EP4387900A1 - Fermeture de dosage à monter sur un récipient, et système de dosage associé pour le dosage d'un produit visqueux - Google Patents

Fermeture de dosage à monter sur un récipient, et système de dosage associé pour le dosage d'un produit visqueux

Info

Publication number
EP4387900A1
EP4387900A1 EP22765452.2A EP22765452A EP4387900A1 EP 4387900 A1 EP4387900 A1 EP 4387900A1 EP 22765452 A EP22765452 A EP 22765452A EP 4387900 A1 EP4387900 A1 EP 4387900A1
Authority
EP
European Patent Office
Prior art keywords
dosing
closure
product
container
recesses
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.)
Pending
Application number
EP22765452.2A
Other languages
German (de)
English (en)
Inventor
Klaus Höfflin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Km Packaging GmbH
Original Assignee
Km Packaging GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Km Packaging GmbH filed Critical Km Packaging GmbH
Publication of EP4387900A1 publication Critical patent/EP4387900A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/043—Closures with discharging devices other than pumps with pouring baffles, e.g. for controlling the flow
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others

Definitions

  • Dosing closure for mounting on a container and associated dosing system for dosing a viscous product
  • the invention relates to a dosing closure for mounting on a container and an associated dosing system for dosing a viscous product.
  • thermoplastic standard plastics which can be produced very cheaply in large quantities and can be used in a variety of ways.
  • the container for the product is usually made of polyethylene, while the closure of the dosing system is made of slightly harder and more heat-resistant polypropylene.
  • An object of the invention is to provide a dosing closure for mounting on a container and a dosing system for dosing a viscous product, with which the recyclability can be improved and thus the efficiency of the recycling process can be increased.
  • the dosing closure according to the invention makes it possible to produce a dosing closure for a viscous product without an additional valve while still ensuring the usual dosing function.
  • the dosing closure for mounting on a container for a viscous product comprises a closure body.
  • a pouring opening for pouring out the viscous product is arranged in the closure body.
  • the closure body comprises a dosing device arranged on the pouring opening, which is designed to generate a product jet flowing essentially perpendicularly to a boundary plane of the pouring opening along a flow axis.
  • the dosing device has an obstacle device that is impermeable to the product and is connected to the pouring opening via a lateral surface that encloses the flow axis.
  • the obstacle device is arranged along the flow axis in the flow direction of the product jet behind the pouring opening.
  • the lateral surface has at least two recesses, which are designed to be flowed through by the viscous product in such a way that the individual jets generated by the at least two recesses unite until they exit the pouring opening in order to to generate the usual product jet flowing perpendicularly to the pouring opening.
  • the dosing system according to the invention does not have a valve which would have to be made from a different, in particular more flexible material than the material of the closure body. This means that the developer is less restricted in the selection of the materials used for the dosing closure and can also select these materials more specifically from a recycling point of view. As a result, the recyclability of the dosing closure is improved and the object on which the invention is based is thereby achieved.
  • a viscous product within the meaning of the invention is a product with a medium or high viscosity.
  • An example of a viscous product is ketchup.
  • a dosing device within the meaning of the invention is a device which serves the purpose of enabling the user of the dosing system to dispense a product stored in a container in defined portions of a desired size in a controlled manner.
  • a product-impermeable obstacle device within the meaning of the invention causes an extensive blockage for the viscous product, especially in the immediate vicinity of the pouring opening. This prevents the viscous product from escaping dynamically, for example due to rapid movements.
  • the viscous product can only escape via the recesses arranged in the lateral surface.
  • the obstacle device thus directs the flow of the viscous product away from the direct path to the pouring opening and hm to the recesses.
  • a recess within the meaning of the invention is an opening through which the viscous product, coming from the inside of the container, can emerge from the pouring opening.
  • the emerging viscous product forms individual streams flowing through the at least two recesses, which subsequently combine in the pouring opening to form a single product stream.
  • the arrangement of the obstacle device according to the invention along the flow axis in the direction of flow upstream of the pouring opening means that the obstacle device is located inside the dosing closure.
  • the obstacle device is thus arranged offset to the pouring opening along the flow axis.
  • a product jet within the meaning of the invention is the emerging viscous product, which moves forward, preferably in a straight line.
  • the dosing closure is advantageously made in one piece, in particular from a thermoplastic material, in particular from polyethylene or from polypropylene.
  • one-piece means that the dosing closure is primary formed and consequently consists of a homogeneous material composition.
  • Injection molding is the preferred manufacturing process for plastics processing.
  • the respective material is plasticized with an injection molding machine and placed in a mould under pressure. The material returns to its solid state in the mold when it cools down and is removed as a finished part after the mold has been opened.
  • the advantage of the dosing closure according to the invention is that the dosing closure has all the necessary functional properties for dosing a viscous product and no further work steps in the manufacturing process, such as adding a silicone valve, are necessary. This not only leads to cost savings, but above all also simplifies the manufacturing process, which is of great importance in view of the very large quantities.
  • the homogeneous material composition makes it easier to recycle the dosing closure, since no parts made of different plastics have to be separated for this purpose.
  • At least one of the at least two recesses in the circumferential direction of the lateral surface advantageously has a maximum width of 0.5 mm to 4 mm, preferably 1 mm to 3 mm, more preferably 1.5 mm to 2.5 mm.
  • the maximum width can be the same for all cutouts.
  • the maximum width can also vary in size for individual cutouts.
  • the expedient maximum width is primarily dependent on the viscosity of the viscous product, more viscous products requiring a larger cross-sectional area of the recesses and therefore a greater maximum width of the recesses than less viscous products.
  • the obstacle device has a diameter of 1 mm to 5 mm, preferably 2 mm to 4 mm, more preferably 3 mm to 4 mm in the radial direction to the flow axis.
  • the diameter of the obstacle device can be smaller than, equal to or larger than the diameter of the pouring opening. In terms of manufacturing technology, however, it is advantageous for the diameter of the obstacle device to be smaller than the diameter of the pouring opening designed to avoid possible undercuts during the manufacturing process.
  • the obstacle device advantageously comprises a flat plate which is preferably arranged essentially perpendicularly and/or essentially concentrically to the flow axis and/or intersects the flow axis.
  • the lateral surface advantageously has at least partially the shape of a truncated cone.
  • the lateral surface at least partially has the shape of a spherical segment.
  • a spherical layer is a part of a sphere that is cut out by two parallel planes.
  • the obstacle device is also advantageously in the form of a spherical cap, in particular with the same radius as that of the lateral surface.
  • a spherical cap is a part of a spherical body that is separated by an intersection with a plane, has the shape of a dome and has a circular disc as its base.
  • a hemisphere is a special case of a spherical cap in which the section plane contains the center of the sphere. This gives rise to a shape that is advantageous in terms of flow technology for the viscous product flowing around the dosing device.
  • the at least two recesses advantageously have the same maximum width.
  • the at least two recesses are advantageously arranged in a rotationally symmetrical manner in the circumferential direction at equal distances from one another.
  • rotational symmetry means that the recesses can be imaged onto themselves by rotation about a specific angle about an axis, in particular about the flow axis.
  • a deviation from the rotational symmetry can be advantageous if the pouring opening is arranged in the closure body in such a way that the dosing system is tilted at a certain angle.
  • the dosing closure also has a dosing closure cover, which is articulated in a foldable manner on the closure body in order to selectively close or open the pouring opening.
  • the dosing closure lid preferably has a stopper on the side facing the pouring opening, which has a slight oversize to the pouring opening in terms of its fitting tolerances, in order to close it as tightly as possible on the one hand and to enable easy opening for the user of the dosing system on the other.
  • the dosing closure advantageously has a first connection device, in particular a thread or a latching device, which can be connected to a second connection device arranged on the container.
  • a first connection device in particular a thread or a latching device
  • the container can be filled with the viscous product through a container opening and then closed by means of the first and second connecting device through the dosing closure.
  • the dosing closure it is also conceivable for the dosing closure to be connected to the container not by a non-positive or positive connection device such as a thread or a latching device, but rather by a material connection device such as a welded connection.
  • the at least two recesses are advantageously designed to reduce the pressure of the product flowing through the metering device in the metering device compared to the product in the interior of the container, preferably by at least 5%, more preferably by at least 10%, even more preferably by at least 30% reduction.
  • the pressure reduction is preferably dependent on the total area of the recesses. The smaller the total area of the recesses, the greater the pressure reduction.
  • the viscosity of the viscous product represents a further influence on the pressure reduction.
  • the pressure reduction required to force the product out of the container interior increases with the viscosity of the viscous product.
  • the dosing closure according to the invention is also part of a dosing system according to the invention for dosing a viscous product.
  • the dosing system comprises a container comprising a closed container body with a flexible area which delimits a volume for receiving the viscous product.
  • a flexible area within the meaning of the invention is preferably an area of the container body that is flexible enough to reduce the volume of the container interior through the pressure that an average user applies when squeezing the container body, and thereby increase the pressure prevailing there.
  • the flexible area advantageously encompasses the entire container body.
  • the container comprises a container opening.
  • the dosing closure is designed to be mounted on the container in such a way that the container opening is completely closed to the outside and the product can emerge from the container opening and enter the closure body.
  • the container can in particular be connected to the dosing closure in a positive, non-positive or material manner.
  • the dosing system is further designed such that when dynamic pressure is applied from the outside to the flexible area of the container, the volume of the container delimited by the flexible area is reduced, and the viscous product is thereby removed from the dosing system through the at least two recesses is displaced by individual product beams.
  • the individual product jets then combine to form a single product jet before they emerge from the pouring opening.
  • the dynamic pressure is removed again, the product in the dosing device or at the pouring opening is drawn back into the container by the negative pressure created inside the container as a result of the removal of the dynamic pressure.
  • the container and the dosing closure are advantageously made of the same material.
  • the production from the same material leads to significant advantages for the recyclability of the complete dosing system.
  • the container and the dosing closure are advantageously made in one piece.
  • the closure can be molded onto a tube.
  • closure can also be welded to the tube or pressed onto the tube.
  • the viscous product is advantageously a cosmetic product, in particular a shampoo, lotion or shower gel.
  • a cosmetic product in particular a shampoo, lotion or shower gel.
  • other viscous products such as toothpaste, tooth gel, hair gel or the like are also conceivable.
  • the viscous product is advantageously a foodstuff, in particular honey, ketchup or mayonnaise.
  • other viscous products such as nut cream, mush, viscous sauces or the like are also conceivable.
  • FIG. 1 shows a perspective view of a cross-section of a dosing closure according to the invention with an open dosing closure lid.
  • FIG. 2 shows a plan view of the dosing closure according to the invention from FIG. 1.
  • Fig. 3 shows a cross section of the upper part of the dosing closure according to the invention from Fig. 1.
  • FIG. 4 shows a perspective view of the dosing closure according to the invention from FIG. 1 in the closed and open state.
  • FIG. 1 shows a perspective view of a cross-section of a dosing closure 10 according to the invention with an open dosing closure cover 26.
  • the dosing closure 10 for mounting on a container containing a viscous product comprises a closure body 12 to which the dosing closure cover 26 is articulated at the edge so that it can be folded, to optionally close or release a pouring opening 14 of the dosing closure 10 via a stopper 30 .
  • the dosing device 16 comprises a collar 32 surrounding the pouring opening 14 in order to ensure a clean demolition of the emerging product stream after the dynamic pressure in the container has been eliminated make possible.
  • the collar 32 also serves to stabilize the closure body 12 in order to ensure a tight closure of the pouring opening 14 via the stopper 30 even after it has been closed and released several times.
  • the dosing closure 10 comprises a dosing device 16, which is designed to flow a product jet along a flow axis 18 essentially perpendicularly to a boundary plane of the pouring opening 14, which is formed here by an upper tangential plane of the collar 32 to create.
  • the dosing device 16 has an impermeable obstacle device 20 for the viscous product, which is connected to the pouring opening 14 via a lateral surface 22 enclosing the flow axis 18 .
  • the obstacle device 20 is arranged upstream (in the figures below) of the pouring opening 14 along the flow axis 18 in the flow direction of the product jet.
  • the lateral surface 22 has at least two recesses 24, 24′, which are designed so that the product flows through them in such a way that the individual jets generated by the at least two recesses 24, 24′ combine until they exit the pouring opening 14 in order to to generate the product jet flowing perpendicularly to the pouring opening 14 .
  • the closure body 12 has an internal thread 28 designed as a connecting device, with which the metering closure 10 can be connected to a second connecting device arranged on a container, in this case an external thread arranged on the container opening.
  • the dosing device 16 has the shape of a truncated cone.
  • the obstacle device 20 has the shape of a round, flat plate and is arranged perpendicularly and concentrically to the flow axis 18 .
  • FIG. 2 shows a top view of the dosing closure 10 according to the invention.
  • the obstacle device 20 is arranged with the pouring opening 14 concentrically to the flow axis 18 .
  • the flow axis 18 is not shown in FIG. 2, but runs out of the plane of the drawing from the center point of the closure body 12 defined by the intersection of the horizontal line and the left vertical line.
  • the dosing device 16 has the shape of a truncated cone in its lower section directed towards the interior of the container.
  • the lateral surface 22 extends conically along the flow axis 18 until it reaches a cylindrical section, the cylindrical section terminating with the pouring opening 14 .
  • recesses 24, 24 ' are provided through which the product in the direction the pouring opening 14 can flow out of the container interior.
  • the lower side of the recesses 24, 24' terminates with the obstacle device 20.
  • the upper part of the closure body 10 has no undercuts and can therefore be easily manufactured in an injection mold, with the upper and lower mold halves on the boundary surfaces of the recesses 24, 24' on the outer side of the Touch lateral surface 22.
  • the edge of the upper side of the recesses 24, 24' encloses an angle with the vertical lateral surface 22 which corresponds to half the opening angle of the conical lateral surface 22. Due to this sharp-edged transition, the product flow cannot follow the sudden change in contour, resulting in flow separation and a drop in pressure.
  • the total area of the recesses 24, 24' can be kept small due to the pressure drop additionally induced by this geometry.
  • a small total area of the recesses 24, 24' has the advantage that when the closure is open the gas exchange between the environment and the interior of the container is reduced and the viscous product is less exposed to environmental influences, in particular that the product oxidizes less through the ambient air. Furthermore, a small total area of the recesses 24, 24' has the advantage that an undesired excessive discharge of the product is reduced.
  • FIG. 4 shows a perspective view of a dosing closure 10 according to the invention in the closed (left) and open (right) state.
  • the dosing closure lid 26 is hinged to the closure body 12 at the edge and closes the pouring opening 14 via the stopper 30 arranged in the dosing closure lid 26. All components of the dosing closure 10 are manufactured in one piece in an injection molding process.
  • the dosing closure 10 is part of a dosing system for dosing a viscous product.
  • the dosing system has a container (not shown), the container comprising a closed container body with a flexible area.
  • the container delimits a volume for receiving the viscous product.
  • the viscous product can be a cosmetic product such as shampoo, lotion or shower gel.
  • the viscous product can also be a food such as honey, ketchup or mayonnaise.
  • the container also includes a container opening, with the dosing closure 10 being designed to be mounted on the container in such a way that the container opening is completely closed to the outside and the product can only emerge through the container opening.
  • the dosing system is designed such that when a dynamic pressure is applied from the outside to the flexible area of the container, the volume delimited by the flexible area is reduced and the viscous product is thereby displaced from the dosing system through the at least two recesses 24, 24' and escapes through the pouring opening 14 . If the dynamic pressure is removed again, the product in the metering device 16 or at the pouring opening 14 is drawn back into the container by the negative pressure created by the removal of the dynamic pressure, as a result of which the metering closure 10 does not drip.
  • the entire dosing system can be transferred together into the recycling process without having to individually consider the individual components and their respective material characteristics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Une fermeture de dosage (10) à monter sur un récipient qui contient un produit visqueux comprend un corps de fermeture (12) présentant une ouverture de versement (14) pour verser le produit visqueux, et un dispositif de dosage (16) qui est configuré pour produire, le long d'un axe d'écoulement (18), un jet de produit s'écoulant sensiblement perpendiculairement à un plan de limite de l'ouverture de versement (14). Le dispositif de dosage (16) présente un dispositif d'obstacle (20) imperméable aux produits qui est relié à l'ouverture de versement (14) par l'intermédiaire d'une surface latérale (22) entourant l'axe d'écoulement (18). Le dispositif d'obstacle (20) est disposé en amont de l'ouverture de versement (14), vu le long de l'axe d'écoulement (18) dans la direction d'écoulement du jet de produit. La surface latérale (22) présente au moins deux découpes (24, 24') qui sont configurées pour être traversées par l'écoulement de produit de telle sorte que les jets de produit individuels produits par les au moins deux découpes (24, 24') sont réunis jusqu'à ce qu'ils sortent de l'ouverture de versement (14) afin de produire ledit jet de produit.
EP22765452.2A 2021-08-20 2022-08-11 Fermeture de dosage à monter sur un récipient, et système de dosage associé pour le dosage d'un produit visqueux Pending EP4387900A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021121639.7A DE102021121639A1 (de) 2021-08-20 2021-08-20 Dosierverschluss zur Montage auf einem Behälter und zugehöriges Dosiersystem zur Dosierung eines zähflüssigen Produkts
PCT/EP2022/072573 WO2023020935A1 (fr) 2021-08-20 2022-08-11 Fermeture de dosage à monter sur un récipient, et système de dosage associé pour le dosage d'un produit visqueux

Publications (1)

Publication Number Publication Date
EP4387900A1 true EP4387900A1 (fr) 2024-06-26

Family

ID=83228717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22765452.2A Pending EP4387900A1 (fr) 2021-08-20 2022-08-11 Fermeture de dosage à monter sur un récipient, et système de dosage associé pour le dosage d'un produit visqueux

Country Status (3)

Country Link
EP (1) EP4387900A1 (fr)
DE (1) DE102021121639A1 (fr)
WO (1) WO2023020935A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492774A1 (fr) * 1980-10-29 1982-04-30 Bouchons Plastiques Bec verseur pour recipient ou analogue agence pour eviter les variations de debit et dispositif d'obturation pourvu d'un tel bec verseur
DE8431343U1 (de) * 1984-10-25 1985-04-18 Colgate-Palmolive Co., New York, N.Y. Gießeinsatzelement
US20050098589A1 (en) * 2002-03-21 2005-05-12 Beiersdorf Ag Valve device for opening a container comprising a re-aeration mechanism
FR2888567B1 (fr) * 2005-07-13 2010-10-22 Bericap Bouchon a moyen verseur
ATE471282T1 (de) * 2006-01-11 2010-07-15 Capartis Ag Behälterverschluss
EP2559632A1 (fr) * 2011-08-16 2013-02-20 Dpi International S.A.S. Bouchon pour bouteilles d'huile et similaire
ES2605496B2 (es) * 2015-08-11 2017-09-06 Bericap Holding Gmbh Caperuza de cierre para envases para líquidos, con ajuste del caudal vertido

Also Published As

Publication number Publication date
WO2023020935A1 (fr) 2023-02-23
DE102021121639A1 (de) 2023-02-23

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