EP3728063B1 - Gebinde aus packungsmänteln und einer umverpackung - Google Patents

Gebinde aus packungsmänteln und einer umverpackung Download PDF

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Publication number
EP3728063B1
EP3728063B1 EP18811787.3A EP18811787A EP3728063B1 EP 3728063 B1 EP3728063 B1 EP 3728063B1 EP 18811787 A EP18811787 A EP 18811787A EP 3728063 B1 EP3728063 B1 EP 3728063B1
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EP
European Patent Office
Prior art keywords
packaging
sleeves
packaging sleeves
bundle according
sleeve
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
EP18811787.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3728063A1 (de
Inventor
Karl-Josef ARETZ
Andreas LEMSKY
Richard Leufen
Stefan SCHNORR
Jörg Steinfels
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
Original Assignee
SIG Services AG
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Filing date
Publication date
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Publication of EP3728063A1 publication Critical patent/EP3728063A1/de
Application granted granted Critical
Publication of EP3728063B1 publication Critical patent/EP3728063B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/063—Wrappers formed by one or more films or the like, e.g. nets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/62—Containers, packaging elements or packages, specially adapted for particular articles or materials for stacks of articles; for special arrangements of groups of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00148—Wrapper locking means integral with the wrapper heat sealede or welded

Definitions

  • the invention relates to a bundle of packaging sleeves and an outer packaging, comprising: a plurality of packaging sleeves made of a composite material, and an outer packaging that encloses the packaging sleeves, each packaging sleeve having a front and a back, the front and back of each packaging sleeve being separated from one another by folding edges along which the packaging sleeve is folded flat, each packaging sleeve having two openings arranged on opposite sides of the packaging sleeve, and each packaging sleeve having a longitudinal seam that connects two edges of the composite material to form a circumferential packaging sleeve.
  • Packaging can be manufactured in different ways and from a wide variety of materials.
  • a common way of manufacturing them is to make a blank from the packaging material, from which a packaging sleeve and finally a packaging is created by folding and further steps.
  • This type of production has the advantage, among other things, that the blanks and packaging sleeves are very flat and can therefore be stacked to save space. In this way, the blanks or packaging sleeves can be produced at a different location than where the packaging sleeves are folded and filled.
  • Composite materials are often used as the material, for example a composite made of several thin layers of paper, cardboard, plastic or metal, especially aluminum.
  • Such packaging is particularly widespread in the food industry, where it is preferably used to package foodstuffs that have at least one liquid component.
  • a first manufacturing step often consists of creating a circumferential packaging sleeve from a blank by folding and welding or gluing a seam.
  • the flat packaging sleeves are often stacked and packaged in order to transport them to the place where the packaging sleeves are filled.
  • Containers with different outer packaging are known from the state of the art for this purpose.
  • a rigid box made of corrugated cardboard is used as outer packaging.
  • This type of outer packaging offers very good mechanical protection for the packaging sleeves stored in it.
  • a disadvantage of this type of outer packaging is its very low elasticity, which does not allow the container to be compressed and thus transported in a space-saving manner.
  • rigid outer packaging has the disadvantage of having to be dismantled after the packaging sleeves have been removed in order to take up less volume.
  • dismantling rigid cardboard outer packaging creates dust, which is very undesirable in areas with high hygiene requirements, for example in the vicinity of a food filling machine.
  • the outer packaging is made of paper, so the packaging sleeves are wrapped in paper.
  • This type of outer packaging can therefore simply be folded up and disposed of after the packaging sleeves have been removed.
  • a disadvantage of this type of outer packaging is the low elasticity and low tear resistance of the paper. The container cannot therefore accommodate packaging sleeves that have been compressed to save space, as the restoring forces would cause the paper to tear.
  • the invention is based on the object of designing and developing the container described at the outset and explained in more detail above, while avoiding the disadvantages described above, in such a way that space-saving, cost-effective and safe transport of packaging sleeves
  • a container according to the preamble of claim 1 is formed from a group of packaging sleeves and an outer packaging.
  • the container initially comprises several packaging sleeves made of a composite material.
  • the packaging sleeves can consist of a composite of several thin layers of paper, cardboard, plastic or metal, in particular aluminum.
  • the packaging sleeves are preferably one-piece.
  • the container also comprises an outer packaging that encloses the packaging sleeves.
  • the outer packaging can partially or completely enclose the packaging sleeves and serves to hold the packaging sleeves together.
  • Each packaging sleeve has a front and a back. Preferably, the front and back are rectangular and congruent. The front and back of each packaging sleeve are separated from one another by folding edges.
  • Each packaging sleeve is folded flat along the folding edges.
  • the folding edges can be created, for example, by folding along material weakenings created before folding (e.g. embossed crease lines).
  • Each packaging sleeve also has two openings that are arranged on opposite sides of the packaging sleeve.
  • the packaging sleeve is open on two sides.
  • the openings can be arranged, for example, in the area of a base surface and in the area of a gable surface of the - preferably liquid-tight - packaging to be made from the packaging sleeve.
  • the two opposite openings make it particularly easy to unfold the packaging sleeve, creating the shape of a tube or a sleeve.
  • each packaging sleeve has a longitudinal seam that connects two edges of the composite material to form a circumferential packaging sleeve.
  • the longitudinal seam can be used to produce a circumferentially closed, circumferential packaging sleeve from a flat - usually rectangular - cut.
  • the longitudinal seam can be created, for example, by gluing and/or welding. Due to the longitudinal seam, such packing sleeves are also referred to as longitudinally seam-sealed packing sleeves.
  • the outer packaging is made of a plastic film.
  • Plastic films are characterized by low costs, high elasticity and high tear resistance.
  • rigid outer packaging e.g. boxes made of corrugated cardboard
  • less tear-resistant outer packaging e.g. made of paper
  • the plastic film can be made of PE (polyethylene), for example.
  • the plastic film is preferably antistatic, as this has advantages when the film is stretched and when stacking/unstacking several finished containers.
  • the plastic film can preferably be printed on or stuck to.
  • the plastic film should also be as temperature-resistant as possible.
  • the outer packaging combines the packaging sleeves in such a way that at least 4.0 packaging sleeves per cm, in particular at least 4.5 packaging sleeves per cm, in particular at least 5.0 packaging sleeves per cm, in particular at least 5.5 packaging sleeves per cm, in particular at least 6.0 packaging sleeves per cm, in particular at least 6.5 packaging sleeves per cm, in particular at least 6.75 packaging sleeves per cm, in particular at least 7.0 packaging sleeves per cm, in particular at least 7.25 packaging sleeves per cm or at least 7.5 packaging sleeves per cm are arranged in the stacking direction.
  • the stacking direction is understood to be the direction that runs through all the stacked packaging sleeves; the stacking direction can in particular run approximately at right angles to the front and back sides of the packaging sleeves.
  • a high stacking density can be achieved due to the elasticity and high tear resistance of the plastic film. This can be achieved, for example, by placing the packaging sleeves in The packaging is pushed together and compressed in the stacking direction and is then wrapped in a pre-tensioned film. Due to the pre-tension of the film, the film contracts again after the packaging sleeves have been wrapped, thus preventing the packaging sleeves from being pushed out of the still open ends of the film by restoring forces.
  • the specified lower limits for the stacking density can be combined with an upper limit for the stacking density, which can be, for example, 8 packaging sleeves per cm, 9 packaging sleeves per cm or 10 packaging sleeves per cm. Higher stacking densities can lead to damage to the packaging sleeves.
  • the packaging sleeves are arranged in the outer packaging in such a way that the longitudinal seams of all packaging sleeves run parallel to one another.
  • all packaging sleeves should be “upright” in the outer packaging and no packaging sleeve should be horizontal in the outer packaging (or vice versa: all should be horizontal and none should be “upright”).
  • the defined and identical arrangement of the packaging sleeves in the container may not be the most space-saving arrangement, but it makes further processing of the packaging sleeves in a filling machine much easier, as sorting or alignment is not necessary.
  • the packaging sleeves are arranged in the outer packaging in such a way that the longitudinal seams of all packaging sleeves are arranged in a common plane that runs in the stacking direction.
  • the longitudinal seams should not be offset from one another in different planes, but rather in the same plane. They should therefore be arranged exactly one behind the other - viewed in the stacking direction.
  • Exact stacking can mean lateral offsets of up to 1.5 mm in both directions.
  • the packaging sleeves are arranged in the outer packaging in such a way that the front sides of all packaging sleeves face in the same direction and that the back sides of all packaging sleeves face in the same direction.
  • two adjacent packaging sleeves should always touch with different sides (front/back) and not with the same sides (front/front or back/back).
  • the packaging sleeves are folded flat along both folding edges at an angle of approximately 180°. Folding at an angle of approximately 180° enables particularly flat packaging sleeves. This allows the packaging sleeves to be stacked in a space-saving manner, which makes transport easier, for example. In this way, the packaging sleeves can be produced at a different location than where the packaging is filled and manufactured.
  • the packaging sleeve is preferably folded outwards along both folding edges, so the folding edges should point outwards (and not inwards). This means that the packaging sleeves can be stacked particularly closely to one another.
  • the two fold edges run parallel to each other.
  • the two fold edges are straight and run parallel to each other.
  • the parallel arrangement has the advantage that the fold edges can be produced particularly easily, for example by means of straight creasing lines that are embossed into the composite material.
  • the packaging sleeves are folded exclusively along the two fold edges. As no further folding of the packaging sleeves is provided apart from the two fold edges, the packaging sleeves are particularly flat and can be stacked in a space-saving manner. Apart from the area of the longitudinal seam, the packaging sleeves with this type of folding have a "double" thickness: both the front and the back of the packaging sleeve are made of a (preferably the same) multi-layer composite material and are arranged one behind the other in the stacking direction.
  • the packaging sleeves have base surfaces and gable surfaces that are arranged on opposite sides of the two side surfaces, the front surface and the rear surface.
  • the base surfaces and the gable surfaces preferably each have two rectangular surfaces and six triangular surfaces.
  • the gable surfaces - in the case of a standing packaging - are arranged above the two side surfaces, the front surface and the rear surface and the base surfaces are arranged below the two side surfaces, the front surface and the rear surface.
  • the designation of the surfaces is based on the surfaces of the packaging to be produced from the packaging sleeve.
  • the rectangular surfaces and the triangular surfaces are also surrounded or limited by folding lines.
  • the rectangular surfaces are used to fold the base and the gable of the packaging.
  • the triangular surfaces are used to fold the excess composite material into protruding "ears" that are then attached to the packaging.
  • the composite material of the packaging sleeves has a thickness in the range between 150 g/m 2 and 500 g/m 2 , in particular between 200 g/m 2 and 350 g/m 2 .
  • the strength of the composite material influences its thickness and thus also the number of packaging sleeves that can be stacked per unit length.
  • a thickness in the specified range has proven to be a good compromise between low costs, low weight and dense stackability (composite material as thin as possible) and sufficient mechanical properties (composite material as thick as possible).
  • the composite material of the packaging sleeves has a thickness in the range between 0.25 mm and 0.75 mm, in particular between 0.3 mm and 0.6 mm.
  • a thickness in the specified range has proven to be a good compromise between low costs, low weight and dense stackability (composite material as thin as possible) and sufficient mechanical properties (composite material as thick as possible).
  • the composite material has at least one layer of paper, cardboard or paperboard, which is covered at the edge of the longitudinal seam running inside the packaging casing.
  • the purpose of covering the paper layer, cardboard layer or paperboard layer is to prevent contact between the contents of the packaging and this layer. On the one hand, this serves to prevent liquid from leaking through the - not liquid-tight - paper layer, cardboard layer or paperboard layer and, on the other hand, to protect the contents of the packaging from contamination by the paper layer, cardboard layer or paperboard layer (e.g. pulp fibers).
  • the longitudinal seam can be advantageously covered by covering the layer of paper, cardboard or paperboard with a sealing strip and/or by folding the composite material in the area of the longitudinal seam.
  • One way of covering is to attach a separate sealing strip.
  • the sealing strip can, for example, be made of the same material as the innermost layer of the composite material and be glued or welded to this layer.
  • Another way of covering is to fold or turn the composite material in the area of the longitudinal seam. In this way, not all layers but only the innermost layer of the composite material are visible at the edge of the longitudinal seam running inside the packaging casing. However, the innermost layer must be made of a material that is suitable for contact with the contents of the packaging.
  • the composite material is peeled in the area of the longitudinal seam.
  • a "peeled" composite material is understood to mean a composite material that has fewer layers in the peeled area than in the other areas. Peeling has the advantage of a less pronounced increase in thickness, particularly in the area where several layers of material overlap. The use of peeled composite material is therefore particularly advantageous when the composite material is folded over or folded over - for example in the area of the longitudinal seam.
  • a further design of the container is characterized by a material weakening in the packaging sleeves, in particular a coated hole, for attaching a pouring element.
  • the material weakening serves to facilitate the subsequent attachment of a pouring element to the respective packaging sleeve.
  • a through hole is first punched into the composite material, which is then coated.
  • the coating can be done, for example, with a plastic film and serves to seal the packaging until the pouring element is applied.
  • the plastic film is intended to have a thickness in the range between 10 ⁇ m and 50 ⁇ m, in particular between 15 ⁇ m and 40 ⁇ m.
  • Very thin films have the advantage of low cost and low weight, while thicker films have greater tear resistance. Films with a thickness in the specified range have proven to be a good compromise between these requirements.
  • the thickness of the film can be measured, for example, according to DIN 53370.
  • the plastic film is multi-layered.
  • the different layers of the film can be made of the same material or made from different materials, for example PE (polyethylene) and/or PP (polypropylene) and/or PA (polyamide).
  • the different layers of the film can be the same thickness or different thicknesses.
  • the plastic film has stretch properties and/or shrink properties.
  • a stretch film also: “stretch film” is a film that has a very high degree of stretchability, in particular an elongation at break of at least 100%, in particular at least 150%, at least 200% or at least 300% (for example measured according to DIN EN ISO 527).
  • a high degree of stretchability has the particular advantage that the film does not tear even under high loads.
  • a shrink film is a film that contracts under certain conditions - in particular when heated and then cooled - and thus "shrinks".
  • the film preferably has a shrink value of at least 5%, in particular at least 10%, at least 20%, at least 30% or at least 40%. Films with shrink properties have the advantage that the film wraps precisely around the contents to be packaged and can even be compressed if necessary.
  • the stretch properties and/or the shrink properties of the film are direction-dependent.
  • the stretch properties and/or the shrink properties of the film are different in the longitudinal direction and in the transverse direction, whereby the longitudinal direction and the transverse direction form an angle of 90°.
  • the elongation at break in the transverse direction is at least 50% higher, in particular at least 75%, at least 100% or at least 200% higher than in the longitudinal direction.
  • the shrinkage value in the longitudinal direction is at least 100% higher, in particular at least 150%, at least 200% or at least 300% higher than in the transverse direction. In this way, an optimal setting of the mechanical properties of the film with regard to the packaging sleeves to be wrapped can be achieved.
  • the shrinkage value of the film in the stacking direction is greater than in the other two spatial directions so that the pack is compressed primarily in the stacking direction when the film shrinks.
  • the shrinkage value of the film in the circumferential direction of the pack is greater than in the two spatial directions so that the film lies in a wave-like manner in the gaps between adjacent packaging sleeves when it shrinks.
  • the plastic film is intended to enclose the packaging sleeves in a wave-like manner, at least in the area of the folded edges.
  • the wave shape can be achieved, for example, by using a shrink film that contracts and is pulled into the gaps between adjacent packaging sleeves. The wave shape prevents the packaging sleeves from slipping.
  • the plastic film has at least one weld seam, which preferably runs approximately in the stacking direction. This allows the outer packaging to be made from a single piece of film that is wrapped around the packaging jacket group and welded. Alternatively, it can be provided that the plastic film has two weld seams, which preferably run approximately in the stacking direction. This allows the outer packaging to be made from two pieces of film that are placed around the packaging jacket group on both sides and welded.
  • the film can be produced in a tubular form (e.g. by extrusion). This makes it possible to provide no weld seam at all in the stacking direction.
  • the packing jacket group can instead be inserted into the tubular or cylindrical film.
  • the plastic film has at least one welded end, which is preferably arranged on one of the front sides of the container.
  • the width of the film is preferably greater than the length of the packaging jacket group to be packed. Therefore, openings are formed on both front sides of the packaging jacket group, which must be closed.
  • One possibility for this is to weld the protruding ends of the plastic film together. Depending on the length of the protruding ends, this creates completely welded ends or an opening remains on the front side after welding, which can also be referred to as a "window".
  • the plastic film has a print.
  • the print can be a machine-readable code, for example a bar code or a two-dimensional code (2D code), in particular a QR code.
  • the print can contain, for example, information about the product, production or product tracking. Alternatively or additionally, the print can contain information about positioning and/or gripping and/or opening the container, which simplifies further processing of the container in a filling machine. It can be provided that the printing takes place directly on the plastic film or that the printing takes place on a sticker that sticks to the plastic film.
  • a blank 1 known from the prior art is shown, from which a packaging sleeve can be formed.
  • the blank 1 can comprise several layers of different materials, for example paper, cardboard, paperboard, plastic or metal, in particular aluminum.
  • the blank 1 has several fold lines 2 which are intended to facilitate the folding of the blank 1 and divide the blank 1 into several surfaces.
  • the blank 1 can be divided into a first side surface 3, a second side surface 4, a front surface 5, a rear surface 6, a sealing surface 7, base surfaces 8 and gable surfaces 9.
  • a packaging sleeve can be formed from the blank 1 by folding the blank 1 in such a way that the sealing surface 7 can be connected to the front surface 5, in particular welded.
  • Fig. 1B shows a packing sleeve 10 known from the prior art in the flat folded state.
  • the already mentioned in connection with Fig. 1A described areas of the packing jacket are in Fig. 1B with corresponding reference symbols.
  • the packing jacket 10 is made of the Fig. 1A shown blank 1.
  • the blank 1 was folded in such a way that the sealing surface 7 and the front surface 5 are arranged in an overlapping manner so that the two surfaces can be welded together.
  • the result is a longitudinal seam 11.
  • the packaging sleeve 10 is shown in a state folded flat along two folding edges F. In this state, a side surface 4 (in Fig. 1B hidden) under the front surface 5 while the other side surface 3 on the rear surface 6 (in Fig.
  • Fig. 2A shows a first prior art container 14' consisting of an outer packaging 15' and several packaging sleeves 10
  • Fig. 2B shows a second prior art container 14" consisting of an outer packaging 15" and several packaging sleeves 10.
  • the outer packaging 15' is made of corrugated cardboard and is therefore very rigid.
  • the outer packaging 15' made of Fig. 2A therefore offers quite good mechanical protection for the packaging sleeves 10 stored therein.
  • a disadvantage of the outer packaging 15' is its very low elasticity, which does not allow the container 14' to be compressed and thus transported in a space-saving manner.
  • a rigid outer packaging has the disadvantage of having to be dismantled after the packaging sleeves 10 have been removed in order to take up less volume.
  • the outer packaging 15" is made of paper, so the packaging sleeves 10 are wrapped in paper like a gift.
  • the outer packaging 15" can therefore simply be folded up and disposed of after the packaging sleeves 10 have been removed.
  • a disadvantage of the outer packaging 15" is, however, the low elasticity and low tear resistance of the paper.
  • the container 14" cannot therefore accommodate the packaging sleeves 10 that have been compressed to save space, as the restoring forces would cause the paper to tear.
  • Fig. 3A shows a first embodiment of a packaging jacket group 16 with an outer packaging
  • Fig. 3B shows a first embodiment of a container 14 according to the invention produced therefrom.
  • Fig. 3A and Fig. 3B about perspective representations. The areas that have already been described are in Fig. 3A and in Fig. 3B provided with corresponding reference symbols.
  • the outer packaging 15 is made of an elastic plastic film 17.
  • the plastic film can have one weld seam 18 or several weld seams 18, for example two on weld seams 18 arranged on opposite sides.
  • the protruding ends 19 of the plastic film 17 can be deflected on the two front sides of the packing jacket group 16 by means of hot air.
  • hot air nozzles 20A, 20B, 20C and 20D are preferably arranged on both front sides of the packing jacket group 16, of which only the front nozzles are shown.
  • the impact on the protruding ends 19 of the plastic film 17 leads to these laying on the front surfaces of the packing jacket group 16 and can be welded together there, as in Fig. 3B where a finished container 14 with closed ends 19 is shown. Due to the relatively large amount of material of the welded ends of the plastic film 17, this has an irregularly shaped structure in the middle area of the end faces, which is however harmless to the function of the outer packaging. It can also be seen that weld seams 18 are folded over on the end faces on both sides of the container 14.
  • nozzles 20A and 20B hot air is first fed into the opposite nozzles 20A and 20B so that the protruding upper and lower ends 19 of the plastic film 17 lie on the end face of the packaging jacket group 16, before the nozzles 20C and 20D are then activated so that all protruding ends 19 are laid flat and welded together. It is clear that no welding should take place between the plastic film 17 and the coating of the outer packaging jackets 10 of the packaging jacket group 16. Finally, it can be seen in Fig. 3A It is clear that the packing jacket group 16 tightly encloses the packing jacket group 16 in the area of its front sides, both at the corners and along its edges, creating a solid unit that is dimensionally stable and therefore easy to transport. In Fig. 3A and in Fig.
  • a loading carrier B is also shown, which - like the packaging sleeves 10 - is enclosed by the plastic film 17.
  • the loading carrier B can, for example, be placed on the packaging sleeves 10 and thus be arranged between the packaging sleeves 10 and the plastic film 17.
  • the loading carrier B serves the purpose of receiving active substances and introducing them into the container 14, for example a sterilizing agent.
  • the loading carrier B can, for example, be designed as a flat sheet.
  • the Load carrier B is merely optional; a container 14 according to the invention may therefore have a load carrier B or not.
  • Fig. 4A shows a second embodiment of a packaging jacket group 16 with an outer packaging
  • Fig. 4B shows a second embodiment of a container 14 according to the invention produced therefrom.
  • Fig. 4A and Fig. 4B about perspective representations. The areas that have already been described above are also in Fig. 4A and in Fig. 4B with corresponding reference symbols.
  • the difference Fig. 3A and Fig. 3B is that the width of the plastic film 17 is shorter in relation to the length of the packing jacket group 16, so that the protruding ends 19 are shorter. This means that the front sides of the packing jacket group 16 cannot be completely covered with plastic film when the protruding ends 19 are folded over the front surface and welded together.
  • Fig. 3A and Fig. 3B is that the width of the plastic film 17 is shorter in relation to the length of the packing jacket group 16, so that the protruding ends 19 are shorter. This means that the front sides of the packing jacket group 16 cannot be completely covered with plastic film when the protruding ends 19
  • a type of window 21 is formed in the middle of the end faces.
  • Such a design of a finished container 14 is desirable, for example, if no thickening is to occur on the end faces due to the plastic film 17 being welded together.
  • Fig. 5A shows a second embodiment of a packaging jacket group 16 with an outer packaging
  • Fig. 5B shows a second embodiment of a container 14 according to the invention produced therefrom.
  • Fig. 5A and Fig. 5B about perspective representations. The areas that have already been described above are also in Fig. 5A and in Fig. 5B with corresponding reference symbols.
  • the difference to Fig. 3A, Fig. 3B as well as Fig. 4A, Fig. 4B lies in the fact that the plastic film 17 has no weld seams.
  • the lateral weld seams running along the stacking direction can be dispensed with, for example, by producing the plastic film 17 in a tubular form (e.g. by extrusion).
  • the plastic film 17 is bag-shaped, so that it already has is locked (in Fig. 5A and Fig. 5B shown at the back) and only needs to be closed at the front end.
  • Fig.6 shows a container 14 according to the invention consisting of an outer packaging and several packaging sleeves 10 in a top view. The areas that have already been described above are also shown in Fig.6 with corresponding reference numerals. Shown are twenty packaging sleeves 10, which are tightly stacked and enclosed and held together by a plastic film 17. The stacking direction S is shown schematically by a double arrow and runs vertically through the packaging sleeves 10. The plastic film 17 forms a window 21 in the area of the lower end face, as already mentioned in connection with Fig. 4B Each packing sleeve 10 clearly has three areas of increased thickness: the areas of the two folded edges F and the area of the longitudinal seam 11. This is shown in the enlarged section of Fig.6 (shown above) is particularly clear.
  • the packaging sleeves 10 have a minimum thickness D 1 which is less than the thickness D 2 in the area of the longitudinal seam 11 and also less than the thickness D 3 in the area of the folded edges F.
  • the increased thickness D 2 in the area of the longitudinal seam 11 is due to the fact that the end area 5' of the front surface 5 and the end area 7' of the sealing surface 7 form an overlap in the area of the longitudinal seam 11.
  • the packaging sleeve 10 therefore has at least a three-layer structure instead of a two-layer structure.
  • one or both end areas 5', 7' can be folded over.
  • Folding the inner end area has the advantage that only the innermost layer of the material of the packaging sleeve 10 can come into contact with the contents of the packaging to be produced from it.
  • Completely folding over the inner end region 7' would, however, lead to a further increase in the thickness of the packaging sleeve 10 in the area of the longitudinal seam 11. It can therefore be provided that only some layers of the end region 7', in particular the innermost layer of the end region 7', are folded over. For this purpose, the other layers are separated or peeled off before folding.
  • the packaging sleeves 10 can only be stacked as densely as their thickest areas allow. These are in particular the areas of the two folded edges F and the area of the longitudinal seam 11.
  • the density of the stacking of the packaging sleeves 10 can be measured and indicated by specifying the number of packaging sleeves 10 per unit length L, where the unit length L is measured along the stacking direction S. In order to obtain the most accurate indication of the stacking density possible, a large number of packaging sleeves 10 should be counted and their number divided by the unit length L (e.g. one hundred packaging sleeves 10).
  • the stacking density is at least 4.0 packing sleeves per cm, in particular at least 4.5 packing sleeves per cm, in particular at least 5.0 packing sleeves per cm, in particular at least 5.5 packing sleeves per cm, in particular at least 6.0 packing sleeves per cm, in particular at least 6.5 packing sleeves per cm, in particular at least 6.75 packing sleeves per cm, in particular at least 7.0 packing sleeves per cm, in particular at least 7.25 packing sleeves per cm or at least 7.5 packing sleeves per cm.
  • Fig.7 finally shows a conventional pallet 22, known as such from the prior art, which is loaded with a large number of containers 14 according to the invention.
  • the individual containers 14, which are formed from a packaging sleeve group 16 having a large number of packaging sleeves 10 and an outer packaging made of a plastic film 17, are stacked on the pallet 22.
  • Such pallets 22 loaded with the containers 14 according to the invention are intended for the further transport of the packaging sleeves 10, for example to the place of filling and production of the finished packaging.
  • edges of the containers 14 stacked on the pallet 22 are provided with an edge protector 23, for example made of reinforced cardboard, which is only used for transport.
  • the entirety of the containers 14, edge protector 23 and at least the carrying side of the pallet 22 is then wrapped in a plastic film 24, in particular a shrink film and/or stretch film and, if necessary, subjected to heat so that it forms a solid unit which cannot slip during transport by truck.
  • the system shown as an example has various advantages over the systems known from the prior art, for example the packaging units made of packaging sleeves packed in an outer box as outer packaging.
  • the outer packaging made of plastic film is significantly more cost-effective.
  • the weight can be reduced in comparison to the solutions in the prior art.
  • the waste generated by the outer packaging can also be reduced and a packaging unit that is better protected against contamination - for example in the form of outer box dust - can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
EP18811787.3A 2017-12-22 2018-11-29 Gebinde aus packungsmänteln und einer umverpackung Active EP3728063B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017131262.5A DE102017131262A1 (de) 2017-12-22 2017-12-22 Gebinde aus Packungsmänteln und einer Umverpackung
PCT/EP2018/082922 WO2019120917A1 (de) 2017-12-22 2018-11-29 Gebinde aus packungsmänteln und einer umverpackung

Publications (2)

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EP3728063A1 EP3728063A1 (de) 2020-10-28
EP3728063B1 true EP3728063B1 (de) 2024-09-11

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EP (1) EP3728063B1 (zh)
JP (1) JP2021507853A (zh)
CN (1) CN111511655A (zh)
AU (1) AU2018387568A1 (zh)
BR (1) BR112020012454B1 (zh)
DE (1) DE102017131262A1 (zh)
MX (1) MX2020005820A (zh)
WO (1) WO2019120917A1 (zh)

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CN117002863A (zh) * 2022-04-28 2023-11-07 康美包（苏州）有限公司 包装膜及其用途与成捆件
US20240150081A1 (en) * 2022-11-04 2024-05-09 Domtar Paper Company, Llc Products and methods incorporating extensible paper

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Also Published As

Publication number Publication date
US11845598B2 (en) 2023-12-19
WO2019120917A1 (de) 2019-06-27
BR112020012454B1 (pt) 2024-01-30
MX2020005820A (es) 2020-08-20
AU2018387568A1 (en) 2020-06-11
DE102017131262A1 (de) 2019-07-11
JP2021507853A (ja) 2021-02-25
CN111511655A (zh) 2020-08-07
BR112020012454A2 (pt) 2020-11-24
US20210070515A1 (en) 2021-03-11
EP3728063A1 (de) 2020-10-28

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