EP2074034B1 - Procédé permettant de créer des contenants à plusieurs parois - Google Patents

Procédé permettant de créer des contenants à plusieurs parois Download PDF

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Publication number
EP2074034B1
EP2074034B1 EP07837625.8A EP07837625A EP2074034B1 EP 2074034 B1 EP2074034 B1 EP 2074034B1 EP 07837625 A EP07837625 A EP 07837625A EP 2074034 B1 EP2074034 B1 EP 2074034B1
Authority
EP
European Patent Office
Prior art keywords
container
inner panel
flap
flaps
panel
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.)
Not-in-force
Application number
EP07837625.8A
Other languages
German (de)
English (en)
Other versions
EP2074034A2 (fr
EP2074034A4 (fr
Inventor
Giles Greenfield
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.)
Greenfield Bin LLC
Original Assignee
Greenfield Bin LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Greenfield Bin LLC filed Critical Greenfield Bin LLC
Priority to PL07837625T priority Critical patent/PL2074034T3/pl
Publication of EP2074034A2 publication Critical patent/EP2074034A2/fr
Publication of EP2074034A4 publication Critical patent/EP2074034A4/fr
Application granted granted Critical
Publication of EP2074034B1 publication Critical patent/EP2074034B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0281—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body presenting double or multiple walls
    • 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/001—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs made from laminated webs, e.g. including laminating the 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
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0027—Making boxes from blanks consisting of side wall panels integral with a bottom panel and additional side wall panels
    • 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
    • B31B2120/50—Construction of rigid or semi-rigid containers covered or externally 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
    • B31B50/32—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths
    • B31B50/322—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths the mandrels extending radially from the periphery of a drum

Definitions

  • bins Large format containers, generally referred to as "bins", are used to hold a variety of materials, usually for transport but also for retail display. Because more than 95% of all products in the US are shipped in corrugated boxes, and because of the cost advantages associated with this form of packaging, most bins are constructed from corrugated paperboard. But while about 90% of all corrugated paperboard is single wall, the relatively large dimensions of bins in conjunction with the nature of the goods being placed in the bins require the additional strength provided by multiple wall construction.
  • an improved bin and related manufacturing process would use easy-to-create/source single wall corrugated material, would use minimal amounts of adhesive during the converting process, would require minimal human effort before, during and after the converting process, would generate minimal waste, and would require minimal handling, among other requirements. While such needs exist, heretofore, such needs have not been met.
  • FR-A- 1 289 322 upon which the preamble of claim 1 is based discloses a method for creating a multi-walled container.
  • Method according to the invention as defined in independent claim 1 is directed to creating multi-walled containers with minimal intentional waste.
  • Container 20 comprises "blank” 22, which is preferably constructed from a double lined, single wall corrugated material such as 7,9 mm ( 5 / 16 ”)L flute corrugated board shown in Fig. 2 .
  • container 20 has dimensions of about 1041 mm H x 1219 W x 1016 mm D (42" H x 48" W x 40" D), while blank 22 has maximum dimensions of about 9017 mmL x 2108 mm W (355" L x 83" W)
  • container 20 has triple sidewalls an single overlapping bottom and top flaps.
  • container blank 22 is a unitary piece of corrugated material, such as of the type shown in Fig. 2 , with the direction of corrugation running laterally. From a single sheet, selected scores, cuts and perforations are carried out, such as by rotary die cutter(s) or other means appreciated by the skilled practitioner.
  • Each container blank 22 then comprises inner panel 40, opposing middle flaps 50, outer panel 60, and a plurality of end flaps 70.
  • Container blank 22 preferably further comprises inner tab 30 and optional outer glue tab 80.
  • the observed sides of all panels and flaps are as indicated, with the reverse side being numbered similarly, but within the one hundred series.
  • the reverse side of inner panel 40 for example, is labeled as inner panel 140.
  • Inner panel 40 comprises inner panel portions 42, 44, 46 and 48, separated by scores 34a, 34b, and 34c.
  • Inner tab 30 extends longitudinally from inner panel portion 42, and is separated there from by score 32.
  • each "flap" 50 may comprise physically discrete flap portions (as are end flaps 70, discussed below), visually discrete flap portions as illustrated herein, or may be wholly contiguous (no scoring). Because it is only necessary to form a wall or layer within container 20, there is no intrinsic need to form physically discrete flap portions as long as those portions of blank 22 that fold to meet the opposing portions of blank 22 can result in the creation of such wall or layer.
  • each middle flap portion are characterized by chevron edges 53a/b, 55a/b, 57a/b and 59a/b, again as shown best in Fig. 4 .
  • chevron edges 53a/b, 55a/b, 57a/b and 59a/b will beneficially delocalize burst and column compression stresses that may occur after assembly and use of container 20, as will be described in later detail below.
  • curvilinear edges or rectilinear edges such as repeating square or saw-tooth geometries are considered desirable.
  • it is not necessary to the operation or constitution of the embodiments of the invention to incorporate such non-linear edges, and a linear edge will provide benefits as herein described.
  • outer panel 60 comprises outer panel portions 62, 64, 66 and 68, separated by scores 38a, 38b, and 38c; outer panel portion 62 is separated from inner panel portion 48 by score 36.
  • Outer glue tab 80 extends longitudinally from inner panel portion 42, and is separated there from by score 82.
  • outer panel portions 62, 64, 66 and 68 Extending laterally outwardly from outer panel portions 62, 64, 66 and 68, and defined in part by point-to-point scores 63a/b, 65a/b, 67a/b and 69a/b, and by slits 73a/b, 75a/b, 77a/b and 79a/b (as well as edges 71 a/b), are respective end flaps 72a/b, 74a/b, 76a/b and 78a/b, as shown.
  • the lateral width (or as assembled, the height) of outer panel 60 is greater than that of inner panel 40. This increased dimension addresses the consequence of the increased external dimensions as container 20 is formed (discussed and shown below). Similarly, the longitudinal length (or as assembled, the width and depth) of outer panel 60 is greater than that of inner panel 40. Those persons skilled in the art will appreciate that the increases are related to the number of walls used to form the container, as well as the thickness of the material comprising the walls.
  • Fig. 5 illustrates two features of the subject embodiment, namely, stress relief feature 90, which is characterized as a hole of approximately (0.375") 10 mm diameter, and flap offsets.
  • stress relief feature 90 which is characterized as a hole of approximately (0.375") 10 mm diameter
  • flap offsets It is well known in the art that flaps on containers frequently tear at the exposed edge interface between the flap and a sidewall panel. This is due in part to the effect of the three edge corner present on the underside of the flap: the three edge corner causes a crushing of the flap at its edge, thereby compromising the structural integrity of the flap and related structure. This consequence, in conjunction with the inherent weakness of the material at this position, often invites mechanical failure during repeated use or operation of the flap.
  • the three edge corner will not directly impinge upon the underside of the flap.
  • additional stress relief features may be employed with respect to interior or middle walls, as the case may be.
  • FIG. 5 Also shown in Fig. 5 is an offset with respect to the slits separating adjacent flaps 70 and the point-to-point scores separating adjacent outer panel 60.
  • flaps 70 have differing dimensions when compared to their companion panels. Because flaps 70 form end walls as opposed to sidewalls, there is no need for such symmetry.
  • flaps 70 form end walls as opposed to sidewalls, there is no need for such symmetry.
  • flaps 70 will be positioned orthogonal to the sidewalls comprising inner panel 40, middle flaps 50 and outer panel 60, the dimensionally larger flaps will extend over the entire exposed edges of outer panels 60 when container 20 is in the assembled configuration.
  • the consequence of this arrangement is that all exposed vertical sidewall edges can be "covered” by the end flaps, and that vertical compression loads can be evenly distributed to the end flaps. See also Fig. 11 .
  • Figs. 6-12 the assemblage of container 20 is shown in detail.
  • Completed blank 22, as described in Fig. 4 emerges from a converting machine and enters a folding and gluing section of the process.
  • co-joined middle flap portions 52a, 54a, 56a and 58a, and 52b, 54b, 56b and 58b are down folded 180°, along slit-scores 43a, 45a, 47a and 49a, and 43b, 45b, 47b and 49b to join in surface-to-surface area contact with respective inner panel portions 42, 44, 46 and 48 as shown in Fig. 6 .
  • chevron edges 53a/b, 55a/b, 57a/b and 59a/b meet about mid way of inner panel portions 42, 44, 46 and 48.
  • the 'serrated' and intermeshing nature of chevron edges 53a/b, 55a/b, 57a/b and 59a/b distribute the joined line over a greater area than a pure straight cut and now appear on the underside of the flat box blank.
  • inner tab 30 is up-folded 90° at score 32
  • inner panel portion 42 (with middle flap pair 52a/b) is up-folded 90° at score 34a
  • inner panel portion 44 (with middle flap pair 54a/b) is up-folded 90° at score 34b
  • inner panel portion 46 (with middle flap pair 56a/b) is up-folded 90° at score 34c
  • inner panel portion 48 (with middle flap pair 58a/b) is up-folded 90° at score 36, as is shown in Fig. 8 .
  • All 90° folds are 'up' and therefore away from the surface joint of chevron edges 53a/b, 55a/b, 57a/b and 59a/b. The resulting structure is best shown in Fig. 9 .
  • Adhesive is applied to the intended mating surfaces of outer panel portions 62, 64, 66 and 68, and the up-folding process continues with outer panel portion 62 folding 90° at score 38a, outer panel portion 64 folding 90° at score 38b, outer panel portion 66 folding 90° at score 38c, and outer panel portion 68 folding 90° at score 82, with outer glue tab 80 completing the folding and gluing process.
  • This process is best shown in Fig. 10 .
  • the up-folding process may be accomplished by use of a forming mandrel or other aid.
  • the collective effect of the multiple-90 degree folding and gluing process takes the original flat, rigid corrugated board blank, comprising inner tab 30, inner panel 40, middle flaps 50, which form an intermediate panel, and outer panel 60, as well as optional outer tab 80, all as shown in Fig.4 , and forms a multi-walled, four sided, finished container/bin, with single wall flaps top and bottom, that has no 'manufacturers - joint', as best shown in Fig. 11 . Because the relaxed state (manufacturer's resting position) is the use state of the container, there is a natural tendency of the container to return to its resting position if collapsed.
  • Greenfield containers comprised all features of the above-described embodiment while the prior art containers (HP) were constructed from 2 panel layers of double wall corrugated material or 3 panel layers of double wall corrugated material where the panel layers are nested but not adhered to each other.
  • containers constructed according to the invention have superior crush resistance (a major factor in container evaluation) over constructions of the prior for comparable weights, or significantly less material usage for comparable crush resistance values.
  • methods for making containers according to the invention further increase cost savings by streamlining manufacturing and handling actions.
  • construction of multi-walled containers has focused on general manipulation of the blank to form container precursors and containers, as exemplified in Figs. 4 , and 6-11 .
  • the following disclosure is directed to a systems approach for mass producing containers and practicing related methods.
  • the below disclosure describes a process and its variants for mass manufacturing such containers.
  • the skilled artisan will appreciate that the disclosed modes and approaches are not exclusive to the creation of containers according to the invention, but represent both general and specific implementations intended to identify presently preferred means for accomplishing those objectives.
  • Basic material used for constructing container 20 is derived from a corrugator (not shown) that produces a continuous web of double face, single wall corrugated material.
  • the web may be immediately consumed, or may be stored as cut blanks until needed.
  • blanks 22 having a total length of about 9 meters (30. feet) are fashioned from the web by cutting, for example. Once appropriately cut blanks 22 are obtained, the blanks are subject to various slotting, slitting, scoring, and cutting processes as is necessary to form a desired container 20 as previously described.
  • various slotting, slitting, scoring, and cutting processes are carried out by a pair of opposing machines, which are supplied with blanks using conventional conveyor means.
  • These machines preferably RAPIDBOX units from Rapidex (a division of the Bobst Group of Switzerland) of Angers, France, create the desired blanks through appropriate programming, which is determined based upon the size and geometry of the intended container.
  • the RAPIDBOX machine can accommodate blanks up to 2.8 x 10m (110" x 400") which makes it particularly suited for large format container manufacturing such as described herein.
  • these processes may be carried out by more dedicated machinery, such as a plurality of various slotting, scoring, slitting and rotary die cutting machines, serially established in the production line. Regardless of how the blanks are processed, the resulting blanks are delivered to folding and gluing stations as will now be described.
  • blanks 22 are deposited on receiving platform 210 as best shown in Fig. 13 where after they are conveyed to vacuum assisted overhead conveyors 220 to folding and gluing station 230.
  • This mode of conveyance is desirable over more conventional forms for two reasons. First, it retains full exposure of the underside surface of inner panel 40 (designated inner panel surface 140) and middle flaps 50 (designated middle flaps surface 150), which becomes important during the "up winding" process described below. Second, it accurately retains the specific position of blanks 22 relative to the other apparatus, which is important when precision application of adhesive is necessary.
  • adhesive deposited on any blank 22 from adhesive application means may be selectively deposited or may be applied to the entirety of inner panel surface140 and/or middle flaps surface 150 exposed to a first adhesive means.
  • Selective deposition of adhesive involves the intelligent location of adhesive lines or zones within the bounds of these panels and/or flaps. While in the illustrated embodiment the adhesive is applied via spray nozzles 262 and 264 ejecting a PVA or hot melt adhesive, any adhesive application means capable of depositing an intended amount and type of adhesive on any blank 22 is sufficient.
  • the illustrated application means and adhesive composition has been chosen in an effort to optimize the production speed of the illustrated process. At roughly 200 feet per minute, the applied adhesive has sufficient time to "set" prior to folding and mating of middle flaps 50 as will now be described.
  • middle flaps 50 Once adhesive has been applied to inner panel surface 140 and/or middle flaps surface 150, actuated folding arms cause middle flaps 50 to involute, and middle flaps surface 150 to contact inner panel surface 140 as best shown in Fig. 14 .
  • a pinch roller combination may be used to compress middle flaps 50 and inner panel 40 together in conjunction with overhead conveyor 160, otherwise the wrapping process described below will generate compressive contact between these two surfaces.
  • converted blank 22 has been transformed into precursor 122.
  • adhesive must also be applied to the exposed surface of outer panel 60 (and/or the exposed surface of middle flaps 50, which are now on the "underside” of precursor 122).
  • second adhesive application means 262 is provided, and selectively applies adhesive to the exposed surface of outer panel 60.
  • rotator 276 may already be rotating or may begin rotation after clamp element 271 engagement with tab 30. While a mechanical engagement means is shown, alternative means such as vacuum engagement are contemplated and will be appreciated by the skilled practitioner.
  • rotator 276 preferably includes a plurality of folding bars equal in number to the number of container vertical corners, which in this case is four (4). Folding bars in general localize bending stresses during container formation and provide a convenient, low cost and low mass solution to container formation.
  • folding bars 272a-d may be hydraulically or mechanically movable on rotator 276, with the only requirement being that the assembly can accept precursor 122, assist in forming container 20 and release container 20 such that another precursor 122 can be engaged therewith.
  • winder 270 is constructed to move in the vertical direction (see hydraulic ram 277 linked to pulley system 278 in Fig. 15 ).
  • an external compression element can be applied during winding of the precursor on the mandrel, with the result being compression between the container sidewall layers.
  • winder 270 includes bottom support table 275, which has an upper surface approximately at the level of blank 22. By maintaining the last wound panel/tab in compressive contact with support table 275, container 20 will not prematurely “leave” winder 270. In this position, there is sufficient tension precursor 122 that bonding can occur between the surfaces of panels 140 and 150 as well as the surfaces of panels 50 and 60. However, the set time of such adhesive is usually longer than the time it takes to wind precursor 122.
  • a "curing" station is needed.
  • a carrousel arrangement is used, as is best shown in Fig. 13 wherein further transportation of formed container 20 is sufficiently delayed to permit sufficient time for the adhesive to cure, thereby ensuring that container 20 will not "unwind".
  • one, some or all of the folding bars 172a-d may be retracted in such a manner so as to reduce the friction between them and container 20, although such action is not necessary for the removal of container 20.
  • an exterior engaging sliding element or other means for removing container 20 from mandrel 170 may then be employed.
  • an arm having a plurality of extensible elements is inserted into container 20, the elements extended to compressively contact the inner walls of container 20 (or engage therewith via vacuum assist), and then the arm removed to "pull" container 20 from folding bars 172a-d.
  • Support table 285 is used for similar reasons as that for support table 275.
  • certain method embodiments of the invention provide for the back folding of outside flaps 70 onto the side panels such as shown in Fig. 15 . If such a final configuration is desired, these embodiments of the invention fold the end flaps onto the side panels at the same time that the intermediate flaps are folded. Thus, when precursor 122 is subjected to up winding, outside flaps 70 are not in the extended position, but are placed in compressive contact with the panels 60. In addition to removing the labor step of separately folding these end panels once container 20 has been formed, shorter mandrels and container removing apparatus can be used as the overall height of the container is shorted by the depth of the end flaps. Additionally, in such embodiments, it may be considered desirable to eliminate tab 80 so that the contacting surface is sufficiently planar to avoid binding and/or crushing.

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Claims (13)

  1. Procédé permettant de créer un précurseur de contenant (22, 122) à parois multiples à partir d'une découpe unique de matériau qui définit une direction longitudinale d'une première extrémité vers une seconde extrémité, le procédé comprenant :
    la définition d'un panneau intérieur (40) formant des parois latérales intérieures du contenant lorsque ce dernier est assemblé, le panneau intérieur comprenant une pluralité de parties de panneau intérieur (42, 44, 46, 48), chaque partie de panneau intérieur étant contigüe avec n'importe quelle partie de panneau intérieur adjacente et chaque partie de panneau intérieur comprenant une paroi latérale intérieure du contenant lorsque ce dernier est assemblé ;
    la définition d'au moins une paire de rabats centraux opposés (50) s'étendant hors du panneau intérieur (40) vers un bord distal (53a/b, 55a/b, 57a/b, 59a/b) et dans lequel chaque rabat central (50) comprend une pluralité de parties de rabat (52a/b, 54a/b, 56a/b, 58a/b), chaque partie de rabat étant contigüe avec une partie de rabat adjacente et chaque paire opposée de parties de rabat comprenant une paroi latérale centrale du contenant lorsque ce dernier est assemblé ;
    la définition d'un panneau extérieur (60) s'étendant hors du panneau intérieur (40) et formant les parois latérales extérieures du contenant lorsque ce dernier est assemblé, le panneau extérieur comprenant une pluralité de parties de panneau extérieur (62, 64, 66, 68), chaque partie de panneau extérieur étant contigüe avec n'importe quelle partie de panneau extérieur adjacente et chaque partie de panneau extérieur comprenant une paroi latérale extérieure du contenant lorsque ce dernier est assemblé ; et l'involution d'au moins une paire de rabats centraux opposés (50) pour amener leurs bords distaux (53a/b, 55a/b, 57a/b, 59a/b) respectifs à proximité les uns des autres et les fixer au panneau intérieur (40), formant ainsi les parois latérales intermédiaires lorsque la découpe est assemblée pour former le contenant ;
    caractérisé en ce que la somme de la longueur latérale de la paire de rabats centraux à partir de leur intersection (43a/b, 45a/b, 47a/b, 49a/b) avec le panneau intérieur (40) sur le bord distal est inférieure ou égale à la longueur latérale du panneau intérieur à partir de l'intersection d'un premier rabat central opposé (53a, 55a, 57a, 59a) sur l'intersection d'un second rabat central opposé (53b, 55b, 57b, 59b).
  2. Procédé selon la revendication 1, comprenant en outre l'établissement d'une languette de colle (80) au niveau de la première extrémité de la découpe et d'une languette de colle (80) au niveau de la seconde extrémité de la découpe dans lequel la première languette de colle (80) est fixée au panneau intérieur (40) lorsque le contenant est assemblé et la seconde languette de colle (80) est fixée au panneau extérieur (60) lorsque le contenant est assemblé.
  3. Procédé selon la revendication 1, comprenant en outre la formation de bords distaux non linéaires des rabats centraux (50).
  4. Procédé selon la revendication 3, dans lequel les bords distaux des rabats centraux (50) ont une forme parmi une forme rectilinéaire, curvilinéaire répétée ou une combinaison rectilinéaire et curvilinéaire.
  5. Procédé selon la revendication 1, dans lequel les bords distaux des rabats centraux (50) sont complémentaires de telle sorte que lors de l'involution, le bord distal d'un rabat central (50) bute sensiblement contre le bord distal du rabat central opposé (50).
  6. Procédé selon la revendication 1, comprenant en outre l'établissement d'une incision (34a, 34b, 34c) entre les parties de rabat central (50).
  7. Procédé selon la revendication 1, comprenant en outre l'établissement d'une incision (34a, 34b, 34c) entre les parties de panneau intérieur (40).
  8. Procédé selon la revendication 1, dans lequel le matériau comprend un matériau ondulé à double chemise.
  9. Procédé selon la revendication 1, comprenant la formation de la dimension latérale de n'importe quelle partie de panneau intérieur (40) de façon à ce qu'elle soit inférieure à la dimension latérale de n'importe quelle partie de panneau extérieur(60).
  10. Procédé selon la revendication 1, comprenant en outre la formation d'au moins une paire de rabats d'extrémité (70) opposés s'étendant hors d'au moins certaines parties de panneau extérieur (60), dans lequel chaque rabat d'extrémité (70) est séparé de n'importe quel rabat d'extrémité (70) adjacent par une rainure (73, 75, 77, 79), une fente ou un interstice.
  11. Procédé selon la revendication 10, dans lequel les paires de rabats d'extrémité (70) opposés s'étendent en côté hors de chaque partie de panneau extérieur.
  12. Procédé selon la revendication 10, dans lequel la longueur longitudinale de chaque rabat d'extrémité (70) est supérieure ou inférieure à la longueur longitudinale d'une partie de panneau extérieur (60) correspondante hors de laquelle il s'étend.
  13. Procédé selon la revendication 1, dans lequel une partie de panneau intérieur (40) a une longueur longitudinale supérieure à celle de n'importe quelle autre partie de panneau intérieur (40).
EP07837625.8A 2006-08-31 2007-08-31 Procédé permettant de créer des contenants à plusieurs parois Not-in-force EP2074034B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07837625T PL2074034T3 (pl) 2006-08-31 2007-08-31 Sposób wytwarzania pojemników wielościennych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/514,430 US20080054060A1 (en) 2006-08-31 2006-08-31 Methods for creating multi-walled containers and articles produced there from
PCT/US2007/019202 WO2008027552A2 (fr) 2006-08-31 2007-08-31 Procédés permettant de créer des contenants à plusieurs parois et articles réalisés à partir de ceux-ci

Publications (3)

Publication Number Publication Date
EP2074034A2 EP2074034A2 (fr) 2009-07-01
EP2074034A4 EP2074034A4 (fr) 2010-11-03
EP2074034B1 true EP2074034B1 (fr) 2014-07-09

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EP07837625.8A Not-in-force EP2074034B1 (fr) 2006-08-31 2007-08-31 Procédé permettant de créer des contenants à plusieurs parois

Country Status (13)

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US (1) US20080054060A1 (fr)
EP (1) EP2074034B1 (fr)
JP (2) JP2010502478A (fr)
CN (1) CN101610952B (fr)
AU (1) AU2007290417B2 (fr)
CA (1) CA2662173C (fr)
DK (1) DK2074034T3 (fr)
ES (1) ES2507556T3 (fr)
HK (1) HK1138547A1 (fr)
NZ (1) NZ575348A (fr)
PL (1) PL2074034T3 (fr)
RU (1) RU2443610C2 (fr)
WO (1) WO2008027552A2 (fr)

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Also Published As

Publication number Publication date
WO2008027552A2 (fr) 2008-03-06
AU2007290417A1 (en) 2008-03-06
HK1138547A1 (en) 2010-08-27
RU2443610C2 (ru) 2012-02-27
RU2009111004A (ru) 2010-10-10
US20080054060A1 (en) 2008-03-06
NZ575348A (en) 2012-07-27
JP2014054847A (ja) 2014-03-27
WO2008027552A3 (fr) 2008-07-10
CN101610952B (zh) 2012-06-27
ES2507556T3 (es) 2014-10-15
EP2074034A2 (fr) 2009-07-01
CA2662173A1 (fr) 2008-03-06
CA2662173C (fr) 2015-06-16
WO2008027552A9 (fr) 2008-04-24
PL2074034T3 (pl) 2015-02-27
JP5788458B2 (ja) 2015-09-30
AU2007290417B2 (en) 2014-05-22
EP2074034A4 (fr) 2010-11-03
JP2010502478A (ja) 2010-01-28
CN101610952A (zh) 2009-12-23
DK2074034T3 (da) 2014-10-13

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