EP3049336B1 - Schale aus wellpappe, zuschnitt, vorrichtung und verfahren zur herstellung solch einer schale - Google Patents

Schale aus wellpappe, zuschnitt, vorrichtung und verfahren zur herstellung solch einer schale Download PDF

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Publication number
EP3049336B1
EP3049336B1 EP14793224.8A EP14793224A EP3049336B1 EP 3049336 B1 EP3049336 B1 EP 3049336B1 EP 14793224 A EP14793224 A EP 14793224A EP 3049336 B1 EP3049336 B1 EP 3049336B1
Authority
EP
European Patent Office
Prior art keywords
tray
flaps
tabs
blank
joined
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
EP14793224.8A
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English (en)
French (fr)
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EP3049336A1 (de
Inventor
Nicolas Lelay
Guillaume PIERAS
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.)
DS Smith Packaging France SAS
Original Assignee
Otor SA
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Publication of EP3049336A1 publication Critical patent/EP3049336A1/de
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Publication of EP3049336B1 publication Critical patent/EP3049336B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/0045—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 stackable the container being formed by folding up portions connected to a central panel having both integral corner posts and ledges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • 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
    • B65D5/001—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 stackable
    • B65D5/0015—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 stackable the container being formed by folding up portions connected to a central panel
    • B65D5/002—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 stackable the container being formed by folding up portions connected to a central panel having integral corner posts
    • 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
    • B65D5/001—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 stackable
    • B65D5/005—Separate or attached stacking elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/502—Construction of rigid or semi-rigid containers having integral corner posts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • 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
    • B65D5/20—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2085—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having incisions defining foldable flaps hinged to its edges
    • 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
    • B65D5/20—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/28—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with extensions of sides permanently secured to adjacent sides, with sides permanently secured together by adhesive strips, or with sides held in place solely by rigidity of material

Definitions

  • the present invention relates to a tray made of cardboard sheet material having a rectangular bottom and a sidewall belt reinforced by pillars formed by folding a portion of the walls.
  • It also relates to a blank for the production of such a tray, and a device and a corresponding method.
  • Such trays are flexible and thus allow a mix making them suitable for the delivery and / or the simultaneous promotion of several different products.
  • Such trays if they have good compressive strength, do not allow a presentation of the products on the sides.
  • the present invention aims to provide a tray, a blank made of cardboard sheet material, a device and a method for producing such a tray, better than those previously known to the requirements of the practice, in particular in that it proposes a tray allowing a use adapted to all the sizes of products, a homogeneous presentation in linear, in PLV or on pallet, in that it optimizes the space of sale, in that it facilitates the access to the products while allowing an excellent identification of the brand and this with a possibility of automatic manufacture at high speed (more than thirty shots / minute).
  • the costs of multiple packaging are also reduced, because of the modular nature of the trays that are storable for different products on the same pallet.
  • Such a tray makes it possible to limit the number of movements for placing in the linear, eliminating the need for a cutter and / or pre-cut when placing on the shelf.
  • the invention notably proposes a sheetboard material tray having a rectangular bottom and a sidewall belt, namely two first opposite side walls, said first walls, at least one of said first walls being connected on either side by first fold lines to end flaps, said first flaps, themselves respectively connected or not in upper part to a second flap by a second fold line, and two second opposite side walls, said second walls, characterized in that the second walls each comprise a central rectangular panel of length less than the length of the bottom, said panel being connected at each of its lateral ends by a third fold line to a pillar reinforcing element folded and glued on said central panel, and / or on the first flap of the first adjacent wall, namely a first reinforcing element located entirely at distance from said first adjacent wall, and a second reinforcing member.
  • the invention also provides a blank for obtaining a tray as described above.
  • the invention also proposes a blank, for the constitution of a tray, comprising a rectangular bottom connected by junction lines with four rectangular flaps adapted to form the walls of the tray, namely two first opposed flaps, at least one of said first flaps being connected on both sides by first fold lines to end flaps, said first flaps themselves connected on their periphery, the opposite side to that located in the extension of the corresponding junction line of the first flap, with two second flaps by second fold lines, and two opposite second side flaps, characterized in that the second flaps each comprise a rectangular central panel of length less than the length of the bottom, said panel being connected to each from its lateral ends by a third fold line to an element capable of forming a pillar during the formation of the plate.
  • the element capable of forming a pillar is formed by two, three or four rectangular tabs, interconnected by fourth fold lines, the first tabs being adapted to form the pillar and the last tab of FIG. end being adapted to be glued on the inner face of the second corresponding wall.
  • the blank is characterized in that at least one of the first flaps comprises at the outer periphery a third flap connected to said first flap by a fifth folding line, double, said third flap being arranged to be folded inwards when the tray is formed on the inner face of said first corresponding flap.
  • the invention also provides a method and a device for forming a tray as described above.
  • the invention also proposes a method of forming a tray from a blank comprising a rectangular bottom connected by junction lines with four rectangular flaps suitable for forming the walls of the tray, namely two opposite first flaps, at least one of said first components being connected on both sides by first lines of folding end flaps, said first flaps themselves connected on their periphery, the opposite side to that located in the extension of the corresponding junction line of the first flap, two flaps by second fold lines, and two seconds opposite side flaps, characterized in that the second flaps each comprise a rectangular central panel of length less than the length of the bottom, said panel being connected at each of its lateral ends by a third fold line to a reinforcing element provided with a junction face with the second lateral flap, the blank is stripped from a vertical stack of flat blanks, the blank is transferred to a first volume-setting station of said reinforcing elements while gluing said junction faces of said reinforcing elements during the transfer, counterpressure pieces are brought in line with the third fold lines above the blank, said counter-
  • the reinforcing element capable of forming a pillar is formed by three or four rectangular blades, interconnected by junction lines, the first two or three first blades being arranged to form said pillar, of triangular or polygonal cross-section and the third or fourth end blade, being adapted to stick the end tongue on the inner face of the second wall of the corresponding formed plate.
  • the invention also proposes a device for implementing the above method and / or for producing a plate as described above.
  • the first wall 5 is rectangular and connected on both sides by first fold lines 9 to end flaps 10, 11 rectangular or substantially rectangular (for example trapezoidal or partially trapezoidal with an angle to the base between 5 ° and 45 °), symmetrical with respect to the longitudinal axis 12 of the blank 2.
  • the end flaps 10, 11 are themselves connected in the upper part, that is to say on the outer periphery 12 parallel and / or in the extension of the upper periphery 13 of the first flap 5, to second flaps 14, via double fold lines 15 obliquely towards the axis 12 and the center of the panel 3, for example with an angle ⁇ with respect to the axis between 80 ° and 45 ° for example 70 °.
  • width L1 of the flaps 10 and 11, and that L2 of the second flaps are such that there is partial overlap of the second flap 7 opposite, when the flaps are folded to form the tray (Cf. figure 1 ).
  • the first wall or first flap 5 further comprises in the upper peripheral portion 13 a third rectangular flap 17 connected to the first wall by a fifth fold line 18, double, that is to say thick enough to allow the folding of the third flap 17 on the inner face 19 of the first wall.
  • the flap 5 is of height h1 and the flap 6 of height h2> h1, but smaller than the height H of the second flaps, which will now be described.
  • the plate further includes two second flaps or walls 7 and 8, each having a central rectangular panel 20 of height H, of length 11 less than the length 12 of the bottom, for example between 1/2 and 4/5 of said length 12, for example equal to 3/4.
  • Each central panel 20 is connected at each of its ends, via a third fold line 21, to a member 22 accordion forming pillar, folded and glued to the inner face 23 of the central panel.
  • each accordion element is formed by three vertical tongues parallel to the third fold line 21, namely a first and a second tongues 24, 25 and 26, 27, rectangular identical two by two, respectively interconnected by fold lines 28 or 29, and a third tongue 30, 31 substantially rectangular of smaller length (comprising a notch in the lower part), adapted to be glued, or glued when the plateau is formed on the corresponding inner face 23.
  • Each of the third tongues 30, 31 comprises in the upper part an end 32 forming a pin, for example of trapezoidal shape, protruding from the periphery of the second flap and / or the height H of the second wall, and a corresponding notch in the lower part.
  • the bottom 3 of the plate comprises recesses 33 (slots) of complementary shape to the tenons of the bottom tray, which are found at the right in case of stacking one on the other. More precisely, the slots are rectangular of the thickness or a little more than the thickness of the corrugated cardboard, and have a side confused at the junction line 34 between the bottom 3 and the second flaps 7 and 8.
  • the central panels 7 and 8 are eccentric with respect to the transverse central axis 35 of the plate perpendicular to the second walls, one end of the panels (fold line 21) being adjacent to the same first wall 6 here consisting of a rectangular or substantially rectangular panel devoid of flaps, to form a corner pillar with the corresponding accordion element 22.
  • the fold line 21 is therefore, when the blank is flat, in the extension of the junction line 36 between the first flap 6 and the bottom 3.
  • the other pillar 22, associated with the same panel, is in turn disposed at the other end in an intermediate manner relative to the wall and serves as an external support point for the part 16 forming a cantilever or cantilever relative to the bottom shelf.
  • FIGS. 3 and 4 show trays 37 and a blank 38 which differ from the tray and blank described above, that in that the first are provided, in addition, fourth flaps 39, trapezoidal, respectively connected to the first flaps by seventh fold lines 40, and located on the opposite side to the second flap 14, relative to the first flap.
  • the fourth flaps are folded on the outer face 41 of the bottom 3 of the plate on which they are glued, to form centrers arranged to coincide with a side 42 at the top of the pillar 22 of the tray below.
  • the fourth flaps 39 further consolidate the corbelled portion 16 which is all the more solid.
  • FIGS. 5 and 6 show a variant of plate 43 and blank 44 to achieve it, very similar to the tray and blank of Figures 1 and 2 but having a configuration of pillars 22 symmetrical with respect to the transverse axis 35 of the plate, thus leaving two openings because h1 ⁇ H.
  • FIGS 7 and 8 are an embodiment of plate 45 and blank 46 comprising on the one hand third flaps 17 on each of the first flaps 5-6, and secondly fourth flaps 39 trapezoidal to form polarizers and / or reinforcements as described with reference to Figures 3 and 4 .
  • FIGS. 9 and 10 show a plate 47 provided with four walls 48, 49 of the same height, namely two identical first walls or flaps 48 and two identical second walls or flaps 49.
  • the first identical rectangular flaps 48 are provided with two first end flaps 50, symmetrical with respect to the longitudinal axis 12 of the plate.
  • Each first flap 50 is provided with a second flap 51 attached by a fold line 52 of the outer peripheral side opposite the side of the first flap arranged to come into coincidence with the junction line 34 with the second flaps 49, and a fifth flap hook 53, adapted to fold and be glued to the outer face 54 of the first flaps 48 corresponding.
  • FIGS 11 and 12 show a variant of Figures 9 and 10 , the trays 55 being here provided with four pillars 22 and four shutters 48 and 49, of the same height, with a fourth hook flap 53.
  • fifth flaps 56 in the form of isosceles trapezium, attached by fold lines 57 and adapted to be bonded to the outer face 58 of the bottom of the tray.
  • the angle ⁇ of the hook between its oblique periphery 59 and the end 60 of the first flap on which is fixed the second flap 51, and the angle y of the oblique wall of the triangle 61 formed by the pillar of triangular cross-section with the inner wall of the flap 49, are complementary to the shape of the trapezium of the fifth flap, so that there is embedding of this flap between the two elements formed by the fifth flap 53 hook once glued, and the top of the pillar 22.
  • the pillars 22 superimposed on each other in a controlled manner thanks to the centering elements take up the compressive forces while leaving a cantilever 16 for accessing and / or viewing the elements contained in the trays.
  • the pillars are formed by folding elements 22 accordion (after gluing the inner face of the third end tab 30).
  • the flaps 7 and 8 are straightened and the lateral ends of the first flap 6, are glued and plated on the outer face of the tongue 21, the latter being arranged with the rest of the pillar element, to be perpendicular to the flaps 8, 7 during forming.
  • the first flap 5 is itself formed by folding the flaps 14 of form arranged to fit well between the pillar on one side and the first wall of the other. It is then provided a collage of the latter on the inner face of the corresponding first flap, the third flap being itself folded and / or glued on the inner face of the corresponding flap 5, then the whole is folded and the ends devoid of the flaps 10, 11 stuck on the outer face of the second adjacent flap 7, 8 to thus constitute the trays which will then be stacked to form a palletizable system, multimodular of great strength as shown in FIG. figure 13 .
  • Figures 14A, 14B and 14C another embodiment of a plate 70 and / or its constituent elements, comprising a rectangular bottom 3 and first walls 71 and 72.
  • the first wall 71 is entirely perforated at its center and formed by two end portions 73 in the shape of an arc of a circle or a curve, (the remainder of the wall being thus completely hollowed out) and comprises the end flaps 74 connected to each other. at the end portions curved by the first fold lines 75.
  • the other first wall 72 is simply rectangular without flap.
  • the plate also comprises two identical second walls 76, 77, symmetrical with respect to the longitudinal axis 78 of the plate, the length l 1 of said panel being less than that of the bottom l 2 .
  • Each of the walls or panel 76, 77 comprises on one side a reinforcing element 79 formed by a rectangular flap connected to the panel by a double fold line 80 located at a distance l 2 - l 1 from the fold line of the bottom with the first flap 71.
  • a reinforcing element 81 of the type described with reference to the figure 2 namely a first tongue 24 connected to the panel by a fold line 21, a second tongue 25 connected to the first tongue by a fold line 28, for example here a double fold line, and a third tongue 30, the all of these three tabs for the formation of a corner pillar 83 of triangular section.
  • Ends 32 on the end flaps will allow centering in the recesses 33 as described above, notches being provided in the lower part of the flaps 79, to escape the recesses 33 opposite and allow embedding (as on the figure 2 ).
  • the figure 14C shows in section the reinforcement 84 obtained with the flap 79 folded at 180 ° and glued to the inner face of the flap 76.
  • the length p of the flap 74 is dimensioned, ie it is of sufficient length to allow it to stick face to face on the external face of the wall 76, for example over a distance greater than the width of the tongues 79.
  • FIGS. 15A to 15D are schematic views in intermediate reinforcement section 87, 88, 89, 90 with two tabs 91, 92 respectively folded at 180 ° and glued to one another and to the inner face of the flap 74, itself fixed by bonding on the outer face of the panel 76 ( figure 15A ) or not ( figure 15B ).
  • FIGs 15C and 15D show a first tongue 91 bent at 180 ° with respect to the panel 76, the second tongue 92 being sandwiched with respect to the internal face of the panel 76 and said first tongue, with the internal face of the flap 74 bonded to the wall 76 ( figure 15C ) or on the outer face of the first tongue 91 ( figure 15D ).
  • the line of junction between the two tongues is a double fold line to allow the reversal.
  • FIGS. 16A and 16F show six embodiments of intermediate pillars with three tabs for forming a pillar of various triangular section, accordion on the first five modes 91, 92, 93, 94, 95.
  • the tabs 96, 97, 98 are such that the first tongue 96 is folded towards the inside of the wall 76 at a more or less acute angle, the second tab being longer or shorter (relative to the length of the first one). tongue) to form an equilateral triangle ( figure 16A ), rectangle on the first tab ( figure 16B ) isosceles ( figure 16C ), rectangle on the second tab ( figure 16D ) or whatever ( figure 16E ).
  • the third tongue 98 is bonded to the inner face of the wall 76.
  • the sixth embodiment 99 is that of the figure 16F .
  • first tongue 96 is folded outwards, the third tongue 98 being stuck on the inner face of the flap 74.
  • the latter is of sufficient length to be glued on the outer face of the wall 76.
  • FIGS. 17A to 17C show the intermediate pillars 100, 101, 102 obtained with four tabs 103, 104, 105, 106.
  • the Figure 17A shows a pillar of square section, the last tab 106 being glued on the inner face of the panel 76.
  • the Figure 17B shows a first tongue 103 folded at 180 °, glued on the inner face of the panel 76, the two following tabs forming a triangle, the last tongue being here still glued on the inner face of the panel 76.
  • figure 17C shows an embodiment equivalent to that of the figure 16F but at four tabs, giving the pillar a configuration trapezoidal section.
  • FIGS. 18A to 18E show a device and a method of forming the plate 1 according to the embodiment of the invention more particularly described here.
  • Counterpressure pieces 112 above the third fold lines, at the blank, for example formed by parallelepipeds are also placed in contact with the blank, for example during the transfer.
  • the conformers 113 are erased (see arrow 114 - figure 18C ).
  • the blank is transferred with the reinforcing elements formed flat (step 115 - figure 18A ) by gluing the first and second flaps (not shown gluing means) to the final forming station 116 ( figure 18C ).
  • the plate is then formed around a mandrel, for example by swaging in a cavity 117 with mandrel elements 118 having shapes complementary to the plate and its preformed pillars flat, then the plate 1 thus formed is discharged at 119 ( figure 18C ).
  • the present invention is not limited to the embodiments more particularly described. On the contrary, it embraces all the variants and especially those where the pillars are formed of more than four tabs having a polygonal section, those where the third flaps form sidewalks, those where the tray further comprises lids designed in a known manner in itself, and attached to the tray by bonding points easily tearable laterally by simple spacing.

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  • Making Paper Articles (AREA)
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Claims (28)

  1. Schale (1, 37, 43, 45, 47, 55, 70) aus Pappbogenmaterial mit einem rechteckigen Boden (3) und einem umlaufenden Bund (4) aus Seitenwänden, und zwar zwei ersten einander gegenüberliegenden Seitenwänden (5, 6, 48, 71, 72) bzw. ersten Wänden, wobei mindestens eine der ersten Wände (5, 48, 71) beidseitig über erste Faltlinien (9) mit endseitigen Umklappteilen (10, 11, 50, 74) bzw. ersten Umklappteilen verbunden ist, welche selbst jeweils im oberen Bereich mit einem zweiten Umklappteil (14 ; 51) über eine zweite Faltlinie (15, 52) oder nicht verbunden sind, und zwei zweiten einander gegenüberliegenden Seitenwänden (7 , 8, 49, 76, 77) bzw. zweiten Wänden, wobei die zweiten Wände (7, 8, 49, 76, 77) jeweils ein rechteckiges mittiges Feld (20, 49) mit einer Länge l1, die geringer ist als die Länge l2 des Bodens, wobei das Feld (20, 49) an seinen jeweiligen Seitenenden über eine dritte Faltlinie (21, 80) mit einem eine Säule bildenden Verstärkungselement (22, 83, 84) verbunden ist, und mit einem zweiten Verstärkungselement (22, 83) umfassen,
    dadurch gekennzeichnet,
    dass das eine Säule bildende Verstärkungselement umgeklappt und auf das mittige Feld (20) und/oder auf das erste Umklappteil der ersten angrenzenden Wand geklebt ist, und zwar ein erstes vollkommen von der ersten angrenzenden Wand beabstandetes Verstärkungselement (84, 85, 86, 22, 91, 92, 93, 94, 95, 99, 25 100, 101, 102).
  2. Schale nach Anspruch 1,
    dadurch gekennzeichnet,
    dass das erste Verstärkungselement (84, 85, 86) durch eine vertikale Lasche (79, 87, 88) gebildet ist, die auf die Innen- oder Außenseite der zweiten entsprechenden Wand (76) geklebt ist.
  3. Schale nach Anspruch 1,
    dadurch gekennzeichnet,
    dass das erste Verstärkungselement (87, 88, 89, 90) durch zwei Laschen (91, 92) gebildet ist, die miteinander über vierte Faltlinien verbunden, um 180° umgeklappt und aufeinander geklebt sind.
  4. Schale nach Anspruch 1,
    dadurch gekennzeichnet,
    dass das erste Verstärkungselement (22, 91, 92, 93, 94, 95, 99) durch drei rechteckige vertikale Laschen (26, 27, 31, 96, 97, 98) gebildet ist, die miteinander über vierte Faltlinien (28) verbunden sind, wobei die zwei ersten Laschen die Säule mit dreieckigem Querschnitt bilden, und die dritte Lasche (30, 31) bzw. endseitige Lasche auf die Innenseite (23) der zweiten entsprechenden Wand oder auf die Innenseite des Umklappteils (74) der ersten angrenzenden Wand geklebt ist.
  5. Schale nach Anspruch 1,
    dadurch gekennzeichnet,
    dass das erste Verstärkungselement (100, 101, 102) durch vier rechteckige vertikale Laschen (103, 104, 105, 106) gebildet ist, die miteinander über vierte Faltlinien verbunden sind, wobei die zwei oder drei ersten Laschen die Säule mit dreieckigem, rechteckigem oder trapezförmigem Querschnitt bilden und die vierte endseitige Lasche auf die Innenseite der entsprechenden zweiten Wand oder auf das erste Umklappteil der ersten angrenzenden Wand geklebt ist.
  6. Schale nach einem beliebigen der vorhergehenden Ansprüche,
    dadurch gekennzeichnet,
    dass die endseitige Lasche ein Ende aufweist, das eine in Bezug auf die Höhe der zweiten Wand vorspringende Nase (32) bildet, wobei der Boden (3) der Schale komplementär ausgebildete rechteckige Ausnehmungen (33) aufweist, die rechtwinkelig zu den Nasen angeordnet sind, um die Nasen der unteren Schale einzubauen.
  7. Schale nach einem beliebigen der vorhergehenden Ansprüche,
    dadurch gekennzeichnet,
    dass das mittige Feld (20) der jeweiligen zweiten Wände (7, 8, 49) in Bezug auf die Mittelachse (35) der Schale, die senkrecht zu den zweiten Wänden ist, dezentral angeordnet ist.
  8. Schale nach Anspruch 7,
    dadurch gekennzeichnet,
    dass eine der seitlichen Enden jedes mittigen Feldes (20) einer zweiten Wand an ein und dieselbe erste Wand angrenzt, um einen Winkelpfosten (22') mit dem entsprechenden Verstärkungselement zu bilden, wobei das andere Ende des Feldes auf einer Zwischenhöhe der zweiten Wand zur Bildung eines Zwischenpfostens (22) mit dem anderer seiner Verstärkungselemente angeordnet ist.
  9. Schale nach einem beliebigen der Ansprüche 1 bis 6,
    dadurch gekennzeichnet,
    dass die Verstärkungselemente symmetrisch zur Feldmittelachse (35) ist, die senkrecht zu den zweiten Wänden ist, um Zwischenpfosten zu bilden.
  10. Schale nach einem beliebigen der vorhergehenden Ansprüche,
    dadurch gekennzeichnet,
    dass mindestens eine der ersten Wände (5, 6) im oberen Bereich (13) ein drittes Umklappteil (17) aufweist, das mit der ersten Wand über eine fünfte doppelte Faltlinie (18), wobei das dritte Umklappteil (17) zum Inneren der Schale hin auf die Innenseite der ersten entsprechenden Wand umgeklappt ist.
  11. Schale nach Anspruch 10,
    dadurch gekennzeichnet,
    dass die jeweiligen ersten Wände (5,6) ein drittes Umklappteil (17) aufweisen.
  12. Schale nach einem beliebigen der Ansprüche 10 und 11,
    dadurch gekennzeichnet,
    dass die erste Wand bzw. die ersten Wände (5, 6) mit dritten Umklappteilen (17) niedriger sind als die zweiten Wände, wobei die ersten endseitigen Umklappteile (10, 11) trapezförmig sind und mit den zweiten entsprechenden Umklappteilen über sechste doppelte Faltlinien (15) verbunden sind, die in Bezug auf die fünfte Faltlinie (18) schräg verlaufen.
  13. Schale nach einem beliebigen der vorhergehenden Ansprüche,
    dadurch gekennzeichnet,
    dass die ersten Umklappteile zusätzlich vierte Umklappteile (39) aufweisen, die jeweils mit den ersten Umklappteilen über siebte Faltlinien (40) verbunden sind und in Bezug auf das erste Umklappteil (10) entgegengesetzt zu dem zweiten Umklappteil (14) angeordnet sind.
  14. Schale nach Anspruch 13,
    dadurch gekennzeichnet,
    dass die vierten Umklappteile (39) trapezförmig sind, auf die Außenseite (41) des Schalenbodens (3) geklebt sind und angeordnet sind, um mindestens teilweise mit einer Seite der Säule (22) der unteren Schale übereinzustimmen.
  15. Zuschnitt (2, 38, 44, 46) zur Bildung einer Schale mit einem rechteckigen Boden (3), welcher über Verbindungslinien (34) mit vier rechteckigen Flügeln verbunden ist, die geeignet sind, die Schalenwände zu bilden, und zwar zwei ersten einander gegenüberliegenden Flügeln (4, 6, 48), wobei mindestens einer der ersten Flügel beidseitig über erste Faltlinien mit endseitigen Umklappteilen bzw. ersten Umklappteilen (10, 11, 50) verbunden ist, welche wiederum auf ihrem Umfang entgegengesetzt zur Seite, die sich in der Verlängerung der entsprechenden Verbindungslinie des ersten Flügels befindet, mit zwei zweiten Umklappteilen (14, 57) über zweite Faltlinien verbunden sind, und zwei zweiten aneinander angrenzenden gegenüberliegenden Seitenflügeln (7, 8, 4 9),
    dadurch gekennzeichnet,
    dass die zweiten Flügel jeweils ein rechteckiges mittiges Feld aufweisen, dessen Länge geringer ist als die Länge des Bodens, wobei das Feld an seinen jeweiligen Seitenenden über eine dritte Faltlinie mit einem Element verbunden ist, das geeignet ist, bei der Bildung der Schale eine Säule zu bilden.
  16. Zuschnitt nach Anspruch 15,
    dadurch gekennzeichnet,
    dass das zur Bildung einer Säule (22) geeignete Element durch zwei, drei oder vier rechteckige Laschen (24, 25, 30, 26, 27, 31) gebildet ist, welche miteinander über vierte Faltlinien verbunden sind, wobei die ersten Laschen angeordnet sind, um die Säule mit dreieckigem Querschnitt zu bilden, wobei die letzte endseitige Lasche geeignet ist, auf die Innenseite der zweiten entsprechenden Wand geklebt zu werden.
  17. Zuschnitt nach einem beliebigen der Ansprüche 15 und 16,
    dadurch gekennzeichnet,
    dass die letzte Lasche (30, 31) ein Ende aufweist, das eine in Bezug auf die Breite des zweiten Flügels vorspringende Nase bildet, und
    dass der Schalenboden komplementär ausgebildete Ausnehmungen aufweist, die so angeordnet sind, dass sie für das Einschieben der Nasen der darunter liegenden Schale rechtwinkelig zu den Nasen sind, wenn die Schale geformt ist.
  18. Zuschnitt nach einem beliebigen der Ansprüche 15 bis 17,
    dadurch gekennzeichnet,
    dass das mittige Feld (20) der jeweiligen zweiten Flügel in Bezug auf die Mittelachse (35) des senkrecht zu den zweiten Flügeln angeordneten Zuschnitts dezentral angeordnet ist.
  19. Zuschnitt nach Anspruch 18,
    dadurch gekennzeichnet,
    dass eines der Seitenenden des jeweiligen mittigen Felds des zweiten Flügels sich in der Verlängerung der Verbindungslinie (34) mit einem ersten Flügel befindet, um bei der Bildung der Schale mit dem entsprechenden Element einen Winkelpfosten (22) zu bilden, wobei das andere Ende des Feldes auf einer Zwischenebene des zweiten Flügels zur Bildung eines Zwischenpfostens (22) mit dem anderer seiner Verstärkungselemente angeordnet ist, wenn die Schale geformt ist.
  20. Zuschnitt nach einem beliebigen der Ansprüche 15 bis 19,
    dadurch gekennzeichnet,
    dass die Elemente (22) in Bezug auf die Mittelachse des senkrecht zu den zweiten Flügeln verlaufenden Zuschnitts symmetrisch sind, um Zwischenpfosten (22) zu bilden, wenn die Schale geformt ist.
  21. Zuschnitt nach einem beliebigen der Ansprüche 15 bis 20,
    dadurch gekennzeichnet,
    dass mindestens einer der ersten Flügel auf seinem Außenumfang ein drittes Umklappteil (17) aufweist, das mit dem ersten Flügel über eine fünfte doppelte Faltlinie verbunden ist, wobei das dritte Umklappteil angeordnet ist, um nach innen auf die Innenweite des ersten entsprechenden Flügels umgeklappt zu werden, wenn die Schale geformt ist.
  22. Zuschnitt nach Anspruch 21,
    dadurch gekennzeichnet,
    dass die jeweiligen ersten Flügel ein drittes Umklappteil (17) aufweisen.
  23. Zuschnitt nach einem beliebigen der Ansprüche 21 und 22,
    dadurch gekennzeichnet,
    dass der bzw. die ersten Flügel mit dritten Umklappteilen (17) eine geringere Breite aufweisen als die zweiten Flügel (7, 8), wobei die ersten endseitigen Umklappteile (10, 11) trapezförmig sind und mit den zweiten entsprechenden Umklappteilen über sechste doppelte Faltlinien (15) verbunden sind, die in Bezug auf die fünfte Faltlinie (18) schräg verlaufen.
  24. Zuschnitt nach Anspruch 15 bis 23,
    dadurch gekennzeichnet,
    dass die ersten Umklappteile zusätzlich vierte Umklappteile (39) aufweisen, die jeweils mit den ersten Umklappteilen über siebte Faltlinien (40) verbunden sind und entgegengesetzt zu dem zweiten Umklappteil in Bezug auf das erste Umklappteil angeordnet sind.
  25. Verfahren zur Bildung einer Schale ausgehend von einem Zuschnitt mit einem rechteckigen Boden, der über Verbindungslinien mit vier rechteckigen Flügeln verbunden ist, die geeignet sind, die Schalenwände zu bilden, und zwar zwei ersten einander gegenüberliegenden Flügeln, wobei mindestens einer der ersten Flügel beidseitig über erste Faltlinien mit endseitigen Umklappteilen bzw. ersten Umklappteilen verbunden ist, welche wiederum auf ihrem Umfang entgegengesetzt zur Seite, die sich in der Verlängerung der entsprechenden Verbindungslinie des ersten Flügels, befindet, mit zwei Umklappteilen über zweite Faltlinien verbunden sind, und zwei zweiten aneinander angrenzenden gegenüberliegenden Seitenflügeln,
    dadurch gekennzeichnet,
    dass bei zweiten Flügeln jeweils mit einem rechteckigen mittigen Feld mit geringerer Länge als die Bodenlänge und bei Verbindung des Felds an seinen jeweiligen Seitenenden über eine dritte Faltlinie mit einem Verstärkungselement mit Verbindungsfläche zum zweiten Seitenflügel:
    - der Zuschnitt von einem vertikalen Stapel flach liegender Zuschnitte entnommen wird,
    - der Zuschnitt zu einer ersten Station verbracht wird, um die Verstärkungselemente zu einem Körper zu richten, wobei die Verbindungsflächen der Verstärkungselemente während der Verbringung mit Kleber bestrichen werden,
    - Gegendruckstücke lotrecht zu den dritten Faltlinien über dem Zuschnitt positioniert werden,
    - die Verstärkungselemente gegen die Gegendruckstücke entgegengesetzt zu der Verbindungsfläche mit entsprechenden Formungsvorrichtungen gepresst werden, die komplementär zu den Verstärkungen ausgebildet sind, die zur Bildung von Säulen durch Faltung zu Körpern gerichtet werden,
    - die Gegendruckstücke und Formungsvorrichtungen eingefahren werden,
    - der Zuschnitt mit den zu einem Körper gerichteten Verstärkungselementen unter Bestreichen der ersten und zweiten Umklappteile mit Kleber zu einer Station zur endgültigen Formgebung verbracht wird,
    - die Schale an der Station zur endgültigen Formgebung dadurch geformt wird, dass eine Vertiefung angehoben wird, oder durch Setzung mit einem vertikalen Dorn in einer Vertiefung geformt wird, und die derart geformte Schale ausgeworfen wird.
  26. Verfahren nach Anspruch 25,
    dadurch gekennzeichnet,
    dass das zur Bildung einer Säule geeignete Verstärkungselement durch drei oder vier rechteckige Blätter gebildet ist, die über Verbindungslinien miteinander verbunden sind, wobei die zwei oder drei ersten Blätter angeordnet sind, um die Säule mit dreieckigem oder rechteckigem Querschnitt zu bilden, und das letzte endseitige Blatt geeignet ist, die endseitige Lasche auf die entsprechende Innenseite der zweiten Wand der geformten Schale zu kleben.
  27. Vorrichtung zur Bildung einer Schale ausgehend von einem Zuschnitt mit einem rechteckigen Boden, der über Verbindungslinien mit vier rechteckigen Flügeln verbunden ist, die geeignet sind, die Schalenwände zu bilden, und zwar zwei ersten einander gegenüberliegenden Flügeln, wobei mindestens einer der ersten Flügel beidseitig über erste Faltlinien mit endseitigen Umklappteilen bzw. ersten Umklappteilen verbunden ist, welche wiederum auf ihrem Umfang entgegengesetzt zur Seite, die sich in der Verlängerung der entsprechenden Verbindungslinie des ersten Flügels befindet, mit zwei Umklappteilen über zweite Faltlinien verbunden sind, und zwei zweiten aneinander angrenzenden gegenüberliegenden Seitenflügeln,
    dadurch gekennzeichnet,
    dass bei zweiten Flügeln jeweils mit einem rechteckigen mittigen Feld mit geringerer Länge als die Bodenlänge und bei Verbindung des Felds an seinen jeweiligen Seitenenden über eine dritte Faltlinie mit einem Verstärkungselement mit Verbindungsfläche zum zweiten Seitenflügel die Vorrichtung umfasst:
    - Mittel, um den Zuschnitt von einem vertikalen Stapel flach liegender Zuschnitte zu entnehmen,
    - Mittel, um den Zuschnitt zu einer ersten Station zu verbringen, um die Verstärkungselemente zu einem Körper zu richten,
    - Mittel, um die Verbindungsflächen der Verstärkungselemente während der Verbringung mit Kleber zu bestreichen,
    - Mittel, um Gegendruckstücke lotrecht zu den dritten Faltlinien über dem Zuschnitt zu positionieren,
    - Mittel, um die Verstärkungselemente gegen die Gegendruckstücke entgegengesetzt zu der Verbindungsfläche zu pressen, umfassend Formungsvorrichtungen, die komplementär zur Form der Verstärkungen ausgebildet sind, die zur Bildung von Säulen durch Faltung zu Körpern gerichtet werden,
    - Mittel zum Einfahren der Gegendruckstücke der Formungsvorrichtungen,
    - Mittel, um den Zuschnitt mit den zu einem Körper gerichteten Verstärkungselementen zu einer Station zur endgültigen Formgebung zu verbringen,
    - Mittel, um die ersten und zweiten Umklappteile mit Kleber zu bestreichen,
    - Mittel zur Formung der Schale an der Station zur endgültigen Formgebung mit einer vertikal verfahrbaren Vertiefung oder Mitteln zur Setzung mit einem vertikalen Dorn in einer Vertiefung, sowie Mittel zum Auswerfen der derart geformten Schale.
  28. Vorrichtung nach Anspruch 27,
    dadurch gekennzeichnet,
    dass das zur Bildung einer Säule geeignete Verstärkungselement durch drei oder vier rechteckige Blätter gebildet ist, die über Verbindungslinien miteinander verbunden sind, wobei die zwei oder drei ersten Blätter angeordnet sind, um die Säule mit dreieckigem oder rechteckigem Querschnitt zu bilden, und das letzte endseitige Blatt geeignet ist, die endseitige Lasche auf die entsprechende Innenseite der zweiten Wand der geformten Schale zu kleben.
EP14793224.8A 2013-09-27 2014-09-26 Schale aus wellpappe, zuschnitt, vorrichtung und verfahren zur herstellung solch einer schale Active EP3049336B1 (de)

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FR1359358A FR3011228B1 (fr) 2013-09-27 2013-09-27 Plateau en matiere en feuille de carton, flan, dispositif et procede pour la realisation d'un tel plateau.
PCT/FR2014/052424 WO2015044606A1 (fr) 2013-09-27 2014-09-26 Plateau en matiere en feuille de carton, flan, dispositif et procede pour la realisation d'un tel plateau

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PH12016500457A1 (en) 2016-05-16
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FR3011228B1 (fr) 2015-10-16
KR102236085B1 (ko) 2021-04-02

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