EP0547987A1 - Faltschachtel mit Ausgusstülle, insbesondere aus Karton - Google Patents

Faltschachtel mit Ausgusstülle, insbesondere aus Karton Download PDF

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Publication number
EP0547987A1
EP0547987A1 EP92440142A EP92440142A EP0547987A1 EP 0547987 A1 EP0547987 A1 EP 0547987A1 EP 92440142 A EP92440142 A EP 92440142A EP 92440142 A EP92440142 A EP 92440142A EP 0547987 A1 EP0547987 A1 EP 0547987A1
Authority
EP
European Patent Office
Prior art keywords
box
spout
line
oblique
box according
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.)
Ceased
Application number
EP92440142A
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English (en)
French (fr)
Inventor
Rolf Holtzmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0547987A1 publication Critical patent/EP0547987A1/de
Ceased legal-status Critical Current

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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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • B65D5/741—Spouts for containers having a tubular body
    • B65D5/745—Spouts formed by deforming or tearing parts of the upper wall, combined with a deformation of a part of the body of the container

Definitions

  • the present invention relates to a foldable spout box, in particular made of cardboard, for the packaging of granular, liquid or pasty products, comprising a front wall provided with the spout and connected to two side walls along two vertical edges, at least l 'one of said side walls having an upper flap folded down to form a top of the box, the spout comprising a base, formed by an upper part of the front wall, and an upper flap attached to said base by an intermediate fold line at the top of the front wall, said base of the spout being connected to the rest of the front wall by a hinge line, the two ends of which lie on said vertical edges, the base of the spout being provided with two oblique fold lines which extend upward from the ends of the hinge line, the spout having at least one closed position, where its upper flap is applied to the top of the box and closes an opening of the box, and at least one open position where the spout protrudes from the rest of the front wall and releases said opening.
  • cardboard boxes for the packaging of powdered, granular or liquid products, in particular food and cleaning products, has grown more and more in recent years because of the problems posed by production. and the elimination of plastic packaging.
  • cardboard has the advantage of providing relatively rigid and solid boxes, which do not overturn, do not collapse and can easily be stacked or palletized.
  • French Patent No. 1,426,707 describes a parallelepiped box according to the preamble of claim 1 attached, where the addition of an upper flap to the spout allows the opening to be closed better, the latter being covered when fold this flap over the top of the box.
  • the curved fold lines provided on the base of the spout, as well as a central fold line provided on the top of the box tend to keep the upper flap in a raised position and thus prevent the box remains tightly closed, unless it is fitted with special additional devices.
  • the shape of the roof that the top of the box takes prevents anything from being put in it once the box has been opened.
  • the present invention aims to improve a pouring spout box of the kind indicated in the preamble, so that its pouring spout, after having been opened a first time, can be easily returned to a closed position where it effectively closes the opening of the box and applies on top of the box without creating a protrusion exceeding the initial level thereof.
  • a particular aim consists in allowing an initial prismatic and in particular parallelepipedic configuration of the box, so that a pack of filled boxes has a minimum space requirement for transport and storage, then another configuration once the spout has been opened. and closed, so that this beak remains better closed.
  • a box of the kind indicated above characterized in that it comprises, respectively on each side of the pouring spout, a continuous broken fold line comprising the following successive sections: an oblique line in the upper flap of the spout, one of said oblique lines from the base of the spout, an oblique line in the side wall and an oblique line in the top of the box, and in that said oblique lines of the upper flap of the spout and the top of the box are arranged so as to be superimposed when the spout is in the closed position.
  • This box can have a first open configuration in which the two trihedrons are protruding and a second open configuration in which the two trihedrons are reentrant, the transition from the first configuration to the second being produced by an external pressure on each trihedron.
  • the box is symmetrical with respect to a vertical median plane perpendicular to said front wall. It can have a square or rectangular shape in plan. Its front wall may have a width equal to or less than the width of the side walls, or a width greater than the width of the side walls.
  • said oblique lines of the base of the spout are connected to each other, as well as to said oblique lines of the upper flap of the spout, at a common junction point which forms a point of the pouring spout in open position.
  • said oblique lines of the base of the spout are connected to each other by a median section of said intermediate fold line and are respectively connected to said oblique lines of the upper flap of the spout. pourer at two junction points which form two points of the spout. pourer in open position.
  • the upper flap of the pouring spout may have a fold line arranged in said median plane, which in particular allows it to have an inverted V-shaped transverse profile facilitating the guidance of the spilled product.
  • said oblique line of a side wall is connected to the corresponding oblique line of the top of the box at a junction point located at an upper angle of the side wall.
  • said oblique line of a side wall is connected to the corresponding oblique line of the top of the box at a junction point located at a distance from the upper corners of the side wall, so that the trihedron mentioned more top extends only over part of the length of the side wall.
  • Each of the two side walls may include an upper flap, these two flaps being superimposed at least in a central zone above the box, delimited by said oblique fold lines.
  • One of the upper flaps may be provided with a cutout forming a slot or a lug for retaining the spout in the closed position.
  • the upper flap of said side wall or of each side wall may include, in the area to which the pouring spout is applied in the closed position, a removable or foldable part delimited by a pre-cut line and making it possible to enlarge the opening of the box.
  • the top of the box may have, opposite the pouring spout, a concave edge which delimits the opening of the box and which is covered by the pouring spout in the closed position.
  • the upper flap of the spout has at least one sealing tab delimited by a pre-cut line and arranged to be fixed on the top of the box to hold said flap there before opening the box.
  • Each of the boxes shown in the drawings is made essentially from a single blank cut from a sheet of rigid material or semi-rigid foldable such as cardboard or similar materials, in particular composite sheets which may include sheets or films of synthetic material, metal, paper, etc.
  • the boxes are intended to receive liquid or pasty products, it goes without saying that they can be provided with airtight lids which the consumer will have to cut or tear when opening the box for the first time.
  • Such lids are not provided in the examples below, which rather relate to boxes intended for powdered or granular products.
  • the blank shown is intended to form a rectangular box having two side walls 1 and 2, a front front wall 3 and a rear front wall 4.
  • the edges vertical of the box between each side wall 1 and 2 and the front wall 3 are formed by fold lines 7 and 8.
  • the edge 9 between the walls 2 and 4 is formed by a fold line 10.
  • the edge 12 between the walls 1 and 4 is formed by a fold line 13 between the wall 1 and a rim tab 11 which will be fixed to the back of the wall 4 by an appropriate means such as gluing.
  • a rectangular lower flap 14 is attached to the lower edge 15 of the wall 1, along a fold line 16.
  • a rectangular lower flap 17 is attached to the lower edge 18 of the wall 2 along a fold line 20.
  • a lower flap 22 is attached to the lower edge 21 of the wall 3 along a fold line 23.
  • a lower flap 25 is attached to the lower edge 24 of the wall 4 along 'a fold line 26.
  • the flaps 14, 17, 22, 25 are intended to be folded at right angles and fixed to each other to form the bottom of the box. To facilitate this operation, roundings 28 are formed between them.
  • the side wall 1 is connected to a trapezoidal upper flap 29 along its upper edge 30, defined by a fold line 31.
  • This flap 29 itself comprises a fold line 32 which extends obliquely by delimiting two triangular zones 33 and 34.
  • the side wall 2 is connected to a trapezoidal upper flap 35 along its upper edge 36, defined by a fold line 37.
  • This flap 35 itself comprises a fold line 38 which extends obliquely delimiting two triangular zones 39 and 40.
  • the front wall 3 is extended by a trapezoidal upper flap 41 above its upper edge 42, defined by a fold line 43.
  • this flap 41 has two triangular zones 44, 45 arranged symmetrically on the sides and d another of a central fold line 46.
  • Each zone 44, 45 is connected by a fold line 47, 48 to an external triangular zone 49, 52.
  • the flap 41 thus arranged will constitute the upper part of a pouring spout 53
  • the rear front wall 4 is provided with a rectangular upper flap 54 above its upper edge 55 defined by a fold line 56.
  • This flap is intended to be applied under the flaps 29 and 35 and it has oblique lines fold lines 57 and 58, which define triangular areas 59 and 60, and which will correspond to fold lines 38 and 32.
  • the flaps 29, 35 and 54 once assembled, will form a horizontal rectangular wall constituting the top 61 of the box.
  • rounding 62 is provided at the junctions between the flaps 29, 41, 35 and 54.
  • the flap 41 will be folded over this top and fixed in a removable manner, for example by means of a bonding capable of 'to be ripped off.
  • a triangular upper zone 63 is delimited by an oblique fold line 64 which, at the place where it reaches the vertical edge 5, 6 delimiting the front wall 3, continues with another line oblique fold 65 on the front wall 3.
  • the two pairs of oblique lines 64, 65 constitute a broken line in the shape of a W whose central point 66 is the point of convergence of the fold lines 43, 46, 47 and 48 of the flap upper 41. This point 66 will constitute a tip of the pouring spout 53, the base of which will be constituted by an upper part 68 of the front wall 3.
  • This part 68 is separated from the rest of the wall 3 by a horizontal fold line 67 which joins the lines 65 on the edges of the wall and which serves as the articulation of the spout.
  • the level of this articulation can be freely chosen to give the pouring spout a shape which is particularly suitable for the product to be poured.
  • FIG. 2 there are shown two alternative embodiments of blanks similar to that of Figure 1, as regards the body of the box, but slightly different as regards the top and the spout. Elements identical to those in FIG. 1 have the same reference numbers.
  • the side wall 1 is provided with an upper flap 69 of rectangular shape, starting from the fold line 31.
  • This flap 69 has two oblique fold lines 70, 71 arranged symmetrically with respect to a median plane of the box and extending to a pre-cut line 72 in an arc.
  • the side wall 2 is provided with a rectangular upper flap 73 having two oblique fold lines 74, 75 which extend to a pre-cut line 76 substantially semi-circular.
  • the front wall 3 is provided with a substantially semi-circular upper flap 77 articulated on the fold line 43.
  • This flap has a central fold line 80 and two oblique fold lines 81, 82 which all meet at point 66 and which delimit zones 83, 84, 85, 86 in order to constitute the upper part of a pouring spout 87, the base of this the latter being the same as in the case of FIG. 1.
  • the upper flap 77 of the pouring spout 87 will initially be applied to the zones delimited by the precut lines 72 and 76. The user can tear off said areas for opening the box, which will provide a housing in which the flap 77 can then be folded down to close the box after use.
  • the pouring spout 53 has the same configuration as in FIG. 1.
  • the side wall 1 is provided with an upper flap 88 of trapezoidal shape which has two zones 89, 90 articulated by means of a fold line 91 parallel to the line 31.
  • the area 89 of rectangular shape, comprises two oblique fold lines 92, 93 which extend to a transverse fold line 94. Beyond the line 94, this zone 89 comprises two precut lines 95, 96 which extend obliquely to the two angles adjacent to the pouring spout 53.
  • the zone 90 of the flap 88 is intended to be applied against the internal face of the side wall 2. It is subdivided into a triangular area 97 and a strip-shaped area 98 by a fold line 99 corresponding to the fold line 64 of the wall 2.
  • the side wall 2 is provided with a rectangular upper flap 100 which is attached to it along a pre-cut line 101 also serving as a fold line.
  • the flap 100 further comprises an S-shaped cutout 103, delimiting a tongue 102 attached to the wall 2 along the line 101 and a notch 103 'in this wall 2.
  • the tongue 102 is intended to be engaged in a slot 90 ′ cut along the fold line 91.
  • This flap 100 constitutes, once the box has been assembled, an overlap of the top of the box by folding down around the line 101 in order to hide the area formed by the precut lines 95 and 96, which constitutes a flap 104 placed opposite the pouring spout 53 and articulated around the line 94.
  • Figures 4 to 8 show a box made from the cardboard blank illustrated in Figure 1.
  • Figure 4 shows the box in its initial configuration of parallelepiped shape, for example for storage and sale.
  • the upper flap 41 of the spout is applied to the top 61 of the box, which is then horizontal.
  • FIG. 5 After raising this flap 41 as shown in FIG. 5, it is possible to change the configuration of the box by pressing on the top 61 so as to lower its triangular central panel 105 to form a triangular groove 106 inclined towards the spout 53, as shown in FIG. 6.
  • This movement inclines the upper triangular zones 63 of the two side walls by creating two lateral vertices 107 on either side of the articulation of the spout, which deforms on its fold lines and becomes prominent outward. This gives rise to an opening between the pouring spout 53 and the top 61 of the box and will make it possible to pour part of the contents of the box.
  • the same configuration can be obtained by applying pressure to the two lateral zones 63.
  • FIGS. 9 to 12 One can however give the same box another configuration, illustrated by FIGS. 9 to 12, by raising the triangular central zone 105 to form a crest 109 instead of the groove 106, by pressing the two lateral surfaces 63.
  • the opening obtained is larger than in the previous case and thus allows to easily pour, as shown in Figure 10, a product 110 having fairly large grains, for example cereal flakes.
  • the box is closed by folding the upper flap41 of the pouring spout 53 onto the pointed end of the crest 109, against which the spout is applied exactly thanks to the appropriate geometry of its fold lines. This position is illustrated by FIG.
  • each lateral surface 63 is part of a reentrant trihedron whose vertex 111 is applied against the vertex 111 of the opposite trihedron if the height of the surface 63 is equal to the half the width of the box.
  • the opening is then perfectly closed.
  • Another advantage of this configuration is that the triangular zone 105 of the top of the box takes up a horizontal position, so that it is possible to stack these boxes in this configuration.
  • FIG. 12 illustrates a variant in which the upper surface 105 is provided with a curved slot delimiting a retaining tab 112 under which it is possible to engage the edge of the pouring spout 53 to hold it.
  • the embodiment illustrated by the blank of Figure 13 is similar to that described with reference to Figures 1 and 4 to 12 with the exception of the differences following.
  • the wall 4 is interposed between the tongue 11 and the wall 1, to which it is attached by a fold line 114.
  • the shape of the pouring spout 53 is essentially unchanged, but its free end is provided with a tongue of sealing 115 delimited by a precut line 116 and provided with an orifice 117 which creates a free edge 118 at the end of the pouring spout.
  • This tab can be glued to the top of the box to ensure its inviolability by keeping the spout 53 closed before the first opening of the box by a consumer.
  • the latter can tear the line 116 by inserting a nail or an instrument under the flap 41 through the orifice 117. After opening, the closed pouring spout can be retained by inserting its edge 118 under a lug 119 cut from the flap upper 120 of wall 1.
  • This flap 120 and the upper flap 121 of the wall 2 have a shape different from the corresponding flaps of FIG. 1.
  • their front edge 122, 123 has a concave outline so as to provide a larger opening between the top of the box and the open spout, this opening being nevertheless completely covered by the upper flap 41 of the spout in the closed position.
  • the joining joints 126, 127 between the oblique fold lines 32, 38 of the upper flaps 120, 121 and the oblique fold lines 64 of the side walls 1, 2 are not located at the upper corners of these walls, but at a certain distance from them.
  • FIGS. 14 to 18 illustrate another variant which differs from the embodiment according to FIGS. 1 and 4 to 12 by the fact that the front wall 133 provided with the pouring spout constitutes one of the large faces of a rectangular box in plan, that is to say that it is wider than the adjacent side walls 131 and 132.
  • the top of the box is formed above all by the upper flap 135 of the rear front wall 134, provided with two oblique fold lines 136 and 137 which delimit a central zone 138 and two triangular lateral zones 139 under which will be fixed the upper flaps 140 and 141 of the side walls 131 and 132.
  • the flap 135 has a concave free edge 142 which delimits the opening of the box behind the pouring spout 143.
  • the pouring spout 143 further comprises a central tongue 147, intended to be engaged in a slot 148 above the box, and two sealing tabs 149 attached to the upper flap 144 by precut lines 150 and intended to be glued to the central zone 138 of shutter 135.
  • Figures 15 to 18 illustrate different configurations that can have the box made by means of the blank of Figure 14.
  • Figure 15 shows the initial parallelepiped configuration of the closed box, where the vertices 151 and 152 of the two trihedra delimited respectively by the lines folding obliques 137, 145, 65, 47 on one side and 136, 146, 65, 48 on the other side are protruding. These two vertices are then the upper corners of the front end face 133 of the box.
  • This first open configuration allows the contents to be poured out of the box.
  • FIG. 19 illustrates yet another variant of the box described with reference to FIGS. 1 and 4 to 12, where the essential difference lies in the arrangement of the oblique fold lines of the pouring spout 53.
  • these lines are distributed symmetrically in two groups to create a beak with two points.
  • Line 47 is connected to one of the lines 65 at the base of the spout at a point 160 on the intermediate line 43, and line 48 is connected to the other line 65 at a point 161 on the line 43.
  • the layout oblique fold lines 32 and 38 of the top of the box is adapted to the layout of lines 47 and 48 intended to be applied to them when the spout is closed. As in the example in FIG.
  • a sealing tongue 115 provided with a precut line 116 is provided at the end. of the pouring spout to be glued to the flap 29 which further includes a cutout forming a lug 119 for retaining the spout once closed.
  • the presence of the two points spaced from each other on the pouring spout facilitates the flow of the product at the bottom of the spout, which is more flared than in the variant with a single point.
  • the material is less strongly deformed on the tips and will therefore be more resistant to use.
  • this variant is applicable to all the other embodiments of the invention, in particular those described above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
EP92440142A 1991-12-19 1992-12-18 Faltschachtel mit Ausgusstülle, insbesondere aus Karton Ceased EP0547987A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9116084A FR2685289B1 (fr) 1991-12-19 1991-12-19 Contenant realise en matiere souple et resistante destine a contenir des produits liquides, pateux ou pulverulents.
FR9116084 1991-12-19

Publications (1)

Publication Number Publication Date
EP0547987A1 true EP0547987A1 (de) 1993-06-23

Family

ID=9420450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92440142A Ceased EP0547987A1 (de) 1991-12-19 1992-12-18 Faltschachtel mit Ausgusstülle, insbesondere aus Karton

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EP (1) EP0547987A1 (de)
FR (1) FR2685289B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709295A1 (de) * 1994-10-28 1996-05-01 Elopak Systems Ag Kartonbehälter für Flüssigkeiten mit integriertem Ausgiesser
FR2776622A1 (fr) * 1998-03-25 1999-10-01 Folding Carton Partners Boite a bec verseur escamotable deployable integre a la structure et dispose en position superieure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097647A (en) * 1936-09-21 1937-11-02 Audrey K Scott Closure for paper containers
FR1426707A (fr) * 1965-03-16 1966-01-28 Récipient notamment pour produits en vrac
GB1118696A (en) * 1966-09-20 1968-07-03 Christensson O W An improved container for liquids
US3998380A (en) * 1975-12-16 1976-12-21 Kanelos John Kanelous Carton having an openable and closeable pour opening
FR2535685A1 (fr) * 1982-11-06 1984-05-11 Graphia Gundlach Gmbh Hans Boite pliante s'ouvrant par pression laterale
DE3402096A1 (de) * 1984-01-21 1985-08-01 Unilever N.V., Rotterdam Faltschachtel mit ausgiessoeffnung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2097647A (en) * 1936-09-21 1937-11-02 Audrey K Scott Closure for paper containers
FR1426707A (fr) * 1965-03-16 1966-01-28 Récipient notamment pour produits en vrac
GB1118696A (en) * 1966-09-20 1968-07-03 Christensson O W An improved container for liquids
US3998380A (en) * 1975-12-16 1976-12-21 Kanelos John Kanelous Carton having an openable and closeable pour opening
FR2535685A1 (fr) * 1982-11-06 1984-05-11 Graphia Gundlach Gmbh Hans Boite pliante s'ouvrant par pression laterale
DE3402096A1 (de) * 1984-01-21 1985-08-01 Unilever N.V., Rotterdam Faltschachtel mit ausgiessoeffnung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0709295A1 (de) * 1994-10-28 1996-05-01 Elopak Systems Ag Kartonbehälter für Flüssigkeiten mit integriertem Ausgiesser
FR2776622A1 (fr) * 1998-03-25 1999-10-01 Folding Carton Partners Boite a bec verseur escamotable deployable integre a la structure et dispose en position superieure

Also Published As

Publication number Publication date
FR2685289A1 (fr) 1993-06-25
FR2685289B1 (fr) 1995-02-24

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