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EP2605857B1 - Module de distribution - Google Patents

Module de distribution Download PDF

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Publication number
EP2605857B1
EP2605857B1 EP11743070.2A EP11743070A EP2605857B1 EP 2605857 B1 EP2605857 B1 EP 2605857B1 EP 11743070 A EP11743070 A EP 11743070A EP 2605857 B1 EP2605857 B1 EP 2605857B1
Authority
EP
European Patent Office
Prior art keywords
piston
chamber
dispensing module
wall
opening
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.)
Active
Application number
EP11743070.2A
Other languages
German (de)
English (en)
Other versions
EP2605857A1 (fr
Inventor
Hervé BODET
Eric Gaillard
Thomas Walter
David Kaiser
Clemens Reizel
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.)
Covestro Deutschland AG
Original Assignee
Bayer MaterialScience AG
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 Bayer MaterialScience AG filed Critical Bayer MaterialScience AG
Priority to EP11743070.2A priority Critical patent/EP2605857B1/fr
Publication of EP2605857A1 publication Critical patent/EP2605857A1/fr
Application granted granted Critical
Publication of EP2605857B1 publication Critical patent/EP2605857B1/fr
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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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B05C17/00559—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components the different components being stored in coaxial chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1081—Arrangements for pumping several liquids or other fluent materials from several containers, e.g. for mixing them at the moment of pumping
    • 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 or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/64—Contents and propellant separated by piston
    • 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 or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/74—Devices for mixing two or more different liquids to be transferred
    • B67D7/741—Devices for mixing two or more different liquids to be transferred mechanically operated

Definitions

  • liquid products are understood as meaning all products which can be dispensed via a dispensing module, that is also pasty or gaseous products and also solids dispersed in a gas.
  • Discharge modules for two liquid products are from document DE 29905762 U .
  • Two-piston systems are also known. From the DE 20 2007 004 662 U1 for example, a container with two pistons is known, which are arranged one above the other and slide along the wall of the container. On the container a two-way pump is arranged. A first way of the pump opens at the upper end of the container. The second path terminates in a conduit which traverses the first piston and slides along the same latter can. The first product is in the space above the first piston while the second product is in the space between the first and second pistons. Also in this device, the risk of not promoting the two products in a sufficiently precise ratio, relatively large.
  • the object of the invention is therefore to prevent malfunction in the event of deformation of the container and to allow a free choice of container shape.
  • the coupling means comprise a part connecting the first piston to the second piston, wherein the first piston, the part and the second piston form a piston unit, wherein the first chamber is annular and in its central region by the Part of the piston unit is limited and wherein the second chamber is concentric with the first chamber and disposed above it and the first piston and / or the second piston having a piston head, which is initially separated from the coupling means and after filling the dispenser module with the products irreversibly is connected to the coupling means.
  • the first and the second wall are preferably cylindrical, but other configurations are conceivable, for example, walls with an oval cross-section.
  • the inventive solution ensures that when using the dispensing module in a container with suitable dispensing means deformation of the container causes no malfunction of the dispensing module more.
  • the outer shape of the container can be chosen freely, making it possible to make it more user-friendly by the grip of the container and its ergonomics are improved.
  • piston systems have a product pressure in the chamber and a gas pressure below the piston.
  • gas pressure is higher than the product pressure.
  • Another aspect is the maintenance of product consistency or homogeneity.
  • the gas in the chamber relaxes or separates at higher product pressure compared to the gas pressure and thus leads to undesirable product changes.
  • the solution according to the invention allows the emptying as well as the maintenance of the homogeneity of the product formulation by the structural design of the piston system, even if the smaller product chamber has a higher pressure than the external gas pressure. This is achieved by the larger surface pressure of the larger piston on the smaller piston.
  • An embodiment of the invention is that the coupling means traverse the first chamber and the side facing away from the opening of the first chamber side of the first Contact piston with the side facing away from the opening of the second chamber side of the second piston.
  • fastening means are provided to connect the dispensing module to removal means or means for closing the openings of the chambers.
  • the part which connects the first piston to the second piston is preferably cylindrical, and here, according to the design of the wall, other configurations are also conceivable.
  • removal means are provided, which are in communication with the openings of the chambers.
  • the extraction means comprise a two-way valve or a two-way pump, wherein the first path communicates with the opening of the first chamber and the second path with the opening of the second chamber.
  • the removal means comprise a metering device.
  • closing means are provided to close the openings of the first chamber and the second chamber, wherein the closing means have an open and a closed position.
  • a housing is provided, which is fastened to the dispensing module or to the removal means or to the closing means.
  • the invention relates to a dispensing module (1) with two chambers (20, 30), which is attached to a valve (4) of a container (5), preferably a pressure vessel.
  • a dispensing module (1) with two chambers (20, 30), which is attached to a valve (4) of a container (5), preferably a pressure vessel.
  • Each chamber (20, 30) is provided with a piston (61, 64 and 7).
  • Coupling means are provided to couple the two pistons (61, 64 and 7) together after filling the chambers so that they move simultaneously.
  • the valve (4) is preferably a two-way valve, so that the product contained in the first chamber (20) only upon exiting the valve (4) or possibly only upon exiting from the valve (4) fixed outlet opening with the product of the second chamber (30) comes into contact.
  • the invention also relates to the dispensing module (1) mounted on a valve (4) and the container comprising a valve (4) provided with a dispensing module (1) and mounted on a housing (5).
  • the dispensing module (1) consists essentially of an outer shell (2), wherein in a part (21) of the same, the first piston (61) slides and the first chamber (20), of an inner shell (3), in the the second piston (64 and 7) slides and the second chamber (30) is formed of coupling means (62) for coupling the two pistons (61, 64 and 7) together and retaining means (8) for abutting the first one Serve piston (61).
  • the outer shell (2) consists of a first, lower cylindrical part (21) and a second, upper cylindrical part (22) of smaller diameter.
  • the two cylindrical parts are connected by a radial connecting wall (23).
  • the wall of the second cylindrical part penetrating the radial wall (23), easily penetrates into the upper part of the first cylindrical part (21).
  • This projection (25) serves as an upper stop for the first piston (61).
  • the second cylindrical part (22) has in its upper region an annular radial shoulder (26) which is penetrated by one or more openings (261). It is thus achieved that the first jacket is tubular with openings at both ends.
  • Channels (24) are arranged on the inside of the second cylindrical part (22). They extend over the entire height of this second part (22).
  • the upper side of the second cylindrical part is provided with attachment means (27) with which the two-chamber delivery module (1) is attached to the two-way valve (4).
  • These fastening means (27) comprise a crown, which is provided with locking means which can cooperate with complementary locking means on the two-way valve (4).
  • the inner shell (3) consists essentially of a cylindrical.
  • Main part (31) whose outer diameter substantially corresponds to the inner diameter of the second cylindrical part (22) of the outer jacket (2).
  • the cylindrical body portion (31) tapers in its upper portion, preferably by forming a frusto-conical wall (32), and terminates with a cylindrical portion forming a sleeve (33).
  • the inner shell also has a tubular shape with openings at both ends.
  • the sleeve (33) has an annular radial groove (331) which is open to the outside and the bottom diameter and height of the inner diameter and the height of the annular shoulder (26) of the second cylindrical portion (22) of the outer shell (2) correspond.
  • the inner shell (3) can be inserted inside the upper cylindrical wall (22) of the outer shell (2) until the sleeve (33) enters the opening in the center of the annular shoulder (26) and shoulder (26). engages in the groove (331).
  • the inner shell (3) is fixed in this way inside the outer shell (2).
  • the length of the inner shell (3) is chosen so that the lower end is aligned with the position locked in the outer shell (2) to the lower end of the upper cylindrical part (22) of the outer shell (2).
  • the inner shell (3) serves to define with the channels (24) the outlet lines for the product contained in the first chamber (20):
  • the channels (24) are dimensioned so that they open in the space which is above the frusto-conical wall (32) but below the annular shoulder (26).
  • the two pistons are combined in a piston unit (6).
  • the first piston has a radial annular part (61) attached to the lower end of a cylindrical part (62).
  • the radial annular part (61) has at its edge an axial rim (63) extending from the side of the annular part (61) facing away from the cylindrical part (62).
  • the outer diameter of this ring (63) corresponds to the inner diameter of the first cylindrical part (21) of the outer shell.
  • the ring (63) is provided with sealing means for sealing the piston (61) to the inside of the lower part (21) of the outer shell (2).
  • These sealants are formed, for example, as flowable highly viscous sealants in the form of lubricants or as sealing lips (631), which consist for example of elastomeric materials.
  • the outer diameter of the cylindrical part (62) of the piston unit (6) substantially corresponds to the inner diameter of the inner shell (3).
  • the first chamber (20) by an annular space between on the one hand the cylindrical lower part (21) of the outer shell and the cylindrical part of the piston unit (62) and on the other hand between the first piston (61) and the radial part (23) the outer shell connecting the lower part (21) and the upper part (22) is formed.
  • This first chamber (20) is open to the outside via the channels (24), the space between the frusto-conical part (32) of the inner shell and the shoulder (26) of the outer shell and the openings (261).
  • An annular groove (611) is provided in the first piston (61) at the junction with the cylindrical part (62).
  • the shape of this annular groove (611) is complementary to that of the projection (25) of the outer shell (2).
  • the first piston (61) can slide inside the lower cylindrical part (21) of the outer shell (2). To prevent it from escaping therefrom, it is provided that after insertion of all parts of the dispensing module (1) into the outer shell (2) at the lower end of the same retaining means (8) to fix.
  • These retaining means (8) are formed as an axial rim (81) whose inner diameter substantially corresponds to the outer diameter of the lower cylindrical part (21) of the outer shell.
  • This axial rim (81) extends in its lower region via an annular radial wall (82) towards the center.
  • the retaining means (8) are attached to the lower end of the lower part (21) of the outer shell (2), for example by means of locking means.
  • the piston (61) can thus between a first position in which it abuts against the radial wall (23) of the outer shell (2) (see Fig. 3 ) and a second position in which its lower rim (63) abuts against the annular wall (82) of the retaining means (8) (see Fig. 4 ), be moved.
  • the second piston (64) is formed by the top (64) of the cylindrical part (62) of the piston unit (6).
  • This cylindrical part (62) thus serves as a coupling means, which make it possible to move the two pistons (61) and (64) simultaneously.
  • a piston head (7) is attached to the top (64).
  • the piston head in one piece directly at the top.
  • the piston head (7) consists essentially of a radial circular wall (71), which is extended downwards by a ring (72). Sealants are provided on the outside of the ring in the form of sealing lips (721). The outer diameter of the ring (72) corresponds to the inner diameter of the cylindrical main part (31) of the inner shell (3).
  • the second chamber (30) is defined by the space between on the one hand the inner side of the inner shell (3) and on the other hand the frusto-conical part (32) thereof and the piston (64 or 7). He is in the upper opening of the sleeve (33) open to the outside.
  • the head (7) of the piston (64) also serves as a sealing ring for the upper part of the first chamber (20).
  • the head (7) of the piston (64) is provided with locking means (722) which allow it to irreversibly lock on complementary latching means (641) which are arranged on the upper side (64) of the piston unit (6).
  • These locking means (641, 722) are dimensioned so that a sufficiently strong pressure on the piston head (7) must be exercised so that it engages the top of the piston (64), and is preferably provided with one or more raster elements, the possible Can compensate for filling tolerances. This avoids unwanted latching, especially when storing or handling the empty stamping modules.
  • the height of the cylindrical Main body (31) of the inner shell (and thus the height of the upper cylindrical portion (22) of the outer shell) selected so that when the piston unit (6) is in the upper position in which the first piston (61) on the radial connecting wall (23) abuts, there is sufficient space in the interior of the inner shell for the cylindrical part (62) and the detached, not locked piston head (7).
  • Such a two-chamber unit is intended to be mounted on dispensing means such as a two-way valve (4) or a two-way pump. It is also possible to provide only closing means which are opened during the dispensing process.
  • the dispensing means may comprise dosing means so that upon actuation of the dispensing means a predetermined amount of each of the products is dispensed.
  • Two-way valves are known, for example from the documents US 3,915,345 A or WO 2007/132 017 A1 , The example shown here is a two-way valve of the type described in the latter document. The operation of this valve is therefore not described in detail, but only the specifics that arise in the context of its application in a two-chamber system according to the invention will be explained below.
  • the valve body (41) comprises a first part in the form of a downwardly bulged collar (42) and a second central part in the form of a cylindrical pin (43), wherein the part in the form of the collar (42) surrounds the peg-shaped part (43) ,
  • the collar-shaped part (42) is provided at its lower end with retaining means, which are complementary to those (27) of the outer shell (2).
  • These holding means are dimensioned so that a tight connection between the outer jacket (2) and the collar-shaped part (42) is provided.
  • the pin-shaped part (43) is dimensioned so that it penetrates into the sleeve (33) of the inner shell and also ensures a tight connection.
  • the valve is provided with two separate ways, from one in the space between the collar (42) and the pin (43) and the other in the interior of the pin (43) opens.
  • the dispensing module (1) is mounted on the valve (4), the first chamber opens in the first path and the second chamber in the second path of the valve.
  • the unit consisting of the two-chamber delivery module (1) and the delivery means (4) can then be mounted in a housing (5). If the dimensions of the dispensing unit (1) and in particular the outer diameter of the outer jacket (2) and / or the diameter of the valve disc (44) of the dispensing means allow this, the dispenser module (1) can be inserted into the interior of a prefabricated housing. Otherwise, it is necessary to form the housing (5) around the dispensing module (1). This is the case with the example shown in the figures.
  • a first advantage of the dispensing module is the fact that it is possible to use housings of any shape, in particular housings with curved or profiled exterior.
  • a second advantage is that deformations of the housing have no influence on the functioning of the pistons. While in the prior art, the slightest bump could hinder the sliding of the piston on the housing or its deformation could cause a leakage of the first chamber, the container provided with the dispensing module according to the invention is shock resistant.
  • FIG. 3 shows a container provided with a dispensing module (1) attached to a two-way valve (4), the two-way valve (4) being mounted on the neck of the housing (5).
  • the gas is already introduced into the housing and exerts a pressure on both the first piston (61) and on the second piston (64) or in the present case on the piston head (7).
  • the container can now be filled with the two products. This starts with the first product over the first one Way of the dispensing means (4), then fill the openings (261) and the channels (24) in the first chamber (20).
  • the piston unit (6) is pushed back by the incoming product pressing on the piston (61).
  • the second piston has a separate piston head (7), it remains in its initial position, ie in the upper region of the second chamber (30), while the upper part (64) of the piston unit (6) is held by the first piston (7). 61) is pressed down.
  • An opening (642) in the top of the piston unit (6) prevents the formation of a vacuum between the fixed piston head (7) and the downwardly extending top of the piston (64).
  • the rim (63) of the first piston (61) abuts against the annular radial wall (82) of the retaining means (8), as in FIG FIG. 4 shown.
  • the second product can now be filled via the second path of the valve (4) and the pin (43), and the sleeve (33) in the second chamber (30).
  • the incoming product pushes the piston head (7) downwards.
  • the gas in the space between the inside of the cylindrical part (62) of the piston unit is expressed via the opening (642) in the top part (64) of the piston unit.
  • the pressure exerted by the second product on the piston head (7) is sufficient to overcome the resistance of the latching means (641, 722) and lock the piston head (7) into the piston unit (6).
  • the two pistons (61, 64) are now coupled together and can only move simultaneously. This corresponds to the in FIG. 5 illustrated situation. It only needs a spray head on the rod (45) of the valve are plugged and possibly a protective cap can be applied.
  • the container is ready for use. Thanks to the separate piston head (7) it is possible to fill the container with two separate filling units.
  • the second piston is formed directly on top of the piston unit (6), this side has no opening (642), the shutdown of this top, which takes over the role of the piston, air in the second chamber (30), which forms simultaneously with the first one. Therefore, the air contained in this second, already formed chamber (30) must be sucked off before the second product is filled.
  • the chambers (20, 30) form only when filling the product. If a separate piston head (7) is provided for the second chamber (30), this (30) is not formed simultaneously with the first chamber (20). On the contrary This forms only when filling the second product. It is therefore not necessary to provide a suction device for removing the air from the second chamber before the second product is filled.
  • the ratio between the initial volume of the first and second products is determined by the ratio between the area of the first (61) and second pistons (64).
  • the dispensing module thus allows a very high precision in terms of the ratio of the initial volume of the two products. Due to the area ratio between the area of the first piston (61) and the second piston (64), it is also possible to fill the second chamber (30) with a higher pressure than the outside pressure.
  • first piston (61) can also be formed with a separate piston head.
  • the piston head is then annular and filling begins with the second chamber (30) and not with the first chamber (20) when only the first piston has such a piston head.
  • the height of the first cylindrical portion (21) of the outer shell and / or the cylindrical portion (62) of the piston unit must be sufficiently large to allow the piston unit (6) to fully penetrate into the inner shell, with strikes her upper part without the annular piston head engages in the piston unit (6).
  • the second piston (64) is also provided with a separate piston head (7).
  • the dispensing module (1) is used on a pressure vessel, as is the case in the example shown here, then it may be useful to the unit consisting of the dispensing unit (1) and the dispensing means (4) in the housing (5) fasten, wherein the valve plate (44) is not mounted on the housing (5). This makes it possible to fill the propellant during filling before the valve plate (44) is mounted on the housing (5).
  • a fork (9) is provided which the Blocked unit so that the tip of the second cylindrical portion (22) of the outer shell abuts against the inner side of the top of the housing (5).
  • This removable fork (9) penetrates into a groove (28), which is provided for this purpose at the top of the outer jacket (2) below the fastening means (27).
  • valve plate (44) fastens the valve plate (44) to the housing (5) of the pressure vessel, then to fill the dispensing module (1) and to fill the gas via an opening in the bottom of the pressure vessel, which is subsequently closed. If the gas is filled from above, it must be ensured, for example, by channels provided for this purpose that the gas can flow to the bottom.
  • Suitable propellant for discharging the product are, in particular, compressed gases, such as nitrogen, oxygen and compressed air, and also liquefied gases, such as hydrocarbons, for example butane and isopentane, dimethyl ether and fluorine hydrocarbons.
  • compressed gases such as nitrogen, oxygen and compressed air
  • liquefied gases such as hydrocarbons, for example butane and isopentane, dimethyl ether and fluorine hydrocarbons.
  • hydrocarbons for example butane and isopentane, dimethyl ether and fluorine hydrocarbons.
  • mechanical systems such as springs or elastic materials with restoring force, such as elastomers
  • Reactive systems can be, for example, gas-evolving systems (eg CO 2 ), curing systems (eg chemical reactions such as chain extension, crosslinking, coagulation, polymerization, in particular in the field of polyurethane chemistry), gelling systems with possibly a change in viscosity , Generation of active substances (eg chlorine, hypochlorite, H 2 O 2 , sulfur, iodine), enzymatic systems, acid-base systems, temperature-changing systems (eg exothermic or endothermic mixtures) or adhesive systems.
  • gas-evolving systems eg CO 2
  • curing systems eg chemical reactions such as chain extension, crosslinking, coagulation, polymerization, in particular in the field of polyurethane chemistry
  • gelling systems with possibly a change in viscosity
  • Generation of active substances eg chlorine, hypochlorite, H 2 O 2 , sulfur, iodine
  • enzymatic systems eg acid-base systems, temperature-changing systems (e
  • product concepts include blends and the production of specific material properties such as emulsions, dispersions, W / O, ⁇ / W, W / ⁇ / W, odors, drug mixtures (AM), mixtures of active substances (eg vitamins), colors (eg coloring of objects and body parts), disinfecting mixtures and certain flow or sliding properties.
  • specific material properties such as emulsions, dispersions, W / O, ⁇ / W, W / ⁇ / W, odors, drug mixtures (AM), mixtures of active substances (eg vitamins), colors (eg coloring of objects and body parts), disinfecting mixtures and certain flow or sliding properties.

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

Claims (8)

  1. Module de distribution (1) pour deux produits fluides, comprenant:
    - une première chambre (20) avec une première paroi, la première chambre présentant une première ouverture,
    - un premier piston (61) qui peut être déplacé en appui contre la paroi de la première chambre (20),
    - un deuxième piston (64) qui peut être déplacé en appui contre une paroi d'une deuxième chambre (30),
    - des moyens d'accouplement (62) pour l'accouplement des deux pistons (61, 64) pendant la distribution des produits étant prévus,
    le module de distribution (1) présentant une deuxième chambre (30), en appui contre la paroi de laquelle peut être déplacé le deuxième piston (64 et 7), la deuxième chambre (30) présentant une deuxième ouverture, les moyens d'accouplement présentant une partie (62) qui relie le premier piston (61) au deuxième piston (64 et 7), le premier piston (61), la partie (62) et le deuxième piston (64 et 7) formant une unité de piston (6), la première chambre (20) étant réalisée sous forme annulaire circulaire et étant limitée dans sa région centrale par la partie (62) de l'unité de piston (6) et la deuxième chambre (30) étant disposée concentriquement par rapport à la première chambre (20) et au-dessus de celle-ci, caractérisé en ce que le premier piston (61) et/ou le deuxième piston (64) présentent une tête de piston (7) qui initialement est séparée des moyens d'accouplement (62) et qui est connectée de manière irréversible aux moyens d'accouplement (62) après le remplissage du module de distribution avec les produits.
  2. Module de distribution selon la revendication 1, caractérisé en ce que les moyens d'accouplement (62) traversent la première chambre (20) et mettent en contact le côté du premier piston (61) opposé à l'ouverture de la première chambre (20) avec le côté du deuxième piston (64 et 7) opposé à l'ouverture de la deuxième chambre (30).
  3. Module de distribution selon la revendication 1 ou la revendication 2, caractérisé en ce que des moyens de fixation (27, 33) sont prévus, afin de raccorder le module de distribution à des moyens de prélèvement (4) ou des moyens pour fermer les ouvertures des chambres.
  4. Module de distribution selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des moyens de prélèvement (4) sont prévus, lesquels sont en liaison avec les ouvertures des chambres (20, 30).
  5. Module de distribution selon la revendication 4, caractérisé en ce que les moyens de prélèvement comprennent une soupape à deux voies (4) ou une pompe à deux voies, la première voie étant en liaison avec l'ouverture de la première chambre (20) et la deuxième voie étant en liaison avec l'ouverture de la deuxième chambre (30).
  6. Module de distribution selon la revendication 4 ou 5, caractérisé en ce que les moyens de prélèvement comprennent un dispositif de dosage.
  7. Module de distribution selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des moyens de fermeture sont prévus pour fermer les ouvertures de la première chambre (20) et de la deuxième chambre (30), les moyens de fermeture présentant une position ouverte et une position fermée.
  8. Module de distribution selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il est prévu un boîtier (5) qui est fixé au module de distribution (1) ou aux moyens de prélèvement ou aux moyens de fermeture.
EP11743070.2A 2010-08-16 2011-08-12 Module de distribution Active EP2605857B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11743070.2A EP2605857B1 (fr) 2010-08-16 2011-08-12 Module de distribution

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10172924 2010-08-16
EP11743070.2A EP2605857B1 (fr) 2010-08-16 2011-08-12 Module de distribution
PCT/EP2011/063910 WO2012022686A1 (fr) 2010-08-16 2011-08-12 Module de distribution

Publications (2)

Publication Number Publication Date
EP2605857A1 EP2605857A1 (fr) 2013-06-26
EP2605857B1 true EP2605857B1 (fr) 2015-08-12

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Application Number Title Priority Date Filing Date
EP11743070.2A Active EP2605857B1 (fr) 2010-08-16 2011-08-12 Module de distribution

Country Status (5)

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US (2) US20130161352A1 (fr)
EP (1) EP2605857B1 (fr)
JP (1) JP2013537504A (fr)
CN (1) CN103052450A (fr)
WO (1) WO2012022686A1 (fr)

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Also Published As

Publication number Publication date
CN103052450A (zh) 2013-04-17
US20130161352A1 (en) 2013-06-27
US20150122836A1 (en) 2015-05-07
JP2013537504A (ja) 2013-10-03
WO2012022686A1 (fr) 2012-02-23
US9624021B2 (en) 2017-04-18
EP2605857A1 (fr) 2013-06-26

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