EP3960641A1 - Method and device for packaging an object - Google Patents
Method and device for packaging an object Download PDFInfo
- Publication number
- EP3960641A1 EP3960641A1 EP21193455.9A EP21193455A EP3960641A1 EP 3960641 A1 EP3960641 A1 EP 3960641A1 EP 21193455 A EP21193455 A EP 21193455A EP 3960641 A1 EP3960641 A1 EP 3960641A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- sealing
- edges
- folding
- semi
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims description 20
- 238000009966 trimming Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009957 hemming Methods 0.000 abstract description 14
- 239000011888 foil Substances 0.000 abstract description 10
- 235000013305 food Nutrition 0.000 description 14
- 235000019219 chocolate Nutrition 0.000 description 4
- 238000004826 seaming Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
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- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
-
- 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
- B65B25/00—Packaging other articles presenting special problems
- B65B25/005—Packaging other articles presenting special problems packaging of confectionery
-
- 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
- B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
- B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
- B65B47/06—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure using folding dies
-
- 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
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
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- 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
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/164—Securing by heat-sealing
-
- 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
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/165—Securing by deformation of the web material
Definitions
- the invention relates to a method for packaging an object, the object being inserted between two semi-finished films of a film packaging, according to the type defined in more detail in the preamble of claim 1.
- the invention also relates to a device for packaging an object, the object being inserted between two semi-finished films arranged in a film package, according to the preamble of claim 5.
- a generic method and a corresponding device are from EP 3 250 469 B1 famous.
- EP 2 765 081 A1 describes a method for producing packaging for a food product, in which the food product is placed in a cavity of the packaging that is formed by two receiving sections and is surrounded by a flange. A sealing region hermetically enclosing the cavity is formed on the flange.
- a wrapper of film material for a food product is from US Pat DE 10 2011 002 754 A1 famous.
- One casing part is connected to another casing part along a connecting seam in order to form a gas-tight, sealed interior space for accommodating the food product.
- the DE 10 2017 129 969 A1 describes a method and a device for mechanically sealing a package for food products.
- the DE 10 2018 219 300 B4 describes a device and a method for wrapping a food product in a packaging tray, which has a seaming device for seaming a flange with edge sections that abut one another and a sealing device for sealing the flange.
- the sealing device is provided by part of the folding device and a sealing seam is generated when a distal flange section is raised during the folding process.
- the method according to the invention in which the edges of the foil packaging are folded after sealing, can be carried out very easily and delivers very precise results with a high degree of repeat accuracy, so that the packaging produced with it also satisfies high demands.
- the advantage here is that the hemming tool is moved counter to the direction in which the holding tool applies the holding force for the hemming.
- the holding tool acts from above so that a linear movement of the folding tool from below is sufficient to carry out the desired folding. This leads to a simple and with little effort controllable implementation of the method.
- the holding tool ensures that a defined edge is created at the edges of the film packaging when folding.
- the holding tool is formed by a protective bell, which is arranged between the sealing tool and the object during the sealing process, ensures that the film packaging is held securely during the folding process and, on the other hand, high temperatures from the sealing tool are prevented get to the item and affect the quality of the same.
- the edges are folded by means of the folding tool at an angle of approximately 90° around the protective bell after the sealing.
- the packaging can be folded at the edges with comparatively little effort, with the protective bell, in addition to its function of protecting the object to be packaged from excessive heat introduced by the sealing tool, also moving in a linear movement counter to the Direction in which the protective bell applies the holding force, moving folding tool cooperates to bring about the folding of the edges of the film packaging.
- the protective bell has three functions in this case, namely holding the film packaging, protecting the object and interacting with the seaming tool.
- the process is simplified if the edges are trimmed by means of a cutting tool during sealing or immediately before sealing. Furthermore, this procedure ensures the creation of a high-quality film packaging.
- a further advantageous embodiment of the invention can consist in the object held between the two semi-finished film products being moved at times continuously and at times discontinuously between individual method steps by means of a lower tool.
- This enables the method to be carried out more simply, since a continuous or a discontinuous movement of the lower tool is possible depending on the complexity of the individual method steps.
- the individual process steps can be carried out on several workstations be distributed.
- the time for carrying out the work steps can be divided up and significantly reduced.
- the cycle performance of the machines can be significantly increased.
- a device for packaging an object according to the invention is defined in claim 5.
- the device according to the invention can have a relatively simple and therefore both inexpensive and reliable structure, essentially requiring a sealing tool for connecting the edges by means of seals, a folding tool for folding the edges after sealing and a holding tool for holding the semi-finished film during folding .
- the device according to the invention can thus be adapted to the respective requirements of a specific object or a desired film packaging for the object.
- the protective bell forming the holding tool performs two functions, namely holding the semi-finished film during folding and protecting the object to be packaged from excessive heat introduced by the sealing tool.
- a further folding tool can be provided for folding the edges again by an angle of approximately 90°.
- a cutting tool can be provided for trimming the edges during sealing or immediately before sealing. This enables easy and reliable trimming of the edges of the film packaging.
- the cutting tool can be simply heated via the sealing tool in order to be able to trim the edges at a higher temperature.
- the device can be adapted to the respective circumstances of the method carried out with the device, in particular with regard to complex or less complex method steps.
- the object 1 shows a device 1 for packaging an object 2, shown in a very simplified manner.
- the object 2 is a food product, such as a hollow chocolate figure, such as an Easter bunny, a chocolate egg or the like.
- the device 1 can also be used for packaging other items 2, such as pharmaceutical products, toys, tools and the like.
- the object 2 has a round cross-section.
- the cross section can be significantly more complex and, on the other hand, the cross section of the object 2 can change several times over its length running perpendicular to the plane of the drawing, as is often the case with hollow chocolate figures, for example.
- the object 2 is arranged between two semi-finished film products 3a and 3b of a film packaging 3.
- the introduction of the object 2 between the two semi-finished films 3a and 3b of the film packaging 3 takes place in front of the Figures 1 to 6 illustrated production steps and can be carried out in a manner known per se.
- the lower semi-finished film 3b can be formed first, then the object 2 can be placed in the lower semi-finished film 3b and then the upper semi-finished film 3a can be formed and placed on the food product 2 .
- the semi-finished foils 3a and 3b each have peripheral edges 4a and 4b that protrude over the circumference of the object 2 .
- a sealing layer (not shown) between the edges 4a and 4b of the two semi-finished film products 3a and 3b, the function of which will be explained in more detail at a later point in time.
- the edges 4a and 4b around the circumference of the object 2 can be of different widths in a manner known per se.
- the sealing seam created during sealing can also be a non-planar spatial curve, i.e. it can describe a three-dimensional geometry.
- the object 2 arranged in the film packaging 3 is accommodated in a lower tool 5 which is part of the device 1 .
- the individual components of the upper tool 6 are each described together with their function.
- a hold-down device 7 belonging to the upper tool 6 is moved in the direction marked "x" down to the lower tool 5 until the hold-down device 7 rests on the edges 4a and 4b of the film packaging 3 rests.
- the film packaging 3 and the object 2 arranged therein are held firmly on the lower tool 5 .
- a cutting tool 8 approaches the lower tool 5 in the direction x and cuts in the state of FIG 4 the edges 4a and 4b of the film packaging 3.
- the cutting tool 8 is attached to a sealing tool 9 and moves together with the same in the direction of the lower tool 5.
- the sealing of the edges 4a and 4b of the film package 3 takes place during or immediately after the edges 4a and 4b are trimmed.
- the time offset between the sealing and the cutting depends on the amount by which the cutting tool 8 protrudes downwards in the direction of the lower tool 5 over the sealing tool 9 .
- the cutting process takes place immediately before the sealing process.
- the trimming of the edges 4a and 4b of the film packaging 3 can also take place at a point in time other than that shown.
- the device 1 could be implemented without the cutting tool 8 .
- the sealing tool 9 applies heat to the foil packaging 3, which activates the sealing layer located between the edges 4a and 4b and thus connects the two semi-finished foils 3a and 3b to one another.
- the sealing tool 9 has a heating device, not shown, which can optionally also increase the temperature of the cutting tool 8 .
- the sealing tool 9 also exerts a certain force on the edges 4a and 4b of the film packaging 3.
- the upper tool 6 also has a protective bell 10 which is arranged between the sealing tool 9 and the object 2 at least during the sealing process.
- the protective bell 10 is placed on the foil packaging 3 before the cutting tool 8 hits the foil packaging 3, ie before the edges 4a and 4b are trimmed.
- the protective bell 10 acts in addition to protecting the object 2 possibly from the sealing tool 9 outgoing, high temperatures also as a holding tool to hold the film packaging 3 during the cutting and sealing process.
- the holding tool could have a different shape than that of the protective bell 10 shown, but the function of the holding tool for holding the semi-finished foils 3a and 3b during the folding of the edges 4a and 4b with the holding force would be in principle the same.
- the protective bell 10 is thus moved downwards in direction x independently of the sealing tool 9 with the cutting tool 8 attached thereto and in the present case in front of the sealing tool 9 . Furthermore, the protective bell 10 remains on the film packaging 3 longer than the sealing tool 9 and the cutting tool 8, as will be described below.
- the protective bell 10 can be cooled in a manner not shown and for this purpose can have one or more internal cavities through which a cooling liquid, for example cooling water, is passed can be.
- a cooling liquid for example cooling water
- the hold-down device 7, the sealing tool 9 with the cutting tool 8 and the protective bell 10 can all be moved individually. This can be realized, for example, by an appropriate arrangement and/or length of spring elements, of which two spring elements 11 of the protective bell 10 are shown as an example, so that only one punch (not shown) and one on the stamp acting drive device is required.
- the respective components of the upper tool 6 are then forcibly moved by the combination of the stamp and the spring elements as required by the method.
- the holding-down device 7 and the sealing tool 9 can also be loaded with corresponding spring elements, which for reasons of clarity however, are not shown in the figures. However, it is of course also possible to provide a separate drive device for each component of the upper tool 6 .
- the device 1 also has a hemming tool 12 which is arranged in a recess 13 of the lower tool 5 in the present case.
- the hemming tool 12 is also acted upon by means of spring elements 14 and is moved by a stamp 15 .
- the stamp 15 is firmly connected to the hemming tool 12 or is made in one piece with the same.
- an actuating tool not shown, is provided which is able to push the plunger 15 upwards against the force of the spring elements 14. From a comparison of figures 4 and 5 this movement of the stamp 15 with the folding tool 12 connected to it can be seen.
- the device 1 is therefore a three-part tool with the upper tool 6 , the lower tool 5 and the actuating tool (not shown) provided for actuating the stamp 15 .
- FIG 5 1 shows the hemming process carried out with the hemming tool 12, in which at least the sealed region of the edges 4a and 4b is folded by means of the hemming tool 12 after sealing.
- the semi-finished foils 3a and 3b are held with a holding force in a region of the edges 4a and 4b facing the object 2 by means of the protective bell 10, which in this case forms the holding tool.
- the hemming tool 12 is moved in a linear movement counter to the direction x in which the holding tool, in this case the protective bell 10, applies the holding force.
- the holding force is applied from above by the holding tool or by the protective bell 10
- the hemming tool 12 is moved from bottom to top to carry out the hemming movement.
- the sealing has already ended and the sealing tool 9 has moved into a position that is raised relative to the lower tool 5 .
- the edges 4a and 4b are folded by about 90°.
- the protective bell 10 forms a counter bearing, so that the edges 4a and 4b are folded around the protective bell 10.
- the protective bell 10 is therefore used to hold the film packaging 3, protects the object 2 from excessive heat from the sealing tool 9 and cooperates with the folding tool 12 when folding the edges 4a and 4b.
- the result of the folding process is in 6 shown, in which both the folding tool 12 and all components of the upper tool 6 back into position according to 1 were proceeded.
- edges 4a and 4b can be folded again by an angle of approx. 90° using a further folding tool (not shown), so that the in 6 upstanding portions of the edges 4a and 4b rest on the object 2 facing portions of the edges 4a and 4b.
- the lower tool 5 can serve as a carrier for the object 2 and can be moved in this function at times continuously and at times discontinuously will. Accordingly, various further forming processes, not described here, can be carried out on the film packaging 3 on the lower tool 5 .
- All tools of the device 1, in this case the hold-down device 7, the cutting tool 8, the sealing tool 9, the protective bell 10 and the folding tool 12 have a contour adapted to the contour of the object 2, which cannot be seen in the sectional views.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
Bei einem Verfahren zum Verpacken eines Gegenstands (2) wird der Gegenstand (2) zwischen zwei Folienhalbzeugen (3a,3b) einer Folienverpackung (3) angeordnet, welche jeweilige umlaufende, über den Gegenstand (2) umfangsseitig überstehende Ränder (4a,4b) aufweisen. Zumindest in einzelnen Bereichen befindet sich zwischen den Rändern (4a,4b) der beiden Folienhalbzeuge (3a,3b) eine Siegelschicht. Die Ränder (4a,4b) werden mittels eines Siegelwerkzeugs (9) durch Siegeln miteinander verbunden. Zumindest der gesiegelte Bereich der Ränder (4a,4b) wird nach dem Siegeln mittels eines Falzwerkzeugs (12) gefalzt. Die Folienhalbzeuge (3a,3b) werden während des Falzens an einem dem Gegenstand (2) zugewandten Bereich der Ränder (4a,4b) mittels wenigstens eines durch eine während des Siegelns zwischen dem Siegelwerkzeug (9) und dem Gegenstand (2) angeordnete Schutzglocke (10) gebildeten Haltewerkzeugs mit einer Haltekraft gehalten. Das Falzwerkzeug (12) wird zum Falzen in einer linearen Bewegung entgegen der Richtung (x) bewegt, in der das Haltewerkzeug die Haltekraft aufbringt.In a method for packaging an object (2), the object (2) is arranged between two semi-finished film products (3a, 3b) of a film packaging (3), each of which has surrounding edges (4a, 4b) that project over the circumference of the object (2). . There is a sealing layer between the edges (4a, 4b) of the two semi-finished film products (3a, 3b) at least in individual areas. The edges (4a, 4b) are connected to one another by sealing using a sealing tool (9). At least the sealed area of the edges (4a, 4b) is folded using a folding tool (12) after sealing. During the folding process, the semi-finished foils (3a, 3b) are held in a region of the edges (4a, 4b) facing the object (2) by means of at least one protective bell ( 10) formed holding tool held with a holding force. The hemming tool (12) is moved for hemming in a linear movement opposite to the direction (x) in which the holding tool applies the holding force.
Description
Die Erfindung betrifft ein Verfahren zum Verpacken eines Gegenstands, wobei der Gegenstand zwischen zwei Folienhalbzeuge einer Folienverpackung eingebracht wird, nach der im Oberbegriff von Anspruch 1 näher definierten Art. Des Weiteren betrifft die Erfindung eine Vorrichtung zum Verpacken eines Gegenstands, wobei der Gegenstand zwischen zwei Folienhalbzeugen einer Folienverpackung angeordnet ist, gemäß dem Oberbegriff von Anspruch 5.The invention relates to a method for packaging an object, the object being inserted between two semi-finished films of a film packaging, according to the type defined in more detail in the preamble of
Ein gattungsgemäßes Verfahren und eine entsprechende Vorrichtung sind aus der
In der
Eine Hülle aus einem Folienmaterial für ein Lebensmittelprodukt ist aus der
Die
Aus der
Eine weitere Verpackung für ein Lebensmittelprodukt ist in der
Des Weiteren ist aus der
Die
Die bekannten Lösungen sind häufig recht komplex und führen, sowohl was die Qualität der damit hergestellten Verpackung als auch die Geschwindigkeit bei der Durchführung des Verfahrens anbelangt, nicht immer zu optimalen Lösungen.The known solutions are often quite complex and do not always lead to optimal solutions, both as regards the quality of the packaging produced with them and the speed at which the method is carried out.
Es ist daher Aufgabe der vorliegenden Erfindung, ein Verfahren zum Verpacken eines Gegenstands zu schaffen, das einfach auszuführen ist und qualitativ hochwertige Ergebnisse bereitstellt. Des Weiteren ist es Aufgabe der vorliegenden Erfindung, eine Vorrichtung zum Verpacken eines Gegenstands zu schaffen, die einen einfachen Aufbau aufweist und eine zuverlässige Arbeitsweise garantiert.It is therefore an object of the present invention to provide a method for packaging an object that is easy to carry out and provides high-quality results. Furthermore, it is an object of the present invention to create a device for packaging an object that has a simple structure and guarantees reliable operation.
Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 genannten Merkmale gelöst.According to the invention, this object is achieved by the features mentioned in
Das erfindungsgemäße Verfahren, bei dem die Ränder der Folienverpackung nach dem Siegeln gefalzt werden, lässt sich sehr einfach durchführen und liefert mit einer hohen Wiederholgenauigkeit sehr exakte Ergebnisse, so dass die damit hergestellte Verpackung auch hohen Ansprüchen genügt.The method according to the invention, in which the edges of the foil packaging are folded after sealing, can be carried out very easily and delivers very precise results with a high degree of repeat accuracy, so that the packaging produced with it also satisfies high demands.
Dabei ist von Vorteil, dass das Falzwerkzeug zum Falzen entgegen der Richtung bewegt wird, in der das Haltewerkzeug die Haltekraft aufbringt. Das Haltewerkzeug wirkt dabei von oben, so dass eine lineare Bewegung des Falzwerkzeugs von unten ausreicht, um die gewünschte Falzung durchzuführen. Dies führt zu einer einfachen und mit geringem Aufwand steuerbaren Durchführung des Verfahrens. Des Weiteren sorgt das Haltewerkzeug dafür, dass beim Falzen eine definierte Kante an den Rändern der Folienverpackung entsteht.The advantage here is that the hemming tool is moved counter to the direction in which the holding tool applies the holding force for the hemming. The holding tool acts from above so that a linear movement of the folding tool from below is sufficient to carry out the desired folding. This leads to a simple and with little effort controllable implementation of the method. Furthermore, the holding tool ensures that a defined edge is created at the edges of the film packaging when folding.
Dadurch, dass das Haltewerkzeug durch eine Schutzglocke gebildet wird, die während des Siegelns zwischen dem Siegelwerkzeug und dem Gegenstand angeordnet wird, ist zum einen ein sicherer Halt der Folienverpackung während des Falzens gewährleistet und es wird zum anderen verhindert, dass von dem Siegelwerkzeug ausgehende hohe Temperaturen zu dem Gegenstand gelangen und die Qualität desselben beeinträchtigen können.The fact that the holding tool is formed by a protective bell, which is arranged between the sealing tool and the object during the sealing process, ensures that the film packaging is held securely during the folding process and, on the other hand, high temperatures from the sealing tool are prevented get to the item and affect the quality of the same.
In einer sehr vorteilhaften Weiterbildung der Erfindung kann vorgesehen sein, dass die Ränder mittels des Falzwerkzeugs nach dem Siegeln um einen Winkel von ca. 90° um die Schutzglocke gefalzt werden. Auf diese Weise lässt sich mit vergleichsweise geringem Aufwand eine Falzung der Verpackung an den Rändern erreichen, wobei die Schutzglocke neben ihrer Funktion als Schutz des zu verpackenden Gegenstands vor einer zu starken, durch das Siegelwerkzeug eingebrachten Wärmeeinwirkung auch mit dem sich in einer linearen Bewegung entgegen der Richtung, in der die Schutzglocke die Haltekraft aufbringt, bewegenden Falzwerkzeug zusammenwirkt, um die Falzung der Ränder der Folienverpackung zu bewirken. Demnach hat die Schutzglocke in diesem Fall drei Funktionen, nämlich das Halten der Folienverpackung, das Schützen des Gegenstands und das Zusammenwirken mit dem Falzwerkzeug.In a very advantageous development of the invention, it can be provided that the edges are folded by means of the folding tool at an angle of approximately 90° around the protective bell after the sealing. In this way, the packaging can be folded at the edges with comparatively little effort, with the protective bell, in addition to its function of protecting the object to be packaged from excessive heat introduced by the sealing tool, also moving in a linear movement counter to the Direction in which the protective bell applies the holding force, moving folding tool cooperates to bring about the folding of the edges of the film packaging. Accordingly, the protective bell has three functions in this case, namely holding the film packaging, protecting the object and interacting with the seaming tool.
Eine Vereinfachung des Verfahrens ergibt sich, wenn die Ränder während des Siegelns oder unmittelbar vor dem Siegeln mittels eines Schneidwerkzeugs beschnitten werden. Des Weiteren stellt diese Vorgehensweise die Entstehung einer qualitativ hochwertigen Folienverpackung sicher.The process is simplified if the edges are trimmed by means of a cutting tool during sealing or immediately before sealing. Furthermore, this procedure ensures the creation of a high-quality film packaging.
Eine weitere vorteilhafte Ausgestaltung der Erfindung kann darin bestehen, dass der zwischen den zwei Folienhalbzeugen aufgenommene Gegenstand zwischen einzelnen Verfahrensschritten mittels eines Unterwerkzeugs zeitweise kontinuierlich und zeitweise diskontinuierlich bewegt wird. Dies ermöglicht eine einfachere Durchführung des Verfahrens, da in Abhängigkeit von der Komplexität der einzelnen Verfahrensschritte eine kontinuierliche oder eine diskontinuierliche Bewegung des Unterwerkzeugs möglich ist. Die einzelnen Verfahrensschritte können auf diese Weise auf mehrere Arbeitsstationen verteilt werden. Dadurch kann die Zeit für die Durchführung der Arbeitsschritte aufgeteilt und wesentlich reduziert werden. Hierdurch kann die Taktleistung der Maschinen wesentlich erhöht werden.A further advantageous embodiment of the invention can consist in the object held between the two semi-finished film products being moved at times continuously and at times discontinuously between individual method steps by means of a lower tool. This enables the method to be carried out more simply, since a continuous or a discontinuous movement of the lower tool is possible depending on the complexity of the individual method steps. In this way, the individual process steps can be carried out on several workstations be distributed. As a result, the time for carrying out the work steps can be divided up and significantly reduced. As a result, the cycle performance of the machines can be significantly increased.
Eine erfindungsgemäße Vorrichtung zum Verpacken eines Gegenstands_ist in Anspruch 5 angegeben.A device for packaging an object according to the invention is defined in
Die erfindungsgemäße Vorrichtung kann einen relativ einfachen und damit sowohl kostengünstigen als auch zuverlässigen Aufbau aufweisen, wobei im Wesentlichen ein Siegelwerkzeug zum Verbinden der Ränder mittels Siegeln, ein Falzwerkzeug zum Falzen der Ränder nach dem Siegeln und ein Haltewerkzeug zum Halten der Folienhalbzeuge während des Falzens erforderlich sind.The device according to the invention can have a relatively simple and therefore both inexpensive and reliable structure, essentially requiring a sealing tool for connecting the edges by means of seals, a folding tool for folding the edges after sealing and a holding tool for holding the semi-finished film during folding .
Die erfindungsgemäße Vorrichtung kann dadurch auf die jeweiligen Erfordernisse eines bestimmten Gegenstands bzw. einer gewünschten Folienverpackung für den Gegenstand angepasst werden.The device according to the invention can thus be adapted to the respective requirements of a specific object or a desired film packaging for the object.
Dabei nimmt die das Haltewerkzeug bildende Schutzglocke zwei Funktionen wahr, nämlich das Halten der Folienhalbzeuge während des Falzens und den Schutz des zu verpackenden Gegenstands vor einer zu starken, durch das Siegelwerkzeug eingebrachten Wärmeeinwirkung.The protective bell forming the holding tool performs two functions, namely holding the semi-finished film during folding and protecting the object to be packaged from excessive heat introduced by the sealing tool.
Um eine noch bessere Folienverpackung erzeugen zu können, kann in einer vorteilhaften Ausgestaltung der erfindungsgemäßen Vorrichtung ein weiteres Falzwerkzeug zum nochmaligen Falzen der Ränder um einen Winkel von ca. 90° vorgesehen sein.In order to be able to produce an even better film packaging, in an advantageous embodiment of the device according to the invention, a further folding tool can be provided for folding the edges again by an angle of approximately 90°.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung kann ein Schneidwerkzeug zum Beschneiden der Ränder während des Siegelns oder unmittelbar vor dem Siegeln vorgesehen sein. Dies ermöglicht ein einfaches und zuverlässiges Beschneiden der Ränder der Folienverpackung.In a further advantageous embodiment of the invention, a cutting tool can be provided for trimming the edges during sealing or immediately before sealing. This enables easy and reliable trimming of the edges of the film packaging.
Wenn in diesem Zusammenhang das Schneidwerkzeug fest mit dem Siegelwerkzeug verbunden ist, so kann eine einfache Beheizung des Schneidwerkzeugs über das Siegelwerkzeug erfolgen, um das Beschneiden der Ränder mit einer höheren Temperatur durchführen zu können.If, in this connection, the cutting tool is firmly connected to the sealing tool, the cutting tool can be simply heated via the sealing tool in order to be able to trim the edges at a higher temperature.
Des Weiteren kann vorgesehen sein, dass das Falzwerkzeug in einem Unterwerkzeug angeordnet ist, welches dafür vorgesehen ist, den zwischen den zwei Folienhalbzeugen aufgenommenen Gegenstand zwischen einzelnen Verfahrensschritten zeitweise kontinuierlich und zeitweise diskontinuierlich zu bewegen. Auf diese Weise kann die Vorrichtung an die jeweiligen Gegebenheiten des mit der Vorrichtung durchgeführten Verfahrens, insbesondere im Hinblick auf komplexe oder weniger komplexe Verfahrensschritte, angepasst werden.Provision can furthermore be made for the hemming tool to be arranged in a lower tool which is intended to move the object held between the two semi-finished film products between individual method steps, at times continuously and at times discontinuously. In this way, the device can be adapted to the respective circumstances of the method carried out with the device, in particular with regard to complex or less complex method steps.
Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand der Zeichnung prinzipmäßig dargestellt:
Es zeigt:
- Fig. 1
- einen ersten Schritt des erfindungsgemäßen Verfahrens mit einer erfindungsgemäßen Vorrichtung;
- Fig. 2
- einen zweiten Schritt des erfindungsgemäßen Verfahrens;
- Fig. 3
- einen dritten Schritt des erfindungsgemäßen Verfahrens;
- Fig. 4
- einen vierten Schritt des erfindungsgemäßen Verfahrens;
- Fig. 5
- einen fünften Schritt des erfindungsgemäßen Verfahrens; und
- Fig. 6
- einen sechsten Schritt des erfindungsgemäßen Verfahrens.
It shows:
- 1
- a first step of the method according to the invention with a device according to the invention;
- 2
- a second step of the method according to the invention;
- 3
- a third step of the method according to the invention;
- 4
- a fourth step of the method according to the invention;
- figure 5
- a fifth step of the method according to the invention; and
- 6
- a sixth step of the method according to the invention.
Der Gegenstand 2 ist zwischen zwei Folienhalbzeugen 3a und 3b einer Folienverpackung 3 angeordnet. Das Einbringen des Gegenstands 2 zwischen die beiden Folienhalbzeuge 3a und 3b der Folienverpackung 3 findet vor den in den
Die Folienhalbzeuge 3a und 3b weisen jeweilige umlaufende, über den Gegenstand 2 umfangsseitig überstehende Ränder 4a und 4b auf. Zumindest in einzelnen Bereichen befindet sich zwischen den Rändern 4a und 4b der beiden Folienhalbzeuge 3a und 3b eine nicht dargestellte Siegelschicht, deren Funktion zu einem späteren Zeitpunkt näher erläutert wird. Aufgrund der üblicherweise nicht symmetrischen Außenkontur des Gegenstands 2 können die Ränder 4a und 4b um den Umfang des Gegenstands 2 in an sich bekannter Weise unterschiedlich breit sein. Die bei dem Siegeln entstehende Siegelnaht kann auch eine nicht ebene Raumkurve sein, d.h. sie kann eine dreidimensionale Geometrie beschreiben.The semi-finished foils 3a and 3b each have
Der in der Folienverpackung 3 angeordnete Gegenstand 2 ist in einem Unterwerkzeug 5, das Teil der Vorrichtung 1 ist, aufgenommen. Das Unterwerkzeug 5, das auch als Matrize bezeichnet werden kann, arbeitet mit einem mehrteiligen Oberwerkzeug 6 zusammen, von dem sich in der Position von
So wird in dem Verfahrensschritt von
Anschließend fährt, wie in
Beim Siegeln der Ränder 4a und 4b der Folienverpackung 3 wird durch das Siegelwerkzeug 9 Wärme auf die Folienverpackung 3 aufgebracht, wodurch die sich zwischen den Rändern 4a und 4b befindende Siegelschicht aktiviert wird und somit die beiden Folienhalbzeuge 3a und 3b miteinander verbindet. Hierzu weist das Siegelwerkzeug 9 eine nicht dargestellte Heizeinrichtung auf, die gegebenenfalls auch die Temperatur des Schneidwerkzeugs 8 erhöhen kann. Des Weiteren wirkt das Siegelwerkzeug 9 auch mit einer gewissen Kraft auf die Ränder 4a und 4b der Folienverpackung 3.When sealing the
Um bei diesem Einbringen von Wärme Beeinträchtigungen bzw. Beschädigungen des Gegenstands 2 zu verhindern, weist das Oberwerkzeug 6 des Weiteren eine Schutzglocke 10 auf, die zumindest während des Siegelns zwischen dem Siegelwerkzeug 9 und dem Gegenstand 2 angeordnet wird. Wie in
In einer nicht zu der Erfindung gehörenden Ausführungsform wäre es auch möglich, die Funktion der Schutzglocke 10 von der Funktion des Haltewerkzeugs zu trennen, beispielsweise indem ein zusätzliches Haltewerkzeug eingesetzt würde. Des Weiteren ist es bei bestimmten Gegenständen möglich, auf die Schutzglocke 10 zu verzichten. In diesem Fall könnte das Haltewerkzeug eine andere Form als diejenige der dargestellten Schutzglocke 10 aufweisen, die Funktion des Haltewerkzeugs zum Halten der Folienhalbzeuge 3a und 3b während des Falzens der Ränder 4a und 4b mit der Haltekraft wäre jedoch im Prinzip dieselbe.In an embodiment not belonging to the invention, it would also be possible to separate the function of the
Die Schutzglocke 10 wird also unabhängig von dem Siegelwerkzeug 9 mit dem daran angebrachten Schneidwerkzeug 8 und im vorliegenden Fall vor dem Siegelwerkzeug 9 in Richtung x nach unten bewegt. Des Weiteren bleibt die Schutzglocke 10, wie nachfolgend noch beschrieben wird, länger auf der Folienverpackung 3 als das Siegelwerkzeug 9 und das Schneidwerkzeug 8.The
Um die Schutzwirkung für den Gegenstand 2 zu erhöhen, insbesondere wenn es sich dabei um eine Schokoladenhohlfigur handelt, kann die Schutzglocke 10 in nicht dargestellter Weise gekühlt werden und hierzu beispielsweise einen oder mehrere innere Hohlräume aufweisen, durch die eine Kühlflüssigkeit, zum Beispiel Kühlwasser, geleitet werden kann.In order to increase the protective effect for the
Der Niederhalter 7, das Siegelwerkzeug 9 mit dem Schneidwerkzeug 8 und die Schutzglocke 10 können dabei alle einzeln verfahren werden. Dies kann, zum Beispiel durch eine entsprechende Anordnung und/oder Länge von Federelementen, von denen zwei Federelemente 11 der Schutzglocke 10 beispielhaft dargestellt sind, so realisiert werden, dass für den Antrieb dieser einzelnen Bauteile des Oberwerkzeugs 6 lediglich ein nicht dargestellter Stempel und eine auf den Stempel wirkende Antriebseinrichtung erforderlich ist. Die jeweiligen Bauteile des Oberwerkzeugs 6 werden dann durch die Kombination des Stempels und der Federelemente zwangsweise so bewegt, wie das Verfahren dies erfordert. Auch der Niederhalter 7 und das Siegelwerkzeug 9 können mit entsprechenden Federelementen beaufschlagt sein, die aus Übersichtlichkeitsgründen in den Figuren jedoch nicht dargestellt sind. Selbstverständlich ist es jedoch auch möglich, für jedes Bauteil des Oberwerkzeugs 6 eine separate Antriebseinrichtung vorzusehen.The hold-down
Die Vorrichtung 1 weist des Weiteren ein Falzwerkzeug 12 auf, das im vorliegenden Fall in einer Ausnehmung 13 des Unterwerkzeugs 5 angeordnet ist. Auch das Falzwerkzeug 12 ist mittels Federelementen 14 beaufschlagt und wird von einem Stempel 15 bewegt. Der Stempel 15 ist fest mit dem Falzwerkzeug 12 verbunden oder einteilig mit demselben ausgeführt. Zur Betätigung des Stempels 15 ist ein nicht dargestelltes Betätigungswerkzeug vorgesehen, das in der Lage ist, den Stempel 15 entgegen der Kraft der Federelemente 14 nach oben zu drücken. Aus einem Vergleich der
Bei der Vorrichtung 1 handelt es sich demnach um ein dreiteiliges Werkzeug mit dem Oberwerkzeug 6, dem Unterwerkzeug 5 und dem nicht dargestellten, zur Betätigung des Stempels 15 vorgesehenen Betätigungswerkzeug.The
In
Bei dem in
Nach dem in
Bei der gesamten Bewegung des Unterwerkzeugs 5 in einer die Vorrichtung 1 beinhaltenden Maschine, in der das gesamte Verfahren zum Verpacken des Gegenstands 2 durchgeführt wird, kann das Unterwerkzeug 5 als Träger für den Gegenstand 2 dienen und kann in dieser Funktion zeitweise kontinuierlich und zeitweise diskontinuierlich bewegt werden. Auf dem Unterwerkzeug 5 können demnach verschiedene weitere, hierin nicht beschriebene Umformvorgänge an der Folienverpackung 3 vorgenommen werden.During the entire movement of the
Sämtliche Werkzeuge der Vorrichtung 1, in diesem Fall der Niederhalter 7, das Schneidwerkzeug 8, das Siegelwerkzeug 9, die Schutzglocke 10 und das Falzwerkzeug 12 weisen eine an die Kontur des Gegenstands 2 angepasste Kontur auf, was in den Schnittdarstellungen nicht erkennbar ist.All tools of the
Claims (9)
dadurch gekennzeichnet, dass
zumindest der gesiegelte Bereich der Ränder (4a,4b) nach dem Siegeln mittels eines Falzwerkzeugs (12) gefalzt wird, wobei die Folienhalbzeuge (3a,3b) während des Falzens an einem dem Gegenstand (2) zugewandten Bereich der Ränder (4a,4b) mittels wenigstens eines durch eine während des Siegelns zwischen dem Siegelwerkzeug (9) und dem Gegenstand (2) angeordnete Schutzglocke (10) gebildeten Haltewerkzeugs mit einer Haltekraft gehalten werden, und wobei das Falzwerkzeug (12) zum Falzen in einer linearen Bewegung entgegen der Richtung (x) bewegt wird, in der das Haltewerkzeug die Haltekraft aufbringt.Method for packaging an object (2), wherein the object (2) is arranged between two semi-finished film products (3a, 3b) of a film packaging (3) which each have peripheral edges (4a, 4b) projecting over the object (2). , wherein a sealing layer is provided at least in individual areas between the edges (4a, 4b) of the two semi-finished film products (3a, 3b), and wherein the edges (4a, 4b) are connected to one another by sealing using a sealing tool (9),
characterized in that
at least the sealed area of the edges (4a, 4b) is folded by means of a folding tool (12) after sealing, the semi-finished film products (3a, 3b) being folded on an area of the edges (4a, 4b) facing the object (2) during folding are held with a holding force by means of at least one holding tool formed by a protective bell (10) arranged between the sealing tool (9) and the object (2) during the sealing, and wherein the folding tool (12) for folding in a linear movement counter to the direction ( x) is moved, in which the holding tool applies the holding force.
dadurch gekennzeichnet, dass
die Ränder (4a,4b) mittels des Falzwerkzeugs (12) nach dem Siegeln um einen Winkel von ca. 90° um die Schutzglocke (10) gefalzt werden.Method according to claim 1,
characterized in that
the edges (4a, 4b) are folded by means of the folding tool (12) at an angle of approx. 90° around the protective bell (10) after the sealing.
dadurch gekennzeichnet, dass
die Ränder (4a,4b) während des Siegelns oder unmittelbar vor dem Siegeln mittels eines Schneidwerkzeugs (8) beschnitten werden.Method according to claim 1 or 2,
characterized in that
the edges (4a, 4b) are trimmed by means of a cutting tool (8) during the sealing or immediately before the sealing.
dadurch gekennzeichnet, dass
der zwischen den zwei Folienhalbzeugen (3a,3b) aufgenommene Gegenstand (2) zwischen einzelnen Verfahrensschritten mittels eines Unterwerkzeugs (5) zeitweise kontinuierlich und zeitweise diskontinuierlich bewegt wird.Method according to one of claims 1 to 3,
characterized in that
the object (2) held between the two semi-finished film products (3a, 3b) is moved at times continuously and at times discontinuously between individual process steps by means of a lower tool (5).
gekennzeichnet durch
ein Falzwerkzeug (12) zum Falzen zumindest des gesiegelten Bereichs der Ränder (4a,4b) nach dem Siegeln, und ein durch eine während des Siegelns zwischen dem Siegelwerkzeug (9) und dem Gegenstand (2) angeordnete Schutzglocke (10) gebildetes Haltewerkzeug zum Halten der Folienhalbzeuge (3a,3b) während des Falzens mit einer Haltekraft an einem dem Gegenstand (2) zugewandten Bereich der Ränder (4a,4b), wobei das Falzwerkzeug (12) und das Haltewerkzeug derart relativ zueinander angeordnet sind, dass das Falzwerkzeug (12) zum Falzen in einer linearen Bewegung entgegen der Richtung (x) bewegbar ist, in der das Haltewerkzeug die Haltekraft aufbringt.Device (1) for packaging an object (2), the object (2) being arranged between two semi-finished film products (3a, 3b) of a film packaging (3), which have respective peripheral edges (4a, 4b), wherein there is a sealing layer between the edges (4a, 4b) of the two semi-finished film products (3a, 3b) at least in individual areas, with a sealing tool (9) for connecting the edges (4a, 4b) by means of seals,
marked by
a folding tool (12) for folding at least the sealed area of the edges (4a, 4b) after sealing, and a holding tool formed by a protective bell (10) arranged between the sealing tool (9) and the object (2) during sealing for holding of the semi-finished film products (3a, 3b) during folding with a holding force on a region of the edges (4a, 4b) facing the object (2), the folding tool (12) and the holding tool being arranged relative to one another in such a way that the folding tool (12 ) for folding in a linear movement opposite to the direction (x) in which the holding tool applies the holding force.
gekennzeichnet durch
ein weiteres Falzwerkzeug zum nochmaligen Falzen der Ränder (4a,4b) um einen Winkel von ca. 90°.Device (1) according to claim 5,
marked by
another folding tool for folding the edges (4a, 4b) again at an angle of about 90°.
gekennzeichnet durch
ein Schneidwerkzeug (8) zum Beschneiden der Ränder (4a,4b) während des Siegelns oder unmittelbar vor dem Siegeln.Device (1) according to claim 5 or 6,
marked by
a cutting tool (8) for trimming the edges (4a, 4b) during or immediately before sealing.
dadurch gekennzeichnet, dass
das Schneidwerkzeug (8) fest mit dem Siegelwerkzeug (9) verbunden ist.Device (1) according to claim 7,
characterized in that
the cutting tool (8) is firmly connected to the sealing tool (9).
dadurch gekennzeichnet, dass
das Falzwerkzeug (12) in einem Unterwerkzeug (5) angeordnet ist, welches dafür vorgesehen ist, den zwischen den zwei Folienhalbzeugen (3a,3b) aufgenommenen Gegenstand (2) zwischen einzelnen Verfahrensschritten zeitweise kontinuierlich und zeitweise diskontinuierlich zu bewegen.Device (1) according to one of claims 5 to 8,
characterized in that
the folding tool (12) is arranged in a lower tool (5) which is intended to move the object (2) held between the two semi-finished film products (3a, 3b) between individual process steps, at times continuously and at times discontinuously.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102020122536.9A DE102020122536A1 (en) | 2020-08-28 | 2020-08-28 | Method and device for packaging an object |
Publications (3)
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EP3960641A1 true EP3960641A1 (en) | 2022-03-02 |
EP3960641C0 EP3960641C0 (en) | 2023-09-27 |
EP3960641B1 EP3960641B1 (en) | 2023-09-27 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1784647U (en) | 1957-10-31 | 1959-03-05 | Wilhelm Rasch Kommanditgesells | DEVICE FOR APPLYING A TIGHTLY-FITTING COVERING TO PRODUCTS, FOR EXAMPLE FROM THE CHOCOLATE OR SUGAR PRODUCT INDUSTRY. |
DE102011002754A1 (en) | 2011-01-17 | 2012-07-19 | Chocal Aluminiumverpackungen Gmbh | Cover made of film material for a product |
EP2765081A1 (en) | 2013-02-06 | 2014-08-13 | Soremartec S.A. | "Process for making a package for a foodstuff product, in particular a confectionery product" |
DE202017101402U1 (en) | 2016-08-31 | 2017-12-01 | Chocal Aluminiumverpackungen Gmbh | Food packaging with at least one partial shell of a biodegradable plastic material section |
DE102017129969A1 (en) | 2017-12-14 | 2019-06-19 | Stampac Gmbh | packaging device |
EP3250469B1 (en) | 2015-01-30 | 2020-03-11 | Chocal Aluminiumverpackungen GmbH | Method for manufacturing packaging |
DE102018219300B4 (en) | 2018-11-12 | 2020-06-04 | Chocal Aluminiumverpackungen Gmbh | Packing device for packing a food product and method for sealing and folding an edge of a bowl of a food product |
-
2020
- 2020-08-28 DE DE102020122536.9A patent/DE102020122536A1/en active Pending
-
2021
- 2021-08-27 EP EP21193455.9A patent/EP3960641B1/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1784647U (en) | 1957-10-31 | 1959-03-05 | Wilhelm Rasch Kommanditgesells | DEVICE FOR APPLYING A TIGHTLY-FITTING COVERING TO PRODUCTS, FOR EXAMPLE FROM THE CHOCOLATE OR SUGAR PRODUCT INDUSTRY. |
DE102011002754A1 (en) | 2011-01-17 | 2012-07-19 | Chocal Aluminiumverpackungen Gmbh | Cover made of film material for a product |
EP2765081A1 (en) | 2013-02-06 | 2014-08-13 | Soremartec S.A. | "Process for making a package for a foodstuff product, in particular a confectionery product" |
DE202014011245U1 (en) | 2013-02-06 | 2018-10-12 | Ferrero Offene Handelsgesellschaft M.B.H. | Packaging for a food product, in particular a confectionery product |
EP3250469B1 (en) | 2015-01-30 | 2020-03-11 | Chocal Aluminiumverpackungen GmbH | Method for manufacturing packaging |
DE202017101402U1 (en) | 2016-08-31 | 2017-12-01 | Chocal Aluminiumverpackungen Gmbh | Food packaging with at least one partial shell of a biodegradable plastic material section |
DE102017129969A1 (en) | 2017-12-14 | 2019-06-19 | Stampac Gmbh | packaging device |
DE102018219300B4 (en) | 2018-11-12 | 2020-06-04 | Chocal Aluminiumverpackungen Gmbh | Packing device for packing a food product and method for sealing and folding an edge of a bowl of a food product |
Also Published As
Publication number | Publication date |
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EP3960641C0 (en) | 2023-09-27 |
EP3960641B1 (en) | 2023-09-27 |
DE102020122536A1 (en) | 2022-03-03 |
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