EP4065480A1 - Carton comprenant des panneaux de relâchement des contraintes - Google Patents

Carton comprenant des panneaux de relâchement des contraintes

Info

Publication number
EP4065480A1
EP4065480A1 EP20799637.2A EP20799637A EP4065480A1 EP 4065480 A1 EP4065480 A1 EP 4065480A1 EP 20799637 A EP20799637 A EP 20799637A EP 4065480 A1 EP4065480 A1 EP 4065480A1
Authority
EP
European Patent Office
Prior art keywords
pack
gable
panel
corners
fold line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20799637.2A
Other languages
German (de)
English (en)
Other versions
EP4065480C0 (fr
EP4065480B1 (fr
Inventor
Norman GIEROW
Philippe Hauser
Ali Kaylan
Thomas Keck
Heike Klein
Stefan Mergel
Georg Schulte
Christoph Wirtz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Services AG
Original Assignee
SIG 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
Publication of EP4065480A1 publication Critical patent/EP4065480A1/fr
Application granted granted Critical
Publication of EP4065480C0 publication Critical patent/EP4065480C0/fr
Publication of EP4065480B1 publication Critical patent/EP4065480B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65D5/06—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
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/443—Integral reinforcements, e.g. folds, flaps
    • 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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/563—Laminated linings; Coatings
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes

Definitions

  • the invention relates to a pack made of a composite material, comprising: a pack bottom with two front bottom corners and with two rear bottom corners, a pack gable with two front gable corners and with two rear gable corners, and a pack base body with a front panel, a first side panel, a second side panel and a back panel, wherein the package bottom and the package gable are arranged on opposite sides of the package base body, and wherein the composite material has a polymer outer layer, a polymer inner layer and a fiber-containing carrier layer, which is arranged between the polymer outer layer and the polymer inner layer.
  • Packaging when filled: "packs" 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 packing material, from which a packing jacket and finally a packing are first created 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.
  • Composites are often used as material, for example a composite of several thin layers of paper,
  • a disadvantage of the packaging container described in WO 02/04301 A1 lies in the structure of the composite material. Because in WO 02/04301 A1 it is not described that the composite material has a plastic inner layer and a plastic outer layer, in particular no polymer inner layer or. Polymer outer layer.
  • the disadvantage of the packaging known from WO 2011/154173 A1 is that the edges in the jacket area are approximately 90 ° and are therefore relatively kinked. This can damage the laminate, in particular tears in the paper or cardboard layer of the laminate.
  • a disadvantage of the composite pack known from WO 2017/174210 A1 is that the front side of the pack merges into the side surfaces of the pack without fold lines or without folded edges, so that the front side and the side surfaces form a common bulge.
  • the continuous transition from the front and side surfaces reduces the load on the laminate, but makes it more difficult to shape the pack in a defined manner and can also lead to a reduced rigidity of the pack jacket.
  • the invention is based on the object of designing and developing the pack described at the outset and explained in more detail in such a way that the production of packs, in particular liquid-tight Packings - with even more complex geometries without impairing the rigidity of the packing.
  • pack base body has at least one relief panel which is arranged between the front panel and one of the two side panels.
  • the packing according to the invention is produced - partially or completely - from a composite material.
  • the sheet-like composite material has several overlapping and interconnected layers and in this way forms a sheet-like composite.
  • the sheet-like composite material comprises an outer polymer layer, an inner polymer layer and a fiber-containing carrier layer which is arranged between the outer polymer layer and the inner polymer layer.
  • the polymer inner layer and the polymer outer layer give the composite material liquid-tight properties because they are made of plastic.
  • the fiber-containing carrier layer (preferably: paper or cardboard), on the other hand, serves primarily to give the composite material improved mechanical properties, in particular improved rigidity.
  • a barrier layer can also be provided, which is also arranged between the polymer outer layer and the polymer inner layer (preferably between the fiber-containing carrier layer and the polymer inner layer).
  • the barrier layer can be made of aluminum, for example, and is intended to prevent light and / or oxygen from passing through.
  • the pack can also have a large number of folded edges which are produced during the production of the pack by folding the sheet-like composite material along fold lines.
  • the pack initially comprises a pack base with two front base corners and with two rear base corners. Adjacent bottom corners are connected to one another by lower packing edges.
  • the pack also includes a pack gable with two front gable corners and with two rear gable corners. Adjacent gable corners are connected to one another by upper packing edges.
  • the Pack a pack base body with a front panel, a first side panel, a second side panel and a back panel.
  • the front panel is preferably arranged opposite the back panel and the first side panel is preferably arranged opposite the second side panel.
  • the package base and the package top are arranged on opposite sides of the package base body; in the case of a pack standing on the pack bottom, the pack bottom is arranged below the pack base body and the pack gable is arranged above the pack base body.
  • the pack base body has at least one relief panel which is arranged between the front panel and one of the two side panels.
  • the relief panel is used to create the smoothest possible transition between the front panel and the side panel.
  • the relief panel preferably extends over the entire height of the pack base body, that is to say from the pack bottom to the pack gable, and therefore separates the front panel from the two side panels.
  • the technical effect of the relief panel is that the composite material does not need to be folded or creased as much as a 90 ° edge of a cuboid pack, since the transition from the front panel to the two side panels is made by two less kinked ("blunt") ) Edging takes place.
  • the pack preferably has two relief panels which are arranged between the front panel and one of the two side panels.
  • the relief panels also ensure that between packs arranged next to one another - in contrast to cuboid packs - a gap or free space is created between adjacent packs in the area of the relief panels, through which air can circulate. This has the advantage of a reduced risk of mold formation due to moisture.
  • Another advantage of relief panels can be seen in the fact that the Relief panels adjacent panels or surfaces can be made narrower and thus more stable, whereby increased grip rigidity can be achieved when pouring the filled pack.
  • the relief panel and the front panel adjoin the same edge of the pack, in particular an edge of the pack bottom.
  • the relief panel and the front panel jointly adjoin the lower front edge of the pack.
  • the relief panel and one of the two side panels adjoin the same edge of the pack, in particular an edge of the pack gable.
  • the relief panel and one of the two side panels jointly adjoin an upper lateral pack edge.
  • This configuration preferably has the consequence that the relief panel and the front panel and / or side panel adjoining it (except in the area of the bottom edge or the gable edge where the panels converge) run at an angle to one another.
  • the relief panel is to be assigned to the front panel of the pack in its lower area, while it is to be assigned to the side panel of the pack in its upper area.
  • the relief panel therefore “winds” completely around an (imaginary) vertical edge of the pack.
  • This design of the relief panels has the advantage that the technical effects already described above (reduced stress on the composite material, improved air circulation) occur not only on one side of the pack, but on two sides of the pack.
  • a first jacket fold line be provided between at least one relief panel and the front panel adjoining it, which is preferably curved at least in sections. Since a fold line is provided between the relief panel and the front panel, a fold edge with a defined profile is achieved, which facilitates the manufacture of the pack. The folding edge also improves the structural properties of the Packing, especially the rigidity.
  • the curved course of the jacket fold line also makes it easier to create convex or concave surfaces or panels, which creates air gaps between adjacent packs that improve air circulation. It can be provided that between the two relief panels and the front panel adjoining them there is in each case a first jacket fold line, which is preferably curved at least in sections. It can also be provided that the first casing fold line is continuously curved.
  • the first jacket fold line ends with only one of its two ends at one of the two front gable corners or at one of the two front floor corners and that the other end does not end at a gable corner or at a floor corner.
  • the first casing fold line ends at one of its ends at one of the two front gable corners or at one of the two front bottom corners or is adjacent to these, these corners of the pack are made more rigid. Since the other end of the first casing fold line does not end at a pack corner and does not adjoin it, it is possible, however, to achieve a smooth and as flat transition as possible between the two surfaces or panels separated by the first casing fold line.
  • the other end of the first casing fold line ends at or adjoins a pack edge, whereby the two surfaces or surfaces which are separated from the first casing fold line and taper towards the pack edge can be provided.
  • Panels can in any case be approximately in one level in sections.
  • a second jacket fold line to be provided between at least one relief panel and the side panel adjoining it, which is preferably curved at least in sections.
  • a fold edge with a defined profile is also achieved by the second jacket fold line, which facilitates the manufacture of the pack.
  • the folding edge also improves the shape compared to an edge-free curved shape structural properties of the packing, in particular the rigidity.
  • the curved course of the jacket fold line also makes it easier to create convex or concave surfaces or panels, which creates air gaps between adjacent packs that improve air circulation.
  • a second jacket fold line is provided between the two relief panels and the side panels adjoining them, which are preferably curved at least in sections. It can also be provided that the second casing fold line is continuously curved.
  • the second jacket fold line ends with only one of its two ends at one of the two front gable corners or at one of the two front floor corners and that the other end does not end at a gable corner or at a floor corner.
  • an increased rigidity of the package corners can be achieved if one end of the second casing fold line ends in this corner or is adjacent to this corner. Since the other end of the second casing fold line does not end at a pack corner and does not adjoin it, it is possible, however, to achieve a smooth and as flat transition as possible between the two surfaces or panels separated by the second casing fold line.
  • the other end of the second jacket fold line ends at or adjoins a pack edge, whereby the two surfaces or surfaces that are separated from the second jacket fold line and taper towards the pack edge can be provided.
  • Panels can in any case be approximately in one level in sections.
  • a third jacket fold line is provided between at least one side panel and the back panel adjoining it, which is preferably curved at least in sections.
  • a fold edge with a defined profile is also achieved by the third jacket fold line, which facilitates the production of the pack.
  • the folding edge also improves compared to an edge-free curved shape the structural properties of the packing, in particular the rigidity.
  • the curved course of the jacket fold line also makes it easier to create convex or concave surfaces or panels, which creates air gaps between adjacent packs that improve air circulation.
  • a third jacket fold line is provided between the two side panels and the adjoining back panel, which is preferably curved at least in sections. It can also be provided that the third jacket fold line is continuously curved.
  • the third jacket fold line ends with one of its two ends at one of the two rear gable corners and with its other end ends at one of the two rear bottom corners.
  • the third jacket fold line has a plurality of sections which each adjoin a side panel and the rear panel, and of which at least one section is curved and of which at least one section is straight.
  • a fold edge with a defined profile is achieved, which facilitates the manufacture of the pack.
  • the folding edge also improves the structural properties of the pack, in particular the rigidity, compared to a shape that is curved without edges.
  • the curved course of the jacket fold line also makes it easier to create convex or concave surfaces or panels, which creates air gaps between adjacent packs that improve air circulation.
  • a third jacket fold line is provided between the two side panels and the back panel adjoining them, which has a plurality of sections that each adjoin a side panel and a back panel, and one of them at least a portion is curved and at least a portion of which is straight. Furthermore, it can be provided that the third jacket fold line has at least two curves that are directed in different directions, for example a first curve in the direction of the side panel and a second curve in the direction of the adjoining back panel (“curved edge”). This results in a further improvement in the air circulation between adjacent packs.
  • the section of the third casing fold line adjoining the pack bottom and the section of the third casing fold line adjoining the pack gable are straight.
  • the use of straight sections is particularly advantageous adjacent to the pack base and adjacent to the pack gable, since in this way the use of simpler tools for producing the bases and gables of the packs is possible.
  • At least two sections of the third jacket fold line have opposite directions of curvature.
  • a section is curved in the direction of the rear panel and that a section is curved in the direction of the side panel.
  • the section of the third casing fold line which is curved in the direction of the side panel is preferably arranged above the section of the third casing fold line which is curved in the direction of the rear panel. In the upper area - especially in the upper half - of the pack, this leads to a wide, concave rear side of the pack.
  • the packs preferably have a narrow, convex front in their upper area - in particular in the upper half - several packs can be placed in front of or behind one another to save space, so that good space utilization is achieved.
  • the filling volume reduced by one direction of curvature is compensated for again by the other direction of curvature so that the packing height can remain unchanged for a given packing volume.
  • the pack has a fin seam in the area of the pack gable, which is folded over in the direction of the front panel.
  • this design enables, for example, better drainage of moisture from the package gable, since no “pocket” open at the top is formed in which moisture could collect.
  • This configuration also allows more space to be achieved for a spout sealed from the inside.
  • the pack gable is approximately trapezoidal.
  • the trapezoidal shape of the pack gable has the advantage that one of the two parallel sides or edges (preferably the front edge of the pack gable) is shorter than the opposite side or edge (preferably the rear edge of the pack gable) - in contrast to a diamond, at that the opposite sides are the same length. This makes it possible to easily grip packs with a larger volume from the front with one hand.
  • the pack gable is a sloping gable.
  • the pack gable slopes forward, that is to say is lower in the area of the front side of the pack than in the area of the rear side of the pack.
  • a pouring element arranged in the area of the pack gable has less of an adverse effect on the stacking of packs than in the case of packs with a flat pack gable.
  • the reason for this is that the pouring element in packs with an inclined gable - unlike in packs with a flat gable - does not necessarily form the highest point of the pack.
  • a better drainage of moisture from the packing gable can be achieved.
  • the pack gable has a curved front edge which adjoins the front panel.
  • the front edge of the pack gable is curved in the direction of the front panel.
  • the area of the pack gable can be increased, which, for example, facilitates the attachment of pouring elements with a larger diameter.
  • a curved front edge of the pack gable also affects the shape of the front panel of the pack.
  • an outwardly curved (convex) front panel of the pack can be achieved by a front edge that is curved in the direction of the front panel. In addition to an attractive appearance, this also has the previously described technical advantage of improved air circulation between packs arranged next to one another, which reduces the risk of mold formation.
  • the front panel is convex and / or the rear panel is at least partially concave.
  • the pack is convexly shaped in the upper area - in particular in the upper half - in the area of the front panel and / or in the upper area - in particular in the upper half - is concave in the area of the rear panel. Due to the combination of convex front and concave rear, the packs can be arranged in front of or behind one another in a space-saving manner, despite the optically complex design.
  • the front panel have its maximum convex bulge above half the height of the package base body. Since the front panel bulges particularly far outwards or forwards in the upper area, the front panel can be made particularly narrow in the upper area without the volume of the pack being reduced compared to a cuboid pack; the bulge towards the front thus compensates for the slimming on the side. Due to the slimming at the sides, the pack of can be easily gripped at the front, for example, to remove them from a sales shelf with one hand.
  • the two front gable corners have two large gable corner angles which are each greater than 90 °.
  • the two rear gable corners have two small gable corner angles which are each smaller than 90 °.
  • a packing gable is achieved, the shape of which deviates from a rectangular or square shape.
  • a square packing gable with two small ( ⁇ 90 °) and two large (> 90 °) gable corner angles can be achieved, for example, by a trapezoid, a parallelogram or a diamond. In this way, it is possible to achieve a pack gable with edges of different lengths, as a result of which, for example, a short front edge can be achieved through which the pack can be particularly easily gripped from the front.
  • the four gable corner angles have an angle sum that is greater than 360 °.
  • An angle sum that deviates from 360 ° can be achieved, for example, in that one or more sides or edges of the square packing gable are not straight but curved (as is the case, for example, with an arched polygon or arched polygon).
  • An angle sum that is greater than 360 ° can be achieved in that at least one side or edge of the square packing gable is curved outwards.
  • the bottom corner angles are preferably 90 °, so that a rectangular, in particular square, pack bottom results. This design of the packing gable has several advantages.
  • the technical effect is achieved that packs can be gripped more easily with one hand, since one edge of the pack gable (preferably the front edge) is shorter than the other edges (in particular the rear edge), so that the pack can the front is narrower.
  • This design also leads to the technical effect that the contact surface between packs arranged next to one another (e.g. during transport or on the shelf) is lower than with cuboid packs, the side panels of which are almost completely in contact. In other words, a gap or free space remains between packs arranged next to one another, through which air can circulate.
  • the square packing gable preferably has an angle sum of at least 370 °, in particular of at least 380 °, preferably of at least 390 °. Angle sums in the range between 390 ° and 410 ° have proven to be advantageous.
  • FIG. 1A a pack according to the invention in a perspective view
  • Fig. 1B the pack from Fig. 1A in a front view
  • Fig. 1C the pack from Fig. 1A in a rear view
  • Fig. 1D the pack from Fig. 1A in a side view
  • FIG. 2A a first area of the pack from FIG. 1A in an enlarged view
  • FIG. 2B a second area of the pack from FIG. 1A in an enlarged view.
  • FIG. 1A shows a pack 1 according to the invention in a perspective view.
  • FIG. 1B shows the pack 1 from FIG. 1A in a front view, FIG. 1C in a rear view and FIG. 1D in a side view.
  • the pack 1 has a square Pack bottom B, which has two front bottom corners BV1, BV2 and two rear bottom corners BH1, BH2.
  • the pack 1 also has a square pack gable G, which has two front gable corners GV1, GV2 and two rear gable corners GH1, GH2.
  • the pack 1 has a pack base body K, which comprises a front panel F, a first side panel S1, a second side panel S2 and a rear panel R.
  • the pack base body K is arranged between the pack base B and the pack gable top G, so that the pack base B and the pack gable top G are arranged on opposite sides of the pack base body K and form a jacket surface of the pack 1.
  • the pack 1 is produced partially or completely from a composite material which has a polymer outer layer, a polymer inner layer and a fiber-containing carrier layer which is arranged between the polymer outer layer and the polymer inner layer.
  • the fiber-containing carrier layer can be, for example, a layer made of paper or cardboard.
  • the pack 1 has a fin seam 2 which is folded over in the direction of the front panel F.
  • the pack 1 also has two ears 3 in the area of the pack gable, of which one ear 3 is placed on the first side panel S1 and of which the second ear 3 is placed on the second side panel S2.
  • the pack 1 has a longitudinal seam 4.
  • the packing gable G is approximately trapezoidal and designed as a sloping gable (like a pent roof).
  • the packing gable G has a front edge V which adjoins the front panel F and is curved in the direction of the front panel F. The shape of the pack gable will be discussed in more detail in connection with FIG. 2A.
  • the pack base body K of the pack 1 shown in FIGS. 1A to 1D has two relief panels E1, E2, of which the first relief panel E1 is arranged between the front panel F and the first side panel S1, and of which the second relief panel E2 is arranged between the Front panel F and the second side panel S2 is arranged.
  • the relief panels E1, E2 therefore separate the front panel F from the two side panels S1, S2 and form a transition between the front panel F and the two side panels S1, S2.
  • the first relief panel E1 and the second Relief panels E2 are in the area adjoining the package base B in sections with the front panel F in one plane.
  • the first relief panel El lies in the area adjoining the packing gable G with the first side panel S1 in sections in one plane; likewise, the second relief panel E2 in the area adjoining the packing gable G lies in sections with the second side panel S2 in one plane.
  • the two relief panels E1, E2 are therefore assigned to a different side of the pack 1 in their lower areas than in their upper areas; the two relief panels E1, E2 therefore “wind” around an imaginary pack edge from the front panel F in the direction of one of the two side panels S1, S2.
  • a first jacket fold line M1 which is continuously curved, is provided between the front panel F and the first relief panel E1.
  • a first jacket fold line M1 which is continuously curved, is provided between the front panel F and the second relief panel E2.
  • the upper ends of the two first jacket fold lines M1 adjoin the two front gable corners GV1, GV2. With their two lower ends, however, the first two casing fold lines M1 do not adjoin the two front bottom corners BV1, BV2, but rather at points between them on the lower front edge of the pack.
  • a second casing fold line M2, which is continuously curved is also provided between the first relief panel E1 and the first side panel S1 adjoining it.
  • a second jacket fold line M2 is provided, which is continuously curved.
  • the lower ends of the two second casing fold lines M2 adjoin the two front bottom corners BV1, BV2.
  • the two second casing fold lines Ml do not border the two front gable corners GV1, GV2, but rather at points of the upper lateral pack edges lying between the front gable corners GV1, GV2 and the rear gable corners GH1, GH1.
  • a third jacket fold line M3 is provided between the second side panel S1 and the back panel R adjoining it.
  • One end of the third jacket fold line M3 adjoins one of the two rear gable corners GH1, GH2 and adjoins one of the two rear floor corners BH1, BH2 with its other end.
  • the exact course of the third casing fold line M3 will be discussed in greater detail in connection with FIG. 2B.
  • FIG. 1D In the side view (FIG. 1D) it can be seen particularly clearly that the front panel F has a convex shape, that is to say it is curved outward.
  • the front panel F has the maximum convex bulge above half the height of the package base body K.
  • the back panel R is concave, that is to say it is curved inward.
  • FIG. 2A shows a first area of the pack 1 from FIG. 1A in an enlarged view.
  • the regions of the pack 1 already described in connection with FIGS. 1A to 1D are provided with corresponding reference symbols in FIG. 2A.
  • the first area of the pack - shown in Fig. 2A - relates to the area of the pack gable G, in particular the area of the front gable corner GV2 (and the gable corner angle ⁇ GV2 there ) and the area of the rear gable corner GH1 (and the gable corner angle ⁇ GH1 there ).
  • the four corners of the packing gable G are not rectangular:
  • the two front gable corners GV1, GV2 have front gable corner angles ⁇ GV1, ⁇ GV2 that are slightly larger than 90 ° ( ⁇ GV1 , ⁇ GV2 > 90 °) and the two rear gable corners GH1, GH2 have rear gable corner angles ⁇ GH1 , ⁇ GH2 that are slightly smaller than 90 ° ( ⁇ GH1 , ⁇ GH2 ⁇ 90 °).
  • the deviation from a right angle has two reasons for the front gable corner angles ⁇ GV1 , ⁇ GV2: First, they run to the front Gable corner angle ⁇ GV1, ⁇ GV2 adjoining upper lateral pack edges not at right angles to the rear pack edge, but inclined at an angle ⁇ 2 with respect to a perpendicular SR2.
  • the angle ß 1 corresponds to the angle ß2; both angles are preferably in the range between 2 ° and 6 °.
  • the two rear gable corner angles ⁇ GH1 , ⁇ GH2 can therefore be in the range of approximately 86 °, for example.
  • the angle g is preferably in the range between 15 ° and 25 °.
  • the two front gable corner angles ⁇ GV1, ⁇ GV2 can therefore be in the range of about 113 °, for example. From the design described - in particular from the curved front edge V - it follows that the angle sum of the square packing gable G is greater than 360 ° ( ⁇ GV1 + ⁇ GV2 + ⁇ GH1 + ⁇ GH2 > 360 °).
  • FIG. 2B shows a second area of the pack 1 from FIG. 1A in an enlarged view.
  • the regions of the pack 1 already described in connection with FIGS. 1A to 2A are provided with corresponding reference symbols in FIG. 2B.
  • the second area of the pack 1 - shown in FIG. 2B - relates to the area of the third jacket fold line M3, which separates the rear panel R from the two side panels S1, S2 (only one of the two third jacket fold lines M3 is shown in FIG. 2B; for the other third jacket fold line M3 the same applies due to symmetry).
  • the third jacket fold line M3 arranged between the back panel R and the adjoining side panels S1, S2 has four sections I-IV: the first section I adjoins the package bottom B and runs straight.
  • the second section II adjoins the first section I and is curved (in the direction of the rear panel R).
  • the third section III is adjacent to the second section II and runs curved (toward the first side panel S1).
  • dm there is a maximum distance dm between the third jacket fold line M3 and the perpendicular SR3, which can be in the range between 0.5 mm and 2.5 mm.
  • the second section II and the third section III therefore have opposite curvatures or directions of curvature.
  • the fourth section IV adjoins the third section III and the packing gable G and runs straight.
  • the third casing fold line M3 therefore runs in sections straight (in section I adjoining the pack bottom B and in section IV adjoining the pack gable top G) and in sections curved (in the two “middle” sections II, III).
  • BV1 front floor corner BH1
  • BH2 rear floor corner d II
  • d III distance
  • GV1, GV2 front gable corner GH1, GH2: rear gable corner

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un carton (1) constitué d'un matériau composite et comprenant : une base de carton (B) dotée de deux coins de base avant (BV1, BV2) et de deux coins de base arrière (BH1, BH2), une partie supérieure de carton inclinée (G) dotée de deux coins supérieurs inclinés avant (GV1, GV2) et de deux coins supérieurs inclinés arrière (GH1, GH2), et un corps principal de carton (K) doté d'un panneau avant (F), d'un premier panneau latéral (S1), d'un second panneau latéral (S2) et d'un panneau arrière (R), la base de carton (B) et la partie supérieure de carton inclinée (G) se trouvant à des extrémités opposées du corps principal de carton (K), et le matériau composite présentant une couche externe de polymère, une couche interne de polymère et une couche de support qui contient des fibres et est disposée entre la couche externe de polymère et la couche interne de polymère. Afin de permettre la production de cartons présentant des géométries encore plus complexes sans impact négatif sur la rigidité du carton, selon l'invention, le corps principal de carton (K) présente au moins un panneau de relâchement des contraintes (E1, E2) prévu entre le panneau avant (F) et l'un des deux panneaux latéraux (S1, S2).
EP20799637.2A 2019-11-29 2020-10-21 Carton comprenant des panneaux de relâchement des contraintes Active EP4065480B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019132432.7A DE102019132432A1 (de) 2019-11-29 2019-11-29 Packung mit Entlastungspanelen
PCT/EP2020/079567 WO2021104757A1 (fr) 2019-11-29 2020-10-21 Carton comprenant des panneaux de relâchement des contraintes

Publications (3)

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EP4065480A1 true EP4065480A1 (fr) 2022-10-05
EP4065480C0 EP4065480C0 (fr) 2026-02-25
EP4065480B1 EP4065480B1 (fr) 2026-02-25

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Country Status (9)

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US (1) US12129085B2 (fr)
EP (1) EP4065480B1 (fr)
JP (1) JP7789670B2 (fr)
CN (1) CN114728713A (fr)
BR (1) BR112022006979A2 (fr)
DE (1) DE102019132432A1 (fr)
MX (1) MX2022005043A (fr)
SA (1) SA522432566B1 (fr)
WO (1) WO2021104757A1 (fr)

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Also Published As

Publication number Publication date
JP7789670B2 (ja) 2025-12-22
BR112022006979A2 (pt) 2022-07-05
EP4065480C0 (fr) 2026-02-25
US12129085B2 (en) 2024-10-29
DE102019132432A8 (de) 2021-07-29
DE102019132432A1 (de) 2021-06-02
MX2022005043A (es) 2022-05-16
WO2021104757A1 (fr) 2021-06-03
SA522432566B1 (ar) 2024-04-15
JP2023504071A (ja) 2023-02-01
EP4065480B1 (fr) 2026-02-25
CN114728713A (zh) 2022-07-08
US20230002104A1 (en) 2023-01-05

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