EP2468415A1 - Dosing and mixing apparatus for multi-pack products - Google Patents
Dosing and mixing apparatus for multi-pack products Download PDFInfo
- Publication number
- EP2468415A1 EP2468415A1 EP10196972A EP10196972A EP2468415A1 EP 2468415 A1 EP2468415 A1 EP 2468415A1 EP 10196972 A EP10196972 A EP 10196972A EP 10196972 A EP10196972 A EP 10196972A EP 2468415 A1 EP2468415 A1 EP 2468415A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cartridge
- dosing
- mixing device
- thread
- piston
- 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.)
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Classifications
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- 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
- B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
- B65D83/0011—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container moved by a screw-shaft
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- 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
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- 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
- B05C17/00556—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 with means for adjusting the proportions of the components
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- 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
- B05C17/00566—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 with a dynamic mixer in the nozzle
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- 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
- B05C17/00576—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container
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- 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
- B05C17/00576—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container
- B05C17/00579—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container comprising means for allowing entrapped air to escape to the atmosphere
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- 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
- B05C17/00583—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 the container for the material to be dispensed being deformable
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- 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
- B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
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- 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
- B05C17/01—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 manually mechanically or electrically actuated piston or the like
- B05C17/0103—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 manually mechanically or electrically actuated piston or the like with electrically actuated piston or the like
-
- 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
- B05C17/01—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 manually mechanically or electrically actuated piston or the like
- B05C17/0116—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 manually mechanically or electrically actuated piston or the like characterised by the piston driving means
- B05C17/012—Stepwise advancing mechanism, e.g. pawl and ratchets
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- 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
- B05C17/01—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 manually mechanically or electrically actuated piston or the like
- B05C17/0116—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 manually mechanically or electrically actuated piston or the like characterised by the piston driving means
- B05C17/0133—Nut and bolt advancing mechanism, e.g. threaded piston rods
Definitions
- the invention relates to a metering and mixing device for multi-component materials, in particular multi-component adhesives, comprising at least two contiguous hollow-cylindrical cartridge receiving devices for receiving individual adhesive components, a Austriebsvorraumiques for simultaneously expelling the adhesive components from the cartridge through cartridge outputs by means of dipping into the cartridge sprouting pistons and a mixing device connected to the cartridge outlets, mixing the expelled adhesive components and discharging them mixed.
- a similar metering and mixing device is for example from the document DE 32 33 366 A1 for mixing a dental impression of two pasty components known.
- This device for mixing the components of a dental impression material described there comprises a disposable agitator with a base body having a mixing chamber, a plurality of separately opening into the mixing chamber feed channels for the components of the impression mass and an outlet opening for the mixed impression mass.
- the agitator further comprises a stirrer rotatably mounted in the mixing chamber, which is driven by a drive device, on which the agitator is removably held.
- the components of the impression compound are contained in storage cylinders and are inserted by pistons into the mixing chamber and pushed out after mixing through the outlet opening into the impression tray.
- the feed rate of actuators of the piston can be varied so that both the setting time of the impression mass determining ratio of the piston feed speed and the total feed or the feed duration and thus the mass impression mass can be controlled.
- a problem of such metering and mixing devices according to the preamble of claim 1 is that the dosing accuracy, especially at high proportions of the individual components - such as 50: 1 or higher -, problematic.
- the inventors have recognized that there is a significant problem with the accurate metering of multiple components, particularly those components with only a low mixing fraction, due to the very simple propulsion of the respective piston in the cartridges with low mixing components.
- This problem can be solved by not only a simple linear feed of the piston is used, but this piston is provided with a thread, which ensures that by a defined rotation of the piston, a corresponding propulsion arises.
- this propulsion can be adjusted very individually to the requirements of the respective mixing ratio of the individual components to be joined.
- the piston is equipped with an external thread which advances in the inner cylinder of the respective cartridge receiving device or the cartridge in which the component to be dosed, by corresponding rotation of the piston. In this case, it is usually not even necessary to install an internal thread within the cartridge. It is sufficient if the thread of the piston generates a self-tapping or self-embossing a corresponding negative thread on the inner wall of the cartridge or cartridge receiving device.
- the improvement according to the invention accordingly consists in that at least one ejector piston has a thread, which by a
- Rotation of the drive piston can produce a forward drive of the sprouting piston.
- any, preferably interchangeable, container is meant, which in each case contains one of the substance components.
- these can be cylindrical containers with a relatively solid wall or even tubular bags.
- At least one cartridge can be designed as a hollow cylinder in which there is at least one substance component.
- the thread of the at least one spiked piston can be in contact with a wall of the at least one hollow cylindrical cartridge.
- At least one cartridge can be a tubular bag in which at least one substance component is located.
- the thread of the at least one spiked piston can be used for this cartridge receiving device in which a tubular bag is used as a cartridge, then in contact with a wall of the cartridge receiving device.
- At least one of the cartridge receiving devices may comprise a hollow cylinder or at least be designed as such.
- at least one cartridge receiving device may have at least three cylindrically arranged rod-like supports into which a sufficiently stable cartridge can be inserted.
- the rotational speed of the drive shaft is adjusted according to the desired dosage.
- the sprouting piston which should ultimately dive into the cartridge to expel the material located there through a cartridge exit, carries its thread on the outside, so that the thread can be impressed into the inside of the cylindrical cartridge or cartridge receiving device and thus determines the propulsion.
- the at least one cartridge or cartridge receiving device in which there is at least one externally threaded spinner, there is already a negative thread to the external thread of the sprouting piston.
- the force required to drive the sprouting piston is slightly lower.
- a metering and mixing device in which a combination of a preferably smaller cartridge in which there is a Ausreteskolben threaded, and another cartridge receiving device with a linearly driven Austriebsstange for the Austriebskolben located there, through which there is a tubular bag, preferably with a much larger Dosieranteil than in the smaller cartridge, can be expelled.
- the linearly driven Austriebsstange have a regular toothing, in which a gear or a spindle thread can engage for propulsion.
- the linearly driven Austriebsstange vice versa also have a spindle thread, in which an external toothing can engage.
- metering and mixing device and at least one transmission to drive the sprouting pistons may be provided, in a particularly advantageous embodiment, a common transmission with a drive input and multiple output outputs for driving at least the drive piston can be provided.
- At least one linearly movable sprouting piston and at least one rotationally movable sprouting piston can be connected.
- a common gear through a common drive input on the one hand a translation to a linear propulsion, for example by means of a bevel gear or a gear drive or a spindle drive, and on the other hand has a rotating output, in which an axis is driven in rotation, to drive the threaded spinner piston for rotation.
- the mixing device can be designed both as a passive or static mixer or, alternatively, as an active or dynamic mixer, in particular as a rotary mixer.
- this mixer is connected to a transmission, in particular to the transmission for driving the sprouting pistons.
- a single common drive for example an electric motor
- the spinner pistons in particular the threaded spout piston, it is proposed that these have at least one venting device in the area of the spouting piston itself or alternatively that at least one of the cartridges or cartridge receiving devices into which the spouting piston is inserted has a venting device.
- at least one vent groove can be inserted in particular as a venting device in the rear part of the cartridge inner side or cartridge receptacle, so that excess air can escape laterally at least over part of the expulsion path.
- the dosing and mixing device it is proposed in a particular embodiment of the dosing and mixing device that at least two of the cartridge receiving devices are designed to have different lengths and / or at least two of the cartridge receiving devices have different diameters.
- the different length training the cartridge receiving devices can be easily compensated by attaching a corresponding thread pitch on the or the sprouting piston, which can be additionally or alternatively used with the help of different diameters of the different dosage of the individual components of the bill.
- the at least one transmission is driven by a motor, in particular by an electric motor.
- the inventors propose that the cartridge receiving devices are combined with sprouting pistons and adhesive components to form a unit and that the mixer and the at least one gear are designed separately or dockable or clipped.
- FIG. 1 shows a side view of a metering and mixing device 1 according to the invention with exemplified two cartridge receiving devices 2 and 3 of different diameters and different Length for a tubular bag 2.1 and a solid cartridge 3.1.
- the larger cartridge receiving device 2 is by means of a linear piston 16 which is connected to a rack 4 and is driven by this linearly in the cartridge receiving device 2 by means of a transmission 8, actuated.
- the cartridge receiving device 3 which has a much smaller diameter and is also much shorter than the cartridge receiving device 2, is operated according to the invention by a rotary piston having on the outside a thread which is impressed in the inside of the cartridge receiving device 3 or a cartridge inserted there 3.1 and generates by its rotation a propulsion of the ejector piston designed as a rotary piston.
- This rotary piston 11 is driven by a rotation axis 5, which is connected to the transmission 8, which has three different drive output sides in a single drive input side. These are on the one hand an output for the linearly advanced rack 4, on the other hand, an output for the rotating axis of rotation 5 and finally an output for the likewise rotating drive axle 10, which operates a rotary mixer 7.
- the two cartridge receiving devices 2 and 3 are connected on the output side with a cartridge coupling 6, through which also the material contained in the cartridge receiving devices 2 and 3 from the component outputs to the rotary mixer 7, which is also connected to the cartridge clutch 6, is conveyed.
- a cartridge coupling 6 through which also the material contained in the cartridge receiving devices 2 and 3 from the component outputs to the rotary mixer 7, which is also connected to the cartridge clutch 6, is conveyed.
- the construction of such a rotary mixer is well known. It also has a front-mounted discharge tip 17 through which the mixed material is ultimately discharged.
- the transmission 8 is driven in the embodiment of the metering and mixing device 1 shown here by means of an electric motor 9.
- FIGS. 2 and 3 two oppositely oriented 3D representations of a small cartridge 3.1, which in the cartridge receiving device 3 from the FIG. 1 is used.
- a rotary piston 11 provided for this purpose, which is provided on the outside with a thread and is screwed into the small cartridge 3.1, the discharge of the material within the cartridge 3.1 can be generated by a discharge spout 12 in a very accurate metered manner.
- FIG. 4 is a further embodiment of a cylindrical cartridge 3.1 shown with a solid outer wall into which a rotary piston can screw with its thread.
- a vent groove 14 is shown, which serves to allow excess air to escape during rotation of the rotary piston, thus ultimately the rotary piston directly on the expelled and above all accurately metered material component seated. Air inclusions would be counterproductive here with regard to the most accurate possible metering, since the compressibility of the air would in each case give rise to hysteresis phenomena between the actuation of the piston and the actually exiting amount of material.
- a preferred closure system of the cartridge can be seen on this cartridge 3.1, in which with the production of the cartridge, a closure 13 is integrally connected to the discharge spout 12. To open the closure 13, optionally with the aid of a corresponding tool, sheared off from the discharge spout by turning, so that a discharge opening is formed in the discharge spout.
- a closure is known for example in the field of toothpaste tubes.
- FIG. 5 is the cartridge 3.1 from the FIG. 4 shown again in a 3D representation.
- the rotary piston 11 is still in detail in different versions in the FIGS. 6 to 14 shown, the FIGS. 6 and 7 show an integrally producible variant, in which at the rotary piston 11 itself at the rear of a thread 11.1 is attached, then follow two front boundary rings between an O-ring can be used for additional sealing and finally the actual sealing ring 11.3 on front end of the rotary piston.
- On the front of the rotary piston is in the FIG. 6 to detect an air entrapment area 11.4 in which excess air can be trapped without negatively impacting the precise dosability of the entire system.
- FIG. 8 shows another variant of the rotary piston as 2K injection molding.
- FIG. 9 shows a two-part embodiment with a conventional piston front and a rear-mounted threaded sleeve on which the external thread 11.1 is mounted.
- FIG. 10 is a one-piece piston with a hard lip 11.3 shown at the front while in the FIG. 11 a variant of a rotary piston with an integrated vent in the piston itself is shown.
- FIGS. 12 to 14 show different connection variants of the rotary piston 11 according to the invention to a rotation axis.
- a variant is shown with a simple hexagon socket, in which a corresponding external hexagon is introduced.
- the shows FIG. 12a a connection with five upstanding jaws, in which a corresponding counterpart can engage.
- FIG. 13 shows a special embodiment in which the closure part of the rotary piston 11 and the closure part of the rotation axis 5 are designed so that they maneuver themselves without special intervention, during assembly even in the correct position and create a frictional connection.
- the rotary piston 11 in the FIG. 13a formed with four inner webs into which a corresponding counterpart can be inserted on the axis 5 and can engage positively.
- FIG. 14 shows again an embodiment of a rotary piston, similar to the FIGS. 6 and 7 , in which case the O-ring 18 between the two boundaries 11.2 is already attached.
- a rounded elongated recess can be seen, which also as positive fit connection can be used for a rotation axis, wherein the circular outer area can be additionally used, for example, to clip an outer ring of the rotation axis to the piston, so that the axis of rotation is forced to move along with a forward movement of the piston with this piston to the front.
- FIGS. 15 and 16 respectively 17 and 18 , two different cartridge couplings 6 are shown in detail.
- These cartridge couplings 6 have on their back each have two Einsteckflansche 19.1 and 19.2, in which the large and small cartridges are inserted.
- In the Einsteckflansch 19.1 and 19.2 two outlet openings 20.1 and 20.2 are respectively arranged, from which the material contained in the cartridges can be passed to a connected mixer.
- the cartridge clutches 6 still have a drive opening 21, through which the drive axle which comes from the transmission, can be guided to the rotary mixer.
- FIGS. 15 and 16 are the two outlet openings 20.1 and 20.2 including the drive opening 21 arranged in a line, while in the embodiment of the FIGS. 17 and 18 the cartridge coupling these openings form a triangle, resulting in a more compact design of the entire metering and mixing device.
- the invention thus a metering and mixing device, in particular for multi-component adhesives, proposed in which a plurality of hollow cylindrical cartridges each containing components and a Austriebsvoriques for simultaneous expulsion of the substance components are provided via a mixing device, wherein according to the invention at least one Austriebskolben has a thread which is in contact with a wall of the cartridge, so that rotation of the drive piston can produce a forward drive of the sprouting piston.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Accessories For Mixers (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Die Erfindung betrifft eine Dosier- und Mischvorrichtung für Mehrkomponentenstoffe, insbesondere Mehrkomponenten-Klebstoffe, aufweisend mindestens zwei zusammenhängende hohl-zylinderförmige Kartuschenaufnahmevorrichtungen zur Aufnahme einzelner Klebstoffkomponenten, eine Austriebsvorrichtung zum gleichzeitigen Austreiben der Klebstoffkomponenten aus den Kartuschen durch Kartuschenausgänge mit Hilfe von in die Kartusche eintauchenden Austriebskolben und eine Mischvorrichtung, welche mit den Kartuschenausgängen verbunden ist, die ausgetriebenen Klebstoffkomponenten mischt und diese gemischt austrägt.The invention relates to a metering and mixing device for multi-component materials, in particular multi-component adhesives, comprising at least two contiguous hollow-cylindrical cartridge receiving devices for receiving individual adhesive components, a Austriebsvorrichtung for simultaneously expelling the adhesive components from the cartridge through cartridge outputs by means of dipping into the cartridge sprouting pistons and a mixing device connected to the cartridge outlets, mixing the expelled adhesive components and discharging them mixed.
Eine ähnliche Dosier- und Mischvorrichtung ist beispielsweise aus der Druckschrift
Ein Problem solcher Dosier- und Mischvorrichtungen gemäß dem Oberbegriff des Patentanspruches 1 besteht darin, dass die Dosiergenauigkeit, insbesondere bei hohen Mengenverhältnissen der einzelnen Komponenten ― wie beispielsweise 50:1 oder höher ―, problematisch werden.A problem of such metering and mixing devices according to the preamble of
Es ist daher Aufgabe der Erfindung, eine Dosier- und Mischvorrichtung für Mehrkomponentenstoffe, insbesondere für Mehrkomponenten-Klebstoffe, vorzuschlagen, die auch bei großen Mengenunterschieden bezüglich der Mischung der Komponenten auch bei einfachen Produktionsbedingungen der entsprechenden Dosier- und Mischvorrichtung hohe Genauigkeitsanforderungen erfüllt.It is therefore an object of the invention to provide a metering and mixing device for multi-component materials, in particular for multi-component adhesives, which meets high accuracy requirements even with large differences in quantity with respect to the mixture of components even with simple production conditions of the corresponding metering and mixing device.
Diese Aufgabe wird durch die Merkmale des unabhängigen Patentanspruches gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand untergeordneter Ansprüche.This object is solved by the features of the independent claim. Advantageous developments of the invention are the subject of the subordinate claims.
Die Erfinder haben erkannt, dass ein wesentliches Problem bei der genauen Dosierung mehrerer Komponenten, insbesondere bezüglich der Komponenten mit nur geringem Mischungsanteil, aufgrund des sehr einfachen Vortriebs des jeweiligen Kolbens in den Kartuschen mit Komponenten mit geringem Mischungsanteil besteht.The inventors have recognized that there is a significant problem with the accurate metering of multiple components, particularly those components with only a low mixing fraction, due to the very simple propulsion of the respective piston in the cartridges with low mixing components.
Dieses Problem lässt sich dadurch lösen, dass nicht nur ein einfacher linearer Vorschub des Kolbens verwendet wird, sondern dieser Kolben mit einem Gewinde ausgestattet wird, welches dafür sorgt, dass durch eine definierte Drehung des Kolbens ein entsprechender Vortrieb entsteht. Durch eine sehr einfache genau zu definierende Gewindesteigung lässt sich dieser Vortrieb sehr individuell auf die Notwendigkeiten des jeweiligen Mischungsverhältnisses der einzelnen zusammenzuführenden Komponenten einstellen.This problem can be solved by not only a simple linear feed of the piston is used, but this piston is provided with a thread, which ensures that by a defined rotation of the piston, a corresponding propulsion arises. By means of a very simple thread pitch to be defined precisely, this propulsion can be adjusted very individually to the requirements of the respective mixing ratio of the individual components to be joined.
Besonders einfach ist es hierbei, wenn der Kolben mit einem Außengewinde ausgestattet wird, welches sich in den Innenzylinder der jeweiligen Kartuschenaufnahmevorrichtung oder der Kartusche in der sich die zu dosierende Komponente befindet, durch entsprechende Drehung des Kolbens vorschiebt. Hierbei ist es in der Regel nicht einmal notwendig, innerhalb der Kartusche ein Innengewinde anzubringen. Es reicht dabei, wenn das Gewinde des Kolbens sich selbstschneidend oder selbstprägend ein entsprechendes Negativgewinde auf der Innenwandung von Kartusche oder Kartuschenaufnahmevorrichtung erzeugt. Hierbei ist es auch besonders günstig, wenn im Falle einer ZweiKomponenten-Dosier- und Mischvorrichtung die eine Kartuschenaufnahmevorrichtung, in der sich die entsprechend reich zu dosierende Materialkomponente, zum Beispiel in einem Schlauchbeutel, befindet, mit Hilfe eines Linearantriebs für den Kolben vorgetrieben wird, während die Kartuschenaufnahmevorrichtung, die das sehr sparsam zu dosierende Material, zum Beispiel in einer zylindrischen festen Kartusche, in sich trägt, mit dem erfindungsgemäßen Kolben mit Gewinde durch Rotation des Kolbens vorgetrieben wird.It is particularly simple in this case if the piston is equipped with an external thread which advances in the inner cylinder of the respective cartridge receiving device or the cartridge in which the component to be dosed, by corresponding rotation of the piston. In this case, it is usually not even necessary to install an internal thread within the cartridge. It is sufficient if the thread of the piston generates a self-tapping or self-embossing a corresponding negative thread on the inner wall of the cartridge or cartridge receiving device. In this case, it is also particularly advantageous if, in the case of a two-component metering and mixing device, the one cartridge receiving device in which the correspondingly richly metered material component, for example in a tubular bag, is driven by means of a linear drive for the piston while the cartridge receiving device, which carries the very sparingly metered material, for example in a cylindrical solid cartridge in itself, is driven by the piston according to the invention with thread by rotation of the piston.
Entsprechend diesem Grundgedanken schlagen die Erfinder eine Dosier- und Mischvorrichtung für Mehrkomponentenstoffe, insbesondere Mehrkomponenten-Klebstoffe, vor, welche aufweist:
- mindestens zwei zusammenhängende Kartuschenaufnahmevorrichtungen zur Aufnahme einzelner Stoffkomponenten,
- eine Austriebsvorrichtung zum gleichzeitigen Austreiben der Stoffkomponenten aus den Kartuschen durch Komponentenausgänge mit Hilfe von in die Kartuschenaufnahmevorrichtung beziehungsweise Kartuschen eintauchenden Austriebskolben,
- eine Mischvorrichtung, welche mit den Kartuschenausgängen verbunden ist, die ausgetriebenen Stoffkomponenten mischt und diese gemischt austrägt.
- at least two contiguous cartridge receiving devices for receiving individual substance components,
- an expulsion device for the simultaneous expulsion of the substance components from the cartridges through component outlets with the aid of ejection pistons immersed in the cartridge receptacle or cartridges,
- a mixing device connected to the cartridge outlets that mixes expelled material components and discharges them mixed.
Die erfindungsgemäße Verbesserung besteht demgemäß darin, dass mindestens ein Austriebskolben ein Gewinde aufweist, welches durch eineThe improvement according to the invention accordingly consists in that at least one ejector piston has a thread, which by a
Drehung des Antriebskolbens einen Vorwärtstrieb des Austriebskolben erzeugen kann.Rotation of the drive piston can produce a forward drive of the sprouting piston.
Zur Begriffsbestimmung wird darauf verwiesen, dass im Sinne dieser Druckschrift unter Kartusche jegliches, vorzugsweise auswechselbare, Behältnis gemeint ist, welches jeweils eine der Stoffkomponenten enthält. Vorzugsweise kann es sich dabei um zylindrische Behältnisse mit relativ fester Wandung oder auch um Schlauchbeutel handeln.For the purpose of definition, reference is made to the fact that for the purposes of this document under cartridge any, preferably interchangeable, container is meant, which in each case contains one of the substance components. Preferably, these can be cylindrical containers with a relatively solid wall or even tubular bags.
Vorteilhaft kann also mindestens eine Kartusche als Hohlzylinder ausgebildet sein, in dem sich mindestens eine Stoffkomponente befindet. Bei dieser Ausführung kann das Gewinde des mindestens einen Austriebskolbens mit Gewinde in Kontakt mit einer Wandung der mindestens einen hohlzylinderförmigen Kartusche stehen.Advantageously, therefore, at least one cartridge can be designed as a hollow cylinder in which there is at least one substance component. In this embodiment, the thread of the at least one spiked piston can be in contact with a wall of the at least one hollow cylindrical cartridge.
Weiterhin kann mindestens eine Kartusche ein Schlauchbeutel sein, in dem sich mindestens eine Stoffkomponente befindet. Hierbei kann das Gewinde des mindestens einen Austriebskolbens mit Gewinde für diese Kartuschenaufnahmevorrichtung in der ein Schlauchbeutel als Kartusche eingesetzt ist, dann in Kontakt mit einer Wandung der Kartuschenaufnahmevorrichtung stehen.Furthermore, at least one cartridge can be a tubular bag in which at least one substance component is located. In this case, the thread of the at least one spiked piston can be used for this cartridge receiving device in which a tubular bag is used as a cartridge, then in contact with a wall of the cartridge receiving device.
Weiterhin kann mindestens eine der Kartuschenaufnahmevorrichtungen einen Hohlzylinder aufweisen oder zumindest als solcher ausgebildet sein. Alternativ kann jedoch auch mindestens eine Kartuschenaufnahmevorrichtung mindestens drei zylindrisch angeordnete stabartige Stützen aufweisen, in welche eine ausreichend stabile Kartusche eingesetzt werden kann.Furthermore, at least one of the cartridge receiving devices may comprise a hollow cylinder or at least be designed as such. Alternatively, however, at least one cartridge receiving device may have at least three cylindrically arranged rod-like supports into which a sufficiently stable cartridge can be inserted.
Mit Hilfe eines Austriebskolbens, der ein Gewinde aufweist und dessen Vortrieb durch eine Drehung des Gewindes bestimmt wird, lässt sich sehr leicht eine sehr genaue Dosierung hervorrufen, indem einerseits die Gewindesteigung und andererseits die Umdrehungsgeschwindigkeit der Antriebsachse entsprechend der gewünschten Dosierung angepasst wird. Grundsätzlich ist es hierbei vorteilhaft, wenn der Austriebskolben, der letztendlich in die Kartusche eintauchen soll, um das dort befindliche Material durch einen Kartuschenausgang auszutreiben, sein Gewinde an der Außenseite trägt, so dass sich das Gewinde in die Innenseite der zylindrischen Kartusche oder Kartuschenaufnahmevorrichtung einprägen kann und damit den Vortrieb bestimmt. Möglich ist jedoch auch ein etwas aufwendiger gestalteter Kolben, der an seiner hinteren Seite eine Verbindung zu einem außerhalb der Kartusche liegenden Zylinder aufweist, der wiederum ein Innengewinde besitzt, welches sich auf der Außenseite der Kartusche abstützt und so durch eine Drehung des gesamten Austriebskolbens sein Gewinde auf der Außenseite der Kartusche beziehungsweise der Kartuschenaufnahmevorrichtung einprägt und damit durch eine Drehung relativ zur Kartusche beziehungsweise der Kartuschenaufnahmevorrichtung einen Vorschub bewirkt, der das in der Kartusche befindliche Material durch einen Komponentenausgang austreibt.With the help of a spinner piston, which has a thread and the propulsion is determined by a rotation of the thread, can be very easily cause a very accurate dosage by on the one hand the thread pitch and on the other hand, the rotational speed of the drive shaft is adjusted according to the desired dosage. In principle, it is advantageous in this case if the sprouting piston, which should ultimately dive into the cartridge to expel the material located there through a cartridge exit, carries its thread on the outside, so that the thread can be impressed into the inside of the cylindrical cartridge or cartridge receiving device and thus determines the propulsion. However, it is also possible a somewhat elaborate designed piston, which has at its rear side a connection to a cylinder located outside the cartridge, which in turn has an internal thread, which is supported on the outside of the cartridge and so by a rotation of the entire Austriebskolbens his thread on the outside of the cartridge or the cartridge receiving device and thus by a rotation relative to the cartridge or the cartridge receiving device causes a feed, which expels the material in the cartridge through a component outlet.
Wie bereits erwähnt, ist es vorteilhaft, wenn in der mindestens einen Kartusche oder Kartuschenaufnahmevorrichtung, in der sich der mindestens eine Austriebskolben mit Außengewinde befindet, bereits ein Negativgewinde zum Außengewinde des Austriebskolbens vorliegt. Hierdurch wird der Kraftaufwand für das Vortreiben des Austriebskolbens etwas geringer. Andererseits besteht die Möglichkeit, das Außengewinde des mindestens einen Austriebskolbens selbstschneidend auszuführen, damit dieser bei einer Drehung ein Negativgewinde selbst einschneidet oder einprägt.As already mentioned, it is advantageous if in the at least one cartridge or cartridge receiving device, in which there is at least one externally threaded spinner, there is already a negative thread to the external thread of the sprouting piston. As a result, the force required to drive the sprouting piston is slightly lower. On the other hand, it is possible to make the external thread of the at least one spinner piston self-tapping so that it cuts or impresses a negative thread itself during a rotation.
Besonders vorteilhaft ist eine Dosier- und Mischvorrichtung, bei der eine Kombination einer vorzugsweise kleineren Kartusche, in der ein Austriebskolben mit Gewinde vorliegt, und einer weiteren Kartuschenaufnahmevorrichtung mit einer linear angetriebenen Austriebsstange für den dort befindlichen Austriebskolben, durch den ein dort befindlichen Schlauchbeutel, vorzugsweise mit einem wesentlich größeren Dosieranteil als in der kleineren Kartusche, ausgetrieben werden kann.Particularly advantageous is a metering and mixing device, in which a combination of a preferably smaller cartridge in which there is a Austriebskolben threaded, and another cartridge receiving device with a linearly driven Austriebsstange for the Austriebskolben located there, through which there is a tubular bag, preferably with a much larger Dosieranteil than in the smaller cartridge, can be expelled.
Vorteilhaft kann die linear vorgetriebene Austriebsstange eine regelmäßige Verzahnung aufweisen, in die ein Zahnrad oder ein Spindelgewinde zum Vortrieb eingreifen kann. Alternativ hierzu kann die linear angetriebene Austriebsstange umgekehrt auch selbst ein Spindelgewinde aufweisen, in das eine externe Verzahnung eingreifen kann.Advantageously, the linearly driven Austriebsstange have a regular toothing, in which a gear or a spindle thread can engage for propulsion. Alternatively, the linearly driven Austriebsstange vice versa also have a spindle thread, in which an external toothing can engage.
Des Weiteren kann bei der erfindungsgemäß ausgestalteten Dosier- und Mischvorrichtung auch mindestens ein Getriebe zum Antrieb der Austriebskolben vorgesehen sein, wobei in einer besonders vorteilhaften Ausgestaltung ein gemeinsames Getriebe mit einem Antriebseingang und mehreren Abtriebsausgängen zum Antrieb zumindest der Antriebskolben vorgesehen werden kann.Furthermore, in the present invention designed metering and mixing device and at least one transmission to drive the sprouting pistons may be provided, in a particularly advantageous embodiment, a common transmission with a drive input and multiple output outputs for driving at least the drive piston can be provided.
Mit einem solchen Getriebe können einerseits mindestens ein linear bewegbarer Austriebskolben und mindestens ein rotatorisch bewegbarer Austriebskolben verbunden werden. Besonders günstig ist dies, wenn ein gemeinsames Getriebe durch einen gemeinsamen Antriebseingang einerseits eine Übersetzung auf einen linearen Vortrieb, zum Beispiel mit Hilfe eines Kegelradantriebes oder eines Zahnradantriebes oder eines Spindelantriebes, aufweist und andererseits einen rotierenden Ausgang aufweist, bei dem eine Achse rotierend angetrieben wird, um den mit einem Gewinde versehenen Austriebskolben zur Rotation anzutreiben.With such a transmission, on the one hand, at least one linearly movable sprouting piston and at least one rotationally movable sprouting piston can be connected. This is particularly advantageous when a common gear through a common drive input on the one hand a translation to a linear propulsion, for example by means of a bevel gear or a gear drive or a spindle drive, and on the other hand has a rotating output, in which an axis is driven in rotation, to drive the threaded spinner piston for rotation.
Bei der erfindungsgemäßen Dosier- und Mischvorrichtung kann des Weiteren die Mischvorrichtung sowohl als passiver oder statischer Mischer oder alternativ hierzu als aktiver oder dynamischer Mischer, insbesondere als Rotationsmischer, ausgeführt werden.Furthermore, in the metering and mixing device according to the invention, the mixing device can be designed both as a passive or static mixer or, alternatively, as an active or dynamic mixer, in particular as a rotary mixer.
Im Fall der Ausführung der Mischvorrichtung als aktiver oder dynamischer Mischer wird vorgeschlagen, dass dieser Mischer mit einem Getriebe, insbesondere mit dem Getriebe für den Antrieb der Austriebskolben, verbunden wird. Hierdurch besteht die Möglichkeit durch einen einzigen gemeinsamen Antrieb, zum Beispiel einem Elektromotor, mit Hilfe der verschiedenen Abtriebsausgänge einerseits einen linearen Vortrieb anzutreiben, andererseits einen Rotationsantrieb für einen Austriebskolben mit Gewinde und schließlich einen Rotationsmischer zu bedienen. Hierbei wird vorteilhaft dafür gesorgt, dass sowohl der Austrieb als auch die aktive Durchmischung der einzelnen Komponenten immer abgestimmt aufeinander durchgeführt wird.In the case of the execution of the mixing device as an active or dynamic mixer, it is proposed that this mixer is connected to a transmission, in particular to the transmission for driving the sprouting pistons. This makes it possible by a single common drive, for example an electric motor, with the help of To drive various output outputs on the one hand a linear propulsion, on the other hand to operate a rotary drive for a sprouting piston with thread and finally a rotary mixer. In this case, it is advantageously ensured that both the expulsion and the active mixing of the individual components are always carried out in a coordinated manner with one another.
Bezüglich der erfindungsgemäßen Austriebskolben, insbesondere des Austriebskolbens mit Gewinde, wird vorgeschlagen, dass diese mindestens eine Entlüftungsvorrichtung im Bereich des Austriebskolbens selbst aufweisen oder alternativ, dass mindestens eine der Kartuschen oder Kartuschenaufnahmevorrichtungen, in die der Austriebskolben eingeführt wird, eine Entlüftungsvorrichtung aufweist. Hierdurch kann insbesondere als Entlüftungsvorrichtung im hinteren Teil der Kartuscheninnenseite beziehungsweise Kartuschenaufnahmevorrichtung mindestens eine Entlüftungsnut eingelassen werden, so dass zumindest über einen Teil der Austriebsstrecke überschüssige Luft seitlich entweichen kann.With regard to the spinner pistons according to the invention, in particular the threaded spout piston, it is proposed that these have at least one venting device in the area of the spouting piston itself or alternatively that at least one of the cartridges or cartridge receiving devices into which the spouting piston is inserted has a venting device. In this way, at least one vent groove can be inserted in particular as a venting device in the rear part of the cartridge inner side or cartridge receptacle, so that excess air can escape laterally at least over part of the expulsion path.
Weiterhin wird in einer besonderen Ausführungsform der Dosier- und Mischvorrichtung vorgeschlagen, dass mindestens zwei der Kartuschenaufnahmevorrichtungen unterschiedlich lang ausgebildet sind und/oder mindestens zwei der Kartuschenaufnahmevorrichtungen unterschiedliche Durchmesser aufweisen. Die unterschiedlich lange Ausbildung der Kartuschenaufnahmevorrichtungen kann problemlos durch Anbringung einer entsprechenden Gewindesteigung an dem oder den Austriebskolben kompensiert werden, wobei zusätzlich oder auch alternativ dazu mit Hilfe der unterschiedlichen Durchmesser der unterschiedlichen Dosierung der einzelnen Stoffkomponenten Rechnung getragen werden kann.Furthermore, it is proposed in a particular embodiment of the dosing and mixing device that at least two of the cartridge receiving devices are designed to have different lengths and / or at least two of the cartridge receiving devices have different diameters. The different length training the cartridge receiving devices can be easily compensated by attaching a corresponding thread pitch on the or the sprouting piston, which can be additionally or alternatively used with the help of different diameters of the different dosage of the individual components of the bill.
Weiterhin wird vorgeschlagen, dass das mindestens eine Getriebe motorisch angetrieben wird, insbesondere durch einen Elektromotor.Furthermore, it is proposed that the at least one transmission is driven by a motor, in particular by an electric motor.
Schließlich schlagen die Erfinder vor, dass die Kartuschenaufnahmevorrichtungen mit Austriebskolben und Kleberkomponenten zu einer Einheit verbunden sind und der Mischer und das mindestens eine Getriebe separat ansetzbar oder andockbar oder anklipsbar ausgeführt sind.Finally, the inventors propose that the cartridge receiving devices are combined with sprouting pistons and adhesive components to form a unit and that the mixer and the at least one gear are designed separately or dockable or clipped.
Im Folgenden wird die Erfindung anhand der bevorzugten Ausführungsbeispiele mit Hilfe der Figuren näher beschrieben, wobei nur die zum Verständnis der Erfindung notwendigen Merkmale dargestellt sind. Selbstverständlich ist die Erfindung nicht auf gezeigte und beschriebene Ausführungsbeispiele beschränkt.In the following the invention with reference to the preferred embodiments with reference to the figures will be described in more detail, with only the features necessary for understanding the invention features are shown. Of course, the invention is not limited to the illustrated and described embodiments.
Es zeigen im Einzelnen:
- FIG: 1
- Seitenansicht einer erfindungsgemäßen Dosier- und Mischvorrichtung für einen 2-Komponentenkleber;
- FIG 2 ― FIG 3:
- 3D-Ansichten einer kleinen zylindrischen Kartusche mit fester Außenwand, Drehkolben und Austrittstülle;
- FIG 4:
- Längsschnitt durch eine zylindrische Kartusche mit fester Außenwand, innen liegender Entlüftungsnut und abscherbarem Verschluss an der Austrittstülle;
- FIG 5:
- Kartusche aus
Figur 4 in 3D-Darstellung; - FIG 6 ― FIG 14:
- Unterschiedliche Ausführungsvarianten der Drehkolben mit Außengewinde;
- FIG 15 ― FIG 16:
- Erste Variante einer Kartuschenkupplung in zwei 3D-Ansichten;
- FIG 17 ― FIG 18:
- Zweite Variante einer Kartuschenkupplung in unterschiedlichen 3D-Ansichten.
- FIG. 1
- Side view of a metering and mixing device according to the invention for a 2-component adhesive;
- FIG. 2 - FIG. 3:
- 3D views of a small cylindrical cartridge with fixed outer wall, rotary piston and outlet grommet;
- 4:
- Longitudinal section through a cylindrical cartridge with a solid outer wall, internal vent groove and shear-off seal on the outlet nozzle;
- FIG. 5:
- Cartridge off
FIG. 4 in 3D representation; - FIG. 6 - FIG. 14:
- Different variants of the rotary piston with external thread;
- FIG. 15 - FIG. 16:
- First variant of a cartridge coupling in two 3D views;
- FIG. 17 - FIG. 18:
- Second variant of a cartridge coupling in different 3D views.
Die
Das Getriebe 8 wird in der hier gezeigten Ausführungsform der Dosier- und Mischvorrichtung 1 mit Hilfe eines Elektromotors 9 angetrieben.The
Im Detail zeigen die
In der
Zusätzlich ist an dieser Kartusche 3.1 auch noch ein bevorzugtes Verschlusssystem der Kartusche zu erkennen, bei dem mit der Herstellung der Kartusche eine Verschluss 13 einstückig mit der Austragstülle 12 verbunden ist. Zum Öffnen wird der Verschluss 13, gegebenenfalls unter Zuhilfenahme eines entsprechenden Werkzeuges, von der Austragstülle durch Drehen abgeschert, so dass eine Austragsöffnung in der Austragstülle entsteht. Bekannt ist ein solcher Verschluss beispielsweise im Bereich von Zahnpastatuben.In addition, a preferred closure system of the cartridge can be seen on this cartridge 3.1, in which with the production of the cartridge, a
In der
Der Drehkolben 11 ist im Detail noch in verschiedenen Ausführungen in den
Die
In der
Die
Die
Die
In den
In den
Insgesamt wird mit der Erfindung also eine Dosier- und Mischvorrichtung, insbesondere für Mehrkomponenten-Klebstoffe, vorgeschlagen, bei der mehrere hohlzylinderförmige Kartuschen jeweils Stoffkomponenten beinhalten und eine Austriebsvorrichtung zum gleichzeitigen Austreiben der Stoffkomponenten über eine Mischvorrichtung vorgesehen sind, wobei erfindungsgemäß mindestens ein Austriebskolben ein Gewinde aufweist, welches in Kontakt mit einer Wandung der Kartusche steht, so dass eine Drehung des Antriebskolben einen Vorwärtstrieb des Austriebskolben erzeugen kann.Overall, the invention thus a metering and mixing device, in particular for multi-component adhesives, proposed in which a plurality of hollow cylindrical cartridges each containing components and a Austriebsvorrichtung for simultaneous expulsion of the substance components are provided via a mixing device, wherein according to the invention at least one Austriebskolben has a thread which is in contact with a wall of the cartridge, so that rotation of the drive piston can produce a forward drive of the sprouting piston.
Es erscheinen die nachfolgend beschriebenen Merkmalskombinationen besonders günstig zu sein:
- I. Dosier- und Mischvorrichtung für Mehrkomponentenstoffe, insbesondere Mehrkomponenten-Klebstoffe, aufweisend:
- I.a mindestens zwei zusammenhängende Kartuschenaufnahmevorrichtungen zur Aufnahme von auswechselbaren Kartuschen mit einzelnen Stoffkomponenten,
- I.b eine Austriebsvorrichtung zum gleichzeitigen Austreiben der Stoffkomponenten aus den Kartuschen durch Komponentenausgänge mit Hilfe von in die Kartuschenaufnahmevorrichtung beziehungsweise Kartuschen eintauchenden Austriebskolben,
- I.c eine Mischvorrichtung, welche mit den Komponentenausgängen verbunden ist, die ausgetriebenen Stoffkomponenten mischt und diese gemischt austrägt, wobei
- I.d mindestens ein Austriebskolben ein Gewinde aufweist, welches durch eine Drehung einen Vorwärtstrieb des Austriebskolben erzeugen kann.
- II. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination I, wobei mindestens eine Kartusche ein Hohlzylinder ist, in dem sich mindestens eine Stoffkomponente befindet.
- III. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination II, wobei das Gewinde des mindestens einen Austriebskolbens mit Gewinde in Kontakt mit einer Wandung der mindestens einen hohlzylinderförmigen Kartusche steht.
- IV. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis II, wobei mindestens eine Kartusche ein Schlauchbeutel ist, in dem sich mindestens eine Stoffkomponente befindet.
- V. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination IV, wobei das Gewinde des mindestens einen Austriebskolbens für eine Kartuschenaufnahmevorrichtung in der ein Schlauchbeutel als Kartusche eingesetzt werden kann, in Kontakt mit einer Wandung der Kartuschenaufnahmevorrichtung steht.
- Vl. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis V, wobei mindestens eine Kartuschenaufnahmevorrichtung einen Hohlzylinder aufweist.
- VII. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis V, wobei mindestens eine Kartuschenaufnahmevorrichtung mindestens drei zylindrisch angeordnete stabartige Stützen aufweist.
- VIII. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis VII, wobei mindestens ein Austriebskolben ein Außengewinde aufweist.
- IX. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination VIII, wobei in der mindestens einen Kartuschenaufnahmevorrichtung oder Kartusche, in der sich der mindestens eine Austriebskolben mit Außengewinde befindet, ein Negativgewinde zum Außengewinde des Austriebskolbens vorliegt.
- X. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis IX, wobei das Gewinde des mindestens einen Austriebskolbens selbstschneidend ausgeführt ist, um sich selbst ein Negativgewinde in die Kartuschenaufnahmevorrichtung oder Kartusche zu schneiden oder zu prägen.
- XI. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis X, wobei mindestens ein Austriebskolben eine linear vorgetriebene Austriebsstange aufweist.
- XII. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination XI, wobei die linear vorgetriebene Austriebsstange eine regelmäßige Verzahnung aufweist, in die ein Zahnrad oder ein Spindelgewinde zum Vortrieb eingreifen kann.
- XIII. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination XI, wobei die linear angetriebene Austriebsstange ein Spindelgewinde aufweist, in das eine Verzahnung eingreifen kann.
- XIV. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XIII, wobei mindestens ein Getriebe zum Antrieb der Austriebskolben vorgesehen ist.
- XV. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XIII, wobei ein gemeinsames Getriebe mit einem Antriebseingang und mehreren Abtriebsausgängen zum Antrieb zumindest der Antriebskolben vorgesehen ist.
- XVI. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen XIV bis XV, wobei mit dem mindestens einen Getriebe mindestens ein linear bewegbarer Austriebskolben und mindestens ein rotatorisch bewegbarer Austriebskolben verbunden sind.
- XVII. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XVI, wobei die Mischvorrichtung als passiver oder statischer Mischer ausgeführt ist.
- XVIII. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XVI, wobei die Mischvorrichtung als aktiver oder dynamischer Mischer, insbesondere als Rotationsmischer, ausgeführt ist.
- XIX. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination XVIII, wobei der aktive oder dynamische Mischer mit einem Getriebe, insbesondere mit dem Getriebe für den Antrieb der Austriebskolben, verbunden ist.
- XX. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XIX, wobei mindestens einer der Austriebskolben eine Entlüftungsvorrichtung aufweist.
- XXI. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XIX, wobei mindestens eine der Kartuschenaufnahmevorrichtungen oder Kartuschen eine Entlüftungsvorrichtung aufweist.
- XXII. Dosier- und Mischvorrichtung gemäß der voranstehenden Merkmalskombination XXI, wobei als Entlüftungsvorrichtung im hinteren Teil der Innenseite der mindestens einen Kartuschenaufnahmevorrichtung oder Kartusche mindestens eine Entlüftungsnut eingelassen ist.
- XXIII. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XXII, wobei mindestens zwei der Kartuschenaufnahmevorrichtungen unterschiedlich lang sind.
- XXIV. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen I bis XXIII, wobei mindestens zwei der Kartuschenaufnahmevorrichtungen unterschiedlichen Durchmesser aufweisen.
- XXV. Dosier- und Mischvorrichtung gemäß einer der voranstehenden Merkmalskombinationen XIV bis XXIV, wobei das mindestens eine Getriebe motorisch, insbesondere durch einen Elektromotor, angetrieben ist.
- XXVI. Dosier- und Mischvorrichtung gemäß einem der voranstehenden Merkmalskombinationen I bis XXV, wobei die Kartuschenaufnahmevorrichtungen mit Austriebskolben zu einer Einheit verbunden sind und der Mischer und das mindestens eine Getriebe separat ansetzbar oder andockbar oder anklipsbar ausgeführt sind.
- I. Metering and mixing device for multi-component materials, in particular multi-component adhesives, comprising:
- 1a at least two contiguous cartridge receiving devices for receiving replaceable cartridges with individual substance components,
- Ib an expelling device for the simultaneous expulsion of the substance components from the cartridges through component outlets with the aid of expulsion pistons immersed into the cartridge receptacle or cartridges,
- Ic a mixing device which is connected to the component outlets, mixes the expelled material components and discharges mixed, wherein
- Id at least one sprouting piston has a thread which can produce a forward drive of the sprouting piston by a rotation.
- II. Dosing and mixing device according to the above combination of features I, wherein at least one cartridge is a hollow cylinder in which there is at least one substance component.
- III. Dosing and mixing device according to the above combination of features II, wherein the thread of the at least one Austriebskolbens threaded into contact with a wall of the at least one hollow cylindrical cartridge.
- IV. Dosing and mixing device according to one of the above feature combinations I to II, wherein at least one cartridge is a tubular bag, in which there is at least one substance component.
- V. Dosing and mixing device according to the above combination of features IV, wherein the thread of the at least one ejector piston for a cartridge receiving device in which a tubular bag can be used as a cartridge, is in contact with a wall of the cartridge receiving device.
- Vl. Dosing and mixing device according to one of the above feature combinations I to V, wherein at least one cartridge receiving device comprises a hollow cylinder.
- VII. Dosing and mixing device according to one of the above feature combinations I to V, wherein at least one cartridge receiving device has at least three cylindrically arranged rod-like supports.
- VIII. Dosing and mixing device according to one of the above feature combinations I to VII, wherein at least one spout has an external thread.
- IX. Dosing and mixing device according to the above combination of features VIII, wherein in the at least one cartridge receiving device or cartridge, in which there is at least one externally threaded spout, there is a negative thread to the external thread of the spout.
- X. dosing and mixing device according to any one of the above feature combinations I to IX, wherein the thread of the at least one sprouting piston is self-tapping designed to cut itself or stamp a negative thread in the cartridge receiving device or cartridge.
- XI. Dosing and mixing device according to one of the above combinations of features I to X, wherein at least one spout piston has a linearly driven spout.
- XII. Dosing and mixing device according to the above feature combination XI, wherein the linearly driven Austriebsstange has a regular toothing, in which a gear or a spindle thread can engage for propulsion.
- XIII. Dosing and mixing device according to the above feature combination XI, wherein the linearly driven Austriebsstange has a spindle thread into which a toothing can engage.
- XIV. Dosing and mixing device according to one of the above feature combinations I to XIII, wherein at least one gear is provided for driving the sprouting pistons.
- XV. Dosing and mixing device according to one of the above feature combinations I to XIII, wherein a common transmission is provided with a drive input and a plurality of output outputs for driving at least the drive piston.
- XVI. Dosing and mixing device according to one of the above feature combinations XIV to XV, wherein at least one linearly movable sprouting piston and at least one rotationally movable sprouting piston are connected to the at least one gear.
- XVII. Dosing and mixing device according to one of the above feature combinations I to XVI, wherein the mixing device is designed as a passive or static mixer.
- XVIII. Dosing and mixing device according to one of the above feature combinations I to XVI, wherein the mixing device as active or dynamic mixer, in particular as a rotary mixer is executed.
- XIX. Dosing and mixing device according to the above feature combination XVIII, wherein the active or dynamic mixer with a transmission, in particular with the transmission for driving the sprouting pistons, is connected.
- XX. Dosing and mixing device according to one of the above feature combinations I to XIX, wherein at least one of the sprouting pistons has a venting device.
- XXI. Dosing and mixing device according to one of the above combinations of features I to XIX, wherein at least one of the cartridge receiving devices or cartridges comprises a venting device.
- XXII. Dosing and mixing device according to the above feature combination XXI, wherein at least one vent groove is recessed as a venting device in the rear part of the inside of the at least one cartridge receiving device or cartridge.
- XXIII. Dosing and mixing device according to one of the above feature combinations I to XXII, wherein at least two of the cartridge receiving devices are of different lengths.
- XXIV. Metering and mixing device according to one of the above feature combinations I to XXIII, wherein at least two of the cartridge receiving devices have different diameters.
- XXV. Dosing and mixing device according to one of the above feature combinations XIV to XXIV, wherein the at least one Gear motor, in particular by an electric motor, is driven.
- XXVI. Dosing and mixing device according to one of the above combinations of features I to XXV, wherein the cartridge receiving devices are connected to the discharge piston to a unit and the mixer and the at least one gear are designed separately attachable or dockable or clipped.
Es versteht sich, dass die vorstehend genannten Merkmale der Erfindung nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der Erfindung zu verlassen.It is understood that the abovementioned features of the invention can be used not only in the respectively specified combination but also in other combinations or in isolation, without departing from the scope of the invention.
- 11
- Dosier- und MischvorrichtungDosing and mixing device
- 22
- große Kartuschenaufnahmevorrichtunglarge cartridge receiving device
- 2.12.1
- Schlauchbeuteltubular bag
- 33
- kleine Kartuschenaufnahmevorrichtungsmall cartridge cradle
- 3.13.1
- zylindrische feste kleine Kartuschecylindrical solid small cartridge
- 44
- Zahnstangerack
- 55
- Drehachse für Drehkolben / Antriebskolben in Form eines Drehkolbens mit GetriebeRotary axis for rotary pistons / drive pistons in the form of a rotary piston with gear
- 66
- Kartuschenkupplungcartridges clutch
- 77
- Aktiver RotationsmischerActive rotary mixer
- 88th
- Getriebetransmission
- 99
- E-MotorE-Motor
- 1010
- Antriebsachse für RotationsmischerDrive axle for rotary mixer
- 1111
- Drehkolbenrotary pistons
- 11.111.1
- Gewindethread
- 11.211.2
- Begrenzung für O-RingLimitation for O-ring
- 11.311.3
- Dichtungpoetry
- 11.411.4
- LufteinschlussbereichAir pocket area
- 1212
- Austragstülledispensing spout
- 1313
- Verschlussshutter
- 1414
- Entlüftungsnutvent groove
- 1616
- Linearkolbenlinear piston
- 1717
- Austragsspitzedispensing tip
- 1818
- O-RingO-ring
- 19.119.1
- EinsteckflanschEinsteckflansch
- 19.219.2
- EinsteckflanschEinsteckflansch
- 20.120.1
- Austrittsöffnungoutlet opening
- 20.220.2
- Austrittsöffnungoutlet opening
- 2121
- AntriebsdurchbruchDrive breakthrough
Claims (15)
dadurch gekennzeichnet, dass
characterized in that
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10196972A EP2468415A1 (en) | 2010-12-24 | 2010-12-24 | Dosing and mixing apparatus for multi-pack products |
DK11799285.9T DK2654972T3 (en) | 2010-12-24 | 2011-12-21 | DOSAGE AND MIXING DEVICE FOR MULTI-COMPONENTS |
EP11799285.9A EP2654972B1 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
JP2013545358A JP2014507259A (en) | 2010-12-24 | 2011-12-21 | Multi-component material metering and mixing equipment |
PL11799285T PL2654972T3 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
AU2011347326A AU2011347326B2 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
ES11799285.9T ES2534370T3 (en) | 2010-12-24 | 2011-12-21 | Dosing and mixing device for multi-component substances |
PCT/EP2011/073576 WO2012085075A1 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
CN201180061645.0A CN103269806B (en) | 2010-12-24 | 2011-12-21 | For metering and the mixing arrangement of multi-component material |
US13/924,884 US9242784B2 (en) | 2010-12-24 | 2013-06-24 | Metering and mixing device for multi-component substances |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10196972A EP2468415A1 (en) | 2010-12-24 | 2010-12-24 | Dosing and mixing apparatus for multi-pack products |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2468415A1 true EP2468415A1 (en) | 2012-06-27 |
Family
ID=43768958
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10196972A Withdrawn EP2468415A1 (en) | 2010-12-24 | 2010-12-24 | Dosing and mixing apparatus for multi-pack products |
EP11799285.9A Active EP2654972B1 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11799285.9A Active EP2654972B1 (en) | 2010-12-24 | 2011-12-21 | Metering and mixing device for multi-component substances |
Country Status (9)
Country | Link |
---|---|
US (1) | US9242784B2 (en) |
EP (2) | EP2468415A1 (en) |
JP (1) | JP2014507259A (en) |
CN (1) | CN103269806B (en) |
AU (1) | AU2011347326B2 (en) |
DK (1) | DK2654972T3 (en) |
ES (1) | ES2534370T3 (en) |
PL (1) | PL2654972T3 (en) |
WO (1) | WO2012085075A1 (en) |
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US9469061B2 (en) | 2013-01-30 | 2016-10-18 | Plas-Pak Industries Inc | One-piece ventable piston for a dispensing apparatus, a dispensing apparatus with same, and method of making same |
EP2873465A1 (en) * | 2013-11-18 | 2015-05-20 | Sulzer Mixpac AG | Piston for delivering a fluid component from a cartridge. |
WO2015071029A1 (en) * | 2013-11-18 | 2015-05-21 | Sulzer Mixpac Ag | Piston for dispensing a flowable component from a cartridge |
US9956578B2 (en) | 2013-11-18 | 2018-05-01 | Sulzer Mixpac Ag | Piston for dispensing a flowable component from a cartridge |
US10618075B2 (en) | 2013-11-18 | 2020-04-14 | Sulzer Mixpac Ag | Piston for dispensing a flowable component from a cartridge |
WO2016046094A1 (en) | 2014-09-23 | 2016-03-31 | Sika Technology Ag | Application device for materials |
US20170239683A1 (en) * | 2014-09-23 | 2017-08-24 | Sika Technology Ag | Application device for materials |
US10456804B2 (en) | 2014-09-23 | 2019-10-29 | Sika Technology Ag | Application device |
Also Published As
Publication number | Publication date |
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US9242784B2 (en) | 2016-01-26 |
DK2654972T3 (en) | 2015-04-13 |
AU2011347326A1 (en) | 2013-07-18 |
AU2011347326B2 (en) | 2016-07-28 |
CN103269806B (en) | 2016-02-24 |
US20130277390A1 (en) | 2013-10-24 |
WO2012085075A1 (en) | 2012-06-28 |
EP2654972B1 (en) | 2015-01-21 |
PL2654972T3 (en) | 2015-06-30 |
JP2014507259A (en) | 2014-03-27 |
EP2654972A1 (en) | 2013-10-30 |
ES2534370T3 (en) | 2015-04-22 |
CN103269806A (en) | 2013-08-28 |
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