EP1888408B1 - Device for filling a container of collapsible type - Google Patents
Device for filling a container of collapsible type Download PDFInfo
- Publication number
- EP1888408B1 EP1888408B1 EP06747844.6A EP06747844A EP1888408B1 EP 1888408 B1 EP1888408 B1 EP 1888408B1 EP 06747844 A EP06747844 A EP 06747844A EP 1888408 B1 EP1888408 B1 EP 1888408B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filling
- end element
- container
- end portion
- duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001419 dependent effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000005871 repellent Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005429 filling process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Images
Classifications
-
- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/17—Methods of, or means for, filling the material into the containers or receptacles for filling valve bags
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
- B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers
- B65B39/08—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers by means of clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/06—Bags or like containers made of paper and having structural provision for thickness of contents with rigid end walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/008—Standing pouches, i.e. "Standbeutel"
Definitions
- the present invention relates to a device for filling a container of a collapsible type with a product in the form of powder or liquid, and more specifically such a device which comprises a filling tube with an end portion, which is insertable into a filling duct of the container to supply a product to the compartment of the container through said filling tube.
- One type of container is collapsible and comprises two flexible side walls and a bottom wall, which walls are interconnected along a connecting portion to form a compartment whose volume is dependent on the relative position of the walls.
- This type of container can, before filling, be in a plane and sealed state. This makes it possible to sterilise the compartment of the container in connection with manufacture and, with maintained sterility, distribute the container to a filling plant, such as a dairy.
- a container of the type described above is known from WO99/41155 which also discloses a device for filling the container.
- Said device comprises a nozzle which is insertable into a filling duct of the container, said filling duct being opened by cutting or a similar operation in connection with filling of the container.
- said nozzle is thus inserted into the filling duct, after which a product valve is opened to supply the desired product quantity to the compartment of the container through said nozzle.
- the compartment will then take a volume which substantially corresponds to the volume of the supplied product. The filling process ensures that penetration of air into the compartment is prevented or at least minimised.
- the filling device disclosed in WO99/4115 comprises more specifically a nozzle which is made of an elastic material, such as silicone rubber.
- the nozzle has an end portion which tapers towards an outlet in the form a gap in the lower end surface of the end portion.
- the nozzle is self-closing, which means that the edge portions which define said gap engage each other in the absence of application of outer forces.
- the nozzle is, as mentioned above, inserted into the filling duct of the container, after which the product is supplied to the compartment through said nozzle.
- the product pressure will act to open the nozzle and at the same time to establish a seal between the nozzle and the walls of the filling duct to ensure that air does not penetrate into the container.
- Faster filling can be achieved with an increased product flow velocity, which results in a higher product pressure. It has been found that an increased product pressure may in some cases result in the product being pressed out of the compartment of the container between the nozzle and the walls of the filling duct. For obvious reasons, this causes problems in maintaining a hygienic environment in the filling device.
- a device for filling a container of a collapsible type with a product in the form of powder or liquid, said container having a compartment which is defined by flexible walls and whose volume is dependent on the relative position of the walls and which communicates with the surroundings through a filing duct of the container.
- the device comprises a filling tube with an end portion, which is insertable into said filling duct of the container to supply a product to the compartment of the container through said filling tube.
- the device is characterised by an end element, which is arranged in an outlet of the end portion and which is movable between a first position, in which the end element sealingly connects to said outlet, and a second position, in which the end element together with the outlet defines a filling passage, and a squeezing means, which is adapted to grasp the end portion and the filling duct when said end portion is inserted into said filling duct to establish a seal between the end portion and the filling duct.
- the inventive device ensures that a container of a collapsible type can be filled in a short time without the risk of the product escaping from the container.
- the filling passage is defined by the end element when the end element is in its second position. This makes it possible to provide a relatively large area of the filling passage, which in turn allows a rapid filling process.
- the filling passage can be arranged to have the shape of a circumferential gap.
- the squeezing means ensures that the product cannot escape from the container during said filling process.
- the squeezing means is arranged to grasp the end portion of the filling tube and the filling duct.
- said end element is supported by a piston rod arranged in said filling tube, in which case the end element can be movable between said first and second position by axial displacement of said piston rod.
- a bevel may be arranged adjacent to the connection between said piston rod and said end element. This ensures that the product flowing out of the filling tube through the filling passage is allowed to flow over the end element relatively unimpededly.
- said end element supports an 0-ring, which in the first position of the end element engages the outlet. This ensures that the end element in said first position sealingly connects to the outlet.
- the end element may have a shape tapering from the filling tube. This makes it possible to facilitate the insertion of the end portion of the filling tube into the filling duct of the container.
- the end element may have the shape of a wedge, in which case a base of the end element can be circular or have the shape of a convex lens, also referred to as a convex-convex lens.
- said end portion of the filling tube can be made of a rigid material, such as stainless steel.
- the squeezing means may comprise elastic engaging surfaces which are arranged to grasp said filling duct and said end portion. As a result, the squeezing means can be made to carefully grasp the end portion and the filling duct while at the same time a reliable seal is established.
- said end element has a liquid-repellent surface. This makes it possible to minimise dripping and depositing of product on the walls of the filling duct.
- the present invention relates to a device for filling a container of a collapsible type.
- a container of this type may comprise two opposite side walls and a bottom wall, which walls are interconnected along a connecting portion and define a compartment whose volume is dependent on the relative position of the walls.
- a filling duct of the container which filling duct can be defined by said side walls, makes its compartment communicate with surroundings. In the unfilled state of the container, the filling duct can be sealed, in which case the duct is opened before filling. This makes it possible to ensure in a simple way that containers with sterile compartments are used in the inventive device.
- Fig. 1 illustrates an embodiment of an inventive device 1 for filling the above described container.
- the device 1 comprises as main components a filling tube 2, a squeezing means 3 and an end element 4.
- the filling tube 2 is connected to a source (not shown) for the product that is to be supplied to the container and is terminated with an end portion 5.
- the end portion 5 has an outlet 6.
- the end element 4 is arranged in the outlet 6 of the end portion 5 and is movably arranged between a first position, in which the end element 4 sealingly connects to said outlet 6, as shown in Fig. 1 , and a second position, in which the end element 4 together with said outlet 6 defines a filling passage 7, which is shown in Fig. 3b .
- said filling passage 7 takes the shape of a circumferential gap, but it will be appreciated that other shapes are conceivable.
- the end element 4 supports a seal 8 in the form of an 0-ring. In the first position of the end element 4, said 0-ring engages the outlet 6 of the end portion 5 to ensure that the end element 4 sealingly connects to said outlet 6.
- the end element 4 is supported by a piston rod 9 arranged centrally in said filling tube 2.
- the piston rod 9 is axially movable by means of a suitably designed arrangement, and by moving said piston rod 9 in the axial direction, said end element 4 is thus movable between said first and second position.
- the squeezing means 3 comprises a pair of jaws 10, which are arranged to grasp the end portion 5 of the filling tube 2.
- the end portion 5 of the filling tube 2 is made of a rigid material, such as stainless steel, and the pair of jaws 4 have elastic engaging surfaces 11.
- FIGs 2a and b illustrate the method for filling a container 12.
- a container 12 is first positioned under the inventive device 1.
- the filling duct 13 of the container 12 has been opened by cutting or a similar operation, whereby the compartment of the container 12 communicates with the surroundings through said filling duct 13.
- the positioning of containers can be performed in various ways, for instance by means of an arrangement of laterally movable gripping means, from which the containers are suspended (not shown).
- Fig. 2b the end portion 5 of the filling tube 2 is inserted into the filling duct 13 of the container 12 with the end element 4 in its first position.
- the squeezing means 3 has been activated so that its pair of jaws 10 grasps the end portion 5 and thus also the filling duct 13. Since the end portion 5 of the filling tube 2 is made of a rigid material while the engaging surfaces 11 of the pair of jaws 10 are elastic, a reliable seal is established between said filling duct 13 and said end portion 5, which does not risk damaging the side walls of the container 1, which define said filling duct 13.
- the end element 4 is in its first position when the end portion 5 of the filling tube 2 is inserted into the filling duct 13 of the container 1, which is shown more distinctly in Fig. 3a .
- the end element 4 can be moved to its second position, which is shown in Fig. 3b .
- the product will then flow out of the thus defined filling passage 7 and into the compartment of the container 12.
- the compartment of the container 12 will be expanded in response to the entering product like a balloon which is being inflated.
- the seal provided by the squeezing means 3 ensures that products cannot be pressed out of the container 12 between the filling duct 13 and the end portion 5 of the filling tube 2.
- the filling process is terminated by the end element 4 again being moved to its first position, after which the pair of jaws 10 of the squeezing means 3 is opened and the end portion 5 is pulled out of the filling duct 13 of the container 12. Subsequently the filling duct 13 can be sealed in a suitable manner, for instance by a heat sealing process.
- the time required for filling a container 12 with the product in question is dependent on the flow velocity of the product and also the area of the filling passage 7. Since the end element 4 is movable between said first and second position, said area can be adjusted as desired, by moving the end element 4 to a suitable position between said first and second position.
- the inventive device 1 makes it possible to provide a relatively large area of the filling passage 7, which for obvious reasons has a positive effect on the filling time of a container 1.
- the squeezing means 3 ensures that the rapid filling of the container 12 can be performed without the product escaping from the compartment of the container 12.
- the end element 4 can be designed in various ways and be given a shape tapering from the filling tube 2 in order to facilitate the insertion of the end portion 5 of the filling tube 2 into the filling duct 13 of the container 12.
- the end element 4 shown in Fig. 1 comprises an upper part 14 and a lower part 15 in the shape of a tapering wedge, which is to be seen more clearly in Fig. 4 .
- the upper part 14 has been given a shape which substantially corresponds to the shape of a convex lens.
- the upper part 14 further has a central through hole 16, which is enclosed by a bevel 17.
- the lower part 15 has the shape of a tapering wedge.
- the upper side of the lower part 15 thus forms a base which has a shape which, similarly to the upper part 14, substantially corresponds to the shape of a convex lens.
- a peripheral groove 18 is formed in the upper side of the lower part.
- a central, threaded non-through hole 19 is formed in said lower part 15.
- the piston rod 9 has a connecting portion 22 provided with a thread 20 and a stop lug 21.
- the connecting portion 22 of the piston rod 9 is inserted through the hole 16 in the upper part 14 until the upper part is made to engage said stop lug 21.
- the connecting portion 22 of the piston rod 9 is screwed into the threaded hole 19 of the lower part 15.
- a seal 8 in the form of an O-ring is arranged in the peripheral groove 18 of the lower part 15, which 0-ring thus will be squeezed against the upper part 14. The 0-ring ensures, as described above, that the end element 4, when in said first position, sealingly connects to the outlet 6 of the end portion 5 of the filling tube 2.
- An end element 4 formed in the manner described above thus has a shape which facilitates the insertion of the end portion 5 of the filling tube 2 into the filling duct 13.
- An opening means (not shown) can be arranged for initial separation of the walls of the filling duct 13. This opening means may comprise suction cups which stick to the respective duct walls, which suction cups are then separated for separation of the duct walls.
- the bevel 17 which encloses the hole 16 formed in the upper part 14 ensures that the product flowing out of the filling tube 2 through the filling passage 7 is allowed to flow over the end element 4 relatively unimpededly. This eliminates, or in any case reduces, the tendency of the product flowing out to impinge on the upper side of the end element and be deflected upwards or sideways.
- the end element 4 may have a liquid-repellent surface. This minimises the risk of dripping and depositing of product on the walls of the filling duct 13 after completion of the filling and removal of the end portion 5 of the filling tube 2 from the filling duct 13 of the container 12. Of course, this helps to maintain good hygienic conditions in connection with the filling process.
- the end element 4 can thus be in the shape of a tapering wedge with a circular base, as illustrated in Fig. 7.
- the round base shape results in the product, when flowing over the end element 4, having a symmetric flow pattern, thereby making it possible to completely eliminate the tendency of the product flowing out to be deflected upwards or sideways.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Basic Packing Technique (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
Description
- The present invention relates to a device for filling a container of a collapsible type with a product in the form of powder or liquid, and more specifically such a device which comprises a filling tube with an end portion, which is insertable into a filling duct of the container to supply a product to the compartment of the container through said filling tube.
- Many different types of container to be filled with products in the form of liquid or powder are currently available.
- One type of container is collapsible and comprises two flexible side walls and a bottom wall, which walls are interconnected along a connecting portion to form a compartment whose volume is dependent on the relative position of the walls.
- This type of container can, before filling, be in a plane and sealed state. This makes it possible to sterilise the compartment of the container in connection with manufacture and, with maintained sterility, distribute the container to a filling plant, such as a dairy.
- A container of the type described above is known from
WO99/41155 - Said device comprises a nozzle which is insertable into a filling duct of the container, said filling duct being opened by cutting or a similar operation in connection with filling of the container.
- During the actual filling process, said nozzle is thus inserted into the filling duct, after which a product valve is opened to supply the desired product quantity to the compartment of the container through said nozzle. The compartment will then take a volume which substantially corresponds to the volume of the supplied product. The filling process ensures that penetration of air into the compartment is prevented or at least minimised.
- The filling device disclosed in
WO99/4115 - The nozzle is self-closing, which means that the edge portions which define said gap engage each other in the absence of application of outer forces.
- During the filling process, the nozzle is, as mentioned above, inserted into the filling duct of the container, after which the product is supplied to the compartment through said nozzle. The product pressure will act to open the nozzle and at the same time to establish a seal between the nozzle and the walls of the filling duct to ensure that air does not penetrate into the container.
- Increasing demands are placed on the efficiency of filling devices of the type described above and, thus, also on the speed at which the device allows filling of an individual container.
- Another relevant filling device is disclosed in
DE 88 05 620 U1 . - Faster filling can be achieved with an increased product flow velocity, which results in a higher product pressure. It has been found that an increased product pressure may in some cases result in the product being pressed out of the compartment of the container between the nozzle and the walls of the filling duct. For obvious reasons, this causes problems in maintaining a hygienic environment in the filling device.
- There is thus a need for a filling device which allows efficient and rational filling of containers of a collapsible type.
- In view of that stated above, it is an object of the present invention to provide a device for filling containers of a collapsible type, which device allows fast filling under hygienic conditions.
- To achieve this object, and also other objects that will be evident from the following description, a device with the features defined in
claim 1 is provided according to the present invention. Embodiments of the device will de defined in claims 2-14. - More specifically, according to the present invention a device is provided for filling a container of a collapsible type with a product in the form of powder or liquid, said container having a compartment which is defined by flexible walls and whose volume is dependent on the relative position of the walls and which communicates with the surroundings through a filing duct of the container. The device comprises a filling tube with an end portion, which is insertable into said filling duct of the container to supply a product to the compartment of the container through said filling tube. The device is characterised by an end element, which is arranged in an outlet of the end portion and which is movable between a first position, in which the end element sealingly connects to said outlet, and a second position, in which the end element together with the outlet defines a filling passage, and a squeezing means, which is adapted to grasp the end portion and the filling duct when said end portion is inserted into said filling duct to establish a seal between the end portion and the filling duct.
- The inventive device ensures that a container of a collapsible type can be filled in a short time without the risk of the product escaping from the container.
- As mentioned above, the filling passage is defined by the end element when the end element is in its second position. This makes it possible to provide a relatively large area of the filling passage, which in turn allows a rapid filling process. The filling passage can be arranged to have the shape of a circumferential gap.
- At the same time the squeezing means ensures that the product cannot escape from the container during said filling process. To this end, the squeezing means is arranged to grasp the end portion of the filling tube and the filling duct.
- In one embodiment, said end element is supported by a piston rod arranged in said filling tube, in which case the end element can be movable between said first and second position by axial displacement of said piston rod. A bevel may be arranged adjacent to the connection between said piston rod and said end element. This ensures that the product flowing out of the filling tube through the filling passage is allowed to flow over the end element relatively unimpededly.
- In another embodiment, said end element supports an 0-ring, which in the first position of the end element engages the outlet. This ensures that the end element in said first position sealingly connects to the outlet.
- In a further embodiment, the end element may have a shape tapering from the filling tube. This makes it possible to facilitate the insertion of the end portion of the filling tube into the filling duct of the container. The end element may have the shape of a wedge, in which case a base of the end element can be circular or have the shape of a convex lens, also referred to as a convex-convex lens.
- In yet another embodiment, said end portion of the filling tube can be made of a rigid material, such as stainless steel. Furthermore the squeezing means may comprise elastic engaging surfaces which are arranged to grasp said filling duct and said end portion. As a result, the squeezing means can be made to carefully grasp the end portion and the filling duct while at the same time a reliable seal is established.
- In a further embodiment, said end element has a liquid-repellent surface. This makes it possible to minimise dripping and depositing of product on the walls of the filling duct.
- Embodiments of the present invention will now be described by way of example with reference to the accompanying drawings.
-
Fig. 1 is a cross-sectional view of an embodiment of an inventive device. -
Figs 2 a-b are schematic perspective views which illustrate a method for filling a container by means of an inventive device. -
Figs 3 a-b are schematic cross-sectional views which illustrate the operation of an end element of the inventive device during the method for filling shown inFigs 2 a-b . -
Fig. 4 is a schematic perspective view of one embodiment of an end element. -
Fig. 5 is a schematic perspective view of another embodiment of an end element. - The present invention relates to a device for filling a container of a collapsible type.
- A container of this type may comprise two opposite side walls and a bottom wall, which walls are interconnected along a connecting portion and define a compartment whose volume is dependent on the relative position of the walls. A filling duct of the container, which filling duct can be defined by said side walls, makes its compartment communicate with surroundings. In the unfilled state of the container, the filling duct can be sealed, in which case the duct is opened before filling. This makes it possible to ensure in a simple way that containers with sterile compartments are used in the inventive device.
-
Fig. 1 , to which reference is now made, illustrates an embodiment of aninventive device 1 for filling the above described container. - The
device 1 comprises as main components afilling tube 2, a squeezing means 3 and anend element 4. - The
filling tube 2 is connected to a source (not shown) for the product that is to be supplied to the container and is terminated with anend portion 5. Theend portion 5 has anoutlet 6. - The
end element 4 is arranged in theoutlet 6 of theend portion 5 and is movably arranged between a first position, in which theend element 4 sealingly connects to saidoutlet 6, as shown inFig. 1 , and a second position, in which theend element 4 together with saidoutlet 6 defines a filling passage 7, which is shown inFig. 3b . In the embodiment shown, said filling passage 7 takes the shape of a circumferential gap, but it will be appreciated that other shapes are conceivable. - The
end element 4 supports aseal 8 in the form of an 0-ring. In the first position of theend element 4, said 0-ring engages theoutlet 6 of theend portion 5 to ensure that theend element 4 sealingly connects to saidoutlet 6. - The
end element 4 is supported by apiston rod 9 arranged centrally in said fillingtube 2. Thepiston rod 9 is axially movable by means of a suitably designed arrangement, and by moving saidpiston rod 9 in the axial direction, saidend element 4 is thus movable between said first and second position. - In the embodiment illustrated, the squeezing
means 3 comprises a pair ofjaws 10, which are arranged to grasp theend portion 5 of the fillingtube 2. - The
end portion 5 of the fillingtube 2 is made of a rigid material, such as stainless steel, and the pair ofjaws 4 have elastic engaging surfaces 11. -
Figs 2a and b , to which reference is now made, illustrate the method for filling acontainer 12. - As shown in
Fig. 2a , acontainer 12 is first positioned under theinventive device 1. The fillingduct 13 of thecontainer 12 has been opened by cutting or a similar operation, whereby the compartment of thecontainer 12 communicates with the surroundings through said fillingduct 13. - The positioning of containers can be performed in various ways, for instance by means of an arrangement of laterally movable gripping means, from which the containers are suspended (not shown).
- In
Fig. 2b , theend portion 5 of the fillingtube 2 is inserted into the fillingduct 13 of thecontainer 12 with theend element 4 in its first position. The squeezing means 3 has been activated so that its pair ofjaws 10 grasps theend portion 5 and thus also the fillingduct 13. Since theend portion 5 of the fillingtube 2 is made of a rigid material while the engagingsurfaces 11 of the pair ofjaws 10 are elastic, a reliable seal is established between said fillingduct 13 and saidend portion 5, which does not risk damaging the side walls of thecontainer 1, which define said fillingduct 13. - As mentioned above, the
end element 4 is in its first position when theend portion 5 of the fillingtube 2 is inserted into the fillingduct 13 of thecontainer 1, which is shown more distinctly inFig. 3a . - When the squeezing
means 3 has been activated so that its pair ofjaws 10 grasps the fillingduct 13 and theend portion 5 of the fillingtube 2, theend element 4 can be moved to its second position, which is shown inFig. 3b . The product will then flow out of the thus defined filling passage 7 and into the compartment of thecontainer 12. During the filling process, the compartment of thecontainer 12 will be expanded in response to the entering product like a balloon which is being inflated. The seal provided by the squeezingmeans 3 ensures that products cannot be pressed out of thecontainer 12 between the fillingduct 13 and theend portion 5 of the fillingtube 2. - The filling process is terminated by the
end element 4 again being moved to its first position, after which the pair ofjaws 10 of the squeezingmeans 3 is opened and theend portion 5 is pulled out of the fillingduct 13 of thecontainer 12. Subsequently the fillingduct 13 can be sealed in a suitable manner, for instance by a heat sealing process. - It will be appreciated that the time required for filling a
container 12 with the product in question is dependent on the flow velocity of the product and also the area of the filling passage 7. Since theend element 4 is movable between said first and second position, said area can be adjusted as desired, by moving theend element 4 to a suitable position between said first and second position. In particular, theinventive device 1 makes it possible to provide a relatively large area of the filling passage 7, which for obvious reasons has a positive effect on the filling time of acontainer 1. In the current context it should be noted that the squeezingmeans 3 ensures that the rapid filling of thecontainer 12 can be performed without the product escaping from the compartment of thecontainer 12. - The
end element 4 can be designed in various ways and be given a shape tapering from the fillingtube 2 in order to facilitate the insertion of theend portion 5 of the fillingtube 2 into the fillingduct 13 of thecontainer 12. - The
end element 4 shown inFig. 1 comprises anupper part 14 and alower part 15 in the shape of a tapering wedge, which is to be seen more clearly inFig. 4 . - The
upper part 14 has been given a shape which substantially corresponds to the shape of a convex lens. Theupper part 14 further has a central throughhole 16, which is enclosed by abevel 17. - As mentioned above, the
lower part 15 has the shape of a tapering wedge. The upper side of thelower part 15 thus forms a base which has a shape which, similarly to theupper part 14, substantially corresponds to the shape of a convex lens. Aperipheral groove 18 is formed in the upper side of the lower part. Finally, a central, threadednon-through hole 19 is formed in saidlower part 15. - The
piston rod 9 has a connectingportion 22 provided with athread 20 and astop lug 21. To connect theend element 4 to thepiston rod 9, the connectingportion 22 of thepiston rod 9 is inserted through thehole 16 in theupper part 14 until the upper part is made to engage saidstop lug 21. Then the connectingportion 22 of thepiston rod 9 is screwed into the threadedhole 19 of thelower part 15. Aseal 8 in the form of an O-ring is arranged in theperipheral groove 18 of thelower part 15, which 0-ring thus will be squeezed against theupper part 14. The 0-ring ensures, as described above, that theend element 4, when in said first position, sealingly connects to theoutlet 6 of theend portion 5 of the fillingtube 2. - An
end element 4 formed in the manner described above thus has a shape which facilitates the insertion of theend portion 5 of the fillingtube 2 into the fillingduct 13. An opening means (not shown) can be arranged for initial separation of the walls of the fillingduct 13. This opening means may comprise suction cups which stick to the respective duct walls, which suction cups are then separated for separation of the duct walls. - The
bevel 17 which encloses thehole 16 formed in theupper part 14 ensures that the product flowing out of the fillingtube 2 through the filling passage 7 is allowed to flow over theend element 4 relatively unimpededly. This eliminates, or in any case reduces, the tendency of the product flowing out to impinge on the upper side of the end element and be deflected upwards or sideways. - It will be appreciated that the present invention is not limited to the shown embodiment.
- For example, the
end element 4 may have a liquid-repellent surface. This minimises the risk of dripping and depositing of product on the walls of the fillingduct 13 after completion of the filling and removal of theend portion 5 of the fillingtube 2 from the fillingduct 13 of thecontainer 12. Of course, this helps to maintain good hygienic conditions in connection with the filling process. - To prevent the product from depositing on the walls of the filling
duct 13 in connection with removal of theend portion 5 of the fillingtube 2, this can alternatively be dimensioned in such a manner relative to the fillingduct 13 that removal of theend portion 5 is allowed without contact with the walls of the fillingduct 13. - It is also conceivable to give the end element 4 a different shape. It can thus be in the shape of a tapering wedge with a circular base, as illustrated in Fig. 7. The round base shape results in the product, when flowing over the
end element 4, having a symmetric flow pattern, thereby making it possible to completely eliminate the tendency of the product flowing out to be deflected upwards or sideways. - Several modifications and variations are thus feasible, which means that the present invention is exclusively defined by the appended claims.
Claims (13)
- A device for filling a container (12) of a collapsible type with a product in the form of powder or liquid, said container (12) having a compartment which is defined by flexible walls and whose volume is dependent on the relative position of the walls and which communicates with the surroundings through a filling duct (13) of the container (12), comprising
a filling tube (2) with an end portion (5), which is insertable into said filling duct (13) of the container (12) to supply a product to the compartment of the container (12) through said filling tube (2),
the device further comprising an end element (4), which is arranged in an outlet (6) of the end portion (5) and which is movable between a first position, in which the end element (4) sealingly connects to said outlet (6), and a second position, in which the end element (4) together with the outlet (6) defines a filling passage (7),
said end portion (5) of the filling tube (2) being made of a rigid material, the device being characterised by a squeezing means (3), which is adapted to grasp the end portion (5) and the filling duct (13) when said end portion (5) is inserted into said filling duct (13) to establish a seal between the end portion (5) and the filling duct (13). - A device as claimed in claim 1, in which said filling passage (7) has the shape of a circumferential gap.
- A device as claimed in claim 1 or 2, in which said end element (4) is supported by a piston rod (9) arranged in said filling tube (2).
- A device as claimed in claim 3, in which the end element (4) is movable between said first and second position by axial movement of said piston rod (9).
- A device as claimed in claim 3 or 4, in which a bevel (17) is arranged adjacent to the connection between said piston rod (9) and said end element (4).
- A device as claimed in any one of the preceding claims, in which said end element (4) supports a seal (8), which when the end element (4) is arranged in said first position engages the outlet (6).
- A device as claimed in any one of the preceding claims, in which the end element (4) has a shape tapering from the filling tube (2).
- A device as claimed in any one of the preceding claims, in which the end element (4) has the shape of a wedge.
- A device as claimed in claim 8, in which the end element (4) has a circular base.
- A device as claimed in claim 8, in which the end element (4) has a base in the shape of a convex lens.
- A device as claimed in claim 11, in which said material is stainless steel.
- A device as claimed in any one of the preceding claims, in which said squeezing means (3) comprises elastic engaging surfaces (11) which are arranged to grasp said filling duct (13) and said end portion (5).
- A device as claimed in any one of the preceding claims, in which said end element (4) has a liquid-repellent surface.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0501320A SE528731C2 (en) | 2005-06-08 | 2005-06-08 | Device for filling a package of collapsing kind |
PCT/SE2006/000650 WO2006132578A1 (en) | 2005-06-08 | 2006-06-02 | Device for filling of a container of collapsible type |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1888408A1 EP1888408A1 (en) | 2008-02-20 |
EP1888408A4 EP1888408A4 (en) | 2014-07-30 |
EP1888408B1 true EP1888408B1 (en) | 2016-03-09 |
Family
ID=37498710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06747844.6A Active EP1888408B1 (en) | 2005-06-08 | 2006-06-02 | Device for filling a container of collapsible type |
Country Status (19)
Country | Link |
---|---|
US (1) | US20090078337A1 (en) |
EP (1) | EP1888408B1 (en) |
JP (1) | JP4890542B2 (en) |
KR (1) | KR101309539B1 (en) |
CN (1) | CN100532203C (en) |
AU (1) | AU2006255845B2 (en) |
BR (1) | BRPI0611180B1 (en) |
CA (1) | CA2610259C (en) |
DK (1) | DK1888408T3 (en) |
EA (1) | EA011536B1 (en) |
ES (1) | ES2573673T3 (en) |
HK (1) | HK1123781A1 (en) |
HU (1) | HUE028776T2 (en) |
MX (1) | MX2007015568A (en) |
NZ (1) | NZ563479A (en) |
PL (1) | PL1888408T3 (en) |
SE (1) | SE528731C2 (en) |
UA (1) | UA91227C2 (en) |
WO (1) | WO2006132578A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE530449C2 (en) * | 2006-10-26 | 2008-06-10 | Ecolean Res & Dev As | Apparatus for filling collapsible packages |
SE534056C2 (en) * | 2008-07-02 | 2011-04-12 | Ecolean Res & Dev As | System for filling packages of collapsing kind |
AU2014233167B2 (en) * | 2013-03-15 | 2017-03-16 | Dr. Py Institute, Llc | Controlled non-classified filling device and method |
ES2678995T3 (en) * | 2015-03-13 | 2018-08-21 | Ecolean Ab | Equipment and method for filling a bag type container |
JP7053456B2 (en) | 2015-09-15 | 2022-04-12 | ドクター ピー インスティチュート エルエルシー | Bulkheads that decontaminate by interacting with intrusive elements |
USD829896S1 (en) | 2015-09-15 | 2018-10-02 | Dr. Py Institute Llc | Septum |
DE102017006886A1 (en) * | 2016-08-26 | 2018-03-01 | Kiefel Gmbh | DEVICE FOR EXTENDING A FILM AND FOR WELDING THE FILM TO A CONNECTING PART THAT HAS A MECHANISM AND PROCESS, METHOD OF PRODUCTION, PLANT AND BAG |
US10837432B1 (en) * | 2019-08-21 | 2020-11-17 | Mike Kaminski | Tabletop inflation system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417445A2 (en) * | 1978-02-15 | 1979-09-14 | Vittel Eaux Min | CONTAINER IN SYNTHETIC, THIN AND FLEXIBLE MATERIAL |
GB2190901B (en) * | 1986-05-29 | 1990-03-28 | Ingerthorpe Holdings Ltd | Dispensing device |
GB8725026D0 (en) * | 1987-10-26 | 1987-12-02 | Elopak As | Valve device |
DE8805620U1 (en) * | 1988-04-28 | 1988-06-09 | "Fix" Peter Steimel GmbH & Co KG, 5202 Hennef | Device for filling a plastic bag |
JPH01294402A (en) * | 1988-05-18 | 1989-11-28 | Fujimori Kogyo Kk | Method of filling effervescent liquid |
JPH0958615A (en) * | 1995-08-25 | 1997-03-04 | Toyo Jidoki Co Ltd | Liquid form article filling nozzle |
JP2937088B2 (en) * | 1995-09-27 | 1999-08-23 | サンスター技研株式会社 | Method for filling highly viscous material and filling device used for the method |
IT1285990B1 (en) * | 1996-11-22 | 1998-06-26 | Bieffe Medital Spa | SYSTEM FOR FORMING AND FILLING FLEXIBLE BAGS |
SE520351C2 (en) * | 1998-02-17 | 2003-07-01 | Eco Lean Res & Dev As | Filling method and filling device |
SE513561C2 (en) * | 1998-02-17 | 2000-10-02 | Eco Lean Ab | Container, method and apparatus for making a container and method and apparatus for filling a container |
WO2002010020A1 (en) * | 2000-07-31 | 2002-02-07 | Tetra Laval Holdings & Finance S.A. | Method of manufacturing paper packaging container and paper packaging container |
-
2005
- 2005-06-08 SE SE0501320A patent/SE528731C2/en unknown
-
2006
- 2006-06-02 MX MX2007015568A patent/MX2007015568A/en active IP Right Grant
- 2006-06-02 AU AU2006255845A patent/AU2006255845B2/en active Active
- 2006-06-02 NZ NZ563479A patent/NZ563479A/en unknown
- 2006-06-02 KR KR1020077027840A patent/KR101309539B1/en active IP Right Grant
- 2006-06-02 US US11/921,501 patent/US20090078337A1/en not_active Abandoned
- 2006-06-02 BR BRPI0611180-7A patent/BRPI0611180B1/en active IP Right Grant
- 2006-06-02 PL PL06747844.6T patent/PL1888408T3/en unknown
- 2006-06-02 UA UAA200714343A patent/UA91227C2/en unknown
- 2006-06-02 ES ES06747844.6T patent/ES2573673T3/en active Active
- 2006-06-02 CN CNB2006800204110A patent/CN100532203C/en active Active
- 2006-06-02 JP JP2008515653A patent/JP4890542B2/en active Active
- 2006-06-02 EP EP06747844.6A patent/EP1888408B1/en active Active
- 2006-06-02 HU HUE06747844A patent/HUE028776T2/en unknown
- 2006-06-02 CA CA2610259A patent/CA2610259C/en active Active
- 2006-06-02 WO PCT/SE2006/000650 patent/WO2006132578A1/en active Application Filing
- 2006-06-02 DK DK06747844.6T patent/DK1888408T3/en active
- 2006-06-02 EA EA200702581A patent/EA011536B1/en not_active IP Right Cessation
-
2008
- 2008-12-01 HK HK08113093.1A patent/HK1123781A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
BRPI0611180A2 (en) | 2010-08-24 |
DK1888408T3 (en) | 2016-04-11 |
SE0501320L (en) | 2006-12-09 |
ES2573673T3 (en) | 2016-06-09 |
JP4890542B2 (en) | 2012-03-07 |
MX2007015568A (en) | 2008-03-06 |
EP1888408A4 (en) | 2014-07-30 |
AU2006255845A1 (en) | 2006-12-14 |
KR101309539B1 (en) | 2013-09-24 |
HUE028776T2 (en) | 2017-01-30 |
EP1888408A1 (en) | 2008-02-20 |
EA011536B1 (en) | 2009-04-28 |
UA91227C2 (en) | 2010-07-12 |
WO2006132578A1 (en) | 2006-12-14 |
CA2610259C (en) | 2011-09-13 |
AU2006255845B2 (en) | 2009-11-19 |
EA200702581A1 (en) | 2008-04-28 |
CN100532203C (en) | 2009-08-26 |
JP2008543678A (en) | 2008-12-04 |
CN101193799A (en) | 2008-06-04 |
BRPI0611180B1 (en) | 2018-03-20 |
PL1888408T3 (en) | 2016-09-30 |
NZ563479A (en) | 2010-02-26 |
HK1123781A1 (en) | 2009-06-26 |
CA2610259A1 (en) | 2006-12-14 |
SE528731C2 (en) | 2007-02-06 |
US20090078337A1 (en) | 2009-03-26 |
KR20080013962A (en) | 2008-02-13 |
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