WO2004078634A2 - Distributeurs de fluides et leurs procédés de fonctionnement - Google Patents

Distributeurs de fluides et leurs procédés de fonctionnement Download PDF

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Publication number
WO2004078634A2
WO2004078634A2 PCT/EP2004/002290 EP2004002290W WO2004078634A2 WO 2004078634 A2 WO2004078634 A2 WO 2004078634A2 EP 2004002290 W EP2004002290 W EP 2004002290W WO 2004078634 A2 WO2004078634 A2 WO 2004078634A2
Authority
WO
WIPO (PCT)
Prior art keywords
container
product container
fluid
expansion body
fluid dispenser
Prior art date
Application number
PCT/EP2004/002290
Other languages
German (de)
English (en)
Other versions
WO2004078634A3 (fr
Inventor
Marcus Horder
Original Assignee
Gmg Beratungs- Und Beteiligungs Gmbh & Co. Kg
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 Gmg Beratungs- Und Beteiligungs Gmbh & Co. Kg filed Critical Gmg Beratungs- Und Beteiligungs Gmbh & Co. Kg
Publication of WO2004078634A2 publication Critical patent/WO2004078634A2/fr
Publication of WO2004078634A3 publication Critical patent/WO2004078634A3/fr

Links

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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0094—Containers having an external wall formed as, or with, a diaphragm or the like which is deformed to expel the contents

Definitions

  • the invention relates to a fluid dispenser with the features of the preamble of claim 1.
  • the invention also relates to methods for loading and / or operating fluid dispensers.
  • the discharge pressure can be generated with a propellant gas, but this is disadvantageous since the propellant gas is generally harmful to the environment. If, on the other hand, the pressure is generated manually using a displacement piston or a pump (see, for example, US 2002/0047026, WO 93/12013), there are disadvantages with regard to ease of use.
  • Spray cans with an expansion body in the elastic product container are described in US 5,372,311 and US 3,672,543. It is provided that a product container in
  • DE 28 26 784 describes a spray can with a non-elastic filling material container, which is pressed against the expansion body from the outside with an elastic hose.
  • the elastic hose is stretched radially. Nevertheless, with this spray can no constant discharge pressure and no residue-free discharge can be achieved, since the hose does not have a linear relaxation behavior and with progressive emptying the filling material container is folded non-uniformly between the expansion body and the hose, so that undesired dead volume is formed.
  • the disadvantages described, non-uniformity and residue formation can be tolerated with conventional spray cans, for example with cosmetically acting filling goods. However, the disadvantages are unacceptable when used with expensive filling goods that have to be dosed precisely, for example in medicine.
  • a general disadvantage of the conventional fluid dispenser is that different container materials are generally required for different applications, to which the expansion body must be adapted in each case. Therefore, the spray cans are usually special devices, which is disadvantageous for the manufacturing costs.
  • the object of the invention is to provide improved fluid dispensers with which the disadvantages of the conventional fluid dispensers are overcome and which are distinguished in particular by an expanded area of application, a minimal remaining filling quantity and a fluid discharge that is as constant as possible over the entire working area.
  • the object of the invention is also to provide improved methods for filling and / or operating fluid dispensers, with which the disadvantages of using conventional fluid dispensers are overcome and which, in particular, enable discharge with a minimal residual filling quantity and constant fluid discharge.
  • the invention is based on the general technical teaching of designing a fluid dispenser with an elastic filling material container for holding a fluid in such a way that the tension exerted on the filling material container by the filled product and possibly by an internal expansion body in the
  • Is filled can be selectively adjusted in a predetermined manner by one or more of the three measures mentioned below.
  • the product container can be operated in a working area in which the tension is influenced as little as possible by the current state of expansion of the product container.
  • the working range can be set so that the elongation of the product container in every empty state lies in a part of the stress-strain diagram, where it has the most horizontal possible course.
  • the work area includes the state of maximum expansion of the product container with maximum loading of fluid (product) up to the state of minimum expansion of the product container when the fluid is discharged and the product container is essentially stretched by the expansion body. If the tension between the two elongation states changes as little as possible, the discharge pressure (discharge pressure) is essentially constant.
  • the fluid can be dispensed with high precision.
  • the filling material container has a sufficiently high tension even in the state of low expansion, so that the discharge is ensured even with small amounts of fluid.
  • the tension between the two elongation states in particular between the beginning and the end of the working area, changes less than 30% to 20%, preferably less than 10%.
  • a particularly high dosage accuracy can advantageously be achieved if the voltage changes less than 2%.
  • the adjustability of the additionally impressed voltage and thus the working range enables the fluid dispenser to be adapted to different materials and operating conditions, so that a fluid dispenser according to the invention provides universal applicability for a wide variety of tasks.
  • a first measure for the adjustability of the additionally impressed tension consists in the material of the full goods container being selected and / or structured in such a way that an internal tension of the material of the filled goods container can be adjusted as a function of a material property and in particular can be enlarged.
  • the axial and radial tension of the product container can thus advantageously be set.
  • a change in the internal tension in contrast to the tension caused by external forces, means that the tension (ability of the material to build up a retraction force when deflected) is determined by a material property, e.g. B. a morphological material property is changed.
  • a second measure for the adjustability of the additionally impressed tension consists in that a force action is provided which is formed by the outside of the product container and can be set in a predetermined manner.
  • the action of force results in an additional displacement of the filled product container, the advantage of which is that the tension in the
  • the prestressed state is set so that the elastic properties of the at least one material of the product container result in the desired working range.
  • a third measure for the adjustability of the additionally impressed tension consists in that at least one inner expansion body is provided in the product container, the volume of the inner expansion body being adjustable in a predetermined manner and in particular being able to be increased.
  • the inner expansion body comprises a material, the volume of which can be adjusted to a predetermined value by an externally triggered reaction (e.g. chemical reaction, mechanical action).
  • the volume expansion of the inner expansion body can be started and stopped when the desired tension is achieved in the product container.
  • the size ratio relative to the product container can be changed in a targeted manner. After the desired volume has been set, the inner expansion body forms a solid body whose size can no longer be changed.
  • the invention can be implemented with various forms of filling goods of practical interest, which are to be emitted in the form of a fine mist, atomized jet or liquid jet.
  • the filling material can generally be, for example, gaseous, liquid, pasty or thixotropic and is generally referred to here as a fluid.
  • the filling material is generally condensed in the filling material container, that is to say in the liquid state.
  • the fluid is preferably not compressible. Due to the adjustability of the fluid dispenser according to the invention, a dispenser can advantageously be adapted for different fluids.
  • the elastic material of the filling container comprises a shrinkable or shrinkable material, there may be advantages with regard to the structure and the setting of the applied tension.
  • the shrinking or shrinking ability can in particular be an inherent material property or activated by an external influence, such as for example heat or microwave radiation, and can be stopped after a desired shrinking state has been achieved. This can result in advantages with regard to the targeted control of the imprinted preload.
  • the shrinkable or shrinkable material preferably comprises plastic materials, such as those used in electrical engineering for the production of shrinkable insulation hoses (e.g. PE with suitable additives which influence the shrinkability).
  • the at least one inner expansion body consists of at least one expandable material
  • the expandable material comprises a mixture of at least two components which are inert at the operating temperature (e.g. room temperature) and show a reaction with volume expansion when heated (e.g. by microwave radiation).
  • the components include, for example, PU foam and an expansion additive, which react with one another when heated.
  • the expansion body can be made as a hollow body from a composition of an extendable linkage and one spanned by this elastic sleeve exist. In this case, too, there can be advantages with regard to the targeted control of the preload.
  • the expansion body can also contain a mechanical force element with which elastic restoring forces can be generated and which consists, for example, of rubber or an elastic spring.
  • the elastic material of the product container has a texture and / or an internal structure with at least one preferred direction of the elastic properties.
  • the direction of tension in the elastic filling material container can thus advantageously be set.
  • the texture can be provided on the inside or outside of the product container.
  • the at least one preferred direction of the elastic properties of the product container can be realized by an inhomogeneous distribution of the elastic properties.
  • the product container can have a higher elasticity in certain places and a lower elasticity in other places
  • the generation of the preferred direction means that when an initially undirected tension is applied, the material of the product container is stretched more in the preferred direction and less so in other directions.
  • the force acting from the outside of the filling material container is formed by at least one external expansion body.
  • the expansion body in this variant is arranged outside the product container.
  • a particular advantage of displacement from the outside is that by the active structure of the displacement both radially and axially acting tensions are generated in the product container.
  • the direction and stress distribution in the product container can be influenced by the position and orientation of the expansion body.
  • exactly one outer adjustable expansion body can be provided, with advantages in relation to the setting of the impressed tension using only one actuator.
  • a plurality of expansion bodies can be provided, which comprise at least one outer expansion body and at least one inner expansion body.
  • the at least one expansion body is arranged fixed inside the filling material container or outside of the filling material container.
  • the fixation takes place, for example, with fixation elements which result in a partial positive connection (for example near the discharge opening) or a frictional connection (for example with a bayonet connection) between the product container and the expansion body. It can also be a combination of a form fit and a force fit or a material fit (One-piece formation of the product container and expansion body) may be provided.
  • the at least one expansion body is arranged to move freely inside the filling material container or outside the filling material container.
  • the construction of the fluid dispenser can be simplified. This design is realized in particular with an inner expansion body that is spherical or cylindrical with a length that is larger than the diameter of an outer housing.
  • the external force is formed by a tensioning device for applying bending or torsional moments.
  • the tensioning device can impart an internal tension to the product container, for example by twisting, twisting or twisting at least part of the product container or an auxiliary material adjacent to the product container.
  • Fluid dispensers according to the invention have the particular advantage that the possibility of subsequently adjusting the tension of the product container makes it possible to produce it with an expanded variety of shapes.
  • the entire structure of the fluid dispenser can, depending on the wishes of the user, for. B. to produce a characteristic design or to provide improved usability.
  • Another important advantage of the invention is that the assembly of the fluid dispenser is considerably simplified. In contrast to conventional fluid dispensers, it is although possible, it is not absolutely necessary for the product container to have a smaller internal width than the inner expansion body when it is relaxed in the relaxed state. Rather, both parts can have the same dimensions. This will insert the expansion body into the
  • the invention is based on the general technical teaching, in the case of a fluid dispenser, in particular a fluid dispenser according to the invention with an elastic filling material container and possibly at least one inner and / or outer expansion body, the impressed tension of the filling material container by changing an internal tension of the material of the filling material container , to set a force acting from the outside of the product container and / or a predetermined change in the volume of the inner expansion body in addition to the expansion by the fluid in order to operate the product container in a work area in which the discharge pressure is as constant as possible, and / or in order to specifically impart internal tensions with a predetermined directional distribution to the elastic material of the product container.
  • the fluid is first taken up in the product container and then the additional tension is applied to the material of the product container.
  • the filling material container is stretched when it is filled with the pressurized fluid, so that a certain preload is created.
  • the additional displacement then takes place, for example, by introducing at least one internal expansion body.
  • the introduction of the inner expansion body causes an all-round increase in pressure in the product container, which is thus biased both radially and axially.
  • the displacement takes place by supplying at least one outer expansion body.
  • the material of the product container is impressed by the inner expansion body and / or a change in the internal tension of the product container before or while the fluid is being absorbed into the product container.
  • An alternating or simultaneous filling of the fluid and application of the additional tension can be provided.
  • the inner and / or outer expansion body can be adjusted according to the principles explained above and with the further details described below.
  • the invention provides the following additional advantages.
  • the tension of the product container is impressed by an externally controllable reaction or action.
  • the work area for fluid discharge can be optimized.
  • the fluid dispenser according to the invention is technically practicable and industrial, in particular can be produced by mass production.
  • the invention enables a fold-free collapse of the filling material container during the fluid discharge, whereby there is no constriction or separation of partial volumes in which fluid residues could remain.
  • FIG. 1 a schematic cross-sectional view of a fluid dispenser according to the invention to illustrate the above-mentioned measures for setting the working area
  • FIGS. 2 to 5 schematic cross-sectional views of fluid dispensers according to the invention to illustrate the generation of an externally applied force effect
  • FIG. 6 an illustration of an embodiment of a method according to the invention.
  • FIG. 7 a schematic illustration of a product container structured according to the invention.
  • the invention is described below by way of example with reference to a fluid dispenser with an elastic filling material container and at least one internal or external expansion body.
  • fluid dispensers in particular with regard to the design of the opening for fluid discharge, the control of the metering, for example with a manually or with an actuated valve, the dimensions of the parts of the fluid dispenser, the structural details of the connection of the individual parts and the techniques for Mounting of the product container in particular on an inner expansion body is known per se from the conventional fluid dispensers. Unless they are important for the implementation of the invention, these details are therefore not described separately here.
  • the above-mentioned measures for setting the work area are first referred to the schematic Cross-sectional view of a fluid dispenser 10 according to the invention in the filled state explained in Figure 1.
  • the fluid dispenser 10 comprises a filling material container 20 and an inner expansion body 30, which are arranged in a can-shaped housing 11 in a manner known per se.
  • the can-shaped housing 11 consists, for example, of plastic, sheet metal or hard cardboard. It forms a protection for the filling material container 20 and the expansion body 30 and possibly a handle for using the fluid dispenser 10.
  • the product container 20 has an opening 21 through which the discharge of the fluid takes place when the fluid dispenser 10 is used.
  • the opening 21 is also used to fill the product container 20.
  • a separate opening which is permanently closed when the fluid dispenser 10 is used, can be provided for filling.
  • the opening 21 is connected to a valve device 12 which is known per se and which comprises, for example, a valve which can be actuated by manually formed pressure.
  • the product container 20 is connected to the housing 11, for example via a circumferential collar or a flange (not shown).
  • the expansion body 30 in the product container 20 is an elongated, cylindrical component with a rounded free end 31 and a foot part 32 which is inserted in the opening 21 of the product container 20.
  • the foot part 32 can be roughened.
  • the product container 20 is, for example, a component produced by the injection molding process. The conditions during injection molding may be selected such that the material at the opening 21 has a greater hardness than the rest of the material in the filling material container 20.
  • FIG. 1 The embodiment of the invention shown in FIG. 1 is set up in particular to implement the above-mentioned first and / or third measures for adjusting the pretensioning of the container material.
  • the material of the product container 20 comprises, for example, a plastic, the internal tension of which is variable.
  • a plastic the internal tension of which is variable.
  • shrinkage properties are used in order to increase the internal tension against the already filled fluid and / or the inner expansion body 30.
  • Shrinkage can be triggered, for example, by a chemical reaction or can be timed, which begins when a catalyst or reaction partner is released in the space between the product container 20 and the housing 11.
  • shrinkage inherent in the container material can be stopped by an additive when the desired stress state is achieved.
  • the filling material container 20 can be constructed in a manner known per se, as shown, in one layer or, alternatively, in multiple layers as a layer composite of two or more layers (not shown).
  • the innermost layer consists of a material that is inert to the fluid, for example silicone or silicone rubber.
  • a barrier layer can be provided which prevents diffusion of the stored fluid.
  • the internal tension in the material of the product container 20 can be adjusted by shrinking a partial layer in the layer composite.
  • the shrinkable or shrinkable partial layer can be provided on at least one inner layer on the outside.
  • the outer partial layer can partially enclose the inner layer, for example in the form of a network, a large number of patch-shaped partial areas or a large number of straight or spiral strips.
  • the structure and / or the material of the inner expansion body 30 are designed to implement the above-mentioned third measure for adjusting the tension for a controlled volume expansion.
  • the inner expansion body 30 consists of a controllably swellable or foamable material, the volume expansion of which is triggered by a chemical additive and / or an energy supply (for example: microwave radiation).
  • the inner expansion body 30 can be equipped in a manner known per se with at least one channel through which fluid can pass to the opening 21 in the emptied state of the product container 20.
  • the inner expansion body 30 consists of a hollow body made of an elastic, inert material, in the interior of which a volume expansion can be triggered chemically or mechanically.
  • the hollow body is filled with chemical reagents that are not reactive under filling conditions.
  • the reaction to reaction products which have an increased volume only begins to separate from one another by an external triggering, an internal release or by the passage of time, thereby forcing the hollow bodies apart and thereby increasing the tension against the product container 20.
  • the hollow body can also be a mechanical, from the outside or by a force be actuated linkage provided for volume expansion (see also Figure 2). After the end of the volume expansion (due to the lapse of time after the consumption of reagents or by a targeted termination), the inner expansion body 30 forms a displacement body with a defined, unchangeable volume.
  • the internal expansion body 30 shown in FIG. 1 is optional.
  • a fluid dispenser can also be provided without the inner expansion body 30.
  • the filling container 20 can, for example, be designed such that, in the relaxed, unfilled state, it has a vanishing internal volume or an internal volume that is smaller than the residual volume in the filling container that is still tolerated during emptying.
  • the product container is filled with the fluid under pressure, so that the product container 20 is spanned. Simultaneously or subsequently, the internal tension in the product container 20 z. B. increased by shrinking until the desired work area is set.
  • FIG. 2 The embodiment of the invention shown in FIG. 2 is set up in particular to implement the above-mentioned second measure for adjusting the pretensioning of the container material.
  • An outer expansion body 40 is provided, which protrudes during or after the filling of the filling material container 20 with the fluid into the expansion area of the filling material container 20, the filling material container 20 being additionally preloaded with the force action thereby formed.
  • the outer expansion body 40 comprises, for example, an elongated, cylindrical body, the volume of which can optionally be increased analogously to the principles of enlarging the inner expansion body 30 described above.
  • a hollow body with a closed, elastic cover with an internal force element is provided.
  • the force element is fastened to the inside of the housing 11 and can be actuated and limited with an adjusting device (not shown), so that the free end of the outer expansion body 40 projects into the housing 11 in a predetermined manner and displaces the filling material container 11.
  • a thread can be provided for a screw feed, with which the outer expansion body 40 can be adjusted.
  • the volume of the outer expansion body 40 cannot be increased.
  • the force exerted when the filling material container 20 is inserted into the housing 11 is generated by the outer expansion body 40.
  • the fluid dispenser 10 is filled by first introducing the product container 20 into the housing 11 in an intermediate position, then filling it with the fluid and finally pushing it down to the bottom of the housing 11, the expansion body 40 moving into the material of the product container 20 presses and generates the desired additional bias.
  • FIG. 3 An alternative design with an outer expansion body 40 integrally formed on the filling material container 20 is illustrated in FIG. 3. According to drawing A, the filling container 20 and the expansion body 40 form a composite material, which is produced, for example, by injection molding.
  • Part B shows the product container 20 in the filled state.
  • the wall material of the product container 20 is stretched and prestressed.
  • the shape illustrated in partial image C results.
  • the outer expansion body 40 is moved from a position in which it protrudes from the product container 20 into a position in which it is directed towards the product container and displaces it. As a result of this displacement, the desired tension for setting the working area is impressed on the product container 20.
  • the latter can contain an expansion component 41 which, according to the principles described above, can be expanded in a predetermined manner after the product container has been filled.
  • the expansion component 41 can be separated from the inside of the product container 20 in accordance with sub-picture A of FIG. 4 or project into the interior in accordance with sub-image B of FIG. 4 in order to also pressurize the fluid in the product container during volume expansion.
  • a plurality of outer expansion bodies 40.1, 40.2 can be provided, as is illustrated schematically in FIG. 5.
  • a one-piece design of the expansion Body with the product container can be provided, as illustrated in Figures 3 and 4.
  • the expansion bodies can generally protrude from all sides against the product container, for example from the side as shown.
  • the combination of at least one inner expansion body 30 with at least one outer expansion body 40 is also illustrated.
  • the expansion bodies can generally protrude from all sides against the product container, for example from the side as shown.
  • FIG. 6 illustrates the two-stage generation of the pretension of the product container 20 using an example.
  • the fluid is first let into the product container 20, which is free of residual stress after it has been manufactured, until it expands the product container 20 due to its own pressure (left partial image).
  • the material of the filling material container 20 already has an expansion at which an almost horizontal branch begins in the stress-expansion diagram.
  • the additional displacement with the subsequently introduced expansion body 30 (see right partial image) further increases the internal stress within the desired working range.
  • the setting of the additionally impressed tension by structuring the material of the product container is illustrated in FIG. 7.
  • the product container 20 with the opening 21 is shown in the relaxed state without the remaining parts of the fluid dispenser.
  • the product container 20 carries a texture 22 which is aligned such that when the product container 20 is axially tensioned, it is aligned with the texture Force parallelogram a radially acting stress component is generated.
  • the texture 22 comprises, for example, a spiral groove or spiral groove sections along the axial length of the product container 20.
  • the texture 22 produces an expansion behavior with a preferred direction, with which the setting of the full goods container 20 in the desired working area is optimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention concerne des distributeurs de fluides (10) doté d'un contenant (20) en matière élastique, lequel est conçu pour recevoir un fluide et est fortement tendu lorsqu'il est rempli, cette tension provoquant l'évacuation du fluide hors du contenant (20). L'invention est caractérisée en ce que la tension du contenant (20) est modulable en réglant au préalable une tension interne de la matière du contenant (20), en exerçant une force sur la face externe du contenant (20) et/ou en augmentant la dimension d'au moins un élément de dilatation interne (30) dans le contenant (20). Cet élément de dilatation interne (30) comporte une matière dont le volume est réglable à une valeur déterminée au moyen d'une réaction provoquée extérieurement. La présente invention porte également sur des procédés pour faire fonctionner des distributeurs de fluides de ce type.
PCT/EP2004/002290 2003-03-07 2004-03-05 Distributeurs de fluides et leurs procédés de fonctionnement WO2004078634A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03005152.8 2003-03-07
EP03005152A EP1454845A1 (fr) 2003-03-07 2003-03-07 Distributeur de liquide et procédé pour son fonctionnement

Publications (2)

Publication Number Publication Date
WO2004078634A2 true WO2004078634A2 (fr) 2004-09-16
WO2004078634A3 WO2004078634A3 (fr) 2004-11-25

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PCT/EP2004/002290 WO2004078634A2 (fr) 2003-03-07 2004-03-05 Distributeurs de fluides et leurs procédés de fonctionnement

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056331B4 (de) * 2011-12-13 2018-03-01 Colep Laupheim GmbH & Co. KG Vorrichtung zum Ausgeben eines unter Druck stehenden Produktes mit einem flexiblen Beutel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870198A (en) * 1973-08-13 1975-03-11 Milton J Cohen Twistable bag type dispenser
EP0380348A1 (fr) * 1989-01-27 1990-08-01 Vaclav Pistek Récipient de distribution pressurisable
DE9014666U1 (de) * 1990-10-23 1991-03-21 Friedrich, Richard, 7707 Engen Ventil für ein Behältnis und Behältnis allenfalls mit einem derartigen Ventil

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Publication number Priority date Publication date Assignee Title
IL50038A0 (en) * 1976-07-14 1976-09-30 Cohen A A device for pressure-infusion of fluids
CH653969A5 (de) * 1981-05-20 1986-01-31 Werding Winfried J Behaelter zur ausgabe von fluessigen oder cremigen produkten mit einer vorrichtung zur verminderung der ausgabeverluste.
CA2010347C (fr) * 1989-03-13 1997-02-25 Paul Wenmaekers Distributeur de substance visqueuse
CZ281820B6 (cs) * 1993-04-20 1997-02-12 Alfa & Beta S. R. O. Tlakový obal, zejména pro hasicí látky
US5819980A (en) * 1996-12-04 1998-10-13 Hill; Myles L. Gurgle and slosh free canteen
AUPQ450999A0 (en) * 1999-12-07 2000-01-06 Perna Pty Ltd Storage and dispensing of carbonated beverages
AUPR069900A0 (en) * 2000-10-11 2000-11-09 Bantix Pty Ltd Variable volume container for a fluid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870198A (en) * 1973-08-13 1975-03-11 Milton J Cohen Twistable bag type dispenser
EP0380348A1 (fr) * 1989-01-27 1990-08-01 Vaclav Pistek Récipient de distribution pressurisable
DE9014666U1 (de) * 1990-10-23 1991-03-21 Friedrich, Richard, 7707 Engen Ventil für ein Behältnis und Behältnis allenfalls mit einem derartigen Ventil

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EP1454845A1 (fr) 2004-09-08
WO2004078634A3 (fr) 2004-11-25

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