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EP0162291B2 - Package for piece goods - Google Patents
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EP0162291B2 - Package for piece goods - Google Patents

Package for piece goods Download PDF

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Publication number
EP0162291B2
EP0162291B2 EP85104700A EP85104700A EP0162291B2 EP 0162291 B2 EP0162291 B2 EP 0162291B2 EP 85104700 A EP85104700 A EP 85104700A EP 85104700 A EP85104700 A EP 85104700A EP 0162291 B2 EP0162291 B2 EP 0162291B2
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EP
European Patent Office
Prior art keywords
layers
packing material
package
perforations
strip
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
EP85104700A
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German (de)
French (fr)
Other versions
EP0162291B1 (en
EP0162291A1 (en
Inventor
Wilfried Dr. Jud
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Teich AG
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Teich AG
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Application filed by Teich AG filed Critical Teich AG
Publication of EP0162291A1 publication Critical patent/EP0162291A1/en
Publication of EP0162291B1 publication Critical patent/EP0162291B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/585—Tear-lines provided in a wall portion the tear-lines being broken by deformation or bending
    • 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
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
    • B65D75/12—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by flattening and heat-sealing

Definitions

  • the invention relates to a tubular bag package consisting of lumpy goods, in particular divided or subdividable into several parts, and a sleeve formed from a flat, foldable packaging material, which has a strip-shaped doubling area of the packaging material, in which the two layers of packaging material forming the doubling area via a strip-shaped connecting area are connected to one another, punchings and / or material weakenings being arranged in one of the two layers of the doubling area within the strip-shaped connecting area as an opening aid.
  • a pack of this type is described in GE utility model 8215687.5. It relates to a tubular bag pack, in which the strip-like doubling area is formed by the edges of the packaging material web, which are connected to one another during production of the pack to form a tube enveloping the packaged goods, forming a longitudinal sealing seam.
  • the material weakenings lie in the connection area created by the longitudinal sealing seam, so that the material weakenings, e.g. can be formed by perforations that do not adversely affect the tightness and mechanical strength of the packing envelope.
  • the package is opened by pulling on the longitudinal sealing seam, in which it is first partially peeled off and the packaging material finally tears at the material weakenings.
  • the location at which the package is opened is now determined by the position of the longitudinal sealing seam, which cannot be arranged at any desired location for manufacturing reasons. It should e.g. in chocolate bars, for example, they lie in a central area of a large envelope area, because by attacking the double area containing the longitudinal sealing seam, the packaging material tube containing the packaging material is transported through the packaging machine.
  • the invention solves the problem of specifying a tubular bag pack of the type mentioned, in which the position of the opening point can be chosen largely independently of the other structure of the pack.
  • a fold 2 is first continuously formed in the packaging machine in a packaging material web 1 which has been pulled off the roll and provided on one side with a sealing layer applied in the profile, the two layers of packaging material forming the doubling area of the fold 2 across the entire width of the folds by sealing the existing profile sealing layers at this point.
  • the packaging material web has a weakening line 3 running in its longitudinal direction (perpendicular to the plane of the drawing in FIG. 1), which comes to lie in the fold 2.
  • the fold 2 is then folded over onto the level of the packaging material web 1 in such a way that the packaging material layer within which the weakening line 3 is located lies against the surface 4 of the packaging material web 1. If necessary, these lines of weakness can also be attached directly to the packaging machine with a suitable device immediately before the fold is produced.
  • the packaging material web 1 thus provided with a longitudinal fold 2 is now (see FIG. 1) in the usual way to form a packaging material tube around the successively supplied packaging items, e.g. Chocolate bars 5, folded over in the direction of the arrows 6, the guidance of the packaging material web 1 running such that the fold 2 at a predetermined point, e.g. starts from the packaging material web 1 in the area of a chocolate bar division notch 7.
  • packaging material tube around the successively supplied packaging items, e.g. Chocolate bars 5, folded over in the direction of the arrows 6, the guidance of the packaging material web 1 running such that the fold 2 at a predetermined point, e.g. starts from the packaging material web 1 in the area of a chocolate bar division notch 7.
  • the finished packaging material tube is finally formed by producing a longitudinal sealing seam and, after the longitudinal sealing seam has been folded over, it is provided with two transverse sealing seams running parallel to one another and divided into individual tubular bag packs by separating cuts between these two transverse sealing seams.
  • FIG. 3 shows the pack on a somewhat enlarged scale in section along a plane perpendicular to direction 10 (see FIG. 2) in a partial representation containing fold 2.
  • the fold 2 forms a doubling area of the packaging material with two layers 11 and 12, the layer 11 lying against the packaging surface containing the weakening line 3, which consists of several in the weakening lines runs successively arranged and separated from each other line-shaped punchings or consists of a continuous line-shaped slit ending shortly before the ends of the transverse sealing seams.
  • a slot-shaped opening 14 (FIG. 5) has formed on the packaging material layer 11 torn along the line 3 in the packaging envelope, through which packaging material can be removed from the package.
  • a three-layer packaging material which, starting from the outside of the package, consists of a 0.012 to 0.020 mm thick film made of biaxially stretched polypropylene (OPP), a 0.007 to 0.009 mm thick aluminum film, a paper with a grammage of 20 to 60 g / m 2 and a latex-based cold adhesive coating preferably applied in the profile (2 to 7 g / m 2 solid).
  • OPP biaxially stretched polypropylene
  • the packaging material layer 11 along the line 3 does not have punchings, but material weakenings that form a weakening line.
  • Suitable packaging materials, in which such weakening lines can be provided with reproducible weakening of the material are advantageously constructed in multiple layers and consist of at least one backing layer and one top layer, along the intended weakening line the backing layer covered by the uninterrupted top layer with a punching or a purity of linear lines separated from one another Punching is provided.
  • a suitable two-layer packaging material consists - starting from the outside of the pack - of paper with a grammage of 20 to 50 g / m 2 as the backing, a 0.007 to 0.009 thick aluminum foil as the top layer and a subsequent cold adhesive coating based on latex (2 to 7 g / m 2 ).
  • a 0.020 to 0.040 mm thick OPP film can be used as the carrier layer.
  • This package is opened in the same way as described with reference to FIGS. 3 to 5. If the cold seal connection between the layers 11, 12 of the fold 2, which is caused by the kinking of the pack, reaches the weakening line arranged along the line 3, this breaks open, as a result of which a slit-shaped opening 14 is formed in the pack envelope through which Packaged goods can be removed.
  • a heat seal layer can also be used in the package according to FIGS. 1 to 3.
  • the distance between the punched holes and / or material weakenings from the inner edge of the pack of the connection area which occupies the entire width of the fold should advantageously be at least 1 mm, i.e. it should be so large that even if there are inaccuracies in the production of the package, these punchings and / or material weakenings can safely lie within the connection area 15 (see FIGS. 1 and 3).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

A package for packaging solid products with a wrapping formed from a flat, foldable packaging material and provided with a means to aid in opening the wrapping, the wrapping having a strip-shaped lamination segment of the packaging material formed by two layers of the packaging material joined together by a strip-shaped bonding segment, perforations and/or material weaknesses being provided in the strip-shaped bonding segment (15,20,26,32) as the means to aid opening situated in one of the two layers (11,18,27,33) of the lamination segment (2,17,25,31).

Description

Die Erfindung betrifft eine Schlauchbeutelpackung bestehend aus stückigem, insbesondere in mehrere Teilstücke unterteiltem oder unterteilbarem Gut und einer aus einem flächigen, faltbaren Verpackungsmaterial gebildeten Hülle, die einen streifenförmigen Dopplungsbereich des Verpackungsmaterials aufweist, in welchem die beiden den Dopplungsbereich bildenden Verpackungsmaterial-Lagen über einen streifenforßmigen Verbindungsbereich miteinander verbunden sind, wobei in einer der beiden Lagen des Dopplungsbereiches innerhalb des streifenförmigen Verbindungsbereichs als Öffnungshilfe Durchstanzungen und/oder Materialverschwächungen angeordnet sind.The invention relates to a tubular bag package consisting of lumpy goods, in particular divided or subdividable into several parts, and a sleeve formed from a flat, foldable packaging material, which has a strip-shaped doubling area of the packaging material, in which the two layers of packaging material forming the doubling area via a strip-shaped connecting area are connected to one another, punchings and / or material weakenings being arranged in one of the two layers of the doubling area within the strip-shaped connecting area as an opening aid.

Eine Packung dieser Art ist in dem GE-Gebrauchsmuster 8215687.5 beschrieben. Sie betrifft eine Schlauchbeutelpackung, bei der der streifenförmige Dopplungsbereich durch die Ränder der Verpackungsmaterialbahn gebildet wird, welche bei Herstellung der Packung zur Bildung eines das Verpackungsgut umhüllenden Schlauches unter Formung einer Längssiegelungsnaht miteinander verbunden werden. Die Materialverschwächungen liegen dabei in dem durch die Längssiegelungsnaht erzeugten Verbindungsbereich, so daß die Materialverschwächungen, die z.B. durch Perforationen gebildet sein können, die Dichtigkeit und die mechanische Festigkeit der Packungshülle nicht negativ beeinflussen. Die Packung wird durch Ziehen an der Längsiegelungsnaht, bei der diese zunächst zum Teil aufgeschält wird und das Verpackungsmaterial schließlich an den Materialsverschwächungen einreißt, geöffnet.A pack of this type is described in GE utility model 8215687.5. It relates to a tubular bag pack, in which the strip-like doubling area is formed by the edges of the packaging material web, which are connected to one another during production of the pack to form a tube enveloping the packaged goods, forming a longitudinal sealing seam. The material weakenings lie in the connection area created by the longitudinal sealing seam, so that the material weakenings, e.g. can be formed by perforations that do not adversely affect the tightness and mechanical strength of the packing envelope. The package is opened by pulling on the longitudinal sealing seam, in which it is first partially peeled off and the packaging material finally tears at the material weakenings.

Bei dieser bekannten Packung ist nun die Stelle, an der die Packung geöffnet wird, durch die Lage der Längssiegelungsnaht bestimmt, welche aus fertigungstechnischen Gründen nicht an beliebigen Stellen angeordnet werden kann. Sie soll z.B. bei Schokoladetafeln etwa in einem Mittelbereich einer größen Hüllenfläche liegen, denn durch Angriff an dem die Längssiegelungsnaht enthaltenden Dopplungsbereich wird der das Verpackungsgut enthaltende Verpackungsmaterialschlauch durch die Verpackungsmaschine transportiert.In this known package, the location at which the package is opened is now determined by the position of the longitudinal sealing seam, which cannot be arranged at any desired location for manufacturing reasons. It should e.g. in chocolate bars, for example, they lie in a central area of a large envelope area, because by attacking the double area containing the longitudinal sealing seam, the packaging material tube containing the packaging material is transported through the packaging machine.

Die Erfindung, wie sie in Anspruch 1, gekennzeichnet ist, löst die Aufgabe, eine Schlauchbeutelpackung der eingangs genannten Art anzugeben, bei der die Lage der Öffnungstelle weitgehend unabhängig vom sonstigen Aufbau der Packung gewählt werden kann.The invention, as characterized in claim 1, solves the problem of specifying a tubular bag pack of the type mentioned, in which the position of the opening point can be chosen largely independently of the other structure of the pack.

In den abhängigen Ansprüchen sind besondere Ausführungsarten der Erfindung angegeben.Particular embodiments of the invention are specified in the dependent claims.

Die Erfindung wird nachstehend anhand der Figuren näher erläutert, wobei gezeigt wird in

  • Fig. 1 und Fig. 2 eine Phase der Herstellung einer bevorzugten Ausführung der erfindungsgemäßen Packung in Form einer Schlauchbeutelpackung für Schokolade, bzw. die fertige Pakkung in perspektivischer Darstellung.
  • Fig. 3 eine Teildarstellung dieser Packung im Schnitt sowie in
  • Fig. 4 und 5 dieselbe Packung in zwei verschiedenen Phasen des Öffnungsvorganges.
The invention is explained in more detail below with reference to the figures, which is shown in
  • Fig. 1 and Fig. 2 shows a phase of the production of a preferred embodiment of the package according to the invention in the form of a tubular bag package for chocolate, or the finished package in a perspective view.
  • Fig. 3 is a partial view of this pack in section and in
  • 4 and 5 the same pack in two different phases of the opening process.

Zur Herstellung der Packung gemäß den Figuren 1 und 2 wird in der Verpackungsmaschine zunächst in einer von der Rolle abgezogenen und einseitig mit einer im Profil angebrachten Siegelschicht versehenen Verpackungsmaterialbahn 1 kontinuierlich eine Falte 2 gebildet, wobei die beiden den Dopplungsbereich der Falte 2 bildenden Verpackungsmaterial-Lagen über die ganze Faltenbreite durch Versiegelung der an dieser Stelle vorhandenen Profil-Siegelschichten miteinander verbunden werden. Die Verpackungsmaterialbahn weist dabei eine in ihrer Längsrichtung (in Fig. 1 senkrecht zur Zeichnungsebene) verlaufende Schwächungslinie 3 auf, welche in der Falte 2 zu liegen kommt. Die Falte 2 wird dann auf die Ebene der Verpakkungsmaterialbahn 1 umgelegt, derart, daß jene Verpackungsmateriallage, innerhalb welcher sich die Schwächungslinie 3 befindet, an der Oberfläche 4 der Verpackungsmaterialbahn 1 anliegt. Gegebenenfalls können diese Schwächungslinien auch mit einer geeigneten Vorrichtung direkt an der Verpackungsmaschine unmittelbar vor Herstellung der Falte angebracht werden.To produce the package according to FIGS. 1 and 2, a fold 2 is first continuously formed in the packaging machine in a packaging material web 1 which has been pulled off the roll and provided on one side with a sealing layer applied in the profile, the two layers of packaging material forming the doubling area of the fold 2 across the entire width of the folds by sealing the existing profile sealing layers at this point. The packaging material web has a weakening line 3 running in its longitudinal direction (perpendicular to the plane of the drawing in FIG. 1), which comes to lie in the fold 2. The fold 2 is then folded over onto the level of the packaging material web 1 in such a way that the packaging material layer within which the weakening line 3 is located lies against the surface 4 of the packaging material web 1. If necessary, these lines of weakness can also be attached directly to the packaging machine with a suitable device immediately before the fold is produced.

Die so mit einer Längsfalte 2 versehen Verpackungsmaterialbahn 1 wird nun (siehe Fig. 1) in üblicher Weise zur Bildung eines Verpackungsmaterialschlauches um die nacheinander zugeführten Verpackungsgutstücke, z.B. Schokoladetafeln 5, in Richtung der Pfeile 6 umgeschlagen, wobei die Führung der Verpackungsmaterialbahn 1 so verläuft, daß die Falte 2 an einer vorher bestimmten Stelle, z.B. im Bereich einer Schokoladeriegel-Teilungskerbe 7 von der Verpackungsmaterialbahn 1 ausgeht.The packaging material web 1 thus provided with a longitudinal fold 2 is now (see FIG. 1) in the usual way to form a packaging material tube around the successively supplied packaging items, e.g. Chocolate bars 5, folded over in the direction of the arrows 6, the guidance of the packaging material web 1 running such that the fold 2 at a predetermined point, e.g. starts from the packaging material web 1 in the area of a chocolate bar division notch 7.

Aus der die Schokoladetafeln 5 umgeschlagene Verpackungsmaterialbahn 1 wird schließlich durch Herstellung einer Längssiegelungsnaht der fertige Verpackungsmaterialschlauch gebildet und dieser nach Umlegen der Längssiegelungsnaht jeweils zwischen zwei aufeinanderfolgende Schokoladetafeln mit zwei parallel zueinander verlaufenden Quersiegelungsnähten versehen und durch Trennschnitte zwischen diesen beiden Quersiegelungsnähten in Einzelschlauchbeutelpackungen unterteilt.From the packaging material web 1 folded over the chocolate bars 5, the finished packaging material tube is finally formed by producing a longitudinal sealing seam and, after the longitudinal sealing seam has been folded over, it is provided with two transverse sealing seams running parallel to one another and divided into individual tubular bag packs by separating cuts between these two transverse sealing seams.

An der in Fig. 2 dargestellten Einzelpackung erkennt man ie umgelegte Falte 2, den Verlauf der Schwächungslinie 3, die umgelegte Längssiegelungsnaht 8 sowie die nun die Flossen 9 der Schlauchbeutelpackung bildenden Quersiegelungsnähte.2 shows the folded fold 2, the course of the weakening line 3, the folded longitudinal sealing seam 8 and the transverse sealing seams which now form the fins 9 of the tubular bag pack.

Fig. 3 zeigt die Packung in einem etwas vergrößerten Maßstab im Schnitt längs einer zur Richtung 10 (siehe Fig. 2) senkrechten Ebene in einer die Falte 2 enthaltenen Teildarstellung. Die Falte 2 bildet einen Dopplungsbereich des Verpackungsmaterials mit zwei Lagen 11 und 12, wobei die an der Packungsoberfläche anliegende Lage 11 die Schwächungslinie 3 enthält, welche entweder aus mehreren im Schwächungslinienverlauf nacheinander angeordneten und voneinander getrennten linienförmigen Durchstanzungen oder aus einer kurz vor den Enden der Quersiegelungsnähte endenden durchgehenden linienförmigen Schlitzung besteht.FIG. 3 shows the pack on a somewhat enlarged scale in section along a plane perpendicular to direction 10 (see FIG. 2) in a partial representation containing fold 2. The fold 2 forms a doubling area of the packaging material with two layers 11 and 12, the layer 11 lying against the packaging surface containing the weakening line 3, which consists of several in the weakening lines runs successively arranged and separated from each other line-shaped punchings or consists of a continuous line-shaped slit ending shortly before the ends of the transverse sealing seams.

Das Öffnen der Packung sei nun anhand der Figuren 4 und 5 näher beschrieben.The opening of the package will now be described in more detail with reference to FIGS. 4 and 5.

Zum Öffnen der Packung wird diese zu beiden Seiten der Falte 2 mit den Händen angefaßt und um eine innerhalb der Packung unter der Schokoladeriegel-Teilungskerbe 7 (Fig. 3) und parallel zu dieser verlaufenden Achse bei gleichzeitigem Durchbrechen der Schokoladetafel 5 so abgeknickt, daß die Falte 2 an der Außenseite des Knickes zu liegen kommt (siehe Fig. 4). Dabei wird - wie durch die Pfeile 13 angedeutet - zu beiden Seiten der Falte 2 in der Packungshülle eine Zugspannung erzeugt, welche bewirkt, daß die beiden die Falte 2 bildenden Verpackungsmaterial-Lagen 11, 12 unter Auftrennung der Siegel-Verbindung mit fortschreitendem Abknicken der Packung von der Packungsinnenseite ausgehend voneinander abgeschält werden. Dies geschieht solange, bis diese Auftrennung die längs der Linie 3 in der Verpackungsmaterial-Lage 11 angebrachten Durchstanzungen erreicht, wonach unter Durchreißen der zwischen den Durchstanzungen bestehenden Materialbrücken die Packung in etwa so weit durchknickt, wie in Fig. 5 gezeigt. Dabei hat sich an der längs der Linie 3 durchgerissenen Verpackungsmaterial-Lage 11 in der Packungshülle eine schlitzförmige Öffnung 14 (Fig. 5) gebildet, durch die Verpackungsgut aus der Packung entnommen werden kann.To open the package, it is gripped with both hands on both sides of the fold 2 and bent around one inside the package under the chocolate bar dividing notch 7 (FIG. 3) and parallel to this axis while simultaneously breaking through the chocolate bar 5 so that the Fold 2 comes to lie on the outside of the crease (see Fig. 4). Thereby - as indicated by the arrows 13 - a tensile stress is generated on both sides of the fold 2 in the packaging envelope, which causes the two layers of packaging material 11, 12 forming the fold 2 to separate the seal connection with progressive kinking of the package peel each other from the inside of the pack. This continues until this separation reaches the punched holes along the line 3 in the packaging material layer 11, after which, by tearing through the material bridges between the punched holes, the pack kinks approximately as far as shown in FIG. 5. In this case, a slot-shaped opening 14 (FIG. 5) has formed on the packaging material layer 11 torn along the line 3 in the packaging envelope, through which packaging material can be removed from the package.

Bei dervorstehend beschriebenen Packung wird beispielsweise ein dreischichtig aufgebautes Verpackungsmaterial verwendet, welches - von der Packungsaußenseite ausgehend-aus einer 0,012 bis 0,020 mm starken Folie aus biaxial gerecktem Polypropylen (OPP), einer 0,007 bis 0,009 mm starken Aluminiumfolie, einem Papier einer Grammatur von 20 bis 60 g/m2 und einer vorzugsweise im Profil angebrachten Kaltkleberbeschichtung auf Latexbasis (2 bis 7 g/m2 Feststoff) besteht.In the case of the package described above, for example, a three-layer packaging material is used which, starting from the outside of the package, consists of a 0.012 to 0.020 mm thick film made of biaxially stretched polypropylene (OPP), a 0.007 to 0.009 mm thick aluminum film, a paper with a grammage of 20 to 60 g / m 2 and a latex-based cold adhesive coating preferably applied in the profile (2 to 7 g / m 2 solid).

Nach einer anderen vorteilhaften Ausführung der erfindungsgemäßen Packung weist die Verpackungsmaterial-Lage 11 längs der Linie 3 keine Durchstanzungen, sondern Materialverschwächungen auf, die eine Schwächungslinie bilden. Geeignete Verpackungsmaterialien, in denen solche Schwächungslinien mit reproduzierbarer Materialverschwächung vorgesehen werden konnen, sind vorteilhaft mehrschichtig aufgebaut und bestehen mindestens aus einer Trägerschicht und einer Deckschicht, wobei längs der vorgesehenen Schwächungslinie die von der undurchbrochenen Deckschicht abgedeckte Trägerschicht mit einer Durchstanzung oder einer Reine von voneinander getrennten linienförmigen Durchstanzungen versehen ist. Ein dazu geeignetes zweischichtig aufgebautes Verpackungsmaterial besteht - von der Packungsaußenseite ausgehend - aus einem Papier mit einer Grammaturvon 20 bis 50 g/m2 als Trägerschicht, einer 0,007 bis 0,009 starken Aluminiumfolie als Deckschicht und einer anschließenden Kaltkleberbeschichtung auf Latexbasis (2 bis 7 g/m2). Als Trägerschicht kann gemäß einer vorteilhaften Variante statt des Papiers eine 0,020 bis 0,040 mm starke OPP-Folie eingesetzt werden.According to another advantageous embodiment of the pack according to the invention, the packaging material layer 11 along the line 3 does not have punchings, but material weakenings that form a weakening line. Suitable packaging materials, in which such weakening lines can be provided with reproducible weakening of the material, are advantageously constructed in multiple layers and consist of at least one backing layer and one top layer, along the intended weakening line the backing layer covered by the uninterrupted top layer with a punching or a purity of linear lines separated from one another Punching is provided. A suitable two-layer packaging material consists - starting from the outside of the pack - of paper with a grammage of 20 to 50 g / m 2 as the backing, a 0.007 to 0.009 thick aluminum foil as the top layer and a subsequent cold adhesive coating based on latex (2 to 7 g / m 2 ). According to an advantageous variant, a 0.020 to 0.040 mm thick OPP film can be used as the carrier layer.

Das Öffnen dieser Packung erfolgt in gleicher Weise wie anhand der Figuren 3 bis 5 beschrieben. Wird bei der durch das Abknicken der Packung bewirkten Auftrennung der KaltsiegelVerbindung zwischen den Lagen 11, 12 der Falte 2 die längs der Linie 3 angeordnete Schwächungslinie erreicht, reißt diese auf, wodurch sich an ihrer Stelle eine schlitzförmige Öffnung 14 in der Packungshülle bildet, durch die Verpackungsgut entnommen werden kann.This package is opened in the same way as described with reference to FIGS. 3 to 5. If the cold seal connection between the layers 11, 12 of the fold 2, which is caused by the kinking of the pack, reaches the weakening line arranged along the line 3, this breaks open, as a result of which a slit-shaped opening 14 is formed in the pack envelope through which Packaged goods can be removed.

Anstelle der Kaltklebebeschichtung kann in der Packung gemäß den Figuren 1 bis 3 auch eine Heißsiegelschicht verwendet werden.Instead of the cold adhesive coating, a heat seal layer can also be used in the package according to FIGS. 1 to 3.

Der Abstand der Durchstanzungen und/oder Materialverschwächungen vom packungsinnenseitigen Rand des die ganze Faltenbreite einnehmenden Verbindungsbereichs soll vorteilhaft mindestens 1 mm betragen, d.h. er soll so groß sein, daß auch bei Ungenauigkeiten in der Packungsherstellung diese Durchstanzungen und/ oder Materialverschwächungen sicher innerhalb des Verbindungsbereiches 15 (siehe Fig. 1 und Fig. 3) zu liegen kommen.The distance between the punched holes and / or material weakenings from the inner edge of the pack of the connection area which occupies the entire width of the fold should advantageously be at least 1 mm, i.e. it should be so large that even if there are inaccuracies in the production of the package, these punchings and / or material weakenings can safely lie within the connection area 15 (see FIGS. 1 and 3).

Claims (6)

1. Tubular bag package consisting of a lumpy material, in particular subdivided or able to be subdivided into several pieces, and of a covering formed from a laminar, foldable packing material, which has a strip-shaped doubling region of the packing material, in which the two layers of. packing material (11, 12) forming the doubling region are connected with each other via a strip-shaped connection region (15), whereby in one of the two layers (11) of the doubling region perforations and/or areas of weakened material are provided within the strip-shaped connection region (15) as an aid to opening, characterised in that the doubling region, which is provided in one of its layers (11) with perforations and/or areas of weakened material, is a fold (2) which is formed on the covering surface and which is provided in addition to the doubling region containing the longitudinal sealing seam (8) of the tubular bag package.
2. Package according to Claim 1, characterised in that the perforations and/or areas of weakened material have a minimum distance of more than 1 mm from the edges of the strip-shaped connection region (15, 20, 26, 32).
3. Package according to one of Claims 1 or 2, characterised in that the layers of packing material are connected with each other in the connection region by a cold-sealing binding means.
4. Package according to one of Claims 1 or 2, characterised in that the layers of packing material are connected with each other in the connection region by heat-sealing.
5. Package according to one of Claims 1 to 4, characterised in that the perforations, which are applied in the connection region (15, 20, 26, 32) in one of the two layers of packing material (11, 18, 27, 33), consist of one linear perforation or of several linear perforations, arranged along a line, but separated from each other.
6. Package according to one of Claims 1 to 4, using a multi-layered packing material, characterised in that the areas of weakened material, which are applied in the connection region (15, 20, 26, 32) in one of the two layers of packing material (11, 18, 27, 35) form a line of weakened material (3, 21, 28, 35) which is formed in the packing material in that a support layer, constituting a part of the thickness of the packing material, and covered by an unbroken cover layer, is provided with linear perforations along the line of weakened material.
EP85104700A 1984-04-20 1985-04-18 Package for piece goods Expired - Lifetime EP0162291B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT133384 1984-04-20
AT1333/84 1984-04-20

Publications (3)

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EP0162291A1 EP0162291A1 (en) 1985-11-27
EP0162291B1 EP0162291B1 (en) 1988-02-10
EP0162291B2 true EP0162291B2 (en) 1990-10-10

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Family Applications (1)

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EP85104700A Expired - Lifetime EP0162291B2 (en) 1984-04-20 1985-04-18 Package for piece goods

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US (1) US4658963A (en)
EP (1) EP0162291B2 (en)
AT (1) ATE32451T1 (en)
DE (1) DE3561591D1 (en)

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Also Published As

Publication number Publication date
DE3561591D1 (en) 1988-03-17
EP0162291B1 (en) 1988-02-10
US4658963A (en) 1987-04-21
ATE32451T1 (en) 1988-02-15
EP0162291A1 (en) 1985-11-27

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