EP3439975B1 - Packungsmantel, verpackung und verfahren zur herstellung einer verpackung - Google Patents

Packungsmantel, verpackung und verfahren zur herstellung einer verpackung Download PDF

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Publication number
EP3439975B1
EP3439975B1 EP17711149.9A EP17711149A EP3439975B1 EP 3439975 B1 EP3439975 B1 EP 3439975B1 EP 17711149 A EP17711149 A EP 17711149A EP 3439975 B1 EP3439975 B1 EP 3439975B1
Authority
EP
European Patent Office
Prior art keywords
package
sleeve
packaging
fold lines
jacket
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
EP17711149.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3439975A1 (de
Inventor
Matthias Dammers
Birgit Birninger
Christoph Mehler
Thomas Vetten
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 Combibloc Services AG
Original Assignee
SIG Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SIG Technology AG filed Critical SIG Technology AG
Priority to PL17711149T priority Critical patent/PL3439975T3/pl
Publication of EP3439975A1 publication Critical patent/EP3439975A1/de
Application granted granted Critical
Publication of EP3439975B1 publication Critical patent/EP3439975B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/08—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape having a cross-section of varying shape, e.g. circular merging into square or rectangular
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0209—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body having a curved or partially curved cross-section
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/029—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body presenting a special shape
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/06—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
    • B65D5/064—Rectangular containers having a body with gusset-flaps folded outwardly or adhered to the side or the top of the container
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/746—Spouts formed separately from the container
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/40—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to contain liquids

Definitions

  • the invention relates to a package jacket made of a composite material for the production of a package, comprising: a jacket surface with an inner section and with two outer sections, a longitudinal seam which connects two edges of the composite material to form a circumferential pack jacket, two dummy fold lines which run through the jacket surface, wherein the package jacket is folded along both dummy fold lines and wherein the package jacket has no further continuous fold lines apart from the two dummy fold lines in the area of the inner partial area of the jacket surface.
  • the invention also relates to a package made from a composite material, the package being made from a package jacket described above, and the package being closed in the area of the bottom surfaces and in the area of the gable surfaces.
  • the invention finally relates to a method for producing a package from a package jacket made of a composite material.
  • Packaging can be produced 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 first a packaging jacket and finally a packaging are produced by folding and further steps.
  • This type of production has the advantage, among other things, that the blanks and pack sleeves are very flat and can therefore be stacked to save space. In this way, the blanks or packaging jackets can be produced at a different location than the folding and filling of the packaging jackets.
  • Composite materials 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 widespread in the food industry.
  • a first manufacturing step often consists in producing a circumferential packaging jacket from a blank by folding and welding or gluing a seam.
  • the blank is usually folded along embossed fold lines.
  • the position of the fold lines corresponds to the position of the edges of the packaging to be produced from the pack jacket.
  • a pack jacket is made from the sheet or sheet-like composite and finished ready for sale, whereby a pack jacket is to be regarded as ready for sale if, after removal from an outer packaging intended for transport from the production site to the place of use, it is readily available for processing in a intended filling machine is ready. In particular, this means that no mechanical interventions are required on the pack jacket to ensure smooth processing of the pack jacket on the filling machine provided for this purpose.
  • Conditioning to the ambient climate and / or (additional) sterilization eg edge sterilization method by the applicant, on the other hand, can optionally also be carried out on a finished pack jacket during or after transport to the intended place of use.
  • a method for producing a package from a package jacket is, for example, from US Pat WO 2015/003852 A9 known (there in particular Figures 1A to 1E ).
  • the packaging described there has a rectangular cross-sectional area and is overall cuboid.
  • packagings with cross-sectional areas that have more than four corners are also known. From the EP 0 936 150 B1 or the U.S. 6,042,527 for example, packaging with an octagonal cross-sectional area is known. The shape of the packaging is achieved by providing additional fold lines in the blanks.
  • Packing sleeves (“sleeves”) and packaging (“containers”) made therefrom are also from the EP 0 027 350 A1 known. With the package jacket described there, packagings can be produced whose cross-sectional area changes in the vertical direction (square cross-sectional areas on the gable and on the bottom, octagonal cross-sectional areas in between). However, this packaging also has only angular cross-sectional areas. Alternative designs such as curves or free forms instead of the edges are also used in the EP 0 027 350 A1 not described.
  • the package jacket described there is also not made of composite material, but of cardboard or corrugated cardboard. An inner bag made of plastic is proposed for filling with liquids, so that the package jacket itself does not have to be suitable for producing liquid-tight packaging.
  • Packing jackets and packaging made from them are also used in the GB 808,223 A described.
  • a long cardboard material web is first provided with fold lines and then coated with a plastic layer (FIG. 6).
  • a longitudinal seam has been produced (FIG. 7)
  • the material web is unfolded into a tube with a rectangular cross section (FIG. 8).
  • the two side faces of the hose are then folded inwards, whereby the tube assumes a flat shape (Fig. 9).
  • transverse seams are created along which the tube can be folded and thus forms a stack (FIG. 10).
  • By separating the tube in the area of the transverse seams individual packing jackets are obtained which are already closed on one side - by the transverse seam.
  • a disadvantage of this procedure is that the pack jackets are already folded along six fold lines when they are separated from the tube, four of which fold lines form the edges of the later pack. These pack jackets are therefore also only suitable for producing packs with rectangular cross-sectional areas.
  • the design freedom of the gable or floor surface that is created in the area of the already closed transverse seam is severely restricted.
  • Particularly disadvantageous are the high deformation forces that are required to unfold and deform the pack jacket ("sleeve") into a pack open on one side (this intermediate state is also referred to as a "cup").
  • the high deformation forces lead to a considerable load on the seams that have already been sealed, so that liquid and / or gas tightness is no longer given with sufficient reliability.
  • the GB 419 077A discloses a container that EP 0 144 736 A2 discloses packaging for liquids and the WO 2009/141 389 A2 discloses container blanks and containers.
  • the invention is based on the object of designing the pack jacket described at the outset and explained in more detail above in such a way that the production of packs - in particular liquid-tight packs - with complex geometry is made possible.
  • the package jacket according to the invention consists of a composite material and is used to produce a package.
  • the pack jacket can consist of a composite of several thin layers of paper, cardboard, plastic or metal, in particular aluminum.
  • the packing jacket is preferably in one piece.
  • the pack jacket comprises a jacket surface with an inner sub-area and with two outer sub-areas, which replace the front surface, the rear surface and the two side surfaces in the case of packagings produced therefrom.
  • the packing jacket furthermore comprises a longitudinal seam which connects two edges of the composite material to form a circumferential packing jacket.
  • the longitudinal seam can be used to produce a flat - usually rectangular - blank that is closed in the circumferential direction, surrounding the packaging.
  • the longitudinal seam can be produced, for example, by gluing and / or welding.
  • packaging jackets are also referred to as longitudinally-sealed packaging jackets.
  • the package jacket also has two dummy fold lines which run through the jacket surface.
  • the dummy fold lines like conventional fold lines - should make it easier to fold the pack jacket. False fold lines can be created by weakening the material. Since the packaging should be impervious to liquids, no perforations are used as material weaknesses, but so-called "grooves". Creases are linear material displacements that are embossed into the composite material with spinning tools.
  • the package jacket is folded along both dummy fold lines.
  • the sham fold lines divide the surface area into an inner sub-area and two outer sub-areas.
  • the inner sub-area lies between the two dummy fold lines and the outer sub-areas lie next to or outside the two dummy fold lines.
  • the inner partial area of the jacket surface forms the front side of the packing jacket and the two outer partial areas of the jacket surface together form the rear side of the packing jacket.
  • the pack jacket has no further continuous fold lines in the area of the inner partial area of the jacket surface, apart from the two dummy fold lines.
  • the package jacket should not have any further continuous fold lines in the area between the two dummy fold lines.
  • the package jacket preferably has no further continuous fold lines in the area of the entire jacket surface apart from the two dummy fold lines.
  • the invention is therefore based on the idea of not folding the pack jacket along fold lines which form the edges of the packaging made from the pack jacket.
  • the package jacket should therefore not be folded at fold lines which delimit the front surface, the rear surface and the two side surfaces from one another.
  • real fold lines are dispensed with at least in the area of the inner partial area of the jacket surface - but preferably in the area of the entire jacket surface - and the package jacket should only be folded along "dummy fold lines" which later do not form an edge of the package. Folding along the dummy fold lines therefore only takes place in the case of the pack jacket, not but with the packaging made from it.
  • Continuous fold lines are understood to mean fold lines which completely traverse the outer surface, for example from the bottom surfaces to the gable surfaces.
  • the package jacket has no further fold lines at all apart from the two dummy fold lines.
  • the pack jacket is folded flat along both dummy fold lines by an angle of approximately 180 ° in each case.
  • the pack jacket is thus folded flat around the dummy grooves in such a way that a front section and a rear section of the pack jacket lie on top of one another.
  • the folding at an angle of about 180 ° enables particularly flat pack sleeves. This allows packing sleeves to be stacked in a space-saving manner, which, for example, facilitates transport. In this way, the packaging jackets can be produced at a different location than the filling and production of the packaging takes place.
  • the package jacket is preferably folded outwards along both dummy fold lines.
  • Another embodiment of the package jacket provides that the two dummy fold lines run parallel to one another.
  • the two dummy fold lines are straight and preferably run parallel to one another.
  • the parallel arrangement has the advantage that the dummy fold lines can be impressed particularly easily in the composite material.
  • Another advantage of the parallel arrangement of the dummy fold lines is that the pack jacket can be produced from a rectangular blank and no more complicated geometries (eg trapezoidal blanks) are required.
  • the pack jacket is also characterized by bottom surfaces and gable surfaces, which are arranged on opposite sides of the jacket surface.
  • the gable surfaces are preferably arranged above the outer surface and the bottom surfaces are arranged below the outer surface.
  • the bottom surfaces and the gable surfaces each include two rectangular surfaces and six triangular surfaces.
  • the rectangular areas and the triangular areas are preferably surrounded or delimited by fold lines.
  • the rectangular areas are used to fold the bottom and the gable of the packaging.
  • the triangular surfaces are used to fold excess composite material into protruding "ears" which are then placed against the packaging.
  • the dummy fold lines run through the point of contact between three adjacent triangular surfaces of the bottom surface and through the point of contact between three adjacent triangular surfaces of the gable surfaces.
  • This arrangement of the dummy fold lines has the advantage that the dummy fold lines run through the bottom surface and the gable surface at a point where these surfaces have to be folded anyway, for example to form "ears". The folding of the package jacket along the dummy fold lines therefore already leads to a “pre-fold” of the fold line running centrally through the “ears”.
  • Another advantage of the central arrangement of the bill fold lines is that the bill fold lines limit the space for the design of the edge areas of the packaging as little as possible.
  • two of the triangular surfaces of the bottom surface and / or the gable surface have approximately the same surface area.
  • all three triangular surfaces of the bottom surface and / or the gable surface have different surface areas.
  • the gable surface on the rear side of the pack jacket has a shorter length than the length of the gable surface on the front side of the pack jacket. This design results in the front surface of the packaging having a lower height than the rear surface of the packaging. The packaging thus has a sloping top.
  • Another embodiment of the pack jacket provides that the dummy fold lines are embossed from the inside to the outside of the pack jacket and / or from the outside to the inside of the pack jacket. Depending on the position and folding direction of a fold line, changing the embossing direction can lead to better folding results. In addition, in this way, simultaneously or in one production step with the dummy folding lines - not intended for folding - outwardly directed and protruding lines can be produced which, for example, serve to be able to grip the packaging better and hold it more securely. A combination of both embossing directions can be provided for the packing jacket.
  • the composite material of the packing jacket have a thickness in the range between 150 g / m 2 and 400 g / m 2 , in particular between 200 g / m 2 and 250 g / m 2 .
  • a strength in this area has proven to be a good compromise between low cost and low weight (composite material that is as thin as possible) and sufficient mechanical properties (composite material that is as thick as possible).
  • the composite material in the case of the pack jacket, provision is also made for the composite material to have at least one layer of paper or cardboard, which is covered at the edge of the longitudinal seam running inside the pack jacket.
  • the purpose of covering the paper layer or cardboard layer is to avoid contact between the contents of the packaging and this layer. This serves on the one hand to prevent liquid from escaping through the - not liquid-tight - paper layer or cardboard layer and, on the other hand, to protect the contents of the packaging from contamination through the paper layer or cardboard layer (e.g. fibers of the cellulose).
  • the layer made of paper or cardboard is covered by a sealing strip and / or by folding over the composite material in the area of the longitudinal seam.
  • a sealing strip can for example be made of the same material as the innermost layer of the composite material and can be glued or welded to this bearing.
  • Another possibility for covering is to fold over or fold 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 appear on the edge of the longitudinal seam running inside the package jacket. However, the innermost layer must anyway 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 which has fewer layers in the peeled area than in the other areas. The peeling has the advantage of a less pronounced increase in thickness, particularly in the area of overlapping of several material layers. 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.
  • the package jacket can be supplemented by a material weakening, in particular an over-coated hole, in one of the gable surfaces for fastening a pouring element.
  • the weakening of the material serves to facilitate the subsequent attachment of a pouring element.
  • a through hole is first punched in the composite material, which is then coated over.
  • the overcoating can take place, for example, with a plastic film and is used to seal the packaging until the pouring element is applied.
  • the pack jacket is open both in the area of the bottom surfaces and in the region of the gable surfaces.
  • the package jacket has two openings, one opening being arranged in the region of the bottom surface and the other opening being arranged in the region of the gable surface.
  • the package jacket can be unfolded particularly easily through the two opposing openings, which creates the shape of a tube or a sleeve.
  • One advantage of packing sleeves that are open on both sides is - in contrast to the WO 97/32787 A2 - in the variable design options for the floor.
  • the orientation of the "ears" can be freely selected.
  • a floor variant can, for example, provide that the ears are folded under the rectangular surfaces of the floor and fastened there.
  • Another floor variant on the other hand, can provide inwardly directed ears which are arranged above the rectangular surfaces of the floor that are later folded in.
  • the above-described object is also achieved by a packaging made of a composite material, the packaging being made from a pack casing according to one of Claims 1 to 11, and the packaging being closed in the area of the bottom surfaces and in the area of the gable surfaces.
  • the packaging is characterized in that the packaging has no continuous straight folded edges in the area of the inner partial area of the lateral surface. In the area of the entire surface area, the packaging preferably has no further continuous straight fold lines apart from the two dummy fold lines.
  • the packaging is made from one of the packaging sleeves described above, many properties and advantages of the packaging sleeve also occur in the packaging.
  • a particular advantage is that the packaging has no angular folded edges at least in the area of the inner partial area of its jacket surface - but preferably in the area of its entire jacket surface - although it was made from a pack jacket which is folded at two points. This is achieved by the fact that the package jacket along the length of the package during manufacture two dummy fold lines is "folded back" so that the subregions of the lateral surface adjoining the dummy fold lines merge again approximately continuously into one another. The dummy fold lines do not form the edges of the packaging, but lie - barely visible - in the outer surface of the packaging.
  • a packaging with an individually shaped, for example curved, outer surface should be achieved.
  • the packaging has no folding edges at all, at least in the area of the inner partial area of the lateral surface - but preferably in the area of the entire lateral surface.
  • the packaging preferably has a volume in the range between 50 ml and 4000 ml, in particular between 250 ml and 350 ml.
  • the packaging is preferably in one piece.
  • the part of the packaging made from the composite material is preferably in one piece. This part of the packaging can be supplemented by further elements, for example by a pouring element (for example a flap or screw cap made of plastic) or a drinking aid (for example a straw).
  • the partial areas of the lateral surface adjoining the dummy fold lines are each arranged in an angular range between 160 ° and 200 °, in particular between 170 ° and 190 °, to one another.
  • a particular advantage of this embodiment is that the packaging has no folded edges on its sides and thus no angular edges. This is achieved in that the package jacket is "folded back" along the two dummy fold lines during the production of the package, so that the partial areas of the jacket surface adjoining the dummy fold lines are arranged approximately in the same plane.
  • the packaging is characterized by ears that are placed against the bottom surfaces in the lower area of the packaging.
  • the packaging is characterized by ears that are placed against the outer surface in the upper area of the packaging.
  • the ears can be placed on the floor surface in different ways:
  • a floor variant provides that the ears are folded under the rectangular surfaces of the floor and fastened there become.
  • Another floor variant provides inwardly directed ears which are arranged above the rectangular surfaces of the floor that are later folded in.
  • the first variant has the advantage that the ears are pressed securely against the packaging by the weight of the filled packaging, while the second variant, on the other hand, offers a particularly smooth bottom surface.
  • the arrangement of the upper ears on the lateral surface has the advantage that a pouring element can be arranged on the top of the packaging.
  • the object described at the beginning is also achieved by a method for producing a package from a package jacket made of a composite material.
  • the method comprises the following steps: a) providing a packing jacket according to one of claims 1 to 11, b) folding back the jacket surface of the packing jacket along both dummy fold lines.
  • the method can be supplemented by the following steps, which are carried out after step a) and after step b): c) sealing the pack jacket in the area of the bottom surfaces; d) filling the packaging; e) Sealing of the packing jacket in the area of the gable surface.
  • the method is also based on the idea of producing a package from a package jacket, the dummy folding edges of which do not form any edges of the package produced from it. This is made possible by the fact that the package jacket, which has been folded along the dummy fold lines, is "folded back", the folding along the dummy fold lines being reversed. The dummy fold lines provided in the package jacket therefore do not form an edge of the package. This allows packaging with complex geometry to be produced.
  • the partial areas of the lateral surface adjoining the dummy fold lines are again each in an angular range between 160 ° and 200 °, in particular between 170 ° and 190 °, after folding back.
  • the partial areas of the lateral surface should be so far along the Sham fold lines are folded back so that the lateral surface has almost continuous transitions between the subregions of the lateral surface.
  • FIG. 1A a blank 1 known from the prior art is shown, from which a package jacket can be formed.
  • the blank 1 can comprise several layers of different materials, for example paper, cardboard, 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 areas.
  • 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, bottom surfaces 8 and gable surfaces 9.
  • a pack jacket 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 by welding.
  • Figure 1B shows a package jacket 10 known from the prior art in the folded flat state.
  • the ones already related to Figure 1A areas described of the packing jacket are in Figure 1B provided with corresponding reference symbols.
  • the packing jacket 10 is from the in Figure 1A shown blank 1 formed.
  • the blank 1 was folded in such a way that the sealing surface 7 and the front surface 5 are arranged so as to overlap, so that the two surfaces can be welded to one another over a large area.
  • the result is a longitudinal seam 11.
  • the package jacket 10 is shown in a flat folded state. In this state, a side face 4 (in Figure 1B hidden) under the front surface 5 while the other side surface 3 on the rear surface 6 (in Figure 1B hidden).
  • packaging jackets 10 can be stacked in a particularly space-saving manner. Therefore, the package jackets 10 are often stacked at the place of manufacture and transported in stacks to the place of filling. It is only there that the packaging jackets 10 are stacked and unfolded so that they can be filled with contents, for example with food. The filling can take place under aseptic conditions.
  • FIG 1C the packing jacket 10 is off Figure 1B shown in the unfolded state. Again, those are already related to Figure 1A or 1B Areas of the packing jacket 10 described are provided with corresponding reference numerals.
  • the unfolded state is understood to mean a configuration in which an angle of approximately 90 ° is formed between the two adjacent surfaces 3, 4, 5, 6, so that the pack jacket 10 - depending on the shape of these surfaces - is square or rectangular Has cross section. Accordingly, the opposite side surfaces 3, 4 are arranged parallel to one another. The same applies to the front surface 5 and the rear surface 6.
  • Figure 1D shows the packing jacket 10 from Figure 1C in the pre-folded state, that is to say in a state in which the fold lines 2 have been pre-folded both in the region of the bottom surfaces 8 and in the region of the gable surfaces 9.
  • Those areas of the bottom surfaces 8 and the gable surfaces 9 which adjoin the front surface 5 and the rear surface 6 are also referred to as rectangular surfaces 12.
  • the rectangular areas 12 are folded inward during the pre-folding and form later the bottom or the gable of the packaging.
  • Those areas of the bottom surfaces 8 and the gable surfaces 9 which adjoin the side surfaces 3, 4, on the other hand, are referred to as triangular surfaces 13.
  • the triangular surfaces 13 are folded outwards during the pre-folding and form protruding areas made of excess material, which are also referred to as "ears" 14 and are applied to the packaging in a later manufacturing step - for example by means of an adhesive process.
  • FIG 1E is a packaging 15 known from the prior art, which is derived from the in Figure 1A shown is formed is shown.
  • the packaging 15 is shown after welding, that is to say in the filled and closed state.
  • a fin seam 16 is created after the closure Figure 1E the ears 14 and the fin seam 16 protrude. Both the ears 14 and the fin seam 16 are created in a later manufacturing step, for example by welding processes - in particular comprising activation and pressing.
  • Figure 1F shows the packaging 15 Figure 1E with ears 14 attached.
  • the fin seams 16 are also attached to the packaging 15.
  • the upper ears 14 arranged in the region of the gable surface 9 are folded down and laid flat against the two side surfaces 3, 4.
  • the upper ears 14 are preferably glued or welded to the two side surfaces 3, 4.
  • the lower ears 14 arranged in the area of the bottom surface 8 are also folded down, but placed flat against the underside of the packaging 15, which is formed by two rectangular surfaces 12 of the bottom surface 8.
  • the lower ears 14 are preferably also glued or welded to the packaging 15 - in particular to the rectangular surfaces 12.
  • Figure 2A shows a blank 1 'for producing a first embodiment of a packing jacket according to the invention.
  • the ones already related to Figures 1A to 1F described areas of the blank are in Figure 2A provided with corresponding reference symbols.
  • the bottom surface 8 and the gable surface 9 are off from the blank 1 Figure 1A unchanged.
  • the jacket surface 17 extends - apart from the sealing surface 7 - over the entire width of the blank 1 '.
  • the blank 1 ′ has two dummy fold lines 18 in the area of the lateral surface 17. The two dummy fold lines 18 are straight and run parallel to one another.
  • the dummy fold lines 18 run through a contact point SB of three neighboring triangular surfaces 13 of the bottom surface 8 and through a contact point SG of three neighboring triangular surfaces 13 of the gable surfaces 9.
  • the dummy fold lines 18 divide the outer surface 17 into an inner sub-area 17A and two outer sub-areas 17B divided.
  • the inner sub-area 17A lies between the two dummy fold lines 18 and the outer sub-areas 17B lie next to or outside the two dummy fold lines 18.
  • the bottom surfaces 8 have four corner points E8 and the gable surfaces 9 have four corner points E9.
  • the corner points E8, E9 represent corner points of the packaging to be produced from the blank 1 '.
  • Each corner point E8 of a bottom surface 8 is assigned a corresponding corner point E9 of a gable surface 9, which is the corner point E9 that is above this when the packaging is standing Corner point E8 is arranged.
  • a corner axis EA runs through two mutually associated corner points E8, E9, which would correspond to a vertical packaging edge in the case of conventional cuboid packaging.
  • the in Figure 2A The blank 1 'shown here are therefore - just as in the case of the package jacket produced therefrom and the packaging produced therefrom - four corner axes EA (for reasons of clarity, only one corner axis EA is always shown). No folding lines are provided between the corner points E8 of the floor surfaces 8 and the corner points E9 of the gable surfaces 9 assigned to them - that is, along the corner axes EA.
  • Figure 2B shows a first embodiment of a packing jacket 10 'according to the invention, which consists of the in Figure 2A shown blank 1 'is formed, in a front view.
  • the ones already related to Figures 1A to 2A described areas of the packing jacket are in Figure 2B provided with corresponding reference symbols.
  • the package jacket 10 ' was created from the blank 1' in two steps: First, the blank 1 'is folded along the two dummy fold lines 18. Then the two partial areas 17A, 17B of the jacket surface 17 are connected to one another in the area of the sealing surface 7, in particular welded, whereby a (in Figure 2B hidden) longitudinal seam 11 arises.
  • the package jacket 1 'thus has a circumferential structure that is closed in the circumferential direction with an opening in the area of the bottom surface 8 and with an opening in the area of the gable surface 9.
  • the inner sub-area 17A of the jacket surface 17 is visible, which is covered on both sides by the dummy fold lines 18 is limited.
  • the remaining subregions 17B of the jacket surface 17 are on the back of the packing jacket 10 'and therefore in Figure 2B covered.
  • FIG 2C the packing jacket 1 'is off Figure 2B shown in a rear view.
  • the ones already related to Figures 1A to 2B described areas of the packing jacket are in Figure 2C provided with corresponding reference symbols.
  • the two outer partial areas 17B of the lateral surface 17 are visible, which are connected to one another by the longitudinal seam 11 and which are delimited on both sides by the dummy fold lines 18.
  • the inner sub-area 17A of the jacket surface 17 is on the front side of the packing jacket 10 'and therefore in Figure 2C covered.
  • Figure 2D shows the packing jacket 1 ' Figures 2B and 2C in the unfolded state.
  • the ones already related to Figures 1A to 2C described areas of the packing jacket are in Figure 2D provided with corresponding reference symbols.
  • the unfolded state is achieved by folding back the package jacket 1 ′ along the dummy fold lines 18 running through the jacket surface 17. It is folded back by about 180 °.
  • the folding back along the note fold lines 18 has the consequence that the two partial areas 17A, 17B of the lateral surface 17 adjoining the note fold line 18 no longer lie on top of one another, but are arranged in the same plane.
  • the packing jacket 10 ' is therefore only in its flat state ( Figures 2B, 2C ) folded along the note fold lines 18; in the unfolded state ( Figure 2D ), however, the package jacket 10 '(as well as the packaging to be produced from it) is not folded more along the dummy fold lines 18. Hence the term "Schein" fold lines 18.
  • Figure 2E the packing jacket 10 'is off Figure 2D shown with pre-folded base and gable surfaces.
  • the ones already related to Figures 1A to 2D described areas of the packing jacket are in Figure 2E provided with corresponding reference symbols.
  • the pre-folded state denotes (as in Figure 1D ) a state in which the fold lines 2 have been pre-folded both in the area of the bottom surfaces 8 and in the area of the gable surfaces 9.
  • the rectangular surfaces 12 are folded inward during the pre-folding and later form the bottom or the gable of the packaging.
  • the triangular surfaces 13 are folded outwards during the pre-folding and form protruding areas made of excess material, which are also referred to as "ears" 14 and are applied to the packaging in a later manufacturing step - for example by means of an adhesive process.
  • FIG. 2E the packing jacket 10 'is also made of Figure 2D shown with pre-folded base and gable surfaces, which is why corresponding reference numerals are used here.
  • the difference to Figure 2E lies in the fact that the triangular surfaces 13 are not folded outwards but inwards.
  • Figure 2F shows a first embodiment of a packaging 15 'according to the invention, which consists of the in Figure 2B shown packing jacket 10 'is formed after welding.
  • the ones already related to Figures 1A to 2E described areas of the packaging are in Figure 2E provided with corresponding reference symbols.
  • the packaging 15 ' is shown after welding, that is to say in the filled and closed state.
  • a fin seam 16 is created after the closure Figure 2F the ears 14 and the fin seam 16 protrude. Both the ears 14 and the fin seam 16 are created in a later manufacturing step, for example by means of an adhesive process.
  • FIG. 2F ' also shows a first embodiment of a packaging 15 'according to the invention, which is derived from the in Figure 2B shown packing jacket 10 'is formed after welding. Corresponding reference symbols are therefore also used here.
  • the difference to Figure 2F lies in the fact that the triangular surfaces 13 were not folded outwards, but inwards before welding. The "ears" 14 therefore do not protrude outwards, but rather extend inwards. This leads to a shorter fin seam 16.
  • the packaging is 15 'off Figure 2F shown with ears 14 attached.
  • the ones already related to Figures 1A to 2F described areas of the packaging are in Figure 2G provided with corresponding reference symbols.
  • the fin seams 16 are also placed on the packaging 15 '.
  • the upper ears 14 arranged in the region of the gable surface 9 are folded down and laid flat against the lateral surface 17.
  • the upper ears 14 are preferably glued or welded to the jacket surface 17.
  • the lower ears 14 arranged in the area of the bottom surface 8 are also folded down, but placed flat against the underside of the packaging 15 ′, which is formed by two rectangular surfaces 12 of the bottom surface 8.
  • the lower ears 14 are preferably also glued or welded to the packaging 15 ′ - in particular to the rectangular surfaces 12.
  • the packaging 15 'shown here although the jacket surface 17 is curved, it does not have any folded edges in the region of the jacket surface 17.
  • FIG. 2G ' the packaging is 15 'off Fig. 2F ' shown with the fin seam 16 applied.
  • the fin seam 16 is folded over and laid flat against the underside of the packaging 15 ′, which is formed by two rectangular surfaces 12 of the bottom surface 8.
  • the fin seam 16 is preferably glued or welded to the packaging 15 '- in particular to a rectangular surface 12.
  • the difference to Figure 2G lies in the structure of the bottom of the package 15 ':
  • the ears 14 are arranged below the rectangular surfaces 12 and are thus visible from the underside; in Fig. 2G ' however, the rectangular areas 12 are arranged below the ears 14 and are thus visible from the underside.
  • FIG. 3A shows a blank 1 ′′ for producing a second embodiment of a packaging jacket according to the invention.
  • the blank 1 ′′ in FIG Figure 3A largely corresponds to the 1 'in Figure 2A so that corresponding reference symbols are used here as well.
  • One difference lies in the shape of the gable surface 9: While the length L8 of the bottom surface 8 is constant over the entire width of the blank 1 ′′, the length of the gable surface 9 assumes different values. Adjacent to the outer partial areas 17B of the lateral surface 17, the gable surface 9 has a reduced length L9 min . Adjacent to the inner sub-area 17A of the lateral surface 17, however, the gable surface 9 has an increased length L9 max .
  • the blank 1 ′′ has two dummy fold lines 18 in the area of the lateral surface 17.
  • the two dummy fold lines 18 are straight and run parallel to one another.
  • the dummy fold lines 18 run through a contact point SB of three adjacent triangular surfaces 13 of the bottom surface 8 and through a point of contact SG of three adjacent triangular surfaces 13 of the gable surface n 9.
  • FIG 3B is a second embodiment of a packing jacket 10 "according to the invention, which is composed of the in Figure 3A
  • the blank 1 "shown is formed in a front view.
  • the package jacket 10" in FIG Figure 3B largely corresponds to the packing jacket 10 'in Figure 2B so that corresponding reference symbols are used here as well.
  • One difference lies in the increased length L9 max of the gable surface 9 in its area adjoining the front partial area 17A of the lateral surface 17.
  • Figure 3C shows the packing jacket 10 ′′ Figure 3B in a rear view.
  • the packing jacket 10 "in Figure 3C largely corresponds to the packing jacket 10 'in Figure 2C so that corresponding reference symbols are used here as well.
  • One difference lies in the reduced length L9 min of the gable surface 9 in its area adjoining the outer partial areas 17B of the lateral surface 17.
  • the packing jacket is 10 "off Figures 3B and 3C shown in the unfolded state.
  • the packing jacket 10 "in Figure 3D largely corresponds to the packing jacket 10 'in Figure 2D so that corresponding reference symbols are used here as well.
  • One difference lies in the increased length L9 max of the gable surface 9 in its area adjoining the inner sub-area 17A of the lateral surface 17 and in the reduced length L9 min of the gable surface 9 in its area adjoining the outer sub-areas 17B of the lateral surface 17.
  • Figure 3E shows the packing jacket 10 ′′ Figure 3D with pre-folded base and gable surfaces.
  • the packing jacket 10 "in Figure 3E largely corresponds to the packing jacket 10 'in Figure 2E so that corresponding reference symbols are used here as well.
  • One difference lies in the increased length L9 max of the gable surface 9 in its area adjoining the inner sub-area 17A of the lateral surface 17 and in the reduced length L9 min of the gable surface 9 in its area adjoining the outer sub-areas 17B.
  • Fig. 3E ' also shows the packing jacket 10 ′′ Figure 3D with pre-folded base and gable surfaces, which is why corresponding reference symbols are also used here.
  • the difference to Figure 3E lies in the fact that the triangular surfaces 13 are not folded outwards but inwards.
  • FIG. 3F is a second embodiment of a packaging 15 "according to the invention, which consists of the in Figure 3B
  • the package jacket 10 "shown is formed after welding.
  • the package 15" in FIG Figure 3F largely corresponds to packaging 15 'in Figure 2F so that corresponding reference symbols are used here as well.
  • One difference lies in the increased length L9 max of the gable surface 9 in its area adjoining the inner subarea 17A of the lateral surface 17 and in the reduced length L9 min of the gable surface 9 in its area adjoining the outer subareas 17B of the lateral surface 17.
  • the increased length L9 max of the gable surface 9 leads to a large area which can be used for a pouring element 19.
  • FIG. 3F ' is also a second embodiment of a packaging 15 "according to the invention, which is derived from the in Figure 3B Packing jacket 10 ′′ shown is formed after welding. Corresponding reference numerals are therefore used here as well Figure 3F lies in the fact that the triangular surfaces 13 were not folded outwards, but inwards before welding. The "ears" 14 therefore do not protrude outwards, but rather extend inwards. This leads to a shorter fin seam 16.
  • Figure 3G finally shows the packaging 15 ′′ Figure 3F with ears flat 14.
  • the packing 15 "in Figure 3G largely corresponds to packaging 15 'in Figure 2G so that corresponding reference symbols are used here as well.
  • the increased length L9 max of the gable surface 9 leads to a large area which can be used for a pouring element 19. Due to the sloping upper side of the packaging 15 ′′, such packaging is also referred to as “sloping gable packaging”.
  • FIG. 3G ' finally shows the packaging 15 ′′ Fig. 3F ' with the fin seam 16 applied.
  • the fin seam 16 is folded over and laid flat against the underside of the packaging 15 ′′, which is formed by two rectangular surfaces 12 of the bottom surface 8.
  • the fin seam 16 is preferably glued or welded to the packaging 15 ′′ - in particular to a rectangular surface 12.
  • the difference to Figure 3G lies in the structure of the bottom of the packaging 15 ": In Figure 3G the ears 14 are arranged below the rectangular surfaces 12 and are thus visible from the underside; in Fig. 3G ' however, the rectangular areas 12 are arranged below the ears 14 and are thus visible from the underside.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
EP17711149.9A 2016-04-04 2017-03-16 Packungsmantel, verpackung und verfahren zur herstellung einer verpackung Active EP3439975B1 (de)

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PL17711149T PL3439975T3 (pl) 2016-04-04 2017-03-16 Rękaw opakowaniowy, opakowanie i sposób wytwarzania opakowania

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DE102016003824.1A DE102016003824A1 (de) 2016-04-04 2016-04-04 Packungsmantel, Verpackung und Verfahren zur Herstellung einer Verpackung
PCT/EP2017/056197 WO2017174316A1 (de) 2016-04-04 2017-03-16 Packungsmantel, verpackung und verfahren zur herstellung einer verpackung

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DE102017131262A1 (de) * 2017-12-22 2019-07-11 Sig Technology Ag Gebinde aus Packungsmänteln und einer Umverpackung
WO2019201862A1 (en) 2018-04-20 2019-10-24 Tetra Laval Holdings & Finance S.A. A sheet packaging material for producing a sealed package containing a pourable food product and a sealed package obtained from a sheet packaging material
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BR112018069525B1 (pt) 2023-02-14
CN107264914A (zh) 2017-10-20
BR112018069525A2 (pt) 2019-01-29
CN206766540U (zh) 2017-12-19
JP7005510B2 (ja) 2022-01-21
PL3439975T3 (pl) 2021-07-05
JP2019510701A (ja) 2019-04-18
US20190337664A1 (en) 2019-11-07
MX2018010557A (es) 2018-11-09
DE102016003824A1 (de) 2017-10-05
BR112018069525A8 (pt) 2023-01-03
WO2017174316A1 (de) 2017-10-12
EP3439975A1 (de) 2019-02-13
ES2863653T3 (es) 2021-10-11

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