EP3578473B1 - Foldable blank and folding box for storing bulk goods - Google Patents

Foldable blank and folding box for storing bulk goods Download PDF

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Publication number
EP3578473B1
EP3578473B1 EP19178375.2A EP19178375A EP3578473B1 EP 3578473 B1 EP3578473 B1 EP 3578473B1 EP 19178375 A EP19178375 A EP 19178375A EP 3578473 B1 EP3578473 B1 EP 3578473B1
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EP
European Patent Office
Prior art keywords
wall
foldable blank
dispenser
chute
box
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.)
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Application number
EP19178375.2A
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German (de)
French (fr)
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EP3578473A1 (en
Inventor
Alexander LATYSCHEV
Steffen Theiss
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.)
Coburger Kartonagenfabrik & Co KG GmbH
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Coburger Kartonagenfabrik & Co KG GmbH
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Publication of EP3578473A1 publication Critical patent/EP3578473A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/38Drawer-and-shell type containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/4204Inspection openings or windows
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D5/00Rigid 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
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/72Contents-dispensing means
    • B65D5/74Spouts
    • B65D5/741Spouts for containers having a tubular body
    • B65D5/742Spouts formed by deforming or tearing the closure flaps or severed or incised parts of the closure flaps

Definitions

  • the present invention relates to a folding blank, in particular a one-piece, flat folding blank made of corrugated cardboard, cardboard or similar cellulose-based or natural fiber-based packaging materials, as well as a folding box that can be folded from a folding blank, which can be used, for example, as the inner box of a cardboard box for the packaging of bulk goods such as screws, nails or similar small items of hardware and small building items.
  • packaging with a chute which can be erected from a one-piece punched blank.
  • Such packaging is exemplified in EP 0 947 431 B1 , DE 89 09 310 U1 , DE 86 00 769 U1 and DE 10 2015 109 650 A1 explained.
  • two-part packagings with a chute are known in the prior art, which have an inner part and an outer part that can be mechanically interlocked with the inner part in a suitable manner. Often the movable section of the inner part to form a chute is mechanically stabilized by means of guide tabs or inserts of the outer part. Examples of such two-part packaging with a chute are shown in DE 197 01 860 A1 , DE 11 2009 001 801 T5 and EP 0 076 487 B1 disclosed.
  • the front wall of the folding box forming the bulk material slide surface of the chute is mostly single-walled and is also insufficiently secured from the inside against contact pressure from the packed bulk material.
  • accelerations can act on the box, which cause the bulk goods to hit the the front wall forming the bulk material slide surface of the chute is pressed. Due to the comparatively high mass density of the bulk material and its partly sharp-edged shape, repeated pressing processes can lead to the front wall of the chute being damaged or opening unintentionally.
  • Packaging materials other than cellulose-based or natural fiber-based packaging materials such as foamed or expanded polystyrene, cannot be transported and stored in a space-saving manner. Added to this are the poor environmental compatibility, the low sustainability of the resources used for their production and the cumbersome disposal by the consumer.
  • An essential idea of the invention is to use a folding blank, for example made of cardboard or corrugated cardboard, which can be folded into an inner box for packing bulk goods such as screws, nails or similar small items of hardware.
  • the folding blank has four Outer walls that are hinged to one another via side edges. On the adjacent end faces of three of the outer walls, each chute walls are arranged, which can be connected to a swiveling chute mechanism when folded.
  • the chute mechanism comprises a front wall of the chute, which serves as a chute slide surface, and two side walls of the chute with arcuate upper edges which laterally delimit the chute and which can be unfolded along a pivoting direction of movement defined by the arcuate upper edges out of the interior of the inner box defined by the outer walls of the box.
  • a wall element is attached as a chute wall reinforcement.
  • the wall element is folded downwards from the outer wall in the direction of the chute mechanism and (viewed from the interior of the inner box) folded in front of the front wall of the chute as protection against pressure or contact loads from bulk goods packed in the inner box.
  • the folding blank therefore offers high mechanical stability in the area of the swiveling chute with respect to a thrust or pressure load exerted on the front wall of the chute from the inside by the packed bulk material. This applies in particular to point loads from sharp-edged or pointed bulk goods such as nails, screws or similar small items of hardware.
  • the folding blank according to the invention offers the considerable advantage that, on the one hand, it can be formed in one piece and, on the other hand, adhesive connections are not absolutely necessary in order to keep the folding blank folded into an inner box in shape.
  • the chute wall reinforcement may be advantageous to implement detachably so that an end user can selectively remove the reinforcement without affecting the functionality of the chute mechanism.
  • the advantage of mechanical stabilization, which can be achieved by reinforcing the chute wall, then arises mainly during the transport and storage of the packaged containers to and in retail. What is essential to the invention, however, is the provision of a finger recess as specified in the characterizing part of claim 1.
  • the folding blanks shown below are each in one piece, that is, they are made from a coherent piece of blank material by cutting outer edges and forming recesses or punchings produced in the interior of the cutting material.
  • the cutting material can, for example, be corrugated cardboard of different types of corrugation (A, B, C, D, E, F, G, N corrugation or combinations thereof), cardboard or similar cellulose-based or natural fiber-based materials such as paper composites with or include without plastic coating.
  • Crease lines in the sense of the present invention are all pre-stamped intended fold lines or crease lines in the blank, along which a crease is provided in the cut material for the later three-dimensional production of a transport box.
  • Cutouts in the sense of the present invention are cut, punched out or otherwise introduced into the blank material, which are completely surrounded by blank material in the folding blank plane. Such cutouts can be formed by punching out the blank material and have punching ends tapering to a point or rounded at the start and end points.
  • Fig. 1 shows a schematic representation of an unfolded folding blank Z1 in a plan view of the folding blank plane.
  • the illustrated folding blank Z1 is generally flat.
  • the outer contour of the entire folding blank Z1 comprises cut edges from which the folding blank Z1 is cut from a larger layer of blank material - the inner edges shown are generally (except for the separating edges TR for the chute wall reinforcement), respectively, folding lines or creasing lines along which a later folding of the folding blank Z1 is provided.
  • the folding blank Z1 can be used to produce an inner box of packaging for bulk goods. However, it can also be possible to produce an independent box for packing bulk goods from the folding blank Z1.
  • the folding blank Z1 generally comprises a top wall O1, a first side wall R1, a second side wall L1 and a bottom wall U1.
  • the top wall O1, the bottom wall U1 and the two side walls R1 and L1 are connected to one another via their side edges in such a way that a rectangular box is created when the wall elements are erected at right angles over the side edges.
  • the top wall O1 can have an adhesive flap K1 on the free side edge, which can be glued to the inside or outside of the opposite second side wall L1, so that the cuboid box is stabilized.
  • a viewing window recess F1 can also be provided in the top wall O1, for example as a cutout in the material of the folding blank Z1.
  • the viewing window recess F1 can optionally be backed with a transparent plastic film after the folding blank Z1 has been erected to form an inner box of a transport carton, in order to provide a consumer with a view of the bulk goods packed in the transport carton.
  • Carrying tabs can optionally also be glued to the bottom wall U1, which after the folding blank Z1 has been erected, can protrude outward for a manual intervention by a user.
  • the bottom wall U1 and the two side walls R1 and L1 each have bottom flaps B11, B12, B13 and B14, which are suitably cut and provided with crease or cutting line combinations, so that the bottom flaps B11, B12, B13 and B14 can be used to form a rear bottom closure of the cuboid box in a known manner.
  • a chute front wall SU is hinged to the front edge SK of the bottom wall U1.
  • Chute side walls SR and SL are hinged to the side edges of the front wall SU of the chute and are freed from the adjacent side walls R1 and L1 by cutting edges ST.
  • the chute side walls SR, SL have at the outer edge SC1 bzs opposite the cutting edges ST.
  • SC2 each have an arcuate course.
  • the chute front wall SU and the chute side walls SR, SL together form the chute mechanism.
  • the chute side walls SR, SL are folded upwards at right angles with respect to the chute front wall SU and are guided along the side walls R1 and L1 inside the cuboid box.
  • the front wall of the chute SU itself forms the lid-side closure of the cuboid box and acts as a chute slide, over which bulk goods can slide out of the inside of the cuboid box when the chute is open.
  • the chute side walls SL can optionally have a locking element SV protruding from the curve on the ends of the arcuate outer edges SC1, SC2 facing the first and second side walls R1, L1.
  • This locking element SV serves as a swivel stop within the cuboid box, so that the chute mechanism can only be tipped out of the interior of the cuboid box up to the position of the locking element SV.
  • a plug-in tab SF can also be formed, with which the front wall of the chute SU can be frictionally locked on the inside of the top wall O1.
  • a wall element P is articulated.
  • This wall element functions as a chute wall reinforcement P which, when folded down, closes the cuboid box on the lid side together with the chute front wall SU.
  • the material thickness of the chute front wall SU is virtually doubled, so that the lid-side closure of the cuboid box is mechanically reinforced.
  • the front edge TR of the top wall O1, to which the chute wall reinforcement P is hinged can be designed as a predetermined separating edge, as indicated by the dashed lines in FIG Fig. 1 indicated.
  • the intended separation edge can be formed by regular or irregular stampings or perforations in the material of the folding blank Z1.
  • it is provided to form a finger recess G1.
  • This finger recess G1 extends as a coherent cutout in the material of the folding blank Z1 in the middle area of the front edge TR of the top wall O1 over part of the chute wall reinforcement P and part of the top wall O1.
  • a user of the transport carton with the folding blank Z1 erected to form an inner box can easily reach into the material of the folding blank Z1 and - if the front edge TR is designed as a target separating edge - tear off the chute wall reinforcement P along the intended separating edge.
  • the bulk material reinforcement P is no longer in the way of the bulk material during a removal step.
  • the chute wall reinforcement P does not form a functional part of the chute mechanism, so that its functionality is not impaired even after the chute wall reinforcement P is irreversibly removed or torn off.
  • the side edges of the chute wall reinforcement P can each have a taper PD, for example a semicircular recess, in the area of the front edge TR of the top wall O1.
  • the taper PD on the side edge opposite the chute side wall SR can advantageously be used to create space for the formation of the locking element SV.
  • the folding blank Z1 can be made in one piece as a whole.
  • Fig. 2 shows a schematic representation of an unfolded folding blank Z2 in a plan view of the folding blank plane.
  • the illustrated folding blank Z2 is generally flat.
  • the outer contour of the entire folding blank Z2 includes cut edges from which the folding blank Z2 is cut from a larger layer of blank material - the inner edges shown are generally crease lines or crease lines, along which the folding blank Z2 is intended to be folded later.
  • the folding blank Z2 is used to produce an outer box into which an inner box of packaging for bulk goods can be inserted.
  • the outer box which can be erected from the folding blank Z2, can in particular serve to accommodate an inner box that is made from the folding blank Z1 of the Fig. 1 can be straightened up.
  • the folding blank Z2 generally comprises a top wall O2, a first side wall R2, a second side wall L2 and a bottom wall U2.
  • the top wall O2, the bottom wall U2 and the two side walls R2 and L2 are connected to one another via their side edges in such a way that a rectangular box is created when the wall elements are erected at right angles over the side edges.
  • the top wall O2 can have an adhesive flap K2 on the free side edge, which can be glued to the inside or outside of the opposite, second side wall L2, so that the cuboid box is stabilized.
  • a viewing window recess F2 can also be provided in the top wall O2, for example as a cutout in the material of the folding blank Z2. The viewing window recess F2 can, if necessary, after the folding blank Z2 has been erected to form an outer box of a transport carton with a transparent plastic film be deposited in order to allow a consumer view of the bulk goods packed in the transport box.
  • Carrying tabs can optionally also be glued to the bottom wall U2, which after the folding blank Z2 has been erected, can protrude outward for a manual intervention by a user. If carrying tabs are already glued to the bottom wall U1 of the folding blank Z1, slot-shaped recesses can alternatively be made in the bottom wall U2 of the folding blank Z2, through which the carrying tabs of the bottom wall U1 can be pushed. As a result, in addition to the carrying function for a user, the carrying straps also serve to lock the inner box from the folding blank Z1 within the outer box from the folding blank Z2, since the carrying lugs protruding through the recesses in the bottom wall U2 prevent or at least make it more difficult for the inner box to slip in relation to the outer box.
  • the bottom wall U2 and the two side walls R2 and L2 each have bottom flaps B21, B22, B23 and B24, which are suitably cut and provided with crease or cutting line combinations, so that the bottom flaps B21, B22, B23 and B24 can be used to form a rear bottom closure of the cuboid box in a known manner.
  • a semicircular recess G2 can be formed on the front end edge of the top wall O2, which corresponds to the finger recess G1 of the folding blank Z1.
  • the boxes to be folded from the illustrated and described folding blanks Z1 and Z2 can serve as an inner part or an outer part of a transport carton.
  • the folding blank Z1 is erected to form an inner box, while the folding blank Z1 is erected to form an outer box.
  • the dimensions of the inner box or the folding blank Z1 are selected so that they are smaller to such an extent than the selected dimensions of the outer box or the folding blank Z2, which on the one hand allows the outer box to be pushed over the inner box, but on the other hand not significantly Distance between the inner walls of the outer box and the outer walls of the inner box consists.
  • the transport box thus consists of the inner box over which an outer box is slipped. Because the outer box is open in the area of the front wall of the inner box, the chute integrated in the inner box can be folded out of the transport box forwards.
  • the components forming the chute of the inner box are designed to be movable and can be pivoted forward out of the volume forming the interior of the outer box. As a result, bulk material can get out of the interior of the inner box via the chute opening.
  • the chute of the inner box can be swiveled back into the outer box after bulk material has been removed and closes the entire transport box again, so that the bulk material remaining in the inner box is secured against unintentional escape from the transport box.
  • the outer box can have guide tabs on the side walls. These guide tabs are used to slide the side walls of the chute of the inner box.
  • the folding blanks Z1 and Z2 enable the production of folding boxes which are easy to manufacture since, apart from some adhesive, if necessary, no additional tools or aids are necessary for an adhesive connection of the side wall flaps with the adjacent side walls. Furthermore, there is no need to adapt different blank parts to one another, since the folding blanks Z1 and Z2 are already in one-piece or one-piece form.
  • the folding blanks Z1 and Z2 offer the possibility of producing a mechanically stable transport carton that is suitable for protecting bulk goods packed in it, such as screws, nails or similar small items of hardware and small construction items.
  • the folding blanks Z1 and Z2 enable extremely efficient and sustainable production, since very little waste material and therefore very little waste material is produced in the production of the folding blanks Z1 and Z2. This is of great advantage, in particular, when the transport cartons made from the folding blanks Z1 or Z2 are used as packaging means for bulk goods.
  • the Z1 folding blank made of corrugated cardboard or cardboard offers advantages, as the integrated chute in the inner box is well protected against damage or unintentional opening by pressing the bulk goods from the inside.

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Description

TECHNISCHES GEBIETTECHNICAL AREA

Die vorliegende Erfindung bezieht sich auf einen Faltzuschnitt, insbesondere einen einstückigen, flachliegenden Faltzuschnitt aus Wellpappe, Karton oder ähnlichen zellstoffbasierten oder naturfaserbasierten Packstoffen, sowie einer aus einem Faltzuschnitt faltbaren Faltschachtel, welche beispielsweise als Innenschachtel eines Transportkarton für die Verpackung von Schüttgut wie etwa Schrauben, Nägeln oder ähnlichen Kleineisenwaren und kleinteiligen Bauartikeln.The present invention relates to a folding blank, in particular a one-piece, flat folding blank made of corrugated cardboard, cardboard or similar cellulose-based or natural fiber-based packaging materials, as well as a folding box that can be folded from a folding blank, which can be used, for example, as the inner box of a cardboard box for the packaging of bulk goods such as screws, nails or similar small items of hardware and small building items.

TECHNISCHER HINTERGRUND DER ERFINDUNGTECHNICAL BACKGROUND OF THE INVENTION

Kleineisenwaren wie etwa Schrauben oder Nägel werden im Fachhandel häufig in Verkaufsverpackungen oder Transportverpackungen angeboten, die dem Endverbraucher einen funktionellen Mehrwert bei der Teilentnahme des Packgutes bieten. Bei Faltkartons bietet sich hierzu das Vorsehen einer Schütte an, die es dem Endverbraucher ermöglicht, einzelne Kleineisenwaren aus dem Packmittel dosiert zu entnehmen, ohne dabei die mechanische Integrität des Faltkartons wesentlich zu beeinträchtigen. Insbesondere eine Weiterverwendung des Faltkartons über mehrere Teilentnahmeschritte von einzelnen Kleineisenwaren hinweg kann durch einen Faltkarton mit Schütte in vorteilhafter Art und Weise ermöglicht werden.Small items of hardware such as screws or nails are often offered in retail packaging or transport packaging, which offer the end user added functional value when the packaged goods are partially removed. In the case of folding cartons, it is advisable to provide a chute which enables the end user to remove individual small items of metal hardware from the packaging in a metered manner without significantly impairing the mechanical integrity of the folding carton. In particular, further use of the folding box over several partial removal steps of individual small items of hardware can be made possible in an advantageous manner by a folding box with a chute.

Aus dem Stand der Technik sind einerseits Verpackungen mit Schütte bekannt, die aus einem einteiligen Stanzzuschnitt aufgerichtet werden können. Derartige Verpackungen werden beispielhaft in EP 0 947 431 B1 , DE 89 09 310 U1 , DE 86 00 769 U1 und DE 10 2015 109 650 A1 erläutert.From the prior art, on the one hand, packaging with a chute is known which can be erected from a one-piece punched blank. Such packaging is exemplified in EP 0 947 431 B1 , DE 89 09 310 U1 , DE 86 00 769 U1 and DE 10 2015 109 650 A1 explained.

Andererseits sind im Stand der Technik zweiteilige Verpackungen mit Schütte bekannt, die einen Innenteil und einen geeignet mit dem Innenteil in mechanische Verriegelung bringbaren Außenteil aufweisen. Häufig ist dabei der zur Ausbildung einer Schütte bewegliche Abschnitt des Innenteils über Führungslaschen oder Einschübe des Außenteils mechanisch stabilisiert. Beispiele für derartige zweiteilige Verpackungen mit Schütte werden in DE 197 01 860 A1 , DE 11 2009 001 801 T5 und EP 0 076 487 B1 offenbart.On the other hand, two-part packagings with a chute are known in the prior art, which have an inner part and an outer part that can be mechanically interlocked with the inner part in a suitable manner. Often the movable section of the inner part to form a chute is mechanically stabilized by means of guide tabs or inserts of the outer part. Examples of such two-part packaging with a chute are shown in DE 197 01 860 A1 , DE 11 2009 001 801 T5 and EP 0 076 487 B1 disclosed.

All diesen Ansätzen aus dem Stand der Technik ist jedoch gemein, dass die die Schüttgutrutschfläche der Schütte bildende Vorderwand der Faltschachtel meist einwandig ausgebildet und zudem gegenüber einem Anpressdruck durch das verpackte Schüttgut von innen unzureichend gesichert ist. Gerade bei Kleineisenwaren wie Schrauben oder Nägeln kann es beim Transport der Schachteln zum Einzelhandel oder auch beim Transport durch einen Endverbraucher vom Einzelhandelsgeschäft zum Verbrauchsort oder von Verbrauchsort zu Verbrauchsort dazu kommen, dass Beschleunigungen auf die Schachtel wirken, die dazu führen, dass das Schüttgut gegen die die Schüttgutrutschfläche der Schütte bildende Vorderwand gepresst wird. Bedingt durch die vergleichsweise hohe Massendichte des Schüttguts sowie dessen teilweise scharfkantige Form können wiederholte Anpressvorgänge dazu führen, dass die Vorderwand der Schütte beschädigt wird oder sich ungewollt öffnet.What all these approaches from the prior art have in common, however, is that the front wall of the folding box forming the bulk material slide surface of the chute is mostly single-walled and is also insufficiently secured from the inside against contact pressure from the packed bulk material. Especially in the case of small items of hardware such as screws or nails, when the boxes are transported to the retail trade or also when transported by an end user from the retail store to the place of consumption or from place of use to place of consumption, accelerations can act on the box, which cause the bulk goods to hit the the front wall forming the bulk material slide surface of the chute is pressed. Due to the comparatively high mass density of the bulk material and its partly sharp-edged shape, repeated pressing processes can lead to the front wall of the chute being damaged or opening unintentionally.

Bekannte Verpackungen mit Schütte aus dem Stand der Technik eignen sich zwar prinzipiell gut als Packmittel für Schüttgut, weisen aber häufig nicht die notwendige mechanische Stabilität auf, insbesondere nicht gegenüber einem durch das Schüttgut von innen auf die Schütte ausgeübten Anpressdruck. Mit US 4 066 205 A wird eine Faltschachtel-Verpackung mit Schütte vorgestellt, deren Zuschnitt zur Adressierung dieser Problemstellung eine angelenkte Verstärkung für die Schütte gemäss Oberbegriff von Patentanspruch 1 vorsieht.Known packaging with a chute from the prior art are in principle well suited as a packaging means for bulk goods, but often do not have the necessary mechanical stability, in particular not with respect to a contact pressure exerted on the chute from the inside by the bulk goods. With U.S. 4,066,205 A a folding box packaging with a chute is presented, the cut of which provides a hinged reinforcement for the chute according to the preamble of claim 1 to address this problem.

Andere Verpackungsmaterialien als zellstoffbasierte oder naturfaserbasierte Packstoffe, wie etwa geschäumtes oder expandiertes Polystyrol, lassen sich nicht platzsparend transportieren und lagern. Hinzu kommen nachteilig die schlechte Umweltverträglichkeit, die geringe Nachhaltigkeit der zu deren Herstellung verwendeten Ressourcen sowie die umständliche Entsorgung beim Verbraucher.Packaging materials other than cellulose-based or natural fiber-based packaging materials, such as foamed or expanded polystyrene, cannot be transported and stored in a space-saving manner. Added to this are the poor environmental compatibility, the low sustainability of the resources used for their production and the cumbersome disposal by the consumer.

Es besteht so weiterhin ein Bedarf an Möglichkeiten für die Herstellung von Faltschachteln, die einen effizienten Herstellungsprozess aus einem einstückigen Faltzuschnitt ermöglichen. Weiterhin besteht ein Bedarf an Transportkartons mit einer hohen mechanischen Transportstabilität.There is thus still a need for possibilities for the production of folding boxes which enable an efficient production process from a one-piece folding blank. There is also a need for cardboard boxes with a high level of mechanical transport stability.

ZUSAMMENFASSUNG DER ERFINDUNGSUMMARY OF THE INVENTION

Eine wesentliche Idee der Erfindung ist es, einen Faltzuschnitt beispielsweise aus Karton oder Wellpappe zu verwenden, der zu einer Innenschachtel für die Verpackung von Schüttgut wie etwa Schrauben, Nägeln oder ähnlichen Kleineisenwaren gefaltet werden kann. Der Faltzuschnitt weist dazu vier Außenwände auf, die über Seitenkanten aneinander angelenkt sind. An den zusammenliegenden Stirnseiten dreier der Außenwände sind jeweils Schüttenwände angeordnet, die bei einem Falten zu einem ausschwenkbaren Schüttenmechanismus verbunden werden kann. Dabei umfasst der Schüttenmechanismus eine Schüttenvorderwand, die als Schüttenrutschfläche dient, und zwei die Schütte seitlich begrenzende Schüttenseitenwände mit kreisbogenförmigen Oberkanten, die entlang einer durch die kreisbogenförmigen Oberkanten definierten Schwenkbewegungsrichtung aus dem durch die Schachtelaußenwände definierten Innenraum der Inennschachtel ausgeklappt werden kann.An essential idea of the invention is to use a folding blank, for example made of cardboard or corrugated cardboard, which can be folded into an inner box for packing bulk goods such as screws, nails or similar small items of hardware. The folding blank has four Outer walls that are hinged to one another via side edges. On the adjacent end faces of three of the outer walls, each chute walls are arranged, which can be connected to a swiveling chute mechanism when folded. The chute mechanism comprises a front wall of the chute, which serves as a chute slide surface, and two side walls of the chute with arcuate upper edges which laterally delimit the chute and which can be unfolded along a pivoting direction of movement defined by the arcuate upper edges out of the interior of the inner box defined by the outer walls of the box.

Erfindungsgemäß ist an der Stirnseite der vierten der Außenwände - also an der Außenwand, an der kein Element des ausschwenkbaren Schüttenmechanismus angeordnet ist - ein Wandelement als Schüttenwandverstärkung angebracht. Das Wandelement wird bei einem Aufrichten der Innenschachtel von der Außenwand nach unten in Richtung des Schüttenmechanismus gefaltet und (vom Innenraum der Innenschachtel aus gesehen) vor die Schüttenvorderwand als Schutz gegenüber einer Druck- oder Anpressbelastung durch in der Innenschachtel verpacktes Schüttgut geklappt.According to the invention, on the end face of the fourth of the outer walls - that is to say on the outer wall on which no element of the swiveling chute mechanism is arranged - a wall element is attached as a chute wall reinforcement. When the inner box is erected, the wall element is folded downwards from the outer wall in the direction of the chute mechanism and (viewed from the interior of the inner box) folded in front of the front wall of the chute as protection against pressure or contact loads from bulk goods packed in the inner box.

Im gefalteten Zustand bietet der Faltzuschnitt im Bereich der ausschwenkbaren Schütte deshalb eine hohe mechanische Stabilität gegenüber einer von innen durch das gepackte Schüttgut auf die Schüttenvorderwand ausgeübten Schub- oder Druckbelastung. Dies gilt insbesondere für punktuelle Belastung durch scharfkantiges oder spitzes Schüttgut wie etwa Nägel, Schrauben oder ähnliche Kleineisenwaren. Dabei bietet der erfindungsgemäße Faltzuschnitt den erheblichen Vorteil, dass er einerseits einstückig ausgebildet werden kann und andererseits Klebverbindungen nicht unbedingt notwendig sind, um den zu einer Innenschachtel gefalteten Faltzuschnitt in Form zu halten.In the folded state, the folding blank therefore offers high mechanical stability in the area of the swiveling chute with respect to a thrust or pressure load exerted on the front wall of the chute from the inside by the packed bulk material. This applies in particular to point loads from sharp-edged or pointed bulk goods such as nails, screws or similar small items of hardware. The folding blank according to the invention offers the considerable advantage that, on the one hand, it can be formed in one piece and, on the other hand, adhesive connections are not absolutely necessary in order to keep the folding blank folded into an inner box in shape.

In manchen Ausführungsformen kann es vorteilhaft sein, die Schüttenwandverstärkung abtrennbar zu implementieren, so dass ein Endverbraucher die Verstärkung selektiv entfernen kann, ohne die Funktionalität des Schüttenmechanismus zu beeinträchtigen. Die Vorteil der mechanischen Stabilisierung, der durch die Schüttenwandverstärkung erzielt werden kann, ergibt sich dann hauptsächlich beim Transport und der Lagerung der verpackten Gebinde zum und im Einzelhandel. Erfindungswesentlich ist dabei aber die Bereitstellung einer Fingeraussparung, wie sie im kennzeichnenden Teil von Anspruch 1 spezifiziert ist.In some embodiments, it may be advantageous to implement the chute wall reinforcement detachably so that an end user can selectively remove the reinforcement without affecting the functionality of the chute mechanism. The advantage of mechanical stabilization, which can be achieved by reinforcing the chute wall, then arises mainly during the transport and storage of the packaged containers to and in retail. What is essential to the invention, however, is the provision of a finger recess as specified in the characterizing part of claim 1.

KURZE BESCHREIBUNG DER ZEICHNUNGENBRIEF DESCRIPTION OF THE DRAWINGS

Die Erfindung wird im Folgenden genauer im Zusammenhang und in Bezug auf die beispielhaften Ausführungsformen wie in den beigefügten Zeichnungen beschrieben.The invention is described in more detail below in connection and with reference to the exemplary embodiments as in the accompanying drawings.

Die beigefügten Zeichnungen dienen dem besseren Verständnis der vorliegenden Erfindung und illustrieren beispielhafte Ausführungsvarianten der Erfindung. Sie dienen zur Erläuterung von Prinzipien, Vorteilen, technischen Effekten und Variationsmöglichkeiten. Selbstverständlich sind andere Ausführungsformen und viele der beabsichtigten Vorteile der Erfindung ebenso denkbar, insbesondere mit Blick auf die im Folgenden dargestellte ausführliche Beschreibung der Erfindung. Die Elemente in den Zeichnungen sind nicht notwendigerweise maßstabsgetreu dargestellt und aus Gründen der Übersichtlichkeit teils vereinfacht oder schematisiert dargestellt. Gleiche Bezugszeichen bezeichnen dabei gleiche oder gleichartige Komponenten oder Elemente.

  • Fig. 1 zeigt eine schematische Ansicht eines Faltzuschnitts, beispielsweise für eine Innenschachtel einer Verpackung für Schüttgut, gemäß einer Ausführungsform.
  • Fig. 2 zeigt eine schematische Ansicht eines Faltzuschnitts für eine Außenschachtel einer Verpackung für Schüttgut, welche den in Fig. 1 dargestellten Faltzuschnitt zur Ausbildung eines Transportkartons ergänzt.
The accompanying drawings serve for a better understanding of the present invention and illustrate exemplary embodiments of the invention. They serve to explain principles, advantages, technical effects and possible variations. Of course, other embodiments and many of the intended advantages of the invention are also conceivable, in particular in view of the detailed description of the invention presented below. The elements in the drawings are not necessarily shown true to scale and, for the sake of clarity, are in some cases shown in a simplified or schematic manner. The same reference symbols denote the same or similar components or elements.
  • Fig. 1 shows a schematic view of a folding blank, for example for an inner box of a packaging for bulk goods, according to one embodiment.
  • Fig. 2 FIG. 13 shows a schematic view of a folding blank for an outer box of a packaging for bulk goods, which has the in Fig. 1 illustrated folding blank to form a transport box supplemented.

Obwohl hierin spezielle Ausführungsformen beschrieben und dargestellt sind, ist es für einen Fachmann klar, dass eine Fülle weiterer, alternativer und/oder äquivalenter Implementierungen für die Ausführungsformen gewählt werden können, ohne im Wesentlichen vom Grundgedanken der vorliegenden Erfindung abzuweichen. Im Allgemeinen sollen alle Variationen, Modifikationen und Abwandlungen der hierin beschriebenen Ausführungsbeispiele ebenfalls von der Erfindung als abgedeckt gelten, sofern vom Schutzbereich der Patentansprüche umfasst.Although specific embodiments are described and illustrated herein, it is clear to a person skilled in the art that a multitude of further, alternative and / or equivalent implementations can be selected for the embodiments without essentially deviating from the basic concept of the present invention. In general, all variations, modifications and alterations of the exemplary embodiments described herein are also intended to be covered by the invention, provided that they are encompassed by the scope of the patent claims.

AUSFÃœHRLICHE BESCHREIBUNG VON AUSFÃœHRUNGSFORMENDETAILED DESCRIPTION OF EMBODIMENTS

Die im Folgenden gezeigten Faltzuschnitte sind jeweils einstückig, das heißt, sie sind aus einem zusammenhängenden Stück Zuschnittmaterial durch Zuschneiden von Außenkanten und Bilden von Aussparungen bzw. Ausstanzungen im Innenbereich des Zuschnittmaterials hergestellt. Das Zuschnittmaterial kann dabei beispielsweise Wellpappe unterschiedlicher Wellenart (A-, B-, C-, D-, E-, F-, G-, N-Welle oder Kombinationen davon), Karton oder ähnliche zellstoffbasierte oder naturfaserbasierte Werkstoffe wie etwa Papierverbunde mit oder ohne Kunststoffbeschichtung umfassen.The folding blanks shown below are each in one piece, that is, they are made from a coherent piece of blank material by cutting outer edges and forming recesses or punchings produced in the interior of the cutting material. The cutting material can, for example, be corrugated cardboard of different types of corrugation (A, B, C, D, E, F, G, N corrugation or combinations thereof), cardboard or similar cellulose-based or natural fiber-based materials such as paper composites with or include without plastic coating.

Knicklinien im Sinne der vorliegenden Erfindung sind alle vorgeprägten Sollfaltlinien bzw. Rilllinien im Zuschnittmaterial, entlang derer ein Knick im Zuschnittmaterial zur späteren dreidimensionalen Herstellung eines Transportkartons vorgesehen ist. Ausschnitte im Sinne der vorliegenden Erfindung sind hierbei geschnittene, ausgestanzte oder anderweitig in das Zuschnittmaterial eingebrachte Öffnungen, die in der Faltzuschnittebene vollständig von Zuschnittmaterial umgeben sind. Derartige Ausschnitte können durch Ausstanzen des Zuschnittmaterials gebildet werden und weisen an den Anfangs- und Endpunkten spitz oder abgerundet zulaufende Stanzenden auf.Crease lines in the sense of the present invention are all pre-stamped intended fold lines or crease lines in the blank, along which a crease is provided in the cut material for the later three-dimensional production of a transport box. Cutouts in the sense of the present invention are cut, punched out or otherwise introduced into the blank material, which are completely surrounded by blank material in the folding blank plane. Such cutouts can be formed by punching out the blank material and have punching ends tapering to a point or rounded at the start and end points.

Fig. 1 zeigt eine schematische Darstellung eines ungefalteten Faltzuschnitts Z1 in der Aufsicht auf die Faltzuschnittsebene. Der dargestellte Faltzuschnitt Z1 ist dabei generell eben. Die Außenkontur des gesamten Faltzuschnitts Z1 umfasst jeweils Schnittkanten, aus denen der Faltzuschnitt Z1 aus einer größeren Lage an Zuschnittmaterial ausgeschnitten ist - die gezeigten Innenkanten sind im Allgemeinen (bis auf gegebenenfalls die Abtrennkanten TR für die Schüttenwandverstärkung) jeweils Knicklinien bzw. Rilllinien, entlang derer ein späteres Knicken des Faltzuschnitts Z1 vorgesehen ist. Fig. 1 shows a schematic representation of an unfolded folding blank Z1 in a plan view of the folding blank plane. The illustrated folding blank Z1 is generally flat. The outer contour of the entire folding blank Z1 comprises cut edges from which the folding blank Z1 is cut from a larger layer of blank material - the inner edges shown are generally (except for the separating edges TR for the chute wall reinforcement), respectively, folding lines or creasing lines along which a later folding of the folding blank Z1 is provided.

Der Faltzuschnitt Z1 kann zur Herstellung einer Innenschachtel einer Verpackung für Schüttgut dienen. Es kann aber auch möglich sein, aus dem Faltzuschnitt Z1 eine eigenständige Schachtel zur Verpackung von Schüttgut herzustellen. Der Faltzuschnitt Z1 umfasst generell eine Deckwand O1, eine erste Seitenwand R1, eine zweite Seitenwand L1 sowie eine Bodenwand U1. Die Deckwand O1, die Bodenwand U1 und die zwei Seitenwände R1 und L1 sind über ihre Seitenkanten so miteinander verbunden, dass bei einem rechtwinkligen Aufrichten der Wandelemente über die Seitenkanten eine quaderförmige Schachtel entsteht.The folding blank Z1 can be used to produce an inner box of packaging for bulk goods. However, it can also be possible to produce an independent box for packing bulk goods from the folding blank Z1. The folding blank Z1 generally comprises a top wall O1, a first side wall R1, a second side wall L1 and a bottom wall U1. The top wall O1, the bottom wall U1 and the two side walls R1 and L1 are connected to one another via their side edges in such a way that a rectangular box is created when the wall elements are erected at right angles over the side edges.

Die Deckwand O1 kann an der freien Seitenkante eine Klebelasche K1 aufweisen, die an der Innen- oder Außenseite der gegenüberliegenden zweiten Seitenwand L1 verklebt werden kann, so dass die quaderförmige Schachtel stabilisiert wird. In der Deckwand O1 kann weiterhin eine Sichtfensteraussparung F1 vorgesehen werden, beispielsweise als Ausschnitt im Material des Faltzuschnitts Z1. Die Sichtfensteraussparung F1 kann gegebenenfalls nach einem Aufrichten des Faltzuschnitts Z1 zu einer Innenschachtel eines Transportkartons mit einer transparenten Plastikfolie hinterlegt werden, um einen Verbraucher Sicht auf in dem Transportkarton verpacktes Schüttgut zu gewähren.The top wall O1 can have an adhesive flap K1 on the free side edge, which can be glued to the inside or outside of the opposite second side wall L1, so that the cuboid box is stabilized. A viewing window recess F1 can also be provided in the top wall O1, for example as a cutout in the material of the folding blank Z1. The viewing window recess F1 can optionally be backed with a transparent plastic film after the folding blank Z1 has been erected to form an inner box of a transport carton, in order to provide a consumer with a view of the bulk goods packed in the transport carton.

An der Bodenwand U1 können optional weiterhin Tragelaschen aufgeklebt werden, die nach einem Aufrichten des Faltzuschnitts Z1 für einen Handeingriff eines Nutzers nach außen abstehen können.Carrying tabs can optionally also be glued to the bottom wall U1, which after the folding blank Z1 has been erected, can protrude outward for a manual intervention by a user.

An den hinteren Stirnkanten (in der Zeichnung der Fig. 1 ohne Beschränkung der Allgemeinheit am unteren Ende dargestellt) können die Deckwand O1, die Bodenwand U1 und die zwei Seitenwände R1 und L1 jeweils Bodenlaschen B11, B12, B13 und B14 aufweisen, die in geeigneter Weise zugeschnitten und mit Knick- bzw. Schneidlinienkombinationen versehen sind, so dass sich aus den Bodenlaschen B11, B12, B13 und B14 in bekannter Weise ein hinterseitiger Bodenverschluss der quaderförmigen Schachtel bilden lässt.At the rear front edges (in the drawing of the Fig. 1 shown without loss of generality at the lower end) the top wall O1, the bottom wall U1 and the two side walls R1 and L1 each have bottom flaps B11, B12, B13 and B14, which are suitably cut and provided with crease or cutting line combinations, so that the bottom flaps B11, B12, B13 and B14 can be used to form a rear bottom closure of the cuboid box in a known manner.

An den vorderen Stirnkanten (in der Zeichnung der Fig. 1 ohne Beschränkung der Allgemeinheit am oberen Ende dargestellt) sind zum einen Elemente eines Schüttenmechanismus angelenkt und zum anderen ein Wandelement als Schüttenwandverstärkung. An der Stirnkante SK der Bodenwand U1 ist eine Schüttenvorderwand SU angelenkt. An den Seitenkanten der Schüttenvorderwand SU sind jeweils Schüttenseitenwände SR bzw. SL angelenkt, die durch Schneidkanten ST von den jeweils angrenzenden Seitenwänden R1 bzw. L1 freigestellt sind. Die Schüttenseitenwände SR, SL weisen an den den Schneidkanten ST gegenüberliegenden Außenkante SC1 bzs. SC2 jeweils einen bogenförmigen Verlauf auf.At the front edge (in the drawing of the Fig. 1 shown without loss of generality at the upper end) on the one hand elements of a chute mechanism and on the other hand a wall element as a chute wall reinforcement. A chute front wall SU is hinged to the front edge SK of the bottom wall U1. Chute side walls SR and SL are hinged to the side edges of the front wall SU of the chute and are freed from the adjacent side walls R1 and L1 by cutting edges ST. The chute side walls SR, SL have at the outer edge SC1 bzs opposite the cutting edges ST. SC2 each have an arcuate course.

Die Schüttenvorderwand SU und die Schüttenseitenwände SR, SL bilden gemeinsam den Schüttenmechanismus aus. Dazu werden die Schüttenseitenwände SR, SL rechtwinklig gegenüber der Schüttenvorderwand SU nach oben gefaltet und im Inneren der quaderförmigen Schachtel an den Seitenwänden R1 und L1 entlang geführt. Die Schüttenvorderwand SU selbst bildet den deckelseitigen Abschluss der quaderförmigen Schachtel und fungiert als Schüttenrutschfläche, über die Schüttgut aus dem Inneren der quaderförmigen Schachtel bei geöffneter Schütte nach außen rutschen kann.The chute front wall SU and the chute side walls SR, SL together form the chute mechanism. For this purpose, the chute side walls SR, SL are folded upwards at right angles with respect to the chute front wall SU and are guided along the side walls R1 and L1 inside the cuboid box. The front wall of the chute SU itself forms the lid-side closure of the cuboid box and acts as a chute slide, over which bulk goods can slide out of the inside of the cuboid box when the chute is open.

Die Schüttenseitenwände SL können gegebenenfalls an den den ersten und zweiten Seitenwänden R1, L1 zugewandten Enden der bogenförmigen Außenkanten SC1, SC2 ein aus dem Bogenverlauf herausragendes Verriegelungselement SV aufweisen. Dieses Verriegelungselement SV dient als Schwenkstopp innerhalb der quaderförmigen Schachtel, so dass der Schüttenmechanismus nur bis zur Position des Verriegelungselementes SV aus dem Innenraum der quaderförmigen Schachtel herausgekippt werden kann. An der Stirnseite der Schüttenvorderwand SU kann weiterhin eine Einstecklasche SF gebildet werden, mit welcher die Schüttenvorderwand SU reibschlüssig an der Innenseite der Deckwand O1 arretiert werden kann.The chute side walls SL can optionally have a locking element SV protruding from the curve on the ends of the arcuate outer edges SC1, SC2 facing the first and second side walls R1, L1. This locking element SV serves as a swivel stop within the cuboid box, so that the chute mechanism can only be tipped out of the interior of the cuboid box up to the position of the locking element SV. On the front side of the front wall of the chute SU, a plug-in tab SF can also be formed, with which the front wall of the chute SU can be frictionally locked on the inside of the top wall O1.

An der vorderen Stirnkante TR der Deckwand O1 (in der Darstellung der Fig. 1 ebenfalls oben) ist ein Wandelement P angelenkt. Dieses Wandelement fungiert als Schüttenwandverstärkung P, welche bei einem Umklappen zusammen mit der Schüttenvorderwand SU die quaderförmige Schachtel deckelseitig abschließt. Durch die Schüttenwandverstärkung P wird die Schüttenvorderwand SU in ihrer Materialstärke quasi verdoppelt, so dass der deckelseitige Abschluss der quaderförmigen Schachtel mechanisch verstärkt wird.At the front edge TR of the top wall O1 (in the illustration of the Fig. 1 also above) a wall element P is articulated. This wall element functions as a chute wall reinforcement P which, when folded down, closes the cuboid box on the lid side together with the chute front wall SU. Through the chute wall reinforcement P, the material thickness of the chute front wall SU is virtually doubled, so that the lid-side closure of the cuboid box is mechanically reinforced.

Die Stirnkante TR der Deckwand O1, an der die Schüttenwandverstärkung P angelenkt ist, kann als Solltrennkante ausgebildet sein, wie durch die Strichelung in Fig. 1 angedeutet. Dabei kann die Solltrennkante durch regelmäßige oder unregelmäßige Stanzungen oder Perforationen im Material des Faltzuschnitts Z1 ausgebildet werden. Erfindungsgemäss ist vorgesehen, eine Fingeraussparung G1 auszubilden. Diese Fingeraussparung G1 erstreckt sich als zusammenhängender Ausschnitt im Material des Faltzuschnitts Z1 im mittleren Bereich der Stirnkante TR der Deckwand O1 über einen Teil der Schüttenwandverstärkung P und einen Teil der Deckwand O1.The front edge TR of the top wall O1, to which the chute wall reinforcement P is hinged, can be designed as a predetermined separating edge, as indicated by the dashed lines in FIG Fig. 1 indicated. The intended separation edge can be formed by regular or irregular stampings or perforations in the material of the folding blank Z1. According to the invention it is provided to form a finger recess G1. This finger recess G1 extends as a coherent cutout in the material of the folding blank Z1 in the middle area of the front edge TR of the top wall O1 over part of the chute wall reinforcement P and part of the top wall O1.

Durch die Fingeraussparung G1 kann ein Nutzer des Transportkartons mit dem zu einer Innenschachtel aufgerichteten Faltzuschnitt Z1 leicht in das Material des Faltzuschnitts Z1 eingreifen und - im Falle der Ausbildung der Stirnkante TR als Solltrennkante - die Schüttenwandverstärkung P entlang der Solltrennkante abreißen. Dadurch ist die Schüttenwandverstärkung P nicht mehr im Weg des Schüttgutes bei einem Entnahmeschritt. Dennoch bildet die Schüttenwandverstärkung P keinen funktionalen Teil des Schüttenmechanismus, so dass dessen Funktionalität auch nach einem irreversiblen Entfernen bzw. Abreißen der Schüttenwandverstärkung P nicht beeinträchtigt wird.Through the finger recess G1, a user of the transport carton with the folding blank Z1 erected to form an inner box can easily reach into the material of the folding blank Z1 and - if the front edge TR is designed as a target separating edge - tear off the chute wall reinforcement P along the intended separating edge. As a result, the bulk material reinforcement P is no longer in the way of the bulk material during a removal step. Nevertheless, the chute wall reinforcement P does not form a functional part of the chute mechanism, so that its functionality is not impaired even after the chute wall reinforcement P is irreversibly removed or torn off.

Die Seitenkanten der Schüttenwandverstärkung P können im Bereich der Stirnkante TR der Deckwand O1 jeweils eine Verjüngung PD aufweisen, beispielsweise eine halbkreisförmige Aussparung. Wie im Detail V der Fig. 1 angedeutet, kann die Verjüngung PD an der der Schüttenseitenwand SR gegenüberliegenden Seitenkante vorteilhafterweise dazu genutzt werden, Platz für die Ausbildung des Verriegelungselementes SV zu schaffen. Dadurch kann der Faltzuschnitt Z1 im Ganzen einstückig ausgebildet werden.The side edges of the chute wall reinforcement P can each have a taper PD, for example a semicircular recess, in the area of the front edge TR of the top wall O1. As in detail V of the Fig. 1 indicated, the taper PD on the side edge opposite the chute side wall SR can advantageously be used to create space for the formation of the locking element SV. As a result, the folding blank Z1 can be made in one piece as a whole.

Fig. 2 zeigt eine schematische Darstellung eines ungefalteten Faltzuschnitts Z2 in der Aufsicht auf die Faltzuschnittsebene. Der dargestellte Faltzuschnitt Z2 ist dabei generell eben. Die Außenkontur des gesamten Faltzuschnitts Z2 umfasst jeweils Schnittkanten, aus denen der Faltzuschnitt Z2 aus einer größeren Lage an Zuschnittmaterial ausgeschnitten ist - die gezeigten Innenkanten sind im Allgemeinen jeweils Knicklinien bzw. Rilllinien, entlang derer ein späteres Knicken des Faltzuschnitts Z2 vorgesehen ist. Fig. 2 shows a schematic representation of an unfolded folding blank Z2 in a plan view of the folding blank plane. The illustrated folding blank Z2 is generally flat. The outer contour of the entire folding blank Z2 includes cut edges from which the folding blank Z2 is cut from a larger layer of blank material - the inner edges shown are generally crease lines or crease lines, along which the folding blank Z2 is intended to be folded later.

Der Faltzuschnitt Z2 dient zur Herstellung einer Außenschachtel, in die eine Innenschachtel einer Verpackung für Schüttgut eingeschoben werden kann. Die Außenschachtel, welche aus dem Faltzuschnitt Z2 aufgerichtet werden kann, kann insbesondere zur Aufnahme einer Innenschachtel dienen, die aus dem Faltzuschnitt Z1 der Fig. 1 aufgerichtet werden kann. Der Faltzuschnitt Z2 umfasst generell eine Deckwand O2, eine erste Seitenwand R2, eine zweite Seitenwand L2 sowie eine Bodenwand U2. Die Deckwand O2, die Bodenwand U2 und die zwei Seitenwände R2 und L2 sind über ihre Seitenkanten so miteinander verbunden, dass bei einem rechtwinkligen Aufrichten der Wandelemente über die Seitenkanten eine quaderförmige Schachtel entsteht.The folding blank Z2 is used to produce an outer box into which an inner box of packaging for bulk goods can be inserted. The outer box, which can be erected from the folding blank Z2, can in particular serve to accommodate an inner box that is made from the folding blank Z1 of the Fig. 1 can be straightened up. The folding blank Z2 generally comprises a top wall O2, a first side wall R2, a second side wall L2 and a bottom wall U2. The top wall O2, the bottom wall U2 and the two side walls R2 and L2 are connected to one another via their side edges in such a way that a rectangular box is created when the wall elements are erected at right angles over the side edges.

Die Deckwand O2 kann an der freien Seitenkante eine Klebelasche K2 aufweisen, die an der Innen- oder Außenseite der gegenüberliegenden zweiten Seitenwand L2 verklebt werden kann, so dass die quaderförmige Schachtel stabilisiert wird. In der Deckwand O2 kann weiterhin eine Sichtfensteraussparung F2 vorgesehen werden, beispielsweise als Ausschnitt im Material des Faltzuschnitts Z2. Die Sichtfensteraussparung F2 kann gegebenenfalls nach einem Aufrichten des Faltzuschnitts Z2 zu einer Außenschachtel eines Transportkartons mit einer transparenten Plastikfolie hinterlegt werden, um einen Verbraucher Sicht auf in dem Transportkarton verpacktes Schüttgut zu gewähren.The top wall O2 can have an adhesive flap K2 on the free side edge, which can be glued to the inside or outside of the opposite, second side wall L2, so that the cuboid box is stabilized. A viewing window recess F2 can also be provided in the top wall O2, for example as a cutout in the material of the folding blank Z2. The viewing window recess F2 can, if necessary, after the folding blank Z2 has been erected to form an outer box of a transport carton with a transparent plastic film be deposited in order to allow a consumer view of the bulk goods packed in the transport box.

An der Bodenwand U2 können optional weiterhin Tragelaschen aufgeklebt werden, die nach einem Aufrichten des Faltzuschnitts Z2 für einen Handeingriff eines Nutzers nach außen abstehen können. Falls an der Bodenwand U1 des Faltzuschnitts Z1 bereits Tragelaschen aufgeklebt sind, können in der Bodenwand U2 des Faltzuschnitts Z2 alternativ schlitzförmige Aussparungen eingebracht werden, durch die die Tragelaschen der Bodenwand U1 durchgesteckt werden können. Dadurch dienen die Tragelaschen neben der Tragefunktion für einen Nutzer auch der Arretierung der Innenschachtel aus dem Faltzuschnitt Z1 innerhalb der Außenschachtel aus dem Faltzuschnitt Z2, da die durch die Aussparungen der Bodenwand U2 hindurch ragenden Tragelaschen ein Verrutschen der Innenschachtel gegenüber der Außenschachtel verhindern oder zumindest erschweren.Carrying tabs can optionally also be glued to the bottom wall U2, which after the folding blank Z2 has been erected, can protrude outward for a manual intervention by a user. If carrying tabs are already glued to the bottom wall U1 of the folding blank Z1, slot-shaped recesses can alternatively be made in the bottom wall U2 of the folding blank Z2, through which the carrying tabs of the bottom wall U1 can be pushed. As a result, in addition to the carrying function for a user, the carrying straps also serve to lock the inner box from the folding blank Z1 within the outer box from the folding blank Z2, since the carrying lugs protruding through the recesses in the bottom wall U2 prevent or at least make it more difficult for the inner box to slip in relation to the outer box.

An den hinteren Stirnkanten (in der Zeichnung der Fig. 2 ohne Beschränkung der Allgemeinheit am unteren Ende dargestellt) können die Deckwand O2, die Bodenwand U2 und die zwei Seitenwände R2 und L2 jeweils Bodenlaschen B21, B22, B23 und B24 aufweisen, die in geeigneter Weise zugeschnitten und mit Knick- bzw. Schneidlinienkombinationen versehen sind, so dass sich aus den Bodenlaschen B21, B22, B23 und B24 in bekannter Weise ein hinterseitiger Bodenverschluss der quaderförmigen Schachtel bilden lässt.At the rear front edges (in the drawing of the Fig. 2 shown without loss of generality at the lower end) the top wall O2, the bottom wall U2 and the two side walls R2 and L2 each have bottom flaps B21, B22, B23 and B24, which are suitably cut and provided with crease or cutting line combinations, so that the bottom flaps B21, B22, B23 and B24 can be used to form a rear bottom closure of the cuboid box in a known manner.

An der vorderen Stirnkante der Deckwand O2 kann zudem eine halbkreisförmige Aussparung G2 ausgebildet werden, die mit der Fingeraussparung G1 des Faltzuschnitts Z1 korrespondiert.In addition, a semicircular recess G2 can be formed on the front end edge of the top wall O2, which corresponds to the finger recess G1 of the folding blank Z1.

Die aus den dargestellten und beschriebenen Faltzuschnitten Z1 und Z2 zu faltenden Schachteln können als Innenteil bzw. Außenteil eines Transportkartons dienen. Dabei wird der Faltzuschnitt Z1 zur Bildung einer Innenschachtel aufgerichtet, der der Faltzuschnitt Z1 zur Bildung einer Außenschachtel. Die Dimensionen der Innenschachtel bzw. des Faltzuschnitts Z1 werden dabei so gewählt, dass sie in einem derartigen Maße geringer als die gewählten Dimensionen der Außenschachtel bzw. des Faltzuschnitts Z2, welches es einerseits erlaubt, die Außenschachtel über die Innenschachtel zu schieben, andererseits aber kein signifikanter Abstand zwischen den Innenwänden der Außenschachtel und den Außenwänden der Innenschachtel besteht. Der Transportkarton besteht damit aus der Innenschachtel, über die eine Außenschachtel gestülpt ist. Dadurch, dass die Außenschachtel im Bereich der Schüttenvorderwand der Innenschachtel offen ist, kann die in der Innenschachtel integrierte Schütte nach vorne aus dem Transportkarton herausgeklappt werden.The boxes to be folded from the illustrated and described folding blanks Z1 and Z2 can serve as an inner part or an outer part of a transport carton. The folding blank Z1 is erected to form an inner box, while the folding blank Z1 is erected to form an outer box. The dimensions of the inner box or the folding blank Z1 are selected so that they are smaller to such an extent than the selected dimensions of the outer box or the folding blank Z2, which on the one hand allows the outer box to be pushed over the inner box, but on the other hand not significantly Distance between the inner walls of the outer box and the outer walls of the inner box consists. The transport box thus consists of the inner box over which an outer box is slipped. Because the outer box is open in the area of the front wall of the inner box, the chute integrated in the inner box can be folded out of the transport box forwards.

Die die Schütte der Innenschachtel bildenden Bestandteile werden dabei beweglich ausgebildet und können aus dem den Innenraum der Außenschachtel bildenden Volumen nach vorne ausgeschwenkt werden. Dadurch kann Schüttgut aus dem Innenraum der Innenschachtel über die Schüttenöffnung nach außen gelangen. Die Schütte der Innenschachtel kann nach einer Entnahme von Schüttgut wieder in die Außenschachtel hinein verschwenkt werden und verschließt den gesamten Transportkarton wieder, so dass das in der Innenschachtel verbliebene Schüttgut gegenüber einem ungewollten Austreten aus dem Transportkarton gesichert ist. Die Außenschachtel kann in manchen Ausführungsformen an den Seitenwänden Führungslaschen aufweisen. Diese Führungslaschen dienen der gleitenden Führung der Schüttenseitenwände der Innenschachtel.The components forming the chute of the inner box are designed to be movable and can be pivoted forward out of the volume forming the interior of the outer box. As a result, bulk material can get out of the interior of the inner box via the chute opening. The chute of the inner box can be swiveled back into the outer box after bulk material has been removed and closes the entire transport box again, so that the bulk material remaining in the inner box is secured against unintentional escape from the transport box. In some embodiments, the outer box can have guide tabs on the side walls. These guide tabs are used to slide the side walls of the chute of the inner box.

Die Faltzuschnitte Z1 und Z2 ermöglichen die Herstellung von Faltschachteln, welche einfach zu fertigen sind, da außer gegebenenfalls etwas Klebstoff für eine Klebverbindung der Seitenwandlaschen mit den angrenzenden Seitenwänden keine zusätzlichen Werkzeuge oder Hilfsmittel notwendig sind. Ferner entfällt ein Anpassen verschiedener Zuschnittsteile aufeinander, da die Faltzuschnitte Z1 bzw. Z2 bereits in einteiliger bzw. einstückiger Form vorliegen.The folding blanks Z1 and Z2 enable the production of folding boxes which are easy to manufacture since, apart from some adhesive, if necessary, no additional tools or aids are necessary for an adhesive connection of the side wall flaps with the adjacent side walls. Furthermore, there is no need to adapt different blank parts to one another, since the folding blanks Z1 and Z2 are already in one-piece or one-piece form.

Die Faltzuschnitte Z1 und Z2 bieten die Möglichkeit, einen mechanisch stabilen Transportkarton herzustellen, der sich für den Schutz von darin verpacktem Schüttgut, wie beispielsweise Schrauben, Nägeln oder ähnlichen Kleineisenwaren und kleinteiligen Bauartikeln eignet.The folding blanks Z1 and Z2 offer the possibility of producing a mechanically stable transport carton that is suitable for protecting bulk goods packed in it, such as screws, nails or similar small items of hardware and small construction items.

Zudem ermöglichen die Faltzuschnitte Z1 und Z2 eine äußerst effiziente und nachhaltige Produktion, da bei der Herstellung der Faltzuschnitte Z1 und Z2 sehr wenig Verschnittmaterial und damit sehr wenig Abfallmaterial anfällt. Dies ist insbesondere bei der Verwendung der aus den Faltzuschnitten Z1 bzw. Z2 gefertigten Transportkartons als Verpackungsmittel für Schüttgut von großem Vorteil. Bei der Verwendung der Transportkartons als temporäre Lagerverpackungen für Schüttgut, welches von Endverbrauchern in mehreren Teilentnahmeschritten entnommen wird, bietet der Faltzuschnitt Z1 aus Wellpappe oder Karton Vorteile, da die integrierte Schütte in der Innenschachtel gut gegenüber Beschädigungen oder ungewolltem Öffnen durch Anpressvorgänge des Schüttguts von innen geschützt ist.In addition, the folding blanks Z1 and Z2 enable extremely efficient and sustainable production, since very little waste material and therefore very little waste material is produced in the production of the folding blanks Z1 and Z2. This is of great advantage, in particular, when the transport cartons made from the folding blanks Z1 or Z2 are used as packaging means for bulk goods. When using the shipping boxes as temporary Storage packaging for bulk goods, which are removed by end users in several partial removal steps, the Z1 folding blank made of corrugated cardboard or cardboard offers advantages, as the integrated chute in the inner box is well protected against damage or unintentional opening by pressing the bulk goods from the inside.

Claims (10)

  1. Foldable blank (Z1), in particular of corrugated board or of cardboard, comprising:
    a cover wall (O1);
    a first side wall (R1) articulated to a side edge of the cover wall (O1);
    a base wall (U1) articulated to a side edge of the first side wall (R1);
    a second side wall (L1) articulated to a side edge of the base wall (U1);
    a front dispenser wall (SU) articulated to an end edge (SK) of the base wall (U1);
    two side dispenser walls (SR, SL) articulated to the side edges of the front dispenser wall (SU) and each having an arc-shaped outer edge; and
    a dispenser wall reinforcement (P), which is articulated as a wall element to an end edge (TR) of the cover wall (O1);
    characterised by
    a finger clearance (G1), which extends over part of the dispenser wall reinforcement (P) and part of the cover wall (O1) as a cohesive cut-out in the material of the foldable blank (Z1) in the central region of the end edge (TR) of the cover wall (O1).
  2. Foldable blank (Z1) according to claim 1, wherein the end edge (TR) of the cover wall (O1) to which the dispenser wall reinforcement (P) is articulated is formed as a predetermined separating edge.
  3. Foldable blank (Z1) according to claim 1, wherein the predetermined separating edge is formed by regular or irregular punchings or perforations in the material of the foldable blank (Z1).
  4. Foldable blank (Z1) according to any of claims 1 to 3, formed from corrugated board of the F-flute or E-flute corrugation type.
  5. Foldable blank (Z1) according to any of claims 1 to 4, further comprising a viewing window clearance (F1) formed in the cover wall (O1) as a cut-out in the material of the foldable blank (Z1) .
  6. Foldable blank (Z) according to any of claims 1 to 5, wherein the side edges of the dispenser wall reinforcement (P) each have a taper (PD) in the region of the end edge (TR) of the cover wall (O1).
  7. Foldable blank (Z) according to claim 6, wherein the side dispenser walls (SR, SL) have a locking element (SV), protruding from the arc progression, at the ends of the arc-shaped outer edges (SC1, SC2) facing the first and second side walls (R1, L1).
  8. Inner box for a shipping carton for bulk material, the inner box being produced from a foldable blank (Z1) according to any of claims 1 to 7.
  9. Shipping carton (P) for bulk material, in particular for screws, nails or similar small ironware, comprising:
    an inner box according to claim 8; and
    an outer box, which is slipped over the inner box and which is open in the region of the front dispenser wall (SU).
  10. Shipping carton (P) according to claim 9, wherein the outer box has, on the side walls, guide straps in which the dispenser side walls (SR, SL) of the inner box are slidingly guided.
EP19178375.2A 2018-06-08 2019-06-05 Foldable blank and folding box for storing bulk goods Active EP3578473B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018002732.4U DE202018002732U1 (en) 2018-06-08 2018-06-08 Faltzuschnitt and carton for bulk material

Publications (2)

Publication Number Publication Date
EP3578473A1 EP3578473A1 (en) 2019-12-11
EP3578473B1 true EP3578473B1 (en) 2021-03-10

Family

ID=62983097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19178375.2A Active EP3578473B1 (en) 2018-06-08 2019-06-05 Foldable blank and folding box for storing bulk goods

Country Status (2)

Country Link
EP (1) EP3578473B1 (en)
DE (1) DE202018002732U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022110934A1 (en) 2022-05-04 2023-11-09 Fischerwerke Gmbh & Co. Kg folding box

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066205A (en) * 1976-11-22 1978-01-03 Alton Box Board Company Bin box
NO159844C (en) 1981-10-03 1989-02-15 Wuerth Adolf Gmbh & Co Kg CASES FOR STORAGE AND CLEARANCE OF GOODS.
DE8600769U1 (en) 1986-01-15 1986-02-20 März-Druck GmbH & Co KG, 4300 Essen Stackable storage box
DE8909310U1 (en) 1989-08-01 1989-09-14 Albert Berner GmbH & Co KG, 7118 Künzelsau Folding box
DE19701860A1 (en) 1997-01-21 1998-07-23 Rovema Gmbh Folding dispensing box for bulk materials, e.g. metal screws
DE19814093A1 (en) 1998-03-30 1999-10-07 Wuerth Adolf Gmbh & Co Kg Folding box
MX2011000725A (en) 2008-07-23 2011-03-25 Meadwestvaco Corp Paperboard bin-cube.
DE102015109650A1 (en) 2015-06-17 2016-12-22 Straub-Verpackungen GmbH One-piece packaging with integrated chute

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP3578473A1 (en) 2019-12-11
DE202018002732U1 (en) 2018-07-10

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