EP0162291A1 - Package for piece goods - Google Patents
Package for piece goods Download PDFInfo
- Publication number
- EP0162291A1 EP0162291A1 EP85104700A EP85104700A EP0162291A1 EP 0162291 A1 EP0162291 A1 EP 0162291A1 EP 85104700 A EP85104700 A EP 85104700A EP 85104700 A EP85104700 A EP 85104700A EP 0162291 A1 EP0162291 A1 EP 0162291A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging material
- area
- layers
- packaging
- doubling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005022 packaging material Substances 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000003313 weakening effect Effects 0.000 claims abstract description 27
- 238000004806 packaging method and process Methods 0.000 claims abstract description 23
- 238000004080 punching Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims description 7
- 235000019219 chocolate Nutrition 0.000 abstract description 10
- 235000015173 baked goods and baking mixes Nutrition 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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 an essentially gas-tight package for packaging lumpy packaging goods, optionally divided or subdivided into several parts, with a casing formed from a flat, foldable packaging material and having an opening aid, which has a strip-shaped doubling area of the packaging material, in which the two the packaging material layers forming the doubling area are connected to one another via a strip-shaped connecting area.
- the packs according to the invention are preferably not to be designed exclusively as tubular bag packs.
- Packs with a doubling area of the packaging material are e.g. Tubular bags or full-wrap packaging with envelope folding. Such packages are often used for packaging food, e.g. of long-life baked goods, but also of chocolate.
- tubular bag packs in which such doubling areas occur in the form of the fins or fins of the pack produced by longitudinal or transverse sealing seams can be produced on relatively simple packaging machines with a high throughput and have compared to other types of packaging, such as e.g. Wrapping packaging, e.g.
- Wrapping packaging e.g. Another advantage is that its casing can be produced essentially gas-tight by the simple design of the longitudinal or transverse sealing seams, which results in an improved durability of the packaged goods.
- a gas-tight packing of this type is known from published PCT - known application WO 80/02927 (Note No. PCT / AT80 / 00,017th).
- the packaging material has a doubling area in which it forms two layers which are connected to one another flatly with the aid of a binding agent and on which the start of a tear strip is located weakening lines arranged in a special way in the aforementioned doubling area, while maintaining the gas tightness of the packing envelope, enables the tear-open element to be actuated without problems.
- the invention achieves the object of creating an essentially gas-tight package of the type mentioned at the beginning, in which two layers of packaging material forming a doubling area are connected to one another via a strip-shaped connecting area, but in which no particular one is now involved Scraper strips are required, in which the opening aid does not impair the gas tightness and the package can nevertheless be opened in a simple manner with little effort.
- Figures 1 and 2 each schematically show a phase of the production of a preferred embodiment of the pack according to the invention or the finished pack in a perspective view.
- the packaging machine is first in one of the Roll removed and on one side provided with a sealing layer attached in the profile packaging material web 1 continuously formed a fold 2, the two layers of packaging material forming the doubling area of the fold 2 being connected to one another over the entire width of the fold by sealing the profile sealing layers present 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 that 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.
- 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.
- 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 between two successive chocolate bars with two transverse sealing seams running parallel to one another and by separating cuts between these two transverse sealing seams in individual tubular bags packs divided.
- Eig.3 shows the package in a somewhat enlarged dimension - rod-in section along a plane perpendicular to the direction 10 (see Fig. 2) in the fold of a partial representation contained 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 either consists of a plurality of line-shaped punchings arranged one after the other in the course of the weakening line, or one shortly before the ends of the transverse sealing seams ending continuous line-shaped slit exists.
- FIGS. 4 and 5 which - also in a partial illustration in section - show two different phases of the opening process.
- a slit-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.
- the packaging described above uses, for example, a three-layer packaging material which - starting from the outside of the packaging - is made from 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, and 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' with reproducible weakening of the material can be provided, are advantageously constructed in multiple layers and consist of at least one carrier layer and a top layer, along the intended weakening line the carrier layer covered by the uninterrupted top layer with a punching or a series of separate layers line-shaped punchings is provided.
- a suitable two-layer packaging material exists - from the outside of the package going - from a paper with a grammage of 20 to 50 g / m 2 as a base layer, a 0.007 to 0.009 thick aluminum foil as a cover 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 line of weakness arranged along the line 3 is reached when the cold seal connection between the layers 11, 12 of the fold 2 is separated by the kinking of the package, this tears open, as a result of which a slot-shaped opening 14 is formed in the package envelope, through which packaging can be removed.
- a heat seal layer can also be used in the package according to FIG. 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 manufacture of the package, these punched-throughs and / or material weakenings can safely lie within the connection area 15 (see FIGS. 1 and 3).
- FIG. 6 shows schematically in section a further advantageous variant of the pack according to the invention designed as a tubular bag pack.
- the longitudinal sealing seam 16 folded over onto the surface of the pack envelope forms a doubling area 17 for packaging material with two layers of packaging material 18, 19, which through a strip-shaped connecting area 20 through Cold seal binders are interconnected.
- the pack according to FIG. 6 corresponds to the known tubular bag packs.
- the pack according to FIG. 6 corresponds to the known tubular bag packs.
- a number of separate, line-shaped punchings are provided along the line 21 within the connecting area 20.
- the longitudinal sealing seam 16 forming the doubling area 17 is arranged in such a way that it extends from the packaging envelope at a chocolate bar dividing notch 22.
- the package is opened - analogously to that described with reference to FIGS. 4 and 5 - by bending the package in the direction of the arrows 23.
- the pack according to FIG. 6 is characterized by a particular simplicity, but does not have as wide a range of variation as the pack described with reference to FIGS. It is namely expedient, for example, to apply the longitudinal sealing seam of a tubular bag package in a central region of the front face of the package, since arranging it near the edge of the package would result in manufacturing problems. Furthermore, the longitudinal sealing seam is usually produced with the aid of a sealing tool in the form of a driven pair of sealing rollers, which at the same time brings about the feeding of the packaging material tube. In order to be able to transmit the required feed force from the pair of sealing rolls to the packaging material tube, the longitudinal sealing seam usually has a greater width than would be necessary to produce a gas-tight sealing connection.
- the fold 2 forming the doubling area of the packaging material in the case of the pack according to FIGS be arranged and their width in most cases smaller than that of the doubling area of a tubular bag longitudinal sealing seam.
- Fig. 7 shows schematically in section a wrapping package for baked goods in which the packaging material 24 forms a doubling area 25, within which two layers of packaging material are connected to one another in a strip-shaped connection area 26 by a layer of a cold or heat seal binder.
- the inner packaging material layer 27 of the doubling region 25 has a weakening line 28 (in the direction perpendicular to the plane of the drawing).
- a package that is not opened by kinking is described below with reference to FIGS. 8 and 9.
- FIGS. 8 and 9 each show a partial representation in section of one end of a tubular bag pack for chocolate before or after opening.
- a doubling area 31 which, as is customary with tubular bag packs, is formed by a transverse sealing seam in the form of a fin.
- two layers of packaging material are connected to one another within a strip-shaped connecting area 32 by a layer of a sealing binder.
- the upper packaging material layer 33 there is a weakening link near the inner edge 34 of the connection area 32 never arranged 35.
- the fin is grasped and pulled in the direction of arrow 36, whereby the connection in the binder joint between the weakening line 35 and the edge 34 is peeled off and the packaging material layer 33 is torn open along the weakening line-35, and thereby - as shown in FIG. 9 - forms an opening 37 for removing the packaged goods.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
Eine leicht zu öffnende gasdichte Packung zum Verpacken von stückigem, insbesondere in mehrere Teilstücke unterteiltem oder unterteilbarem Verpackungsgut, wie Schokolade oder Dauerbackwaren, besteht aus einer Hülle aus flächigem Verpackungsmaterial (1), die einen streifenförmigen Verpakkungsmaterial-Dopplungsbereich (2, 17, 25, 31) aufweist, innerhalb von dem die beiden Verpackungsmaterial-Lagen über einen streifenförmigen Bereich (15, 20, 26, 32) miteinander verbunden sind, wobei in diesem Verbindungsbereich (15, 20, 26, 32) in einer der beiden Lagen (11, 18, 27, 33) des Dopplungsbereiches (2, 17, 25,31) als Öffnungshilfe Durchstanzungen und/oder Materialverschwächungen vorgesehen sind. Der Dopplungsbereich kann vorteilhaft durch eine an einer Flachseite der Hülle im Verpackungsmaterial (1) ausgebildete Falte (2) oder - bei Schlauchbautelpackungen-durch die Längssiegelungsnaht (16) oder eine der Quersiegelungsnähte gebildet sein. Das Öffnen erfolgt insbesondere durch Knicken der Packung an der stelle des Doppungsbereiches, wodurch dieser aufgetrennt wird und schließlich in der Packungshülle an den Durchstanzungan oder Materialverschwächungen eine schlitzförmige Öffnung freigegeben wird bzw. aufreißt.An easy-to-open gas-tight package for packaging lumpy packaging goods, such as chocolate or long-life bakery products, divided or subdivided into several parts, consists of a wrapper made of flat packaging material (1), which has a strip-like packaging material doubling area (2, 17, 25, 31 ), within which the two layers of packaging material are connected to one another via a strip-shaped area (15, 20, 26, 32), in which connection area (15, 20, 26, 32) in one of the two layers (11, 18 , 27, 33) of the doubling area (2, 17, 25, 31) punchings and / or material weakenings are provided as opening aids. The doubling area can advantageously be formed by a fold (2) formed on a flat side of the casing in the packaging material (1) or - in the case of tubular component packs - by the longitudinal sealing seam (16) or one of the transverse sealing seams. The opening takes place in particular by kinking the package at the point of the doubling area, as a result of which the latter is separated and finally a slot-shaped opening is opened or torn open in the package envelope at the punching or material weakenings.
Description
Die Erfindung betrifft eine im wesentlichen gasdichte Pakkung zum Verpacken von stückigem, gegebenenfalls in mehrere Teilstücke unterteiltem oder unterteilbarem Verpackungsgut mit einer aus einem flächigen, faltbaren Verpackungsmaterial gebildeten und eine>'öffnungshilfe aufweisenden Hülle, die einen streifenförmigen Dopplungsbereich des Verpakkungsmaterials aufweist, in welchem die beiden den Dopplungsbereich bildenden Verpackungsmaterial-Lagen über einen streifenförmigen Verbindungsbereich miteinander verbunden sind. Die erfindungsgemäßen Packungen sollen dabei vorzugsweise jedoch nicht auschließlich als Schlauchbeutelpackungen ausgeführt sein.The invention relates to an essentially gas-tight package for packaging lumpy packaging goods, optionally divided or subdivided into several parts, with a casing formed from a flat, foldable packaging material and having an opening aid, which has a strip-shaped doubling area of the packaging material, in which the two the packaging material layers forming the doubling area are connected to one another via a strip-shaped connecting area. However, the packs according to the invention are preferably not to be designed exclusively as tubular bag packs.
Packungen mit einem Dopplungsbereich des Verpackungsmaterials sind z.B. Schlauchbeutelpackungen oder Volleinschlagverpackungen mit Kuvertfaltung. Solche Packungen werden häufig zum Verpacken von Lebensmitteln, wie z.B. von Dauerbackwaren, aber auch von Schokolade verwendet. Insbesondere Schlauchbeutelpackungen, an denen solche Dopplungsbereiche in Form der durch Längs- bzw. Quersiegelungsnähte hergestellten Finnen bzw. Flossen der Packung auftreten, können auf relativ einfachen Verpackungsmaschinen mit großem Durchsatz hergestellt werden und haben gegenüber anderen Verpackungsarten, wie z.B. Einschlagverpackungen, u.a. noch den Vorteil, daß ihre Hülle durch die einfache Ausbildung der Längs- bzw. Quersiegelungsnähte im wesentlichen gasdicht herstellbar ist, woraus sich eine verbesserte Haltbarkeit des Verpackungsgutes ergibt.Packs with a doubling area of the packaging material are e.g. Tubular bags or full-wrap packaging with envelope folding. Such packages are often used for packaging food, e.g. of long-life baked goods, but also of chocolate. In particular, tubular bag packs in which such doubling areas occur in the form of the fins or fins of the pack produced by longitudinal or transverse sealing seams can be produced on relatively simple packaging machines with a high throughput and have compared to other types of packaging, such as e.g. Wrapping packaging, e.g. Another advantage is that its casing can be produced essentially gas-tight by the simple design of the longitudinal or transverse sealing seams, which results in an improved durability of the packaged goods.
Sowohl bei Schlauchbeutelpackungen als auch bei Volleinschlagverpackungen mit Kuvertfaltung ist es bekannt, als öffnungshilfe einen Aufreißstreifen vorzusehen, dessen Anfang meist an einem Dopplungsbereich des Verpackungsmaterials z.B. an einer Siegelungsnaht der Packungshülle liegt, wodurch es schwierig ist, solche Packungen völlig gasdicht herzustellen.Both in tubular bag packs and in full-wrap packs with envelope folding, it is known to provide a tear strip as an opening aid, the beginning of which is usually due to a doubling area of the packaging material, for example a sealing seam of the packing envelope, making it difficult to make such packs completely gas-tight.
Eine gasdichte Packung dieser Art ist aus der veröffentlichten PCT-Anmeldung WO 80/02927 (Anm. Nr.PCT/AT80/00017) bekannt. Bei dieser bekannten Packung, die vorteilhaft als Schlauchbeutelpackung ausgeführt " ist, weist das Verpak- kungsmaterial einen Dopplungsbereich auf, in dem es zwei mit Hilfe eines Bindemittels flächig miteinander verbundene Lagen bildet und an dem sich der Anfang eines Aufreißstreifens befindet. Durch an dem Verpackungsmaterial in dem genannten Dopplungsbereich in besonderer Weise angeordnete Schwächungslinien wird, unter Beibehaltung der Gasdichtheit der. Packungshülle, eine unproblematische Betätigung des Aufreißorgans ermöglicht.A gas-tight packing of this type is known from published PCT - known application WO 80/02927 (Note No. PCT / AT80 / 00,017th). In this known pack, which is advantageously designed as a tubular bag pack, the packaging material has a doubling area in which it forms two layers which are connected to one another flatly with the aid of a binding agent and on which the start of a tear strip is located weakening lines arranged in a special way in the aforementioned doubling area, while maintaining the gas tightness of the packing envelope, enables the tear-open element to be actuated without problems.
Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, löst die Aufgabe, eine im wesentlichen gasdichte Pakkung der eingangs genannten Art zu schaffen, bei welcher zwei einen Dopplungsbereich bildende Verpackungsmaterial-Lagen Ober einen streifenförmigen Verbindungsbereich miteinander verbunden sind, bei der aber nun kein besonderer Aufstreifstreifen benötigt wird, bei welcher die öffnungshilfe die Gasdichtheit nicht beeinträchtigt und die Packung dennoch auf einfache Weise mit geringem Kraftaufwand geöffnet werden kann.The invention, as characterized in the claims, achieves the object of creating an essentially gas-tight package of the type mentioned at the beginning, in which two layers of packaging material forming a doubling area are connected to one another via a strip-shaped connecting area, but in which no particular one is now involved Scraper strips are required, in which the opening aid does not impair the gas tightness and the package can nevertheless be opened in a simple manner with little effort.
Die Erfindung wird nachstehend anhand der Figuren näher erläutert.The invention is explained in more detail below with reference to the figures.
Die Figuren 1 und 2 zeigen jeweils schematisch eine Phase der Herstellung einer bevorzugten Ausführung der erfindungsgemäßen Packung bzw. die fertige Packung in perspektivischer Darstellung.Figures 1 and 2 each schematically show a phase of the production of a preferred embodiment of the pack according to the invention or the finished pack in a perspective view.
In der Verpackungsmaschine wird 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 Verpackungsmaterilbahn 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 Verpackungsmaterialbahn 1 umgelegt, derart, daß jene Verpackungsmateriallage, innerhalb welcher sich die Schwächungslinie 3 befindet, an der Oberfläche 4 der Verpackungsamterialbahn 1 anliegt. Gegebenenfalls können diese Schwächungslinien auch mit einer geeigneten Vorrichtung direkt an der Verpackungsmaschine unmittelbar vor Herstellung der Falte angebracht werden.In the packaging machine is first in one of the Roll removed and on one side provided with a sealing layer attached in the profile
Die so mit einer Längsfalte 2. versehene 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
Aus der um die Schokoladetafeln 5 umgeschlagene Verpakkungsmaterialbahn 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 velaufenden Quersiegelungsnähten versehen und durch Trennschnitte zwischen diesen beiden Quersiegelungsnähten in Einzelschlauchbeutelpackungen unterteilt.From the
An der in Fig 2 dargestellten Einzelpackung erkennt man die umgelegte Falte 2, den Verlauf der Schwächungslinie 3, die umgelegte Längssiegelungsn B sowie die nun die Flossen 9 der Schlauchbeutelpackung bildenden Quersiegelungsnähte.2 shows the folded
Eig.3 zeigt die Packung in einem etwas vergrößerten Maß- stab 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.Eig.3 shows the package in a somewhat enlarged dimension - rod-in section along a plane perpendicular to the direction 10 (see Fig. 2) in the fold of a partial representation contained 2. The
Das Öffnen der Packung sei nun anhand der Figuren 4 und 5, welche - ebenfalls in einer Teildarstellung im Schnitt - zwei verschiedene Phasen der öffnungsvorganges zeigen, näher beschrieben.The opening of the package will now be described in more detail with reference to FIGS. 4 and 5, which - also in a partial illustration in section - show two different phases of the opening process.
Zum öffnen der Packung wird diese zu beiden Seiten der Falte 2 mit den Händen angefaßt und um eine innerhalb der Pakkung 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 Verpacküngsmaterial-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, this is grasped on both sides of the
Bei der vorstehend 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.The packaging described above uses, for example, a three-layer packaging material which - starting from the outside of the packaging - is made from 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, and 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 können, 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 Reihe von voneinander getrennten linienförmigen Durchstanzungen versehen ist. Ein dazu geeignetes zweischichtig aufgebautes Verpakkungsmaterial besteht - von der Packungsaußenseite ausgehend - aus einem Papier mit einer Grammatur von 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
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 Kaltsiegel-Verbindung 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 schlitzförmgle 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 line of weakness arranged along the
Anstelle der Kaltklebebeschichtung kann in der Packung gemäß Fig. 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 FIG. 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 manufacture of the package, these punched-throughs and / or material weakenings can safely lie within the connection area 15 (see FIGS. 1 and 3).
Fig. 6 zeigt schematisch im Schnitt eine weitere vorteilhafte Variante der als Schlauchbeutelpackung ausgeführtem erfindungsgemäßen Packung. Bei dieser Packung bildet dis auf die Oberfläche der Packungshülle umgeschlagene Längssiegelungsnaht 16 einen Verpackungsmaterial-Dopplungsbereich 17 mit zwei Verpackungsmaterial-Lagen 18, 19, welche Ober einen streifenförmigen Verbindungsbereich 20 durch ein Kaltsiegel-Bindemittel miteinander verbunden sind.6 shows schematically in section a further advantageous variant of the pack according to the invention designed as a tubular bag pack. In this pack, the
Soweit bisher beschrieben, entspricht die Packung gemäß Fig. 6 den bekannten Schlauchbeutelpackungen. Gemäß der Erfindung sind nun in einer der Lagen des Dopplungsbereiches 17 - in der gezeigten Ausführung in der an der Pakkungshüllenoberfläche anliegenden Lage 18 - innerhalb des Verbindungsbereiches 20 längs der Linie 21 mehrere voneinander getrennte linienförmige Durchstanzungen vorgesehen. Außerdem ist die den Dopplungsbereich 17 bildende Längssiegelungsnaht 16 so angeordnet, daß sie an einer Schokoladeriegel-Teilungskerbe 22 von der Packungshülle ausgeht.As far as described so far, the pack according to FIG. 6 corresponds to the known tubular bag packs. According to the invention, in one of the layers of the doubling area 17 - in the embodiment shown in the layer 18 lying on the packaging envelope surface - a number of separate, line-shaped punchings are provided along the line 21 within the connecting
Das Öffnen der Packung erfolgt - analog wie anhand der Figuren 4 und 5 beschrieben - durch Abknicken der Packung in Richtung der Pfeile 23.The package is opened - analogously to that described with reference to FIGS. 4 and 5 - by bending the package in the direction of the
Die Packung gemäß Fig. 6 zeichnet sich durch eine besondere Einfachheit aus, hat aber nicht so breite Variationsmöglichkeiten wie die anhand der Figuren 1 bis 5 beschriebene Packung. Es ist nämlich z.B. zweckmäßig, die Längssiegelungsnaht einer Schlauchbeutelpackung in einem mittleren Bereich der Packungsfrontfläche anzubringen, ihre Anordnung in der Nähe des Packungsrandes ergäbe fertigungstechnische Probleme. Ferner erfolgt die Herstellung der Längssiegelungsnaht meist mit Hilfe eines Siegelungswerkzeuges in Form eines angetriebenen Siegelrollenpaares, welches gleichzeitig den Vorschub des Verpackungsmaterialschlauches bewerkstelligt. Um die erforderliche Vorschubkraft von dem Siegelrollenpaar auf den Verpackungsmaterialschlauch übertragen zu können, hat die Längssiegelungsnaht meist eine größere Breite als es zur Herstellung einer gasdichten Siegelungsverbindung an sich erforderlich wäre. Die bei der Packung gemäß den Figuren 1 bis 5 den Verpackungsmaterial-Dopplungsbereich bildende Falte 2 kann hingegen an praktisch jeder beliebigen Stelle der Packungshüllen-Oberfläche angeordnet werden und ihre Breite in den meisten Fällen kleiner sein als die des Dopplungsbereiches einer Schlauchbeutelpackung-Längssiegelungsnaht.The pack according to FIG. 6 is characterized by a particular simplicity, but does not have as wide a range of variation as the pack described with reference to FIGS. It is namely expedient, for example, to apply the longitudinal sealing seam of a tubular bag package in a central region of the front face of the package, since arranging it near the edge of the package would result in manufacturing problems. Furthermore, the longitudinal sealing seam is usually produced with the aid of a sealing tool in the form of a driven pair of sealing rollers, which at the same time brings about the feeding of the packaging material tube. In order to be able to transmit the required feed force from the pair of sealing rolls to the packaging material tube, the longitudinal sealing seam usually has a greater width than would be necessary to produce a gas-tight sealing connection. The
Fig. 7 zeigt schematisch im Schnitt eine Einschlagpackung für Dauerbackwaren, bei der das Verpackungsmaterial 24 einen Dopplungsbereich 25 bildet, innerhalb von dem zwei Verpackungsmaterial-Lagen in einen streifenförmigen Verbindungsbereich 26 durch eine Schicht eines Kalt- oder Heißsiegel-Bindemittels miteinander verbunden sind. Die innere Verpackungsmaterial-Lage 27 des Dopplungsbereiches 25 weist eine (in Richtung senkrecht zur Zeichnungsebene) verlaufende Schwächungslinie 28 auf. Durch Abknicken der Packung im Sinne der Pfeile 29 wird die Verbindung in der Bindemittelfuge zwischen der Schwächungslinie 28 und dem packungsaußenseitigen Rand 30 des Verbindungsbereiches 26 abgeschält und die Verpackungsmaterial-Lage 27 längs der Schwächungslinie 28 aufgerissen, wodurch sich analog wie in Fig. 5 gezeigt in der Packungshülle eine schlitzförmige öffnung zur Entnahme des Verpackungsgutes bildet.Fig. 7 shows schematically in section a wrapping package for baked goods in which the
Eine Packung, die nicht durch Abknicken geöffnet wird, ist nachstehend anhand der Figuren 8 und 9 beschrieben.A package that is not opened by kinking is described below with reference to FIGS. 8 and 9.
Die Figuren 8 und 9 zeigen jeweils in einer Teildarstellung im Schnitt das eine Ende einer Schlauchbeutelpackung für Schokolade vor bzw. nachdem Öffnen. Am Ende der Schlauchbeutelpackung (siehe Fig. 8) ist ein Dopplungsbereich 31 vorgesehen, der - wie bei Schlauchbeutelpackungen üblich - durch eine Quersiegelungsnaht in Form einer Flosse ausgebildet ist. In diesem Dopplungsbereich 31 sind zwei Verpackungsmaterial-Lagen innerhalb eines streifenförmigen Verbindungsbereiches 32 durch eine Schicht eines Siegel-Bindemittels miteinander verbunden. In der oberen Verpakkungsmaterial-Lage 33 ist nahe dem packungsinnenseitigen Rand 34 des Verbindungsbereiches 32 eine Schwächungslinie 35 angeordnet.FIGS. 8 and 9 each show a partial representation in section of one end of a tubular bag pack for chocolate before or after opening. At the end of the tubular bag pack (see FIG. 8) there is a
Zum öffnen der Packung wird die Flosse angefaßt und in Richtung des Pfeiles 36 gezogen, wodurch die Verbindung in der Bindemittelfuge zwischen der Schwächungslinie 35 und dem Rand 34 abgeschält und die Verpackungsmaterial-Lage 33 längs der Schwächungslinie-35 aufgerissen wird, und dabei sich - wie in Fig. 9 gezeigt - eine öffnung 37 zur Entnahme des Verpackungsgutes bildet.To open the package, the fin is grasped and pulled in the direction of
Claims (8)
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 true EP0162291A1 (en) | 1985-11-27 |
EP0162291B1 EP0162291B1 (en) | 1988-02-10 |
EP0162291B2 EP0162291B2 (en) | 1990-10-10 |
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EP85104700A Expired - Lifetime EP0162291B2 (en) | 1984-04-20 | 1985-04-18 | Package for piece goods |
Country Status (4)
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US (1) | US4658963A (en) |
EP (1) | EP0162291B2 (en) |
AT (1) | ATE32451T1 (en) |
DE (1) | DE3561591D1 (en) |
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WO1988000562A1 (en) * | 1986-07-22 | 1988-01-28 | Folienwalzwerk Brüder Teich Aktiengesellschaft | Package for packing pieces of goods and process of manufacture thereof |
DE3927561A1 (en) * | 1989-08-21 | 1991-02-28 | Jacobs Suchard Gmbh | PACKAGING AND CUTTING AND METHOD FOR THE PRODUCTION THEREOF |
FR2838298A1 (en) * | 2002-04-12 | 2003-10-17 | Lu France | Wrapped confectionery, within a plastics film, has a structured resistance to rupture by the contents and the wrapping film, to allow it to be snapped apart in a preferred direction to give divided portions |
WO2003086898A1 (en) * | 2002-04-12 | 2003-10-23 | Lu France | Packaged food product which can be split into parts |
DE102009000331A1 (en) * | 2009-01-20 | 2010-07-22 | Robert Bosch Gmbh | Tubular bag packaging for tabular general cargo |
WO2010121731A1 (en) | 2009-04-23 | 2010-10-28 | Manfred Haiss | Tubular-bag packaging, and method for opening it and for producing it |
DE102010004440B3 (en) * | 2009-04-23 | 2010-12-16 | Manfred Haiss | Tubular bag packaging and method for its production |
EP2576204B1 (en) * | 2010-05-25 | 2018-02-28 | Mondi AG | Film and packaging produced from such a film having an opening aid that is sensitive to compressive force |
EP3202683A1 (en) * | 2013-02-15 | 2017-08-09 | Intercontinental Great Brands LLC | Packages having separable sealing features and methods of manufacturing |
US10124946B2 (en) | 2013-02-15 | 2018-11-13 | Intercontinental Great Brands Llc | Packages having separable sealing features and methods of manufacturing |
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Also Published As
Publication number | Publication date |
---|---|
ATE32451T1 (en) | 1988-02-15 |
EP0162291B2 (en) | 1990-10-10 |
US4658963A (en) | 1987-04-21 |
DE3561591D1 (en) | 1988-03-17 |
EP0162291B1 (en) | 1988-02-10 |
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