EP3070016B1 - Emballage et flan comportant un element de calage perfectionne - Google Patents

Emballage et flan comportant un element de calage perfectionne Download PDF

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Publication number
EP3070016B1
EP3070016B1 EP16160757.7A EP16160757A EP3070016B1 EP 3070016 B1 EP3070016 B1 EP 3070016B1 EP 16160757 A EP16160757 A EP 16160757A EP 3070016 B1 EP3070016 B1 EP 3070016B1
Authority
EP
European Patent Office
Prior art keywords
main
panel
panels
longitudinal
transverse
Prior art date
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Active
Application number
EP16160757.7A
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German (de)
English (en)
French (fr)
Other versions
EP3070016A1 (fr
Inventor
Gérard Autajon
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Finega SA
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Finega SA
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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
    • B65D5/0254—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 closures formed by inward folding of flaps and securing them by means of a tongue integral with one of the 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
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/50—Internal supporting or protecting elements for contents
    • B65D5/5002—Integral elements for containers having tubular body walls
    • B65D5/5016—Integral elements for containers having tubular body walls formed by folding inwardly of extensions hinged to the side edges of the body
    • 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
    • B65D5/50—Internal supporting or protecting elements for contents
    • B65D5/5028—Elements formed separately from the container body
    • B65D5/5035—Paper elements
    • B65D5/5045—Tubular lining and supporting elements

Definitions

  • the invention relates to the field of packaging and more particularly the field of packaging obtained from a single blank, pre-cut and folded from a sheet of material, in particular from a sheet of cardboard.
  • Such packages are very widely used in many fields for packaging products, for example cosmetics or perfumery products.
  • These products may for example be containers, especially tubes, flasks, etc.
  • Such containers contain substances that may be in the form of fluids, pastes, powders, granules, etc.
  • closure flaps which are articulated to one of the peripheral panels by a transverse fold line.
  • closure flaps may be provided at one and the other of the longitudinal ends of the outer peripheral envelope.
  • closure flaps have a shape corresponding to the shape of the closed contour of the outer peripheral envelope and, once folded, often at 90 °, they respectively close the interior space longitudinally to one and the other both ends of the interior space.
  • Packages which comprise an outer peripheral envelope, and a wedging element comprising an internal peripheral cushioning envelope, the wedging element providing a wedging in the two directions perpendicular to the longitudinal direction.
  • the wedging element is made independently of the outer envelope and is introduced into it after it has been assembled.
  • the outer shell and the wedging element are both obtained from the same single blank pre-cut and folded from a sheet of material.
  • Each peripheral envelope is formed of at least three peripheral panels articulated successively to one another around longitudinal fold lines which extend in the longitudinal direction, parallel to each other.
  • the fold lines define longitudinal sides of the peripheral panels.
  • Each peripheral envelope is closed on itself to define a closed contour around an interior space in a transverse plane perpendicular to the longitudinal direction of the fold lines.
  • at least one of the extreme peripheral panels is provided with an assembly flap, also articulated to the end peripheral panel by a longitudinal fold line, to be pressed against an inner or outer face of the other extreme peripheral panel to achieve an assembly, for example by gluing, to form the peripheral envelope.
  • the interior space defined by such a peripheral envelope is closed in at least two directions perpendicular to the longitudinal direction.
  • the outer peripheral panels are included in one portion of the blank, while another portion of the blank comprises the main peripheral panels of the wedging element. The two portions of the blank are connected to each other for example by a connecting panel.
  • the wedging element has as many main panels as there are external peripheral panels in the outer envelope.
  • support lugs are provided between the outer casing and the main casing of the wedging element to maintain a relative position between the two casings, in the two transverse directions perpendicular to the longitudinal direction.
  • the setting of the product in the packaging, in the longitudinal direction remains to be improved, both from the point of view of the design of the package, and from the point of view of the manufacture of the packaging and from the point of view of the packaging operation during which the product to be packaged is introduced into the package.
  • the document DE-20.2011.106.417 describes a packaging system comprising an outer casing and an internal protection element, separated from the outer casing and intended to be assembled by gluing.
  • the documents US-975121 and US 2828902 describe other packaging systems.
  • the invention therefore aims to propose a new design of a package, and a blank to obtain this package that provides a solution to at least some aspects of this issue of wedging in the longitudinal direction.
  • the invention proposes a package obtained from a single blank, pre-cut and folded from a sheet of material, the type comprises an outer casing formed of at least three external panels articulated successively l to one another about longitudinal fold lines which extend parallel to each other in the longitudinal direction, the fold lines define longitudinal sides of the outer panels, the outer envelope being closed over it; even to define a closed contour around an interior space in a transverse plane perpendicular to the longitudinal direction.
  • the packaging comprises a wedging element comprising a main envelope comprising at least three main panels successively articulated to one another around longitudinal fold lines which extend parallel to each other in a longitudinal direction, the fold lines defining longitudinal sides of the panels, the main envelope being closed on itself to define a closed contour around an interior space of the wedging element in a transverse plane perpendicular to the longitudinal direction.
  • Each connecting lug comprises an intermediate transverse folding line which delimits a main portion and an end portion of the connecting lug, respectively attached to the corresponding main panel and to the end panel, so as to bring the band of end of the main casing by folding the two parts of the connecting lug on themselves around the intermediate fold line.
  • Each connecting lug comprises an intermediate transverse folding line which delimits a main portion and an end portion of the connecting lug, respectively attached to the corresponding main panel and to the end panel, so as to bring the band of end of the main panels by folding the two parts of the connecting lug on themselves around the intermediate fold line.
  • the invention also proposes a package obtained from such a pre-cut blank.
  • FIG. 1 a first embodiment of a blank 10 according to the invention for obtaining a package according to the invention.
  • the blank 10 which is illustrated on the Figure 1 is obtained by cutting a sheet of material and constitutes a single blank in that there is continuity of material in the blank, which is not constituted by an assembly of several previously disjoint elements.
  • the blank material will be a conventional material for this type of packaging. It may for example be a cardboard whose weight is greater than or equal to 180 g per square meter. Generally, the cardboard used for such packages has a basis weight less than or equal to 2000 g per square meter. However, the use of other materials, including polymeric materials, is conceivable. Preferably, these materials have a semi-rigid appearance flexion about an axis in the plane of the sheet in which the blank is pre-cut.
  • markings are intended to form a pre-marked fold line of the sheet of material for the purpose of producing the package.
  • the blank 10 which is planar, must be subjected to folding operations and assembly, including gluing, to achieve a three-dimensional packaging.
  • the blank 10 has two main portions each intended to form a peripheral envelope.
  • a first portion 12, visible on the left of the Figure 1 and visible on the Figure 2 is intended to form a main element, called wedging element, packaging.
  • a second portion 14, visible on the right side of the Figure 1 is intended to form an outer envelope of the package.
  • the two portions 12, 14 of the blank 10 are connected to each other by a connecting panel 16 whose role will be explained later.
  • the blank comprises four main panels 21, 22, 23, 24 which are juxtaposed and articulated successively to one another around three fold lines 31, 32, 33 longitudinal.
  • a first fold line 31 connects, delimiting, a distal extreme main panel 21 of a distal intermediate main panel 22.
  • a second fold line 32 connects the distal intermediate main panel 22 to a proximal intermediate main panel 23, which is connected to a proximal proximal main panel 24 around a fold line 33.
  • the fold lines 31, 32, 33 thus define longitudinal sides of the corresponding main panels.
  • the distal endmost main panel 21 further comprises a longitudinal side 30 through which it is connected to an assembly flap 18, the longitudinal side 30 corresponding to a fold line, preferably pre-marked, between the panel 21 and the flap 18.
  • the flap 18 has a longitudinal free edge 29, which is a free edge of the blank 10.
  • the proximal end main panel 24 has, opposite the longitudinal side 33, a longitudinal side 34 which, in this embodiment, is formed of a pre-marked fold line by which it is connected to the connecting panel 16 .
  • the main panels have transverse extensions 51, 52, 53, 54, 55 arranged at the longitudinal sides 31, 32, 33 between two panels. key. These cross-sectional extensions are optional. Each transverse extension is secured to one of the panels and is delimited by a U-shaped cut formed in the material constituting one of the adjacent main panels. The tips of the legs of the U-cut are located on a fold line 31, 32, 33 between two main panels, while the base of the U is formed by a longitudinal edge of the cutout which is offset a transverse offset " e " with respect to the corresponding fold line.
  • the fold line is interrupted so that, when folding two successive panels around their common fold line, the extension remains in alignment with the panel of which she is in solidarity. It will be seen later that these extensions are intended to form support legs. It is therefore understood that, at these transverse extensions, the longitudinal sides of the main panels have recesses. However, these recesses do not affect the fold line between two panels.
  • the fold lines 31, 32 and 33 are pre-marked, except at the level of the transverse extensions.
  • Each of the main panels 21, 22, 23, 24 has opposite upper and lower transverse sides 41, 42, 43, 44, which are arranged at the longitudinal ends of the corresponding panel and which are each materialized by a fold line.
  • the main panels all have the same dimension in the longitudinal direction so that the upper and lower transverse edges of the four main panels are respectively aligned along an upper fold transverse line and in a lower fold transverse line.
  • the four main panels 21, 22, 23, 24 are intended to form, after a bending at 90 ° around each of the fold lines 31, 32, 33, a main envelope closed on itself defining a closed contour around an internal wedging space of the wedging element 12.
  • the closed contour of the main envelope corresponds to a quadrilateral in a transverse plane perpendicular to the longitudinal direction. If the folding is done at 90 ° around each fold line, a rectangle is obtained, and even more precisely a square in the case where, in addition, the main panels have an identical transverse width.
  • the flap 18 can also be folded at 90 ° around the fold line 30 so that it can be brought into position.
  • the proximal extreme main panel 24 has a width greater than that of the other panels. It is thus possible to define a virtual longitudinal assembly line LM1 offset from the fold line 34 connecting to the connecting panel 16 by a transverse gap "e".
  • the transverse distance between the longitudinal virtual assembly line LM1 and the longitudinal side 33 of the proximal extreme main panel 24 is equal to the transverse width of the distal intermediate main panel 22 between its two longitudinal sides 31 and 32.
  • this transverse deviation " e " corresponds to the transverse distance " e " of the support legs 51-55.
  • proximal proximal main panel 24 which lies between the longitudinal virtual assembly line LM1 and the fold line 34 constitutes a transverse extension of the panel intended to form a support lug to maintain a gap between the main cushioning casing and the outer envelope of the package.
  • the wedging element formed by the portion 12 of the blank 10 comprises, at at least one longitudinal end, an end wedging device.
  • the wedging element comprising the four main panels 21, 22, 23, 24 further comprises, at at least one longitudinal end, an end strip 60 which comprises as many end panels 61, 62, 63 , 64 that the number of main panels.
  • the end panels are successively articulated to one another around longitudinal fold lines 71, 72, 73 arranged in alignment with the fold lines 31, 32, 33 of the main panels.
  • the wedging element is provided with two end bands, one at each longitudinal end, but only one could be provided.
  • At least one longitudinal connecting lug 80 is provided which connects a main panel to a respective end panel, that is to say, an end panel arranged longitudinally in the extension of main panel considered.
  • the four end panels are each connected to the corresponding main panel by a connecting lug 80.
  • the connecting lugs all have the same geometry.
  • the connecting lug 80 of a main panel is separate from the or the connecting lugs of the other main panels.
  • the connecting tabs are separated from each other transversely by a separation cutout 82 in the sheet of materials.
  • Each connecting lug 80 has an intermediate transverse folding line 84 which delimits the tab in two parts: a main part 80a which is attached to the corresponding main panel and an end part 80b which is attached to the corresponding end panel. .
  • the main part of the connecting lug 80 is articulated to the corresponding main panel by a pre-marked transverse fold line.
  • a pre-marked fold line is intended to form, at the time of folding, a net hinge between two portions of the material constituting the blank, in this case between the main panel and the main part 80a of the blank. link lug 80.
  • folding is done where the bulk of the deformation is concentrated on the fold line.
  • the mechanical characteristics of the material in particular flexural strength, have a sudden weakening, which makes it a preferred deformation zone with respect to the surrounding areas.
  • the production of a pre-marked fold line may involve one or more techniques, among which may be mentioned, for example, the technique of cutting half-flesh, or marking by crushing of material, etc.
  • the pre-marked fold line by which each link tab is attached to the corresponding main panel coincides with the transverse end side 41, 42, 43, 44 of the corresponding main panel.
  • the intermediate fold lines 84 of all the connecting tabs connecting an end strip 60 to the corresponding main panels are aligned in a transverse direction.
  • the intermediate fold line 84 of each leg is also pre-marked in the sense defined above.
  • the end portion 80b of the connecting lugs 80 is attached to the corresponding end panel by a bending zone devoid of a pre-marked folding transverse line.
  • a bending zone devoid of a pre-marked folding transverse line it is not possible to clearly distinguish the separation between the end panel and the end portion of the corresponding connecting lug.
  • the transition zone between an end panel of the strip 60 and the end portion 80b of the corresponding connecting tab, has a greater stiffness in flexural strength than the transition zone between a main panel and the part.
  • main 80a of the same connecting lug the latter transition zone comprising the pre-marked fold line.
  • each end panel is connected to the corresponding main panel by a single connecting lug.
  • at least one end panel is connected to the corresponding main panel by a plurality of independent link tabs.
  • a separation cutout 82 between two connecting lugs has a diamond shape with two longitudinal vertices 82a, 82b and with two transverse vertices 82c.
  • the transverse vertices 82c of a diamond separation cutout are each arranged at the end of the transverse intermediate folding line 84 of the two adjacent connecting lugs.
  • a separating cut 82 has one end, here formed by a longitudinal apex 82, on the side of the main panels, which is located at the intersection of the fold line 31, 32, 33 between two panels with the pre-marked fold line 41, 42, 43, 44 by which each of the two adjacent connecting lugs, separated by the cut in question, are connected to said main panels.
  • a separation cutout 82 has an end, here formed by a longitudinal apex 82b , on the side of end panels, which is located on the folding line 71, 72, 73 hinge these end panels.
  • all the connecting lugs 80 have the same geometry and all the separation cutouts 82 between the connecting lugs also have the same geometry.
  • the longitudinal vertices 82b of the cuts 82, on the side of the end panels 61, 62, 63, 64, are aligned along a virtual transverse line LP1.
  • the second portion of the blank 10, intended to form the outer envelope of the package conventionally has a case, four outer panels 121, 122 , 123, 124 articulated successively to one another around lines longitudinal folds 131, 132, 133, which define longitudinal sides of the outer panels.
  • a proximal outer panel 121 is connected by a longitudinal fold line 130, opposite its other longitudinal side 131 , to the connecting panel 16, the latter thus ensuring the connection between the two portions 12, 14 of the blank 10.
  • this outer envelope is intended to be closed on itself to define a closed contour around an interior space in a transverse plane perpendicular to the longitudinal direction.
  • the connecting panel 16 is intended to also form an assembly flap, intended to be assembled, for example by gluing, plane against plane against an inner face of a distal outermost panel 124, to produce and maintain the three-dimensional shape of the outer shell.
  • the outer panels have an upper transverse width, twice the transverse deviation value "e" to the width of the corresponding main panels of the wedging element 12. length in the longitudinal direction which is greater than the length of the main panels of the wedging element.
  • two such closure flaps 125 are planned to close the case at both longitudinal ends.
  • Each closure flap 125 is preferably provided with a locking flap 126 hinged to a transverse longitudinal end edge of the closure flap 125 opposite its hinge edge on the outer panel 121.
  • the closure of the package at the longitudinal ends is completed by one or more complementary closure shutters 128, also articulated along a transverse longitudinal end edge of an outer panel 122, 124 other than the outer panel 123 opposite the outer panel 121 carrying the closure flap 125.
  • This pre -folding is to perform a folding, for example at 120 ° or 180 °, by folding the entire end strip 60 inwardly around the line constituted by the alignment of the transverse edges 41, 42, 43, 44 of the main panels, then to fold back into in the opposite direction, for example at 120 ° or 180 ° to the outside, the end band around the intermediate transverse folding lines 84 of the connecting lugs 80.
  • the end strip 60 also has an assembly flap 18a, which may be constituted by the extension of the assembly flap 18, which is secured to an end end panel 61, and which is intended to to be folded down and assembled, for example by gluing, against the other extreme end panel 64 to give the end strip a closed contour substantially identical to the closed contour determined by the main panels.
  • assembly flap 18a may be constituted by the extension of the assembly flap 18, which is secured to an end end panel 61, and which is intended to to be folded down and assembled, for example by gluing, against the other extreme end panel 64 to give the end strip a closed contour substantially identical to the closed contour determined by the main panels.
  • each end panel of the end strip is then arranged in the same plane as the corresponding main panel of the wedging element.
  • the formation of the package is continued by forming the outer envelope by successive folds of the blank around the fold lines 34, 130, 131, 132, 133 so that, once the distal outermost panel 124 folds with its internal face bearing against an outer face of the connecting panel 16, the four outer panels form around the wedging element 12, the outer casing also having a closed contour.
  • the result of this assembly is illustrated in figure 4 .
  • the connecting panel 16 has a transverse width which is substantially equal to the transverse width of the outer panels minus the transverse deviation value "e".
  • This offset combines with the role of the transverse extensions 51, 52, 53, 54, 55, which form as many support lugs which extend in one or more transverse directions and which are each in contact with an inner face of an outer panel of the outer casing for holding at least one of the main panels of the wedge member spaced apart from said external panel of the outer casing.
  • the main envelope of the wedging element is firmly held away from the external panels of the outer envelope, preferably in the two transverse directions perpendicular to the longitudinal direction.
  • the difference value "e" determines the distance between the respective panels vis-à-vis the outer envelope and the cushioning envelope.
  • the end strip 60 and the connecting lugs 80 form, at a longitudinal end of the wedging element, an end wedging device for longitudinally wedging a product inside the wedging element.
  • the end wedging device which has just been described is a first possible embodiment. Others will be described later.
  • FIGS. 5A, 5B, 5C schematic sectional views that illustrate different positions of this first embodiment of an end wedging device.
  • this first embodiment of an endstop device can be described as a bi-articulated device because the connecting lug 80 has only two net joints, to namely the intermediate transverse folding line 84 and the pre-marked fold line of connection to the corresponding main panel.
  • the bi-articulated end wedging device is illustrated in a longitudinally extended outward position.
  • the connecting lugs 80 are unfolded in the sense that the two parts of the connecting lugs form, between them, an angle greater than 90 °.
  • the bi-articulated end wedging device has been illustrated in an inward longitudinal position.
  • the two parts of the connecting lugs 80 are folded over one another in the sense that they form, between them, an angle less than 90 °.
  • the tabs 80 are directed longitudinally inward to form a harpoon directed longitudinally inward of the space defined by the envelope formed by the main panels which carry them.
  • the bi-articulated end wedging device can be reversibly moved between these two distinct stable longitudinal positions, on either side of an unstable position, illustrated in FIG. Figure 5B
  • the main portions 80a of the connecting lugs 80 extend in a transverse plane perpendicular to the longitudinal direction. Due to the absence of a pre-marked transverse fold line between the end panel and the end portion 80b of the corresponding connecting tabs, the bi-articulated end clamping device is resiliently biased toward one or the other of these two longitudinal positions stable under the effect of a restoring force which is due in particular to the elastic deformation of the bending zone at the transition between the end panel and the end portion of the dough link. The same restoring force makes the position illustrated in Figure 5B is an unstable position.
  • the closed nature of the contour formed by the end strip 60 contributes to the fact that the forces generated at the level of two legs carried by opposite main panels tend to cancel.
  • the closed nature of the contour formed by the end strip 60 contributes to the fact that the end panels can not move in the direction transverse, and the end strip 60 forms a rigid base for taking up the bending stresses generated in the transition zone between the end panel and the end portion 80b of the corresponding connecting tabs, which allows this zone transition to generate a relatively large restoring force.
  • the length "la" of the main portion 80a of a connecting lug 80 is less than half of the maximum dimension "T" of the inner space of the wedging element in one direction perpendicular to the corresponding main panel.
  • This characteristic is particularly visible on the Figure 5B where it can be seen that the main portions 80a of the two opposite connecting lugs 80 , that is to say connected to two non-adjacent panels of the envelope, can not come into abutment against each other during the tilting of the end strip 60 between its extended and close positions.
  • the maximum dimension "T" of the internal space of the wedging element, in a transverse direction perpendicular to the corresponding main panel, is generally equal to the distance between the two longitudinal sides of a main panel adjacent to the panel.
  • the separating blanks 82 between two adjacent connecting tabs 80 are preferably arranged, as in the example illustrated, in the form of an openwork, that is to say in the form of a cutting that is not a simple cut line.
  • the geometry of this openwork is preferably chosen so that, when the main parts 80a of two adjacent connecting lugs, not being connected to a same main panel but being linked to two adjacent main panels, are bent at 90 ° to the interior space, as shown in Figure 5B , The main parts 80a of the adjacent connection tabs do not overlap, particularly in view in the longitudinal direction. This prevents two adjacent tabs abut against each other during the tilting of the end strip between its extended and close positions.
  • the intermediate fold line 84 of the connecting lugs forms a projecting edge of the folded connecting lug 80 , this projecting edge being able to bear against a product contained in the packaging to ensure the wedging.
  • the connecting tabs each have a main portion 80a whose geometry allows it to be received, folded at 90 ° to the inner space relative to the corresponding main panel, without contacting the adjacent main panels.
  • the length of the end portion 80b of a connecting lug as being the shortest distance " Ib " between the intermediate fold line 84 and a transverse partition line between this end portion 80b. and the corresponding end panel.
  • this dividing line is not marked. It is therefore a theoretical line. It can be defined as the last theoretical line, starting from the corresponding longitudinal end of the wedging element, for which there is continuity of material of the end strip over the entire transverse width of the corresponding end panel. . In other words, this theoretical line may be the last theoretical line for which neither separating blanks 82 are intercepted on either side of the link tab considered. In the exemplary embodiment illustrated, these two definitions correspond to the virtual transversal line LP1 along which the longitudinal vertices 82 b cutouts 82, the side of the end panels 61, 62, 63, 64, are aligned.
  • the length " la " of the main part 80a of a connecting lug 80 is less than the length "lb" of the part of end 80b of the same link leg.
  • this bending zone remains essentially in its elastic deformation range and therefore retains sufficient elasticity to maintain the endstop device in one or other of its stable positions.
  • FIG. 6 There is illustrated an alternative embodiment which differs from the first embodiment essentially in that it is provided with end clamping devices which are not bi-articulated as in the first embodiment, but which are devices tri-articulated.
  • a view of the packaging being assembled, from the blank of the Figure 6 is represented at Figure 7 .
  • the closed contour formed by the main panels 21, 22, 23, 24 of the main envelope, the closed contour formed by the outer panels 121, 122 , 123, 124 of the envelope external, and the closed contour formed by the end panels of the end bands 60, 60 ' of the end wedging devices are all three rectangular because of the different width of the panels considered in the same envelope or in a same headband, with alternation, whose succession of panels, a narrow panel and a wide panel.
  • the upper tri-articulated end wedging device of the tri-articulated end wedging device will be distinguished. lower, recalling that the notions of superior and inferior are only used by reference to the representation of the Figure 6 , without affecting the orientation of the blank or the packaging in the space.
  • the upper end strip 60 thus comprises four end panels 61, 62, 63, 64, intended to form, after folding of the end panels around their respective fold lines 71, 72, 73, a closed contour when a flap 18 is secured to an extreme end panel 61 is assembled, for example by gluing, to an extreme end panel 64.
  • Each end panel is connected to a respective main panel via a connecting lug 80.
  • Each connecting lug 80 has an intermediate transverse fold line 84, which delimits a main portion 80a and an end portion 80b of the connecting lug 80 respectively attached to the corresponding main panel and end panel.
  • the main portion 80a of the connecting lug is attached to the main panel by a pre-marked transverse fold line which preferably coincides with a transverse longitudinal end edge of the main panel.
  • the pre-marked transverse fold lines of the main portion 80a with the corresponding main panel are all aligned according to a transverse line 83, which in this example coincides with the transverse longitudinal end edge 41, 42, 43, 44 of the corresponding main panel of the wedging element 12.
  • the end portion 80b of the connecting tab 80 is attached to the corresponding end panel by a pre-marked transverse fold line 85.
  • the end portion 80b of the connecting lug is connected to the end panel of the corresponding end strip by a net hinge, which can be characterized in particular by a sharp fall in mechanical characteristics, in particular of flexural strength, of the material.
  • the pre-marked transverse fold line 85 can thus be considered as a demarcation line between the end panel and the corresponding connecting lug 80 .
  • the pre-marked transversal fold lines 85 for attaching the connecting lug to the corresponding end panel are aligned according to a transverse right.
  • the connecting lugs 80 are delimited between them by cutouts 82, which, in this embodiment, are formed by perforations and not by simple cutting lines.
  • cutouts 82 which, in this embodiment, are formed by perforations and not by simple cutting lines.
  • the connecting tabs 80 of the upper end wedging device are not all identical. Those associated with wide panels 22, 24, 62, 64 have a geometry similar to that described above, with lateral sides, defined by the cutouts 82, which each form a half rhombus. For these tabs associated with wide panels, the fold line 84 extends between the transverse vertices of these half-lozenges.
  • the connecting tabs associated with narrow panels 21, 23, 61, 63 each have a central portion with longitudinal parallel edges and, on either side of the central portion, end portions with flared edges providing the connection respectively to the corresponding main panel and end panel. These connecting lugs therefore have a general hourglass shape.
  • the transverse fold line 84 of each tab 80 extends across the central portion.
  • a cutout 82 arranged between a connecting lug associated with a wide panel and a connecting lug associated with a narrow panel has a truncated diamond geometry. transversely by a longitudinal flat on the side of the connecting lug associated with a narrow panel.
  • the transverse intermediate folding lines 84 of the connecting tabs 80 of the upper end wedging device are aligned along a transverse line.
  • each connecting lug 80 is therefore associated with three pre-marked fold lines 83, 84, 85, which justify the designation of tri-articulated end wedging device.
  • the three pre-marked fold lines 83, 84, 85 are parallel to each other.
  • the transverse line 84 of a connecting lug may be equidistant from the other two pre-marked fold lines 83, 85 by which a connecting lug 80 is respectively connected to the corresponding main and end panels.
  • the length of the main portion 80a, respectively of the end portion 80b, of the connecting tabs defined as being the shortest distance between the intermediate fold line 84 and the pre-marked transverse fold line 83, 85 of attachment to the main panel, respectively to the end panel, are both less than half the maximum dimension of the inner space of the wedging element in a transverse direction perpendicular to the corresponding main panel.
  • this condition is not fulfilled for the connecting tabs 82 associated with the wide panels, for the upper end wedging device which has just been described, because the dimension The maximum amount of the internal space of the wedging element is then determined by the transverse width of the narrow panels 21, 23 which, in this example, does not make it possible to carry out the condition.
  • the tri-articulated end wedging device can be reversibly moved between at least one extended outward longitudinal position, illustrated for example in FIG. Figure 8 A , and a longitudinal position close to inside, illustrated in Figure 8 B .
  • the extended outward longitudinal position is a stable position.
  • a transverse end edge 69 of the wedging device (here formed by the free transverse edge of the end strip 60 ) is received inside the space delimited by the outer envelope.
  • a transverse end edge 69 of the wedging device is received inside the space delimited by the outer envelope.
  • it is received at or longitudinally inwardly with respect to a longitudinal end edge of the package which is defined by the transverse end edges of the outer panels of the outer shell.
  • a closure flap 125 and / or possibly complementary shutter flaps 128, articulated on these transverse end edges of the outer panels can, in the closed position at 90 °, block the wedging device of end in the interior space delimited by the outer envelope, in a position inwardly close to the position as illustrated in FIG. figure 8 B .
  • the connecting tabs 80 are folded on themselves and extend substantially across the interior space.
  • the intermediate fold line 84 of the connecting lugs forms a projecting edge of the folded connecting lug 80 , this projecting edge being able to bear against a product contained in the packaging to ensure the wedging.
  • the transverse end edge of the endstopper protrudes outside the interior space defined by the outer shell.
  • the transverse end edge of the end stabbing device protrudes longitudinally outwardly with respect to the longitudinal end edge of the package defined by the transverse end edges of the external panels of the outer shell.
  • the length "1b" of the end portion 80b of a connecting lug 80 is the shortest distance between the fold intermediate 84 and the pre-marked transverse fold line 85 by which it is attached to the end panel.
  • This length “lb” may be chosen to be greater than the length "la" of the main portion 80a of the link tab 80, which is defined, as before, as being the shortest distance between the intermediate fold line 84 and the pre-marked transverse fold line 83 of main panel attachment.
  • the length "la” of the main portion 80a of a link tab 80 may be 5 to 20 % less than the length "1b" of the end portion 80b of said link tab.
  • the end wedging device that is illustrated on the Figure 6 the lower side of the wedging element 12 is also a tri-articulated device. It differs essentially from the upper device in that the lower end strip 60 ' is connected to the main envelope only by connecting lugs 80' associated only with two of the four main panels 61 ', 62', 63 ', 64', in this case two non-adjacent main panels, in this case opposed, namely the main wide panels 22, 24.
  • the other two panels, in this case the narrow panels 21, 23, are not related to the corresponding end panel of the lower end strip 60 '.
  • a cut-out 82 ' which is interposed between the connecting tabs 80' corresponding to the wide main panels 22, 24.
  • each connecting lug 80 ' is attached respectively to the corresponding main panel and to the corresponding end panel by fold lines 83', 85 ', pre-marked, and each connecting lug has a transverse intermediate folding line 84' delimiting a main portion 80'a and an end portion 80'b of the connecting tab 80 '.
  • the window 87 ' does not extend over the entire distance between the fold lines 83', 85 ' by which the connecting tabs are respectively attached to the corresponding main panel and the corresponding end panel. In this way, there remain, longitudinally on either side of the separation window 87 ', transverse strips 89' which extend transversely between two connecting tabs 80 ' associated with the same main panel. The transverse strips 89 ' are therefore respectively connected to the corresponding main panel and the corresponding end panel by the pre-marked fold lines 83', 85 '.
  • FIG. 9 There is illustrated one embodiment of a single blank for producing packaging comprising an outer shell formed of outer panels 121, 122, 123, 124 and a wedge element 12 formed of main panels 21, 22, 23, 24.
  • the number of external panels is equal to the number of main panels.
  • the outer panels are not parallel to the main panels.
  • the transverse width of the connecting panel 16 is chosen so as to create an angular offset, in a transverse plane perpendicular to the longitudinal direction, between the external panels of the outer envelope and the main panels of the main envelope of the wedging element.
  • this embodiment has only one end wedging device according to the invention, the upper side, having an end strip 60 connected to the main panels of the wedging element 12 by means of connecting lugs 80.
  • This is a bi-articulated end wedging device in which the end portion 80b of at least two connecting lugs 80 is attached to the end strip 60 corresponding by a bending zone devoid of pre-marked fold transverse line.
  • This end clamping device is arranged at a longitudinal end of the wedging element 12, in this case the upper longitudinal end, the other longitudinal end, lower, being devoid of it.
  • the outer envelope has as many external panels that the wedging element comprises main panels.
  • this feature is not mandatory and may be provided packages with more external panels than main panels, or conversely packs with fewer external panels than the main panels of the wedging element.
  • the endstop device according to the invention is particularly advantageous for several reasons.
  • the end wedging device according to the invention is obtained from the same single blank as the package.
  • the realization of the end wedging device according to the invention is relatively simple, including at the time of assembly, because it does not require particularly complicated cuts or complex assembly operations.
  • all the fold lines are either longitudinal or transverse, without the need for folding around the oblique fold lines.
  • the end wedging device is made on the part of the wedge element blank has various advantages.
  • the wedging device is thus likely to be concealed inside the outer casing.
  • at least the end stopping device does not protrude longitudinally from the level at which elements such as the closure flap 125 and / or the complementary closure flaps 128 extend .
  • the calibration device according to the invention is thus integrated into the blank 10 without increasing the longitudinal dimension of the blank 10.
  • the blank 10 is pre-cut in a strip of materials having a longitudinal dimension.
  • the end setting device or devices are integrated in the wedging element without increasing the width necessary for the band. We thus reduces the material falls that are generated at the time of pre-cutting of the blank 10.
  • the endstop device When the endstop device is a bi-articulated or tri-articulated device, it has an extended outward position which is stable. This stable character is particularly useful at the time of introduction of the product of the package. Before introduction, it is in a stable extended position in which it does not interfere with the introduction of the product into the package.
  • the endstop After the introduction of the product, the endstop is brought into its close position in which it is able to block the product.
  • This operation which brings the end setting device into its close position can be done by simply pressing on the end strip in the longitudinal direction.
  • This operation can be done with an automated push tool, having only one axis of displacement.
  • the automated push tool can be the same tool that ensures the introduction of the product into the package.
  • the holding of the end wedging device in its close position can be easily obtained simply by the presence of a closing flap 125.
  • the packages are generally filled. such a component so that there is no additional means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP16160757.7A 2015-03-20 2016-03-16 Emballage et flan comportant un element de calage perfectionne Active EP3070016B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1552314A FR3033772B1 (fr) 2015-03-20 2015-03-20 Emballage et flan comportant un element de calage perfectionne

Publications (2)

Publication Number Publication Date
EP3070016A1 EP3070016A1 (fr) 2016-09-21
EP3070016B1 true EP3070016B1 (fr) 2018-01-24

Family

ID=53404711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16160757.7A Active EP3070016B1 (fr) 2015-03-20 2016-03-16 Emballage et flan comportant un element de calage perfectionne

Country Status (3)

Country Link
EP (1) EP3070016B1 (es)
ES (1) ES2663909T3 (es)
FR (1) FR3033772B1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD885889S1 (en) 2018-07-17 2020-06-02 International Paper Company Blank for shipper insert
USD904191S1 (en) 2018-07-17 2020-12-08 International Paper Company Shipper insert

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10913567B2 (en) * 2018-07-17 2021-02-09 International Paper Company Shipping insert and blank for forming same
CN109229706A (zh) * 2018-07-30 2019-01-18 天津商业大学 一种具有正反揿结构衬垫的化妆品包装盒

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Publication number Priority date Publication date Assignee Title
US975121A (en) * 1910-01-27 1910-11-08 James H Carter Box.
GB365078A (en) * 1930-10-14 1932-01-14 Britannia Folding Box Company Improvements in or relating to cartons for packing fragile articles
US2828902A (en) * 1953-11-12 1958-04-01 Diamond Match Co Carton with integral tubular liner
US3134486A (en) * 1962-08-13 1964-05-26 St Regis Paper Co Cartons for electrical bulbs and the like
US3750934A (en) * 1972-01-18 1973-08-07 Garber A Co Container with axial interlocking means
DE202011106417U1 (de) * 2011-10-07 2011-11-21 Smurfit Kappa Gmbh Verpackung mit integriertem Schutzpolster

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD885889S1 (en) 2018-07-17 2020-06-02 International Paper Company Blank for shipper insert
USD904191S1 (en) 2018-07-17 2020-12-08 International Paper Company Shipper insert

Also Published As

Publication number Publication date
FR3033772B1 (fr) 2018-01-19
FR3033772A1 (fr) 2016-09-23
ES2663909T3 (es) 2018-04-17
EP3070016A1 (fr) 2016-09-21

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