valve controls a fairly wide opening whose tip is short and on which the orifice of the sealed flexible bag is fixed, the second valve preferably comes to control the filling orifice which passes through said probe which, coaxially at the opening of the air purge, sinks inside the tank.

Comme on peut le constater le réservoir secondaire constitué de la poche souple étanche n'a aucunement besoin de moyens de relevage pour libérer l'espace et permettre l'utilisation du réservoir principal.As can be seen, the secondary tank consisting of the waterproof flexible bag has no need for lifting means to free up the space and allow the use of the main tank.

Les dessins ci-joints donnés à titre d'exemple indicatif et non limitatif permettront aisément de comprendre l'invention. Ils représentent un mode de réalisation préféré selon l'invention.The attached drawings given by way of indicative and non-limiting example will easily make it possible to understand the invention. They represent a preferred embodiment according to the invention.

  • La figure(1) est une vue en coupe du réservoir selon l'invention, dans lequel le réservoir principal est en service.Figure (1) is a sectional view of the tank according to the invention, in which the main tank is in service.
  • La figure (2) est une vue en coupe du réservoir selon l'invention dans lequel le réservoir secondaire est en service.Figure (2) is a sectional view of the tank according to the invention in which the secondary tank is in service.
  • La figure (3) est une vue de détail des vannes de remplissage et de purge d'air et de la sonde.Figure (3) is a detailed view of the air fill and vent valves and the probe.

Le réservoir principal (1) comporte, comme d'habitude, un orifice de remplissage (2) et un orifice de vidange (3) muni éventuellement d'un robinet (4). De préférence, au sommet du réservoir principal (1) un orifice (5) est prévu pour la mise en place de ladouble vanne (6) (7). La vanne (7) est la vanne sur laquelle se trouve l'ouverture (5) et sur laquelle est fixé l'orifice de la poche souple étache (8). La vanne (7) commande l'orifice (9) qui permet la purge de l'air.The main tank (1) comprises, as usual, a filling orifice (2) and a drainage orifice (3) possibly fitted with a tap (4). Preferably, at the top of the main tank (1) an orifice (5) is provided for the installation of the double valve (6) (7). The valve (7) is the valve on which the opening (5) is located and on which is fixed the orifice of the flexible seal pocket (8). The valve (7) controls the orifice (9) which allows the air to be purged.

Coaxialement à l'orifice (9), la vanne (6) commande l'orifice de vidange et de remplissage du réservoir secondaire (10).Coaxial with the orifice (9), the valve (6) controls the emptying and filling orifice of the secondary tank (10).

A cet effet, la vanne (6) commande l'ouverture et la fermeture du passage à une sonde (11). Cette sonde (11) peut comporter notamment dans sa partie inférieure, des trous (12). De plus, un moyen faisant office de crépine (13) vient empêcher, au moment de la vidange, les parois de la poche de venir se plaquer contre les trous (12) et ainsi les boucher.To this end, the valve (6) controls the opening and closing of the passage to a probe (11). This probe (11) may include in particular in its lower part, holes (12). In addition, a means acting as a strainer (13) comes to prevent, at the time of emptying, the walls of the pocket from pressing against the holes (12) and thus clogging them.

Comme on peut le constater, le réservoir principal n'est pas modifié, sauf dans certains cas spécifiques où les résidus duAs can be seen, the main tank is not modified, except in certain specific cases where the residues of the

liquide transporté dans ladite cuve, dégageraient des gaz par la compression.liquid transported in said tank, would give off gases by compression.

Dans cette optique, et uniquement dans cette optique, il est nécessaire de prévoir un doublage (14) du réservoir principal (1) par une cuve (14) en métal rigide percée de trous non représentés sur les figures, de manière à tenir compte des épaisseurs de résidus pouvant s'accumuler sur les parois du réservoir principal (1) et maintenir ainsi une ventilation parfaite.With this in mind, and only with this in mind, it is necessary to provide a lining (14) of the main tank (1) by a tank (14) of rigid metal pierced with holes not shown in the figures, so as to take account of the thicknesses of residue that can accumulate on the walls of the main tank (1) and thus maintain perfect ventilation.

Le procédé de remplissage et de vidange du réservoir souple (10) est le suivant :The process for filling and emptying the flexible tank (10) is as follows:

Si le réservoir n'a jamais été rempli : il est nécessaire d'injecter le liquide par la vanne de remplissage (6), après avoir pris la précaution d'ouvrir la vanne de purge d'air (7). Lorsque le liquide sort par la vanne de purge, il faut verrouiller celle-ci et compléter, le cas échéant, jusqu'à ce que le liquide, à l'intérieur du réservoir souple (10) atteigne le volume du réservoir principal (1), le remplissage complet du réservoir souple ou secondaire (10) n'est pas indispensable, après avoir purgé l'air pour le bon fonctionnement du procédé.If the tank has never been filled: it is necessary to inject the liquid through the filling valve (6), after having taken care to open the air purge valve (7). When the liquid leaves through the purge valve, it must be locked and supplemented, if necessary, until the liquid, inside the flexible tank (10) reaches the volume of the main tank (1) , complete filling of the flexible or secondary tank (10) is not essential, after having purged the air for the proper functioning of the process.

Si le réservoir a déjà été rempli : mettre la quantité de liquide désiré, par la vanne de remplissage (6) sans avoir à ouvrir la purge d'air (7).If the tank has already been filled: add the desired quantity of liquid through the filling valve (6) without having to open the air vent (7).

Vidange du réservoir souple (10) : par la vanne de remplissage (6), il faut pomper le liquide sans ouvrir la purge d'air étant donné qu'il n'y a plus d'air à l'intérieur de la poche souple (10), celle-ci va se rétracter jusqu'à ce qu'il n'y ait plus de liquide à l'intérieur et que l'espace et le volume du réservoir principal (1) soit libre et prêt pour le remplissage par un autre liquide et ce, très rapidement puisqu'il n'est pas utile de rincer les réservoirs.Emptying the flexible tank (10): by means of the filling valve (6), the liquid must be pumped without opening the air purge since there is no more air inside the flexible bag (10), it will shrink until there is no more liquid inside and the space and volume of the main tank (1) is free and ready for filling by another liquid and this very quickly since it is not useful to rinse the tanks.

Dans le cas où le robinet de vidange (4) a un gros débit par son orifice (3), il peut être nécessaire de disposer une autre crépine (15) qui évite à la poche ou réservoir souple (8) d'être entrainé dans l'orifice (3) lors de la vidange du réservoir principal (1) et de le boucher.In the case where the drain valve (4) has a large flow through its orifice (3), it may be necessary to have another strainer (15) which prevents the pocket or flexible tank (8) from being driven in the orifice (3) when emptying the main tank (1) and plugging it.

De même, dans le cas de grand réservoir prévu pour du matériel roulant, des dispositifs anti-roulis compartimentent le réservoir principal. Dans ce cas, il est nécessaire de prévoir, pour chaque compartiment ou chaque logement, même si ceux ci communiquent entre eux vers le fond, un réservoir secondaire ou poche souple étanche avec sa double valve. Cette réalisation n'est pas représentée sur les figures.Similarly, in the case of a large tank intended for rolling stock, anti-roll devices compartmentalize the main tank. In this case, it is necessary to provide, for each compartment or each housing, even if these communicate with each other towards the bottom, a secondary tank or flexible waterproof bag with its double valve. This embodiment is not shown in the figures.

Claims (7)

1. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent caractérisé par le fait que la vanne (6) de remplissage et de vidange du liquide se prolonge par un seul tube faisant office de sonde (11), à la fois de remplissage et de vidange, de manière à réduire au maximum la quantité de résidus sans avoir à effectuer de purge à chaque opération.1. - Double-walled tank for bulk products in the liquid or pulverulent state characterized in that the valve (6) for filling and draining the liquid is extended by a single tube acting as a probe (11), both filling and emptying, so as to minimize the amount of residue without having to purge each operation. 2. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon la revendication (1) caractérisé par le fait que le tube faisant office de sonde (11), à la fois de remplissage et de vidange comporte, à son extrémité inférieure, une crépine (13)2. - Double-walled tank for bulk products in the liquid or pulverulent state according to claim (1) characterized in that the tube acting as probe (11), both for filling and emptying comprises, at its lower end, a strainer (13) 3. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon la revendication (1) ou (2) caractérisé par le fait que la partie inférieure du tube unique, faisant office de sonde (11), de remplissage et de vidange, comporte des trous (12).3. - Double-walled tank for bulk products in liquid or pulverulent state according to claim (1) or (2) characterized in that the lower part of the single tube, acting as a probe (11), filling and drain, has holes (12). 4. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon quelconque des revendications (1), (2) ou (3) caractérisé par le fait que la sonde (11) de remplissage et de vidange mesure environ les deux tiers de la hauteur du réservoir principal (1).4. - Double-walled tank for bulk products in liquid or pulverulent state according to any one of claims (1), (2) or (3) characterized in that the probe (11) for filling and emptying measures approximately two-thirds of the height of the main tank (1). 5. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon l'une quelconque des revendications (1), (2) (3) ou (4), caractérisé par le fait que si 1e réservoir principal (1) comporte des dispositifs anti-roulis, qui le cloisonnent même partiellement, il est nécessaire de mettre en place autant de réservoirs secondaires ou poches souples étanches (8).5. - Double-walled tank for bulk products in the liquid or pulverulent state according to any one of claims (1), (2) (3) or (4), characterized in that if the 1st main tank ( 1) has anti-roll devices, which even partially partition it, it is necessary to put in place as many secondary tanks or watertight flexible bags (8). 6. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon l'une quelconque des revendications (1), (2), (3), (4) ou (5) caractérisé par le fait que la tubulure de l'orifice (9) de l'évacuation d'air vient au raz des limites intérieures et supérieures de la poche souple (8), de manière à ce qu'il ne reste plus d'air à l'intérieur de la poche los du premier remplissage.6. - Double-walled tank for bulk products in the liquid or pulverulent state according to any one of claims (1), (2), (3), (4) or (5) characterized in that the air outlet port (9) comes flush with the inner and upper limits of the flexible bag (8), so that no more remains of air inside the bag los of the first filling. 7. - Réservoir à double paroi pour produits en vrac à l'état liquide ou pulvérulent selon l'une quelconque des revendications (1), (2), (3) (4), (5) ou (6) caractérisé par le fait que le réservoir secondaire est formé par une poche souple étanche rétractable dont l'orifice (5) vient déboucher dans une double vanne étanche dont la vanne (7) sert d'orifice (9) pour la purge d'air, tandis que vient, coaxialement disposée, une seconde vanne (6) qui sert à la fois au remplissage et à la vidange du liquide en commandant l'ouverture et la fermeture d'un seul tube.7. - Double-walled tank for bulk products in the liquid or pulverulent state according to any one of claims (1), (2), (3) (4), (5) or (6) characterized by the fact that the secondary tank is formed by a flexible retractable watertight pocket, the orifice (5) of which opens into a double watertight valve, the valve (7) of which serves as an orifice (9) for air purging, while comes , coaxially arranged, a second valve (6) which is used both for filling and draining the liquid by controlling the opening and closing of a single tube.
EP83430008A 1982-02-26 1983-02-25 Double-wall container of which one of the walls is flexible and retractable Withdrawn EP0088036A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8203473 1982-02-26
FR8203473A FR2522311B1 (en) 1982-02-26 1982-02-26 DOUBLE WALL TANK FOR BULK PRODUCTS IN LIQUID OR POWDER CONDITION COMPRISING A FLEXIBLE RETRACTABLE WATERPROOF LET ALLOWING SUCCESSIVE USE OF THE SAME TANK FOR NON-COMPATIBLE PRODUCTS

Publications (1)

Publication Number Publication Date
EP0088036A1 true EP0088036A1 (en) 1983-09-07

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EP83430008A Withdrawn EP0088036A1 (en) 1982-02-26 1983-02-25 Double-wall container of which one of the walls is flexible and retractable

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EP (1) EP0088036A1 (en)
FR (1) FR2522311B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002064456A1 (en) * 2001-02-12 2002-08-22 Flextank Pty Ltd Liquid food and wine storage bladder within a container
WO2011064294A1 (en) * 2009-11-26 2011-06-03 Enosis S.R.L. Device for protecting a liquid from oxidation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113025451A (en) * 2021-04-08 2021-06-25 贵州茅台酒厂（集团）习酒有限责任公司 Cellar for storing things pond sealing device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294285B (en) * 1964-10-30 1969-04-30 Paton Hamilton Neil King Unloading and loading device for a horizontally stretched bulk goods container
DE2130425A1 (en) * 1971-06-19 1972-12-21 Arno Reimann Plastic lined fuel tank - using discrete lining bag fitted after fabrication of outer tank
AT328360B (en) * 1970-04-28 1976-03-25 Fabricated Metals CONTAINER FOR LIQUIDS OR BULK MATERIAL

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294285B (en) * 1964-10-30 1969-04-30 Paton Hamilton Neil King Unloading and loading device for a horizontally stretched bulk goods container
AT328360B (en) * 1970-04-28 1976-03-25 Fabricated Metals CONTAINER FOR LIQUIDS OR BULK MATERIAL
DE2130425A1 (en) * 1971-06-19 1972-12-21 Arno Reimann Plastic lined fuel tank - using discrete lining bag fitted after fabrication of outer tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002064456A1 (en) * 2001-02-12 2002-08-22 Flextank Pty Ltd Liquid food and wine storage bladder within a container
WO2011064294A1 (en) * 2009-11-26 2011-06-03 Enosis S.R.L. Device for protecting a liquid from oxidation

Also Published As

Publication number Publication date
FR2522311A1 (en) 1983-09-02
FR2522311B1 (en) 1985-09-20

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