EP2926914B1 - Verfahren zur flüssigkeitsextraktion aus einem flüssigkeitsverteilungsgerät mithilfe von gaseinspritzung - Google Patents

Verfahren zur flüssigkeitsextraktion aus einem flüssigkeitsverteilungsgerät mithilfe von gaseinspritzung Download PDF

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Publication number
EP2926914B1
EP2926914B1 EP15248033.1A EP15248033A EP2926914B1 EP 2926914 B1 EP2926914 B1 EP 2926914B1 EP 15248033 A EP15248033 A EP 15248033A EP 2926914 B1 EP2926914 B1 EP 2926914B1
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EP
European Patent Office
Prior art keywords
liquid
container
pumping device
volume
dispenser
Prior art date
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Application number
EP15248033.1A
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English (en)
French (fr)
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EP2926914A1 (de
Inventor
Jean-Philippe Lamboux
Loïc BOUET
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Techniplast SARL
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Techniplast SARL
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Publication of EP2926914A1 publication Critical patent/EP2926914A1/de
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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 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
    • 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
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00442—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being actuated by the difference between the atmospheric pressure and the pressure 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
    • B05B11/0005—Components or details
    • B05B11/0097—Means for filling or refilling the sprayer
    • 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
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
    • B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material

Definitions

  • the invention relates to a method for extracting a liquid such as perfume present in a liquid dispensing apparatus.
  • a liquid distribution device comprises a liquid container, and connected to the container, a liquid distribution device which is capable of taking liquid from the container (generally by pumping the liquid) and of conveying it by a path to at least one liquid outlet in order to distribute this liquid outside the device.
  • liquid dispensing devices present in these devices are generally configured to dispense a predetermined dose of liquid. They therefore do not make it possible to increase this dose.
  • the present invention thus relates to a method for extracting liquid from a liquid distribution apparatus as defined in claim 1.
  • the injection under pressure of a volume of gas into the container through the open air inlet (s) has the effect of expelling a predetermined quantity of the liquid (corresponding substantially to the volume of gas injected at the compression height gas near) the container in the liquid distribution device (the device is in communication, on the one hand, with the liquid of said container and, on the other hand, with the outside), then out of the device.
  • the injected gas thus drives the liquid out of the container and forces it to be extracted.
  • part of the conventional liquid distribution device generally an external part
  • the other part comprising the pumping device being left mounted in the container.
  • the process is particularly simple to implement.
  • the path for conveying the liquid to said at least one liquid outlet may, depending on the case, only open under the pressure / vacuum created by the injection. gas and thus be partially open or closed in the actuated position.
  • the liquid distribution device is generally actuated from the outside (for example by a downward vertical support which causes pumping of the liquid) in order to come take a predetermined and limited dose (by construction of the device) of liquid which will then be distributed outside.
  • the pumping device in the actuated position is rendered inoperative, which makes it possible not to be limited by the metering of liquid linked to the design of the pumping device. It is therefore possible to extract liquid through the pumping device without being limited by the metering specific to the device. The quantity (or volume) of liquid extracted can therefore be increased depending on the volume of gas injected.
  • the invention also relates to a liquid dispensing device according to claim 6.
  • the injection and extraction system generally replaces a part of a conventional distribution device which acts as an actuation piece (external) of the liquid pumping device.
  • the part of the conventional device has only one passage for conveying the pumped liquid to the dispensing outlet.
  • the liquid extraction is carried out through the pumping device in an actuated position.
  • the device is particularly simple in design since it is obtained by replacing part of the dispensing device with a suitable system (interface for the gas inlet and the liquid outlet).
  • This head is attached to the pumping device of the liquid dispensing device from which the actuation part has been removed (dispensing pusher) and it is mounted on the pumping device and, for example, also on a part of the device surrounding this device (eg container neck and / or closure element of the container opening).
  • This head can be configured according to the intended application and contains in itself all of the gas injection and liquid extraction elements mentioned above.
  • the head somehow plays the role of an interface between the device (or a part of it) and the outside.
  • the container 12 comprises, at its upper end 12a opposite the bottom 12b, an opening 16 in which a part of the device 14 is engaged.
  • the opening 16 is arranged at a narrowed section forming the neck of the container.
  • the opening could alternatively be carried out in a container whose upper end has a different shape (different neck or absence of a neck).
  • the rigid container is for example a glass bottle.
  • the device 14 is for example fixed to the container by crimping by means of a capsule 18 (eg aluminum) which surrounds part of the device and rests, on the one hand, on said device and, on the other hand, on a rim formed at the neck 12c of the container.
  • the capsule 18 is shaped to match the external shape of the parts which it surrounds.
  • the device is mounted and fixed to the container by screwing at the opening of the latter, generally by means of a thread on the inner surface of the wall delimiting the opening (here , the relevant wall defines the neck of the container).
  • the device 14 comprises a pumping device (pump) for pumping the liquid which is present in the container.
  • pump a pumping device
  • the device 14 also includes a so-called dispensing part which is located outside the container (above the container in the normal operating position of the device) and which comprises a part or actuating member 22 (push button distribution) to activate the pumping of the liquid and the distribution of the pumped liquid outside the device and therefore the device.
  • a so-called dispensing part which is located outside the container (above the container in the normal operating position of the device) and which comprises a part or actuating member 22 (push button distribution) to activate the pumping of the liquid and the distribution of the pumped liquid outside the device and therefore the device.
  • This member is represented here by a dispensing pusher which takes the form of a cap or hollow cap coming to cap the pumping device 20.
  • the user exerts with a finger a downward vertical pressure on the pusher 22 as indicated on the figure 2 to pump liquid for dispensing.
  • the piston 26 comprises a body, the central part of which has a wall pierced in order to communicate, on command, the zones situated on either side of the wall.
  • the jacket includes a part called the chamber inside which the piston moves and which houses the return spring 27.
  • the chamber is delimited at the bottom by the internal shoulder supporting the spring.
  • the pumping device also comprises a hollow rod 28 which is fixed at its base 28a to the piston 26 and at its opposite end 28b to the pusher 22. More particularly, the opposite end 28b of the rod is fitted into an internal thickness of the pusher in which is arranged a channel 29 for the liquid outlet. This channel is in communication with the internal conduit to the hollow rod 28.
  • the external action of vertical downward thrust on the pusher 22 is transmitted to the rod 28 which presses on the piston and thus allows it to slide towards the lower part of the jacket 24 by compressing the spring 27 ( figure 2 ).
  • the pumping device also comprises two valve systems 30, 32 (seat and valve): one 30 is placed between the piston and the rod and the other 32 is placed in the lower part of the jacket.
  • Each valve system comprises a valve seat and a valve movable relative to its seat and which takes, for example, the shape of a ball.
  • the valve system 30 comprises, on the one hand, a seat 30a provided with a through opening 30b which corresponds to the pierced wall of the central part of the piston 26 and, on the other hand, a ball 30c which closes or not , depending on its position ( figure 1 or 2 ), the opening 30b.
  • the internal conduit to the hollow rod 28 has an enlarged portion 28c in which the ball 30c can move when it departs from the opening and frees access to it.
  • the internal duct is extended by a part 28d of reduced diameter smaller than that of the ball in order to limit its movement.
  • the jacket 24 is extended vertically downwards beyond the internal shoulder 24a for supporting the spring by a first narrowed portion 24b which, in turn, is connected, by a second converging portion 24c, to a third portion 24d forming a chimney.
  • a suction tube 34 or dip tube is fitted into the chimney 24d and extends towards the bottom 12b of the container.
  • the valve system 32 comprises, on the one hand, a seat 32a which is formed by the second converging portion 24c and, on the other hand, a ball 32b which may or may not close, depending on its position ( figure 1, 2 or 3 ), the entrance to the chimney 24d.
  • the capsule 18 comprises a lower portion 18a which is shaped around an external rim of the neck 12c of the container.
  • the capsule 18 also includes an upper portion 18b which encloses the arrangement of the jacket 24, the piston 26 and the rod 28 arranged concentrically.
  • the upper portion 18b forms a cap of which a first part extends substantially axially away from the lower portion 18a and a second part extends radially in the direction of the rod 28 but leaving a radial space between said upper portion 18b and said rod 28. This radial space forms an external air inlet for compensation inside the container as illustrated on the figure 2 .
  • the jacket has at its upper end an external rim 24e against which the first part of the upper portion 18b is supported laterally and on which rests a part 36 (ex: washer) forming an axial stop at both for the piston 26 and for the rod 28.
  • the rod 28 has in fact an external part with an enlarged external diameter which abuts against the part 36 and therefore remains confined within the piston and the jacket.
  • the part 36 has an internal diameter greater than the external diameter of the rod 28 in its non-enlarged external part (this part surrounds the duct part of reduced diameter 28d) in order to leave a radial space between the two elements in the position of the figure 2 .
  • the second radial extension part of the upper portion 18b is supported on the part 36.
  • the jacket 24 also includes one or more through holes 38 in its substantially cylindrical wall which delimits the chamber inside which the piston 26 slides.
  • holes 38 are made in an area of the wall at the level (altitude) of which the piston 26 is disposed when the appliance is in the rest position of the figure 1 .
  • the hole 38 connects the internal space to the container and the space located between the body of the piston 26 and the cylindrical wall of the jacket (this second space does not communicate with the remaining part of the shirt due to the sealing of the contact between the piston body, via the upper and lower sealing lips, and the jacket wall).
  • the translational movement of the piston in the jacket (induced by an external actuation on the part of the user) associated with the alternating actuation of the two valve systems generates a phenomenon of pumping of the liquid contained in the container.
  • the piston is actuated by the hollow rod through which the liquid to be pumped will pass and which is itself actuated by a finger of the user pressing on a dispensing plunger.
  • a volume of liquid is stored on standby in the jacket 24, between the piston 26 and the ball 32b. This volume of liquid corresponds to the dose of product that will be dispensed by the pumping device during the following pumping operation illustrated in the figure 2 .
  • valve system 30 opens (the ball 30c moves away from its seat 30a), the system valve 32 from the bottom remains closed, the spring 27 is compressed and the axial space between the piston and the ball 32b is reduced.
  • the liquid contained in this space passes through the valve system 30 open while the valve system 32 closed prevents any discharge of the liquid inside the container.
  • the valve system 30 opens mechanically via a system of stops when the pumping device is in the low pumping position.
  • the liquid thus follows a routing path, called normal, out of the dispensing device and therefore of the device.
  • This path includes the dip tube 34, the valve system 30 open, the jacket 24, the valve system 32 open, the parts of conduit 28c and 28d of the rod 28 and the channel 29.
  • the dose expelled by the pumping phenomenon generates a vacuum in the sealed and non-deformable container which is compensated by a return of compensating air into the container in order to rebalance the internal pressure of the container.
  • the device 10 is thus structured to allow the entry of compensating air (air intake) and, therefore, the communication between the outside and the inside of the container, during pumping.
  • compensating air air intake
  • one or more make-up air inlets are provided in the component parts of the device.
  • the peripheral internal space 40 arranged between the upper capsule portion 18b and the rod 28 forms such a compensation air inlet.
  • This air inlet 40 is placed in communication with the hole 38 of the jacket when the piston is lowered ( figure 2 ) and therefore with the interior of the container, thus creating a passage for the supply of outside air into the container as illustrated by the arrows indicating the path of the air.
  • the user released his push on the pusher 22 from a low position (in abutment) of the pumping device.
  • the return spring 27 pushes the piston 26 upwards, the valve system 30 closes and the valve system 32 opens (the ball 32b moves away from its seat 32a).
  • the space between the piston and the valve system increases, which creates a vacuum and therefore a suction of liquid through the submerged dip tube 34 (as indicated by the arrows).
  • the liquid rises in the tube and begins to fill the internal space of the jacket via the valve system 32 open to reach the position of the figure 1 .
  • the air intake passages described above close as the piston rises, in particular when the hole 38 is hidden / closed by the body of the piston 26 which reaches its level. The tightness of the device is thus restored.
  • the figure 4 illustrates a first embodiment of a liquid distribution apparatus comprising a liquid extraction system by injecting gas such as air into the apparatus.
  • the device of the figure 4 takes over part of the camera Figures 1 to 3 . It is also the same for the apparatus of figures 5 and 6 .
  • the injection and extraction head 50 forms an example of a liquid extraction system from the apparatus 10 by gas injection.
  • the head 50 comprises an axial housing 52 whose diameter corresponds to the external diameter of the free end 28b in order to accommodate a part of said free end.
  • the head 50 also includes an axial duct 54 (channel 5 for conveying liquid forming an element for extracting the liquid external to the pumping device) extending the axial housing 52, with an internal diameter corresponding to the internal diameter of the part of the duct 28d , and opening onto the outside through an opening outlet opening 54a.
  • the conduit 54 communicates with the rod 28 of the pumping device by its opposite end 54b.
  • a peripheral seal 56 is arranged in the axial housing 52 around the free end 28b and a projecting portion of the rod.
  • a peripheral seal 58 is arranged in the wall of the head which comes into contact with the upper portion 18b of the capsule.
  • the filling head 50 also comprises an air injection channel 60 (air injection element) which is formed in at least part of the thickness or height of the head.
  • This channel comprises an inlet orifice 60a disposed at one of the walls of the head and an outlet orifice 60b arranged at the opposite end of the channel and which opens into an area of the head surrounding the rod 28. More particularly , the orifice 60b opens into an annular space 62 situated at the entrance to the axial housing 52.
  • the head 50 thus integrates into its body both a liquid extraction element and a gas injection element.
  • the channel 60 is here oriented with an angle of inclination less than 90 ° relative to the axis of the axial duct 54.
  • the head 50 is mounted on the pumping device (protruding rod 28) and on the external part of the device which closes the container 12 and surrounds the rod.
  • the head 50 is then pressed axially (e.g. vertically) in order to actuate the pumping device in a low actuated position and to lock the head in this position on the device by one or more locking members (e.g. snap-fastening) .
  • This makes it possible to obtain a sealed contact with the device and for the head thus locked to exert on the pumping device a permanent actuation control which maintains said device in the actuated position.
  • locking member or members allow for example the head to hang on the bottom of the container 12 by the external part of the latter.
  • the locking members comprise for example several elastic tabs (ex: 2, 3 ...) which extend axially (vertically downwards) from the underside of the head, surround the container and include , at their free end, a return to hang on the outer edge of the bottom of the container.
  • the legs have a height (axial extension) adapted so that, once hung (by retention) on the edge of the bottom of the container, the head exerts a permanent axial thrust on the pumping device (support / pushing) and thus forces it into an actuated position.
  • the legs can be replaced by a single locking member such as a skirt surrounding the container and coming, by a terminal internal rim, to be retained on the edge of the bottom of the container.
  • one or more independent locking members of the head can enclose both the upper face of the head (face comprising the orifice 54a) and the bottom of the container and exercise the same function.
  • the head is thus mounted in a removable and sealed manner on the pumping device.
  • the liquid extraction by gas injection is ready to be carried out.
  • one or more passages for the air intake are arranged in the device by means of the communication of the peripheral space 40 and the hole (s) 38 (inlet (s ) open compensation air (s)).
  • this or these passages are open and air is introduced or injected under pressure, (by suitable means such as a piston or the like) via the injection channel 60 (from a source d pressurized air (not shown) in the space 62, then in the passage or passages through the space 40 and the hole or holes 38, to open into the container. Pressing the pumping device makes it inoperative (disabled).
  • the injection pressure varies over a range from 200 mbar to 2 bar.
  • valve system 32 opens under the pressure of the liquid (the ball 32b moves away from its seat 32a and rises ).
  • the valve system 30 is open (the ball 30c moves away from its seat 30a and rises) by design due to the support on the pumping device.
  • the liquid is thus forced to circulate in a part of the normal path of liquid transport (tube 34, valve 30 open, jacket 24, valve 32 open, rod 28) through the liquid distribution device , then in the axial duct 54 of the head before being expelled from the device through the orifice 54a.
  • the part of the liquid delivery path which is located in the part of the liquid distribution device remaining in the device after removal of the dispensing pusher forms a liquid extraction element of the device.
  • the liquid conveying channel 54 forms, for its part, a liquid extraction element which is present in the system 50 attached to the apparatus of the figure 1 after removing the dispensing button.
  • the pumping device being rendered inoperative when it is actuated (partially depressed or not), the quantity of liquid which is extracted from the device no longer depends on this means (displacement of the pump) but on the volume of air injected into the recipient.
  • the pumping device of the apparatus of the figure 4 must be actuated in an actuated position (not at rest) for which the compensation air inlet (s) is or are open to the outside.
  • the pumping device does not have to be in an actuated low-stop position in which the path or passage internal to the pumping device for conveying the liquid is open.
  • This path can indeed be open, closed or partially open depending on the pumping configurations (ball valves, mechanical valves which by design only open when the pump is pressed against the stop ).
  • valve system 30, 32 is open in the actuated position of the pumping device.
  • the head 50 is locked on the pumping device in an actuated position intermediate between the rest position (not actuated) and the lowest actuated position (in abutment).
  • the valve system (therefore the liquid delivery path) is then partially open or closed and it will open completely under liquid pressure (following the injection of gas under pressure).
  • the head is mounted on the pumping device in a sealed manner with the latter but does not exert a permanent mechanical stress on the device.
  • the pumping device is therefore at rest and it is actuated, by pressure / pressing on the head 50, only when it is desired to extract the gas injection liquid (such as a dispensing plunger).
  • the head can comprise several gas injection elements (eg channels) and / or several liquid extraction elements (eg channels).
  • the device of the figure 4 is shown in a vertical position but it can be used in an inclined position relative to this position.
  • the figure 5 illustrates a second embodiment of a liquid distribution apparatus comprising a liquid extraction system by gas injection.
  • the injection and extraction head 70 forms an example of a system for extracting liquid from the apparatus 10 by gas injection.
  • the head 70 comprises the axial housing 52 of the head 50 of the figure 4 .
  • the head 70 also includes an internal liquid delivery channel 72 (the channel 72 forms an element for extracting the liquid external to the pumping device) which extends the axial housing 52, of internal diameter corresponding to the internal diameter of the duct part 28d, and opens onto the outside through an orifice opening out from spray 72a forming a spray nozzle.
  • an internal liquid delivery channel 72 (the channel 72 forms an element for extracting the liquid external to the pumping device) which extends the axial housing 52, of internal diameter corresponding to the internal diameter of the duct part 28d, and opens onto the outside through an orifice opening out from spray 72a forming a spray nozzle.
  • the channel 72 forms an elbow and comprises a first axial part 74, in the axis of the axial housing 52 and a second part 76 which extends perpendicular to the first part and away from the latter, in the direction of the orifice. 72a.
  • the head 70 has a lateral projection 70a in which extends a fraction of the second part 76 of the channel and the orifice 72a in order to lengthen the channel in its part upstream of the orifice. Note, however, that this outgrowth can be omitted in a variant.
  • the opening orifice is then arranged directly in the lateral vertical wall of the block forming the head 70.
  • the operation of the device of the figure 5 integrating the system 70 is identical to that of the apparatus of the figure 4 : the air injected into the container 12 through the open compensation air inlet (s) propels liquid into the liquid distribution device (devoid of the pusher 22) and into the channel 76 in order to expel it by the orifice 72a in the form of a spray jet.
  • the head 70 is analogous to a push button such as the button 22 except for the fact that it incorporates one or more gas injection elements.
  • the elbow at the junction between the first 74 and second 76 parts can be rounded in order to improve the circulation of the liquid in the channel.
  • the figure 6 illustrates a third embodiment of a liquid distribution apparatus comprising a liquid extraction system by gas injection.
  • the injection and extraction head 80 forms an example of a system for extracting liquid from the apparatus 10 by gas injection.
  • the head 80 comprises the axial housing 52 of the head 70 of the figure 5 .
  • the head 80 also comprises an internal liquid conveying channel 82 (the channel 82 forms an element for extracting the liquid external to the pumping device) which extends the axial housing 52, of internal diameter corresponding to the internal diameter of the part of conduit 28d, and opens to the outside through a through hole 82a.
  • Channel 82 comprises two parts 84, 86 connected to each other at a right angle like channel 72 of the figure 5 .
  • the head 80 also comprises, relative to the main body, a lateral protuberance 80a in which extends a fraction of the second part 86 of the channel and the orifice 82a in order to form a pouring spout (tap).
  • the second part 86 thus extends along a first fraction 86a perpendicular to the first part 84 and away from the latter, then along a second fraction 86b inside the lateral projection 80a.
  • This second fraction 86b is first rectilinear, then is curved downward to the orifice 82a.
  • the operation of the device of the figure 6 integrating the system 80 is substantially identical to that of the apparatus of the figure 5 : the air injected into the container 12 via the open compensation air inlet (s) propels liquid into the liquid distribution device (devoid of the pusher 22) and into the channel 86 in order to expel it by the orifice 82a of the pouring spout in the form of drops of liquid.
  • another open container or bottle 90 is placed below the pouring spout 80a in order to collect the drops of liquid extracted from the container 12. This makes it possible to fill the container 90.
  • the container 90 illustrated in the figure 6 has an external thread 92 which allows the attachment to the opening 94 of a pump or a plug not shown.
  • this arrangement makes it possible to produce samples in containers such as the container 90 which are of smaller capacity than the container 12.
  • the pumping device 20 of the liquid distribution device mounted crimped on the container 12 therefore does not need to be dismantled using the liquid extraction method according to the invention which has just been described.
  • gas than air can be used.
  • a gas deprived of oxygen in order to limit the oxidation of the liquid of the container can be used.
  • Nitrogen or other inert gas or other gases such as freon or the like for their compression capacity can be used.

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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)

Claims (12)

  1. Verfahren zur Entnahme einer Flüssigkeit aus einer Einrichtung (10) zur Ausgabe einer Flüssigkeit, welche umfasst:
    - einen Flüssigkeitsbehälter (12),
    - eine Vorrichtung (14) zur Flüssigkeitsausgabe, die dazu geeignet ist, Flüssigket im Behälter zu entnehmen und diese durch einen Kanal mindestens einer Flüssigkeitsaustrittsöffnung (54a, 72a, 82a) der Vorrichtung zuzuführen, um die entnommene Flüssigkeit außerhalb der Einrichtung zu verteilen, wobei die Einrichtung im Inneren des Behälters mindestens einen Einlass (40) für Ausgleichsluft umfasst, der, wenn er geöffnet ist, den Ausgleich eines von der Vorrichtung (14) entnommenen Flüssigkeitsvolumens durch den Entritt eines Außenluftvolumens ermöglicht, wobei die Vorrichtung (14) eine Pumpvorrichtung (20) für die im Behälter enthaltene Flüssigkeit umfasst, wobei die Pumpvorrichtung dazu geeignet ist, eine Ruhestellung und, unter der Einwirkung eines Aktivationsbefehls, mindestens eine aktive Stellung einzunehmen, in der/denen der mindestens eine Ausgleichlufteinlass nach außen hin geöffnet ist, dadurch gekennzeichnet, dass das Verfahren umfasst: einen Schritt des Einspritzens eines Volumens an Extraktions-Gas unter Druck in den Behälter über den mindestens einen nach außen hin geöffneten Ausgleichslufteinlass, wenn sich die Pumpvorrichtung in einer aktiven Stellung befindet, sodass die im Behälter enthaltene Flüssigkeit mit Druck beaufschlagt wird, um diese im Flüssigkeitskanal zirkulieren zu lassen und so eine vorgegebene Flüssigkeitsmenge der Einrichtung zu entnehmen, wobei das Einspritzen des Gasvolumens in den Behälter unter Druck durch den mindestens einen geöffneten Ausgleichslufteinlass zur Folge hat, dass die vorgegebene Flüssigkeitsmenge aus dem Behälter ausgestoßen wird.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass es einen Schritt des Betätigens der Pumpvorrichtung, um diese in eine aktive Stellung zu bringen, umfasst.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Flüssigkeitsbehälter (12) mit einer Öffnung (16) versehen ist, in der die Ausgabevorrichtung (14) montiert ist, wobei der mindestens eine Einlass (40) auf Höhe der Öffnung des Behälters angeordnet ist und dazu geeignet ist, einerseits nach außen hin geöffnet zu werden, um den Eintritt von Ausgleichsluft von außen in den Behälter zu ermöglichen, wenn sich die Pumpvorrichtung (20) in der aktiven Stellung befindet, und andererseits geschlosssen zu werden, wenn sich die Pumpvorrichtung in der Ruhestellung befindet.
  4. Verfahren nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, dass die Ausgabevorrichtung ein auf der Pumpvorrichtung abnehmbar montiertes System (50, 70, 80) zum Einspritzen eines Gasvolumens und zur Entnahme von Flüssigkeit nach außerhalb der Einrichtung unter der Einwirkung des eingespritzten Gasvolumens umfasst.
  5. Vorrichtung nach Anspruch 4, wobei das Verfahren vor dem Schritt des Einspritzens eines Volumens an Extraktions-Gas umfasst: einen Schritt des Montierens des Flüssigkeitsentnahmesystems auf der Pumpvorrichtung als Ersatz eines Betätigungsglieds, das nur die Ausgabe der in den Behälter eingepumpten Flüssigkeit nach außen ermöglicht.
  6. Einrichtung zur Vergabe einer Flüssigkeit, umfassend :
    - einen Flüssigkeitsbehälter (12),
    - eine Vorrichtung zur Flüssigkeitsausgabe, die dazu geeignet ist, Flüssigket im Behälter zu entnehmen und diese durch einen Kanal mindestens einer Flüssigkeitsauslassöffnung (54a, 72a, 82a) der Vorrichtung zuzuführen, um die entnommene Flüssigkeit außerhalb der Einrichtung zu verteilen,
    - mindestens einen Einlass (40) für Ausgleichsluft im Inneren des Behälters, der, wenn er geöffnet ist, den Ausgleich eines von der Vorrichtung (14) entnommenen Flüssigkeitsvolumens durch den Entritt eines Außenluftvolumens ermöglicht, wobei die Vorrichtung (14) eine Pumpvorrichtung (20) für die im Behälter enthaltene Flüssigkeit umfasst, wobei die Pumpvorrichtung dazu geeignet ist, eine Ruhestellung und, unter der Einwirkung eines Aktivationsbefehls, mindestens eine aktive Stellung einzunehmen, in der/denen der mindestens eine Ausgleichlufteinlass nach außen hin geöffnet ist, dadurch gekennzeichnet, dass die Ausgabevorrichtung ein System (50, 70, 80) umfasst, das derart konfiguriert ist, dass es einerseits dem Behälter über den mindestens einen geöffneten Ausgleichslufteinlass einspritz und andererseits unter der Einwirkung des eingespritzten Gasvolumens die Flüssigkeit entnimmt.
  7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, dass das Einspritz- und Entnahmesystem (50, 70, 80) auf der Pumpvorrichtung (20) abnehmbar montiert ist.
  8. Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass das Einspritz- und Entnahmesystem umfasst:
    - mindestens ein Element (60) zum Einspritzen eines Volumens an Extraktions-Gas durch den mindestens einen Ausgleichslufteinlass,
    - mindestens ein Element (54, 72, 82) zur Entnahme einer vorgegebenen Flüssigkeitsmenge aus der Einrichtung, die die mindestens eine Öffnung (54a, 72a, 82a) umfasst).
  9. Einrichtung nach Anspruch 8, dadurch gekennzeichnet, dass das mindestens eine Element zur Entnahme der vorgegebenen Flüssigkeitsmenge aus der Einrichtung einen Kanal (54, 72, 82) zur Zuführung der Flüssigkeit umfasst, der an einem ersten eintrittsseitigen Ende an die Pumpvorrichtung angeschlossen und an einem entgegengesetzten zweiten austrittseitigen Ende mit der Außenseite verbunden ist, wobei das Austrittsende wahlweise eines der nachstehenden Elemente umfasst: eine Austrittsöffnung (54a), mindestens eine Sprühöffnung (72a), einen Ausgießer (80a).
  10. Einrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass das mindeestens eine Element zum Einspritzen eines Gasvolumens mindestens einen Gaseinspritzkanal umfasst.
  11. Einrichtung nach einem der Ansprüche 6 - 10, dadurch gekennzeichnet, dass das Einspritz- und Entnahmesystem auf der Pumpvorrichtung (20) dicht montiert ist.
  12. Einrichtung nach einem der Ansprüche 6 - 11, dadurch gekennzeichnet, dass das Einspritz- und Entnahmesystem derart auf der Pumpvorrichtung montiert ist, dass es darauf dauerhaft betätigend einwirkt, um die Pumpvorrichtung so in einer aktiven Stellung zu halten.
EP15248033.1A 2014-04-04 2015-04-03 Verfahren zur flüssigkeitsextraktion aus einem flüssigkeitsverteilungsgerät mithilfe von gaseinspritzung Active EP2926914B1 (de)

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FR3019531B1 (fr) 2019-08-09
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PT2926914T (pt) 2020-05-05
US9834369B2 (en) 2017-12-05
EP2926914A1 (de) 2015-10-07

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