EP3439977B1 - Enveloppe d'emballage, emballage et procédé de fabrication d'un emballage - Google Patents

Enveloppe d'emballage, emballage et procédé de fabrication d'un emballage Download PDF

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Publication number
EP3439977B1
EP3439977B1 EP17711612.6A EP17711612A EP3439977B1 EP 3439977 B1 EP3439977 B1 EP 3439977B1 EP 17711612 A EP17711612 A EP 17711612A EP 3439977 B1 EP3439977 B1 EP 3439977B1
Authority
EP
European Patent Office
Prior art keywords
carton
sleeve
area
fold lines
gable
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
EP17711612.6A
Other languages
German (de)
English (en)
Other versions
EP3439977A1 (fr
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 PL17711612T priority Critical patent/PL3439977T3/pl
Publication of EP3439977A1 publication Critical patent/EP3439977A1/fr
Application granted granted Critical
Publication of EP3439977B1 publication Critical patent/EP3439977B1/fr
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
    • 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

Definitions

  • the invention relates to a packaging jacket made of a composite material for producing a package, comprising: a jacket surface, a longitudinal seam which connects two edges of the composite material to form a circumferential packaging jacket, and two dummy fold lines which run through the jacket surface, the packing jacket being folded along both dummy fold lines is.
  • the invention also relates to a package made of a composite material, the package being produced from a previously mentioned packaging jacket and the package being closed in the region of the bottom surfaces and in the region of the gable surfaces.
  • the invention relates to a method for producing a package from a package jacket made of a composite material.
  • Packs can be made in different ways and from different materials.
  • a widespread possibility of their production consists in producing a blank from the packaging material, from which, by folding and further steps, first a packaging jacket and finally a packaging is produced which, when filled and closed, forms a package.
  • This type of production has the advantage, among other things, that the blanks and packing sleeves are very flat and can therefore be stacked and transported in a space-saving manner. In this way, the blanks or packaging sleeves can be produced at one location and the packaging sleeves can be unfolded and filled at another location.
  • Composites are often used as the material, for example a composite of several thin layers of paper, cardboard, plastic or metal, in particular aluminum. Such packs have been known for a long time and are particularly widespread in the food industry.
  • a first manufacturing step often consists in producing a circumferential packing 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 packaging jacket. This has the advantage that the blank and the packaging jacket are only folded in places that are already folded in the finished packaging.
  • a method for producing a packaging from a packaging jacket is, for example, from US Pat WO 2015/003852 A9 known (there in particular 1A to 1E ).
  • the packaging described there has a rectangular cross-sectional area and is generally rectangular.
  • packaging with cross-sectional areas that have more than four corners are also known. From the EP 0 936 150 B1 or the US 6,042,527A for example, packaging with an octagonal cross-sectional area is known. The shape of the packaging is achieved through additional folding lines in the blanks.
  • a disadvantage of folding the packaging sleeves along the later packaging edges is that only packaging with angular cross-sectional areas can be produced.
  • only packaging can be produced whose cross-sectional area is identical in the vertical direction of the packaging.
  • alternative designs such as curves or free forms instead of the edges are not possible.
  • Packing sleeves and packs made therefrom are also from the EP 0 027 350 A1 known.
  • the packaging jacket described there can be used to produce packaging whose cross-sectional area changes in the vertical direction (square cross-sectional areas on the gable and on the floor, octagonal cross-sectional area in between).
  • this packaging also only has square cross-sectional areas.
  • Alternative designs like For example, curves or free forms instead of the edges are also in the EP 0 027 350 A1 not described.
  • the packaging jacket described there also does not consist of composite material, but of cardboard or corrugated cardboard.
  • An inner bag made of plastic is proposed for filling with liquids.
  • 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 folding lines and then coated with a plastic layer (FIG. 6).
  • the material web is unfolded into a tube with a rectangular cross section (FIG. 8).
  • the two side surfaces of the hose are then folded inwards, as a result of which the hose assumes a flat shape (FIG. 9).
  • transverse seams are produced, along which the hose can be folded and thus forms a stack (FIG. 10).
  • By separating the tube in the area of the transverse seams individual packing sleeves are obtained which are already closed on one side - by the transverse seam.
  • a disadvantage of this procedure is that the packaging sleeves are already folded along six fold lines when they are separated from the tube, four of which fold lines form the edges of the subsequent packaging. These packaging sleeves are therefore only suitable for the production of packaging with rectangular cross-sectional areas.
  • the invention is based on the object of designing the packing jacket described at the beginning and explained in more detail above in such a way that the production of packs with a more complex geometry is made possible.
  • the "jacket surface” is the surface that is located between the gable surfaces of the gable area and the bottom surfaces of the bottom area of the packaging jacket.
  • the outer surface corresponds to the sum of the front and back and the two sides of a pack.
  • a packaging jacket according to the preamble of claim 2 in that the packaging jacket has no continuous folding lines in the area of the jacket surface between the two false folding lines and that at least one of the folding lines is interrupted, at least in sections, on the other side of the packaging jacket , curved and / or odd.
  • Continuous" fold lines are understood to mean fold lines that completely cross the lateral surface, for example from the bottom surfaces to the gable surfaces.
  • the fold lines arranged on the rear partial surface are designed as fold line stumps.
  • “Folded line stumps” are to be understood as meaning short sections of fold lines which are arranged directly adjacent to the floor area and / or gable area. This has advantages when folding, closing and sealing, for example in the manufacture of the base area on a mandrel, since no leaks through pockets or the like can occur in the corners.
  • the fold lines arranged on the rear partial surface are designed as split fold lines which preferably run essentially parallel to one another.
  • the conventional edge areas with a substantially rectangular cross section "Disassembled” and replaced by polygonal cross-sections, which - especially with the back of a beverage pack that is intended for immediate consumption from the pack - allows ergonomic handling, since a "rounded” or “chamfered” back of the pack is very good for this enclosing gripping finger one hand.
  • the packaging jacket according to the invention consists of a composite material and is used to produce a packaging suitable, for example, for beverages or other liquid foods.
  • the packing jacket can consist of a composite of several thin layers of paper, cardboard, plastic and / or metal, in particular aluminum as an oxygen barrier.
  • the packing jacket is preferably made in one piece.
  • the packing jacket comprises a front continuous jacket surface which, in the case of a package produced therefrom, is curved forward and replaces the front surface and parts of the two side surfaces.
  • the packing jacket further comprises a longitudinal seam that connects two opposite ends of the composite material to form a circumferential packing jacket.
  • a tube-like packing jacket which is closed in the circumferential direction can be produced from a flat - usually rectangular - blank.
  • the composite material in the area of the longitudinal seam is preferably folded over and "peeled" in a manner known per se at the inner end of the blank and thus comprises fewer layers in this area than in the other areas. This also reliably seals the inner edge of the pack exposed to the product so that no moisture can penetrate the composite material.
  • the packing jacket has two openings, one in the area of the bottom surface and the other in the area of the gable surface.
  • the longitudinal seam can be produced, for example, by gluing and / or welding. Because of the longitudinal seam, such packaging sleeves are also referred to as longitudinally sealed packing sleeves.
  • the packaging jacket according to the invention also has two 'false fold lines' which run through the jacket surface. These false fold lines - like conventional fold lines - should make it easier to fold the packaging jacket. These fold lines are referred to as 'false fold lines' because they are only used when the packaging jacket is folded flat, but are folded straight again when the packaging is to be filled. They can be produced by weakening the material, with so-called "creases" being used instead of perforations to maintain the liquid-tight state of the composite material. Creases are linear material displacements that are stamped or rolled into the composite material using punching or pressing tools. The two false fold lines are straight and run parallel to each other. The packaging jacket is folded along both false fold lines.
  • the invention is therefore based on the idea of not folding the packaging jacket along fold lines which form the edges of the packaging produced from the packaging jacket.
  • the packaging jacket should therefore not be folded on fold lines which delimit the front surface, the rear surface and the two side surfaces of the package. Instead, there is no or no real folding lines in the area of the outer surface, and the packaging jacket should only be folded along these false folding lines, which later, however, do not form any edges of the packaging. This enables a free design of the package geometry and in particular allows the production of packages with almost any cross-section. In particular, it is possible to produce packings with curved surfaces without folded edges.
  • a packaging jacket is formed from a blank by folding along both false fold lines at an angle of approximately 180 ° in each case. Folding at an angle of around 180 ° enables particularly flat packaging sleeves. This allows space-saving stacking of packaging sleeves, since these are close together lie and thus enable transport to the bottling plant with optimal use of the volume. In this way, the packaging sleeves can be produced at a different location than the filling and production of the finished packages.
  • the packaging jacket is preferably folded outwards along both false fold lines.
  • a further embodiment of the packaging jacket is characterized by floor 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 below the outer surface.
  • the bottom surfaces and the gable surfaces each comprise two rectangular surfaces or gable surfaces and six triangular surfaces. Both the rectangular surfaces or gable surfaces and the triangular surfaces are preferably surrounded or delimited by fold lines.
  • the rectangular surfaces serve to fold the bottom and the pediment of the packaging.
  • the triangular surfaces serve to fold the excess composite material into protruding "ears", which are then placed on the sides of the pack.
  • the false fold lines run through the point of contact of three adjacent triangular surfaces of the base surface and through the point of contact of three adjacent triangular surfaces of the gable surfaces.
  • This arrangement of the false fold lines has the advantage that the false fold lines run through the bottom surface and the gable surface at a point at which these surfaces have to be folded anyway, for example to form "ears".
  • the folding of the packaging jacket along the false folding lines therefore already leads to a "pre-folding" of the folding line running centrally through the "ears".
  • Another advantage of the central arrangement of the false fold lines is that the false fold lines provide the space for the design of the edge areas of the Limit packaging as little as possible.
  • two of the triangular surfaces of the base surface and / or the gable surface have approximately the same surface area.
  • all three triangular surfaces of the base surface and / or the gable surface have different surface areas.
  • the gable surface on the back of the packaging jacket has a shorter length than the length of the gable surface on the front of the packaging jacket.
  • This design means that the front surface of the package has a lower height than the rear surface of the package.
  • the pack thus has an inclined upper side which is inclined forward ("inclined gable pack").
  • the front of the packaging jacket has a front gable surface which is delimited from the jacket surface by an at least partially convexly curved front edge.
  • the gable surface which is bounded at the rear by the web seam, is increased towards the front and thus allows a pouring element with a larger diameter to be applied.
  • the front gable surface (12G) can also have convex curved embossing lines in the upper corner regions, as a result of which the gable surface assumes a uniform shape reminiscent of an ellipse, in the center of which a pouring element can be arranged.
  • a weakening zone is expediently provided in the center of the front gable surface, for example as a so-called 'over-coated hole'.
  • a further embodiment of the packaging jacket provides that the false fold lines on the outside of the packaging jacket and the folding lines on the back of the packaging jacket are grooved on the inside of the packaging jacket. This leads to simpler production in the creasing or embossing treatment of the composite material web before the individual blanks are cut. A combination of both creasing or embossing directions can also be provided.
  • the above-described object is also achieved by a packing made of a composite material, the packing being produced from a packing jacket according to one of claims 1 to 14, and the packing being closed in the area of the bottom surfaces and in the area of the gable surfaces.
  • the pack is characterized in that the pack has no continuous straight folded edges in the area of the outer surface.
  • the package Since the package is made from one of the package shells described above, many properties and advantages of the package shell also occur in the package.
  • a particular advantage is that the pack does not have any angular folded edges in the area of its lateral surface, although it was produced from a pack jacket that is folded in two places. This is achieved in that the packaging jacket is "folded back" along the two dummy fold lines during the production of the package, so that the subregions of the jacket surface adjoining the dummy fold lines again merge approximately continuously into one another.
  • the false fold lines do not form the edges of the pack, but lie - barely visible - in the outer surface. Instead of straight, angled folded edges, a package with an individually shaped, for example curved, outer surface is to be achieved.
  • the pack has no folded edges at all in the area of the outer surface.
  • the pack is preferably made in one piece.
  • the part of the package made from the composite material is preferably in one piece.
  • This part of the pack can be supplemented with other elements, for example an opening, pouring and closing element (e.g. a hinged or twist lock made of plastic) or a drinking aid (e.g. a straw).
  • the partial regions of the lateral surface adjoining the false fold lines are each arranged in an angular range between 160 ° and 200 °, in particular between 170 ° and 190 °, with one another.
  • a particular advantage of this configuration is that the pack can be attached to its No folded edges on the sides and therefore no angular edges. This is achieved in that the packaging jacket is "folded back" along the two dummy fold lines during the production of the package, so that the partial regions of the jacket surface adjoining the dummy fold lines are arranged approximately in the same plane.
  • a further development of the pack is characterized by ears which are placed on the bottom surfaces in the lower region of the pack.
  • the pack is characterized by ears which are placed on the lateral lateral surfaces in the upper area of the pack.
  • the ears can be placed on the floor surface in different ways:
  • One floor variant provides that the ears are folded under the rectangular surfaces of the base, which is slightly domed, and fastened there.
  • Another floor variant provides inward-facing 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 package due to the weight of the filled package, while the second variant offers a floor with a particularly smooth base.
  • the arrangement of the upper ears on the lateral lateral surfaces has the advantage that a pouring element can be arranged on the top of the pack.
  • the method is also based on the idea of producing a package from a package jacket, the false fold edges of which do not form edges of the package produced from it. This is made possible by the fact that the packaging jacket folded along the false fold lines is "folded back", the folding along the false fold lines being reversed. The dummy fold lines provided in the packaging jacket therefore do not form an edge of the packaging. This allows the production of packs with a more complex geometry.
  • the partial regions of the lateral surface adjoining the false fold lines after folding back again each lie in an angle range between 160 ° and 200 °, in particular between 170 ° and 190 °.
  • the partial areas of the lateral surface should therefore be folded back so far along the false fold lines that the lateral surface has almost continuous transitions between the partial areas of the lateral surface.
  • a blank 1 known from the prior art is shown, from which a packing 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 a plurality of fold lines 2, which are intended to facilitate the folding of the blank 1 and divide the blank 1 into a plurality of 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, floor surfaces 8 and gable surfaces 9.
  • a packing 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, in particular welded, to the front surface 5.
  • Figure 1B shows a packing jacket 10 known from the prior art in the flat folded state.
  • the already related to Fig. 1A Areas of the packaging jacket described are in Figure 1B provided with corresponding reference numerals.
  • the packaging jacket 10 is from the in Fig. 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 the surface.
  • the result is a longitudinal seam 11.
  • the packaging jacket 10 is shown in a flat folded state. In this state, a side surface 4 (in Figure 1B hidden) under the front surface 5 while the other side surface 3 on the rear surface 6 (in Figure 1B covered).
  • a plurality of packaging sleeves 10 can be stacked and transported in a particularly space-saving manner. Therefore, the packaging sleeves 10 are often stacked at the place of manufacture and transported in batches to the place of filling. Only there are the packaging sleeves 10 separated and unfolded in order to be able to be filled with a product, for example with a drink.
  • FIG. 1C is the packing jacket 10 out Figure 1B shown in the unfolded state. Again, they are already related to 1A or 1B Provided areas of the packaging jacket 10 described 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 packing jacket 10 - depending on the shape of these surfaces - has a square or rectangular shape Has cross section. Accordingly, the opposite side surfaces 3, 4 are arranged parallel to each other. The same applies to the front surface 5 and the rear surface 6.
  • Figure 1D shows the packing jacket 10 1C in the pre-folded state, that is to say in a state in which the folding 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 Floor 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 surfaces 12 are folded inwards during the pre-folding and later form the bottom or the gable of the pack.
  • Those areas of the bottom surfaces 8 and the gable surfaces 9 which adjoin the side surfaces 3, 4 are, on the other hand, 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 sides of the package in a later manufacturing step, for example by adhesive processes.
  • Figure 1E is a package 15 known from the prior art, which from the in Fig. 1A shown blank is formed, shown.
  • the pack 15 is shown after the welding, that is to say in the filled and closed state.
  • a fin seam 16 is formed after the closure Figure 1E the ears 14 and the fin seam 16 protrude. Both the ears 14 and the fin seam 16 are put on in a later manufacturing step, for example by adhesive bonding, it is also possible to seal only the ears 14, the fin seam 16 being forcibly turned over to the side.
  • Figure 1F shows the pack 15 Figure 1E with ears 14 attached.
  • the fin seams 16 are also applied to the pack 15.
  • the upper ears 14 arranged in the area of the gable surface 9 are folded down and placed 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 laid flat against the domed underside of the package 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 pack 15 - in particular to the rectangular surfaces 12.
  • FIG 2A A blank 1 'for producing a first embodiment of a preferred exemplary embodiment of a packaging jacket according to the invention is shown.
  • the already related to Figures 1A to 1F Areas of the cutting described are in Figure 2A provided with corresponding reference numerals.
  • the bottom surface 8 and the gable surface 9 are in the blank 1 'compared to the blank 1 Fig. 1A unchanged.
  • a first difference lies in the fact that the two side surfaces 3, 4, the front surface 5 and the rear surface 6 are combined to form a single lateral surface 17.
  • the lateral surface 17 extends - apart from the sealing surface 7 - over the entire width of the blank 1 '.
  • a second difference lies in the fact that the blank 1 ′ has two false fold lines 18 in the area of the lateral surface 17.
  • the two false fold lines 18 run parallel to one another and run through a contact point SB of three adjacent triangular surfaces 13 of the base surface 8 and through a contact point SG of three adjacent triangular surfaces 13 of the gable surfaces 9.
  • the outer surface 17 is turned into an inner partial region 17A and through the false fold lines 18 divided two outer sections 17B.
  • the inner partial area 17A lies between the two false fold lines 18 and the outer partial areas 17B lie outside the two false fold lines 18.
  • the length of the gable surface 9 takes on 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 portion 17A of the lateral surface 17, however, the gable surface 9 has an increased length L9 max. This configuration leads to the fact that the inner partial region 17A has a lower height than the outer partial regions 17B. For the pack to be produced, this results in an inclined, gently sloping gable surface.
  • the front gable surface in the illustrated and in this respect preferred embodiment is formed by a gable surface 12G with a front edge 19 which is convexly curved at least in sections.
  • a gable surface 12G with a front edge 19 which is convexly curved at least in sections.
  • a circular weakening line S is shown centrally within this gable surface 12 G. This is preferably a circular recess in the carrier material, which is covered with the other plastic and possibly Al layers of the composite material, a so-called "over-coated hole". Its diameter can be adapted to the size of the cutting element of a pouring element to be applied around the line of weakness or can be made relatively small in order to allow a straw to penetrate.
  • the floor surfaces 8 have two corner points E8 and the gable surfaces 9 have two corner points E9.
  • the corner points E8, E9 represent corner points of the package to be produced from the blank 1 '.
  • Each corner point E8 of a floor surface 8 is assigned a corresponding corner point E9 of a gable surface 9, which is the corner point E9 which is above the latter when the package is standing Corner point E8 is arranged.
  • a fold line 2 ' runs through two corresponding corner points E8, E9, each of which serves to form a rear (vertically running) edge of the package to be produced.
  • blank 1 ' shown, however - just as with the packing jacket and packing made therefrom - only two continuous fold lines 2' are present. According to the first teaching of the invention, no fold lines are provided between the further corner points of the floor surfaces 8 and the corresponding corner points of the gable surfaces 9 - that is to say on the front lateral surface 17A.
  • Figure 2B shows a first embodiment of a packaging jacket 10 'according to the invention, which consists of the in Figure 2A shown blank 1 'is formed, in a front view.
  • the already related to Figures 1A to 2A Areas of the packaging jacket described are in Figure 2B provided with corresponding reference numerals.
  • the packaging jacket 10 ' is formed from the blank 1' in two steps: First, the blank 1 'is folded along the two false fold lines 18. Then the two partial areas 17A, 17B of the lateral surface 17 are connected to one another in the area of the sealing surface 7, in particular welded, as a result of which a (in Figure 2B hidden) longitudinal seam 11 is formed.
  • the packing jacket 1 'thus has a circumferential, closed structure in the circumferential direction with an opening in the region of the bottom surface 8 and with an opening in the region of the gable surface 9.
  • the inner partial region 17A of the jacket surface 17 is visible, which is on both sides of the false fold lines 18 is limited.
  • the remaining partial areas 17B of the outer surface 17 are on the rear side of the packaging sleeve 10 'and therefore in Figure 2B covered.
  • Figure 2C is the packing jacket 1 ' Figure 2B shown in a rear view.
  • the already related to 1A to 2B Areas of the packaging jacket described are in Figure 2C provided with corresponding reference numerals.
  • the two outer partial regions 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 false fold lines 18.
  • the front portion 17A of the outer surface 17 is on the front side of the packaging shell 10 'and therefore in Figure 2C covered.
  • Figure 2D shows the packing jacket 1 ' Figures 2B and 2C when unfolded.
  • the already related to 1A to 2C Areas of the packaging jacket described are in Figure 2D provided with corresponding reference numerals.
  • the unfolded state is achieved by folding back the packaging jacket 1 'along the false fold lines 18 running through the jacket surface 17.
  • the refolding takes place around 180 °.
  • the refolding along the false folding lines 18 has the result that the two subregions 17A, 17B of the Shell surface 17 no longer lie flat on one another, but are arranged in the same plane.
  • Figure 2E is the packing jacket 10 ' Figure 2D shown with pre-folded floor and gable surfaces.
  • the already related to Figures 1A to 2D Areas of the packaging jacket described are in Figure 2E provided with corresponding reference numerals.
  • the pre-folded state (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 inwards during the pre-folding and later form the bottom or the gable of the pack.
  • the triangular surfaces 13 are folded outwards during the pre-folding and form protruding regions made of excess material, which are also referred to as “ears” 14 and are applied to the side surfaces of the package in a later manufacturing step, for example by adhesive processes.
  • Figure 2F shows a first embodiment of a pack 15 'according to the invention, which consists of the in Figure 2B Packing jacket 10 'shown is formed after welding.
  • the already related to 1A to 2E Areas of the pack described are in Figure 2E provided with corresponding reference numerals.
  • the pack 15 ' is shown after the welding, that is to say in the filled and closed state. Because of the increased length L9 max of the gable surface 9 in its area adjacent to the inner partial area 17A of the lateral surface 17 and due to the reduced length L9 min of the gable area 9 in its area adjacent to the outer partial areas 17B of the lateral surface 17, an enlarged gable area is created.
  • the pack 15 ' is provided with a pouring element AE which extends almost up to the front edge 19 which is curved forward.
  • a pouring element AE which extends almost up to the front edge 19 which is curved forward.
  • the area of the floor surfaces 8 and in the area of the gable surfaces 9 arises after Closing a fin seam 16.
  • the ears 14 and the fin seam 16 protrude. Both the ears 14 and the fin seam 16 are applied in a later manufacturing step, for example by adhesive processes.
  • the pack is 15 ' Figure 2F shown with ears 14 on.
  • the already related to Figures 1A to 2F Areas of the pack described are in Figure 2G provided with corresponding reference numerals.
  • the fin seams 16 are also applied to the pack 15 '.
  • the upper ears 14 arranged in the area of the gable surface 9 are folded down and placed flat against the lateral surface 17.
  • the upper ears 14 are preferably glued or welded to the lateral surface 17.
  • the lower ears 14 arranged in the area of the bottom surface 8 are also folded down, but are placed flat against the underside of the pack 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 pack 15 '- in particular the rectangular surfaces 12.
  • Pack 15 'shown has no folded edges in the area of the front lateral surface 17A.
  • the front of the pack which is curved forward according to the invention, can be clearly seen in the horizontal section through the plane X of the pack shown on the right.
  • the straight pack edges 2 'on the rear pack edges run from the lower corner points E8 to the upper corner points E9.
  • Fig. 2E ' is also the packing jacket 10 ' Figure 2D shown with pre-folded floor and gable surfaces, which is why corresponding reference numerals are also used here.
  • the difference to Figure 2E lies in the fact that the lower triangular surfaces 13 are not folded outwards but inwards.
  • FIG. 2F ' also shows a first embodiment of a pack 15 'according to the invention, which consists of the Figure 2B Packing jacket 10 'shown is formed, after welding, filled and closed. Corresponding reference numerals are therefore also used here.
  • the difference to Figure 2F is that the Triangular surfaces 13 were not folded outwards before welding, but inwards. Therefore, the lower "ears" 14 do not protrude outwards, but extend inwards. This leads to a shorter fin seam 16.
  • the pack is 15 ' 2F ' shown with applied upper ears 14 and upper fin seam 16. Corresponding reference numerals are therefore also used here.
  • the lower fin seam 16 is folded over and laid flat against the underside of the package 15 ', which is formed by two rectangular surfaces 12B of the bottom surface 8.
  • the fin seam 16 is preferably glued or welded to the pack 15 '- in particular to a rectangular surface 12B.
  • the difference to Figure 2G lies in the structure of the bottom of the pack 15 ': In Figure 2G the ears 14 are arranged below the rectangular surfaces 12B and are therefore visible from the underside; in Fig. 2G ' however, the rectangular surfaces 12 are arranged below the ears 14 and are therefore visible from the underside.
  • Figure 3A shows a blank 1 "for producing a second embodiment of a packaging jacket according to the invention.
  • the blank 1" in Figure 3A corresponds to the cut 1 'in Figure 2A , so that corresponding reference numerals are also used here.
  • the blank 1 ′′ also has two false fold lines 18 in the area of the outer surface 17.
  • the false fold lines 18 run through a contact point SB of three adjacent triangular surfaces 13 of the base surface 8 and through a contact point SG of three adjacent triangular surfaces 13 of the gable surfaces 9.
  • the outer surface 17 ' is divided into an inner partial area 17A' and two outer partial areas 17B '.
  • the inner partial area 17A' lies between the two false fold lines 18 and the outer partial areas 17B 'lie outside the two false fold lines 18.
  • Relatively short fold line stumps 2 are also present below in the inner partial area 17A 'of the outer surface 17' above the corner points E8, which ensure particularly good sealing of the floor in the case of production on a mandrel, without significantly changing the overall impression of the package.
  • Figure 3B is a second embodiment of a packaging jacket 10 "according to the invention, which consists of the in Figure 3A shown blank 1 "is shown, shown in a front view.
  • the packing jacket 10" in Figure 3B largely corresponds to the packing jacket 10 'in Figure 2B , so that corresponding reference numerals are also used here. The difference lies only in the previously described fold line stumps 2 ′′ in the lower front partial region 17A ′ of the lateral surface 17 ′ above the corner points E8.
  • Figure 3C shows the packing jacket 10 " Figure 3B in a rear view.
  • the package jacket 10 "in Figure 3C largely corresponds to the packing jacket 10 'in Figure 2C , so that corresponding reference numerals are also used here.
  • a distinctive difference is again formed by the fold line stumps 2 ′′ adjoining both the corner points E9 and above the corner points E8 and the split fold lines 20 and 20 ′ extending between them in the outer partial regions 17B ′ of the lateral surface 17 ′.
  • Fig. 3D the packing jacket is 10 " 3B and 3C shown in the unfolded state.
  • the package jacket 10 "in Fig. 3D largely corresponds to the packing jacket 10 'in Figure 2D , so that corresponding reference numerals are also used here.
  • Figure 3E shows the packing jacket 10 " Fig. 3D with pre-folded floor and gable surfaces.
  • the package jacket 10 "in Figure 3E largely corresponds to the packing jacket 10 'in Figure 2E , so that corresponding reference numerals are also used here. However, the "resolution" of the rear packaging edges is clearly visible through the rear view.
  • Figure 3F is a second embodiment of a package 15 "according to the invention, which consists of the in Figure 3B shown packing jacket 10 "is formed, after welding, but still with ears 14 projecting laterally from below and above.
  • the packing 15" in Figure 3F largely corresponds to the packaging 15 'in Figure 2F , so that corresponding reference numerals are also used here.
  • it is provided on the gable surface with a pouring element AE which extends almost to the front edge 19, which is curved forward.
  • the different design of the rear pack area can hardly be seen when viewed from the front.
  • Fig. 3G finally shows the package 15 " Figure 3F with ears on 14.
  • the package 15 "in Fig. 3G largely corresponds to the packaging 15 'in Figure 2G , so that corresponding reference numerals are also used here.
  • the 'constriction' at the rear "packaging edges" due to the divided folding lines 20 and 20 ' is almost not recognizable when viewed from the front.
  • FIG. 3D The Figures 3E ', 3F' and 3G ' and the section X in turn show the packing jacket 10 " Fig. 3D with pre-folded floor and gable surfaces, the ears 14 formed by the lower triangular surfaces 13 not being folded outwards but inwards. Corresponding reference numerals are therefore used again here. Again in section X you can clearly see the bulging front wall of the pack. In addition to the fold lines 20 and 20 ', each spanning an area angled by 45 °, on the rear "package edges", the ears folded into the interior of the package can also be clearly seen in section X.

Claims (21)

  1. Enveloppe d'emballage (10') faite d'un matériau composite servant à la fabrication d'un emballage (15'), ladite enveloppe d'emballage comprenant :
    - une surface d'enveloppe (17) formée par une surface partielle avant (17A) ainsi que par une surface partielle arrière (17B),
    - une soudure longitudinale (11) qui joint deux bords du matériau composite, pour former une enveloppe d'emballage circonférentielle (10'), et qui est disposée sur la surface partielle arrière (17B), et
    - deux lignes fictives de pliage (18) qui passent à travers la surface d'enveloppe (17),
    - où l'enveloppe d'emballage (10') est pliée le long des deux lignes fictives de pliage (18),
    où les surfaces de fond (8) et les surfaces en forme de pignons (9) sont disposées sur des côtés opposés de l'enveloppe d'emballage (10'), et
    où les surfaces de fond (8) et les surfaces en forme de pignons (9) comprennent respectivement deux surfaces rectangulaires (8, 12B) ou surfaces en forme de pignons (9, 12G) et six surfaces triangulaires (13),
    caractérisée en ce que
    l'enveloppe d'emballage (10'), dans la zone de la surface partielle avant (17A), ne présente aucune autre ligne de pliage entre les deux lignes fictives de pliage (18).
  2. Enveloppe d'emballage (10") faite d'un matériau composite servant à la fabrication d'un emballage (15"), ladite enveloppe d'emballage comprenant :
    - une surface d'enveloppe (17') formée par une surface partielle avant (17A') ainsi que par une surface partielle arrière (17B'),
    - une soudure longitudinale (11) qui joint deux bords du matériau composite, pour former une enveloppe d'emballage circonférentielle (10"), et qui est disposée sur la surface partielle arrière (17B'), et
    - deux lignes fictives de pliage (18) qui passent à travers la surface d'enveloppe (17'),
    - où l'enveloppe d'emballage (10") est pliée le long des deux lignes fictives de pliage (18),
    où les surfaces de fond (8) et les surfaces en forme de pignons (9) sont disposées sur des côtés opposés de l'enveloppe d'emballage (10"), et
    où les surfaces de fond (8) et les surfaces en forme de pignons (9) comprennent respectivement deux surfaces rectangulaires (8, 12B) ou surfaces en forme de pignons (9, 12G) et six surfaces triangulaires (13),
    caractérisée en ce que
    l'enveloppe d'emballage (10"), dans la zone de la surface partielle avant (17A'), ne présente aucune ligne de pliage continue entre les deux lignes fictives de pliage (18), et en ce que la surface en forme de pignon (9) présente, sur la face arrière de l'enveloppe d'emballage (10"), une longueur (L9 min) plus petite que la longueur (L9 max) de la surface (12G) en forme de pignon, sur la face avant de l'enveloppe d'emballage (10").
  3. Enveloppe d'emballage (10") selon la revendication 2,
    caractérisée en ce que
    des lignes de pliage (2", 20, 20') sont prévues sur la surface partielle arrière (17B'), lesquelles lignes de pliage sont au moins en partie discontinues et/ou scindées.
  4. Enveloppe d'emballage (10") selon la revendication 3,
    caractérisée en ce que
    les lignes de pliage disposées sur la surface partielle arrière (17B') sont configurées comme des bouts de lignes de pliage (2"), et en ce que les bouts de lignes de pliage (2") peuvent être disposés dans la zone du fond et/ou dans la zone en forme de pignon de l'enveloppe d'emballage (10").
  5. Enveloppe d'emballage (10") selon la revendication 3 ou 4,
    caractérisée en ce que
    les lignes de pliage disposées sur la surface partielle arrière (17B') sont configurées comme des lignes de pliage (20, 20') scindées et s'étendant de préférence en étant pratiquement parallèles l'une à l'autre.
  6. Enveloppe d'emballage (10', 10") selon la revendication 1 ou l'une quelconque des revendications 2 à 5,
    caractérisée en ce que
    l'enveloppe d'emballage (10', 10") est pliée à plat le long des deux lignes fictives de pliage (18), suivant un angle à chaque fois égal à 180° environ.
  7. Enveloppe d'emballage (10', 10") selon la revendication 1 ou 2,
    caractérisée en ce que
    les lignes fictives de pliage (18) passent par le point de contact (SB) de trois surfaces triangulaires adjacentes (13) de la surface (8) du fond et par le point de contact (SG) de trois surfaces triangulaires adjacentes (13) de la surface (9) en forme de pignon.
  8. Enveloppe d'emballage (10') selon la revendication 1,
    caractérisée en ce que
    la surface (9) en forme de pignon présente, sur la face arrière de l'enveloppe d'emballage (10'), une longueur (L9 min) plus petite que la longueur (L9 max) de la surface (12G) en forme de pignon, sur la face avant de l'enveloppe d'emballage (10').
  9. Enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce que
    la face avant de l'enveloppe d'emballage (10', 10") présente une surface avant (12G) en forme de pignon, surface avant qui est délimitée, par rapport à la surface d'enveloppe (17A), par un bord avant (19) incurvé au moins en partie de façon convexe.
  10. Enveloppe d'emballage (10', 10") selon la revendication 9,
    caractérisée en ce que
    la surface avant (12G) en forme de pignon présente, dans les zones angulaires supérieures, des lignes de découpe (19') incurvées de façon convexe.
  11. Enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 10,
    caractérisée en ce que
    la surface avant (12G) en forme de pignon présente une zone de moindre résistance (S) disposée de préférence au milieu.
  12. Enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 11,
    caractérisée en ce que
    les lignes fictives de pliage (18) sont rainurées sur le côté extérieur de l'enveloppe d'emballage (10', 10").
  13. Enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 12,
    caractérisée en ce que
    les lignes de pliage (2' ou 2", 20, 20') sont rainurées sur le côté intérieur de l'enveloppe d'emballage (10', 10").
  14. Emballage (15', 15") fait d'un matériau composite,
    - où l'emballage (15', 15") est fabriqué à partir d'une enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 13, et
    - où l'emballage (15', 15") est fermé dans la zone des surfaces (8) du fond et dans la zone des surfaces (9) en forme de pignons,
    caractérisé en ce que
    l'emballage (15', 15") ne présente, dans la zone de la surface (17) de l'enveloppe, aucun bord de pliage ni aucun bord de pliage continu.
  15. Emballage (15', 15") fait d'un matériau composite,
    - où l'emballage (15', 15") est fabriqué à partir d'une enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 13, et
    - où l'emballage (15', 15") est fermé dans la zone des surfaces (8) du fond et dans la zone des surfaces (9) en forme de pignons,
    caractérisé en ce que
    l'emballage (15', 15") ne présente, dans la zone de la surface avant (17A) de l'enveloppe, aucun bord de pliage ni aucun bord de pliage continu.
  16. Emballage (15', 15") selon la revendication 14 ou 15,
    caractérisé en ce que
    des lignes de pliage (2", 20, 20') sont prévues sur la surface partielle arrière (17B'), lesquelles lignes de pliage sont au moins en partie discontinues et/ou scindées.
  17. Emballage (15', 15") selon la revendication 14 à 16,
    caractérisé en ce que
    les zones partielles (17A, 17B) de la surface d'enveloppe (17), qui sont adjacentes aux lignes fictives de pliage (18), sont disposées à chaque fois, l'une par rapport à l'autre, dans une plage angulaire comprise entre 160° et 200°, en particulier comprise entre 170° et 190°.
  18. Emballage (15', 15") selon l'une quelconque des revendications 14 à 17,
    caractérisé
    par des languettes (14) qui, dans la zone inférieure de l'emballage (15', 15"), sont appliquées sur les surfaces (8) du fond.
  19. Emballage (15', 15") selon l'une quelconque des revendications 14 à 18,
    caractérisé
    par des languettes (14) qui, dans la zone supérieure de l'emballage (15', 15"), sont appliquées sur la surface (17) de l'enveloppe.
  20. Procédé de fabrication d'un emballage (15', 15") à partir d'une enveloppe d'emballage (10', 10") faite d'un matériau composite, ledit procédé comprenant les étapes suivantes consistant :
    a) à fournir une enveloppe d'emballage (10', 10") selon l'une quelconque des revendications 1 à 13,
    b) à replier la surface d'enveloppe (17) de l'enveloppe d'emballage (10', 10") le long de deux lignes fictives de pliage (18).
  21. Procédé selon la revendication 20,
    caractérisé en ce que
    les zones partielles (17A, 17B) de la surface d'enveloppe (17), qui sont adjacentes aux lignes fictives de pliage (18), se situent à nouveau à chaque fois, l'une par rapport à l'autre, après le repliage, dans une plage angulaire comprise entre 160° et 200°, en particulier comprise entre 170° et 190°.
EP17711612.6A 2016-04-04 2017-03-14 Enveloppe d'emballage, emballage et procédé de fabrication d'un emballage Active EP3439977B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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DE102016003829.2A DE102016003829A1 (de) 2016-04-04 2016-04-04 Packungsmantel, Packung und Verfahren zur Herstellung einer Packung
PCT/EP2017/055982 WO2017174304A1 (fr) 2016-04-04 2017-03-14 Enveloppe d'emballage, emballage et procédé de fabrication d'un emballage

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EP3439977B1 true EP3439977B1 (fr) 2020-04-29

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US (1) US10850887B2 (fr)
EP (1) EP3439977B1 (fr)
JP (1) JP7109373B2 (fr)
CN (2) CN107264909B (fr)
BR (1) BR112018069895B1 (fr)
DE (1) DE102016003829A1 (fr)
ES (1) ES2792085T3 (fr)
MX (1) MX2018011386A (fr)
PL (1) PL3439977T3 (fr)
WO (1) WO2017174304A1 (fr)

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Publication number Publication date
CN107264909B (zh) 2022-09-06
CN207329047U (zh) 2018-05-08
MX2018011386A (es) 2019-02-13
CN107264909A (zh) 2017-10-20
DE102016003829A1 (de) 2017-10-05
EP3439977A1 (fr) 2019-02-13
ES2792085T3 (es) 2020-11-10
JP7109373B2 (ja) 2022-07-29
JP2019510697A (ja) 2019-04-18
US20190112092A1 (en) 2019-04-18
WO2017174304A1 (fr) 2017-10-12
US10850887B2 (en) 2020-12-01
BR112018069895B1 (pt) 2022-10-25
PL3439977T3 (pl) 2020-07-13
BR112018069895A2 (pt) 2019-02-05

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