EP3344552B1 - Dispositif et procédé de sechage de conditionnements - Google Patents

Dispositif et procédé de sechage de conditionnements Download PDF

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Publication number
EP3344552B1
EP3344552B1 EP16745681.3A EP16745681A EP3344552B1 EP 3344552 B1 EP3344552 B1 EP 3344552B1 EP 16745681 A EP16745681 A EP 16745681A EP 3344552 B1 EP3344552 B1 EP 3344552B1
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EP
European Patent Office
Prior art keywords
packaging
drying
contact
contact element
contact surface
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
EP16745681.3A
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German (de)
English (en)
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EP3344552A1 (fr
Inventor
Markus Commandeur
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.)
SIG Services AG
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SIG Technology AG
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Publication date
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Priority to PL16745681T priority Critical patent/PL3344552T3/pl
Publication of EP3344552A1 publication Critical patent/EP3344552A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B65B3/027—Making containers from separate body and end-parts
    • 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
    • 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
    • B65B51/32—Cooling, or cooling and pressing, package closures after 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/002—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for drying glued or sealed packages
    • 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
    • B65B2051/105—Heat seal temperature control

Definitions

  • the invention relates to a device for drying packaging, in particular composite packaging for foodstuffs, comprising: a conveyor belt with cells for receiving the packaging, and at least one drying device for drying the packaging.
  • the invention also relates to the use of such a device for drying packaging filled with food, in particular for drying composite packaging filled with food.
  • the invention further relates to a method for drying packaging, in particular composite packaging for foodstuffs, comprising the following steps: a) providing a device for drying packaging with a drying device, b) providing packaging preferably formed from packaging sleeves, and c) drying the packaging ,
  • the invention relates to a packaging for foodstuffs, the packaging being made from a multilayer laminate.
  • Packaging can be made in different ways and from a wide variety of materials.
  • a widespread possibility of their production consists in producing a blank from the packaging material, from which folding and further steps first result in a packaging jacket and finally in a packaging.
  • One of the advantages of this type of production is that the blanks are very flat and can therefore be stacked to save space. In this way, the blanks or packing sleeves can be produced at a different location than the folding and filling of the packing sleeves.
  • Composites are often used as the material, for example a composite of several thin layers of paper, cardboard, plastic or metal, especially aluminum. Such packaging is particularly popular in the food industry.
  • Packaging in particular composite packaging, serves as transport and / or protective packaging for foodstuffs, the foodstuffs being able to have liquid or pasty states. Solid particles of a few cubic millimeters in size can also be added to the food.
  • the foodstuffs can be beverages, soups, yoghurt, pudding, sauces or the like.
  • Devices and methods for processing composite packaging for food are for example from the document US 5 829 228 A known.
  • tubes are formed in the axial direction around a filling mandrel from web material drawn off a roll.
  • the hoses are filled in continuous operation and sealed into pillow-like containers.
  • These pillow-like containers are then formed into compact structures, in particular cuboid boxes, in further steps.
  • the fold overhangs which arise in the aforementioned step, which the person skilled in the art often also calls "ears" are applied to the outside of the pack and connected to it, usually welded or glued. This takes place either in an ongoing process, the connection being carried out by a rolling process, or in a clocked process, in which the packaging to be reformed is stopped in a station and pressure is applied to the filled package by a pressing tool.
  • the "ears" it is customary for the "ears" to be folded inwards on the later bottom side of the packaging, that is to say to form part of the intended standing area of the packaging, while the gable-side "ears” are attached to the vertical outer surfaces of the packaging Packaging. Because the packaging and its contents are only sterilized together after complete completion in a so-called autoclaving process, it is relatively easy to fold or put on and then fix the "ears” on the packaging, since the surfaces to be connected are dry and are clean. It is therefore entirely sufficient to melt the outer polymer layer of the laminate and to press the "ears" into the designated areas of the resulting composite packaging. The maximum temperature to be reached in the subsequent sterilization process - that is, in the so-called autoclaving process - then only has to remain below the melting point of the mentioned outer polymer layer of the composite packaging, so that the glued-on ears do not come off again.
  • a laminate present as a web material is also formed into folding boxes, which are also called packing sleeves, in a process step upstream of the filling device.
  • folding boxes or packaging sleeves can then be shaped in a filling device into a relatively stable container which is only open towards the filling nozzle and which in this state is also referred to as a "cup" by a person skilled in the art.
  • cups are then filled in a filling machine - usually equipped with a so-called aseptic zone - and sealed immediately after the filling process by a device for closing a composite packaging filled with an incompressible fluid filling material and formed from a folding box.
  • the device forms part of the filling machine and can be operated with it in a continuous or in a clocked operation.
  • Such a device comprises a plurality of processing stations arranged one after the other, along which a production path is formed.
  • One of these processing stations usually has a drying device with which at least a partial area of the surface of the composite packaging is dried.
  • the production route of the drying device is part of the production route of the filling machine.
  • multi-lane filling machines In so-called “multi-lane filling machines", several production paths are designed in parallel to each other. On its own, however, a production route always includes a large number of processing stations arranged in a row and intermediate paths located between them.
  • the composite packaging that is created or is to be processed is guided past the individual processing stations by means of a transport device, for example a rotary wheel, a conveyor belt or a transport chain.
  • a transport device for example a rotary wheel, a conveyor belt or a transport chain.
  • Devices that are to be operated in a clocked mode differ from devices that are to be operated in a continuous mode in that the transport speed of the composite packaging becomes zero in defined cycles. This means that the packaging then comes to rest within a respective processing station.
  • packaging which takes on a shape in the upper region such that it is necessary to fill it over the side of the packaging which forms the later packaging base. In other words, the packaging must then be passed "upside down” through the filling area.
  • An example of a composite packaging to be produced in this way is the "combidome" packaging of the applicant, which, due to its truncated pyramid-shaped gable area, not only has an appealing appearance but also excellent pouring behavior.
  • Drying devices are known for drying packaging, which dry the already filled and closed packaging with hot air.
  • this method has several disadvantages. Because the generation of hot air is energy-intensive and therefore expensive. The packaging - and its decor - can also be damaged by excessive heat.
  • the invention is based on the object of designing and developing a device described at the outset and explained in more detail above in such a way that damage-free and energy-saving drying of already filled and closed packages is made possible. This drying should take place in particular in the area of the packaging ears.
  • a device according to the invention for drying packaging is initially characterized by a conveyor belt with cells for receiving the packaging.
  • a conveyor belt is understood to mean any suitable means of transportation, for example a conveyor chain or a conveyor belt.
  • the conveyor belt is preferably designed to run all the way round — that is, “endlessly”.
  • Cells are understood to mean any elements which are suitable for carrying packaging, for example clamping elements, frames, containers or the like.
  • the cells are preferably fixed or detachably connected to the conveyor belt.
  • the device is characterized by at least one drying device for drying the packaging. The purpose of the drying device is to reduce or remove moisture from the surface of the packaging.
  • the drying device has at least one contact element with at least one contact surface.
  • the contact element and its contact surface are arranged and designed such that the packaging conveyed by the conveyor belt touches the contact surface of the contact element, the contact surface wiping or wiping moisture off the packaging.
  • the invention is therefore based on the idea of one instead of contactless drying (for example by hot air) to provide touching drying. This has the great advantage that drying can also be carried out safely immediately after sensitive areas, for example the aseptic zone of a filling device. If a plurality of contact surfaces are provided, it is preferred that the contact surfaces are arranged at an angle to one another (for example approximately 90 °). This means that surfaces of the packaging that are at an angle to each other can be dried at the same time.
  • the contact element is preferably movably mounted.
  • the storage can, for example, allow movement with one, two or three degrees of freedom.
  • a degree of freedom is understood to mean the freedom of movement in a translatory or rotational direction about a respective spatial axis.
  • mobility with one degree of freedom has the advantage that the contact element can also act mechanically on a surface of a package to be dried when it is stationary. Even if the packaging moves past the contact element along its transport path, it can be of great advantage if the contact element is movably mounted. As a result, it may be possible, for example, for the contact element to protrude into the intended movement space of the packaging in a rest position and to be displaced from this space by the packaging.
  • the contact element is mounted so as to be pivotable about an axis which is oriented perpendicular to the transport direction / the production path of the packaging.
  • the contact element is then pressed with its own weight against the surface of the packaging to be cleaned and / or dried.
  • the effective weight can optionally be supported by the provision of a spring force.
  • the resulting relative speeds between the contact surface and the surface of the packaging to be dried can greatly support the drying process.
  • the pressure forces can be kept very low, which protects the decor of the surface to be dried.
  • the contact element is preferably designed to be heatable, that is to say heatable and / or coolable, as a result of which, for example, a condensation effect on the contact element, preferably in individual regions of the contact element, can be effectively promoted or prevented.
  • the device can be supplemented by a device for placing protruding ears on the packaging.
  • a device for placing protruding ears on the packaging can not only take on the ears, but also attach the ears to the packaging.
  • the ears are usually attached to the packaging by gluing or welding and therefore require dry and clean surfaces.
  • the combination of a drying device and a device for putting on the ears therefore offers particular advantages.
  • the device for placing the protruding ears is arranged behind the drying device.
  • the drying device has at least two contact elements. Each of these contact elements preferably has at least one contact surface.
  • the drying device has at least two contact elements. Each of these contact elements preferably has at least one contact surface.
  • several contact elements can be dried at the same time. This can be achieved, for example, by the packaging being transported through the drying device in a number of preferably parallel rows.
  • a plurality of contact elements are assigned to the same row of packaging and - viewed in the transport direction - are arranged one behind the other. In this way, each package is dried successively by several contact elements.
  • the contact surface of the contact element is made of plastic, in particular of a particular one Elastomer or a thermoplastic is made.
  • plastics are characterized by high elasticity; Plastic contact surfaces can therefore adapt particularly well to the shape of the packaging surfaces to be dried. This enables the packaging to be dried particularly thoroughly. Another advantage of the elasticity or resilience of many plastics is that the packaging is not damaged despite being touched.
  • plastics can be shaped very variably, so that contact surfaces with complex geometries are also possible. Plastics from the group of elastomers and from the group of thermoplastics have proven to be a particularly suitable material.
  • elastomers particularly rubber-like elastomers come into question, while from the group of thermoplastics PEEK (polyether ether ketone) has proven to be a particularly suitable material in tests. Materials with related properties can also be used. It is important, among other things, that the materials are resistant to the cleaning agents or disinfectants used.
  • a conventional disinfectant is H 2 O 2 .
  • the contact surface is preferably designed to be exchangeable, so that the entire contact element does not have to be replaced when worn.
  • the contact surface of the contact element is formed by a material, on the surface of which water forms a contact angle of less than 60 °, preferably less than 45 °, very preferably less than 29 °.
  • the contact angle is to be determined according to the specifications of DIN 55660-2 and in particular according to the static method described there and in compliance with the recommendations there (DIN 55660-2: "Coating materials - wettability - Part 2: Determination of the free surface energy of solid surfaces by measurement des Kunststoffwinkel ", December 2011, esp. point 5.2.2: Static procedure).
  • the contact surface of the contact element can advantageously be formed by an open-pore material. Then the effect of a capillary permation can be used, whereby the desired drying and / or cleaning process is particularly well supported.
  • Capillary permeation or wetting is the movement of a fluid on a solid substrate that is driven by the interfacial energy.
  • the capillary permeation is quantified by the contact angle, which is determined according to the specifications of DIN 55660-2 and in particular according to the static method described there and in compliance with the recommendations there.
  • a low contact angle means greater wetting by a given liquid.
  • a suitable high capillary permeation corresponds to a contact angle of less than approximately 90 °.
  • the contact surface of the contact element can advantageously be formed by a closed-pore material.
  • the contact element can meet particularly high hygienic requirements. It is also easy to clean.
  • the material forming the contact surface can also be a coating material.
  • the manufacture of the contact element can be made less complicated and less expensive.
  • materials can be selected that meet the different requirements of the contact element and contact surface.
  • the contact element also has at least one functional surface, the surface of which has a contact angle with water of more than 100 °, preferably more than 120 °, that is to say it is hydrophobic.
  • a functional surface is understood to mean a surface which comes into contact with the water to be removed from the surface of the packaging to be produced. Such a functional surface could then be used, for example, to separate the water removed from the contact element and, in some cases, temporarily stored.
  • the surface tension of the material forming the contact surface of the at least one contact element measured according to WU is at least 32 mN / m, preferably at least 35 mN / m and very preferably at least 40.5 mN / m (proposed by GX Wu 1982 Equation for calculating the surface tension).
  • the contact surface of the contact element is designed to be elastically deformable.
  • An elastically deformable design is understood here to mean a material which deforms from its original shape with an energy of at least 0.125 joules which acts at an angle between 90 ° and 60 ° and deforms back to its original state when relaxed.
  • a working energy of approximately 0.125 joules occurs, for example, when a packaging weighing approximately 250 grams comes into contact with the contact element at a speed of approximately 1 m / s.
  • An elastically deformable contact surface has the advantage that it automatically adapts to the conditions of the surface to be dried and can - at least largely - follow it. This ensures that the amount of liquid accumulated in the wells can be effectively detected and removed.
  • the contact surface of the contact element is rigid.
  • a rigid design is understood here to mean a material which does not visibly deform when the working energy of 0.5 joule is applied at an angle of 90 ° to 60 °, that is to say at least below 2 °.
  • a rigid contact surface has the advantage that it is particularly low-maintenance and can deliver consistent work results over a practically unlimited period of time. This leads to high process reliability and saves costs.
  • the contact surface of the contact element has a profile with at least one recess.
  • the depressions can have a depth in the range between 1 mm and 5 mm, in particular between 2 mm and 4 mm, for example. Moisture can be absorbed from the depressions and - for example to the outside - discharged.
  • the recesses are surrounded and delimited by edges that function like "sealing lips" and thus ensure improved drying performance.
  • Profiling gives the liquid to be removed from the surface of the packaging an alternative.
  • profiling with a relatively large amount of liquid to be removed helps to prevent the occurrence of a so-called aquaplaning effect.
  • the occurrence of such an effect would have the consequence that the contact element lifts off a little from the surface to be treated and would "slip" on a liquid film which forms. This would then result in an even distribution of the existing and to be removed amount of liquid on the given surface, so that there would no longer be any space on the surfaces to be treated, on which effective material binding bridges could be produced by a gluing or welding process.
  • the occurrence of an aquaplaning effect must therefore be avoided with care in any case.
  • the profiling has profile lines that run obliquely to the direction of the transport path, this initially has the advantage that the surface to be treated of a packaging guided along the production path is not suddenly loaded over its entire width by contact with a profile edge, which could damage the decor.
  • indentations delimited by individual profile lines are provided in the contact element, it is also advantageous if channels or grooves which run to the outer side edge of the contact element are of an open design. This means that the depressions are not closed by a wall on the side delimiting the width of the contact element. The liquid temporarily absorbed in them, in particular condensed water vapor, can thus be displaced laterally.
  • the depressions formed in this way extend in a kind of herringbone pattern over at least part of the contact surface of the contact element. Such a configuration is particularly gentle and effective.
  • the cross-sectional shape of the depressions takes on a rectangular shape or a partial circular shape.
  • Such forms are inexpensive to manufacture and can also be suitable for absorbing an appropriate amount of liquid.
  • the width of the depression moves between 5 mm and 20 mm and in particular between 8 mm and 13 mm, while the depth is in a range from 1.5 mm to 6 mm and in particular between 2 mm and 3.5 mm.
  • radii up to approximately 15 mm can be particularly preferred.
  • the depressions formed produce a type of scale or diamond pattern on the contact surface of the contact element.
  • particularly many edges that become effective on the surface of the packaging can be produced on the contact surface of the contact element.
  • the loads that are associated with the mechanical removal of the liquid to be removed are distributed particularly well over the entire partial surface to be cleaned, so that the individual edges can also be made sharper, which significantly increases the effectiveness.
  • the contact element has at least one channel through the passage of a gaseous or liquid medium. Through the channel, moisture can either be removed from the packaging or a drying medium (e.g. air) can flow to the packaging. It can be provided that the channel has one or more branches.
  • a drying medium e.g. air
  • a channel can be used as a "pressure chamber", the shape of the contact surface deforming depending on the pressure in the chamber.
  • the contact surface of the contact element can adapt particularly well to the surface structure of the surface to be cleaned. Because of the pressure prevailing in the chamber, it is also achieved that the contact surface is constantly pressed against the surface in contact with it - that is to say with the surface to be cleaned - even in the event of deformations. This creates excellent conditions for effective cleaning and drying.
  • the deformation behavior and the contact pressure can also be easily adjusted via the pressure that can be set in the chamber.
  • the contact element is preferably designed like a part of a jacket tire drawn into a plane.
  • At least one outlet of the channel on the side contact surface and / or on the lower contact surface of the Contact element is arranged. This arrangement of the outlets enables the surfaces of the packaging to be dried to be reached particularly well. In particular, the bottom surfaces (or gable surfaces) of the packaging and the inside of the ears can be reached at the same time.
  • a further embodiment of the device finally provides that the contact element has a curved inlet area or an inclined area with respect to the contact surface. Due to a curved or inclined shape, the contact forces between the packaging and the contact element increase gently. Another effect is that the fin seam on the top and bottom of the packaging is gently bent down. In this way, the risk is reduced that packagings get caught on the contact element or are damaged by the contact element.
  • the device described above is particularly suitable in all of the illustrated embodiments for use for drying packaging filled with food, in particular for drying composite packaging filled with food.
  • the good suitability results, for example, from the fact that the drying process made possible by the device is particularly gentle and hardly loads the sensitive foods.
  • thermal stress on the contents of the packaging which occurs, for example, during drying by hot air, is avoided.
  • the foods can be, for example, aseptically filled foods.
  • a method for drying packaging in particular composite packaging for foodstuffs, comprising the following steps: a) providing a device for drying packaging with a drying device, b) providing packaging which is preferably formed from packaging sleeves, and c ) Drying the packaging.
  • the packaging provided is preferably composite packaging which is made from a laminate, wherein the laminate is preferably formed into a packaging jacket in an intermediate step.
  • the provision of such a packaging jacket which has already been described in more detail at the beginning, is therefore also an essential prerequisite for implementing the method according to the invention in the case of the provision of packaging formed from a packaging jacket.
  • the packaging is dried in step c) by contact between the packaging and the drying device.
  • the method is also based on the idea of providing touch-wise drying of the packaging instead of contactless drying by hot air and wiping the moisture off the surface of the packaging. For example, this has the advantage of lower energy consumption and also protects the contents of the packaging from thermal stress.
  • the packs are preferably moved - continuously or intermittently - while the drying device is at a standstill.
  • the packaging in step c) be dried by contact between the packaging and the contact element of the drying device.
  • This also has the advantage that the contact element can be adapted to touch-drying drying of packaging, both in terms of its shape and in terms of its material.
  • the packaging is dried in step c) by contact between the packaging and the lower contact surface and / or the lateral contact surfaces of the contact element of the drying device.
  • the packaging usually has a plurality of surfaces to be dried, which are usually not in one plane, for example the bottom surface (or gable surface) and the inside of the protruding ears. It is therefore advantageous to dry the different surfaces to be dried by means of different contact surfaces.
  • One advantage is that the shape and position of the contact surfaces can be optimally adapted to the surfaces they are drying.
  • multiple contact surfaces allow multiple packaging surfaces to dry simultaneously.
  • step d) placing the protruding ears on the packaging.
  • the drying serves in particular for the subsequent gluing or welding of the ears to the packaging. Therefore, a combination of the steps of drying and applying / attaching the ears is particularly advantageous. Accordingly, step d) is preferably carried out after step c).
  • a packaging for food is claimed, the packaging being made from a multilayer laminate.
  • the packaging is characterized in that the outermost layer of the laminate forms a contact angle with water of at least 60 °, preferably of at least 75 °, in particular of at least 90 °.
  • the contact angle must be determined in accordance with the requirements of DIN 55660-2 and in particular according to the static method described there and in compliance with the recommendations there.
  • Packaging with a contact angle in the specified range is particularly suitable for touch-drying, since water drops with such contact angles can be wiped off the surface of the packaging particularly easily.
  • the contact angle which is also called the wetting or wetting angle. It can therefore be particularly preferred that the outermost layer of the laminate forms a contact angle with water of at least 110 °, preferably of at least 135 °, in particular of at least 150 °.
  • the surface of the packaging jacket or packaging is then formed in a superhydrophobic area or even has a so-called lotus effect.
  • This has the advantage, for example, that the packaging also has a higher level of protection for the food contained in it later in use, since germs that come into contact with the packaging have hardly any possibility of settling only outside the packaging, but e.g. simply run off with moisture (e.g. in the case of temperature fluctuations).
  • the contact element can be made so simple due to the minimal wiping forces that are then required that it can be replaced regularly and, for example, when using the device for drying a packaging within a filling device, it can be easily replaced when it is cleaned.
  • Contact angles in the specified range can be achieved, for example, by a suitable choice of the outermost layer of the laminate forming the packaging.
  • a first embodiment of a package 1 known from the prior art with protruding ears 2 is shown.
  • the packaging 1 is made of a multilayer composite material which comprises layers of different materials, for example paper, cardboard, plastic or metal, in particular aluminum.
  • the packaging 1 has a first side surface 3, a second side surface 4 (hidden), a front surface 5 and a rear surface 6 (hidden).
  • the packaging 1 has floor surfaces 7 and gable surfaces 8.
  • the side surfaces 3, 4, the front surface 5 and the rear surface 6 are of the same size, so that the Package 1 has a square cross-sectional area.
  • the bottom surfaces 7 are folded and sealed (for example welded) in such a way that a fin seam 9 is formed.
  • the ears 2 When the bottom surfaces 7 are folded, protruding areas of excess material are formed, which form the ears 2 and are to be applied to the packaging 1 in a later manufacturing step, for example by welding processes.
  • the ears 2 protrude approximately from the packaging 1 in such a way that they run approximately parallel to the side surfaces 3, 4 of the packaging 1.
  • Fig. 1 shown packaging 1 closed by the gable surfaces 8 are folded slightly inwards and connected to a pouring element 10 made of plastic.
  • the pouring element 10 has a screw cap 11, which is also made of plastic.
  • four ears 2 ′ projecting from the gable region of the packaging 1 are formed, which in FIG Fig. 1 shown packaging 1 have already been applied to the gable surfaces 8.
  • the making of an in Fig. 1 Package 1 shown is, for example, in the DE 10 2010 050 502 A1 to which reference is made.
  • Figure 1B shows a second embodiment of a package 1 'known from the prior art with protruding ears 2.
  • the already in connection with Fig. 1A Areas of packaging 1 are described in Figure 1B provided with corresponding reference numerals.
  • Packing 1 'shown differs from that in FIG Fig. 1A shown packaging 1 by a different cross-sectional area and by a different shape of the gable area.
  • the side surfaces 3 and the side surface 4 (hidden) are narrower than the front surface 5 and the (hidden) rear surface 6, so that the packaging 1 'has a rectangular cross-sectional area.
  • the bottom region (that is, the region of the bottom surfaces 7) and the gable region (that is, the region of the gable surfaces 8) of the packaging 1 ′ are closed in an identical manner, namely without using a pouring element 10 by directly connecting the bottom surfaces 7 and the gable surfaces 8.
  • the floor surfaces 7 and the gable surfaces 8 fin seams 9, 9 'form.
  • the only difference between the bottom area and the gable area of the packaging 1 ' is that the ears 2' in the gable area have already been placed on the gable surfaces 8, while the ears 2 in the bottom area have not yet been placed on the bottom areas 7 and therefore still from the Stand out packaging 1 '.
  • the ears 2 protrude approximately from the packaging 1 'in such a way that they run approximately parallel to the side surfaces 3, 4 of the packaging 1'.
  • FIG. 1C A packaging 1 'according to the invention is shown with protruding ears 2.
  • the already related to Fig. 1A and Figure 1B Areas of the packaging 1, 1 'described are in 1C provided with corresponding reference numerals.
  • the 1C Packing 1 'shown differs from that in FIG Figure 1B shown packaging 1 'by a different outer layer.
  • the changed outer layer leads to a particularly favorable contact angle ⁇ .
  • the contact angle ⁇ denotes the angle which the outermost layer of the laminate of the packaging 1 'forms with a drop of water.
  • the contact angle ⁇ is in turn to be determined in accordance with the requirements of DIN 55660-2 and in particular according to the static method described there and in compliance with the recommendations there.
  • FIG. 2A shows a first embodiment of a device 12 according to the invention for drying composite packaging for food in a front view.
  • the device 12 initially comprises a conveyor belt 13 with cells 14 for receiving the packaging 1. Instead of a conveyor belt 13, a conveyor chain, a conveyor belt or another suitable means of transportation can also be provided.
  • the device 12 comprises a drying device 15 for drying the packaging 1.
  • the drying device 15 has a contact element 16, which will be discussed in more detail below.
  • the already filled and closed packages 1 are located in the cells 14 and are guided by the conveyor belt 13 in a transport direction T past the fixed contact element 16 in such a way that a portion of the packages 1 - in particular the fin seam 9 - touches the contact element 16, wherein the contact element 16 wipes moisture from the packaging 1.
  • FIG. 2A A device 17 for placing protruding ears 2 on the packaging 1 is also shown.
  • the device 17 is not part of the device 12, but serves to explain its mode of operation.
  • the drying of the packaging 1 serves in particular the purpose of being able to reliably place the ears 2 on the packaging 1. This is usually done by welding, which is why dry surfaces are required for a reliable connection.
  • the conveyor belt 13 can be driven, for example, by an electric drive 18.
  • FIG 2B the device 12 is off Figure 2A shown in a top view.
  • the already related to Figure 2A Areas of the device 12 described are in Figure 2B provided with corresponding reference numerals.
  • the top view clearly shows that the conveyor belt 13 has four rows of cells 14.
  • both devices 15, 17 extend over the entire width of the conveyor belt 13.
  • both devices have a corresponding number on tools; in the Figure 2B
  • the drying device 15 shown thus has four contact elements 16.
  • the configuration shown is only to be understood as an example; in particular, the number of rows of cells 14 can be varied. For example, only a single row of cells 14 can be provided. In this case, the cells 14 can be connected directly to the conveyor belt 13. Alternatively, two or more rows of cells 14 may be provided. In this case, the cells 14 can be connected to the conveyor belt 13, for example, via a common cross member 19.
  • Figure 2C shows the device 12 Figure 2A in a side view.
  • the already related to Figure 2A and Figure 2B Areas of the device 12 described are in Figure 2C provided with corresponding reference numerals.
  • the side view is It can be clearly seen that four packages 1 with protruding ears 2 are processed simultaneously by the four contact elements 16 of the drying device 16.
  • the contact elements 16 touch the packaging 1 both in the area of their bottom surfaces 7 (and the fin seams 9 running there) and on the inside of the protruding ears 2 (and the fin seams 9 also running there). In this way, drying of the bottom surfaces 7 as well as the inside of the ears 2 and the fin seams 9 is achieved.
  • This has the advantage that all surfaces affected by the application of the ears 2 to the packaging 1 are dried.
  • the packaging 1 shown can, for example, be related to Fig. 1A act described packaging 1.
  • FIG 3A A second embodiment of a device 12 'according to the invention for drying composite packaging for food is shown in a front view.
  • the already related to 2A to 2C Areas of the device 12 'described are in Figure 3A provided with corresponding reference numerals.
  • An essential difference between the second embodiment of the device 12 'and the previously described first embodiment of the device 12 ( 2A to 2C ) lies in the fact that the conveyor belt 13 'in the second embodiment of the device 12' does not run below, but behind or next to the packaging 1 '.
  • Another difference is that in the second embodiment of the device 12 ', the packages 1' are held laterally (and not from below) by the cells 14 '.
  • the lateral arrangement of the conveyor belt 13 ' has the advantage that the conveyor belt 13' can run in the same horizontal plane during its entire circulation - also in the area of the return - and thus the cells 14 'attached to it and the packaging 1' held by them never stand "upside down". This has the advantage that the entire length of the conveyor belt 13 'can be used for processing the packaging 1'.
  • Another advantage of the second embodiment of the device 12 'and in particular the lateral arrangement of the cells 14' is that the packaging 1 'both in the area of its bottom surfaces 7 and in the area of it Gable surfaces 8 are exposed and accessible and thus simultaneous processing of both ends of the packaging 1 'is possible.
  • a disadvantage of this embodiment is that the lateral arrangement of the conveyor belt 13 'makes the simultaneous processing of several rows of cells 14' structurally complex.
  • Figure 3B shows the device 12 ' Figure 3A in a top view.
  • the already related to 2A to 3A Areas of the device 12 'described are in Figure 3B provided with corresponding reference numerals.
  • the top view clearly shows that the conveyor belt 13 'runs alongside the packaging 1'. Accordingly, the cells 14 'also grip the packages from the side.
  • Figure 3C the device 12 'is off Figure 3A shown in a side view.
  • the already related to 2A to 3B Areas of the device 12 'described are in Figure 3C provided with corresponding reference numerals.
  • the side view clearly shows that the packaging 1 'is guided past the contact elements 16 in such a way that the packaging 1' touches both in the area of its bottom surfaces 7 and on the inside of the protruding ears 2 and is thus dried.
  • the packaging 1 'shown can, for example, be related to Figure 1B act described packaging 1 '.
  • FIG 4A shows the contact element 16 of the drying device 15 in a view from below.
  • the contact element 16 has a plurality of contact surfaces 20, for example a lower contact surface 20A and two lateral contact surfaces 20B.
  • the contact surfaces 20 are preferably made of plastic, in particular PEEK (polyether ether ketone) and serve the purpose of wiping moisture off the surface of the packaging 1, 1 '.
  • the lower contact surface 20A has a profile with depressions 21.
  • the depressions 21 run obliquely outwards to the sides in order to be able to conduct moisture away well.
  • the contact element 16 has several (in Figure 4A channels 22, not shown, by passage of a gaseous medium.
  • the outlets 23A of the channels 22 are arranged in the region of the depressions 21.
  • the contact element 16 has a curved inlet area 24.
  • Figure 4B is finally the contact element 16 Figure 4A in a side view along the section plane IVB-IVB Figure 4A shown.
  • the already related to Figure 4A Areas of the contact element 16 described are in Figure 4B provided with corresponding reference numerals.
  • the course of the channels 22 in the interior of the contact element 16 can be clearly seen in the sectional view. Through the channels 22, for example, moisture can be sucked from the packages 1, 1 'through the outlets 23A arranged in the lower contact surface 20A and can be discharged through the outlet 23B. Alternatively, dry air can be drawn in through the outlet 23B and the channels 22 and flow through the outlets 23A arranged in the lower contact surface 20A onto the packages 1, 1 'to be dried.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packages (AREA)

Claims (9)

  1. Dispositif (12, 12') pour le séchage d'emballages (1, 1'), en particulier d'emballages composites pour des denrées alimentaires, comportant :
    - une bande transporteuse (13, 13') dotée de cellules (14, 14') destinées à contenir des emballages (1, 1'), et
    - au moins un dispositif de séchage (15) pour le séchage des emballages (1, 1'),
    - le dispositif de séchage (15) présentant au moins un élément de contact (16) avec au moins une surface de contact (20, 20A, 20B), et
    - la surface de contact (20, 20A, 20B) de l'élément de contact (16) étant fabriquée en matière synthétique, en particulier à partir d'un élastomère ou d'une matière thermoplastique,
    caractérisé en ce que la surface de contact (20, 20A, 20B) de l'élément de contact (16) présente un profilage avec au moins un évidement (21).
  2. Dispositif selon la revendication 1, caractérisé par un dispositif (17) pour la mise en place de lobes faisant saillie (2, 2') sur les emballages (1, 1').
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif de séchage (15) présente au moins deux éléments de contact (16).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que l'élément de contact (16) présente au moins un canal (22) destiné à la circulation d'un fluide gazeux ou liquide.
  5. Dispositif selon la revendication 4, caractérisé en ce qu'au moins une sortie (23A) du canal (22) est agencée sur la surface de contact latérale (20B) et/ou sur la surface de contact inférieure (20A) de l'élément de contact (16).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que l'élément de contact (16) présente une zone d'entrée incurvée ou inclinée par rapport à la surface de contact (24).
  7. Utilisation d'un dispositif (12, 12') selon l'une des revendications 1 à 6 pour le séchage d'emballages remplis de denrées alimentaires (1, 1'), en particulier pour le séchage d'emballages composites remplis de denrées alimentaires.
  8. Procédé de séchage d'emballages composites (1, 1') pour des denrées alimentaires, comportant les étapes suivantes :
    a) mise à disposition d'un dispositif (12, 12') selon l'une des revendications 1 à 6 pour le séchage d'emballages (1, 1') équipé d'un dispositif de séchage (15), le dispositif de séchage (15) présentant au moins un élément de contact (16) avec au moins une surface de contact (20, 20A, 20B),
    b) mise à disposition d'emballages (1, 1') formés principalement à partir d'enveloppes d'emballages, et
    c) séchage des emballages (1, 1'),
    les emballages (1, 1') étant séchés dans l'étape c) par un contact entre les emballages (1, 1') et l'élément de contact (16) du dispositif de séchage (15), et les surfaces de contact (20, 20A, 20B) de l'élément de contact (16) étant fabriquées en matière synthétique, en particulier à partir d'un élastomère ou d'une matière thermoplastique, caractérisé en ce que dans l'étape c) les emballages (1, 1') sont déplacés tandis que le dispositif de séchage (15) est à l'arrêt et en ce que les emballages (1, 1') dans l'étape c) sont séchés par un contact entre les emballages (1, 1') et la surface de contact inférieure (20A) et/ou les surfaces de contact latérales (20B) de l'élément de contact (16) du dispositif de séchage (15).
  9. Procédé selon la revendication 8, comportant en outre les étapes suivantes :
    mise en place de lobes faisant saillie (2, 2') sur les emballages (1, 1').
EP16745681.3A 2015-08-31 2016-07-26 Dispositif et procédé de sechage de conditionnements Active EP3344552B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16745681T PL3344552T3 (pl) 2015-08-31 2016-07-26 Zespół do suszenia opakowań i odnośny sposób

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015114457.3A DE102015114457A1 (de) 2015-08-31 2015-08-31 Vorrichtung und Verfahren zur Trocknung von Verpackungen
PCT/EP2016/067775 WO2017036680A1 (fr) 2015-08-31 2016-07-26 Dispositif et procédé de sechage de conditionnements

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EP3344552A1 EP3344552A1 (fr) 2018-07-11
EP3344552B1 true EP3344552B1 (fr) 2020-01-08

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US (1) US10759549B2 (fr)
EP (1) EP3344552B1 (fr)
CN (1) CN107922073B (fr)
DE (1) DE102015114457A1 (fr)
ES (1) ES2772830T3 (fr)
PL (1) PL3344552T3 (fr)
WO (1) WO2017036680A1 (fr)

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WO2015140768A2 (fr) * 2014-03-21 2015-09-24 G.D Societa' Per Azioni Machine et procédé de production de cartouches de cigarettes électroniques
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DE102017114760A1 (de) * 2017-07-03 2019-01-03 Sig Technology Ag Zellentraverse mit Einsatzelementen für eine Füllmaschine
WO2020017971A1 (fr) * 2018-07-19 2020-01-23 Sluis Cigar Machinery B.V. Ligne de traitement comprenant des modules de traitement pour effectuer des opérations de traitement sur un produit ou une partie de celui-ci, et ligne de fabrication de dispositif à fumer de simulation

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Also Published As

Publication number Publication date
ES2772830T3 (es) 2020-07-08
US10759549B2 (en) 2020-09-01
EP3344552A1 (fr) 2018-07-11
US20180222607A1 (en) 2018-08-09
DE102015114457A1 (de) 2017-03-02
CN107922073A (zh) 2018-04-17
PL3344552T3 (pl) 2020-05-18
WO2017036680A1 (fr) 2017-03-09
WO2017036680A9 (fr) 2017-06-22
CN107922073B (zh) 2020-08-04

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