EP0696546A1 - Vessel with plastic pocket - Google Patents

Vessel with plastic pocket Download PDF

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Publication number
EP0696546A1
EP0696546A1 EP95401837A EP95401837A EP0696546A1 EP 0696546 A1 EP0696546 A1 EP 0696546A1 EP 95401837 A EP95401837 A EP 95401837A EP 95401837 A EP95401837 A EP 95401837A EP 0696546 A1 EP0696546 A1 EP 0696546A1
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EP
European Patent Office
Prior art keywords
tank
pocket
fixed
cylindrical part
pouch
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.)
Withdrawn
Application number
EP95401837A
Other languages
German (de)
French (fr)
Inventor
Jean Langlois
Fabrice Grehan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Exos A Responsabilite Ltee Ste
Original Assignee
Exos A Responsabilite Ltee Ste
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Exos A Responsabilite Ltee Ste filed Critical Exos A Responsabilite Ltee Ste
Publication of EP0696546A1 publication Critical patent/EP0696546A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/04—Linings
    • B65D90/046—Flexible liners, e.g. loosely positioned in the container
    • 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 present invention relates to tanks and in particular to those used in service stations or on tank-vehicles as storage tanks for dispensing petroleum fuels and which, for reasons of strength and ease of manufacture, preferably consist of: '' a cylindrical part closed at both ends by spherical or flat caps.
  • the tankers supplying a station store the fuels to be distributed in these tanks.
  • the petrol vapors which have formed on contact with the air inside these tanks are expelled from them during filling and are thus returned to the atmosphere. Fuel losses are estimated to be 0.17%.
  • a tank has also been proposed which contains a pocket made of flexible material defining two separate compartments inside the tank, a vent opening into the tank compartment which is outside the pocket, for example in document WO 82/03847 where a closed pocket has an opening tightly fixed around the periphery of a corresponding opening of the tank formed in the lower part thereof.
  • This device has the drawback that, on the one hand, the pocket can twist when it is empty, in particular in the case of a large pocket and, on the other hand, the tight connection between the opening of the pocket. and the opening of the tank undergoes during filling and filling of high stresses which reduce the life of this type of device.
  • a tank comprising two flexible partitions each fixed inside the tank along two generators which are not diametrically opposite but which are in the same vertical plane, which define a first compartment located inside the two flexible partitions and a second and third compartment located inside the tank and outside the first compartment.
  • An inlet opening and an outlet opening for the first compartment are disposed respectively on the top of the compartment and in the bottom of the compartment.
  • the invention relates to a tank which eliminates losses of hydrocarbons and their emission into the atmosphere while ensuring a longer service life and greater reliability.
  • the tank which is made up of a rigid cylindrical part closed at both ends by rigid spherical or flat caps and comprising a closed pocket made of flexible material, a vent opening into the part of the tank outside the pocket, is characterized in that the pocket is fixed to the tank along two generatrices of the cylindrical part, which are in the same substantially horizontal plane.
  • the attachment of the bag along two generators in a horizontal plane makes it possible to ensure not only that the volume of air contained by the bag when it is empty of liquid is substantially zero but also that the stresses undergone by the seals sealing at the inlet or outlet opening of the pocket are minimized. In addition the pocket can not twist.
  • the cradle By providing a pocket, it dispenses with any fixing along the spherical caps whose spherical shape is only approximate.
  • the fixing along two generators in a substantially horizontal plane of the cylindrical part can be carried out very easily without damaging the wall of the tank, by providing a cradle of rigid material hugging the bottom of the cylindrical part, the pocket being attached to both edges of the cradle.
  • the cradle is simply formed, made up of several parts so that it can pass through the manhole in the cylindrical part and it is placed on the bottom of this cylindrical part, so that its two edges extend along the two generatrices in a substantially horizontal plane of the cylindrical part. It is then very simple to fix the pocket in flexible material, in particular in plastic, on the two edges of the cradle which is immobilized in the tank.
  • the pocket defines a sock surrounding a set of pipes entering the tank from above and intended to fill and empty the tank.
  • the sock can be fixed on a base perpendicular to a pipe and which is fixed there. This ensures sealing between the pocket and the pipes which penetrate inside the latter.
  • the tank according to the invention consists of a cylindrical part 1 made of steel, closed at both ends by spherical caps 2, 3 also made of steel. Part 1 is provided at the top with a vent 4.
  • a cradle made of rigid material and made up of several pieces, designated by the general reference 5, comprises arches 6 adapted to the shape of the bottom of the tank, and two edges 7, 8, which come along two generators 9 diametrically opposite of the part 1.
  • the edges 8 consist of profiles in which can be inserted a section secured to a pocket 10 closed in flexible plastic.
  • the fuel is introduced only into the pocket 10 so that the vent 4 communicates only with the part inside the tank which is located outside of the pocket and which does not contain fuel.
  • the bag deforms, it does not matter that it badly adapts to caps 2 and 3, since no sealing must be ensured between the bag and the caps, since the pocket, because it is closed, prevents any passage of fuel through the space outside the pocket.
  • the pocket being held along the two generators can no longer twist.
  • the tank according to the invention constitutes the tank of a tank vehicle, it provides greater safety in the event of an accident.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The fuel tank has a rigid cylindrical part (1) which is closed at its two ends by spherical domes (2,3) or rigid plates. A closed pouch (10) in a flexible material is inside the tank. The pouch is fixed along two tank generating lines (9) in the same horizontal plane. A rigid cradle fits the bottom of the cylindrical part and the pouch is fixed on the two edges of this cradle. A pipe assembly (11) penetrates into the tank from the top through the pouch. The pouch forms a small sock (13), surrounding the pipe assembly, which is fixed on a flange (12) perpendicular to a pipe.

Description

La présente invention se rapporte aux cuves et notamment à celles utilisées dans les stations services ou sur les véhicules-citernes comme réservoirs de stockage pour distribuer des carburants pétroliers et qui, pour des raisons de résistance et de facilité de fabrication, sont constituées de préférence d'une partie cylindrique fermée aux deux extrémités par des calottes sphériques ou plates.The present invention relates to tanks and in particular to those used in service stations or on tank-vehicles as storage tanks for dispensing petroleum fuels and which, for reasons of strength and ease of manufacture, preferably consist of: '' a cylindrical part closed at both ends by spherical or flat caps.

Les camions-citernes qui ravitaillent une station dépotent dans ces cuves les carburants à distribuer. Les vapeurs d'essence qui se sont formées au contact de l'air à l'intérieur de ces cuves en sont chassées lors des remplissages et sont ainsi renvoyées dans l'atmosphère. On estime que les pertes de carburant s'élèvent à 0,17 %. En outre, il est souhaitable, pour la protection de l'environnement, de limiter les renvois de vapeur d'hydrocarbures dans l'atmosphère.The tankers supplying a station store the fuels to be distributed in these tanks. The petrol vapors which have formed on contact with the air inside these tanks are expelled from them during filling and are thus returned to the atmosphere. Fuel losses are estimated to be 0.17%. In addition, for environmental protection, it is desirable to limit the return of hydrocarbon vapor to the atmosphere.

On a déjà proposé, à cet effet, de récupérer et de renvoyer ces vapeurs d'hydrocarbures dans le camion-citerne de livraison et de les retraiter dans des raffineries spécialement équipées. Cela entraîne des travaux importants sur la station à un coût très grand et une prise de risque supplémentaire liée au transport des gaz.It has already been proposed, for this purpose, to recover and return these hydrocarbon vapors to the delivery tanker and to reprocess them in specially equipped refineries. This leads to major work on the station at a very high cost and an additional risk-taking linked to the transport of gases.

On a aussi déjà proposé une cuve qui contient une poche en matière souple définissant deux compartiments distincts à l'intérieur de la cuve, un évent débouchant dans le compartiment de la cuve qui est extérieur à la poche, par exemple au document WO 82/03847 où une poche fermée comporte une ouverture fixée de manière étanche sur le pourtour d'une ouverture correspondante de la cuve ménagée dans la partie basse de celle-ci. Ce dispositif présente l'inconvénient que, d'une part, la poche peut se vriller lorsqu'elle est vide, en particulier dans le cas de poche de grande taille et d'autre part, la liaison étanche entre l'ouverture de la poche et l'ouverture de la cuve subit lors des remplissages et désemplissages de fortes contraintes qui diminuent la durée de vie de ce type de dispositif.A tank has also been proposed which contains a pocket made of flexible material defining two separate compartments inside the tank, a vent opening into the tank compartment which is outside the pocket, for example in document WO 82/03847 where a closed pocket has an opening tightly fixed around the periphery of a corresponding opening of the tank formed in the lower part thereof. This device has the drawback that, on the one hand, the pocket can twist when it is empty, in particular in the case of a large pocket and, on the other hand, the tight connection between the opening of the pocket. and the opening of the tank undergoes during filling and filling of high stresses which reduce the life of this type of device.

Au document EP-A-0 303 417, il est décrit une cuve comprenant deux cloisons souples fixées chacune à l'intérieur de la cuve le long de deux génératrices non diamétralement opposées mais se trouvant dans un même plan vertical, qui définissent un premier compartiment situé à l'intérieur des deux cloisons souples et un deuxième et troisième compartiment situés à l'intérieur de la cuve et à l'extérieur du premier compartiment. Une ouverture d'entrée et une ouverture de sortie pour le premier compartiment sont disposées respectivement sur le sommet du compartiment et dans le fond du compartiment. Compte tenu de cet agencement qui n'a pas de poche, le volume du premier compartiment n'est pas nul lorsqu'il est vidé du liquide qu'il contient et par conséquent, lors de l'opération de désemplissage ou de remplissage, une partie de l'air contenu dans le compartiment est mis en contact avec le liquide stocké et s'échappe par l'une des ouvertures, en provoquant des pertes de vapeur d'hydrocarbure.In document EP-A-0 303 417, a tank is described comprising two flexible partitions each fixed inside the tank along two generators which are not diametrically opposite but which are in the same vertical plane, which define a first compartment located inside the two flexible partitions and a second and third compartment located inside the tank and outside the first compartment. An inlet opening and an outlet opening for the first compartment are disposed respectively on the top of the compartment and in the bottom of the compartment. Taking into account this arrangement which has no pocket, the volume of the first compartment is not zero when it is emptied of the liquid which it contains and consequently, during the unfilling or filling operation, a part of the air contained in the compartment is brought into contact with the stored liquid and escapes through one of the openings, causing losses of hydrocarbon vapor.

L'invention vise une cuve qui supprime les pertes d'hydrocarbures et leur émission dans l'atmosphère tout en lui assurant une plus grande durée de vie et une plus grande fiabilité.The invention relates to a tank which eliminates losses of hydrocarbons and their emission into the atmosphere while ensuring a longer service life and greater reliability.

Suivant l'invention, la cuve qui est constituée d'une partie cylindrique rigide fermée aux deux extrémités par des calottes sphériques ou plates rigides et comportant une poche fermée en matière souple, un évent débouchant dans la partie de la cuve extérieure à la poche, est caractérisée en ce que la poche est fixée à la cuve le long de deux génératrices de la partie cylindrique, qui se trouvent dans un même plan sensiblement horizontal.According to the invention, the tank which is made up of a rigid cylindrical part closed at both ends by rigid spherical or flat caps and comprising a closed pocket made of flexible material, a vent opening into the part of the tank outside the pocket, is characterized in that the pocket is fixed to the tank along two generatrices of the cylindrical part, which are in the same substantially horizontal plane.

La fixation de la poche le long de deux génératrices dans un plan horizontal permet de s'assurer non seulement que le volume d'air contenu par la poche lorsqu'elle est vide de liquide est sensiblement nul mais aussi que les contraintes subies par les joints d'étanchéité à l'ouverture d'entrée ou de sortie de la poche sont minimisées. De plus la poche ne peut pas se vriller.The attachment of the bag along two generators in a horizontal plane makes it possible to ensure not only that the volume of air contained by the bag when it is empty of liquid is substantially zero but also that the stresses undergone by the seals sealing at the inlet or outlet opening of the pocket are minimized. In addition the pocket can not twist.

Au fur et à mesure que l'on vide la cuve, l'air qui jusqu'alors venait en contact avec l'hydrocarbure, emplit la partie de la cuve qui est à l'extérieur de la poche et reste ainsi séparé des hydrocarbures sans jamais s'y mélanger. Lorsqu'on remplit à nouveau la cuve d'hydrocarbures en envoyant de l'hydrocarbure dans la poche, l'air est expulsé à nouveau de la cuve par l'évent, mais comme il est resté séparé des hydrocarbures, ceux-ci ne vont pas à l'extérieur et il n'y a pas de perte. On aurait pu songer à se contenter de fixer simplement une membrane par ses bords le long de deux génératrices opposées de la partie cylindrique et le long des prolongements de ces génératrices sur les calottes sphériques. Mais ces travaux auraient nécessité au mieux des collages, puisque tout soudage est interdit, très difficiles à réaliser à l'intérieur de la cuve, surtout lorsque celle-ci est déjà en place. En prévoyant une poche, on se dispense de toute fixation le long des calottes sphériques dont la forme sphérique n'est qu'approximative. La fixation le long de deux génératrices dans un plan sensiblement horizontal de la partie cylindrique peut s'effectuer très facilement sans porter atteinte à la paroi de la cuve, en prévoyant un berceau en matière rigide épousant le bas de la partie cylindrique, la poche étant fixée sur les deux bords du berceau. Pour monter la poche on forme simplement le berceau, constitué de plusieurs parties afin de pouvoir le passer par le trou d'homme dans la partie cylindrique et on le dispose sur le fond de cette partie cylindrique, de manière que ses deux bords s'étendent le long des deux génératrices dans un plan sensiblement horizontal de la partie cylindrique. Il est alors très simple de fixer la poche en matière souple, notamment en matière plastique, sur les deux bords du berceau qui est immobilisé dans la cuve.As the tank is emptied, the air which hitherto came into contact with the hydrocarbon, fills the part of the tank which is outside the pocket and thus remains separated from the hydrocarbons without never mix with it. When the tank is refilled with hydrocarbons by sending hydrocarbon into the pocket, the air is expelled again from the tank by the vent, but since it has remained separated from the hydrocarbons, these will not not outside and there is no loss. We could have thought of simply fixing a membrane by its edges along two opposite generatrices of the cylindrical part and along the extensions of these generatrices on the spherical caps. But this work would have required bonding at best, since all welding is prohibited, very difficult to perform inside the tank, especially when the latter is already in place. By providing a pocket, it dispenses with any fixing along the spherical caps whose spherical shape is only approximate. The fixing along two generators in a substantially horizontal plane of the cylindrical part can be carried out very easily without damaging the wall of the tank, by providing a cradle of rigid material hugging the bottom of the cylindrical part, the pocket being attached to both edges of the cradle. To mount the pocket, the cradle is simply formed, made up of several parts so that it can pass through the manhole in the cylindrical part and it is placed on the bottom of this cylindrical part, so that its two edges extend along the two generatrices in a substantially horizontal plane of the cylindrical part. It is then very simple to fix the pocket in flexible material, in particular in plastic, on the two edges of the cradle which is immobilized in the tank.

Suivant un mode de réalisation préféré, la poche définit une chaussette entourant un ensemble de tuyaux pénétrant dans la cuve par le haut et destinée à remplir et à vider la cuve. La chaussette peut être fixée sur une embase perpendiculaire à un tuyau et qui y est fixée. On assure ainsi l'étanchéité entre la poche et les tuyaux qui pénètrent à l'intérieur de celle-ci.According to a preferred embodiment, the pocket defines a sock surrounding a set of pipes entering the tank from above and intended to fill and empty the tank. The sock can be fixed on a base perpendicular to a pipe and which is fixed there. This ensures sealing between the pocket and the pipes which penetrate inside the latter.

Au dessin annexé, donné uniquement à titre d'exemple,

  • la figure 1 est une vue en coupe longitudinale d'une cuve suivant l'invention;
  • la figure 2 est une vue en coupe transversale d'une cuve suivant l'invention; et
  • la figure 3 est une vue en perspective du berceau.
In the attached drawing, given solely by way of example,
  • Figure 1 is a longitudinal sectional view of a tank according to the invention;
  • Figure 2 is a cross-sectional view of a tank according to the invention; and
  • Figure 3 is a perspective view of the cradle.

La cuve suivant l'invention est constituée d'une partie 1 cylindrique en acier, fermée aux deux extrémités par des calottes 2, 3 sphériques également en acier. La partie 1 est munie en haut d'un évent 4.The tank according to the invention consists of a cylindrical part 1 made of steel, closed at both ends by spherical caps 2, 3 also made of steel. Part 1 is provided at the top with a vent 4.

Un berceau en matière rigide et en plusieurs pièces, désigné par la référence générale 5, comprend des arceaux 6 adaptés à la forme du fond de la cuve, et deux bords 7, 8, qui viennent le long de deux génératrices 9 diamétralement opposées de la partie 1. Les bords 8 sont constitués en profilés dans lesquels peuvent venir s'insérer un profilé solidaire d'une poche 10 fermée en matière plastique souple.A cradle made of rigid material and made up of several pieces, designated by the general reference 5, comprises arches 6 adapted to the shape of the bottom of the tank, and two edges 7, 8, which come along two generators 9 diametrically opposite of the part 1. The edges 8 consist of profiles in which can be inserted a section secured to a pocket 10 closed in flexible plastic.

Un ensemble de tuyaux 11 pénètrent par le haut de la cuve à l'intérieur de la poche. Sur au moins l'un des tuyaux est fixée une embase 12. La poche 10 définit une chaussette 13 entourant l'ensemble de tuyaux 11. La chaussette 13 est fixée sur l'embase 12.A set of pipes 11 penetrate from the top of the tank inside the pocket. On at least one of the pipes is fixed a base 12. The pocket 10 defines a sock 13 surrounding the set of pipes 11. The sock 13 is fixed on the base 12.

Lorsqu'on vide et lorsqu'on remplit la cuve de carburant, on introduit le carburant uniquement dans la poche 10 en sorte que l'évent 4 ne communique qu'avec la partie à l'intérieur de la cuve qui se trouve à l'extérieur de la poche et qui ne contient pas de carburant. Lorsque, au fur et à mesure que la cuve se vide ou se remplit, la poche se déforme, il importe peu qu'elle s'adapte mal aux calottes 2 et 3, puisqu'aucune étanchéité ne doit être assurée entre la poche et les calottes, puisque la poche, parce qu'elle est fermée, empêche tout passage du carburant dans l'espace à l'extérieur de la poche. En outre, la poche étant maintenue le long des deux génératrices ne peut plus se vriller.When the tank is emptied and filled with fuel, the fuel is introduced only into the pocket 10 so that the vent 4 communicates only with the part inside the tank which is located outside of the pocket and which does not contain fuel. When, as the tank empties or fills, the bag deforms, it does not matter that it badly adapts to caps 2 and 3, since no sealing must be ensured between the bag and the caps, since the pocket, because it is closed, prevents any passage of fuel through the space outside the pocket. In addition, the pocket being held along the two generators can no longer twist.

Lorsque la cuve suivant l'invention constitue la citerne d'un véhicule-citerne, elle procure une sécurité plus grande en cas d'accident.When the tank according to the invention constitutes the tank of a tank vehicle, it provides greater safety in the event of an accident.

Claims (5)

Cuve, constituée d'une partie (1) cylindrique rigide fermée aux deux extrémités par des calottes (2, 3) sphériques ou plates rigides, une poche (10) fermée en matière souple se trouvant à l'intérieur de la cuve, caractérisée en ce que la poche (10) est fixée à la cuve le long de deux génératrices (9) de la partie (1) cylindrique, qui se trouvent dans un même plan sensiblement horizontal.Tank, consisting of a rigid cylindrical part (1) closed at both ends by rigid spherical or flat caps (2, 3), a closed pocket (10) made of flexible material located inside the tank, characterized in that the pocket (10) is fixed to the tank along two generators (9) of the cylindrical part (1), which lie in the same substantially horizontal plane. Cuve suivant la revendication 1, caractérisée en ce qu'elle comporte un berceau (6) en matière rigide épousant le bas de la partie (1) cylindrique, la poche (10) étant fixée sur les deux bords (7, 8) du berceau (6).Tank according to claim 1, characterized in that it comprises a cradle (6) made of rigid material matching the bottom of the cylindrical part (1), the pocket (10) being fixed on the two edges (7, 8) of the cradle (6). Cuve suivant la revendication 1 ou 2, comportant un ensemble (11) de tuyaux pénétrant dans la cuve par le haut, caractérisée en ce que la poche (9) définit une chaussette (13) entourant cet ensemble (11) de tuyaux.Tank according to claim 1 or 2, comprising a set (11) of pipes entering the tank from above, characterized in that the pocket (9) defines a sock (13) surrounding this set (11) of pipes. Cuve suivant la revendication 3, caractérisée en ce que la chaussette (13) est fixée sur une embase (12) perpendiculaire à un tuyau et qui y est fixée.Tank according to claim 3, characterized in that the sock (13) is fixed on a base (12) perpendicular to a pipe and which is fixed there. Véhicule-citerne, caractérisé en ce que la citerne est constituée d'une cuve suivant l'une des revendications 1 à 4.Tank vehicle, characterized in that the tank consists of a tank according to one of claims 1 to 4.
EP95401837A 1994-08-09 1995-08-04 Vessel with plastic pocket Withdrawn EP0696546A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409859 1994-08-09
FR9409859A FR2723573B1 (en) 1994-08-09 1994-08-09 POCKET TANK IN PLASTIC MATERIAL

Publications (1)

Publication Number Publication Date
EP0696546A1 true EP0696546A1 (en) 1996-02-14

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ID=9466200

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Application Number Title Priority Date Filing Date
EP95401837A Withdrawn EP0696546A1 (en) 1994-08-09 1995-08-04 Vessel with plastic pocket

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EP (1) EP0696546A1 (en)
FR (1) FR2723573B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006005675A1 (en) * 2004-07-13 2006-01-19 Flameresist Deutschland Gmbh Tank system
FR2990200A1 (en) * 2012-05-04 2013-11-08 Bcm Cosmetique Packaging device for packaging fluid product e.g. cosmetic product, has flexible container including exhaust pipe connected to valve, and compressor pressurizing interior of rigid enclosure by compressed air

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794570A (en) * 1955-02-17 1957-06-04 Thomas F Downs Lined tanks
DE1781146A1 (en) * 1968-08-30 1970-09-24 Horst Linz Device to protect against rusting through and to facilitate the maintenance of underground storage containers for mineral oil, especially heating oil
FR2453088A1 (en) * 1979-04-05 1980-10-31 Erb Rene Liquid container with flexible inner membrane - has drain tap and vent connection in rigid container, and air is excluded from liquids surface
WO1982003847A1 (en) * 1981-05-04 1982-11-11 Istvan Szakaly Process and equipment for preventing the losses resulting from filling,venting and evaporation mainly in horizontal cylindrical storage tanks containing volatile materials
EP0303417A1 (en) 1987-08-09 1989-02-15 Amphora Investments Limited A tank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794570A (en) * 1955-02-17 1957-06-04 Thomas F Downs Lined tanks
DE1781146A1 (en) * 1968-08-30 1970-09-24 Horst Linz Device to protect against rusting through and to facilitate the maintenance of underground storage containers for mineral oil, especially heating oil
FR2453088A1 (en) * 1979-04-05 1980-10-31 Erb Rene Liquid container with flexible inner membrane - has drain tap and vent connection in rigid container, and air is excluded from liquids surface
WO1982003847A1 (en) * 1981-05-04 1982-11-11 Istvan Szakaly Process and equipment for preventing the losses resulting from filling,venting and evaporation mainly in horizontal cylindrical storage tanks containing volatile materials
EP0303417A1 (en) 1987-08-09 1989-02-15 Amphora Investments Limited A tank

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006005675A1 (en) * 2004-07-13 2006-01-19 Flameresist Deutschland Gmbh Tank system
FR2990200A1 (en) * 2012-05-04 2013-11-08 Bcm Cosmetique Packaging device for packaging fluid product e.g. cosmetic product, has flexible container including exhaust pipe connected to valve, and compressor pressurizing interior of rigid enclosure by compressed air

Also Published As

Publication number Publication date
FR2723573A1 (en) 1996-02-16
FR2723573B1 (en) 1996-10-31

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