EP0432614B1 - Packaging container made of flexible material in the form of a bag - Google Patents

Packaging container made of flexible material in the form of a bag Download PDF

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Publication number
EP0432614B1
EP0432614B1 EP90123161A EP90123161A EP0432614B1 EP 0432614 B1 EP0432614 B1 EP 0432614B1 EP 90123161 A EP90123161 A EP 90123161A EP 90123161 A EP90123161 A EP 90123161A EP 0432614 B1 EP0432614 B1 EP 0432614B1
Authority
EP
European Patent Office
Prior art keywords
packaging container
lateral
container according
edges
fold
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 - Lifetime
Application number
EP90123161A
Other languages
German (de)
French (fr)
Other versions
EP0432614A1 (en
Inventor
Hans-Jürgen Brönstrup
Klaus Huckriede
Norbert Kötter
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.)
Bischof and Klein SE and Co KG
Original Assignee
Bischof and Klein SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bischof and Klein SE and Co KG filed Critical Bischof and Klein SE and Co KG
Priority to AT90123161T priority Critical patent/ATE89798T1/en
Publication of EP0432614A1 publication Critical patent/EP0432614A1/en
Application granted granted Critical
Publication of EP0432614B1 publication Critical patent/EP0432614B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14—Valve bags, i.e. with valves for filling
    • B65D31/142—Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5866—Integral spouts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S383/00—Flexible bags
    • Y10S383/906—Dispensing feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S383/00—Flexible bags
    • Y10S383/907—Peculiar, particular shape

Definitions

  • the invention relates to a packaging container made of flexible material in the form of a sack or bag, with a bottom end and a head end and with a front wall and a rear wall, which lie flat against one another in the empty state of the packaging container and are connected to one another at their side edges via folded edges, the side edges in Area of the bottom end have a parallel to each other and in a region extending from this to the head end have a converging course.
  • the invention has for its object to provide a packaging container of the specified type with increased capacity and well-contoured packaging form in the filled state, without thereby reducing the formation of the bottom end complicated and the space requirement of the packaging container is increased when empty.
  • this object is achieved according to the invention in that a side fold extending across the converging region of the side edges is inserted between the front wall and the rear wall at the side edges thereof, whose inner folding edge is arranged in the extension of the associated side edge folding edge of the parallel region of the side edges.
  • the capacity of a bag contour given when the packaging container is empty is increased by spreading the side gussets flat and pushing them outwards, so that the packaging container also has a clear outer contour with an approximately rectangular cross-section in this area with the involvement of the pronounced outer folded edges the gussets get.
  • its space requirement is not increased due to the material of the side folds lying between the front and rear walls, so that the packaging container can be shipped and stored in a space-saving manner.
  • a complication of the formation of the bottom end by the inserted side folds is avoided in the embodiment according to the invention in that the side folds do not extend to the bottom edge, but end at a distance above it.
  • the bottom region with its side edges aligned parallel to one another can therefore be processed with little effort in the manner customary in the case of gusseted bag or bag hose pieces to form a suitable bottom closure.
  • This bottom closure can be, for example, a cross bottom known per se, into which a filling valve for filling the packaging container can be incorporated from the bottom end. Instead, the bottom end can initially be open for filling the packaging container trained and closed after filling in a simple manner by a folding, winding or the like. Bottom.
  • a good stability of the filled packaging container is achieved by the base formation in connection with the bottom area which forms a cuboid shape when the packaging container is filled.
  • the adjoining part of the packaging container which tapers towards the head end and is approximately frustum-shaped in the filled state of the packaging container, offers increased wearing comfort in the head end of the packaging container, which is preferably designed as a supporting part, for example by means of a stamped-in handle opening.
  • the packaging container shown in the drawing can consist of any suitable flexible or foldable material, such as is used in the manufacture of sacks or bags. These are, in particular, paper, plastic films, laminates or fabrics, such as plastic ribbon fabrics, in one or more layers.
  • the packaging container 1 has a single-layer design and consists, for example, of one plastic-coated paper, wherein the material connections for producing the bag-shaped or sack-shaped packaging container can be formed by welded or glued seams.
  • the packaging container 1 has a cross bottom 3 which closes the bag tube at the bottom end 2 and which, in the usual manner, includes corner inserts 4 and bottom side envelopes 5 which overlap in the center of the bottom, and an outer bottom cover sheet 6.
  • the cross bottom 3 is provided with a filling valve 7 which, in a manner known per se, can be designed as an automatically closing internal valve under the pressure of the filled product or can have any other suitable embodiment.
  • the head end 8 of the packaging container 1 forms a support part 10 by means of a finger hole 9, which is separated by a transverse seam 11 from the filling space of the packaging container, which accordingly occupies the space between the cross base 3 and the transverse seam 11.
  • the upper, outer end forms a transverse seam 12 which, like the transverse seam 11, extends over the entire packaging width.
  • the front wall 13 and the rear wall 14 of the bag tube lie flat against one another and are connected to one another at their two side edges via folded edges 15 and 16, 17 and 18, respectively.
  • the side edges of the bag tube with their folded edges 15 have a course oriented parallel to one another.
  • the side edges of the bag tube with their folded edges 16, 17, 18 have a course converging towards the head end 8.
  • the fold edges 16, 17, 18 each define a side fold 20 or 21 in the converging region of the side edges, the inner fold edge 16 of which is arranged in each case as an extension of the fold edge 15 of the parallel region of the side edges.
  • the converging area of the side margins with the gussets 20 and 21 is limited to the upper two thirds of the height of the packaging container 1 and, in the exemplary embodiment shown in FIGS. 1 to 3, lies at a distance corresponding approximately to the width of the cross base 3 from the bottom plane 22 shown in broken lines in FIG the cross bottom 3 in the filled state of the packaging container 1, swiveling through 90 ° from the front wall 13, against which it rests in the empty state with one half.
  • the inner fold edge 16 of the side folds 20 and 21 is more inclined to the longitudinal center plane 23 of the packaging container 1 than the associated outer fold edges 17, 18 of the respective side fold 20 or 21.
  • the insertion depth of each side fold 20, 21 increases evenly from its starting point 19 and reaches its maximum value at the end seam 12 of the head end 8, through which both side folds 20, 21 continue.
  • the side folds 20, 21 are welded flat together and have no influence on the spatial shape of the filled packaging container, as can be seen from FIG. 2.
  • the flat spreading of the side gussets 20 and 21 is limited to the filling space of the packaging container 1 and takes place under the pressure of the filling material filled through the filling valve 7.
  • the insertion depth of the side folds 20, 21 in the region adjacent to the transverse seam 11 has a dimension corresponding to half the width of the cross base 3.
  • the footprint of the filled packaging container 1 has a rectangular contour, which is defined by the corner points 24 of the bottom side envelopes 5 of the cross base 3, which are located opposite one another in pairs.
  • the outer triangular corners 25 fold into the side surfaces of the packaging container that are formed, in which the flat-spread side folds 20 and 21 with V-shaped outer folding edges 17, 18 that open into the attachment points 19 are also included.
  • the length of the transverse seam 11 closing the filling space is shorter than the length in order to achieve a truncated pyramidal shape of the packaging container in the area above the gusset starting points 19 the rectangular base of the packaging container formed by the cross base 3.
  • a more prismatic or cuboid shape in this area is formed in the filled state of the packaging container to the extent that the length of the transverse seam 11 is brought up to the length of the cross base 3 or the standing area defined by it.
  • the inserted side gussets 20, 21 in the filled state of the packaging bring about their flat folds with their outer folded edges 17 and 18 in their shape stabilized side surfaces between front wall 13 and rear wall 14, the transverse dimension between the folded edges 17 and 18 in the area adjacent to the transverse seam 11 Area zones of such an extent defined that a removal device 26 with an outlet part 27 for pourable filling material contained in the filling space can be provided in one of the two side folds, in the example shown in the side fold 21.
  • the removal device 26 consists of a material flap 28 that can be partially removed and folded up from the material of the side fold 21 and a flexible flat material blank that is fixed on the inside of the packaging container in the area of the side fold 21 and that, if necessary, can be removed after the material flap 28 has been separated and folded up the filling space is pulled out and then forms the outlet part 27 in the manner of a chute.
  • the bottom end 2 is initially designed to be open for filling the packaging container 1. After filling through the open bottom end 2, the bottom end 2 can be closed in the filling operation by a simple folding, wrapping or the like bottom without the side folds 20 and 21 complicating the bottom formation.
  • the closed bottom end 2 forms a standing area in the bottom plane, which is again indicated by dash-dotted lines at 22.
  • this exemplary embodiment corresponds to that according to FIGS. 1 to 3, as is also indicated by the use of the same reference numerals for the corresponding or matching parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Gloves (AREA)
  • Table Devices Or Equipment (AREA)
  • Closures For Containers (AREA)
  • Supports For Pipes And Cables (AREA)
  • Dowels (AREA)
  • Finger-Pressure Massage (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Cartons (AREA)

Abstract

A packaging container made of flexible material has bottom and head ends along with front and rear walls. The front and rear walls have lower side borders juxtaposed to the bottom end and which are joined together along juncture fold lines which are parallel to one another. The front and rear walls have upper side borders juxtaposed to the juncture fold lines. The upper side borders of the front and rear walls are connected by side panels having outer fold lines at the second side borders and an inner fold line such that when the container is in a flat unfilled state, the side panels are sandwiched between the front and rear walls and the outer fold lines and inner fold lines respectively converge toward one another as the head end is approached.

Description

Die Erfindung betrifft ein Verpackungsbehältnis aus flexiblem Material in Form eines Sackes oder Beutels, mit einem Bodenende und einem Kopfende sowie mit einer Vorderwand und einer Rückwand, die im Leerzustand des Verpackungsbehältnisses flach aneinanderliegen und an ihren Seitenrändern über Faltkanten miteinander verbunden sind, wobei die Seitenränder im Bereich des Bodenendes einen parallel zueinander ausgerichteten und in einem sich von diesem zum Kopfende erstreckenden Bereich einen zueinander konvergierenden Verlauf aufweisen.The invention relates to a packaging container made of flexible material in the form of a sack or bag, with a bottom end and a head end and with a front wall and a rear wall, which lie flat against one another in the empty state of the packaging container and are connected to one another at their side edges via folded edges, the side edges in Area of the bottom end have a parallel to each other and in a region extending from this to the head end have a converging course.

Es sind bereits Verpackungsbehältnisse dieser Art zum Beispiel in Form von Tragbeuteln bekannt geworden, die sich dadurch auszeichnen, daß das Fassungsvermögen des Tragbeutels zum Boden hin zunimmt, da der Bodenbereich aufgrund der parallel zueinander verlaufenden Seitenränder des Beutels am breitesten ist, während zum Kopfende des Beutels hin eine Verjüngung der Beutelbreite vorliegt. Zugleich wird durch eine solche Ausgestaltung einer Ausbauchung der aus flexiblem Material bestehenden Beutel entgegengewirkt und die Standfestigkeit verbessert.There are already packaging containers of this type known, for example in the form of carrier bags, which are characterized in that the capacity of the carrier bag increases towards the bottom, since the bottom region is widest due to the parallel side edges of the bag, while towards the head end of the bag there is a narrowing of the bag width. At the same time, such a configuration counteracts bulging of the bags made of flexible material and improves the stability.

Der Erfindung liegt die Aufgabe zugrunde, ein Verpackungsbehältnis der angegebenen Art mit erhöhtem Fassungsvermögen und gut konturierter Verpackungsform im gefüllten Zustand zu schaffen, ohne daß dadurch die Ausbildung des Bodenendes ver- kompliziert und der Raumbedarf des Verpackungsbehältnisses im Leerzustand vergrößert wird.The invention has for its object to provide a packaging container of the specified type with increased capacity and well-contoured packaging form in the filled state, without thereby reducing the formation of the bottom end complicated and the space requirement of the packaging container is increased when empty.

Ausgehend von einem Verpackungsbehältnis aus flexiblem Material in Form eines Sackes oder Beutels der eingangs angegebenen Art wird diese Aufgabe nach der Erfindung dadurch gelöst, daß zwischen der Vorderwand und der Rückwand an deren Seitenrändern je eine sich über den konvergierenden Bereich der Seitenränder erstreckende Seitenfalte eingelegt ist, deren innere Faltkante in Verlängerung der zugehörigen Seitenrand-Faltkante des parallelen Bereichs der Seitenränder angeordnet ist.Starting from a packaging container made of flexible material in the form of a sack or bag of the type specified at the outset, this object is achieved according to the invention in that a side fold extending across the converging region of the side edges is inserted between the front wall and the rear wall at the side edges thereof, whose inner folding edge is arranged in the extension of the associated side edge folding edge of the parallel region of the side edges.

Bei dieser Ausgestaltung vergrößert sich bei einer im Leerzustand des Verpackungsbehältnisses gegebenen Beutelkontur das Fassungsvermögen dadurch, daß beim Befüllen die Seitenfalten flachgespreizt und nach außen gedrückt werden, womit das Verpackungsbehältnis außerdem in diesem Bereich eine eindeutige, im Querschnitt etwa rechteckige Außenkontur unter Beteiligung der ausgeprägten äußeren Faltkanten der Seitenfalten erhält. Dies verleiht der Verpackung ein optisch gefälliges Aussehen und erleichtert die Stapelung der gefüllten Verpackungsbehältnisse sowie deren Handhabung im Gebrauch. Im Leerzustand des Verpackungsbehältnisses ist dessen Raumbedarf jedoch wegen des zwischen Vorder- und Rückwand liegenden Materials der Seitenfalten nicht erhöht, so daß das Verpackungsbehältnis platzsparend versandt und gelagert werden kann.In this embodiment, the capacity of a bag contour given when the packaging container is empty is increased by spreading the side gussets flat and pushing them outwards, so that the packaging container also has a clear outer contour with an approximately rectangular cross-section in this area with the involvement of the pronounced outer folded edges the gussets get. This gives the packaging an optically pleasing appearance and facilitates the stacking of the filled packaging containers and their handling in use. In the empty state of the packaging container, however, its space requirement is not increased due to the material of the side folds lying between the front and rear walls, so that the packaging container can be shipped and stored in a space-saving manner.

Eine Verkomplizierung der Ausbildung des Bodenendes durch die eingelegten Seitenfalten ist bei der erfindungsgemäßen Ausgestaltung dadurch vermieden, daß sich die Seitenfalten nicht bis zum Bodenrand erstrecken, sondern mit Abstand über diesem enden. Der Bodenbereich mit seinen parallel zueinander ausgerichteten Seitenrändern kann daher mit geringem Aufwand in der bei seitenfaltenlosen Sack- oder Beutelschlauchstücken üblichen Weise zur Ausbildung eines geeigneten Bodenverschlusses bearbeitet werden. Dieser Bodenverschluß kann beispielsweise ein an sich bekannter Kreuzboden sein, in den ein Füllventil für eine Befüllung des Verpackungsbehältnisses vom Bodenende her eingearbeitet sein kann. Statt dessen kann das Bodenende für eine Befüllung des Verpackungsbehältnisses anfänglich offen ausgebildet und nach der Befüllung auf einfache Weise durch einen Falt-, Wickel- oder dgl. Boden verschlossen werden. In jedem Fall ist eine gute Standfestigkeit des gefüllten Verpackungsbehältnisses durch die Bodenausbildung in Verbindung mit dem sich im gefüllten Zustand des Verpackungsbehältnisses quaderförmig ausbildenden Bodenbereich erreicht. Der sich anschließende, zum Kopfende hin verjüngende und im gefüllten Zustand des Verpackungsbehältnisses in etwa pyramidenstumpfförmige Teil des Verpackungsbehältnisses bietet einen erhöhten Tragkomfort bei dem vorzugsweise, z.B. durch eine eingestanzte Grifföffnung, als Tragteil ausgebildeten Kopfende des Verpackungsbehältnisses.A complication of the formation of the bottom end by the inserted side folds is avoided in the embodiment according to the invention in that the side folds do not extend to the bottom edge, but end at a distance above it. The bottom region with its side edges aligned parallel to one another can therefore be processed with little effort in the manner customary in the case of gusseted bag or bag hose pieces to form a suitable bottom closure. This bottom closure can be, for example, a cross bottom known per se, into which a filling valve for filling the packaging container can be incorporated from the bottom end. Instead, the bottom end can initially be open for filling the packaging container trained and closed after filling in a simple manner by a folding, winding or the like. Bottom. In any case, a good stability of the filled packaging container is achieved by the base formation in connection with the bottom area which forms a cuboid shape when the packaging container is filled. The adjoining part of the packaging container, which tapers towards the head end and is approximately frustum-shaped in the filled state of the packaging container, offers increased wearing comfort in the head end of the packaging container, which is preferably designed as a supporting part, for example by means of a stamped-in handle opening.

Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachstehenden Beschreibung in Verbindung mit der Zeichnung, in der zwei Ausführungsbeispiele des Gegenstands der Erfindung schematisch veranschaulicht sind. In der Zeichnung zeigen:

Fig. 1
eine Vorderansicht eines erfindungsgemäßen Verpackungsbehältnisses im Leerzustand,
Fig. 2
eine perspektivische Ansicht des oberen Endbereichs des Verpackungsbehältnisses nach Fig. 1, in Richtung des Pfeils II gesehen, wobei eine Entnahmevorrichtung für im Füllraum des Verpackungsbehältnisses enthaltenes schüttfähiges Füllgut im geöffneten Zustand zur Darstellung kommt,
Fig. 3
einen Schnitt nach der Linie III-III der Fig. 1 und
Fig. 4
eine Darstellung entsprechend Fig. 1 zur Veranschaulichung einer abgewandelten Ausführungsform.
Features and advantages of the invention emerge from the claims and the following description in conjunction with the drawing, in which two exemplary embodiments of the object of the invention are illustrated schematically. The drawing shows:
Fig. 1
a front view of a packaging container according to the invention in the empty state,
Fig. 2
1, seen in the direction of arrow II, a removal device for pourable contents contained in the filling space of the packaging container being shown in the open state,
Fig. 3
a section along the line III-III of Fig. 1 and
Fig. 4
a representation corresponding to FIG. 1 to illustrate a modified embodiment.

Das in der Zeichnung dargestellte, als Ganzes mit 1 bezeichnete Verpackungsbehältnis kann aus jedem geeigneten flexiblen bzw. faltbaren Material, wie es bei der Herstellung von Säcken oder Beuteln Anwendung findet, bestehen. Es sind dies insbesondere Papier, Kunstoffolien, Laminate oder Gewebe, wie Kunststoff-Bändchengewebe, in ein- oder mehrlagiger Ausführung. Bei dem dargestellten Beispiel hat das Verpackungsbehältnis 1 eine einlagige Ausführung und besteht beispielsweise aus einem kunststoffbeschichteten Papier, wobei die Materialverbindungen zur Herstellung des beutel- bzw. sackförmigen Verpackungsbehältnisses von Schweiß- oder Klebenähten gebildet sein können.The packaging container shown in the drawing, designated as a whole by 1, can consist of any suitable flexible or foldable material, such as is used in the manufacture of sacks or bags. These are, in particular, paper, plastic films, laminates or fabrics, such as plastic ribbon fabrics, in one or more layers. In the example shown, the packaging container 1 has a single-layer design and consists, for example, of one plastic-coated paper, wherein the material connections for producing the bag-shaped or sack-shaped packaging container can be formed by welded or glued seams.

Wie sich zunächst aus Fig. 1 ergibt, besitzt das Verpackungsbehältnis 1 einen den Beutelschlauch am Bodenende 2 schließenden Kreuzboden 3, der in üblicher Weise paarweise einander gegenüberliegende Eckeinschläge 4 und Bodenseitenumschläge 5, die sich in der Bodenmitte überlappen, sowie ein äußeres Bodendeckblatt 6 umfaßt. Zum Befüllen des Verpackungsbehältnisses 1 vom Bodenende 2 her ist der Kreuzboden 3 mit einem Füllventil 7 versehen, das in an sich bekannter Weise als unter dem Druck des eingefüllten Füllgutes selbsttätig schließendes Innenventil ausgebildet oder jede andere geeignete Ausführungsform aufweisen kann.1, the packaging container 1 has a cross bottom 3 which closes the bag tube at the bottom end 2 and which, in the usual manner, includes corner inserts 4 and bottom side envelopes 5 which overlap in the center of the bottom, and an outer bottom cover sheet 6. To fill the packaging container 1 from the bottom end 2, the cross bottom 3 is provided with a filling valve 7 which, in a manner known per se, can be designed as an automatically closing internal valve under the pressure of the filled product or can have any other suitable embodiment.

Das Kopfende 8 des Verpackungsbehältnisses 1 bildet mittels einer Grifflocheinstanzung 9 einen Tragteil 10, der durch eine Quernaht 11 vom Füllraum des Verpackungsbehältnisses abgetrennt ist, der demnach den Raum zwischen dem Kreuzboden 3 und der Quernaht 11 einnimmt. Den oberen, äußeren Abschluß bildet eine Quernaht 12, die sich wie die Quernaht 11 über die gesamte Verpackungsbreite erstreckt.The head end 8 of the packaging container 1 forms a support part 10 by means of a finger hole 9, which is separated by a transverse seam 11 from the filling space of the packaging container, which accordingly occupies the space between the cross base 3 and the transverse seam 11. The upper, outer end forms a transverse seam 12 which, like the transverse seam 11, extends over the entire packaging width.

In dem aus den Fig. 1 und 3 ersichtlichen Leerzustand des Verpackungsbehältnisses 1 liegen die Vorderwand 13 und die Rückwand 14 des Beutelschlauches flach einander und sind an ihren beiden Seitenrändern über Faltkanten 15 bzw. 16, 17 und 18 miteinander verbunden. In ihrem an den Kreuzboden 3 angrenzenden Bereich besitzen die Seitenränder des Beutelschlauches mit ihren Faltkanten 15 einen parallel zueinander ausgerichteten Verlauf. Von einem Punkt 19 an weisen die Seitenränder des Beutelschlauches mit ihren Falzkanten 16, 17, 18 einen zum Kopfende 8 hin konvergierenden Verlauf auf. Dabei definieren die Faltkanten 16, 17, 18 je eine Seitenfalte 20 bzw. 21 im konvergierenden Bereich der Seitenränder, deren innere Faltkante 16 jeweils in Verlängerung der Faltkante 15 des parallelen Bereichs der Seitenränder angeordnet ist.In the empty state of the packaging container 1 shown in FIGS. 1 and 3, the front wall 13 and the rear wall 14 of the bag tube lie flat against one another and are connected to one another at their two side edges via folded edges 15 and 16, 17 and 18, respectively. In their area adjacent to the cross base 3, the side edges of the bag tube with their folded edges 15 have a course oriented parallel to one another. From a point 19 on, the side edges of the bag tube with their folded edges 16, 17, 18 have a course converging towards the head end 8. The fold edges 16, 17, 18 each define a side fold 20 or 21 in the converging region of the side edges, the inner fold edge 16 of which is arranged in each case as an extension of the fold edge 15 of the parallel region of the side edges.

Der konvergierende Bereich der Seitenränder mit den Seitenfalten 20 und 21 ist auf die oberen zwei Drittel der Höhe des Verpackungsbehältnisses 1 begrenzt und liegt bei dem in den Fig. 1 bis 3 dargestellten Ausführungsbeispiel in einem etwa der Breite des Kreuzbodens 3 entsprechenden Abstand von der in Fig. 1 strichpunktiert eingezeichneten Bodenebene 22, die der Kreuzboden 3 im gefüllten Zustand des Verpackungsbehältnisses 1 unter Abschwenken um 90° von der Vorderwand 13, an der er im Leerzustand mit einer Hälfte anliegt, einnimmt.The converging area of the side margins with the gussets 20 and 21 is limited to the upper two thirds of the height of the packaging container 1 and, in the exemplary embodiment shown in FIGS. 1 to 3, lies at a distance corresponding approximately to the width of the cross base 3 from the bottom plane 22 shown in broken lines in FIG the cross bottom 3 in the filled state of the packaging container 1, swiveling through 90 ° from the front wall 13, against which it rests in the empty state with one half.

Wie insbesondere aus Fig. 1 ersichtlich ist, ist die innere Faltkante 16 der Seitenfalten 20 und 21 zur Längsmittelebene 23 des Verpackungsbehältnisses 1 stärker geneigt als die zugehörigen äußeren Faltkanten 17, 18 der jeweiligen Seitenfalte 20 bzw. 21. Die Einlegetiefe jeder Seitenfalte 20, 21 nimmt dabei von ihrem Anfangspunkt 19 an gleichmäßig zu und erreicht ihren Maximalwert an der Abschlußnaht 12 des Kopfendes 8, durch das sich beide Seitenfalten 20, 21 fortsetzen. Im Bereich des Kopfendes 8 sind jedoch die Seitenfalten 20, 21 flach zusammengeschweißt und nehmen keinen Einfluß auf die Raumform des gefüllten Verpackungsbehältnisses, wie sie aus Fig. 2 ersichtlich ist. Das Flachspreizen der Seitenfalten 20 und 21 ist auf den Füllraum des Verpackungsbehältnisses 1 beschränkt und erfolgt unter dem Druck des durch das Füllventil 7 eingefüllten Füllgutes. Um dabei eine ansprechende, etwa pyramidenstumpfförmige Verpackung zu bilden, hat die Einlegetiefe der Seitenfalten 20, 21 im an die Quernaht 11 angrenzenden Bereich etwa ein der halben Breite des Kreuzbodens 3 entsprechendes Maß.As can be seen in particular from FIG. 1, the inner fold edge 16 of the side folds 20 and 21 is more inclined to the longitudinal center plane 23 of the packaging container 1 than the associated outer fold edges 17, 18 of the respective side fold 20 or 21. The insertion depth of each side fold 20, 21 increases evenly from its starting point 19 and reaches its maximum value at the end seam 12 of the head end 8, through which both side folds 20, 21 continue. In the area of the head end 8, however, the side folds 20, 21 are welded flat together and have no influence on the spatial shape of the filled packaging container, as can be seen from FIG. 2. The flat spreading of the side gussets 20 and 21 is limited to the filling space of the packaging container 1 and takes place under the pressure of the filling material filled through the filling valve 7. In order to form an appealing, approximately truncated pyramid-shaped packaging, the insertion depth of the side folds 20, 21 in the region adjacent to the transverse seam 11 has a dimension corresponding to half the width of the cross base 3.

Die Standfläche des gefüllten Verpackungsbehältnisses 1 hat eine Rechteckkontur, die von den paarweise einander gegenüberliegenden Eckpunkten 24 der Bodenseitenumschläge 5 des Kreuzbodens 3 definiert ist. Die äußeren Dreieckzipfel 25 falten sich beim Befüllen des Verpackungsbehältnisses in die sich dabei ausbildenden Seitenflächen des Verpackungsbehältnisses, in die außerdem die flachgespreizten Seitenfalten 20 und 21 mit V-förmig in die Ansatzpunkte 19 einmündenden äußeren Faltkanten 17, 18 einbezogen sind. Die Länge der den Füllraum abschließenden Quernaht 11 ist zur Erzielung einer pyramidenstumpfförmigen Gestalt des Verpackungsbehältnisses im Bereich oberhalb der Seitenfalten-Anfangspunkte 19 kürzer als die Länge der vom Kreuzboden 3 gebildeten rechteckigen Standfläche des Verpackungsbehältnisses. Eine eher prismatische oder quaderförmige Gestalt in diesem Bereich bildet sich im gefüllten Zustand des Verpackungsbehältnisses in dem Maße aus, wie die Länge der Quernaht 11 an die Länge des Kreuzbodens 3 bzw. der von diesem definierten Standfläche herangeführt wird.The footprint of the filled packaging container 1 has a rectangular contour, which is defined by the corner points 24 of the bottom side envelopes 5 of the cross base 3, which are located opposite one another in pairs. When the packaging container is filled, the outer triangular corners 25 fold into the side surfaces of the packaging container that are formed, in which the flat-spread side folds 20 and 21 with V-shaped outer folding edges 17, 18 that open into the attachment points 19 are also included. The length of the transverse seam 11 closing the filling space is shorter than the length in order to achieve a truncated pyramidal shape of the packaging container in the area above the gusset starting points 19 the rectangular base of the packaging container formed by the cross base 3. A more prismatic or cuboid shape in this area is formed in the filled state of the packaging container to the extent that the length of the transverse seam 11 is brought up to the length of the cross base 3 or the standing area defined by it.

Die eingelegten Seitenfalten 20, 21 bewirken im gefüllten Zustand der Verpackung durch ihr Flachspreizen mit ihren äußeren Faltkanten 17 und 18 in ihrer Form stabilisierte Seitenflächen zwischen Vorderwand 13 und Rückwand 14, wobei das Quermaß zwischen den Faltkanten 17 und 18 im an die Quernaht 11 angrenzenden Bereich Flächenzonen von einer solchen Ausdehnung definiert, daß hier ohne weiteres in einer der beiden Seitenfalten, bei dem dargestellten Beispiel in der Seitenfalte 21, eine Entnahmevorrichtung 26 mit einem Auslaufteil 27 für im Füllraum enthaltenes schüttfähiges Füllgut vorgesehen sein kann. Die Entnahmevorrichtung 26 besteht bei dem dargestellten Beispiel aus einem aus dem Material der Seitenfalte 21 teilweise heraustrennbaren und hochklappbaren Materiallappen 28 und einem an der Innenseite des Verpackungsbehältnisses im Bereich der Seitenfalte 21 festgelegten flexiblen Flachmaterialzuschnitt, der im Bedarfsfall nach dem Abtrennen und Hochklappen des Materiallappens 28 aus dem Füllraum herausgezogen wird und sodann den Auslaufteil 27 nach Art einer Schütte bildet.The inserted side gussets 20, 21 in the filled state of the packaging bring about their flat folds with their outer folded edges 17 and 18 in their shape stabilized side surfaces between front wall 13 and rear wall 14, the transverse dimension between the folded edges 17 and 18 in the area adjacent to the transverse seam 11 Area zones of such an extent defined that a removal device 26 with an outlet part 27 for pourable filling material contained in the filling space can be provided in one of the two side folds, in the example shown in the side fold 21. In the example shown, the removal device 26 consists of a material flap 28 that can be partially removed and folded up from the material of the side fold 21 and a flexible flat material blank that is fixed on the inside of the packaging container in the area of the side fold 21 and that, if necessary, can be removed after the material flap 28 has been separated and folded up the filling space is pulled out and then forms the outlet part 27 in the manner of a chute.

Bei dem Ausführungsbeispiel gemäß Fig. 4 ist das Bodenende 2 für eine Befüllung des Verpackungsbehältnisses 1 anfänglich offen ausgebildet. Nach der Befüllung durch das offene Bodenende 2 kann im Abfüllbetrieb das Bodenende 2 durch einen einfachen Falt-, Wickel- oder dgl. Boden verschlossen werden, ohne daß durch die Seitenfalten 20 und 21 eine Komplizierung der Bodenbildung eintritt. Das verchlossene Bodenende 2 bildet im gefüllten Zustand des Verpackungsbehältnisses 1 bei dessen Aufsetzen auf eine ebene Unterlage eine Standfläche in der bei 22 wiederum strichpunktiert eingezeichneten Bodenebene aus. Im übrigen stimmt dieses Ausführungsbeispiel mit dem nach den Fig. 1 bis 3 überein, wie es auch durch die Verwendung gleicher Bezugszeichen für die entsprechenden bzw. übereinstimmenden Teile kenntlich gemacht ist.In the exemplary embodiment according to FIG. 4, the bottom end 2 is initially designed to be open for filling the packaging container 1. After filling through the open bottom end 2, the bottom end 2 can be closed in the filling operation by a simple folding, wrapping or the like bottom without the side folds 20 and 21 complicating the bottom formation. In the filled state of the packaging container 1, when the packaging container 1 is placed on a flat base, the closed bottom end 2 forms a standing area in the bottom plane, which is again indicated by dash-dotted lines at 22. Otherwise, this exemplary embodiment corresponds to that according to FIGS. 1 to 3, as is also indicated by the use of the same reference numerals for the corresponding or matching parts.

Claims (11)

  1. A packaging container of flexible material in the form of a bag or sack with a bottom end and a top end and with a front wall and a rear wall which when the packaging container is empty bear flat against each other and are connected to each other along their lateral edges via folded edges, the lateral edges having in the region of the bottom end a mutually parallel extending area which extends from this to the head end, with a mutually converging pattern, characterised in that between the front wall (13) and the rear wall (14) along their side edges there is a lateral fold (20, 21) extending over the converging portion of the lateral edges and of which the inner fold edge (16) is disposed as an extension of the associated lateral edge fold (15) of the parallel portion of the lateral edges.
  2. A packaging container according to Claim 1, characterised in that the inner fold edge (16) of the lateral folds (20, 21) is more intensely inclined towards the longitudinal central plane (23) of the packaging container (1) than the associated outer fold edges (17, 18) of the relevant lateral fold (20, 21).
  3. A packaging container according to Claim 1 or 2, characterised in that the converging portion of the lateral edges is restricted to the upper two-thirds of the height of the packaging container (1).
  4. A packaging container according to one of Claims 1 to 3, characterised in that the insertion depth of each lateral fold (20, 21) increases from zero evenly at the starting point (19) adjacent the bottom end (2) to a value adjacent the top end (8) and which is substantially equal to half the width of the bottom area which forms when the packaging container (1) is in its filled state.
  5. A packaging container according to one of Claims 1 to 4, characterised in that its head end (8) is occupied by a carrier part (10) separated from its filling space by a transverse seam (11) and by which the lateral folds (20, 21) are extended.
  6. A packaging container according to one of Claims 1 to 5, characterised in that its bottom end (2) is formed by a block bottom (3) and in that the insertion depth of the lateral folds (20, 21) in that area which is adjacent the head end (8) is substantially equal to half the width of the block bottom (3).
  7. A packaging container according to Claim 6, characterised in that the starting point (19) of the lateral folds (20, 21) is disposed at a distance from the bottom plane (25) of the packaging container (1) which substantially corresponds to the width of the block bottom (3).
  8. A packaging container according to Claim 6 or 7, characterised in that machined into the block bottom (3) is a filling valve (7) for filling the packaging container (1) from the bottom end (2).
  9. A packaging container according to one of Claims 1 to 5, characterised in that its bottom end (2) is initially of open construction for filling of the packaging container (1) and can be closed by a folding, winding or like bottom once it has been filled.
  10. A packaging container according to one of Claims 1 to 9, characterised in that one (21) of the two lateral folds (20, 21) in the region adjacent the head end (8) is provided with a draw-off means (26) of bulk contents present in the filling space.
  11. A packaging container according to Claim 10, characterised in that the draw-off means (26) consists of a material lug (28) partially separable from the material of the lateral crease (21) and a blank of flexible flat material fixed on the inside of the packaging container (1) in the region of the lateral crease (21) and which is formed from the outlet part (27) which can be withdrawn from the filling space.
EP90123161A 1989-12-13 1990-12-04 Packaging container made of flexible material in the form of a bag Expired - Lifetime EP0432614B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90123161T ATE89798T1 (en) 1989-12-13 1990-12-04 PACKAGING CONTAINER MADE OF FLEXIBLE MATERIAL IN THE FORM OF A SACK OR BAG.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8914623U 1989-12-13
DE8914623U DE8914623U1 (en) 1989-12-13 1989-12-13 Packaging container made of flexible material in the form of a sack or bag

Publications (2)

Publication Number Publication Date
EP0432614A1 EP0432614A1 (en) 1991-06-19
EP0432614B1 true EP0432614B1 (en) 1993-05-26

Family

ID=6845397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123161A Expired - Lifetime EP0432614B1 (en) 1989-12-13 1990-12-04 Packaging container made of flexible material in the form of a bag

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US (1) US5104235A (en)
EP (1) EP0432614B1 (en)
AT (1) ATE89798T1 (en)
CA (1) CA2032005A1 (en)
CZ (1) CZ625790A3 (en)
DE (2) DE8914623U1 (en)
DK (1) DK0432614T3 (en)
ES (1) ES2048947T3 (en)
HR (1) HRP930403A2 (en)
HU (1) HU206478B (en)
LT (1) LT3217B (en)
LV (1) LV10222B (en)
NO (1) NO905403L (en)
RU (1) RU1838203C (en)
YU (1) YU47921B (en)

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Also Published As

Publication number Publication date
YU234490A (en) 1994-06-24
YU47921B (en) 1996-05-20
DE8914623U1 (en) 1990-02-01
HRP930403A2 (en) 1994-10-31
HU206478B (en) 1992-11-30
ATE89798T1 (en) 1993-06-15
US5104235A (en) 1992-04-14
HU908241D0 (en) 1991-06-28
HUT57666A (en) 1991-12-30
CZ625790A3 (en) 1993-02-17
DE59001555D1 (en) 1993-07-01
NO905403L (en) 1991-06-14
DK0432614T3 (en) 1993-10-11
CA2032005A1 (en) 1991-06-14
ES2048947T3 (en) 1994-04-01
LTIP356A (en) 1994-10-25
NO905403D0 (en) 1990-12-13
RU1838203C (en) 1993-08-30
LT3217B (en) 1995-04-25
EP0432614A1 (en) 1991-06-19
LV10222A (en) 1994-10-20
LV10222B (en) 1995-04-20

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