EP3325349B1 - Procédé et outil de fermeture étanche d'un récipient et récipient fermé de façon étanche - Google Patents

Procédé et outil de fermeture étanche d'un récipient et récipient fermé de façon étanche Download PDF

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Publication number
EP3325349B1
EP3325349B1 EP16763313.0A EP16763313A EP3325349B1 EP 3325349 B1 EP3325349 B1 EP 3325349B1 EP 16763313 A EP16763313 A EP 16763313A EP 3325349 B1 EP3325349 B1 EP 3325349B1
Authority
EP
European Patent Office
Prior art keywords
container
tool
closure
roller
rollers
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.)
Active
Application number
EP16763313.0A
Other languages
German (de)
English (en)
Other versions
EP3325349A2 (fr
Inventor
Peter HORZ
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.)
Trivium Packaging Group Netherlands BV
Original Assignee
Trivium Packaging Group Netherlands BV
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
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Publication of EP3325349A2 publication Critical patent/EP3325349A2/fr
Application granted granted Critical
Publication of EP3325349B1 publication Critical patent/EP3325349B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2653—Methods or machines for closing cans by applying caps or bottoms
    • B21D51/2661—Sealing or closing means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2653—Methods or machines for closing cans by applying caps or bottoms
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/285—Securing closures on containers by deformation of the closure
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2871—Securing closures on containers by gluing
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2878—Securing closures on containers by heat-sealing

Definitions

  • the invention relates to the technical field of packaging technology, especially the field of closing containers, also for filling goods with high demands on impermeability or sensitivity to contamination.
  • a can made of sheet metal is known, which is closed at one end with a membrane.
  • raised edge areas of the membrane are glued or heat-sealed to the inside of the can wall.
  • Such sealed cans are produced by inserting a membrane into an opening of the can and inserting a stamp.
  • a force acts radially on the raised edge area of the membrane; in connection with the action of heat, the membrane is connected to the inside of the can.
  • the punch consists of circumferentially arranged elements that are pressed radially outward against an expanding or snap ring, which increases its diameter.
  • the expanding or snap ring has an axial gap in order to allow the mentioned increase in radius.
  • the expanding or snap ring presses against the edge area of the membrane, no force acts on the area of the membrane to be connected at the location of the gap. This can lead to leaks in the closure, especially if the gap in the expanding or snap ring takes the place of the vertical seam, which is typically present in cans of this type due to the manufacturing process. Cans that are sealed using this process are particularly unsuitable for sensitive filling goods such as (high-quality) coffee.
  • WO 1998/03278 shows a known pressing device, which consists of several pressed parts (cf. there Figure 3 ).
  • the pressing device is designed to close similar cans as in WO 1996/31406 directed.
  • the pressed parts extend radially until they come into contact with the membrane that rests on the inside of the can, axial gaps are formed. No force is transmitted to the membrane at these recesses.
  • a channel formation as shown in WO 1996/31406 must be avoided.
  • an axial channel can form between the membrane and the inside of the can despite the gap offset of the pressing device, which has a negative impact on the tightness of the can.
  • U.S. 723,556 relates to a machine for sealing cans, the machine being suitable for domestic use.
  • US 3868808 A also discloses a tool for closing an opening of a container according to the preamble of claim 1.
  • the object of the invention is to close containers with the greatest possible tightness while keeping the material costs of a closure low.
  • a tool according to the invention is suitable for closing an opening of a container, for example a can, with a membrane.
  • the tool comprises a tool plate on which at least one roller is attached.
  • the tool can penetrate into a space that is open on one side (limited by a closure) in the interior of the container.
  • the at least one roller can be deflected radially in order to exert a force on the collar of the closure and to connect it to the inside of the container in a sealing manner, possibly under the influence of heat.
  • the entire circumference of the collar can be connected to the inside of the container when the roller is deflected.
  • the tool can be brought back radially, it can be easily removed from the container without damaging the sealingly attached closure, and a next container to be closed can be made available within a short time.
  • each roller has to cover a smaller distance or a complete rotation (360 °) of the tool is not necessary to cover the entire surface of the locking collar Having exercised force.
  • each section of the closure collar is contacted several times by one or more rollers, which results in a rotation of more than 360 ° or, in the case of several rollers, proportionally according to the number of rollers. Two roles, three roles, four roles, five roles, six roles, seven roles, eight roles or more than eight roles can be effective for this.
  • the force acting on the container is partially absorbed by a roller opposite by means of several rollers and the container remains in a centered (around the longitudinal axis of the container) position while the tool is being used.
  • a deflection of the rollers or contact with the rollers of the closure collar that is as simultaneous as possible is advantageous here. If there are several rollers, it is also advantageous if the rollers are arranged uniformly or radially symmetrically around the circumference. An odd number of roles can also be useful and in Depending on the roller diameter compared to the container diameter, more than eight rollers can also be arranged in the tool. In the following, the terms role and roles are used equally; it is always about at least one role.
  • a closure is advantageously first introduced into the opening.
  • a positioning element can be arranged on the tool, as a result of which a closure and the tool can be introduced into the opening of a container in one work step.
  • This one work step can also consist of two or more sub-work steps.
  • a closure located on the positioning element can first be introduced into the opening of the container by extending the element and the tool with the rollers can be adjusted in a second partial work step.
  • the rollers can be deflected by a defined force.
  • the deflection of the rollers can take place pneumatically, whereby the force acting on the locking collar can be monitored and controlled in a simple manner.
  • a deflection of the rollers can also be deflected by pneumatic, mechanical, electrical, electromagnetic or other force-generating actuators.
  • the tool also in an advantageous embodiment, can be arranged as an element of a locking arrangement.
  • the arrangement further comprises at least one shaft via which a torque can be exerted on the tool, which leads to a rotation of the tool.
  • the shaft can also be axially extended, deflected or moved in order to enable the tool to be introduced into the space open on one side, limited by the closure, and possibly the inside of the container (if the closure collar does not extend to the edge of the container).
  • the locking arrangement can comprise a lifting device.
  • a container to be closed can be placed on the lifting device, the opening of the container to be closed pointing in the direction of the tool and the central axis of the container and the tool advantageously lying one above the other.
  • the container to be closed is pushed over the tool by an upward movement of the lifting device, wherein the closure can be introduced into the container arranged on the lifting device or the closure can be arranged on the optional positioning element of the tool.
  • the lifting device can hold a container located thereon in order to avoid a rotation of the container while the tool rotates and / or cause a rotation of the container, after which the tool does not have to rotate inside the container during the closure, but can also rotate .
  • the axial deflectability of the shaft may not be necessary; a combination of the opposing movements of the lifting device and shaft can also be advantageous.
  • an adhesive layer on at least the collar of the closure or the inside of the container can be softened during the rotation of the tool with deflected rollers.
  • Such a heating element can be arranged outside the container to be closed or in the area of the tool plate, that is to say inside the container during the closing process.
  • the heating element is preferably an inductive element, electrical element or heat radiation element.
  • the heating element is the element from which the inductive effect emanates, although this element is not heated by the mode of action of inductive heating, but rather another one.
  • Electrical elements provide the heat or heat directly in the generating element and transfer it directly.
  • Thermal energy for softening a layer can be provided by a heat emitter (e.g. infrared, laser); a heat emitter is preferably attached outside the container in the closure arrangement.
  • the locking arrangement can preferably have a guide ring and a lifting device.
  • the lifting device can be arranged such that a container, which has an opening to be closed, can rest. The container can be moved over the tool by moving the lifting device.
  • the guide ring can preferably receive the container in a fixed position and guide the container over the closure arrangement in a spring-preloaded manner.
  • a container closed by the tool or by the closing arrangement has a closure, the closure collar of which is sealingly connected to the inside of the container over its entire circumference.
  • the cost of materials can be reduced with the same tightness compared to the prior art or improved tightness can be provided with the same area of the closure collar.
  • Containers that are closed with the tool according to the invention or the closure arrangement according to the invention are suitable because of their particularly high tightness or low susceptibility to contamination for highly sensitive filling goods, such as high-quality coffee and moist filling goods.
  • Such containers can also be used under clean conditions (aseptic or autoclave with pressure compensation).
  • the containers described here are preferably made of metal, glass, plastic or a composite material, particularly preferably three-part cans which, due to the manufacturing process, have a vertical seam.
  • three-part cans are made from a sheet metal blank into a hollow cylindrical shape, with two lateral edges of the formed sheet metal partially overlapping one another. The overlapping area is typically welded, creating a seam.
  • a floor element becomes folded on and optionally the hollow cylinder wall is provided with stabilizing beads.
  • a tight closure by means of a closure with a collar has not yet been achieved satisfactorily.
  • the closure collar can be connected to the inside of the container via a sealing wax or a hot glue, which is softened, for example, via a heating element and solidifies after being pressed against the inside of the container and ensures contact between the closure collar and the inside of the container.
  • a sealing wax or a hot glue which is softened, for example, via a heating element and solidifies after being pressed against the inside of the container and ensures contact between the closure collar and the inside of the container.
  • the height of the closure collar is greater than the axial distance between the introduction position and the opening edge of the container, a certain proportion of the closure collar protrudes from the front of the container. This protruding portion is beaded over the front edge area.
  • the protruding portion of the closure collar is preferably less than 10%, less than 5%, less than 2% of the total height of the closure collar and particularly preferably practically no area of the closure collar is axially over the edge of the end face with the opening.
  • the closure can preferably be connected to a container wall (inside or outside) by hot glue or sealing wax.
  • the closure is introduced or introduced into the opening of the container and the tool (for example a tool disclosed here) is introduced into the space of the container which is open on one side and which is delimited by the closure .
  • the at least one roller deflects radially, as a result of which a force acts at the at least one contact point of the roller with the closure collar and the closure collar is thereby pressed against the inside of the container.
  • a force acts on every point of the closure collar in the course of a complete rotation (360 °), so that the entire closure collar is connected to the inside of the container.
  • the container can also rotate, the tool not rotating. It is also possible for both the container and the tool to rotate in opposite directions.
  • a relative rotation (circumferential relative movement) takes place between the container and the tool in order to ensure that there is at least one full circumferential rolling movement on the closure collar with an acting force of the at least one roller.
  • a plurality of roles for example two, three, four, five, six, seven, eight or more than eight roles, can preferably be used in the method.
  • the at least one roller is returned to its starting position and the tool is removed from the space in the container axially applied above the closure.
  • the correspondence of the basic axial shape of the container and the closure collar includes manufacturing tolerances.
  • the basic shapes should be as identical as possible, the radial extension of the closure collar being slightly (less than 5%) smaller than the radial extension of the container so that the closure can be inserted into the container without any problems.
  • the layer is thermally softened or liquefied before or during the rotation of the tool.
  • the layer can be applied essentially over the entire surface in the area of the closure collar or on one side of the closure.
  • the thermal energy is preferably supplied to the layer by transmission via the at least one roller and / or the closure.
  • the closure is preferably introduced into the container by a positioning element, the positioning element being arranged on the tool.
  • the introduction of the closure and the tool takes place particularly preferably in a work step which essentially consists of an axial (longitudinal axis of the container) relative movement of the tool (with positioning element) to the container.
  • Either the tool can change its position and be introduced into the opening of the container or the container changes its position in relation to the tool and takes it into itself.
  • containers especially three-part cans, have a circumferential step at the point where two side edges of the sheet metal overlapped before welding. This often results in a step in the container which, when viewed from the circumference in a clockwise direction, represents an upward step. When viewed from the full counterclockwise direction, there is a downward step.
  • the relative rotation is preferably carried out in such a way that the at least one roller moves against an upward step.
  • containers according to the invention can be produced in accordance with the method for closing an opening of a container.
  • the closure collar can be attached to the upper end portion of the inside of the container (strip-shaped). Or the closure is lowered further into the interior of the container with the tool.
  • the opening of the container can in any case be tightly closed, or two filling spaces are created which can be filled with food or particulates that help or enable the other filling space to be consumed when the food is consumed.
  • FIG Figure 1 An example of the invention is tool 10 in FIG Figure 1 .
  • the centering ring 25 shown in this figure is not an element of the tool 10.
  • the tool 10 comprises a plurality of rollers 11 which are arranged uniformly around the circumference on the outer edge region of a tool disk 12.
  • the rollers 11 are preferably cylindrical, with a height H11 that is essentially the same as the height H4 of a closure collar 4 Figure 7 is equivalent to.
  • the rollers are preferably made of a metallic material, particularly preferably of a metal that can be easily inductively heated.
  • the circumferential surfaces 11a of the rollers 11 are preferably smooth; a coating can also be applied, for example a rubber coating or the like, or the rollers consist of a plastic.
  • Each of the rollers 11 is connected to the tool plate 12 via a bracket 16a and a joint 16. Furthermore, the rollers 11 are each connected along their respective longitudinal axis to a roller axis 17 which is connected via a respective connecting element 19 to a rod 18 (a ram).
  • a lifting device 19a makes each of the rods 18 extendable and retractable. For such a movement, the lifting device 19a can extend the rod 18 both in the radial direction and in the opposite direction, in the negative radial direction (in the direction of the interior of the tool plate).
  • roller 11 If the roller 11 is extended or deflected, a counterforce acting on the roller 11 can be absorbed by the lifting device 19a (via the rod 18, the connecting element 19 and the roller axle 17).
  • the respective joint 16 guides and supports the movement of the respective roller (via a connection of the boom 16a with the roller axis 17 and the joint 16) during extension and retraction or during deflection and deflection.
  • each point of closure collar 4 denotes each point that is accessible to the roller 11.
  • a layer 7, which is designed as an adhesive layer or connecting layer, is preferably located between the closure collar 4 and the inside 5 of the container.
  • the layer 7 can be applied to one side of the closure 3 or can also be applied to the surface of the inside 5 of the container.
  • the layer 7 is preferably a sealing wax or a hot-melt adhesive, particularly preferably the layer 7 comprises a material containing polyethylene and / or polypropylene. Such materials can be softened or liquefied by heating; After solidification or solidification, these materials connect the elements contacted during the softening or liquefaction, for example the container wall (container inside 5 and / or container outside 8) and the closure collar 4.
  • the softening or liquefaction is brought about thermally, so that a softened or liquefied material layer is present at the point at which the roller 11 contacts the closure collar 4.
  • a material accumulation or a material wave 33 forms between the closure collar 4 and the inside of the container 5, which is driven by the movement of the roller 11 in front of its direction of movement.
  • Such a material wave 33 is not a pronounced wave, but is an area with a greater thickness of the layer 7 in the flowable state (thermally softened or liquefied) compared to the originally present thickness on one side of the closure collar 4 or the inside of the container 5.
  • the vertical seam 31 of a three-part can is filled by the formed material shaft 33 in such a way that the closure collar 4 is also connected to the inside 5 of the container in a sealing manner in this sensitive area. As a result, these points are also grasped by the roller 11, as mentioned above.
  • the roller 11 preferably moves in the direction of the vertical seam 31, in which a step in this area represents a step formed upwards in the direction of the roller 11 (roller moves, for example, in the circumferential direction, the step of the seam 31 rises in front of it in negative r-direction).
  • a step in this area represents a step formed upwards in the direction of the roller 11 (roller moves, for example, in the circumferential direction, the step of the seam 31 rises in front of it in negative r-direction).
  • the opposite direction in which an area formed as a step downward in the viewing direction of the roller 11 is sealed or glued is also possible.
  • This effect is also desirable in the sealing of glass containers which typically have a production-related longitudinal seam.
  • Figure 3 shows an embodiment of the tool viewed obliquely from below ( Figure 3a from diagonally above).
  • an optional positioning element 15 can be seen, which is arranged below the tool plate 12, so that the rollers 11 in the tool 10 are arranged axially between the positioning element 15 and the underside of the tool plate 12.
  • the positioning element 15 is designed in such a way that it can receive and hold a closure 3 (with panel 3a and collar 4). If the tool 10 moves into a container 1, the closure 3 and the at least one roller 11 attached to the tool plate 12 are introduced into the container 1 at the same time. This saves time during the locking process and sources of error due to a further work step can be avoided.
  • guide tracks 15a which are open on the edge are provided, which extend in an arc shape (on a respective circular path around the respective joint 16 at a distance from the respective arm 16a).
  • the rollers 11 can be guided in the guide tracks when a respective lower pin 17a of the respective roller axis engages in the respective track 15a.
  • a locking arrangement 20 which comprises a tool 10.
  • a shaft 21 is arranged on the tool 10 in such a way that it can transmit a torque to the tool, on the basis of which the tool 10 rotates.
  • the movement is provided by a drive 27 and transmitted to the shaft 21 via a transmission element 26.
  • FIG Fig. 5 Another embodiment of a locking arrangement is shown in FIG Fig. 5 shown.
  • a drive 27a is arranged on a lifting device 22, so that a rotation of the container 1 takes place after the tool 10 has been introduced into the container.
  • the tool rotates not here, but a circumferential relative movement is achieved (of rollers 11 and container 1).
  • Fig. 6 shows the functioning of a centering ring 25 independently of the embodiment of the closure arrangement 20.
  • This is designed as a ring and its lower inner edge has an upwardly extending chamfer 28, so that the ring hole diameter is smaller at the top than at the bottom, with a container 1 from bottom to top is moved in the direction of the centering ring 25.
  • the chamfer 28 in the centering ring 25 causes a container 1 that is not positioned with sufficient accuracy to be radially deflected by a relative movement of the centering ring 25 to the container 1 by an axial movement until the centering ring 25 and the container 1 are sufficiently centered.
  • centering ring 25 is preferably arranged centered with the tool 10 within the closure arrangement 20, a centering of the container 1 and the tool 10 is thus ensured.
  • Tool 10 - the container 1 can be protected against rotation.
  • a torque that is inevitably transmitted to the container 1 when the tool 10 rotates with a deflected roller 11 must be absorbed, since otherwise the container 1 rotates about its longitudinal axis during the closing process, which in turn leads to undesirable adverse effects when closing leads.
  • the container 1 is therefore clamped with a slight force between the bevel 28 of the centering ring 25 and an element on which the container 1 stands.
  • the force is sufficient to generate a frictional force between the bevel 28 of the centering ring 25 and the edge 32 of the container or between the container bottom and the element on which it is located, which can counteract the torque during the closing without a rotation of the container 1 takes place.
  • Figure 6a illustrates the bevel 28 on the inner, lower edge of the centering ring 25. This is divided into two functional sections, an outer retaining ring 25a and an inner ring 25b, which emits thermal energy "thE” or magnetic fields to the container around the fastening point or the Heat layer 7.
  • Figure 7 shows an exemplary embodiment of a container 1.
  • a closure 3 is connected to the inside of the container 5 of a container 1 via a closure collar 4.
  • the entire surface of the closure collar 4 is firmly connected to, for example, the upper edge strip of the inside of the container.
  • the area of the closure collar 4 results from its height H4 and its circumference.
  • the bottom of the shutter 3 is the panel 3a.
  • a connection of a closure 3 can also be attached to the outside of the container 8.
  • a closure 3 is arranged inside the container 6 and a first area of the closure collar 4 contacts the interior of the container 5.
  • a second area of the closure collar 4 is arranged over an edge 32 of the container 1 and is firmly connected to the container exterior 8.
  • the height H4 of the closure collar 4 must be large enough to encompass an inner side 5 of the container and an outer side 8 of the container 1 (including the edge 32).
  • the sealing of a closed container 1 configured in this way is provided on the outside of the container 8.
  • a container 1 according to this exemplary embodiment is preferably sealed in such a way that a holding element 24 is introduced into the space of a container 1 in such a way that the closure 3 is stabilized in the interior while the closure collar 4 is being pressed and possibly heated from the outside of the can.
  • the holding element 24 has a basic shape which corresponds to the basic shape of a container 1 to be closed.
  • the radial extension of the basic shape of the holding element 24 is a little (less than 5%) less than the radial extension of the basic shape of the container 1 in order to be able to introduce the holding element 24 into the space above the closure 3 without any problems.
  • the holding element 24 can also take on the function of a positioning element 15, so that a closure 3 is introduced into a container 1 by the positioning element 15 and the positioning element 15 remains in the position it has assumed while the closure collar 4 is pressed against the container outside 8, to position the shutter 3.
  • various containers 1 can be closed by the proposed tools 10 or the closing arrangement 20 with the tool 10, if necessary according to the method described.
  • the containers 1 can also differ considerably in their shape, so it is also possible to close oval or polygonal containers 1 in addition to cylindrical containers 1.
  • a container 1 to be closed is preferably already filled with a filling material.
  • a heating element 23 Depending on the material of a container 1, different arrangements of a heating element 23 are preferred. Thus, it is preferred to let the heating element 23 act in the form of a heat radiator, for example as a laser or infrared radiator, from the outside (outside of a container 1), which is particularly useful in the case of metal containers. In the case of plastic or composite material containers 1, it is preferably the heating element 23 within the Tool 10 (between the area of the tool center point and the roller 11) to be arranged.
  • the roller 11 When using an inductive element, the roller 11 can be heated, which gives the heat to the layer 7 to be softened.
  • the closure 3, which preferably comprises an aluminum component, can also be heated by an inductive element as a heating element 23.
  • an electrical element as heating element 23 can provide heat outside the container 1; the same applies to container 1 made of glass.
  • provision of heat from the inner area is preferred in principle. If the container 1 is sealed on the container outside 8, the preferred position of a heating element 23 is reversed, so that preferred positions on the inside are preferred and vice versa.
  • an alternating direction of rotation of the roller 11 can be advantageous, so that while the closure collar 4 is pressed against the container inside 5 or the container outside 8 of a container 1, a clockwise roller movement takes place and when a closure collar 4 is pressed against a container wall a next container 1 takes place a roller movement counterclockwise or vice versa.
  • a direction of rolling movement can be changed so that a tool 10 with roller 11 initially rotates clockwise and, on the same closure 3 , then counterclockwise or vice versa.
  • closure collar 4 is thermally joined to a container wall 5, 6. For example, this can be done by soldering or welding.
  • a locking arrangement 20 can comprise a counter holder.
  • the counter holder is attached to one side of a container wall on which the roller 11 is not located. If a container 1 is closed by connecting a closure collar 4 to an inside 5 of the container, the counter holder rests on the associated outside 8 of the container. If a closure collar 4 is connected to an outer side of the container 8, the counter holder rests on the associated inner side 5 of the container.
  • the counter holder can counteract a force which acts on a wall of a container 1 via a roller 11, as a result of which a possible deformation of the basic shape of the container 1 can be prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Closures For Containers (AREA)
  • Sealing Of Jars (AREA)

Claims (15)

  1. Outil destiné à fermer un orifice (2) d'un récipient (1) par l'intermédiaire d'un dispositif de fermeture (3), le récipient (1) comprenant une paroi de récipient avec un côté intérieur de récipient (5), dans lequel l'outil (10) comprend :
    (a) une plaque d'outil (12) qui peut être introduite dans un orifice (2) d'un récipient (1) qui doit être fermé ;
    (b) au moins un rouleau (11) qui est disposé sur la plaque d'outil (12) dans une position de départ (13),
    (c) dans lequel l'au moins un rouleau (11) peut être dévié radialement dans une position de verrouillage (14) et ramené dans sa position de départ (13), pour, de façon limitée dans le temps, exercer une force radiale ou permettre à une force radiale d'agir sur un rebord de fermeture (4) du dispositif de fermeture (3) qui est disposé entre l'au moins un rouleau (11) et le côté intérieur de récipient (5) de la paroi de récipient ;
    et caractérisé en ce que
    (d) l'au moins un rouleau (11) est relié à la plaque d'outil (12) par le biais d'une potence (16a) et d'une articulation (16), et
    dans lequel l'au moins un rouleau (11) est relié à un axe de rouleau (17) le long de son axe longitudinal qui, par le biais d'un élément de liaison (19), est relié à une tige (18), et
    dans lequel la tige (18) peut être sortie et rentrée par l'intermédiaire d'un dispositif de levage (19a).
  2. Outil selon la revendication 1, dans lequel sur la plaque d'outil (12) sont disposés deux rouleaux (11), trois rouleaux (11), quatre rouleaux (11), cinq rouleaux (11), six rouleaux (11), sept rouleaux (11), huit rouleaux (11) ou plus de huit rouleaux (11).
  3. Outil selon une des revendications 1 ou 2, dans lequel l'outil comprend un élément de positionnement (15), lequel permet d'introduire un dispositif de fermeture (3) dans le récipient (1).
  4. Outil selon une des revendications 1 à 3, dans lequel le rouleau/les rouleaux (11) peut/peuvent être dévié(s) par l'intermédiaire d'une force définie.
  5. Outil selon la revendication 2, dans lequel chacun des rouleaux (11) est relié à la plaque d'outil (12) par le biais d'une potence (16a) et d'une articulation (16), et dans lequel les rouleaux (11) sont reliés respectivement à un axe de rouleau (17) le long de leur axe longitudinal respectif qui, par le biais d'un élément de liaison respectif (19), sont respectivement reliés à une tige (18), et dans lequel chacune des tiges (18) peut être sortie et rentrée par l'intermédiaire d'un dispositif de levage (19a).
  6. Outil selon une des revendications 1 à 5, dans lequel sur l'outil est disposé un arbre (21) de telle manière que celui-ci peut transmettre un moment de rotation sur l'outil, ce qui permet de faire tourner l'outil.
  7. Outil selon une des revendications 1 à 6, dans lequel les rouleaux (11) peuvent être déviés par l'intermédiaire d'actionneurs produisant une force pneumatique, mécanique, électrique, électromagnétique ou une autre force.
  8. Procédé destiné à fermer un orifice (2) d'un récipient (1) avec une paroi de récipient, dans lequel la paroi de récipient présente un côté intérieur de récipient (5), ainsi qu'avec un intérieur de récipient (6) entouré par le côté intérieur sous la forme d'une surface intérieure, le procédé présentant les étapes :
    (a) le récipient (1) a au moins un orifice (2) qui doit être fermé ;
    (b) introduction d'un dispositif de fermeture (3) dans l'orifice (2) du récipient (1) qui doit être fermé, le dispositif de fermeture (3) présentant un rebord de fermeture (4) éloigné de l'intérieur de récipient (6) et une paroi (3a) de dispositif de fermeture (3a) dont la forme de base périphérique correspond à la forme de base périphérique du récipient (1) dans sa partie au moins supérieure ;
    (c) introduction axiale d'un outil de fermeture (10) dans un espace ouvert sur un côté et qui est délimité à l'opposé par l'intermédiaire de la paroi du dispositif de fermeture (3a) ;
    (d) déviation d'au moins un rouleau rotatif (11) par la sortie d'une tige (18) par l'intermédiaire d'un dispositif de levage (19a), de manière à ce que le rouleau rotatif (11) soit appuyé radialement sur le rebord de fermeture (4) du dispositif de fermeture (3), le rouleau rotatif (11) étant relié à une plaque d'outil (12) par le biais d'une potence (16a) et d'une articulation (16), et le rouleau rotatif (11) étant relié à un axe de rouleau (17) le long de son axe longitudinal qui, par le biais d'un élément de liaison (19), est relié à la tige (18) ;
    (e) application d'un mouvement relatif de rotation par l'outil (10) avec le rouleau (11) appuyé sur le rebord de fermeture (4) ainsi qu'avec le récipient (1), ce qui permet de fixer le rebord de fermeture (4) sur le côté intérieur de récipient (5) de la paroi de récipient et de fermer de manière étanche l'orifice (2) du récipient (1).
  9. Procédé selon la revendication 8, dans lequel au moins deux rouleaux rotatifs (11) sont déviés par la sortie respectivement d'une tige (18) par l'intermédiaire d'un dispositif de levage (19a) de manière à ce que les rouleaux rotatifs (11) s'appuient radialement sur le rebord de fermeture (4) du dispositif de fermeture (3), chacun des rouleaux rotatifs (11) étant relié à la plaque d'outil (12) par le biais d'une potence (16a) et d'une articulation (16), et les rouleaux rotatifs (11) étant reliés respectivement à un axe de rouleau (17) le long de leur axe longitudinal respectif qui, par le biais d'un élément de liaison (19) respectif, sont reliés à une tige (18).
  10. Procédé selon la revendication 8 ou 9, dans lequel une couche (7) est appliquée sur un côté du rebord de fermeture (4) laquelle est amenée en contact avec le côté intérieur de récipient (5) et est au moins ramollie thermiquement avant et/ou pendant le mouvement relatif de rotation.
  11. Procédé selon la revendication 10, dans lequel une énergie thermique est transmise sur la couche pour ramollir la couche (7) par l'intermédiaire d'un réchauffement de l'au moins un rouleau (11) et/ou d'une partie supérieure du récipient (1) et/ou du dispositif de fermeture (3).
  12. Procédé selon une des revendications 8 à 11, dans lequel le dispositif de fermeture (3) est introduit dans le récipient (1) par un élément de positionnement (15) disposé sur l'outil (10), en particulier l'outil (10) et le dispositif de fermeture (3) sont introduits simultanément dans le récipient (1).
  13. Procédé selon une des revendications 8 à 12, dans lequel le rouleau (11) appuyé sur le rebord de fermeture (4) est entraîné en rotation par le mouvement relatif de l'outil (10) et du récipient (1) de manière à ce que le rouleau (11) se déplace sur un niveau (31) formé vers le haut.
  14. Procédé selon une des revendications 8 à 12, dans lequel le rouleau (11) appuyé sur le rebord de fermeture (4) est entraîné en rotation par le mouvement relatif de l'outil (10) et du récipient (1) de manière à ce que le rouleau (11) se déplace sur un niveau formé vers le bas.
  15. Procédé selon la revendication 8, dans lequel dans la caractéristique (e) le rebord de fermeture (4) est fixé sur la partie d'extrémité supérieure du côté intérieur de récipient (5) et l'orifice (2) du récipient (1) est fermé de manière étanche.
EP16763313.0A 2015-07-24 2016-07-25 Procédé et outil de fermeture étanche d'un récipient et récipient fermé de façon étanche Active EP3325349B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015112108 2015-07-24
PCT/IB2016/054409 WO2017017588A2 (fr) 2015-07-24 2016-07-25 Procédé, outil et dispositif de fermeture étanche d'un récipient et récipient fermé de façon étanche

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EP3325349A2 EP3325349A2 (fr) 2018-05-30
EP3325349B1 true EP3325349B1 (fr) 2021-09-15

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US (1) US11590554B2 (fr)
EP (1) EP3325349B1 (fr)
CN (1) CN108025820B (fr)
BR (1) BR112018000948A2 (fr)
ES (1) ES2899214T3 (fr)
HU (1) HUE056526T2 (fr)
RU (2) RU2724548C2 (fr)
WO (1) WO2017017588A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021242978A1 (fr) * 2020-05-28 2021-12-02 Sonoco Development, Inc. Systèmes et procédés pour l'application à grande vitesse de fermetures d'extrémité à base de papier sur des récipients composites

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US231917A (en) * 1880-09-07 Tyc m a tai
GB173610A (en) * 1920-10-04 1922-01-04 Isidor Newman Improvements in or relating to tools for closing cans or the like
GB723556A (en) * 1952-02-19 1955-02-09 Donovan Clarke A machine for closing cans particularly suitable for domestic use
DE2129805A1 (de) * 1971-06-16 1972-12-21 Hamac Hansella Gmbh Verfahren und Vorrichtung zum Verschliessen eines Behaelters mit einem Deckel
AU6218573A (en) * 1972-11-22 1975-05-08 Preston H R 5 gallon drum cold vacuum closer
SU591404A1 (ru) * 1976-06-14 1978-02-05 Ждановский Завод Технологического Оборудования Медицинской Промышленности Устройство дл укоповки сосудов
EP0007487B1 (fr) * 1978-07-10 1981-11-11 Del Bon, Franco Boîte scellée et élément de fermeture préformé ainsi que procédé et dispositifs pour leur fabrication
UA16065A1 (uk) * 1989-10-03 1997-08-29 Віктор Якович Горинін Пристрій для закупорюваhhя скляhої тари металевими кришками
UA20005A (uk) * 1993-06-30 1997-12-25 Науково-Дослідний І Проектно-Конструкторський Інститут "Консервпромкомплекс" Пристрій для закачуваhhя металевих кришок hа скляhих баhках
KR20050038655A (ko) * 1995-04-02 2005-04-27 베르너 그라버 박막 밀봉 막을 가지는 판금 캔
GB2337740B (en) 1998-05-26 2000-11-15 Spreckelsen Mcgeough Ltd Fluid packaging
RU20307U1 (ru) * 2001-04-16 2001-10-27 Общество с ограниченной ответственностью "Водолей 2001" Устройство для укупорки тары
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RU130593U1 (ru) * 2013-02-19 2013-07-27 Общество с ограниченной ответственностью "Эн Зет Профф" Укупорочное устройство

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Publication number Publication date
BR112018000948A2 (pt) 2018-09-04
RU2018100144A3 (fr) 2020-01-22
WO2017017588A2 (fr) 2017-02-02
CN108025820A (zh) 2018-05-11
CN108025820B (zh) 2021-11-02
US20180297104A1 (en) 2018-10-18
WO2017017588A3 (fr) 2017-03-23
RU2018100144A (ru) 2019-08-27
ES2899214T3 (es) 2022-03-10
WO2017017588A9 (fr) 2019-01-03
RU2765254C1 (ru) 2022-01-27
US11590554B2 (en) 2023-02-28
EP3325349A2 (fr) 2018-05-30
HUE056526T2 (hu) 2022-02-28
RU2724548C2 (ru) 2020-06-23

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