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WO2008053215A1 - Systèmes de distribution de produits - Google Patents

Systèmes de distribution de produits Download PDF

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Publication number
WO2008053215A1
WO2008053215A1 PCT/GB2007/004158 GB2007004158W WO2008053215A1 WO 2008053215 A1 WO2008053215 A1 WO 2008053215A1 GB 2007004158 W GB2007004158 W GB 2007004158W WO 2008053215 A1 WO2008053215 A1 WO 2008053215A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
carbon
canister
product
dispensing system
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.)
Ceased
Application number
PCT/GB2007/004158
Other languages
English (en)
Inventor
Michael Ernest Garrett
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.)
Kbig Ltd
Original Assignee
Kbig Ltd
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
Priority claimed from GB0621885A external-priority patent/GB0621885D0/en
Priority claimed from GB0717116A external-priority patent/GB0717116D0/en
Application filed by Kbig Ltd filed Critical Kbig Ltd
Priority to EP07824402A priority Critical patent/EP2094584A1/fr
Publication of WO2008053215A1 publication Critical patent/WO2008053215A1/fr
Priority to US12/387,145 priority patent/US20090294485A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/60—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant with contents and propellant separated
    • B65D83/673—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant with contents and propellant separated at least a portion of the propellant being separated from the product and incrementally released by means of a pressure regulator

Definitions

  • This invention relates to systems for dispensing substances from containers and, more particularly, to such systems employing a very simple but effective two phase solid/gas adsorption/desorption mode of operation.
  • a large number of products are on the general market packaged in canisters - some of which cause the product to be dispensed therefrom in the form of small or atomised particles and are therefore commonly referred to as 'aerosols' - and which can be dispensed from the canister by means of a gas (or vapour) pressure generated ]n situ in the canister, ie acting as a dispensing or propellant gas.
  • gases or vapour pressure generated ]n situ in the canister, ie acting as a dispensing or propellant gas.
  • Such products include ones for personal care including hair sprays, shaving creams, deodorants and the like and ones for household use including cleaning substances, room fragrances, insect repellents and the like, and many more.
  • many beverages, including beer and soft drinks and the like are dispensed from canisters by means of gas pressure.
  • such products are admixed with the pressurised gas in the canister and the operation of a (typically) push-down operating valve causes both the product and the gas to be dispensed from the pack by means of the gas pressure, for example via a 'dip tube' extending in to the product and linked to a nozzle which is commonly associated with the release valve, all of which are commonly contained in a dispense assembly or dispense block.
  • a push-down operating valve causes both the product and the gas to be dispensed from the pack by means of the gas pressure, for example via a 'dip tube' extending in to the product and linked to a nozzle which is commonly associated with the release valve, all of which are commonly contained in a dispense assembly or dispense block.
  • the product and pressurised gas are separated from each other within the canister.
  • some form of divider or membrane is present in the canister, for example, one in the form of a bag containing the product which is sealingly attached to the canister internal wall in the vicinity of the release valve; the gas is present between the divider and the internal walls of the pack, ie surrounding the bag and the gas pressure in turn exerts pressure on the product in the bag.
  • the divider may be a piston which slides within the canister with the product on one side and a gas on the other side and which acts to drive the product from the canister by the action of gas pressure.
  • chlorofluorocarbons CFCs
  • HFCs hydrofluorocarbons
  • HCFCs hydrochloroflurocarbons
  • LPGs liquid petroleum gases
  • propane and butane are hydrocarbon gases
  • Such gases are by their nature extremely flammable, are environmentally harmful in some respects and in addition can introduce an odour in to the product being dispensed.
  • acetone is an aggressive chemical and it is also known that it was found that the use of acetone in such systems tended to cause problems associated with chemical attack of the membrane material and leakage of the acetone through and around the membrane and resulting failure of the membrane.
  • a dispensing system for dispensing a product from a canister which comprises a solid/gas arrangement in which the gas is adsorbed on to the solid under pressure and desorbed therefrom when the pressure is released and in which the solid comprises activated carbon and the gas comprises one or more of nitrogen, oxygen (or mixtures thereof
  • the container having valve means to allow the gas adsorbed on to the carbon to be desorbed and effect product dispense.
  • the gas is preferably carbon dioxide in view of its generally superior adsorption characteristics in relation to activated carbon as an adsorbent.
  • 'adsorbed gas refers to the gas used in the invention.
  • the new dispense system can provide - by means of careful selection of the type of activated carbon employed, the amount of carbon, the initial pressure and therefore the amount of gas adsorbed on the carbon - a low pressure change during intermittent use between an initial product dispense and full product dispense from a canister.
  • the pressure change afforded by that invention between a full' and 'empty' canister is such that the canister in which it is positioned can maintain an effective discharge of product with an effective and acceptable controlled spray pattern in terms in particular of its being uniform and/or homogeneous with a predetermined particle size and distribution.
  • Systems of that invention have been shown to be particularly suited to the dispensing of products from small, hand-held 'aerosol' canisters, for example ones having a 200 or 300ml capacity.
  • 'aerosol' when used herein includes any hand-held dispensing devices for the delivery of product whether or not the product is actually atomised or whether or not it incurs any other form of product break-up.
  • the dispensing system is preferably incorporated in to a canister in which a product to be dispensed is held under gas pressure.
  • carbon dioxide desorbed from the carbon adsorbent pressurises the canister and maintains the pressure therein generally and during actuation of the canister dispensing valve in particular.
  • the product and the solid/gas arrangement are present in separate compartments in the canister. This is primarily to keep the product and the solid apart from each other in order to hold the solid in a predetermined part of the canister and/or to ensure in particular that the product, which may for example be in aqueous or other type of solution, does not contaminate the solid and thereby detract from its efficiency of adsorption.
  • the compartments may be separated by means of a wholly or substantially impermeable membrane.
  • This membrane may take the form of a flexible bag which is sealingly attached either to the interior wall of the canister or to the canister operating valve or dispense block and which in use holds the product to be dispensed.
  • the solid/gas arrangement is generally positioned within the canister outside the bag such that pressure is exerted on the exterior of the bag when pressure therein is released on actuation of the valve and product dispense effected via the valve through a nozzle.
  • An elastic material may be employed to form the bag.
  • the membrane whether of elastic or non-elastic material may be used and may be sealingly attached to any relevant part of the canister interior.
  • the substantially impermeable membrane may alternatively take the form of a piston slideably mounted in the canister interior with the gas/solid arrangement on one side of the piston and the product to be dispensed on the other side such that actuation of a dispense valve causes pressure from gas desorbed from the solid to move the piston and urge product to be dispensed from the canister via the valve.
  • the compartments may be separated by means of a fixed partition.
  • a fixed partition may usefully be positioned in the any useful part of the canister, and preferably including the base thereof, to form the solid/gas arrangement compartment therein. It can, for example, be a concave-shaped disc in a 'flat' canister base or one of greater concavity than the (usually) concave-shaped canister base (as viewed from the exterior of the canister). It may advantageously be crimped to the canister between the canister wall(s) and its base to form an annular compartment between the disc and the base.
  • the solid compartment may also be in the form of a container or 'widget' that may be fixed to the canister (or part thereof) or allowed to be free within the canister interior.
  • the carbon container may be associated with the canister dip tube, for example by being mounted around the dip tube for ease of assembly of the canister generally and the positioning of the container therein and, separately to allow for a ready filling of the container with adsorbed gas via the dip tube and via a one-way valve therebetween.
  • the product and the solid/gas arrangement of the dispensing system are present in individual compartments in the canister, which are separated by a partition which may be fixed or displaceable. This keeps the product and the solid apart from each other in order to hold the solid in a predetermined part of the canister and/or to ensure in particular that the product, which may for example be in aqueous or other type of solution, does not contaminate the solid and thereby detract from its efficiency of adsorption.
  • a partition for example the substantially rigid wall of the carbon container, it is generally required that the gas from the solid/gas compartment can flow in to the product compartment, but not vice versa, and this can readily be effected by having a one-way valve in the partition.
  • Each one-way valve should be designed such that is operates only under a certain applied pressure, for example a small fraction of 1 bar; otherwise the valve does not open.
  • valve With certain designs of valve, it is possible for a single valve to operate separately as a pressure thereof sensitive valve in either direction depending on the requirements of the system.
  • the container for the carbon should have one-way valve means in order to allow the carbon dioxide to be desorbed from the solid and pass in to the product compartment when the pressure in the canister falls, ie on operation of the canister dispensing valve, and thereby maintain canister pressures at predetermined levels for further use of the aerosol.
  • the one-way valve means may be made from any material and be of any suitable form including ones incorporated integrally in to the body of the carbon container.
  • One form which is particularly useful may comprise an upstanding valve body terminating in a parallel, double plate arrangement - preferably formed integrally with the wall of a product bag or fixed partition - such that the plates act as a closed valve in their usual position but which can move under their inherent resilience to an open position by virtue of gas pressure impinging thereon in a predetermined (single) direction, ie from the interior of the carbon container; such a valve is sometimes referred to as a 'sphincter' valve.
  • the one-way valve advantageously is formed integrally with the partition and is preferably made from a plastic material, for example PET or silicone rubber.
  • a displaceable partition With a displaceable partition, this will generally be impermeable to the gas and may take the form, for example, of a bag for holding the product or a piston slideable within the canister with the desorbed gas from the carbon deforming the bag or moving the piston within the canister under the increased gas pressure applied thereon during actuation of the dispensing valve.
  • the dispensing system may be implemented with a product not held before its dispense under gas pressure.
  • the desorbed gas is not used to effect product dispense until it is required in use.
  • These embodiments may be put in to effect by restraining the gas pressure in the solid/gas container and effecting its release therefrom via valve means only when required during product dispense.
  • the desorbed gas may be used to effect product dispense by:
  • causing the desorbed gas pressure to act directly on a product to effect product dispense for example by urging the product through a dip tube inserted in to the product in the canister, or ii) causing the desorbed gas pressure to act indirectly on the product to effect product dispense, for example by its impingement on to a piston slideably mounted in a canister body or part thereof, or
  • the carbon is advantageously held in a container which is preferably proximate to the dispensing block, for example by being attached thereto or may be less firmly linked, for example via a tube through which the carbon dioxide can be introduced in to the container.
  • the dispensing block itself advantageously incorporates a canister dispensing valve and passageways linking the interior of the canister with the exterior thereof via the valve.
  • the dispensing block, together with the carbon container can readily and effectively be sealingly inserted in to an aperture in the canister during canister assembly.
  • the linkage of the container to the dispensing block generally allows firstly for a ready operation of the pressure pack and secondly allows for a simple mode of manufacture and assembly of the aerosol canister by allowing for the dispensing block - incorporating the canister dispensing valve, necessary passageways linking the interior of the canister with the exterior thereof, and also the carbon container linked thereto - to be inserted in to an aperture in the canister, ideally the top of the canister, advantageously in a single assembly step.
  • the invention therefore allows standard designs of canister to be employed without modification to the body thereof in order to suit implementation of the invention generally and to include canisters made of either steel or aluminium or other material.
  • the dispensing block and the carbon container are advantageously joined, for example by being made as an integrally formed unit, for example with the carbon container being situated beneath the dispensing block in a normal upright orientation of the canister. It is also advantageous for a dip tube to depend from the dispensing block, preferably being positioned centrally (axially) in the carbon container and, in use of the propellant system, extending in to the body of the canister within the product to be dispensed.
  • the container for the carbon can be, for example, made of a flexible plastic/polymer material in the form of a bag or alternatively be cylindrical in shape and advantageously made from a more rigid material, again preferably from a plastic/polymer material.
  • the container is preferably cylindrical in shape.
  • the carbon is placed in the container prior to the final assembly of the canister, ie prior to insertion of the dispensing block and in to the product itself to which the container is linked in to the canister aperture as described above.
  • the product to be dispensed by the system of the invention is commonly inserted in to the canister via a dip tube depending from the dispensing block and through which, in use of the aerosol, the product is dispensed via the dispensing valve in the reverse direction.
  • the solid/gas container is advantageously linked to the dispensing block, for example by being positioned co-axially about the dip tube and as such can be regarded as an integral part of the dispensing block. In such cases, the block as a whole can therefore readily be placed in a canister aperture simultaneously during canister assembly.
  • Means must also be provided for the introduction of the gas under pressure in to the carbon container in order to cause it to be adsorbed on to the carbon and subsequently desorbed therefrom on operation of the dispensing valve. This can be effected, for example, by providing a suitable route via the dispensing block in to the container interior and including (as described above) a one-way valve to prevent back flow of the gas.
  • the product dispensing system provides a simple and effective way of utilising gas desorbed from the adsorbent ⁇ er se in order to provide a sufficient gas volume to produce an initial gas pressure and thereafter to maintain gas volumes, and necessary gas pressures, to enable a complete product dispense to be effected.
  • a pressure regulator may be used to regulate the gas pressure released from the adsorbent of the dispense system of the invention to a predetermined pressure level or within a predetermined range of pressure.
  • a 10 bar(a) pressure provided by desorbed gas may be regulated to produce propellant gas at 3 bar(a).
  • the gas it should be introduced in to the dispensing system under pressure and which will be adsorbed on to the carbon such that its molecules are much more closely packed together than in the usual gaseous form at the same temperature and pressure.
  • carbon dioxide gas in particular, it is preferably injected initially under pressure in liquid form, for example down a dip tube depending from or integrally formed with the valve block.
  • Using carbon dioxide in the form of a liquid or snow can in practice at least partially thermally balance the heat of adsorption of the carbon dioxide on to the carbon and maintain temperatures close to ambient.
  • a double valve arrangement may be employed for measuring exact quantities of liquid carbon dioxide present between two valves positioned in a delivery tube of constant cross-section so as to define the required volume of gas needed for each canister as they pass along a conveyor assembly line. This is preferably effected by closing the upstream valve once the required volume of carbon dioxide is present between the valves and allowing the volume to 'vaporise', and to urge the stream of snow/gas in to the canister.
  • the gas may also be charged in to the container in the form of solid carbon dioxide which is easy to handle and affords the benefits described above for liquid carbon dioxide.
  • Activated carbons are well known p_er se and have the advantage that they are relatively inexpensive; they are non-polymeric substances.
  • activated carbons are manufactured from a variety of carbonaceous materials including (1) animal material (blood, flesh, bones, etc), (2) plant materials such as wood, coconut shell, corn cobs, kelp, coffee beans, rice hulls and the like and (3) peat, coal, tars, petroleum residues and carbon black.
  • Activation of the raw carbonaceous materials can be effected in a variety of known ways including calcining at high temperature (eg 500°C-700°C) in the absence of air/oxygen followed by activation with steam, carbon dioxide, potassium chloride or flue gas at, say, 85O 0 C to 900 0 C, followed by cooling and packaging.
  • high temperature eg 500°C-700°C
  • steam carbon dioxide, potassium chloride or flue gas at, say, 85O 0 C to 900 0 C, followed by cooling and packaging.
  • Selected activated carbons are suitable for use in the systems of the invention, for example ones having a density of from 0.2g/cm 3 to 0.55g/cm 3 , preferably 0.35g/cm 3 to 0.55g/cm 3 .
  • the quantity of carbon required in implementing the invention will vary depending on parameters including the gas employed, the initial and final pressures during the dispense of product, the nature of the product and its physical characteristics and the desired properties of the dispensed product.
  • the carbon may advantageously occupy from 5 to 95% of the canister interior volume.
  • the carbon content may usefully be from 30 to 95%, preferably from 60 to 90%.
  • the product dispensed from the nozzle of a canister may advantageously be improved by causing a separate bleed of gas to be directed in to the dispensing valve or block and therein to mix with product being expelled therefrom in order to effect a greater dispersion of the dispensed product.
  • the activated carbon is present in the form of one or more pellets or torroids, ie in a much larger size than the granules in which it is normally supplied, for example of a size of at least 0.5 cm in length or greater.
  • Such pellets or torroids may be fabricated by sintering or other binding processes and preferably will allow for a much larger surface area for the carbon dioxide and therefore a commensurately larger and more effective gas release on reduced pressure.
  • pellets or torroids can advantageously be manufactured as sticks or tubes and/or with surface ribs or grooves or with apertures therethrough; all such forms can be capable of aiding adsorption/desorption of the gas.
  • specific ways of treating and/or handling the carbon are important aspects of the invention and may be essential for the implementation of the dispensing systems.
  • the activated carbon is held, advantageously from the time of its production, under a blanketing atmosphere; this atmosphere may comprise the adsorbed gas itself, or a gas or gases (including mixtures with the adsorbed gas) that do not prevent the adsorbed gas subsequently occupying the carbon adsorption sites, in particular by virtue of being held at the adsorption sites on the carbon less strongly than the adsorbed gas.
  • this atmosphere may comprise the adsorbed gas itself, or a gas or gases (including mixtures with the adsorbed gas) that do not prevent the adsorbed gas subsequently occupying the carbon adsorption sites, in particular by virtue of being held at the adsorption sites on the carbon less strongly than the adsorbed gas.
  • the activated carbons might occasionally require some additional treatment(s) including in particular heat treatments in order to reactivate and/or regenerate the full characteristics of the carbon.
  • additional treatment(s) are included in the term 'manufacture' and/or 'activation' throughout this specification and the appended claims.
  • gases including water vapour, are more strongly held at the carbon adsorption sites than the adsorbed gas and carbon dioxide in particular and therefore should be rigorously excluded from the atmosphere around the carbon; subsequent attempts to dislodge the strongly held gases will not be successful.
  • the blanketing atmosphere preferably includes or comprises carbon dioxide itself. This can be especially advantageous in the implementation of dispensing systems when the carbon dioxide is preferably adsorbed on to the carbon at elevated temperatures.
  • suitable gases include helium and hydrogen which are generally capable of being displaced from the adsorption sites by carbon dioxide. The potential use of other blanketing gases can be established by a skilled adsorption scientist on a theoretical or practical basis.
  • Adsorption is an exothermic process in which considerable amounts of heat may be generated.
  • the adoption of these preferred embodiments with a blanketing atmosphere that includes carbon dioxide itself is beneficial in that it allows an initial level of adsorption of carbon dioxide to occur - together with dissipation of the generated heat - prior to the use of the carbon in the dispensing systems. This can lead to significant advantages from the resultant lower amounts of heat generated when the remaining carbon dioxide is adsorbed under pressure in subsequent high speed production of canisters incorporating the dispensing systems.
  • the blanketing of the carbon is preferably effected from the time of cooling and is preferably maintained continuously up to the time of (final) assembly of the canisters in which the dispensing systems are employed.
  • the use of non-permeable containers for holding the blanketed carbon is required in order to isolate the carbon from undesirable gases.
  • the carbon granules or pellets or torroids may advantageously be pre- saturated with carbon dioxide (or other adsorbed gas) prior to use in order to improve the adsorption parameters.
  • the granules/pellets/torroids may be advantageously cooled in such pre-saturisation processes by use of cooled carbon dioxide, for example carbon dioxide solid or snow being in contact with the carbon.
  • the carbon granules/pellets/torroids are usefully kept in contact with a source of carbon dioxide or other adsorbed gas, especially cold gas, liquid or snow, prior to placement in a canister and this may provide sufficient adsorbed gas for use in the system without the need to add further amounts of gas.
  • a source of carbon dioxide or other adsorbed gas especially cold gas, liquid or snow
  • the invention provides means whereby such problems can be obviated or at least minimised.
  • a dispensing system for dispensing a product from a canister, which comprises a solid/gas arrangement in which the gas is adsorbed on to the solid under pressure and desorbed therefrom when the pressure is released and in which the solid comprises activated carbon and the gas comprises one or more of nitrogen, oxygen (or mixtures thereof including air), carbon dioxide, nitrous oxide and argon, the container having valve means to allow the gas adsorbed on to the carbon to be desorbed and effect product dispense, wherein the system incorporates a scavenger for the removal or neutralisation of a substance which detrimentally affects the performance of the system.
  • the main aim of the invention is to prevent any detrimental effect on the adsorption/desorption characteristics of the carbon and, additionally, to prevent any detrimental effects on the mode of operation of the system.
  • a main potential detrimental substance is water or water vapour.
  • Other detrimental substances may be an alcohol or a liquid hydrocarbon, or mixtures thereof or with other substances including water.
  • a blanketing atmosphere is present to protect the carbon or other means are employed for that purpose, it has been surprisingly found that a scavenging agent for any water (or aqueous mixtures) that might come in to contact with the carbon may be useful in maintaining the necessary adsorption/desorption characteristics of the carbon. It has been found that in one particular area, namely the potential for water vapour to permeate from a water-containing or water-based product through or around a product bag held within the canister during use and/or storage of the canister and in to that part of the canister interior in which the adsorbent is held, the use of a desiccant is surprisingly beneficial.
  • the material from which the product bag is made may be (or in use become) somewhat permeable to water; alternatively, the manner in which the bag is attached to the canister body or to a valve block present in the canister aperture may degrade and again become susceptible to permeation of water. Equally, the bag may be ruptured in situ in the canister by a variety of means and thereby allow an escape of product from the bag.
  • Suitable water scavenging agents, or desiccants include silica gel, certain types of zeolyte, for example Type X or Type Y, calcium chloride, calcium oxide and alumina.
  • the scavenging agents are usefully held in the canister adjacent the carbon particles.
  • the scavenging agents are preferably present in an amount of 0.1 to 10% by volume of the carbon adsorbent, more preferably from 1 to 5%.
  • the water may itself cause the adsorbed gas to be desorbed from the adsorbent with the effect not only of detrimentally affecting the adsorption/desorption characteristics of the dispensing system but also cause an increase in the internal gas pressure of the canister.
  • Such an increase in pressure may be undesirable in terms of system performance and also, in certain circumstances, raise the internal pressure of the canister to values above that which is recommended or allowed in relation to canister pressure rating or other regulation.
  • canister pressure may normally be accommodated within the canister rating, problems could arise in extreme cases, especially during the time of pressure testing a canister incorporating a dispensing system of the invention, for example during a water bath pressure test at, say, 50 degrees C.
  • the reaction balance can generally be regarded as an equilibrium and, in order to achieve the formation of calcium carbonate, it is generally advantageous to ensure that the aqueous solution is alkaline in order to avoid the formation of calcium bicarbonate.
  • An alkaline solution may occur naturally in situ, especially in the presence of the carbon adsorbent. This, however, should be checked/monitored experimentally and addition of an alkali, for example sodium hydroxide or potassium hydroxide, may be made.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

L'invention concerne un système de distribution destiné à distribuer un produit à partir d'un bidon, qui comprend un ensemble solide / gaz, dans lequel le gaz est absorbé sur le solide sous pression et désorbé lorsque la pression est libérée, et dans lequel le solide comprend un carbone activé et le gaz comprend de l'azote, de l'oxygène (ou leurs mélanges notamment l'air), du dioxyde de carbone, de l'oxyde d'azote et de l'argon. Le récipient comprend des dispositifs à soupapes permettant au gaz absorbé sur le carbone d'être désorbé et de réaliser la distribution des produits. Le système comprend un agent d'épuration destiné à éliminer ou à neutraliser une substance qui peut affecter la performance du système.
PCT/GB2007/004158 2006-11-02 2007-10-31 Systèmes de distribution de produits Ceased WO2008053215A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07824402A EP2094584A1 (fr) 2006-11-02 2007-10-31 Systèmes de distribution de produits
US12/387,145 US20090294485A1 (en) 2006-11-02 2009-04-28 Product dispensing system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0621885.3 2006-11-02
GB0621885A GB0621885D0 (en) 2006-11-02 2006-11-02 Product dispensing systems
GB0717116A GB0717116D0 (en) 2007-09-04 2007-09-04 Product dispensing systems
GB0717116.8 2007-09-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/387,145 Continuation-In-Part US20090294485A1 (en) 2006-11-02 2009-04-28 Product dispensing system

Publications (1)

Publication Number Publication Date
WO2008053215A1 true WO2008053215A1 (fr) 2008-05-08

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PCT/GB2007/004158 Ceased WO2008053215A1 (fr) 2006-11-02 2007-10-31 Systèmes de distribution de produits

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US (1) US20090294485A1 (fr)
EP (1) EP2094584A1 (fr)
WO (1) WO2008053215A1 (fr)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
EP2243743A1 (fr) * 2009-04-23 2010-10-27 Carlsberg Breweries A/S Procédé et système pour mettre sous pression et distribuer des produits liquides stockés dans une bouteille, une boîte, un récipient ou un dispositif similaire
WO2010119056A3 (fr) * 2009-04-15 2010-12-23 Carlsberg Breweries A/S Procédé et système de mise sous pression et de distribution de produits fluides stockés dans une bouteille, une canette, un récipient ou un dispositif similaire
EP2514711A1 (fr) 2011-04-18 2012-10-24 Anheuser-Busch InBev S.A. Appareil de distribution de liquide comportant une adsorption de gaz solide

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