US20140102586A1 - Apparatus for filling a container with a liquid which is intended, in particular, for consumption - Google Patents
Apparatus for filling a container with a liquid which is intended, in particular, for consumption Download PDFInfo
- Publication number
- US20140102586A1 US20140102586A1 US13/884,301 US201213884301A US2014102586A1 US 20140102586 A1 US20140102586 A1 US 20140102586A1 US 201213884301 A US201213884301 A US 201213884301A US 2014102586 A1 US2014102586 A1 US 2014102586A1
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- United States
- Prior art keywords
- tube
- container
- separating disk
- flexible separating
- diameter
- 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.)
- Abandoned
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Classifications
-
- 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
- B67C3/22—Details
- B67C3/222—Head-space air removing devices, e.g. by inducing foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/044—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles being combined with a filling device
-
- 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
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
-
- 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
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
- B67C2003/2651—The liquid valve being carried by the vent tube
- B67C2003/2654—The liquid valve being carried by the vent tube specially adapted for bottom filling, e.g. the liquid valve being located at the lowest part of the vent tube
-
- 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
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
- B67C2003/2657—Filling-heads; Means for engaging filling-heads with bottle necks specially adapted for filling cans
Definitions
- the invention concerns an apparatus for filling a container with a liquid intended, in particular, for consumption, according to the preamble of claim 1 .
- the filling apparatus according to the invention is in particular intended and conceived for cylindrical containers that have in comparison to the diameter of the container a very large opening. This means that the diameter of the opening is within the range of magnitude of the diameter of the container.
- the apparatus according to the invention is intended for filling cans or so-called wide-neck bottles.
- the liquid For filling a container with a liquid intended, in particular, for consumption, in particular beverages, the liquid is supplied to the container e.g. by means of a supply tube.
- a supply tube For filling a container with a liquid intended, in particular, for consumption, in particular beverages, the liquid is supplied to the container e.g. by means of a supply tube.
- the problem in this context is that the liquid is exposed to ambient air or other gas with the result of undesirable gas release, gas exchange or gas introduction.
- the object of the invention is therefore to develop an apparatus for filling a container with a liquid intended, in particular, for consumption without the liquid coming into contact with an ambient gas, in particular, ambient air.
- the technical solution is characterized by the features of the characterizing portion of claim 1 .
- an effective apparatus for filling, without contact with a gas, of a container with a liquid intended, in particular, for consumption.
- the apparatus is distinguished in that the liquid during the filling process does not come into contact with ambient gas, in particular, ambient air.
- the advantage of this device resides thus in that the liquid upon filling of the container is not subject to any gas release, gas exchange or gas introduction.
- a kind of piston is inserted.
- This piston is comprised of a vertical tube through which, in the end, the liquid to be filled in is passed. The lower end of this tube has a flexible separating disk. It is attached inwardly seal-tightly to the tube.
- the flexible separating disk is contacting with the peripheral area the inner wall surface of the container to be filled.
- the separating disk divides the container into two areas, i.e., an area above the separating disk which is in communication with the ambient air as well as a lower area which is completely separated during the filling process from ambient air. This is so because this lower area is delimited by the flexible separating disk, moreover by the bottom of the container as well as, finally, by the inner wall surface of container.
- the flexible separating disk is to be understood in the most general sense. In principle, it is a flexible structure which, as described above, divides the interior of the container during the filling process into two different areas in a seal-tight way.
- the flexible separating disk when the flexible separating disk is in its lower position, no air (or essentially no air) is located between the separating disk and the bottom of the container. Subsequently, the piston is moved upwardly. At the same time, the valve is opened so that liquid can flow from the tube into the container. In this context, this liquid fills exactly the space which is created upon the upward movement of the vertical tube as well as of the flexible separating disk. Accordingly, the liquid space is hermetically sealed from the air positioned above by the flexible separating disk so that the liquid cannot come into contact with the ambient air. After completion of the filling process, the afore described piston can then be completely pulled out of the container. The opening of the container can then be closed. For example, a lid is attached to the can.
- the diameter of the flexible separating disk is larger than the inner diameter of the container. In this way, an absolutely seal-tight closure between the peripheral rim of the flexible separating disk and the inner wall surface of the container is provided.
- the separating disk after the downward stroke of the piston, also has the possibility during the subsequent upward movement during the filling process to fold over while a sealing action is ensured still.
- the flexible separating disk is resting with its peripheral rim on the inner wall surface of the container.
- the air can escape upwardly between the peripheral rim of the flexible separating disk and the inner wall surface of the container. Because of its flexibility, the separating disk can bend accordingly so that air contained in the container can laterally flow past it.
- daim 4 it is proposed according to daim 4 that upon downward movement of the tube the diameter of the flexible separating disk is smallerthan the inner diameter of the container. This means that during the downward movement of the tube the separating disk is moved in downward direction to the bottom of the container without contacting the inner wall of the container. In the bottom area, the diameter of the flexible separating disk must then be enlarged in such a way that it seal-tightly contacts the inner wall of the container for the subsequent filling process.
- the embodiment according to claim 5 proposes that the flexible separating disk is matched to the bottom profile of the container. This means that the residual air between the separating disk and the bottom of the container is reduced to a minimum.
- the flexible separating disk can be designed as a substantially flat single-layer body.
- the embodiment according to claim 7 proposes that the diameter of the flexible separating disk can be adjusted. This means that, before introduction of the separating disk into the container, this separating disk has a smaller diameter than the diameter of the opening of the container as well as the inner diameter of the container in the filling area. This has the advantage that the separating disk can be introduced without problem into the opening of the container without it contacting the circumferential rim of this opening. Primarily, however, the peripheral rim of the separating disk upon downward stroke does not contact the inner wall of the container. Only in the lowerposition, when the separating disk is thus resting on the bottom of the container, the diameter is enlarged again such that the peripheral surface of the separating disk is resting seal-tightly on the inner wall surface of the container. After completion of filling, the diameter of the separating disk can be reduced again so that the separating disk will not contact the inner circumferential edge of the opening.
- the flexible separating disk is embodied as a bellows.
- This bellows can be at least of a two-layer configuration.
- Such a bellows has the advantage that the diameter can be changed in a technically simple way.
- the bellows is e.g. is lengthened, its diameter is reduced with the advantage that it can be inserted into the opening of the container or can be pulled out of the opening of the container without it contacting the circumferential edge of the opening.
- the embodiment according to claim 9 proposes a spiral spring.
- the latter is arranged concentrically about the tube.
- the outer end of this spiral spring is secured in the outer area of the separating disk that is adjustable with regard to its diameter.
- the inner end of the spiral spring is arranged in the central area of the system and, primarily, is rotatable relative to the axis of the tube.
- this inner end of the spiral spring can be secured on a sleeve-like tube which is concentrically arranged on the tube for supplying the liquid.
- this spiral spring is used as an active element in order to adjust the flexible separating disk or the bellows in its diameter.
- this spiral spring enables to even better tension the flexible separating disk or the bellows. In this way, an improved sealing action relative to the inner wall surface of the container is provided.
- the contact pressure is distributed uniformly from the interior to the exterior in radial direction.
- the flexible separating disk is loaded pneumatically or hydraulically with overpressure or underpressure.
- a medium is supplied to the hollow space that is enclosed by the flexible separating disk for enlarging the diameter, or the medium is removed for reducing the diameter.
- a supply device or removal device for the medium preferably an intermediate space between the central tube for the liquid and an outer tube that concentrically surrounds this tube is used. This intermediate space opens in a seal-tight way into the afore described hollow space.
- the embodiment according to claim 11 proposes a valve of a special design. It is embodied in the form of a valve plate which is arranged at a lower end of a valve rod. This valve rod extends through the tube. The valve plate can be moved in order to open the opening, depending on the configuration, either in downward or upward direction, depending on where the correlated contact flange of the tube is positioned.
- a float member can be provided as a valve which is disposed at the lower end of the tube.
- venting opening in the area of the lower opening of the tube at least one openable as well as closable venting opening can be provided.
- This venting opening is opened when after filling of the container the filling apparatus is pulled out of the container in upward direction. By opening the venting opening, an underpressure cannot be produced.
- the venting opening can be open in order to accelerate in this way the escape of the air that is contained in the container. In any case, the venting opening is closed when liquid is filled into the container.
- FIG. 1 a first embodiment in a schematic illustration
- FIGS. 2 a to 2 k an illustration of the filling process in sequential steps with the apparatus of FIG. 1 ;
- FIGS. 3 a and 3 b a modified embodiment of the filling apparatus with regard to profiling of the lower flexible separating disk
- FIGS. 4 a and 4 b the apparatus according to FIG. 1 , however with a different arrangement of the valve;
- FIGS. 5 a and 5 b the apparatus of FIG. 1 , howeverwith additional venting action;
- FIGS. 6 a and 6 b an embodiment with an alternative venting action
- FIGS. 7 a and 7 b an embodiment with an alternative venting action
- FIGS. 8 a and 8 b an embodiment with an alternative venting action
- FIGS. 9 a to 9 c a further embodiment of the filling apparatus with a different valve arrangement
- FIG. 10 an alternative embodiment in a schematic illustration using a bellows as a flexible separating disk
- FIGS. 11 a to 11 p an illustration of the filling process in sequential steps with the apparatus of FIG. 10 ;
- FIGS. 12 a and 12 b an alternative embodiment of the apparatus of FIG. 10 with a modification of the valve arrangement
- FIGS. 13 a to 13 c an alternative embodiment of the apparatus of FIG. 10 with a modification of the valve arrangement
- FIGS. 14 a to 14 e a further embodiment in a schematic illustration using a bellows with spiral spring as a flexible separating disk.
- the filling apparatus of FIG. 1 for filling a container 1 in the form of a can has a vertical tube 2 .
- a flexible separating disk 3 of rubber or plastic material is arranged seal-tightly, for example, on a circumferentially extending annular flange of the tube 2 .
- a valve 4 is provided.
- the latter is comprised of a valve rod that is coaxial to the tube 2 and has a valve plate at its lower end.
- the tube 2 with its flexible separating disk 3 is moved vertically in downward direction.
- the separating disk 3 bends upwardly in the peripheral area as a result of the smaller opening diameter of the container 1 wherein between the peripheral rim of the separating disk 3 and the inner wall surface of the container 1 a sealing action is realized ( FIG. 2 a ).
- the tube 2 with its separating disk 3 is moved farther downward ( FIG. 2 b ) until it meets the bottom ( FIG. 2 c ).
- the air contained in the intermediate space between the separating disk 3 and the bottom of the container 1 flows out laterally between the peripheral rim of the separating disk 3 and the inner wall surface of the container 1 .
- FIGS. 3 a and 3 b differs from the preceding embodiment in that the flexible separating disk 3 has such a profile that it is matched to the bottom profile shape of the container 1 . Otherwise, the process sequence is identical.
- FIGS. 4 a and 4 b differs from the embodiment of FIG. 1 in that here the valve 4 is not moved for opening with its valve plate in the downward but instead moved in the upward direction for opening.
- the lower end of the tube 2 has an appropriate sealing flange.
- FIGS. 5 a and 5 b The embodiment according to FIGS. 5 a and 5 b is based on the embodiment of FIG. 1 .
- the difference resides in that in addition a venting opening 5 is provided.
- the latter is created by means of a cylinder that is vertically movable relative to the tube 2 and upon downward movement releases the venting openings 5 .
- FIGS. 6 a and 6 b The embodiment of FIGS. 6 a and 6 b is based on the preceding embodiment of FIGS. 5 a and 5 b .
- venting openings 5 are also provided. They are closed and opened by means of the afore described cylinder.
- the cylinder is however movable in upward direction for opening.
- valve rod is embodied as a tube.
- this valve rod tube there is a closing element, spherical in the illustrated embodiment, located at the end of a rod. The closing element is moved for opening of the venting opening 5 in downward direction.
- FIGS. 8 a and 8 b differs from the afore described embodiment only in that the closure ball for opening the venting opening 5 is moved upwardly.
- FIGS. 9 a to 9 c shows an alternative embodiment of the valve. It is formed by a float member. It floats on the liquid to be filled in. Depending on the filling level, this float member is seal-tightly resting on the lower circumferential flange ( FIG. 9 a ) or it is seal-tightly forced by the buoyance against the upper annular flange ( FIG. 9 c ). The central position of the float member is illustrated in FIG. 9 b.
- FIG. 10 differs from the preceding embodiments in regard to the configuration of the separating disk 3 .
- the separating disk is a bellows.
- the latter is substantially of an annular configuration and is located on a rigid disk which is arranged on the lower end of the tube 2 .
- the annular or hose-type bellows is arranged on this peripheral rim of the rigid disk.
- the initial position is illustrated in FIG. 11 a .
- the tube 2 with its separating disk 3 in the form of a bellows is located above the opening of the container 1 .
- the bellows is in its contracted position, i.e., has its minimal diameter.
- the tube 2 with the bellows is moved in downward direction.
- the diameter of the bellows in this context is such that it is smaller than the opening diameter of the container 1 . Therefore, there is no contact taking place ( FIG. 11 b ).
- the filling apparatus is moved farther downwardly ( FIGS. 11 c to 11 e ) until the separating disk 3 in the form of the bellows contacts the bottom of the container 1 ( FIG. 11 f ). This is the starting position for the actual filling process.
- the bellows is expanded so that it contacts seal-tightly the inner wall surface of the container 1 ( FIGS. 11 g and 11 h ).
- the tube 2 is moved upwardly.
- the valve 4 that has been closed up to this point is now opened ( 11 i ).
- the liquid flows through the tube 2 in downward direction and exits from the tube opening.
- the liquid fills the hollow space that is created by the upward movement of the separating disk 3 .
- the tube 2 with its separating disk 3 is successively moved upwardly and liquid is supplied synchronously ( FIG. 11 j to FIG. 11 l ) until the upper filling level has been reached at which point the valve is closed ( FIG. 11 m ).
- FIGS. 12 a and 12 b show a modified embodiment variant of the embodiment of FIG. 10 .
- the difference resides in that here the valve plate of the valve 4 closes in upward direction and is moved upwardly for opening.
- FIGS. 13 a to 13 c shows again the already described float member as a valve.
- FIGS. 14 a to 14 e The embodiment as illustrated in FIGS. 14 a to 14 e is based on the embodiment of the flexible separating disk 3 as a bellows as has been illustrated in the embodiment of FIG. 10 as well as FIGS. 11 a to 11 p .
- This bellows is substantially of an annular configuration and is located on a rigid disk which is arranged at the lower end of the tube 2 . On this peripheral rim of the rigid disk, the annular or hose-shaped bellows is then arranged.
- a sleeve 6 that is coaxial to the tube 2 the bellows can be expanded or reduced with regard to the diameter. This is achieved in that between the afore described coaxial sleeve 6 and the bellows a spiral spring 7 is arranged as is illustrated in principle in FIG. 14 e.
- the initial position is illustrated in FIG. 14 a .
- the tube 2 with its separating disk 3 in the form of a bellows is located above the opening of the container 1 .
- the bellows is in its retracted position, i.e., has its minimal diameter. This has been achieved in that the inner end of the spiral spring by means of the sleeve 6 has been moved to the right about the center and the outer end in this context is blocked from moving on the circumference (in FIG. 14 e the lower illustration of the spiral spring 7 ).
- the tube 2 with the bellows is moved in downward direction.
- the diameter of the bellows is smaller than the opening diameter of the container 1 . Therefore, no contact takes place ( FIG. 14 b ).
- the filling apparatus is moved father in downward direction until the separating disk 3 in the form of the bellows contacts the bottom of the container 1 .
- the bellows is expanded so that it contacts seal-tightly the inner wall surface of the container 1 ( FIG. 14 c ).
- the tube 2 can now be moved in upward direction for the filling process ( FIG. 14 d ).
- the valve that has been closed up to this point is no opened.
- the liquid flows through the tube 2 in downward direction and exits atthe lower tube opening.
- the liquid fills the hollow space that is created by the upward movement of the separating disk.
- the tube 2 with its separating disk 3 is successively moved upwardly and the liquid is synchronously supplied until the upper filling level is reached. The valve is then closed.
- the bellows of the separating disk 3 is then returned by rotation of the sleeve 6 to its minimal diameter (in accordance with FIG. 14 a ) so that the tube 2 with its separating disk 3 can be moved completely out of the container 1 without a contact with the opening edge of the container 1 occurring.
Abstract
An apparatus for filling a container (1) with a liquid which is intended, in particular, for consumption has a tube (2) for feeding the liquid. This tube has a flexible separating plate (3) at the lower end. The tube (2) with its separating plate (3), prior to the filling operation, is lowered onto the base of the container (1) and then is moved upwards, with the liquid being fed at the same time.
Description
- The invention concerns an apparatus for filling a container with a liquid intended, in particular, for consumption, according to the preamble of
claim 1. - The filling apparatus according to the invention is in particular intended and conceived for cylindrical containers that have in comparison to the diameter of the container a very large opening. This means that the diameter of the opening is within the range of magnitude of the diameter of the container. In particular, the apparatus according to the invention is intended for filling cans or so-called wide-neck bottles.
- For filling a container with a liquid intended, in particular, for consumption, in particular beverages, the liquid is supplied to the container e.g. by means of a supply tube. The problem in this context is that the liquid is exposed to ambient air or other gas with the result of undesirable gas release, gas exchange or gas introduction.
- Based on this, the object of the invention is therefore to develop an apparatus for filling a container with a liquid intended, in particular, for consumption without the liquid coming into contact with an ambient gas, in particular, ambient air.
- The technical solution is characterized by the features of the characterizing portion of
claim 1. - In this way, an effective apparatus is provided for filling, without contact with a gas, of a container with a liquid intended, in particular, for consumption. The apparatus is distinguished in that the liquid during the filling process does not come into contact with ambient gas, in particular, ambient air. The advantage of this device resides thus in that the liquid upon filling of the container is not subject to any gas release, gas exchange or gas introduction. Performing the filling method with the filling apparatus provides that into the container, in the most general sense, a kind of piston is inserted. This piston is comprised of a vertical tube through which, in the end, the liquid to be filled in is passed. The lower end of this tube has a flexible separating disk. It is attached inwardly seal-tightly to the tube. During the supply of the liquid, the flexible separating disk is contacting with the peripheral area the inner wall surface of the container to be filled. This means that the separating disk divides the container into two areas, i.e., an area above the separating disk which is in communication with the ambient air as well as a lower area which is completely separated during the filling process from ambient air. This is so because this lower area is delimited by the flexible separating disk, moreover by the bottom of the container as well as, finally, by the inner wall surface of container. The flexible separating disk is to be understood in the most general sense. In principle, it is a flexible structure which, as described above, divides the interior of the container during the filling process into two different areas in a seal-tight way. In this context, when the flexible separating disk is in its lower position, no air (or essentially no air) is located between the separating disk and the bottom of the container. Subsequently, the piston is moved upwardly. At the same time, the valve is opened so that liquid can flow from the tube into the container. In this context, this liquid fills exactly the space which is created upon the upward movement of the vertical tube as well as of the flexible separating disk. Accordingly, the liquid space is hermetically sealed from the air positioned above by the flexible separating disk so that the liquid cannot come into contact with the ambient air. After completion of the filling process, the afore described piston can then be completely pulled out of the container. The opening of the container can then be closed. For example, a lid is attached to the can.
- According to the embodiment of
claim 2, the diameter of the flexible separating disk is larger than the inner diameter of the container. In this way, an absolutely seal-tight closure between the peripheral rim of the flexible separating disk and the inner wall surface of the container is provided. As a result of the flexibility, the separating disk, after the downward stroke of the piston, also has the possibility during the subsequent upward movement during the filling process to fold over while a sealing action is ensured still. - According to the embodiment of
claim 3, during the downward movement of the tube (after the afore described piston has been first introduced into the container before initiating the filling process), the flexible separating disk is resting with its peripheral rim on the inner wall surface of the container. As a result of the flexibility of the separating disk, the air can escape upwardly between the peripheral rim of the flexible separating disk and the inner wall surface of the container. Because of its flexibility, the separating disk can bend accordingly so that air contained in the container can laterally flow past it. - As an alternative to this, it is proposed according to
daim 4 that upon downward movement of the tube the diameter of the flexible separating disk is smallerthan the inner diameter of the container. This means that during the downward movement of the tube the separating disk is moved in downward direction to the bottom of the container without contacting the inner wall of the container. In the bottom area, the diameter of the flexible separating disk must then be enlarged in such a way that it seal-tightly contacts the inner wall of the container for the subsequent filling process. - The embodiment according to
claim 5 proposes that the flexible separating disk is matched to the bottom profile of the container. This means that the residual air between the separating disk and the bottom of the container is reduced to a minimum. - According to the embodiment of
claim 6, the flexible separating disk can be designed as a substantially flat single-layer body. - The embodiment according to
claim 7 proposes that the diameter of the flexible separating disk can be adjusted. This means that, before introduction of the separating disk into the container, this separating disk has a smaller diameter than the diameter of the opening of the container as well as the inner diameter of the container in the filling area. This has the advantage that the separating disk can be introduced without problem into the opening of the container without it contacting the circumferential rim of this opening. Primarily, however, the peripheral rim of the separating disk upon downward stroke does not contact the inner wall of the container. Only in the lowerposition, when the separating disk is thus resting on the bottom of the container, the diameter is enlarged again such that the peripheral surface of the separating disk is resting seal-tightly on the inner wall surface of the container. After completion of filling, the diameter of the separating disk can be reduced again so that the separating disk will not contact the inner circumferential edge of the opening. - According to the embodiment thereof in claim 8, the flexible separating disk is embodied as a bellows. This bellows can be at least of a two-layer configuration. Such a bellows has the advantage that the diameter can be changed in a technically simple way. When the bellows is e.g. is lengthened, its diameter is reduced with the advantage that it can be inserted into the opening of the container or can be pulled out of the opening of the container without it contacting the circumferential edge of the opening.
- For changing the diameter of the separating disk, the embodiment according to claim 9 proposes a spiral spring. The latter is arranged concentrically about the tube. The outer end of this spiral spring is secured in the outer area of the separating disk that is adjustable with regard to its diameter. The inner end of the spiral spring is arranged in the central area of the system and, primarily, is rotatable relative to the axis of the tube. For example, this inner end of the spiral spring can be secured on a sleeve-like tube which is concentrically arranged on the tube for supplying the liquid. When, depending on the rotational direction, the inner end of the spiral spring is thus rotated, the separating disk is enlarged with regard to its diameter and, in reverse rotational direction, is reduced. Accordingly, this spiral spring is used as an active element in order to adjust the flexible separating disk or the bellows in its diameter. In principle, this spiral spring enables to even better tension the flexible separating disk or the bellows. In this way, an improved sealing action relative to the inner wall surface of the container is provided. Moreover, by means of the spiral shape of the spring the contact pressure is distributed uniformly from the interior to the exterior in radial direction.
- As an alternative to this, it is proposed according to claim 10 that, for adjusting its diameter, the flexible separating disk is loaded pneumatically or hydraulically with overpressure or underpressure. This means that a medium is supplied to the hollow space that is enclosed by the flexible separating disk for enlarging the diameter, or the medium is removed for reducing the diameter. As a supply device or removal device for the medium, preferably an intermediate space between the central tube for the liquid and an outer tube that concentrically surrounds this tube is used. This intermediate space opens in a seal-tight way into the afore described hollow space.
- The embodiment according to claim 11 proposes a valve of a special design. It is embodied in the form of a valve plate which is arranged at a lower end of a valve rod. This valve rod extends through the tube. The valve plate can be moved in order to open the opening, depending on the configuration, either in downward or upward direction, depending on where the correlated contact flange of the tube is positioned.
- As an alternative, according to the embodiment of claim 12, a float member can be provided as a valve which is disposed at the lower end of the tube.
- Finally, according to the embodiment of claim 13, in the area of the lower opening of the tube at least one openable as well as closable venting opening can be provided. This venting opening is opened when after filling of the container the filling apparatus is pulled out of the container in upward direction. By opening the venting opening, an underpressure cannot be produced. Likewise, upon introducing the tube into the container, the venting opening can be open in order to accelerate in this way the escape of the air that is contained in the container. In any case, the venting opening is closed when liquid is filled into the container.
- Embodiments of an apparatus for filling a container in the form of a can with a liquid intended, in particular, for consumption will be explained in the following with the aid of the drawings. They show in:
-
FIG. 1 a first embodiment in a schematic illustration; -
FIGS. 2 a to 2 k an illustration of the filling process in sequential steps with the apparatus ofFIG. 1 ; -
FIGS. 3 a and 3 b a modified embodiment of the filling apparatus with regard to profiling of the lower flexible separating disk; -
FIGS. 4 a and 4 b the apparatus according toFIG. 1 , however with a different arrangement of the valve; -
FIGS. 5 a and 5 b the apparatus ofFIG. 1 , howeverwith additional venting action; -
FIGS. 6 a and 6 b an embodiment with an alternative venting action; -
FIGS. 7 a and 7 b an embodiment with an alternative venting action; -
FIGS. 8 a and 8 b an embodiment with an alternative venting action; -
FIGS. 9 a to 9 c a further embodiment of the filling apparatus with a different valve arrangement; -
FIG. 10 an alternative embodiment in a schematic illustration using a bellows as a flexible separating disk; -
FIGS. 11 a to 11 p an illustration of the filling process in sequential steps with the apparatus ofFIG. 10 ; -
FIGS. 12 a and 12 b an alternative embodiment of the apparatus ofFIG. 10 with a modification of the valve arrangement; -
FIGS. 13 a to 13 c an alternative embodiment of the apparatus ofFIG. 10 with a modification of the valve arrangement; -
FIGS. 14 a to 14 e a further embodiment in a schematic illustration using a bellows with spiral spring as a flexible separating disk. - The filling apparatus of
FIG. 1 for filling acontainer 1 in the form of a can has avertical tube 2. In the area of the lower opening of this tube 2 aflexible separating disk 3 of rubber or plastic material is arranged seal-tightly, for example, on a circumferentially extending annular flange of thetube 2. Moreover, avalve 4 is provided. The latter is comprised of a valve rod that is coaxial to thetube 2 and has a valve plate at its lower end. - The function is as follows (compare
FIGS. 2 a to 2 j): - Starting from the initial position as illustrated in
FIG. 1 , thetube 2 with itsflexible separating disk 3 is moved vertically in downward direction. As a result of its flexibility, theseparating disk 3 bends upwardly in the peripheral area as a result of the smaller opening diameter of thecontainer 1 wherein between the peripheral rim of theseparating disk 3 and the inner wall surface of the container 1 a sealing action is realized (FIG. 2 a). Subsequently, thetube 2 with itsseparating disk 3 is moved farther downward (FIG. 2 b) until it meets the bottom (FIG. 2 c). During the downward movement, the air contained in the intermediate space between theseparating disk 3 and the bottom of thecontainer 1 flows out laterally between the peripheral rim of theseparating disk 3 and the inner wall surface of thecontainer 1. - Starting from this lower position (
FIG. 2 c), thetube 2 with theseparating disk 3 is then moved upwardly. In doing so, theseparating disk 3 essentially folds over wherein the seal-tightness is maintained (FIG. 2 d). While up to now thevalve 4 has always been closed, it is now opened in that the valve rod with the valve plate is moved downwardly (FIG. 2 e). In this position, liquid can now be supplied through thetube 2. The liquid escapes from the lower opening of thetube 2 and collects at the bottom of thecontainer 1. In this context, the hollow space that is being generated is completely filled by the liquid. Thetube 2 with itsseparating disk 3 is moved farther upwardly (FIG. 2 f) until it has reached the opening area of the container 1 (FIG. 2 g). After the desired filling level has been reached, thevalve 4 is closed (FIG. 2 h), thetube 2 with itsseparating disk 3 is moved farther upwardly (FIG. 2 i andFIG. 2 j) until it is completely pulled out of the container 1 (FIG. 2 k). The filling process is thus completed and a new filling process can be started. - The embodiment according to
FIGS. 3 a and 3 b differs from the preceding embodiment in that theflexible separating disk 3 has such a profile that it is matched to the bottom profile shape of thecontainer 1. Otherwise, the process sequence is identical. - The embodiment according to
FIGS. 4 a and 4 b differs from the embodiment ofFIG. 1 in that here thevalve 4 is not moved for opening with its valve plate in the downward but instead moved in the upward direction for opening. Forthis purpose, the lower end of thetube 2 has an appropriate sealing flange. - The embodiment according to
FIGS. 5 a and 5 b is based on the embodiment ofFIG. 1 . The difference resides in that in addition aventing opening 5 is provided. The latter is created by means of a cylinder that is vertically movable relative to thetube 2 and upon downward movement releases theventing openings 5. - The embodiment of
FIGS. 6 a and 6 b is based on the preceding embodiment ofFIGS. 5 a and 5 b. Here, ventingopenings 5 are also provided. They are closed and opened by means of the afore described cylinder. Here, the cylinder is however movable in upward direction for opening. - The embodiment according to
FIGS. 7 a and 7 b has also aventing opening 5. It is formed in that the valve rod is embodied as a tube. In this valve rod tube there is a closing element, spherical in the illustrated embodiment, located at the end of a rod. The closing element is moved for opening of theventing opening 5 in downward direction. - The embodiment in
FIGS. 8 a and 8 b differs from the afore described embodiment only in that the closure ball for opening theventing opening 5 is moved upwardly. - The embodiment of
FIGS. 9 a to 9 c shows an alternative embodiment of the valve. It is formed by a float member. It floats on the liquid to be filled in. Depending on the filling level, this float member is seal-tightly resting on the lower circumferential flange (FIG. 9 a) or it is seal-tightly forced by the buoyance against the upper annular flange (FIG. 9 c). The central position of the float member is illustrated inFIG. 9 b. - The embodiment of
FIG. 10 differs from the preceding embodiments in regard to the configuration of theseparating disk 3. While before theseparating disk 3 has been provided as a flat flexible structure, now the separating disk is a bellows. The latter is substantially of an annular configuration and is located on a rigid disk which is arranged on the lower end of thetube 2. On this peripheral rim of the rigid disk the annular or hose-type bellows is arranged. By means of a sleeve that is coaxial to thetube 2 the bellows can be moved downwardly and in this way an expansion can be caused. - The function is as follows (compare
FIGS. 11 a to 11 p): - The initial position is illustrated in
FIG. 11 a. Thetube 2 with itsseparating disk 3 in the form of a bellows is located above the opening of thecontainer 1. The bellows is in its contracted position, i.e., has its minimal diameter. - For starting the filling process, the
tube 2 with the bellows is moved in downward direction. The diameter of the bellows in this context is such that it is smaller than the opening diameter of thecontainer 1. Therefore, there is no contact taking place (FIG. 11 b). - The filling apparatus is moved farther downwardly (
FIGS. 11 c to 11 e) until theseparating disk 3 in the form of the bellows contacts the bottom of the container 1 (FIG. 11 f). This is the starting position for the actual filling process. - In this context, first the bellows is expanded so that it contacts seal-tightly the inner wall surface of the container 1 (
FIGS. 11 g and 11 h). - Subsequently, the
tube 2 is moved upwardly. Thevalve 4 that has been closed up to this point is now opened (11 i). The liquid flows through thetube 2 in downward direction and exits from the tube opening. In this context, the liquid fills the hollow space that is created by the upward movement of theseparating disk 3. Thetube 2 with itsseparating disk 3 is successively moved upwardly and liquid is supplied synchronously (FIG. 11 j toFIG. 11 l) until the upper filling level has been reached at which point the valve is closed (FIG. 11 m). - In this position, the bellows of the
separating disk 3 is retracted (FIG. 11 n) so that thetube 2 with itsseparating disk 3 can be moved completely out of thecontainer 1 without there being a contact with the opening edge of thecontainer 1 taking place (FIG. 11 o andFIG. 11 p). - In this way, the filling process is completed. A new filling process can be started.
-
FIGS. 12 a and 12 b show a modified embodiment variant of the embodiment ofFIG. 10 . The difference resides in that here the valve plate of thevalve 4 closes in upward direction and is moved upwardly for opening. - The embodiment variant in
FIGS. 13 a to 13 c shows again the already described float member as a valve. - The embodiment as illustrated in
FIGS. 14 a to 14 e is based on the embodiment of theflexible separating disk 3 as a bellows as has been illustrated in the embodiment ofFIG. 10 as well asFIGS. 11 a to 11 p. This bellows is substantially of an annular configuration and is located on a rigid disk which is arranged at the lower end of thetube 2. On this peripheral rim of the rigid disk, the annular or hose-shaped bellows is then arranged. By means of asleeve 6 that is coaxial to thetube 2 the bellows can be expanded or reduced with regard to the diameter. This is achieved in that between the afore describedcoaxial sleeve 6 and the bellows aspiral spring 7 is arranged as is illustrated in principle inFIG. 14 e. - The function is as follows:
- The initial position is illustrated in
FIG. 14 a. Thetube 2 with itsseparating disk 3 in the form of a bellows is located above the opening of thecontainer 1. The bellows is in its retracted position, i.e., has its minimal diameter. This has been achieved in that the inner end of the spiral spring by means of thesleeve 6 has been moved to the right about the center and the outer end in this context is blocked from moving on the circumference (inFIG. 14 e the lower illustration of the spiral spring 7). - For initiating the filling process, the
tube 2 with the bellows is moved in downward direction. In this context, the diameter of the bellows is smaller than the opening diameter of thecontainer 1. Therefore, no contact takes place (FIG. 14 b). - The filling apparatus is moved father in downward direction until the
separating disk 3 in the form of the bellows contacts the bottom of thecontainer 1. In this position, the bellows is expanded so that it contacts seal-tightly the inner wall surface of the container 1 (FIG. 14 c). This is achieved in that the diameter of the bellows is enlarged and a radially uniformly distributed contact pressure for increasing the sealing action is generated in that the inner end of thespiral spring 7 is moved to the left about the center and the outer end is blocked from moving freely on the circumference (inFIG. 14 e the upper illustration of the spiral spring 7). - In this position, the
tube 2 can now be moved in upward direction for the filling process (FIG. 14 d). The valve that has been closed up to this point is no opened. The liquid flows through thetube 2 in downward direction and exits atthe lower tube opening. In this context, the liquid fills the hollow space that is created by the upward movement of the separating disk. Thetube 2 with itsseparating disk 3 is successively moved upwardly and the liquid is synchronously supplied until the upper filling level is reached. The valve is then closed. - In this position, the bellows of the
separating disk 3 is then returned by rotation of thesleeve 6 to its minimal diameter (in accordance withFIG. 14 a) so that thetube 2 with itsseparating disk 3 can be moved completely out of thecontainer 1 without a contact with the opening edge of thecontainer 1 occurring. - In this way, the filling process is completed. A new filling process can be started.
- 1 container
2 tube
3 separating disk
4 valve
5 venting opening
6 sleeve
7 spiral spring
Claims (14)
1.-13. (canceled)
14. An apparatus for filling a container with a liquid, the apparatus comprising:
a vertical tube having an opening at a bottom end;
a valve arranged at the vertical tube and adapted to open and close the opening at the bottom end;
wherein the tube is insertable into a container that is open at the top during a filling process and wherein the tube supplies a liquid to the containerthrough the opening at the bottom end;
a flexible separating disk disposed at the bottom end of the tube and extending in a radial direction of the tube;
wherein the tube together with the flexible separating disk is adapted to be moved in a downward direction to a bottom of the container such that air that is located between the separating disk and the bottom of the container upon downward movement of the tube can flow out between a peripheral rim of the separating disk and an inner wall surface of the container and, in a lower end position of the tube, the flexible separating disk is resting on the bottom of the container;
wherein the tube together with the flexible separating disk is further adapted to be moved, beginning with the lower end position of the tube, in an upward direction so that, between the flexible separating disk and the bottom of the container, a space is formed during the upward movement and is enlarged as the upward movement progresses, wherein into the enlarging space the tube simultaneous with the upward movement supplies a liquid through the opening at the bottom end of the tube that is opened by the valve;
wherein upon reaching a targeted filling level of the liquid in the container, the valve is closed and the tube with the flexible separating disk is pulled out of the container.
15. The apparatus according to claim 14 , wherein during the upward movement of the tube a diameter of the flexible separating disk is greater than an inner diameter of the container.
16. The apparatus according to claim 14 , wherein during the downward movement of the tube a peripheral rim of the flexible separating disk contacts the inner wall surface of the container but air located between the flexible separating disk and the bottom of the container still escapes between the peripheral rim and the inner wall surface of the container.
17. The apparatus according to claim 14 , wherein during the downward movement of the tube a diameter of the flexible separating disk is smaller than an inner diameter of the container.
18. The apparatus according to claim 14 , wherein the flexible separating disk is matched to a bottom profile of the bottom of the container.
19. The apparatus according to claim 14 , wherein the flexible separating disk is embodied as a flat body.
20. The apparatus according to claim 14 , wherein a diameter of the flexible separating disk is adjustable.
21. The apparatus according to claim 20 , wherein the flexible separating disk is embodied as a bellows having an adjustable diameter.
22. The apparatus according to claim 20 , wherein, for adjusting the diameter of the flexible separating disk, a spiral spring is provided that is concentric to the tube, wherein the spiral spring has an inner end arranged in an inner area of the separating disk so as to be concentrically rotatable relative to an axis of the tube, and wherein the spiral spring has an outer end that is secured on an outer area of the separating disk.
23. The apparatus according to claim 20 , wherein the flexible separating disk is adapted to be pneumatically or hydraulically loaded with overpressure or underpressure for adjusting the diameter.
24. The apparatus according to claim 14 , wherein the valve comprises a valve rod and a horizontal valve plate connected to the valve rod, wherein the valve rod is vertically movable within the tube.
25. The apparatus according to claim 14 , wherein the valve has a float member provided at the lower end of the tube.
26. The apparatus according to claim 14 , wherein, near the opening at the bottom end of the tube, at least one venting opening is provided that is adapted to be opened and closed.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011103876A DE102011103876B3 (en) | 2011-06-10 | 2011-06-10 | Device for filling cans with beverage, has circular saw with peripheral edge lying at inner cover surface of container, where air is blown provided between circular saw and bottom of container in downward motion |
DE102011103876.4 | 2011-06-10 | ||
PCT/DE2012/000475 WO2012167764A1 (en) | 2011-06-10 | 2012-05-09 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2012/000475 A-371-Of-International WO2012167764A1 (en) | 2011-06-10 | 2012-05-09 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/273,809 Division US10023455B2 (en) | 2011-06-10 | 2016-09-23 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140102586A1 true US20140102586A1 (en) | 2014-04-17 |
Family
ID=45756394
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/884,301 Abandoned US20140102586A1 (en) | 2011-06-10 | 2012-05-09 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
US15/273,809 Expired - Fee Related US10023455B2 (en) | 2011-06-10 | 2016-09-23 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/273,809 Expired - Fee Related US10023455B2 (en) | 2011-06-10 | 2016-09-23 | Apparatus for filling a container with a liquid which is intended, in particular, for consumption |
Country Status (8)
Country | Link |
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US (2) | US20140102586A1 (en) |
EP (1) | EP2635520B1 (en) |
JP (1) | JP5829332B2 (en) |
CN (1) | CN103582606B (en) |
AU (1) | AU2012266968B2 (en) |
DE (1) | DE102011103876B3 (en) |
ES (1) | ES2536700T3 (en) |
WO (1) | WO2012167764A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUE049288T2 (en) * | 2017-01-05 | 2020-09-28 | Leibinger Gmbh | Filling assembly and method for filling cylindrical containers |
CN107555382A (en) * | 2017-10-17 | 2018-01-09 | 新乡市恒星科技有限责任公司 | A kind of measured lubrication fat bottle filling device |
CN112456423A (en) * | 2020-12-24 | 2021-03-09 | 苏州恒燚惠科技有限公司 | Rotary type canning equipment |
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2011
- 2011-06-10 DE DE102011103876A patent/DE102011103876B3/en not_active Expired - Fee Related
-
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- 2012-05-09 CN CN201280027358.2A patent/CN103582606B/en not_active Expired - Fee Related
- 2012-05-09 WO PCT/DE2012/000475 patent/WO2012167764A1/en active Application Filing
- 2012-05-09 US US13/884,301 patent/US20140102586A1/en not_active Abandoned
- 2012-05-09 JP JP2014513912A patent/JP5829332B2/en not_active Expired - Fee Related
- 2012-05-09 EP EP12727263.1A patent/EP2635520B1/en not_active Not-in-force
- 2012-05-09 AU AU2012266968A patent/AU2012266968B2/en not_active Ceased
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2016
- 2016-09-23 US US15/273,809 patent/US10023455B2/en not_active Expired - Fee Related
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US494979A (en) * | 1893-04-04 | Lead-packer | ||
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Also Published As
Publication number | Publication date |
---|---|
DE102011103876B3 (en) | 2012-03-15 |
US10023455B2 (en) | 2018-07-17 |
JP5829332B2 (en) | 2015-12-09 |
EP2635520A1 (en) | 2013-09-11 |
AU2012266968A1 (en) | 2013-12-19 |
JP2014516015A (en) | 2014-07-07 |
CN103582606A (en) | 2014-02-12 |
AU2012266968B2 (en) | 2015-11-26 |
ES2536700T3 (en) | 2015-05-27 |
CN103582606B (en) | 2015-06-17 |
EP2635520B1 (en) | 2015-02-18 |
WO2012167764A1 (en) | 2012-12-13 |
US20170029258A1 (en) | 2017-02-02 |
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Owner name: LEIBINGER GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEIBINGER, BENEDIKT;REEL/FRAME:030381/0571 Effective date: 20130404 |
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