EP0592312B1 - Dosierer, Dosierventil und Vorrichtung zum chargenweisen Dosieren von Flüssigkeit - Google Patents

Dosierer, Dosierventil und Vorrichtung zum chargenweisen Dosieren von Flüssigkeit Download PDF

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Publication number
EP0592312B1
EP0592312B1 EP93402460A EP93402460A EP0592312B1 EP 0592312 B1 EP0592312 B1 EP 0592312B1 EP 93402460 A EP93402460 A EP 93402460A EP 93402460 A EP93402460 A EP 93402460A EP 0592312 B1 EP0592312 B1 EP 0592312B1
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EP
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Prior art keywords
measurer
plunger
liquid
movement
sampling
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EP93402460A
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English (en)
French (fr)
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EP0592312A1 (de
Inventor
René Perrier
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
    • B67C3/206—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups using arrangements of cylinders and pistons

Definitions

  • the invention relates to the successive dosing and in rhythm of predetermined quantities of liquid withdrawn from a tank, each quantity of liquid dosed being poured into a container such as a bottle, a box or the like.
  • this dose is of small volume (conventionally between 0.1 ml and 10 cl), and the liquid is aseptic, since it is intended for human or animal consumption or for the composition of hygienic or pharmaceutical products.
  • the known metering devices are either entirely manual, that is to say operated by a person, and do not then have the required reliability and precision, or include extremely complex and expensive and delicate electro-mechanical, electronic or even computer devices. to be adjusted during operation. And these known electronic or computer devices are poorly compatible with the handling, processing or filling installations for bottles which are essentially mechanical and can therefore include inaccuracies or operational hazards. Also, devices operating on electricity are poorly compatible with the liquid environment of such handling, treatment or filling installations for containers.
  • liquid metering pumps which suck up a predetermined quantity of liquid from a pipe and then discharge it into another pipe (see for example FR-A-2 615 845).
  • these pumps are also not perfectly compatible with high-speed operation, for dosing very small quantities, and do not have sufficient precision and reliability. For example, the mere wear of the seals causes a prohibitive variation in the pumped and metered volume.
  • the invention therefore aims to remedy these drawbacks by proposing a metering device, a metering tap comprising such a metering device, and a metering device comprising such a metering tap, which allow the successive metering at high speed of small quantities of liquid with a perfect dynamic precision in operation of the metered volume whatever the operating conditions, and high reliability over time.
  • the invention also aims to provide such a fully mechanical metering device and free from any electronic or electro-mechanical device.
  • the invention also aims to provide such a metering device, metering valve and metering device which are extremely simple and inexpensive to manufacture.
  • the object of the invention is also to propose such a metering device, metering tap and metering device which are compact, particularly in a horizontal plane, extremely small to be able to be incorporated in any place of a handling, treatment or filling of containers at high speed.
  • the invention also aims to provide such a metering device, metering valve and metering device which can operate not only at high speed, but according to a variable rate at any time and randomly, while ensuring the dosage of each container with great precision.
  • Another object of the invention is to provide such a dispenser, dosing valve and dosing device which can, for example, dose quantities between 0.1 ml and 10 cl of liquid with an accuracy of less than 10% - in particular of the order of 2% - for rates that can vary from 0 to 120,000 containers per hour.
  • the invention also aims simultaneously to provide a metering device, metering tap and metering device which are compatible with the use of aseptic liquids such as food or pharmaceutical materials, and which can therefore be easily cleaned, which are designed to prevent any development. infections, which can be fully purged.
  • the invention finally aims to provide a metering device which allows adjustment of the dose during production without interruption.
  • the invention relates to a dispenser as defined in claim 1.
  • an alternative plunger immersed in a metering device provides in particular the advantages of being able to operate at very high speed with very small quantities withdrawn, of allowing a extremely simple synchronization with the drive of the containers intended to receive the liquid, while allowing operation in perfect hygienic and aseptic conditions without electrical, electronic or computer device.
  • the sampling plunger is hollow, provided with an opening for introducing the liquid into a sampling chamber which communicates with an outlet channel formed in the metering body, and the plunger carries a shut-off valve. of the opening arranged to be open in the direction of movement generating the metering, and closed in the direction of movement causing pumping.
  • the shut-off valve is, according to the invention, of the type controlled by the pressure of the liquid generated by the reciprocating movement of the sampling plunger in the liquid.
  • the valve consists of a shutter mounted freely sliding or pivoting relative to the plunger in the chamber.
  • the reciprocating movement of the sample plunger in the liquid can be of any kind, that is to say take place in any direction and be any movement of translation and / or rotation.
  • this reciprocating movement is a vertical translational movement.
  • the metering device has a leakage section which is smaller than the section of the opening when the valve is open, and which is formed between the sampling chamber and the outside of the plunger in contact with the liquid in the tank.
  • the function of this leakage section is to allow the alternating movement of the plunger to be maintained in the liquid even when the outlet channel is also closed.
  • This leakage section which is less for example and according to the invention to one tenth of the section of the opening can be produced simply by the transverse play of the guide contact between the outer surface of the plunger which is in the shape of a piston and the guide surface of a housing formed in the metering body for guiding this plunger. Thus, no seal is used between the plunger and the guide housing of this plunger.
  • the metering device comprises motor means for creating the movement of the plunger in at least one direction of movement - in particular only in one direction, the other direction of movement being transmitted from a movement created outside. dispenser -.
  • the motor means create the movement of the plunger in the direction generating the metering, and consist of a return spring.
  • the movement transmission means of a metering device comprise a rod rigidly associated with the plunger and extending through the sampling chamber and the outlet channel to cooperate on the one hand with the motor means and on the other hand leaves with a movable member outside the dispenser.
  • the cross section of the sampling chamber is larger than the cross section of the introduction opening and that the cross section of the outlet channel. Furthermore, the cross section of the outlet channel decreases from the sampling chamber to the outlet end of the outlet channel outside the metering body.
  • a metering device according to the invention, it will be noted that the speed and the pressure of the metering do not depend on the metering rate since the metering unit comprises motor means in the form of the return spring. Thus, the dosing precision is not affected when the rate is changed or when this rate becomes extremely high.
  • the simplicity of operation and constitution of the metering device, in particular without a seal provides high operating reliability and an extremely long service life.
  • the invention also relates to a metering tap for withdrawing and pouring successively and in sequence predetermined quantities of liquid - in particular aseptic liquid such as a food, cosmetic or pharmaceutical liquid - from a tank in containers of all kinds ( bottles, boxes, flasks, ...) placed successively and in rhythm under a spout of this metering tap, characterized in that it comprises at least one metering unit according to the invention, the outlet channel of which communicates with a spill channel provided in a tap body and opening from the spout.
  • the outlet channel of the dispenser and the discharge channel define a continuously rising or partially horizontal path between the opening for introducing the dispenser plunger and the spout. In this way, the liquid circuit between the reservoir and the spout has no low point or any high point in which nests of infections could be created.
  • the metering valve comprises a discharge shutter interposed on the discharge channel in the body of the valve and which is controlled to open when a container is facing the spout, and to close when no container is opposite the beak.
  • the discharge shutter is controlled at the opening by a mobile control member moved during the positioning of a container facing the spout, and at the closing by a return spring.
  • the metering tap according to the invention comprises a non-return valve interposed between the discharge shutter and the outlet channel of the metering unit, and preventing the flow of liquid in the direction of return to the tank.
  • the non-return valve thus avoids defusing the metering valve in the event of a shutdown or disassembly of the metering device relative to the body of the valve, and preserves general hygiene and asepsis.
  • the metering device is rigidly associated with the tap body to ensure the continuity of the discharge channel and of the metering outlet channel, but in a removable manner to allow the metering unit to be dismantled and changed.
  • the valve body is connected to the metering body by means of a connector.
  • this connector includes removable rigid association means with the reservoir.
  • this connector forms a common fixing bracket for the metering body and the valve body relative to the reservoir.
  • this connector comprises the non-return valve.
  • the invention relates to a metering device for withdrawing and pouring successively and in rhythm predetermined quantities of liquid - in particular aseptic liquid - into containers successively driven and in rhythm by drive means, this metering device comprising a frame forming a reservoir for the liquid and being characterized in that it comprises at least one metering tap according to the invention mounted on the frame so that each dispenser has its sampling plunger immersed in the liquid contained in the tank.
  • a metering device according to the invention generally consists of a frame forming a reservoir carrying at least one metering tap comprising a sampling plunger immersed in the liquid and driven by an alternating movement in this liquid to generate the metering and the pumping quantities of liquid in time.
  • the operation of the sampling plunger of a metering device of a metering device is controlled at least in part from the movement of the means for driving the containers, a predetermined quantity of liquid being sampled according to the rate of operation of these drive means.
  • a metering device In a metering device according to the invention, one of the movements of the sample plunger in one direction is controlled from the movement of the container drive means, and therefore synchronized with this movement, while the other movement of the sampling plunger, that is to say movement in the other direction, is controlled by own motor means and integrated into each metering device, for example in the form of a return spring.
  • the metering movement is controlled from the movement of the container drive means and the pumping movement is controlled by the return spring.
  • the metering device comprises a control cam intended to cooperate with a shoe or roller of each metering device to generate the metering movement, the cam and the frame forming the reservoir being mounted movable relative to each other according to a relative movement generated by the drive means of the containers.
  • the control cam is rigidly associated with the frame by means of means for adjusting the distance separating this control cam from the metering devices. This adjustable distance makes it possible to modify the amplitude of the stroke of the sampling plunger in the liquid and therefore the volume of the quantity dosed, including during operation.
  • the frame of the tank has projections intended to be engaged in the openings or openings of a movable member of the means for driving the containers to drive this frame in motion, the control cam being associated fixed (but of adjustable) to a fixed support.
  • the control cam being associated fixed (but of adjustable) to a fixed support.
  • the metering device according to the invention it is the entire frame forming the reservoir and carrying the metering valves which is mobile and driven in movement.
  • the metering device according to the invention is in the form of a carousel, the reservoir being in the cylindrical lower central position of revolution, its frame comprising a peripheral crown for supporting a plurality of regularly distributed metering taps.
  • the metering devices extend vertically along and inside the cylindrical and vertical walls of the tank, and the frame is extended upwards by an extension, the control cam being a circular cam rigidly associated with a bearing for guiding the extension above the dispenser.
  • the invention also relates to an installation for handling, processing or filling in series containers of any kind such as bottles or the like, characterized in that it comprises at least one metering device according to the invention.
  • an installation according to the invention comprises an apparatus for dosage rigidly associated above a turntable with a rotating star for entry or exit from a carousel for handling, processing or filling containers.
  • the invention also relates to a metering device, a metering tap, a metering device and a handling installation comprising in combination all or part of the characteristics mentioned above or below.
  • the invention relates to a metering device comprising in combination a leakage section as mentioned above and own autonomous motor means integrated into this metering device to generate the movement of the plunger in one direction, in particular in the direction of pumping.
  • the invention relates to a metering device 1 for withdraw and pour successively and in rhythm predetermined quantities of liquid into containers 2.
  • the dosing device 1 according to the invention is more particularly suitable for dosing aseptic liquids such as food, cosmetic or pharmaceutical liquids or the like, but could also be applied to other liquids, for example additives to petroleum products, components of chemical compositions such as detergents, paints or other ...
  • aseptic liquid mention may be made of additives to food products (flavors, liqueurs, colors, preservatives, ...) or even the food liquids themselves in the form of finished products such as drinks, sauces ...
  • the invention is more particularly applicable to liquids in homogeneous or colloidal solution but can also be used for liquids with a certain heterogeneity.
  • the containers 2 are generally driven successively and in time by drive means 3.
  • the drive means 3 consist of a rotary star for entering or leaving a carousel for handling, processing or filling containers formed in a manner known per se of at least a plate 3 in the general shape of a crown provided with peripheral housings 4 for receiving the containers 2.
  • This plate 3 is rotated about a vertical axis 5 by motor means not shown, for example constituted by an electric motor or carousel hydraulics or the star.
  • the metering device 1 comprises a main frame 6 which forms a reservoir 7 for storing the liquid concerned.
  • the metering device 1 comprises at least one metering tap 8 which is mounted integral with the frame 6.
  • the metering device 1 comprises a plurality of metering taps, FIG. 4 representing the example of eight metering taps distributed regularly.
  • the metering device 1 shown is in the form of a carousel itself, the reservoir 7 being in the lower central position, its frame 6 comprising a peripheral ring 9 for supporting the eight metering taps 8 regularly distributed angularly.
  • FIGs 4 and 5 illustrate the example of an installation according to the invention in which the metering device 1 is rigidly associated above a plate 3 with a rotating star for entering or leaving a carousel handling, treatment or filling of containers.
  • the frame 6 forming the tank 7 has vertical projections 10 oriented downward from the bottom wall 11 of the tank 7. These projections 10 are engaged in slots or orifices 12 with a vertical axis of the movable plate 3, so that the rotational movement of this plate 3 is transmitted directly to the frame 6 via the projections 10.
  • the frame 6 is extended upward vertically beyond the peripheral ring 9 by an extension 12 maintained and guided in rotation about the vertical axis 5 by means of a guide bearing 13 mounted on a bracket 14 of fixed support relative to the ground.
  • the liquid is supplied to the reservoir 7 through a supply tube 15 engaged at the upper free end of the extension 12 which is hollow.
  • the feed tube 15 extends vertically through the extension 12 to the central lower part of the reservoir 7.
  • the liquid level in the reservoir 7 is kept constant by means of a probe 16 carried by a support 18 fixed relative to the ground and extended downwards by a probe tube 17 which s also extends through the extension 12 to the central lower part of the reservoir 7.
  • the probe 16 controls the operation of a solenoid valve 19 which controls the flow of liquid through the supply tube 15 coming from a feed pump not shown.
  • the metering device 1 therefore comprises a lower central reservoir 7 and means 15, 16, 17, 18, 19 for maintaining in this reservoir 7 a level of liquid above a predetermined threshold.
  • the reservoir 7 is moreover provided with a drain valve 20 in its central lower end part.
  • Each metering tap 8 makes it possible to withdraw and pour successively and in rhythm a predetermined quantity of liquid in each container placed successively and in rhythm under a spout 21 of this metering tap 8.
  • Each metering tap 8 comprises at least one metering unit 22 comprising a channel 23 outlet from which each dose of liquid is ejected from the metering device into a discharge channel 24 formed in a valve body 25 carrying the spout 21 and communicating with the outlet channel 23.
  • the discharge channel 24 opens out from the spout 21 which is oriented towards the opening of the containers 2. The liquid leaves the metering tap 8 through the spout 21.
  • Each metering unit 22 comprises a metering body 26 intended to be mounted fixed relative to the reservoir 7.
  • This metering body 26 is generally cylindrical and extends vertically through a circular lumen 27 of an at least substantially horizontal wall 28 of the frame 6 which covers the reservoir 7 in the manner of a cover.
  • This wall 28 of the frame 6 is extended beyond the wall peripheral cylindrical 29 of the frame 6 forming the reservoir 7 by the ring 9 peripheral support for the metering taps 8.
  • the metering body 26 extends vertically under the wall 28 forming a cover, so that its lower end portion 30 is immersed in the liquid contained in the reservoir 7.
  • Each metering device 22 comprises a sampling plunger 31 mounted movable relative to the metering body 26 and immersed in the liquid.
  • the metering device 22 further comprises means 32 for transmitting movements to animate this plunger 31 with an alternating movement in the liquid generating in one direction the metering of a predetermined quantity of liquid, and in the other its pumping towards the output channel 23.
  • the outlet channel 23 of the dispenser 22 and the discharge channel 24 define a continuously rising or partially horizontal path between an opening 33 for introducing the liquid into the plunger 31 of the dispenser 22 and the spout 21. From the so, the liquid flow conduit between the reservoir 7 and the spout 21 has no high point or any low point of accumulation of liquid or air.
  • Each metering tap 8 comprises a discharge shutter 34 interposed in the discharge channel 24 and controlled to open when a container 2 is opposite the spout 21 and to close otherwise, that is to say in l absence of container 2 under the spout 21.
  • the discharge valve 34 consists of a cylindrical valve 35 with a vertical axis extending in a vertical part 36 of the discharge channel 24.
  • the lower end of this vertical part 36 is narrowed to form a seat 37 for the valve 35, the diameter of this seat 37 being less than the outside diameter of the valve 35.
  • the valve 35 is carried at the free end of a vertical valve stem 38 which extends downward through a vertical bore 39 formed through the valve body 25.
  • the lower free end 40 of the valve stem 38 is rigidly associated with a stud 41 which projects outside the valve body 25 vertically and downwards.
  • the stud 41 slides vertically relative to the valve body 25 in a vertical wall guide housing 42, and forms a lower stop 43 for supporting a compression spring 44 placed around the valve stem 38.
  • the other end of the spring 44 is supported on an upper shoulder 45 secured to the valve body 25.
  • the stud 41, the valve stem 38 and the valve 35 are permanently returned downwards by the return spring 44 which therefore controls the shutter 34 when closed.
  • a guide ring 46 interposed between the valve stem 38 and the valve body 25 and forming the upper shoulder 45 for the spring 44.
  • the guide ring 46 is extended down to form the guide housing 42, and is therefore also interposed between the stud 41 and the valve body 25.
  • the discharge shutter 34 is controlled at the opening by a control member 47 movable relative to the valve body 25 and moved when a container 2 is placed opposite the spout 21.
  • This control member 47 consists of a shoe 47 articulated with respect to a support 48 mounted on the valve body 25 and / or on the frame 6.
  • the shoe 47 is articulated on its support 48 about a horizontal axis 49.
  • This horizontal axis 49 for pivoting the control shoe 47 is situated in a vertical plane interposed between the vertical axis 50 of sliding of the valve stem 38 and the vertical axis 51 of the spout 21.
  • the control shoe 47 has a face 52 extending slightly inclined relative to the horizontal between the pivot axis 49 of the shoe 47 and the reservoir 7 to come into contact with the stud 41.
  • the center of gravity of the shoe 47 is arranged so that the face 52 of contact with the stud 41 is recalled in contact with this stud 41 by the simple weight of the shoe 47 which generates a torque of this shoe 47 about the pivot axis
  • the shoe 47 also has a face 53 for cooperation with the wall of a container 2.
  • the return spring 44 is calibrated so as to counteract this return torque of the shoe 47 under the effect of its weight.
  • the face 53 is brought closer to the vertical axis 51 of the spout 21 by virtue of the stud 41 which pushes the face 52 under the force of the spring 44.
  • the valve 35 comes into contact with the seat 37 and the discharge channel 24 is closed.
  • a seal 54 is provided between the valve 35 and its seat 37.
  • a seal 55 is provided around the valve stem 38 above the guide ring 46 in order to avoid leaks through the bore 39.
  • the shutter 34 On the left side of Figure 2, the shutter 34 is shown in the closed position. In the right part of FIG. 2 and in FIG. 3, the shutter 34 is shown in the open position, the wall of a container 2 pushing the face 53 of the shoe 47 against the spring 44, the face 52 of the shoe 47, by its pivoting around the axis 49, pushing the stud 41 upwards.
  • each metering tap 8 comprises a non-return valve 56 interposed between the discharge shutter 34 and the outlet channel 23 of the metering unit 22, preventing the flow of liquid in the direction of return to the tank 7.
  • this non-return valve 56 consists of a ball 56 placed in a housing 57 of the discharge channel 24, and which comes to cooperate with a seat 58 horizontal formed by a narrowing in a vertical portion 59 of the discharge channel 24.
  • the housing 57 is sufficiently extended upward to allow the ball 56 to take off from the seat 58 under the pressure of the liquid coming from the metering device 22. In the absence of such pressure or in the event of reverse pressure, the ball 56 comes in contact with the seat 58 and automatically closes the discharge channel 24.
  • a tapping 60 closed by a screw 61 is placed above the ball 56 to allow access to the housing 57. Furthermore, the portion of the discharge channel 24 which extends beyond the housing 57 towards the spout 21 is d 'a diameter smaller than that of the ball 56 in order to prevent it from escaping from the housing 57.
  • the metering unit 22 is rigidly associated by its metering body 26 relative to the valve body 25, but in a removable manner to allow the metering unit 22 or the valve body 25 to be changed.
  • the valve body 25 is connected to the metering body 26 via a connector 62 which comprises means 63 of removable rigid association with the frame 6 of the reservoir 7.
  • the connector 62 forms a stirrup common attachment of the metering body 26 and the valve body 25 relative to the frame 6 of the reservoir 7.
  • the connector 62 interposed between the valve body 25 and the metering body 26 has ribs 64 extending horizontally in a horizontal peripheral groove 65 of the valve body 25, and on the other side, in a horizontal peripheral groove 66 of the metering body 26.
  • the ribs 64 bear on the horizontal walls of the grooves 65, 66 to keep the valve bodies 25, 26 and the metering valve pressed against the peripheral crown 9 and the horizontal wall 38 of the frame 6.
  • the valve body 25 has a shoulder d 'support 67 on the peripheral ring 9 of the frame 6 and the metering body 26 has a shoulder bearing 68 on the horizontal wall 38 forming the cover of the frame 6.
  • the valve body 25 also extends under the peripheral ring 9 through a light 69 formed through this peripheral ring 9.
  • the means 63 for removable association of the connector 62 relative to the frame 6 may consist of two screws 63 with head engaged through vertical bores formed in the connector 62, and whose threaded end cooperates with vertical threads 71 formed in the horizontal wall 38 of the frame 6 or in a nut or a spacer 72 rigidly associated with this frame 6.
  • the connector 62 is supported on the body 25 of the tap and 26 of the metering device.
  • the bodies 25 and 26 are supported on the crown 9 by the connector 62 and held in the slots 69 and 27.
  • the connector 62 comprises the non-return valve 56 previously described, that is to say the portion 59 of the discharge channel 24, the housing 57 with the ball seat 58 and the ball 56.
  • the channel 24 of spillage therefore crosses the fitting 62 from an orifice 73 coming opposite the outlet orifice 74 of the outlet channel 23, up to an orifice 75 coming opposite an orifice 76 of the overflow channel 24 formed in the body 25 tap. Sealing at these orifices can be achieved by means of O-rings 77, 78 placed in the housings of the valve body 25 and of the metering body 26.
  • the metering device 1 therefore comprises at least one and generally several metering taps 8 mounted on the frame 6 so that each metering unit 22 has its sampling plunger 31 immersed in the liquid.
  • the operation of each sampling plunger 31 is controlled at least in part from the movement of the means 3 for driving the containers according to the rate of operation of these means 3 for driving. More specifically, one of the movements of the sampling plunger 31 in one direction - in particular the dosing movement - is controlled from the movement of the drive means 3, while the other movement of the sampling plunger 31 in the other direction - in particular the pumping movement - is controlled from means 79 own motors and integrated into each metering device 22. According to the invention, the pumping movement of the sampling plunger 31 is controlled by a return spring 79.
  • each metering device 22 comprises a shoe or roller 80 connected to the sampling plunger 31 by means of the transmission means 32, and the device 1 metering comprises a control cam 81 intended to cooperate with each shoe or roller 80 to generate this metering movement.
  • the control cam 81 and the frame 6 are movable relative to each other according to a relative movement generated by the movement of the means 3 for driving the containers 2.
  • the control cam 81 is rigidly associated with the frame 6 and this by means of means 82 for adjusting the distance which separates this cam 81 for controlling each of the metering units 22, that is to say pads or rollers 80.
  • the cam 81 for control is associated rigidly fixed relative to the bracket 14 of the fixed support, but by means 82 of adjustment means.
  • the control cam 81 is a generally circular cam whose scope is in a helix which is rigidly associated with the guide bearing 13 of the extension 12 of the frame 6 above the metering devices 22.
  • the adjustment means 82 consist of a vernier 82 formed of a micro-metric thread 83 formed around the guide bearing 13 and of a micro-metric thread 84 of a peripheral nut 85 with which the control cam 81 is associated rigidly. In this way, by turning the nut 85, the overall height of the control cam 81 is modified relative to the metering device 22 and the shoe or roller 80.
  • the amplitude of the stroke of the plunger 31 is thus modified at will. sampling in the liquid during the dosing movement and therefore the overall quantity of liquid dosed with each movement.
  • This adjustment common to all the metering units 22 can thus be carried out possibly during operation and in an extremely precise manner.
  • a radial locking screw 86 makes it possible to block the nut 85 relative to the guide bearing to prevent any untimely rotation during operation.
  • the plunger 31 for sampling the metering device 22 is hollow, and its lower base is provided with the opening 33 for introducing the liquid into an internal sampling chamber 87 which communicates with the outlet channel 23 formed in the body 26 of the metering device.
  • the sampling chamber 87 therefore extends inside the metering body 26, from the introduction opening 33 to the lower end 88 of the outlet channel 23.
  • This lower end 88 of the outlet channel 23 opens into a cylindrical housing 89 for guide formed in the lower part 30 of the metering body 26 to guide the plunger 31 in its reciprocating movement of vertical translation.
  • the sampling chamber 87 is therefore of variable volume depending on whether the plunger 31 is in the upper part of the housing 89, in contact with the lower end 88 of the outlet channel 23, or on the contrary that it is in a position less than 1 'free end 90 lower of the metering body 26.
  • the plunger 31 carries a valve 91 for closing the opening 33.
  • This valve 91 is arranged to be open in the direction of movement causing the metering, that is to say in the direction of descent of the plunger 31, and closed in the direction of movement causing the pumping, that is to say in the direction of rise of the plunger 31.
  • the shutter valve 91 is of the type controlled by the pressure of the liquid generated by the reciprocating movement of the plunger 31. It consists of a shutter 91 mounted freely sliding relative to the plunger 31 in the chamber 87 of sample.
  • the plunger 31 is mounted movable in vertical translation relative to the metering body 26, and the means 32 for transmitting movement animate the plunger 31 with an alternating movement of vertical translation from bottom to up and up and down.
  • the sampling chamber 87 is disposed above the introduction opening 33 and the shutter valve 91 closes the opening 33 when the plunger 31 rises and opens it when it descends.
  • the plunger 31 consists of a hollow plunger guided in the lower housing 89 which is formed in the metering body 26 at the lower end 88 of the outlet channel 23 communicating with the sampling chamber 87.
  • the lower part of the hollow plunger 31 consists of a plug support 92 which includes a vertical cylindrical bore 93, and which is provided with an external thread screwed into a thread 94 of the main cylinder 95 forming the plunger 31.
  • L shutter 91 therefore forms a plug for the bore 93 of the plug support 92.
  • the shutter 91 has a cylindrical portion 96 engaged in the bore 93 of the plug support 92, and which comprises at least one channel passage 97 extending vertically for the passage of liquid between the bore 93 and the cylindrical part 96.
  • the lower cylindrical part 96 is extended upwards by a cylindrical upper part 98 whose diameter is larger than the diameter of the bore 93 of the plug support 92, so as to form a shoulder 99 with the lower cylindrical part 96, shoulder 99 which comes into contact with the upper horizontal face 100 of the plug support 92 to close the passage channel 97.
  • the main cylinder 95 of the plunger 31 extends around the upper part 98 of the shutter 91 upwards to form the lower part of the sampling chamber 87.
  • the upper part 101 of this main cylinder 95 is connected by spokes to the lower free end 102 of a rod 32 forming the above-mentioned transmission means. These radii obviously define vertical passage openings 103 of the liquid.
  • the upper part 98 of the shutter 91 moves inside the lower part of the sampling chamber 87 between the lower free end 102 of the transmission rod 32 and the plug support 92.
  • the plunger 31 descends into the housing 89, the upper part 98 of the shutter 91 rises until it comes into contact with the lower free end 102 of the transmission rod 32.
  • the liquid passes through the opening 33 consisting of the cross section of the passage channel (s) 97 formed in the lower cylindrical part 96 of the shutter 91 which slides in the bore 93.
  • the liquid therefore arrives in the lower part of the sampling chamber 87, then passes through the openings 103.
  • the sampling plunger 31 rises inside the housing 89
  • the upper part 98 of the shutter 91 descends until the shoulder 99 comes into contact with the upper horizontal face 100 of the stopper support 92, the passage of the liquid being no longer possible, the opening 33 thus being closed.
  • the metering device 22 has a leakage section between the sampling chamber 87 and the liquid in the reservoir 6, the value of which is less than the section of the opening 33 for introduction when the valve 91 is open.
  • This leakage section is less, for example less than one tenth of the section of the opening 33, and, in the embodiments shown, is produced by the simple transverse play of the guide contact between the outer surface 104 of the plunger 31 and the guide surface 105 of the housing 89 of the lower part 30 of the metering body in which the plunger 31 slides.
  • the sampling plunger 31 does not have a seal or sealing segment between its cylindrical outer surface 104 and the surface 105 of the cylindrical housing 89 which guides it.
  • the leakage section of the metering device 22 can also be produced positively by channels provided either in the metering body 26 at its lower part 30, or along the guide surface 105 of this housing 89, or in and along the outer surface 104 of the plunger 31, that is to say inside the body of the main cylinder 95 and the support 92 of the plug.
  • a certain leak must be possible for the passage of the liquid between the sampling chamber 87 and the reservoir 6 while the valve 91 is closed. Obviously, this leak must be minimal and of very low value, in particular compared to the opening 33 for normal introduction of the liquid during the dosing. It must nevertheless be sufficient to allow the plunger piston 31 to rise under the effect of the spring 79, and this in rhythm.
  • the transmission means 32 comprise a vertical rod 32 rigidly associated by its lower free end 102 with the plunger 31 and extending upwards through the sampling chamber 87 and the channel 23 of exit.
  • the return spring 79 is a compression spring which extends vertically around the transmission rod 32, which is supported by its lower end 106 on a lower shoulder 107 secured to the metering body 26, and which is supported by its end upper 108 on an upper shoulder 109 secured to the transmission rod 32.
  • the upper end 110 of the transmission rod 32 is associated with the shoe or roller 80 of the metering device 22 intended to cooperate with the control cam 81 to generate the movement of the transmission rod 32 downwards.
  • the return spring 79 generates the movement of the transmission rod 32 upwards.
  • the metering body 26 consists of two parts extending axially vertically, namely a lower part 111 associated with the frame 6 of the tank, and an upper part 112 extending the lower part, the two parts 111 and 112 being associated rigidly to each other with a guide ring 113 interposed between these two parts 111, 112 for the transmission rod 32.
  • the upper part 112 extends above the guide ring 113 to form a sleeve for the compression spring 79.
  • the upper free end 110 of the transmission rod 32 is fixed by a screw 114 to a support 115 of the pad 80.
  • the pad support 115 is extended downwards by a skirt 116 which extends around the upper part 112 of the metering body 26 which forms a sheath for the compression spring 79.
  • a guide ring 117 is interposed between the skirt 116 and the outer surface of this upper part 112.
  • the transmission rod 32 is guided in its vertical translation relative to the metering body 26 by means of the guide ring 113 interposed between the lower parts 111 and upper 112 , and by the interposed guide ring 117 between the skirt 116 of the pad support 115 and the upper part 112 forming a sheath for the compression spring 79.
  • the pad support 115 carries at its upper free end the pad 80 which can also be produced in the form of a roller or other.
  • the length of the skirt 116 and of the upper part 112 forming a sheath for the compression spring 79 is defined as a function of the maximum vertical stroke which it is desired to give to the transmission rod 32 and to the sampling plunger 31.
  • the transmission rod 32 extends vertically upwards through the outlet channel 23, which it leaves through an orifice 118 in the lower part 111 of the metering body 26, provided with a seal 119.
  • This orifice 118 is immediately extended by the guide ring 113 which is wedged in a cylindrical housing of the upper part 112.
  • the outlet channel 23 extends horizontally under the orifice 118 towards its orifice 74 outlet of the doser body 26.
  • the cross section of the sampling chamber 87 is larger than the section of the introduction opening 33 so as to form a large suction of the liquid in this sampling chamber 87 during the descent of the plunger 31. Furthermore, the cross section of the sampling chamber 87 is greater than the cross section of the lower end 88 of the outlet channel 23, and the cross section of this outlet channel 23 decreases from the sampling chamber 87 to its outlet end 74 of the metering body 26, so as to increase the speed of the liquid from the valve 91 to this outlet orifice 74. Also, the cross section of the orifice 73 of the connector 62 opposite the orifice 74 of outlet of the outlet channel 23 is greater than the cross section of the spout 21 for ejecting the liquid from the metering valve 8. Thus, the speed of the liquid in the outlet channel 23 and in the discharge channel 24 increases continuously or almost continuously from the valve 91 of the opening 33 for introduction to the spout 21 for ejecting the liquid.
  • FIGS. 2 and 3 The operation of the invention is illustrated in FIGS. 2 and 3.
  • no container is placed under the spout 21 of the metering valve 8.
  • the shutter 34 for spillage is therefore closed, thus as the non-return valve 56.
  • the shoe 80 On the right-hand side of FIG. 2, the shoe 80 is lowered vertically due to its contact with the control cam 81.
  • the compression spring 79 is crushed, the transmission rod 32 is lowered as well as the plunger 31.
  • the valve 91 is open and the liquid enters the sampling chamber 87 through the opening 33 for introduction.
  • a container 2 being placed opposite the spout 21, the control shoe 47 pushes the discharge shutter 34 which is open.
  • the dispenser 22 according to the invention is therefore very simple and extremely effective from the point of view of the precision of its dosage and of its longevity. Furthermore, the main cylinder 95 of the plunger 31 is associated with the lower free end 102 of the transmission rod 32 in a removable manner, for example by means of a thread 120 cooperating with a thread of this lower free end 102 It is thus easy to change the plunger 31 to replace it with a plunger whose diameter of the opening 33 for introduction and / or of the sampling chamber 87 is smaller or larger. It is thus possible to vary the metered quantity of liquid. Furthermore, this metered quantity of liquid also depends on the vertical stroke given to this plunger 31, ie the shape and the position of the control cam 81 relative to the frame 6.
  • the metering device 22 could also extend in a manner that is not strictly vertical, or even horizontally, and the plunger 31 could be driven by an alternating movement of inclined or horizontal translation in the liquid.
  • the plunger could be of the rotary type driven by an alternating rotation movement, the valve then closing a radial opening of a radial face relative to the axis of rotation of the plunger.
  • the metering device 1 can be produced with a single metering tap 8, and instead of providing the rotary frame 6 relative to a control cam 81 which is fixed, it is possible to provide for this fixed control cam 81 is replaced by a rotary cam about a horizontal axis and which pushes back the pad 80 in the manner of a rocker.
  • This rotary cam can be synchronized with drive means or any other motor means.

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Basic Packing Technique (AREA)
  • Water Treatment By Sorption (AREA)
  • Apparatus For Making Beverages (AREA)
  • External Artificial Organs (AREA)

Claims (43)

  1. Dosierer, mit dem nacheinander und eventuell unter sehr schnellem Arbeitstakt aus einem Behälter (7) geringe Flüssigkeitsmengen entnommen werden können, bestehend aus einem Dosierkörper (26), der dazu bestimmt ist, mit dem Behälter (7) fest verbunden zu werden, und wechselweisen Mitteln (31) für den Dosier-/Pumpvorgang, die durch Bewegungsübertragungsmittel (32), von einer wechselweisen Bewegung angeregt werden, die in einer Richtung die Dosierung einer vorbestimmten Flüssigkeitsmenge und in die andere das Pumpen derselben, erzeugt, wobei die genannten wechselweisen Mittel (31) für den Dosier-/Pumpvorgang aus einem Entnahmekolben (31) bestehen, der sich im Inneren eines äußersten Teils (30) des Dosierkörpers (26) frei bewegt, wobei vorletzter eine Entnahmekammer bildet und einen Führungsraum (89) des Kolbens (31) bestimmt und mit der genannten Flüssigkeit in Verbindung steht, wobei durch die Bewegungsübertragungsmittel (32) diesem Entnahmekolben (31) eine wechselweise Bewegung auferlegt wird und der genannte Kolben (31) ein Tauchkolben ist, der in der genannten Flüssigkeit eingetaucht ist und ein Ventil (96) besitzt, das geöffnet wird, wenn der Kolben (31) in Richtung des Dosiervorgangs bewegt wird und das geschlossen wird, wenn der Kolben (31) in Richtung des Pumpvorgangs bewegt wird, dadurch gekennzeichnet, daß sich der Dosierkörper oberhalb der im Behälter enthaltenen Flüssigkeit sowie in dieser Flüssigkeit ausbreitet, und dadurch, daß der untere äußerste Teil (30) des Dosierkörpers (26) in die im Behälter (7) enthaltene Flüssigkeit eingetaucht ist.
  2. Dosierer gemäß Anspruch 1, dadurch gekennzeichnet, daß der Entnahmekolben (31) hohl ist, mit einer Einführungsöffnung (33) für die Flüssigkeit in eine Entnahmekammer (87) versehen ist, die mit einem im Dosierkörper (26) angebrachten Ausgangskanal (23) in Verbindung steht und dadurch, daß der Tauchkolben (31) an der Öffnung (33) ein Verschlußventil (91) besitzt, das in die Bewegungsrichtung geöffnet wird, die den Dosiervorgang erzeugt und in die Bewegungsrichtung geschlossen wird, die den Pumpvorgang erzeugt.
  3. Dosierer gemäß Anspruch 2, dadurch gekennzeichnet, daß das Verschlußventil (91) durch den Druck der Flüssigkeit gesteuert wird, der wiederum durch die wechselweise Bewegung des Tauchkolbens (31) erzeugt wird.
  4. Dosierer gemäß einem der Ansprüche 2 und 3, dadurch gekennzeichnet, daß das Verschlußventil (91) aus einer Verschlußvorrichtung (91) besteht, die frei beweglich und gegenüber dem Tauchkolben (31) ineinander gleitend in der Entnahmekammer (87) eingebaut ist.
  5. Dosierer gemäß einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß er zwischen der Entnahmekammer (87) und der Flüssigkeit im Behälter (7) ein Leckquerschnitt aufweist, dessen Wert unter dem Querschnitt der Öffnung (33) liegt, wenn das Verschlußventil (91) offen ist und die wechselweise Bewegung des Tauchkolbens (31) in der Flüssigkeit aufrecht erhalten bleibt, während der Ausgangskanal (23) geschlossen ist.
  6. Dosierer gemäß einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß der Tauchkolben (31) aus einem hohlen Kolben besteht, der in einem Raum (89) geführt wird, der am Ende (88) des Ausgangskanals (23) im Dosierkörper (26) angebracht ist und mit der Entnahmekammer (87) in Verbindung steht.
  7. Dosierer gemäß den Ansprüchen 5 und 6, dadurch gekennzeichnet, daß der Leckquerschnitt durch das Querspiel des Führungskontakts zwischen der äußeren Oberfläche (104) des Tauchkolbens (31) und der Führungsoberfläche (105) des Raums (89) erfolgt.
  8. Dosierer gemäß einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß er Antriebsmittel (79) für die Bewegung des Tauckolbens (31) in mindestens eine Richtung besitzt.
  9. Dosierer gemäß Anspruch 8, dadurch gekennzeichnet, daß die Antriebsmittel (79) die Bewegung des Tauchkolbens (31) ausschließlich in eine Richtung erzeugen, und die andere Bewegungsrichtung von einer Bewegung außerhalb des Dosierapparats übertragen wird.
  10. Dosierer gemäß einem der Ansprüche 8 und 9, dadurch gekennzeichnet, daß die Antriebsmittel (79) die Bewegung des Tauchkolbens (31) in die Richtung des Pumpvorgangs erzeugen.
  11. Dosierer gemäß einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Antriebsmittel (79) aus einer Spannfeder (79) bestehen.
  12. Dosierer gemäß einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Übertragungsmittel (32) aus einer Spindel (32) bestehen, die an einem Ende (102) mit dem Tauchkolben (31) verbunden ist und sich von der Entnahmekammer (87) bis zum Ausgangskanal (23) erstreckt.
  13. Dosierer gemäß Anspruch 12, dadurch gekennzeichnet, daß das andere Ende (110) der Übertragungsspindel (32) mit einer Kufe oder Walze verbunden ist, die für die Erzeugung der Bewegung der Übertragungsspindel (32) mit einer Steuernocke (81) zusammenarbeitet.
  14. Dosierer gemäß einem der Ansprüche 2 bis 13, dadurch gekennzeichnet, daß der Tauchkolben (31) gegenüber dem Dosierkörper (26) eine frei bewegliche vertikale Translationsbewegung beschreibt, dadurch gekennzeichnet, daß die Bewegungsübertragungsmittel (32) auf den Tauchkolben (31) eine wechselweise vertikale Translationsbewegung von unten nach oben im Pumpvorgang und von oben nach unten im Dosiervorgang übertragen, dadurch gekennzeichnet, daß die Entnahmekammer (87) über der Öffnung (33) angebracht ist, und dadurch, daß das Verschlußventil (91) während der Aufwärtsbewegung des Tauchkolbens (31) die Öffnung (33) schließt.
  15. Dosierer gemäß den Ansprüchen 10 oder 11 und 14, dadurch gekennzeichnet, daß es sich bei der Spannfeder (79) um eine Druckfeder handelt (79), die sich vertikal um die Spindel (32) erstreckt, und sich mit ihrem unteren Ende (106) auf einen unteren mit dem Dosierkörper (26) fest verbundenen Ansatz (107) und mit ihrem oberen Ende (108) auf einen oberen mit der Übertragungsspindel (32) fest verbundenen Ansatz (109) stützt.
  16. Dosierer gemaß einem der Ansprüche 2 bis 15, dadurch gekennzeichnet, daß der transversale Querschnitt der Entnahmekammer (87) größer ist als der Querschnitt der Einführungsöffnung (33).
  17. Dosierer gemäß einem der Ansprüche 2 bis 16, dadurch gekennzeichnet, daß der transversale Querschnitt der Entnahmekammer (87) größer ist als der transversale Querschnitt des Ausgangskanals (23).
  18. Dosierer gemäß einem der Ansprüche 2 bis 17, dadurch gekennzeichnet, daß der transversale Querschnitt des Ausgangskanals (23) von der Entnahmekammer (87) bis zum Ausgangsende (74) des Dosierkörpers (26) abnimmt.
  19. Dosierhahn für die Entnahme aus einem Rehälter (7) und das anschließende schnelle Ausgießen von vorbestimmten Flüssigkeitsmengen - insbesondere von keimfreien Flüssigkeiten - in Gefäße (2), die nacheinander schnell unter einen Ausguß (21) dieses Dosierhahns plaziert werden, dadurch gekennzeichnet, daß er mindestens aus einem Dosierer (22) gemäß einem der Ansprüche 1 bis 18 besteht, der wiederum einen Ausgangskanal (23) umfaßt, der mit einem Ausgußkanal (24) in einem Dosierhahnkörper (25) in Verbindung steht und mit dem Ausguß (21) verbunden ist.
  20. Dosierhahn gemäß Anspruch 19, dadurch gekennzeichnet, daß der Ausgangskanal (23) des Dosierers (22) und der Ausgußkanal (24) einen kontinuierlich steigenden Weg oder teilweise horizontalen Weg zwischen der Einführungsöffnung (33) des Dosierers (22) und des Ausgußes (21) beschreiben.
  21. Dosierhahn gemäß einem der Ansprüche 19 und 20, dadurch gekennzeichnet, daß er eine Ausgußverschlußvorrichtung (34) umfaßt, die sich auf dem Ausgußkanal (24) befindet und die geöffnet wird, wenn ein Gefäß in Sichtweite des Ausgußes (21) gelangt und die im entgegengesetzten Fall geschlossen wird.
  22. Dosierhahn gemäß Anspruch 21, dadurch gekennzeichnet, daß der Öffnungsvorgang der Ausgußverschlußvorrichtung (34) von einem frei beweglichen Steuerorgan (47) gesteuert wird, das beim Einbringen eines Gefäßes (2) in Sichtweite des Ausgußes (21) deplaziert wird.
  23. Dosierhahn gemäß einem der Ansprüche 21 und 22, dadurch gekennzeichnet, daß der Schließvorgang der Ausgußverschlußvorrichtung (34) von einer Spannfeder (44) gesteuert wird.
  24. Dosierhahn gemäß einem der Ansprüche 19 bis 23, dadurch gekennzeichnet, daß er zwischen der Ausgußverschlußvorrichtung (34) und dem Ausgangskanal (23) des Dosierers (22) ein Rückschlagventil (56) besitzt, das ein Zurückfließen der Flüssigkeit in den Behälter (7) verhindert.
  25. Dosierhahn gemäß einem der Ansprüche 19 bis 24, dadurch gekennzeichnet, das der Dosierer (22) fest mit dem Dosierhahnkörper (25) verbunden ist, aber dennoch abgenommen werden kann.
  26. Dosierhahn gemäß einem der Ansprüche 19 bis 25, dadurch gekennzeichnet, daß der Dosierhahnkörper (25) mittels Verbindungsstück (62) mit dem Körper (26) des Dosierers verbunden ist.
  27. Dosierhahn gemäß Anspruch 26, dadurch gekennzeichnet, daß das Verbindungsstück (62) Mittel (63) zum biegesteifen und abnehmbaren Verbinden mit dem Behälter (7) besitzt.
  28. Dosierhahn gemäß einem der Ansprüche 26 und 27, dadurch gekennzeichnet, daß das Verbindungsstück (62) mit dem Körper (26) des Dosierers und dem Körper (25) des Dosierhahns gegenüber dem Behälter (7) einen gemeinsamen Befestigungsbügel bildet.
  29. Dosierhahn gemäß Anspruch 24 und einem der Ansprüche 26 bis 28, dadurch gekennzeichnet, daß das Verbindungsstück (62) das Rückschlagventil (56) umfaßt.
  30. Dosierapparat für die Entnahme und das anschließende schnelle Ausgießen von vorbestimmten Flüssigkeitsmengen - insbesondere von keimfreien Flüssigkeiten - in Gefäße (2), die nacheinander und unter schnellem Arbeitstakt durch Antriebsmittel (3) angetrieben werden, bestehend aus einem Rahmen (6), der den Behälter (7) für die Flüssigkeit bildet, dadurch gekennzeichnet, daß der Dosierapparat mindestens aus einem auf den Rahmen (6) montierten Dosierhahn (8) besteht, gemäß einem der Ansprüche 19 bis 29, wobei jeder Dosierer (22) über seinen eigenen in die Flüssigkeit getauchten Entnahmetauchkolben (31) verfügt.
  31. Dosierapparat gemäß Anspruch 30, dadurch gekennzeichnet, daß die Funktionsweise des Entnahmetauchkolbens (31) mindestens teilweise durch die Bewegung der Antriebsmittel (3) der Gefäße unter Berücksichtigung des Arbeitstaktes dieser Antriebsmittel (3) gesteuert wird.
  32. Dosierapparat gemäß Anspruch 31, dadurch gekennzeichnet, daß eine Bewegung des Entnahmetauchkolbens (31) in eine Richtung durch die Bewegung der Antriebsmittel (3) der Gefäße gesteuert und die Bewegung des Entnahmetauchkolbens (31) in die andere Richtung durch die jedem Dosierer (22) eigenen und in diesen integrierten Antriebsmittel (79) gesteuert wird.
  33. Dosierapparat gemäß Anspruch 32, dadurch gekennzeichnet, daß die Pumpbewegung des Entnahmetauchkolbens (31) von einer Spannfeder (79) gesteuert wird.
  34. Dosierapparat gemäß einem der Ansprüche 32 und 33, dadurch gekennzeichnet, daß die Dosierbewegung des Entnahmetauchkolbens (31) von der Bewegung der Antriebsmittel (3) der Gefäße gesteuert wird.
  35. Dosierapparat gemäß einem der Ansprüche 31 bis 34, dadurch gekennzeichnet, daß jeder Dosierer (22) eine Kufe bzw. Walze (80) umfaßt, die mit dem Entnahmetauchkolben (31) verbunden ist, dadurch gekennzeichnet, daß er eine Steuernocke (81) besitzt, die dazu bestimmt ist, mit jeder Kufe bzw. Walze (80) zusammenzuarbeiten, um die Dosierbewegung zu erzeugen, und dadurch gekennzeichnet, daß die Steuernocke (81) und der Rahmen (6) gemäß einer relativen Bewegung, die von den Antriebsmitteln (3) der Gefäße erzeugt wird, gegeneinander frei beweglich sind.
  36. Dosierapparat gemäß Anspruch 35, dadurch gekennzeichnet, daß die Steuernocke (81) mittels Einstellmitteln (82), mit der der Abstand zwischen Steuernocke (81) und Dosierer (22) eingestellt wird, biegesteif mit dem Rahmen (6) verbunden ist.
  37. Dosierapparat gemäß einem der Ansprüche 31 bis 36, dadurch gekennzeichnet, daß der Rahmen (6) des Behälters (7) Vorsprünge (10) besitzt, die dazu bestimmt sind, mit den Schlitzen bzw. Öffnungen eines beweglichen Organs der Antriebsmittel (3) der Gefäße verbunden zu werden, um diesen Rahmen (6) in Bewegung zu setzen.
  38. Dosierapparat gemäß einem der Ansprüche 35 bis 37, dadurch gekennzeichnet, daß die Steuernocke (81) fest mit einem feststehenden Träger (114) verbunden ist.
  39. Dosierapparat gemäß einem der Ansprüche 30 bis 38, dadurch gekennzeichnet, daß er karusselförmig ausgelegt ist, wobei der Behälter (7) darunter zentral gelagert ist, und der Rahmen (6) eine periphere Krone (9) zur Aufnahme mehrerer, gleichmäßig verteilter Dosierhähne (8) besitzt.
  40. Dosierapparat gemäß einem der Ansprüche 35 bis 39, dadurch gekennzeichnet, daß sich die Dosierer (22) vertikal erstrecken, daß der Rahmen (6) nach oben durch einen Fortsatz (12) verlängert ist und daß es sich bei der Steuernocke (81) um eine kreisförmige Nocke handelt, die mit einem Führungslager (13) des Fortsatzes (12) oberhalb der Dosierer (22) fest verbunden ist.
  41. Dosierapparat gemäß einem der Ansprüche 30 bis 40, dadurch gekennzeichnet, daß er Mittel (15, 16, 17, 18, 19) umfaßt, die Flüssigkeit im Behälter (7) über einen vorbestimmten Grenzwert erhalten.
  42. Anlage für die Beförderung, die Behandlung oder das reihenweise Auffüllen von Gefäßen wie z.B. Flaschen, dadurch gekennzeichnet, daß sie mindestens einen Dosierapparat gemäß einem der Ansprüche 30 bis 41 umfaßt.
  43. Anlage gemäß Anspruch 42, dadurch gekennzeichnet, daß der Dosierapparat (1) oberhalb einer Platte (3) fest mit einem rotativen Eingangs- oder Ausgangsstern eines Karussels für die Beförderung, Behandlung oder das Auffüllen von Gefäßen verbunden ist.
EP93402460A 1992-10-09 1993-10-06 Dosierer, Dosierventil und Vorrichtung zum chargenweisen Dosieren von Flüssigkeit Expired - Lifetime EP0592312B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9212372 1992-10-09
FR9212372A FR2696733B1 (fr) 1992-10-09 1992-10-09 Doseur, robinet doseur, appareil de dosage en cadence de liquide.

Publications (2)

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EP0592312A1 EP0592312A1 (de) 1994-04-13
EP0592312B1 true EP0592312B1 (de) 1997-01-02

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US (1) US5417260A (de)
EP (1) EP0592312B1 (de)
AT (1) ATE147057T1 (de)
DE (1) DE69307084T2 (de)
ES (1) ES2098698T3 (de)
FR (1) FR2696733B1 (de)

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FR2615845B1 (fr) * 1987-05-29 1989-11-17 Perrier Sa Ets Doseuse pour le traitement de boissons en bouteilles
JPH0642964Y2 (ja) * 1989-03-24 1994-11-09 四国化工機株式会社 液体定量充填装置
IT1242614B (it) * 1990-12-07 1994-05-16 Macofar Spa Macchina per il dosaggio e l'introduzione di prodotti polerulenti in contenitori.

Also Published As

Publication number Publication date
ATE147057T1 (de) 1997-01-15
FR2696733B1 (fr) 1994-12-16
ES2098698T3 (es) 1997-05-01
DE69307084T2 (de) 1997-08-14
US5417260A (en) 1995-05-23
EP0592312A1 (de) 1994-04-13
DE69307084D1 (de) 1997-02-13
FR2696733A1 (fr) 1994-04-15

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