EP0066077B1 - Folding box for loose goods, especially for liquids - Google Patents

Folding box for loose goods, especially for liquids Download PDF

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Publication number
EP0066077B1
EP0066077B1 EP82103385A EP82103385A EP0066077B1 EP 0066077 B1 EP0066077 B1 EP 0066077B1 EP 82103385 A EP82103385 A EP 82103385A EP 82103385 A EP82103385 A EP 82103385A EP 0066077 B1 EP0066077 B1 EP 0066077B1
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EP
European Patent Office
Prior art keywords
folding box
outlet connection
box according
wedge
shaped
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.)
Expired
Application number
EP82103385A
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German (de)
French (fr)
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EP0066077A1 (en
Inventor
Hans Juchem
Hans-Uwe Richter
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Hermetic-Verpackung & Co KG GmbH
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Hermetic-Verpackung & Co KG GmbH
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Priority to AT82103385T priority Critical patent/ATE9978T1/en
Publication of EP0066077A1 publication Critical patent/EP0066077A1/en
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Publication of EP0066077B1 publication Critical patent/EP0066077B1/en
Expired legal-status Critical Current

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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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062Flexible containers disposed within polygonal containers formed by folding a carton blank
    • B65D77/065Spouts, pouring necks or discharging tubes fixed to or integral with the flexible container

Definitions

  • the invention relates to a folding box for pourable goods, in particular for liquids, with a folding tubular flap comprising cardboard or cardboard, which can be folded up on the bottom and on the lid, in which a substantially tubular bottom and lid side is folded in and can be sealed with a sealable joint is, in the cover side of which a sealing piece provided with a closure part is sealed.
  • a known folding box (GB-A No. 1022538) of the type described above, in contrast to sheet metal or plastic containers, has the basic advantage that it can be delivered and stored in a space-saving manner when folded. After being used, the emptied folding box can be effortlessly compressed, again stored in a space-saving manner, and can also be burned or rotten with little residue.
  • the inner lining consists of a foil-like material such as Polyethylene film or aluminum film.
  • the inner lining has an outwardly projecting longitudinal sealing joint, so that there is a tubular structure which is initially open on the bottom and lid sides and which is held on the inner wall surface of the approximately tubular cardboard or cardboard folding jacket with a plurality of adhesive locations, which can be folded together for storage purposes . If the carrier foil (e.g. aluminum foil) of the inner lining itself cannot be welded, the carrier foil is covered on the inside with a sealing layer, e.g. Heat seal layer, provided so that the upper and lower sealing joints can be made later.
  • a sealing layer e
  • the folding box known from GB-A No. 1022538 has a closable lid-side outlet nozzle sealed next to the upper sealing joint, which allows partial delivery with subsequent reclosure, which is desirable and advantageous for a large number of oxidizable or hygroscopic pourable goods.
  • the sealing of the spout inserted laterally next to the upper sealing joint in a separate opening in the inner lining is problematic.
  • the sealing tool requires a lower abutment, which requires considerable mechanical effort.
  • the invention is aware of the disadvantages of the known, the task of creating a folding box that allows a reusable liquid and gas-tight seal with overall simple means.
  • this object was achieved in that the outlet nozzle is sealed in the sealing joint of the inner lining, and in that the outlet nozzle has at least one gusset-shaped shoulder on its outer lateral surface, which, filling a zig-zag transition gap between the lining film and outlet nozzle, has its free gusset edge in the Seal joint protrudes.
  • an outlet nozzle previously inserted into the joint opening is sealed at the same time.
  • the invention therefore does not require a push-through opening to be introduced separately for the outlet connection.
  • the sealing is expediently carried out by means of two heated sealing jaw tools which can be moved together and pressed against one another.
  • a lower abutment which is complex in terms of workflow and mechanically, is inherently superfluous in realizing the invention.
  • considerable difficulties had to be overcome with the creation of the folding box according to the invention, since the outlet connection could not initially be sealed in the sealing joint in a completely liquid-tight and gas-tight manner.
  • the invention has solved this additional problem while maintaining a simple design in that the outlet spigot has at least one gusset-shaped shoulder on its outer surface, which, filling a gusset-shaped transition gap between the lining film and the outlet spigot, projects into the sealing joint with its free gusset edge.
  • the outlet spigot has at least one gusset-shaped shoulder on its outer surface, which, filling a gusset-shaped transition gap between the lining film and the outlet spigot, projects into the sealing joint with its free gusset edge.
  • the outlet nozzle In the event that the outlet nozzle is inserted directly at one end of the lid-side joint opening of the inner liner, it may be sufficient for the outlet nozzle to have only a gusset-shaped extension on its outer surface that protrudes toward the middle of the box into the sealing joint. In the event that the outlet nozzle is arranged only a little away from one end of the joint, it has proven to be expedient, according to further features of the invention, to provide a gusset-shaped attachment on the outer lateral surface of the outlet nozzle at two diametrically opposite points. The two diametrically opposite gusset-shaped approaches then penetrated - each gusset-shaped approach by themselves - into the adjacent sealing gap by sealingly filling the respective gusset gap in the sealing gap.
  • the gusset-shaped attachment as a one-piece, integral part of the outlet connector forming a plastic injection-molded part, smoothly merges into the outer lateral surface of the outlet connector with concave connection areas extending on both sides parallel to the free gusset edge.
  • the smooth transitions also allow the lining film to be applied tightly to the outlet nozzle during the sealing process gangs.
  • welding is intended between the inner coating of the lining film or between the film itself and the outlet connection area of the sealing film, it has proven to be expedient to provide the same material.
  • the lining foils themselves and their inner coating as well as the outlet spout itself can be made of polyethylene.
  • the invention further provides that the outer jacket surface of the outlet connector at least at the approximately 90 or 180 degrees of circumference from the gusset-shaped attachment has a convexly rounded cross-sectional contour.
  • the simplest way of fulfilling these features of the invention is that the outer circumferential surface of the outlet connector which carries the gusset-shaped attachment or the gusset-shaped attachments essentially has a circular cross-sectional contour.
  • each gusset-shaped attachment measured parallel to the central longitudinal axis of the outlet connector corresponds approximately to the width of the sealing joint.
  • the releasable closure part which closes the outlet opening of the outlet nozzle can be made of a threaded cap known per se or e.g. consist of a snap-lock cap or a known snap-lock plug.
  • the closure part is a threaded cap, gagging of the film-like inner container when unscrewing the threaded cap must be avoided.
  • the invention provides that the outlet connection between the sealing joint and its outlet opening or below the sealing joint (in the latter case: inside the inner lining) forms anti-rotation surfaces.
  • the folding box for liquids shown in FIG. 1 is designated overall by the reference number 10.
  • the folding box 10 initially consists of an approximately tubular folding jacket 11 made of cardboard or cardboard, which has folding tabs that can be folded and glued on the bottom and lid side. From Fig. 1 only the lid-side folding tabs 12, 13, 14 and 15 can be seen.
  • an essentially tubular bottom and lid side is folded and held with a sealing joint, each with an inner lining 16 made of film-like material.
  • the sealing joint 17, which e.g. is filled by a heat seal adhesive, is located between two sealing edges 18 and 19 of the tubular inner lining 16 on the cover side.
  • an outlet spout made of plastic (e.g. polyethylene), designated overall by 20, which can be closed by means of a screw cap 21.
  • the outlet connection 20 has an attachment 22 provided with an external thread, onto which the screw cap 21 shown in FIG. 1 (see also FIG. 5) can be screwed.
  • An essential area of the outlet connector 20 consists of its outer lateral surface 23, which has a mainly circular cross-sectional contour. From the outer lateral surface 23 of the outlet connector 20 forming a plastic injection molded part, a gusset-shaped attachment 24 protrudes in one piece and is integrally connected at two diametrically opposite points. It can be seen particularly clearly from FIG. 2 that each gusset-shaped attachment 24, filling a gusset-shaped transition gap between the sealing edges 18, 19 and the outlet connection 20, which is not further specified, projects with its respective free gusset edge 35 into the sealing joint 17.
  • each gusset-shaped extension 24 with concave connection regions 25, 26 extending parallel on both sides to the free gusset edge 35 smoothly merges into the outer lateral surface 23 of the outlet connector 20.
  • This gusset design with the smooth transition points allows a liquid and gas-tight sealing with the outer surface 23 of the outlet connector 20 into the sealing joint 17.
  • each gusset-shaped extension 24 it has proven expedient, as can be seen particularly clearly from FIG. 3, to choose the axial length 1 of each gusset-shaped extension 24 approximately equal to the width b of the sealing joint 17.
  • the outlet connection 20 is, due to the flexibility of the inner liner 16, attached to the inner liner 16 by the seal in a space-articulated manner.
  • This arrangement basically allows swiveling in and out speaking of the curved double arrow denoted by y in FIG. 1.
  • This arrangement according to the invention basically allows two different embodiments. Firstly, the embodiment according to FIG. 4, according to which the outlet connection 20 is pivoted inward along the arrow y and is stored within a free storage space on the cover side within the folded casing 11 of the folding box 10 and the cover arrangement is then closed.
  • the key surfaces 28 arranged between the outlet opening 31 and the sealing joint 17 are formed overall by a screw head-like hexagon 32, on the edges of which groove-shaped depressions 33 are provided, approximately in the center at the axial height x of the key surfaces 28.
  • the fork-shaped reveals 29, 30 of the cover-side folding tabs 12, 15 can engage in these groove-shaped recesses 33, so that in this way an axial securing of the hexagon 32 - and thus its continued protection against rotation - is brought about.
  • FIG. 5 shows a folding box 10a, in which the outlet nozzle 20 with threaded screw cap 21 is accessible from the outside from the beginning.
  • the cardboard or folding jacket 11 therefore does not need to have any separate storage space for accommodating the outlet connection 20 which is otherwise kinked according to FIG. 4.
  • the lid arrangement of the folding jacket 11 differs from the exemplary embodiment according to FIG. Only in that no tear-open tab 27 is provided from the beginning.
  • 5 has an essentially plate-shaped extension 34 (only partially shown), which is supported in a manner not shown on the inner circumferential surface of the cardboard or cardboard folding body 11 and thus protects against rotation Gagging the closure arrangement with the outlet nozzle 20 causes.
  • the plate-shaped extension 34 can also be arranged below the sealing joint 17 on the outlet connection 20 and, with the interposition of the inner liner 16, can be supported on the inner wall surfaces of the folded jacket 11 in a rotationally securing manner.
  • outlet opening 31 of the possibly previously sealed-in outlet connector 20 is also possible, moreover, to use the outlet opening 31 of the possibly previously sealed-in outlet connector 20 as a filling opening for introducing the product to be filled.
  • the central longitudinal axis of the outlet nozzle 20 is designated by a.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
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Abstract

1. Folding box (10) for loose goods, especially for liquids, with a somewhat tube-shaped folding casing (11) of cardboard or paperboard, having a foldable flap closing the bottom side and lid side (12, 13, 14, 15), in which is contained a substantially tube-shaped inner lining (16), consisting of a film-like material which can be folded on the bottom side and lid side and is closable by a sealed joint, on the lid side of which is sealed in an outlet connection (20) provided on one side with a closure part, characterised in that the outlet connection (20) is sealed into the sealed joint of the inner lining (16) and that the outlet connection (20) has on its outer surface (23) at least one wedge-shaped projection (24) which, filling a wedge-shaped transitional gap between lining film (18, 19) and outlet connection (20), projects with its free wedge edge (35) into the sealed joint (17).

Description

Die Erfindung betrifft eine Faltschachtel für schüttfähigesGut, insbesondere für Flüssigkeiten, mit einem boden- und deckelseitig anklappbare Faltlappen aufweisenden, etwa rohrförmigen Faltmantel aus Karton oder Pappe, in welchem ein im wesentlichen schlauchförmiges boden- und dekkelseitig einfalt- und mit je einer Siegelfuge verschliessbares Innenfutter gehalten ist, in dessen Deckelseite ein einseitig mit einem Verschlussteil versehener Auslaufstutzen eingesiegelt ist.The invention relates to a folding box for pourable goods, in particular for liquids, with a folding tubular flap comprising cardboard or cardboard, which can be folded up on the bottom and on the lid, in which a substantially tubular bottom and lid side is folded in and can be sealed with a sealable joint is, in the cover side of which a sealing piece provided with a closure part is sealed.

Eine bekannte Faltschachtel (GB-A Nr. 1022538) der vorbeschriebenen Gattung besitzt im Unterschied zu Blech- oder Kunststoffbehältern den grundsätzlichen Vorteil, dass sie raumsparend im zusammengefalteten Zustand angeliefert und gelagert werden kann. Nach ihrerverwendung wiederum kann die entleerte Faltschachtel, mühelos zusammengedrückt, wiederum raumsparend gelagert und darüber hinaus rückstandsarm verbrannt oder verrottet werden. Das Innenfutter besteht aus einem folienhaften Werkstoff wie z.B. Polyäthylenfolie oder Aluminiumfolie. Das Innenfutter weist eine nach aussen abstehende Längssiegelfuge auf, so dass ein zunächst boden- und deckelseitig offenes schlauchförmiges Gebilde vorliegt, welches an der Innenwandfläche des etwa rohrförmigen Karton- bzw. Papp-Faltmantels - gemeinsam mit diesem zu Lagerzwecken einfaltbar- mit mehreren Klebestellen gehalten ist. Wenn die Trägerfolie (z.B. Aluminiumfolie) des Innenfutters selbst nicht verschweissbar ist, so ist die Trägerfolie innenseitig mit einer Siegelschicht, z.B. Heisssiegelschicht, versehen, um später die obere und untere Siegelfuge herstellen zu können.A known folding box (GB-A No. 1022538) of the type described above, in contrast to sheet metal or plastic containers, has the basic advantage that it can be delivered and stored in a space-saving manner when folded. After being used, the emptied folding box can be effortlessly compressed, again stored in a space-saving manner, and can also be burned or rotten with little residue. The inner lining consists of a foil-like material such as Polyethylene film or aluminum film. The inner lining has an outwardly projecting longitudinal sealing joint, so that there is a tubular structure which is initially open on the bottom and lid sides and which is held on the inner wall surface of the approximately tubular cardboard or cardboard folding jacket with a plurality of adhesive locations, which can be folded together for storage purposes . If the carrier foil (e.g. aluminum foil) of the inner lining itself cannot be welded, the carrier foil is covered on the inside with a sealing layer, e.g. Heat seal layer, provided so that the upper and lower sealing joints can be made later.

Die von der GB-A Nr. 1022538 bekannte Faltschachtel verfügt über einen seitlich neben der oberen Siegelfuge eingesiegelten verschliessbaren deckelseitigen Auslaufstutzen, der eine Teilmengenabgabe mit nachfolgendem Wiederverschluss gestattet, was bei einer Vielzahl von oxydierbaren oder hygroskopischen schüttfähigen Gütern erwünscht und vorteilhaft ist. Jedoch ist bei der bekannten Faltschachtel die Einsiegelung des seitlich neben der oberen Siegelfuge in einem gesonderten Durchbruch des Innenfutters eingesteckten Auslaufstutzens problematisch. Hierzu benötigt nämlich das Siegelwerkzeug ein unteres Widerlager, das einen erheblichen maschinellen Aufwand bedingt.The folding box known from GB-A No. 1022538 has a closable lid-side outlet nozzle sealed next to the upper sealing joint, which allows partial delivery with subsequent reclosure, which is desirable and advantageous for a large number of oxidizable or hygroscopic pourable goods. However, in the known folding box, the sealing of the spout inserted laterally next to the upper sealing joint in a separate opening in the inner lining is problematic. For this purpose, the sealing tool requires a lower abutment, which requires considerable mechanical effort.

Ausgehend von der eingangs beschriebenen bekannten Faltschachtel (GB-A Nr. 1022538) dieser Gattung, liegt der Erfindung im Bewusstsein der Nachteile des Bekannten die Aufgabe zugrunde, eine Faltschachtel zu schaffen, welche mit insgesamt einfachen Mitteln einen wiederverwendbaren flüssigkeits- und gasdichten Verschluss gestattet. Entsprechend der Erfindung wurde diese Aufgabe dadurch gelöst, dass der Auslaufstutzen in der Siegelfuge des Innenfutters eingesiegelt ist, und dass der Auslaufstutzen an seiner Aussenmantelfläche mindestens einen zwickelförmigen Ansatz aufweist, der, eine zwikkelförmige Übergangslücke zwischen Futterfolie und Auslaufstutzen ausfüllend, mit seiner freien Zwickelkante in die Siegelfuge hineinragt.Starting from the known folding box (GB-A No. 1022538) of this type described at the outset, the invention is aware of the disadvantages of the known, the task of creating a folding box that allows a reusable liquid and gas-tight seal with overall simple means. According to the invention, this object was achieved in that the outlet nozzle is sealed in the sealing joint of the inner lining, and in that the outlet nozzle has at least one gusset-shaped shoulder on its outer lateral surface, which, filling a zig-zag transition gap between the lining film and outlet nozzle, has its free gusset edge in the Seal joint protrudes.

Entsprechend der Erfindung wird, während die deckelseitige Siegelfuge des Innenfutters hergestellt wird, zugleich ein zuvor in die Fugenöffnung eingesteckter Auslaufstutzen eingesiegelt. Die Erfindung benötigt daher keine gesondert einzubringende Durchstecköffnung für den Auslaufstutzen. Das Einsiegeln geschieht zweckmässig mittels zweier zusammenfahrbarer und gegeneinander drückbarer beheizter Siegelbackenwerkzeuge. Ein hinsichtlich des Arbeitsablaufs und maschinell aufwendiges unteres Widerlager ist bei der Realisierung der Erfindung von Haus aus überflüssig. Mit der Schaffung der erfindungsgemässen Faltschachtel waren indes erhebliche Schwierigkeiten zu überwinden, da der Auslaufstutzen zunächst nicht in allen Fällen völlig flüssigkeits- und gasdicht in der Siegelfuge eingesiegelt werden konnte. Dieses zusätzliche Problem hat die Erfindung unter Beibehaltung einer einfachen Bauform dadurch gelöst, dass der Auslaufstutzen an seiner Aussenmantelfläche mindestens einen zwickelförmigen Ansatz aufweist, der, eine zwickelförmige Übergangslücke zwischen Futterfolie und Auslaufstutzen ausfüllend, mit seiner freien Zwickelkante in die Siegelfuge hineinragt. Aufgrund der vorbeschriebenen erfindungsgemässen Merkmale ist es möglich geworden, die sich an den Auslaufstutzen anschliessenden Übergangsstellen der Siegelfuge völlig flüssigkeits- und gasdicht zu versiegeln.According to the invention, while the cover-side sealing joint of the inner lining is being produced, an outlet nozzle previously inserted into the joint opening is sealed at the same time. The invention therefore does not require a push-through opening to be introduced separately for the outlet connection. The sealing is expediently carried out by means of two heated sealing jaw tools which can be moved together and pressed against one another. A lower abutment, which is complex in terms of workflow and mechanically, is inherently superfluous in realizing the invention. However, considerable difficulties had to be overcome with the creation of the folding box according to the invention, since the outlet connection could not initially be sealed in the sealing joint in a completely liquid-tight and gas-tight manner. The invention has solved this additional problem while maintaining a simple design in that the outlet spigot has at least one gusset-shaped shoulder on its outer surface, which, filling a gusset-shaped transition gap between the lining film and the outlet spigot, projects into the sealing joint with its free gusset edge. On the basis of the features according to the invention described above, it has become possible to seal the transition points of the sealing joint which adjoin the outlet connection piece in a completely liquid-tight and gas-tight manner.

Es soll nicht unerwähnt bleiben, dass unter dem Begriff Siegelfuge alle vergleichbaren Fugen, wie Schweissfugen, Heisssiegelfugen oder Klebefugen zu subsummieren sind.It should not go unmentioned that all comparable joints, such as welded joints, heat-sealed joints or adhesive joints, should be subsumed under the term sealed joint.

Für den Fall, dass der Auslaufstutzen unmittelbar an einem Ende der deckelseitigen Fugenöffnung des Innenfutters eingesetzt wird, kann es genügen, dass der Auslaufstutzen an seiner Aussenmantelfläche lediglich einen zur Schachtelmitte hin in die Siegelfuge hineinragenden zwickelförmigen Ansatz aufweist. Für den Fall, dass der Auslaufstutzen nur ein wenig entfernt von einem Fugenende angeordnet ist, hat es sich entsprechend weiteren Erfindungsmerkmalen als zweckmässig herausgestellt, an der Aussenmantelfläche des Auslaufstutzens an zwei diametral gegenüberliegenden Stellen je einen zwickelförmigen Ansatz vorzusehen. Die beiden diametral voneinander weg weisenden zwickelförmigen Ansätze rangen sodann - jeder zwickelförmige Ansatz für sich - in die angrenzende Siegelfuge hinein, indem die jeweilige zwickelförmige Lücke in der Siegelfuge dichtend ausgefüllt wird.In the event that the outlet nozzle is inserted directly at one end of the lid-side joint opening of the inner liner, it may be sufficient for the outlet nozzle to have only a gusset-shaped extension on its outer surface that protrudes toward the middle of the box into the sealing joint. In the event that the outlet nozzle is arranged only a little away from one end of the joint, it has proven to be expedient, according to further features of the invention, to provide a gusset-shaped attachment on the outer lateral surface of the outlet nozzle at two diametrically opposite points. The two diametrically opposite gusset-shaped approaches then penetrated - each gusset-shaped approach by themselves - into the adjacent sealing gap by sealingly filling the respective gusset gap in the sealing gap.

Als vorteilhaft hat es sich herausgestellt, dass der zwickelförmige Ansatz als einstückig-stoffschlüssiger Bestandteil des ein Kunststoffspritzgussteil bildenden Auslaufstutzens mit sich beidseitig parallel zur freien Zwickelkante erstreckenden konkaven Anschlussbereichen geschmeidig in die Aussenmantelfläche des Auslaufstutzens übergeht. Die geschmeidigen Übergänge ermöglichen zusätzlich ein dichtes Anlegen der Futterfolie an den Auslaufstutzen während des Siegelvorgangs. Für den Fall, dass eine Verschweissung zwischen der Innenbeschichtung der Futterfolie bzw. zwischen der Folie selbst und dem Auslaufstutzenbereich der Siegelfolie beabsichtigt ist, hat es sich als zweckmässig herausgestellt, Werkstoffgleichheit vorzusehen. So können beispielsweise die Futterfolien selbst und deren Innenbeschichtung sowie der Auslaufstutzen selbst aus Polyäthylen bestehen.It has been found to be advantageous that the gusset-shaped attachment, as a one-piece, integral part of the outlet connector forming a plastic injection-molded part, smoothly merges into the outer lateral surface of the outlet connector with concave connection areas extending on both sides parallel to the free gusset edge. The smooth transitions also allow the lining film to be applied tightly to the outlet nozzle during the sealing process gangs. In the event that welding is intended between the inner coating of the lining film or between the film itself and the outlet connection area of the sealing film, it has proven to be expedient to provide the same material. For example, the lining foils themselves and their inner coating as well as the outlet spout itself can be made of polyethylene.

Um einerseits eine hinreichende Abdichtung des Auslaufstutzens innerhalb der Siegelfuge zu erzielen, andererseits aber eine schädliche Überdehnung der Futterfolie an den dem zwickelförmigen Ansatz oder den zwickelförmigen Ansätzen entfernten Stellen zu vermeiden, sieht die Erfindung weiterhin vor, dass die Aussenmantelfläche des Auslaufstutzens zumindest an den jeweils etwa 90 oder 180 Umfangsgrad vom zwickelförmigen Ansatz entfernten Stellen eine konvex gerundete Querschnittskontur aufweist. Am einfachsten lassen sich diese Erfindungsmerkmale dadurch erfüllen, dass die den zwickelförmigen Ansatz bzw. die zwickelförmigen Ansätze tragende Aussenmantelfläche des Auslaufstutzens im wesentlichen eine kreisförmige Querschnittskontur besitzt.In order on the one hand to achieve a sufficient seal of the outlet nozzle within the sealing joint, but on the other hand to avoid damaging overstretching of the lining film at the points remote from the gusset-shaped attachment or the gusset-shaped attachments, the invention further provides that the outer jacket surface of the outlet connector at least at the approximately 90 or 180 degrees of circumference from the gusset-shaped attachment has a convexly rounded cross-sectional contour. The simplest way of fulfilling these features of the invention is that the outer circumferential surface of the outlet connector which carries the gusset-shaped attachment or the gusset-shaped attachments essentially has a circular cross-sectional contour.

Zur Erzielung einer optimalen Dichtwirkung ist es ausserdem zweckmässig, wenn die parallel zur Mittellängsachse des Auslaufstutzens gemessene axiale Länge eines jeden zwickelförmigen Ansatzes etwa der Breite der Siegelfuge entspricht.In order to achieve an optimal sealing effect, it is also expedient if the axial length of each gusset-shaped attachment measured parallel to the central longitudinal axis of the outlet connector corresponds approximately to the width of the sealing joint.

Das die Auslauföffnung des Auslaufstutzens verschliessende lösbare Verschlussteil kann aus einer an sich bekannten Gewindekappe oder z.B. aus einer Schnappverrastkappe oder aus einem an sich bekannten schnappverrastbaren Stopfen bestehen. Für den Fall, dass das Verschlussteil eine Gewindekappe ist, muss ein Verwürgen des folienhaften Innenbehälters beim Abschrauben der Gewindekappe vermieden werden. Zu diesem Zweck sieht die Erfindung vor, dass der Auslaufstutzen zwischen Siegelfuge und seiner Auslauföffnung oder unterhalb der Siegelfuge (in letztem Falle: innerhalb des Innenfutters) angeordnete Verdrehsicherungsflächen bildet.The releasable closure part which closes the outlet opening of the outlet nozzle can be made of a threaded cap known per se or e.g. consist of a snap-lock cap or a known snap-lock plug. In the event that the closure part is a threaded cap, gagging of the film-like inner container when unscrewing the threaded cap must be avoided. For this purpose, the invention provides that the outlet connection between the sealing joint and its outlet opening or below the sealing joint (in the latter case: inside the inner lining) forms anti-rotation surfaces.

Weitere Erfindungsmerkmale ergeben sich aus zusätzlichen Unteransprüchen sowie aus den Zeichnungen in Verbindung mit der Zeichnungsbeschreibung.Further features of the invention result from additional subclaims and from the drawings in conjunction with the description of the drawings.

In den Zeichnungen sind bevorzugte Ausführungsbeispiele entsprechend der Erfindung näher dargestellt. Es zeigen:

  • Fig. 1 eine Faltschachtel mit aufgeklappten Deckelteilen des Karton- bzw. Papp-Faltmantels,
  • Fig. 2 einen Querschnitt durch den Auslaufstutzen entsprechend der Schnittlinie 11-11 in Fig. 1,
  • Fig. 3 eine Schnittansicht durch den Auslaufstutzen entsprechend der abgeknickten Schnittlinie 111-111 in Fig. 2,
  • Fig. 4 eine Faltschachtel im geschlossenen Zu stand mit einem Stauraum zur Aufnahme des Auslaufstutzens, und
  • Fig. 5 eine andere Ausführungsform, bei welcher der mit eine Verschlusskappe versehene Auslaufstutzen über den Deckelbereich des Karton- bzw. Pappmantels hinausragt und dort arretiert ist.
Preferred exemplary embodiments according to the invention are shown in more detail in the drawings. Show it:
  • 1 is a folding box with opened lid parts of the cardboard or cardboard folding jacket,
  • 2 shows a cross section through the outlet connection according to section line 11-11 in FIG. 1,
  • 3 shows a sectional view through the outlet connection according to the bent cutting line 111-111 in FIG. 2,
  • Fig. 4 is a folding box in the closed to stand with a storage space for receiving the spout, and
  • Fig. 5 shows another embodiment in which the outlet nozzle provided with a sealing cap projects beyond the lid area of the cardboard or cardboard jacket and is locked there.

Die in Fig. 1 dargestellte Faltschachtel für Flüssigkeiten ist insgesamt mit der Bezugsziffer 10 bezeichnet.The folding box for liquids shown in FIG. 1 is designated overall by the reference number 10.

Die Faltschachtel 10 besteht zunächst aus einem etwa rohrförmigen Faltmantel 11 aus Pappe oder aus Karton, welcher boden- und deckelseitig anklapp- und anklebbare Faltlappen aufweist. Aus Fig. 1 sind nur die deckelseitigen Faltlappen 12, 13, 14 und 15 zu ersehen.The folding box 10 initially consists of an approximately tubular folding jacket 11 made of cardboard or cardboard, which has folding tabs that can be folded and glued on the bottom and lid side. From Fig. 1 only the lid-side folding tabs 12, 13, 14 and 15 can be seen.

Innerhalb des etwa rohrförmigen Faltmantels 11 aus Karton oder Pappe ist ein im wesentlichen schlauchförmiges boden- und deckelseitig einfalt- und mit je einer Siegelfuge verschliessbares Innenfutter 16 aus folienhaftem Werkstoff gehalten. Die Siegelfuge 17, welche z.B. von einem Heisssiegelkleber ausgefüllt wird, befindet sich zwischen zwei deckelseitigen Siegelrändern 18 und 19 des schlauchförmigen Innenfutters 16.Inside the approximately tubular folded jacket 11 made of cardboard or cardboard, an essentially tubular bottom and lid side is folded and held with a sealing joint, each with an inner lining 16 made of film-like material. The sealing joint 17, which e.g. is filled by a heat seal adhesive, is located between two sealing edges 18 and 19 of the tubular inner lining 16 on the cover side.

In der Siegelfuge 17 eingesiegelt (vgl. insbesondere Fig. 2 und 3) ist ein aus Kunststoff (z.B. Polyäthylen) bestehender, insgesamt mit 20 bezeichneter Auslaufstutzen, welcher mittels einer Schraubkappe 21 verschliessbar ist.Sealed in the sealing joint 17 (cf. in particular FIGS. 2 and 3) is an outlet spout made of plastic (e.g. polyethylene), designated overall by 20, which can be closed by means of a screw cap 21.

Wie aus Fig. 3 ersichtlich, weist der Auslaufstutzen 20 zu diesem Zweck einen mit Aussengewinde versehenen Ansatz 22 auf, auf welchen die aus Fig. 1 ersichtliche Schraubkappe 21 (s. ebenfalls Fig. 5) aufschraubbar ist.For this purpose, as can be seen from FIG. 3, the outlet connection 20 has an attachment 22 provided with an external thread, onto which the screw cap 21 shown in FIG. 1 (see also FIG. 5) can be screwed.

Ein wesentlicher Bereich des Auslaufstutzens 20 besteht aus seiner Aussenmantelfläche 23, welche eine hauptsächlich kreisförmige Querschnittskontur aufweist. Aus der Aussenmantelfläche 23 des ein Kunststoffspritzgussteil bildenden Auslaufstutzens 20 ragt jeweils an zwei diametral gegenüberliegenden Stellen ein einstückig und stoffschlüssig angeschlossener zwickelförmiger Ansatz 24 hervor. Aus Fig. 2 ist besonders deutlich zu ersehen, dass jeder zwickelförmiger Ansatz 24, eine nicht weiter bezeichnete zwickelförmige Übergangslücke zwischen den Siegelrändern 18, 19 und dem Auslaufstutzen 20 ausfüllend, mit seiner jeweiligen freien Zwickelkante 35 in die Siegelfuge 17 hineinragt.An essential area of the outlet connector 20 consists of its outer lateral surface 23, which has a mainly circular cross-sectional contour. From the outer lateral surface 23 of the outlet connector 20 forming a plastic injection molded part, a gusset-shaped attachment 24 protrudes in one piece and is integrally connected at two diametrically opposite points. It can be seen particularly clearly from FIG. 2 that each gusset-shaped attachment 24, filling a gusset-shaped transition gap between the sealing edges 18, 19 and the outlet connection 20, which is not further specified, projects with its respective free gusset edge 35 into the sealing joint 17.

Aus Fig. 2 ist gleichfalls deutlich zu ersehen, dass jeder zwickelförmige Ansatz 24 mit sich beidseitig parallel zur freien Zwickelkante 35 erstrekkenden konkaven Anschlussbereichen 25, 26 geschmeidig in die Aussenmantelfläche 23 des Auslaufstutzens 20 übergeht. Diese Zwickelausbildung mit den geschmeidigen Übergangsstellen gestattet ein sattes flüssigkeits- und gasdichtes Einsiegeln mit der Aussenmantelfläche 23 des Auslaufstutzens 20 in die Siegelfuge 17.It can also be clearly seen from FIG. 2 that each gusset-shaped extension 24 with concave connection regions 25, 26 extending parallel on both sides to the free gusset edge 35 smoothly merges into the outer lateral surface 23 of the outlet connector 20. This gusset design with the smooth transition points allows a liquid and gas-tight sealing with the outer surface 23 of the outlet connector 20 into the sealing joint 17.

Zur Erzielung hinreichender Dichtlängen hat es sich, wie aus Fig. 3 besonders deutlich ersichtlich ist, als zweckmässig erwiesen, die axiale Länge 1 eines jeden zwickelförmigen Ansatzes 24 etwa gleich der Breite b der Siegelfuge 17 zu wählen.In order to achieve sufficient sealing lengths, it has proven expedient, as can be seen particularly clearly from FIG. 3, to choose the axial length 1 of each gusset-shaped extension 24 approximately equal to the width b of the sealing joint 17.

Es ist vorstellbar, dass der Auslaufstutzen 20 infolge der Flexibilität des Innenfutters 16 insgesamt raumgelenkig am Innenfutter 16 durch die Versiegelung befestigt ist. Diese Anordnung gestattet grundsätzlich ein Ein- und Ausschwenken entsprechend dem in Fig. 1 mit y bezeichneten gekrümmten Doppelpfeil. Diese erfindungsgemässe Anordnung gestattet grundsätzlich zwei verschiedene Ausführungsformen. Einmal die Ausführungsform gemäss Fig. 4, gemäss welcher der Auslaufstutzen 20 entlang dem Pfeil y nach innen eingeschwenkt und innerhalb eines deckelseitig freien Stauraums innerhalb des Faltmantels 11 der Faltschachtel 10 eingelagert und die Deckelanordnung sodann verschlossen wird. Soll die Faltschachtel gemäss Fig. 4 geöffnet werden, so genügt es, die Aufreisslasche 27 entsprechend dem Pfeil z wegzureissen, worauf der Auslaufstutzen 20 mit Schraubkappe 21 sichtbar wird und entlang dem Pfeil y in eine Gebrauchsstellung nach oben versetzt bzw. herausgezogen werden kann. In der Gebrauchsendstellung stützen sich Schlüsselflächen 28 an den gabelförmigen Laibungen 29, 30 der deckelseitigen Faltlappen 12, 15 ab und bilden somit einen Schutz gegen ein unbeabsichtigtes Verwürgen der Verschlussstelle.It is conceivable that the outlet connection 20 is, due to the flexibility of the inner liner 16, attached to the inner liner 16 by the seal in a space-articulated manner. This arrangement basically allows swiveling in and out speaking of the curved double arrow denoted by y in FIG. 1. This arrangement according to the invention basically allows two different embodiments. Firstly, the embodiment according to FIG. 4, according to which the outlet connection 20 is pivoted inward along the arrow y and is stored within a free storage space on the cover side within the folded casing 11 of the folding box 10 and the cover arrangement is then closed. 4, it is sufficient to tear off the tear-open tab 27 according to the arrow z, whereupon the outlet connection 20 with the screw cap 21 is visible and can be moved up or out along the arrow y into a position of use. In the end-of-use position, key surfaces 28 are supported on the fork-shaped soffits 29, 30 of the cover-side folding tabs 12, 15 and thus form a protection against inadvertent gagging of the locking point.

Die zwischen der Auslauföffnung 31 und der Siegelfuge 17 angeordneten Schlüsselflächen 28 werden insgesamt von einem schraubenkopfartigen Sechskant 32 gebildet, an dessen Kanten, etwa mittig in axialer Höhe x der Schlüsselflächen 28, nutförmige Vertiefungen 33 vorgesehen sind. In diesen nutförmigen Vertiefungen 33 können die gabelförmigen Laibungen 29, 30 der dekkelseitigen Faltlappen 12, 15 eingreifen, so dass auf diese Weise eine Axialsicherung des Sechskants 32 - und damit dessen anhaltende Verdrehsicherung - bewirkt wird.The key surfaces 28 arranged between the outlet opening 31 and the sealing joint 17 are formed overall by a screw head-like hexagon 32, on the edges of which groove-shaped depressions 33 are provided, approximately in the center at the axial height x of the key surfaces 28. The fork-shaped reveals 29, 30 of the cover-side folding tabs 12, 15 can engage in these groove-shaped recesses 33, so that in this way an axial securing of the hexagon 32 - and thus its continued protection against rotation - is brought about.

Die in Fig. 5 dargestellte andere Ausführungsform zeigt eine Faltschachtel 10a, bei welcher der Auslaufstutzen 20 mit Gewindeschraubkappe 21 von Anfang an von aussen her zugänglich ist. Der Karton- bzw. Faltmantel 11 braucht daher beim Ausführungsbeispiel gemäss Fig. 5 keinen gesonderten Stauraum zur Aufnahme des ansonsten gemäss Fig. 4 eingeknickt eingelagerten Auslaufstutzens 20 aufzuweisen. Im übrigen unterscheidet sich die Deckelanordnung des Faltmantels 11 gegenüber dem Ausführungsbeispiel gemäss Fig. nur dadurch, dass von Anfang an keine Aufreisslasche 27 vorgesehen ist. Als Verdrehsicherung weist der Auslaufstutzen 20 entsprechend dem Ausführungsbeispiel gemäss Fig. 5 einen im wesentlichen plattenförmigen Ansatz 34 (nur teilweise dargestellt) auf, welcher sich in nicht dargestellter Weise an der Innenmantelfläche des Karton- bzw. Papp-Faltkörpers 11 abstützt und so eine Sicherung gegen Verwürgen der Verschlussanordnung mit dem Auslaufstutzen 20 bewirkt. Entsprechend kann der plattenförmige Ansatz 34 auch unterhalb der Siegelfuge 17 am Auslaufstutzen 20 angeordnet sein und sich unter Zwischenschaltung des Innenfutters 16 an den Innenwandflächen des Faltmantels 11 drehsichernd abstützen.The other embodiment shown in FIG. 5 shows a folding box 10a, in which the outlet nozzle 20 with threaded screw cap 21 is accessible from the outside from the beginning. In the exemplary embodiment according to FIG. 5, the cardboard or folding jacket 11 therefore does not need to have any separate storage space for accommodating the outlet connection 20 which is otherwise kinked according to FIG. 4. Otherwise, the lid arrangement of the folding jacket 11 differs from the exemplary embodiment according to FIG. Only in that no tear-open tab 27 is provided from the beginning. 5 has an essentially plate-shaped extension 34 (only partially shown), which is supported in a manner not shown on the inner circumferential surface of the cardboard or cardboard folding body 11 and thus protects against rotation Gagging the closure arrangement with the outlet nozzle 20 causes. Correspondingly, the plate-shaped extension 34 can also be arranged below the sealing joint 17 on the outlet connection 20 and, with the interposition of the inner liner 16, can be supported on the inner wall surfaces of the folded jacket 11 in a rotationally securing manner.

Es ist im übrigen auch möglich, die Auslauföffnung 31 des ggf. zuvor eingesiegelten Auslaufstutzens 20 als Füllöffnung zur Einbringung des Füflguts zu verwenden.It is also possible, moreover, to use the outlet opening 31 of the possibly previously sealed-in outlet connector 20 as a filling opening for introducing the product to be filled.

Die Mittellängsachse des Auslaufstutzens 20 ist mit a bezeichnet.The central longitudinal axis of the outlet nozzle 20 is designated by a.

Claims (12)

1. Folding box (10) for loose goods, especially for liquids, with a somewhat tube-shaped folding casing (11) of cardboard or paperboard, having a foldable flap closing the bottom side and lid side (12, 13, 14, 15), in which is contained a substantially tube-shaped inner lining (16), consisting of a film-like material which can be folded on the bottom side and lid side and is closable by a sealed joint, on the lid side of which is sealed in an outlet connection (20) provided on one side with a closure part, characterised in that the outlet connection (20) is sealed into the sealed joint of the inner lining (16) and that the outlet connection (20) has on its outer surface (23) at least one wedge-shaped projection (24) which, filling a wedge-shaped transitional gap between lining film (18, 19) and outlet connection (20), projects with its free wedge edge (35) into the sealed joint (17).
2. Folding box according to Claim 1, characterised in that the wedge-shaped projection (24) passes over flexibly as a one-piece self-substance component of the outlet connection (20) forming a synthetic-resin injection-moulded part with concave connection zones (25, 26) extending on both sides, parallel to the free wedge edge (35), into the outer surface (23) of the outlet connection (20).
3. Folding box according to one of Claims 1 or 2, characterised in that the outer surface (23) of the outlet connection (20) has a convex-rounded cross-sectional contour at least on each of the places distanced about 90 or 180° from the wedge-shaped projection (24).
4. Folding box according to Claim 3, characterised in that the outer surface (23) of the outlet connection (20) forming the wedge-shaped projection has an essentially circular cross-sectional contour.
5. Folding box according to one of Claims 1 to 4, characterised in that on the outer surface (23) of the outlet connection (20) is provided a wedge-shaped projection (24) on each of two diametrically opposite lying places.
6. Folding box according to one of Claims 1 to 5, characterised in that the axial length (I) of one of the wedge-shaped projections (24) corresponds substantially to the breadth (b) of the sealed joint (17).
7. Folding box according to one of Claims 1 to 6, characterised in that the outlet connection (20) forms surfaces (28) preventing twisting arranged between sealed joint (17) and its outlet opening (31).
8. Folding box according to Claim 7, characterised in that the surfaces preventing twisting form key-surfaces (28) of a regular hexagon (32).
9. Folding box according to one of Claims 7 or 8, characterised in that, substantially in the middle at an axial height (x) of the key-surfaces (28), slot-shaped recesses (33) for the reception of inner edge-zones (at 29 and 30) each receive a stop opening provided in at least one lid-side cardboard or paperboard folding flap (12 and 19).
10. Folding box according to one of Claims 7 to 9, characterised in that the surfaces preventing twisting are formed from at least one substantially plate-shaped projection (34), projecting substantially radially with regard to the middle longitudinal axis (a) of the outlet connection (20) which supports against at least one inner wall- surface of the cardboard or paperboard casing (11).
11. Folding box according to Claim 10, characterised in that the plate-shaped projection (34) has a substantially rectangular basic shape and is supported against at least two oppositely lying inner wall-surfaces of the cardboard or paperboard folding casing.
12. Folding box according to one of Claims 1 to 11, characterised in that the folding box (10) forms on the inside a package space for the reception of the outlet connection (20) with its connection part onto the lining film (18, 19) inserted with a turn of about 90° (at y) towards the inside.
EP82103385A 1981-05-14 1982-04-22 Folding box for loose goods, especially for liquids Expired EP0066077B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82103385T ATE9978T1 (en) 1981-05-14 1982-04-22 FOLDING BOX FOR PULLABLE GOODS, ESPECIALLY FOR LIQUIDS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3119140A DE3119140C2 (en) 1981-05-14 1981-05-14 Folding box for loose goods, especially for liquids
DE3119140 1981-05-14

Publications (2)

Publication Number Publication Date
EP0066077A1 EP0066077A1 (en) 1982-12-08
EP0066077B1 true EP0066077B1 (en) 1984-10-24

Family

ID=6132271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103385A Expired EP0066077B1 (en) 1981-05-14 1982-04-22 Folding box for loose goods, especially for liquids

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EP (1) EP0066077B1 (en)
AT (1) ATE9978T1 (en)
DE (2) DE3119140C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3244762C1 (en) * 1982-12-03 1984-08-16 Hermetic-Verpackung GmbH & Co KG, 5600 Wuppertal Folding box for pourable products, in particular for liquids
DE3425833C2 (en) * 1984-07-13 1986-07-17 Hermetic-Verpackung GmbH & Co KG, 5600 Wuppertal Folding box for loose goods, especially for liquids
DE3910680A1 (en) * 1988-05-09 1989-11-23 Henkel Kgaa PACKAGING CONTAINER AND METHOD FOR FILLING AND COMMISSIONING THE CONTAINER
DE3836068A1 (en) * 1988-10-22 1990-04-26 Henkel Kgaa PACKAGING CONTAINER FOR RECEIVING A FLOWABLE PRODUCT
DE3836069C1 (en) * 1988-10-22 1989-12-07 Henkel Kgaa, 4000 Duesseldorf, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH352277A (en) * 1958-10-09 1961-02-15 Frame Sa Container
GB1022538A (en) * 1962-11-21 1966-03-16 Reed Paper Group Ltd Improvements in or relating to portable containers
DE1942462U (en) * 1965-03-04 1966-07-14 Pembroke Carton & Printing Com FEEDED BOX.
FR1551068A (en) * 1967-09-27 1968-12-27
FR2456054A1 (en) * 1979-05-11 1980-12-05 Erb Rene Pack for liquid product - has rigid container for foil bag with neck held in inclined top plate to allow air escape on filling
DE2948944A1 (en) * 1979-12-05 1981-06-11 Carl Edelmann Gmbh, 7920 Heidenheim BI-sectional packaging for fluids - has internal bag with top pouring spout socket with re-closable seal

Also Published As

Publication number Publication date
DE3261039D1 (en) 1984-11-29
EP0066077A1 (en) 1982-12-08
DE3119140C2 (en) 1984-05-17
DE3119140A1 (en) 1982-12-02
ATE9978T1 (en) 1984-11-15

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