EP0413094A1 - Container - Google Patents

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Publication number
EP0413094A1
EP0413094A1 EP90109399A EP90109399A EP0413094A1 EP 0413094 A1 EP0413094 A1 EP 0413094A1 EP 90109399 A EP90109399 A EP 90109399A EP 90109399 A EP90109399 A EP 90109399A EP 0413094 A1 EP0413094 A1 EP 0413094A1
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EP
European Patent Office
Prior art keywords
corner
edge
side panels
folded
fields
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.)
Granted
Application number
EP90109399A
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German (de)
French (fr)
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EP0413094B1 (en
Inventor
Oskar Karolyi
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.)
Michael Hoerauf Maschinenfabrik GmbH and Co KG
Original Assignee
Michael Hoerauf Maschinenfabrik GmbH and Co KG
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Publication of EP0413094A1 publication Critical patent/EP0413094A1/en
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Publication of EP0413094B1 publication Critical patent/EP0413094B1/en
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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
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/24—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds
    • B65D5/244—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the outside of the container body
    • B65D5/246—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form with adjacent sides interconnected by gusset folds and the gussets folds connected to the outside of the container body the container body comprising a continuous rim or flange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/20—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2038—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape
    • B65D5/2047—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form at least two opposed folded-up portions having a non-rectangular shape trapezoidal, e.g. to form a body with diverging side walls

Definitions

  • the invention relates to a container folded from a sealable cardboard blank, in particular a menu tray with a rectangular base, four unfolded side panels, each of which is connected by folding two essentially triangular corner panels, and to an edge flange which is parallel to the base and consists of four folded onto the side panels Edge strip is formed.
  • EP 22 139 A1 discloses a folded shell with an edge flange parallel to the rectangular bottom, in which two opposite edge strips are provided in the region of their corners with hook-like cams which, after being folded, encompass the corners under the two adjacent edge strips of the edge flange. This gives the folded tray a certain degree of cohesion, which enables the folding tray to be transported safely to other processing stations even before it is sealed.
  • the edge flange is only one layer. The use of relatively thin starting material is therefore not possible.
  • the invention has for its object to design a container of the type mentioned with little effort so that it can also be produced from thin starting material, but ensures sufficient cohesion after folding and before sealing.
  • peripheral flange is double-walled all around and is directed with its cutting edge against the outer surfaces of the side panels.
  • At least two opposing edge strips in the vicinity of the corner fields are provided with narrow cutouts on their cut edges, to which correspondingly shaped lugs on the cut edges of the adjacent corner fields are assigned.
  • the approaches which project approximately only by the material thickness from the associated edge, can snap into the corresponding recesses when the side panels are unfolded, so that sufficient cohesion is ensured even after folding and before sealing the menu tray.
  • the corner fields adjacent to the corner fields provided with the projections are provided with folded support surfaces for the edge flange. This ensures that the edge flange actually runs parallel to the floor.
  • the procedure is expediently such that first the edge flange is folded double-walled and sealed separately in advance.
  • the areas of the recesses can be excluded when sealing, although this is not absolutely necessary. Only then are the side panels unfolded and transported to a further sealing station, the container remaining stable after being unfolded.
  • the blank (1) of FIG. 1 is provided in its central region with fold lines (3, 4, 5, 6) which later form the bottom (2) of the menu tray (55) to be folded (see also FIGS. 2 and 3) limit.
  • Side panels (7, 8, 9, 10) adjoin the base (2) and are delimited from the base (2) by the fold lines (3, 4, 5, 6) mentioned.
  • Parallel to the fold lines (3 to 6) mentioned, the side panels (7 to 10) are delimited by further fold lines (26, 27, 28, 29).
  • the edge flange (56) begins at these delimiting fold lines (26 to 29) after the menu tray (55) has been folded (see also FIGS. 2 and 3).
  • the corner panels (11 and 12) are designed so that the side panels (7 and 10) - like the rest of the other side panels (8 and 9) - are slightly trapezoidal, with the fold lines (3 to 6) are the shorter edges.
  • two triangular corner fields 13, 14, 15, 16 and 17 and 18 are provided between the other side fields (8, 9 and 10).
  • all corner fields (11 to 18) are each separated by fold lines (19).
  • the corner panels (11 to 18) are each separated by fold lines (20 and 21), as between the corner panel (17) and the side panel (9) on the one hand and the corner field (18) and the side field (7) on the other hand is shown.
  • Edge strips 22, 23, 24 and 25 adjoin the side panels (7 to 10) and are delimited by the side panels (7 to 10) by folded edges (26, 27, 28, 29). Parallel to the folded edges (26 to 29) are further fold lines (31, 33, 35 and 37) through which further edge strips (32, 34, 36 and 38) adjoin the aforementioned edge strips (22, 23, 24, 25).
  • cover line (28) can alternatively be used to fold a cover (30), which is only indicated by dash-dotted lines.
  • edge strips are folded together around the fold lines (31, 33, 35, 37), so that a finished double-walled edge flange (56) later results in the finished menu tray (55).
  • the edge strips (23 and 32), the edge strips (24 and 34), the edge strips (25 and 36) and the edge strips (22 and 38) are each folded around one another.
  • the folding takes place in such a way that the open cut edges (39, 40, 41, 42) after folding the menu tray (55) lie below the upper edge of the edge and are directed against the outer surfaces of the unfolded side panels (7 to 10) (see also Fig. 4, the same cutting edge 39).
  • the edge strips (32 and 36) assigned to the smaller side panels (9 and 10) are each provided with cutouts (47, 48, 49,) in the area of their adjacent corner panels (12 and 13 or 16 and 17) at the cut edges (40 and 42). 50).
  • These recesses (47 to 50) are very narrow and preferably essentially rectangular or trapezoidal.
  • the height of the cutouts (47 to 50) is only slightly larger than the wall thickness of the blank (1).
  • Lugs (51, 52, 53, 54) of the adjacent corner fields (12, 13, 16, 17) are assigned to these recesses (47 to 50), the dimensions of which are roughly adapted to the recesses and only protrude from the assigned edge as far how it corresponds to the material thickness used.
  • Fig. 2 shows the only schematically indicated double-walled edge flange (56) and two corner fields (15 and 18), which cover the corner fields folded over (16 and 17).
  • the fold edge (20) can be seen, which covers the invisible fold edge (21) underneath.
  • edge flange 536 shows how the support surfaces (43, 44, 45, 46) lay against the edge flange (56) from below.
  • the edge flange (56) is formed from the eight edge strips (22, 23, 24, and 25, as well as 32, 34, 36 and 38), which lie one above the other and thus make the edge flange (56) double-walled.
  • the edge strips (32, 34, 36 and 38) are invisible from above, as indicated by the reference numerals in brackets in FIG. 3.
  • FIG. 4 a section of Fig. 2 is shown on a greatly enlarged scale and partially in section, as indicated in Fig. 2 with the dash-dotted circle at number IV.
  • edge strips (22 and 38) are folded around their fold line (37) and are arranged relative to the edge strips (25 and 36) assigned to the side panel (9), which also lie one on top of the other. Outside the area of the edge strips (25, 36), the edge strips (22, 38) lie directly on top of one another.
  • Fig. 4 also shows the attachment (53) attached to the invisible corner field (17), in the area of which - after folding - the edge strip (36) has the recess (49).
  • the attachment (53) snaps into the recess (49) and gives the folded menu tray (55) sufficient cohesion before it is sealed.
  • the other projections (51, 52 and 54) snap into the corresponding recesses (47, 48 and 50) in a corresponding manner.
  • the menu tray (55) makes it possible to provide a very thin-walled blank (1) which is nevertheless sufficiently stable owing to the double-walled edge flange (56) and which preferably makes it possible to have one before the final sealing of the menu tray (55) to give sufficient shape stability for further handling of the shell.
  • the open cut edges (39 to 42), of which only the cut edge (39) can be seen in FIG. 4, are such that they cannot be reached from the inside of the menu shell (55).
  • the menu shell (55) is thus sufficiently protected with regard to the open cut edges (39 to 42) if one takes into account that the blank (1) is provided with a liquid-tight coating at least on its later inside of the menu shell (55).

Abstract

Bei einem gefalteten Behälter mit einem rechteckigen Boden (2) und vier aufgefalteten Seitenfeldern (7,8,9,10) ist ein Randflansch vorgesehen, der doppelwandig ausgebildet ist und parallel zum Boden verläuft. Die offenen Schnittkanten (41) des Randflansches sind gegen die Außenflächen der Seitenfelder gerichtet. Die Seitenfelder sind jeweils durch zwei umgefaltete dreieckförmige Eckfelder (11 bis 18) verbunden. Zwei den Randflansch bildende gegenüberliegende Randstreifen (32, 36) sind in der Nähe der Eckfelder an ihren Schnittkanten (40, 42) mit schmalen Aussparungen (47,48,49,50) versehen, denen entsprechend geformte Ansätze (51,52,53,54) an den Schnittkanten der benachbarten Eckfedler zugeordnet sind. Die Ansätze schnappen in die Aussparungen ein, sobald die Seitenfelder des Behälters aufgefaltet sind. Der Behälter ist daher bereits im aufgerichtetem Zustand stabil und läßt sich handhaben, noch bevor die einzelnen Flächen miteinander versiegelt sind.In the case of a folded container with a rectangular bottom (2) and four unfolded side panels (7, 8, 9, 10), an edge flange is provided which is double-walled and runs parallel to the bottom. The open cut edges (41) of the edge flange are directed against the outer surfaces of the side panels. The side panels are each connected by two folded triangular corner panels (11 to 18). Two opposite edge strips (32, 36) forming the edge flange are provided in the vicinity of the corner fields on their cut edges (40, 42) with narrow recesses (47, 48, 49, 50), to which correspondingly shaped lugs (51, 52, 53, 54) are assigned to the cut edges of the adjacent corner springs. The lugs snap into the recesses as soon as the side panels of the container are unfolded. The container is therefore stable in the erected state and can be handled even before the individual surfaces are sealed together.

Description

Die Erfindung betrifft einen aus einem siegelfähigen Kartonzu­schnitt gefalteten Behälter, insbesondere eine Menüschale mit einem rechteckigen Boden, vier aufgefalteten Seitenfeldern, die jeweils durch Umfalten zweier im wesentlichen dreieckförmiger Eckfelder verbunden sind, sowie mit einem zum Boden parallelen Randflansch, der aus vier an die Seitenfelder angefalteten Randstreifen gebildet ist.The invention relates to a container folded from a sealable cardboard blank, in particular a menu tray with a rectangular base, four unfolded side panels, each of which is connected by folding two essentially triangular corner panels, and to an edge flange which is parallel to the base and consists of four folded onto the side panels Edge strip is formed.

Bei einem bekannten Behälter dieser Art (DE 25 45 410 A1) sind zwei gegenüberliegende Randstreifen des Randflansches einlagig, während die zwei anderen Randstreifen des Randflansches drei­lagig gefaltet sind. Die äußere freie Schnittkante ragt dabei nach außen. Schalen dieser Art sind wegen des ungleichen Rand­flansches nicht gleichmäßig stabil und können auch nicht in al­len Fällen verwendet werden. Schalen dieser Art sind auch erst nach dem Verkleben oder Versiegeln stabil genug, um weiter transportiert zu werden.In a known container of this type (DE 25 45 410 A1), two opposite edge strips of the edge flange are single-layer, while the other two edge strips of the edge flange are folded in three layers. The outer free cutting edge protrudes outwards. Shells of this type are not uniformly stable due to the uneven edge flange and cannot be used in all cases. Shells of this type are only stable enough after being glued or sealed to be transported further.

Durch die US-PS 41 99 097 ist eine nicht gattungsgemäße Falt­schale mit gewölbt ineinander übergehenden Außenwänden bekannt, die einen umlaufenden zweilagigen Randflansch besitzt, der al­lerdings nicht parallel zum Boden verläuft. Die Schnittkante ist dabei gegen die innere Umlenkkante des Randflansches ge­ richtet und von außen unsichtbar. Um das Umfalten des zweilagi­gen Ranflansches in den gewölbten Bereichen zu ermöglichen, sind konische, zackenartige Lappen im äußeren Randteil des Randflansches vorgesehen, die das Umfalten zu einer Rundung er­lauben. Schalen dieser Art können aus einem dünneren und daher billigeren Material hergestellt werden.From US-PS 41 99 097 a non-generic folding tray with domed merging outer walls is known, which has a circumferential two-layer edge flange, which, however, does not run parallel to the floor. The cutting edge is ge against the inner deflecting edge of the edge flange judges and invisible from the outside. In order to enable the two-ply ranflange to be folded over in the arched areas, conical, jagged flaps are provided in the outer edge part of the edge flange, which allow the folds to be rounded. Bowls of this type can be made from a thinner and therefore cheaper material.

Durch die EP 22 139 A1 ist eine gefaltete Schale mit zum recht­eckigen Boden parallelen Randflansch bekannt, bei dem zwei ge­genüberliegende Randstreifen im Bereich ihrer Ecken mit haken­artig wirkenden Nocken versehen sind, die nach dem Zusammenfal­ten die Ecken unter den zwei angrenzenden Randstreifen des Randflansches umfassen. Dadurch erhält die gefaltete Schale einen gewissen Zusammenhalt, der bereits vor dem Versiegeln einen sicheren Transport der Faltschale zu anderen Bearbei­tungsstationen ermöglicht. Der Randflansch ist aber nur einla­gig. Die Verwendung von relativ dünnem Ausgangsmaterial ist daher nicht möglich.EP 22 139 A1 discloses a folded shell with an edge flange parallel to the rectangular bottom, in which two opposite edge strips are provided in the region of their corners with hook-like cams which, after being folded, encompass the corners under the two adjacent edge strips of the edge flange. This gives the folded tray a certain degree of cohesion, which enables the folding tray to be transported safely to other processing stations even before it is sealed. The edge flange is only one layer. The use of relatively thin starting material is therefore not possible.

Der Erfindung liegt die Aufgabe zugrunde, einen Behälter der eingangs genannten Art mit geringem Aufwand so auszubilden, daß er auch aus dünnem Ausgangsmaterial herstellbar ist, aber nach dem Falten und noch vor dem Versiegeln einen genügenden Zusam­menhalt gewährleistet.The invention has for its object to design a container of the type mentioned with little effort so that it can also be produced from thin starting material, but ensures sufficient cohesion after folding and before sealing.

Die Aufgabe wird dadurch gelöst, daß der Randflansch umlaufend doppelwandig ausgebildet und mit seiner Schnittkante gegen die Außenflächen der Seitenfelder gerichtet ist.The object is achieved in that the peripheral flange is double-walled all around and is directed with its cutting edge against the outer surfaces of the side panels.

Dadurch wird es möglich, für die Menüschale an sich einen sehr dünnen Karton zu nehmen, der infolge der durchgehenden Doppel­lagigkeit des Randflansches dennoch genügend stabil ist. Die Schnittkante des Randflansches liegt dabei unter der Randober­seite, so daß ein glatter Behälterrand gebildet ist.This makes it possible to take a very thin cardboard for the menu tray, which is nevertheless sufficiently stable due to the continuous double-layered nature of the edge flange. The cut edge of the edge flange lies below the top edge, so that a smooth container edge is formed.

Vorzugsweise sind wenigstens zwei gegnüberliegende Randstreifen in der Nähe der Eckfelder an ihren Schnittkanten mit schmalen Aussparungen versehen, denen entsprechend geformte Ansätze an den Schnittkanten der benachbarten Eckfelder zugeordnet sind. Die Ansätze, die zweckmäßig in etwa nur um die Materialstärke von dem zugeordneten Rand abragen, können beim Auffalten der Seitenfelder in die entsprechenden Aussparungen einschnappen, so daß dadurch bereits nach dem Falten und noch vor dem Versie­geln der Menüschale ein genügender Zusmamenhalt gewährleistet ist.Preferably, at least two opposing edge strips in the vicinity of the corner fields are provided with narrow cutouts on their cut edges, to which correspondingly shaped lugs on the cut edges of the adjacent corner fields are assigned. The approaches, which project approximately only by the material thickness from the associated edge, can snap into the corresponding recesses when the side panels are unfolded, so that sufficient cohesion is ensured even after folding and before sealing the menu tray.

In vorteilhafter Ausgestaltung der Erfindung ist vorgesehen, daß die den mit den Ansätzen versehenen Eckfeldern benachbarten Eckfelder mit angefalteten Stützflächen für den Randflansch versehen sind. Dadurch wird gewährleistet, daß der Randflansch auch tatsächlich zum Boden parallel verläuft.In an advantageous embodiment of the invention it is provided that the corner fields adjacent to the corner fields provided with the projections are provided with folded support surfaces for the edge flange. This ensures that the edge flange actually runs parallel to the floor.

Bei der Herstellung wird zweckmäßigerweise so vorgegangen, daß man zunächst den Randflansch doppelwandig faltet und für sich gesondert vorab versiegelt. Beim Versiegeln können die Bereiche der Aussparungen ausgenommen werden, obwohl dies nicht unbe­dingt erforderlich ist. Erst danach werden die Seitenfelder aufgefaltet und zu einer weiteren Siegelstation transportiert, wobei der Behälter nach dem Auffalten in sich stabil bleibt.In the manufacture, the procedure is expediently such that first the edge flange is folded double-walled and sealed separately in advance. The areas of the recesses can be excluded when sealing, although this is not absolutely necessary. Only then are the side panels unfolded and transported to a further sealing station, the container remaining stable after being unfolded.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus den Unteransprüchen sowie der nachfolgenden Beschreibung eines Ausführungsbeispiels. Es zeigt.

  • Fig. 1 einen ebenen einstückigen Zuschnitt für die erfindungsgemäße Menüschale, wobei die Schnitt­kanten mit ausgezogenen Linien und die Faltlinien mit gestrichelten Linien gekennzeichnet sind und wobei gepunktet dargestellte Linien keine Falt­linien sind, sondern lediglich dem Kennzeichen von erfindungsgemäßen Merkmalen dienen,
  • Fig. 2 eine schematisch dargestellte Seitenansicht einer erfindungsgemäßen Menüschale,
  • Fig. 3 die Draufsicht auf die Menüschale der Fig. 2 und
  • Fig. 4 in stark vergrößertem Maßstab eine in Fig. 2 mit einem strichpunktierten Kreis versehene Einzel­heit IV.
Further advantages and features of the invention result from the subclaims and the following description of an exemplary embodiment. It shows.
  • 1 shows a flat, one-piece cut for the menu tray according to the invention, the cut edges being indicated by solid lines and the fold lines by dashed lines, and wherein dotted lines are not fold lines but merely serve to identify features according to the invention,
  • 2 shows a schematically represented side view of a menu tray according to the invention,
  • Fig. 3 is a plan view of the menu tray of Fig. 2 and
  • Fig. 4 in a greatly enlarged scale a detail IV provided with a dash-dotted circle in Fig. 2.

Der Zuschnitt (1) der Fig. 1 ist in seinem mittleren Bereich mit Faltlinien (3,4,5,6) versehen, die später den Boden (2) der zu faltenden Menüschale (55) (siehe auch Fig. 2 und 3) begren­zen. An den Boden (2) grenzen Seitenfelder (7,8,9,10) an, die durch die genannten Faltlinien (3,4,5,6) vom Boden (2) begrenzt sind. Parallel zu den genannten Faltlinien (3 bis 6) werden die Seitenfelder (7 bis 10) durch weitere Faltlinien (26,27,28,29) begrenzt. An diesen begrenzenden Faltlinien (26 bis 29) beginnt nach dem Falten der Menüschale (55) der Randflansch (56) (siehe auch Fig. 2 und 3).The blank (1) of FIG. 1 is provided in its central region with fold lines (3, 4, 5, 6) which later form the bottom (2) of the menu tray (55) to be folded (see also FIGS. 2 and 3) limit. Side panels (7, 8, 9, 10) adjoin the base (2) and are delimited from the base (2) by the fold lines (3, 4, 5, 6) mentioned. Parallel to the fold lines (3 to 6) mentioned, the side panels (7 to 10) are delimited by further fold lines (26, 27, 28, 29). The edge flange (56) begins at these delimiting fold lines (26 to 29) after the menu tray (55) has been folded (see also FIGS. 2 and 3).

Zwischen den Seitenfeldern (7 und 10) befinden sich dreieckför­mige Eckfelder (11 uns 12), die nach dem Falten der Menüschale (55) die Seitenfelder (7 und 10) verbinden. Die Eckfelder (11 und 12) sind so gestaltet, daß die Seitenfelder (7 und 10) - wie im übrigen auch die anderen Seitenfelder (8 und 9) - leicht trapezförmig gestaltet sind, wobei die an den Boden (2) angren­zenden Faltlinien (3 bis 6) die kürzeren Kanten sind. In ent­sprechender Weise sind zwischen den übrigen Seitenfeldern (8, 9 und 10) jeweils zwei dreieckförmige Eckfelder (13,14,15,16 so­wie 17 und 18) vorgesehen.Between the side panels (7 and 10) there are triangular corner panels (11 and 12) which connect the side panels (7 and 10) after the menu tray (55) has been folded. The corner panels (11 and 12) are designed so that the side panels (7 and 10) - like the rest of the other side panels (8 and 9) - are slightly trapezoidal, with the fold lines (3 to 6) are the shorter edges. Correspondingly, two triangular corner fields (13, 14, 15, 16 and 17 and 18) are provided between the other side fields (8, 9 and 10).

Wie am Beispiel der zwei Eckfelder (17 und 18) gezeigt ist, sind sämtliche Eckfelder (11 bis 18) jeweils durch Faltlinien (19) getrennt. Zu den Seitenfeldern (7 bis 10) hin werden die Eckfelder (11 bis 18) jeweils durch Faltlinien (20 und 21) ge­trennt, wie zwischen dem Eckfeld (17) und dem Seitenfeld (9) einerseits sowie dem Eckfeld (18) und dem Seitenfeld (7) ande­rerseits gezeigt ist.As shown in the example of the two corner fields (17 and 18), all corner fields (11 to 18) are each separated by fold lines (19). Towards the side panels (7 to 10), the corner panels (11 to 18) are each separated by fold lines (20 and 21), as between the corner panel (17) and the side panel (9) on the one hand and the corner field (18) and the side field (7) on the other hand is shown.

An die Seitenfelder (7 bis 10) grenzen Randstreifen 22,23,24, und 25) an, die durch Faltkanten (26,27,28,29) von den Seiten­feldern (7 bis 10) begrenzt sind. Parallel zu den Faltkanten (26 bis 29) verlaufen weitere Faltlinien (31,33,35 und 37) durch welche weitere Randstreifen (32,34,36 und 38) an die vor­genannten Randstreifen (22,23,24,25) angrenzen.Edge strips 22, 23, 24 and 25 adjoin the side panels (7 to 10) and are delimited by the side panels (7 to 10) by folded edges (26, 27, 28, 29). Parallel to the folded edges (26 to 29) are further fold lines (31, 33, 35 and 37) through which further edge strips (32, 34, 36 and 38) adjoin the aforementioned edge strips (22, 23, 24, 25).

Anstelle der Randstreifen (24 und 34) kann mittels der Faltli­nie (28) alternativ ein nur strichpunktiert angedeuteter Deckel (30) angefaltet werden.Instead of the edge strips (24 and 34), the cover line (28) can alternatively be used to fold a cover (30), which is only indicated by dash-dotted lines.

Jeweils zwei benachbarte Randstreifen werden um die genannten Faltlinien (31,33,35,37) aneinandergefaltet, so daß sich bei der fertigen Menüschale (55) später ein umlaufender, doppelwan­diger Randflansch (56) ergibt. So werden die Randstreifen (23 und 32), die Randstreifen (24 und 34), die Randstreifen (25 und 36) sowie die Randstreifen (22 und 38) jeweils umeinander ge­faltet. Die Faltung erfolgt dabei derart, daß die offenen Schnittkanten (39,40,41,42) nach dem Falten der Menüschale (55) unter der Oberkante des Randes liegen und gegen die Außenflä­chen der aufgefalteten Seitenfelder (7 bis 10) gerichtet sind (siehe auch Fig. 4, desselbst Schnittkante 39).In each case, two adjacent edge strips are folded together around the fold lines (31, 33, 35, 37), so that a finished double-walled edge flange (56) later results in the finished menu tray (55). The edge strips (23 and 32), the edge strips (24 and 34), the edge strips (25 and 36) and the edge strips (22 and 38) are each folded around one another. The folding takes place in such a way that the open cut edges (39, 40, 41, 42) after folding the menu tray (55) lie below the upper edge of the edge and are directed against the outer surfaces of the unfolded side panels (7 to 10) (see also Fig. 4, the same cutting edge 39).

An den den größeren Seitenfeldern (7 und 8) benachbarten Eck­feldern (11,14,15 und 18), die beim Aufrichten des Behälters nach außen und gegen die Außenflächen der kleineren Seitenfel­der (9, 10) gefaltet werden, sind im Bereich der Schnittkanten kleine Flächen (43,44,45,46) vorgesehen, die nach dem Falten der Menüschale (55) als Stützflächen für den Randflansch (56) dienen. Diese Stützflächen (43 bis 46) unterstützen zugleich den späteren Siegelvorgang.On the corner panels (11, 14, 15 and 18) adjacent to the larger side panels (7 and 8), which are folded outwards against the outer surfaces of the smaller side panels (9, 10) when the container is erected, there are small ones in the area of the cut edges Surfaces (43, 44, 45, 46) are provided which serve as support surfaces for the edge flange (56) after the menu shell (55) has been folded. These support surfaces (43 to 46) also support the later sealing process.

Die den kleineren Seitenfeldern (9 und 10) zugeordneten Rand­streifen (32 und 36) sind im Bereich ihrer benachbarten Eckfel­der (12 und 13 bzw. 16 und 17) an den Schnittkanten (40 und 42) jeweils mit Aussparungen (47,48,49,50) versehen. Diese Ausspa­rungen (47 bis 50) sind sehr schmal und vorzugsweise im wesent­lichen rechteckförmig oder trapezförmig gestaltet. Die Höhe der Aussparungen (47 bis 50) ist nur unwesentlich größer als die Wandstärke des Zuschnittes (1). Diesen Aussparungen (47 bis 50) sind Ansätze (51,52,53,54) der benachbarten Eckfelder (12,13, 16,17) zugeordnet, deren Abmessungen den Aussparungen in etwa angepaßt sind und die vom zugeordneten Rand nur etwa so weit vorstehen, wie es der verwendeten Materialstärke entspricht. Nach dem Auffalten der Menüschale (55) schnappen die Ansätze (51 bis 54) in die ihnen jeweils zugeordneten Aussparungen (47 bis 50) ein, wie später anhand der Fig. 4 noch beschrieben wird.The edge strips (32 and 36) assigned to the smaller side panels (9 and 10) are each provided with cutouts (47, 48, 49,) in the area of their adjacent corner panels (12 and 13 or 16 and 17) at the cut edges (40 and 42). 50). These recesses (47 to 50) are very narrow and preferably essentially rectangular or trapezoidal. The height of the cutouts (47 to 50) is only slightly larger than the wall thickness of the blank (1). Lugs (51, 52, 53, 54) of the adjacent corner fields (12, 13, 16, 17) are assigned to these recesses (47 to 50), the dimensions of which are roughly adapted to the recesses and only protrude from the assigned edge as far how it corresponds to the material thickness used. After the menu shell (55) has been unfolded, the shoulders (51 to 54) snap into the recesses (47 to 50) assigned to them, as will be described later with reference to FIG. 4.

In den Fig. 2 und 3 erkennt man die aufgefaltete Menüschale (55). Fig. 2 zeigt den nur schematisch angedeuteten doppelwan­digen Randflansch (56) sowie zwei Eckfelder (15 und 18), welche die darunter umgefalteten Eckfelder (16 bzw. 17) überdecken. Im Bereich des Eckfeldes (18) ist die Faltkante (20) zu erkennen, welche die darunterliegende unsichtbare Faltkante (21) über­deckt. Außerdem erkennt man die Faltlinie (19), welche das von außen sichtbare Eckfeld (18) und das darunterliegende unsicht­bare Eckfeld (17) trennt.2 and 3 you can see the unfolded menu shell (55). Fig. 2 shows the only schematically indicated double-walled edge flange (56) and two corner fields (15 and 18), which cover the corner fields folded over (16 and 17). In the area of the corner field (18) the fold edge (20) can be seen, which covers the invisible fold edge (21) underneath. You can also see the fold line (19), which separates the corner field (18) visible from the outside and the invisible corner field (17) underneath.

Anhand von Fig. 3 ist zu erkennen, wie sich die Stützflächen (43,44,45,46) von unten gegen den Randflansch (56) anlegen. Der Randflansch (56) ist dabei aus den acht Randstreifen (22,23,24, und 25 sowie 32,34,36 und 38) gebildet, die jeweils übereinan­derliegen und somit den Randflansch (56) doppelwandig machen. Die Randstreifen (32,34,36 und 38) sind dabei von oben unsicht­bar, wie durch die in Fig. 3 in Klammern gesetzten Bezugszei­chen angedeutet ist,.3 shows how the support surfaces (43, 44, 45, 46) lay against the edge flange (56) from below. The edge flange (56) is formed from the eight edge strips (22, 23, 24, and 25, as well as 32, 34, 36 and 38), which lie one above the other and thus make the edge flange (56) double-walled. The edge strips (32, 34, 36 and 38) are invisible from above, as indicated by the reference numerals in brackets in FIG. 3.

In Fig. 4 ist in stark vergrößertem Maßstab und teilweise ge­schnitten ein Ausschnitt aus Fig. 2 dargestellt, wie in Fig. 2 mit dem strichpunktierten Kreis bei der Ziffer IV angedeutet ist.In Fig. 4, a section of Fig. 2 is shown on a greatly enlarged scale and partially in section, as indicated in Fig. 2 with the dash-dotted circle at number IV.

Man erkennt in Fig. 4, wie beispielsweise die Randstreifen (22 und 38) um ihre Faltlinie (37) umeinandergefaltet sind und re­lativ zu den dem Seitenfeld (9) zugeordneten Randstreifen (25 und 36), die ebenfalls aufeinanderliegen, angeordnet sind. Au­ßerhalb des Bereichs der Randstreifen (25, 36) liegen die Rand­streifen (22, 38) unmittelbar aufeinander auf.It can be seen in FIG. 4 how, for example, the edge strips (22 and 38) are folded around their fold line (37) and are arranged relative to the edge strips (25 and 36) assigned to the side panel (9), which also lie one on top of the other. Outside the area of the edge strips (25, 36), the edge strips (22, 38) lie directly on top of one another.

Fig. 4 zeigt auch den am unsichtbaren Eckfeld (17) angebrachten Ansatz (53), in dessen Bereich - nach dem Falten - der Rand­streifen (36) die Aussparung (49) aufweist. Beim Auffalten schnappt der Ansatz (53) in die Aussparung (49) ein und gibt der gefalteten Menüschale (55) bereits vor dem Versiegeln einen ausreichenden Zusammenhalt. In entsprechender Weise rasten auch die übrigen Ansätze (51, 52 und 54) in die entsprechenden Aus­sparungen (47, 48 und 50) ein.Fig. 4 also shows the attachment (53) attached to the invisible corner field (17), in the area of which - after folding - the edge strip (36) has the recess (49). When unfolded, the attachment (53) snaps into the recess (49) and gives the folded menu tray (55) sufficient cohesion before it is sealed. The other projections (51, 52 and 54) snap into the corresponding recesses (47, 48 and 50) in a corresponding manner.

Durch die erfindungsgemäße Menüschale (55) ist es möglich,einen sehr dünnwandigen Zuschnitt (1) vorzusehen, der aufgrund der Doppelwandigkeit des Randflansches (56) dennoch ausreichend stabil ist und der es vorzugsweise ermöglicht, bereits vor dem endgültigen Versiegeln der Menüschale (55) eine ausreichende Formstabilität zur weiteren Handhabung der Schale zu geben.The menu tray (55) according to the invention makes it possible to provide a very thin-walled blank (1) which is nevertheless sufficiently stable owing to the double-walled edge flange (56) and which preferably makes it possible to have one before the final sealing of the menu tray (55) to give sufficient shape stability for further handling of the shell.

Wie aus Fig.4 noch ersichtlich ist, liegen die offenen Schnitt­kanten (39 bis 42), von denen in Fig. 4 nur die Schnittkante (39) zu sehen ist, derart, daß sie vom Inneren der Menüschale (55) nicht erreichbar sind. Die Menüschale (55) ist hinsicht­lich der offenen Schnittkanten (39 bis 42) somit ausreichend geschützt, wenn man in Betracht zieht, daß der Zuschnitt (1) zumindest auf seiner späteren Innenseite der Menüschale (55) mit einer flüssigkeitsdichten Beschichtung versehen ist.As can still be seen from FIG. 4, the open cut edges (39 to 42), of which only the cut edge (39) can be seen in FIG. 4, are such that they cannot be reached from the inside of the menu shell (55). The menu shell (55) is thus sufficiently protected with regard to the open cut edges (39 to 42) if one takes into account that the blank (1) is provided with a liquid-tight coating at least on its later inside of the menu shell (55).

Claims (7)

1. Aus einem siegelfähigen Kartonzuschnitt gefalteter Be­hälter, insbesondere Menüschale mit einem rechteckigen Boden und vier aufgefalteten Seitenfeldern, die jeweils durch zwei im wesentlichen dreieckförmige Eckfelder verbunden sind, sowie mit einem zum Boden parallelen Randflansch, der aus vier an die Seitenfelder angefalteten Randstreifen gebildet ist, dadurch gekennzeichnet, daß der Randflansch (56) umlaufend doppelwandig ausgebildet und mit seiner Schnittkante (39,40,41,42) gegen die Außenflächen der Seitenfelder (7,8,9,10) gerichtet ist.1. Containers folded from a sealable cardboard blank, in particular a menu tray with a rectangular base and four unfolded side panels, each of which is connected by two essentially triangular corner panels, and with an edge flange parallel to the base, which is formed from four edge strips folded onto the side panels, characterized in that the peripheral flange (56) is double-walled all around and is directed with its cutting edge (39, 40, 41, 42) against the outer surfaces of the side panels (7, 8, 9, 10). 2. Behälter nach Anspruch 1, dadurch gekennzeichnet, daß die Eckfelder (11 bis 18) nach außen und gegen die Außenfläche eines der benachbarten Seitenfelder (9, 10) umgefaltet sind.2. Container according to claim 1, characterized in that the corner panels (11 to 18) are folded outwards and against the outer surface of one of the adjacent side panels (9, 10). 3. Behälter nach den Ansprüchen 1 und 2, dadurch gekenn­zeichnet, daß mindestens ein Teil der Eckfelder (11 bis 18) an den Außenflächen der kleineren Seitenfelder (9, 10) anliegt.3. Container according to claims 1 and 2, characterized in that at least part of the corner fields (11 to 18) abuts the outer surfaces of the smaller side fields (9, 10). 4. Behälter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß wenigstens zwei gegenüberliegende Rand­streifen (23,32; 25,36) in der Nähe der Eckfelder (12,13; 16,17) an ihren Schnittkanten (40; 42) mit schmalen Aus­sparungen (47,48,49,50) versehen sind, denen entsprechend geformte Ansätze (51,52,53,54) an den Schnittkanten der be­nachbarten Eckfelder (12,13; 16,17) zugeordnet sind.4. Container according to one of claims 1 to 3, characterized in that at least two opposite edge strips (23,32; 25,36) in the vicinity of the corner fields (12,13; 16,17) at their cut edges (40; 42) are provided with narrow recesses (47, 48, 49, 50) to which correspondingly shaped lugs (51, 52, 53, 54) are assigned at the cut edges of the adjacent corner fields (12, 13; 16, 17). 5. Behälter nach Anspruch 4, dadurch gekennzeichnet, daß die Ansätze (51 bis 54) etwa um das Maß der Dicke des verwende­ten Materiales über die Schnittkanten vorstehen.5. A container according to claim 4, characterized in that the projections (51 to 54) protrude about the measure of the thickness of the material used over the cut edges. 6. Behälter nach Anspruch 4 oder 5, dadurch gekennzeich­net, daß die Aussparungen (47,48,49,50) und Ansätze (51,52,53, 54) im wesentlichen rechteckförmig oder trapezförmig ausgebil­det sind.6. Container according to claim 4 or 5, characterized in that the recesses (47,48,49,50) and lugs (51,52,53, 54) are substantially rectangular or trapezoidal. 7. Behälter nach einem der Ansprüche 1 bis 6, dadurch ge­kennzeichnet, daß die Eckfelder (11, 14, 15, 18), die den mit den Ansätzen (51,52,53,54) versehenen Eckfeldern (12,13; 16,17) benachbart sind, mit angefalteten Stützflächen (43,44,45,46) für den Randflansch (56) versehen sind.7. Container according to one of claims 1 to 6, characterized in that the corner fields (11, 14, 15, 18), the provided with the approaches (51,52,53,54) corner fields (12,13; 16, 17) are adjacent, are provided with folded support surfaces (43, 44, 45, 46) for the edge flange (56).
EP90109399A 1989-08-17 1990-05-18 Container Expired - Lifetime EP0413094B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3927187 1989-08-17
DE3927187A DE3927187C2 (en) 1989-08-17 1989-08-17 container

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EP0413094A1 true EP0413094A1 (en) 1991-02-20
EP0413094B1 EP0413094B1 (en) 1993-02-24

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EP (1) EP0413094B1 (en)
JP (1) JP3048604B2 (en)
DE (2) DE3927187C2 (en)

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US8590707B2 (en) * 2010-06-28 2013-11-26 Joseph E. Sielski Foldable tray for making a package in which to bake and ship baked goods
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FR3016347A1 (en) * 2014-01-14 2015-07-17 Global Print Papers SINGLE-SIZE CUP OR POT FOR SQUARE SHAPE, CONSISTING OF A SINGLE PIECE OF CARDBOARD. THIS POT IS A WIDE OPENING, SEALED, OPERCULABLE, WITH EDGES RIGIDIFIED BY A PROFILE AND WELDED CORNERS

Also Published As

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JPH0385245A (en) 1991-04-10
DE59000921D1 (en) 1993-04-01
EP0413094B1 (en) 1993-02-24
US4998669A (en) 1991-03-12
DE3927187C2 (en) 2000-04-13
DE3927187A1 (en) 1991-02-21
JP3048604B2 (en) 2000-06-05

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