WO2012055925A2 - Emballage et stratifié pour fabriquer l'emballage - Google Patents

Emballage et stratifié pour fabriquer l'emballage Download PDF

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Publication number
WO2012055925A2
WO2012055925A2 PCT/EP2011/068783 EP2011068783W WO2012055925A2 WO 2012055925 A2 WO2012055925 A2 WO 2012055925A2 EP 2011068783 W EP2011068783 W EP 2011068783W WO 2012055925 A2 WO2012055925 A2 WO 2012055925A2
Authority
WO
WIPO (PCT)
Prior art keywords
laminate
monofilm
seam
monoaxially oriented
range
Prior art date
Application number
PCT/EP2011/068783
Other languages
German (de)
English (en)
Other versions
WO2012055925A3 (fr
Inventor
Thomas Klaus
Arnold Schneider
Manfred Marz
Matthias SCHRÄGLE
Nils Walters
Original Assignee
Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & 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 Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg filed Critical Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg
Publication of WO2012055925A2 publication Critical patent/WO2012055925A2/fr
Publication of WO2012055925A3 publication Critical patent/WO2012055925A3/fr

Links

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
    • B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44—Individual packages cut from webs or tubes
    • B65D75/46—Individual packages cut from webs or tubes containing articles
    • 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
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness

Definitions

  • the invention relates to a package, in particular for small, preferably one-piece products and a laminate or a monofilm for producing such
  • Packaging that is made of a laminate, have long been known and are often used as low-priced, easy to produce and um shimmernam and space-saving disposable alternative to hitherto conventional and known packaging made of paper, cardboard or other packaging materials, such as Staniolfolie, These packaging were in all Usually formed with the help of folds and sealing seams and sealed by means of a sealed seam after filling the goods to be packaged,
  • the invention has for its object to provide a package, in particular for small, preferably one-piece products, such as a chocolate bar, available that easily and inexpensively from a laminate or film produced and easy and targeted without further aids such. ß, scissors, knives or conventional tear strips is obvious. Furthermore, it is the object of the invention to provide a laminate for producing such a package.
  • the object is achieved by packaging, in particular for small, preferably one-piece contents, such as a substantially rectangular chocolate bar or similar sized items, consisting of a laminate or a monofilm, preferably provided with sealing wax or adhesive, with at least one, preferably as Fin seal formed longitudinal seam seam and two designed as fin seal seam transverse sealing seams and formed in the region of at least one of the transverse sealing seams notch, which are within the respective
  • An essential point of the invention is that the packaging according to the invention is closed with a transverse sealing seam, within which there is a notch with a point.
  • the tip which points in a direction substantially orthogonal to the transverse sealing direction, tearing can be initiated, first of the transverse sealing seam and then of the package enclosing the filling material, wherein the crack initiated by the notch opens upon further opening the packaging continues along a laser score line and / or perforation line adjoining the tip and / or along the orientation of a monoaxially oriented film layer of a laminate or monofilm from which the package is made soft.
  • An essential point of the invention lies in the fact that the opening of the packaging starting from a Querersinaht, which is provided with a notch, emanating because the respective part of Querdungeinaht, which is located on both sides of the notch, easily gripped and apart, that can be pulled in particular in the transverse direction of the package.
  • the package according to the invention can be opened in a very advantageous manner by a simple train at the respective sections of the transverse seam, which are each ⁇ adjacent to the notch, with a tearing of the package in the longitudinal direction is not necessary because of such tearing the package according to the invention would only be pulled in a direction substantially orthogonal to the longitudinal direction, possibly with a slight directional vector in the longitudinal direction of the package in the range of 5% to 35%, preferably 10% to 25% of the directional vector, with which tension is exerted in the transverse direction is sufficient to cause the packaging to open.
  • the notch has a channel-like portion with two substantially parallel side boundaries, which extend in the region of the tip to form the tip, in particular with an angle at the top of less than or equal to 90 ° to each other.
  • Another important aspect of the invention is that the laminate or monofilm that adjoins the top of the notch either one
  • Weakening line such as a laser score line and / or a Perforation line or a monoaxial orientation, either by the line of weakness and / or by the monoaxial orientation of a
  • Tear direction of the laminate or monofilm is precisely defined, so that when tearing the packaging a straight line crack without fraying and unwanted cross cracks, so that the packaging is essentially divided into two parts, which, as desired, at the other end of the package , For example, by a point or line seal, remain connected to each other, so that only one packaging part after use of the packaging must be disposed of, or the two resulting from the opening of the packaging packaging parts are separated from each other clean and a removal of a filling, such as a Bar of chocolate, easily possible.
  • a filling such as a Bar of chocolate
  • the channel-like portion of the notch extends over a range of 25% to 75%, preferably over a range of 30% to 60% and more preferably over a range of 45% to 60% of the width of the respective transverse seam, wherein the width of the transverse sealing seam is to be understood as meaning the extent of the transverse sealing seam in the longitudinal direction of withdrawal direction.
  • a respective engagement region on the transverse sealing seam sections provided for opening the packaging is simply defined and particularly easy to grasp, in particular if the channel-like section of the notch has a clearly visible width, for example in the range from 1 mm to 5 mm, preferably in the region from 2 mm to 3 mm. In this way, the handling for opening the package according to the invention is greatly facilitated, since the respective attack areas are clearly recognizable and quasi characterized by the longitudinal extension and the respective distance of the substantially parallel side boundaries of the channel-like portion of the notch.
  • the position of the notch which in each case extends substantially orthogonal to the transverse sealing seam edge, is according to the invention at a distance of 10% to 50% from the longitudinal edge of the packaging, in each case based on the length of the transverse sealing seam in the transverse direction of the packaging.
  • either only an edge strip of the packaging can be separated to open the packaging, or else the packaging body can be substantially halved when opened, so that after opening the packaged product is exposed to a half portion and the packaging is almost equally large Packaging parts is open.
  • a 1/2 * (bl + b2), where bl is the shortest distance of a fill groove transverse edge to an inner edge of the nearest transverse seal and b2 is the shortest distance of the other fill groove edge to the inner edge of the other transverse seal seam.
  • a significant advantage of this embodiment is that when opening the package according to the invention by a lateral pull on the respective sections of the transverse seal in softer the opening notch, a problem-free removal or removal of the demolished in the course of opening the packaging packaging part of the Filling is possible, even if the respective demolished packaging part is not completely from the othermaschinestei! is disconnected.
  • Opening layer defining layer of a first and / or a second monoaxially oriented material comprises or represents such a layer.
  • a notch-initiated opening of the package may be carried out in a targeted manner, following the orientation of the monoaxially oriented material, the orientation of the monoaxially oriented material preferably corresponding to the arrow direction of the notch, but also obliquely, i. at an angle to the longitudinal sealing seam over the
  • Packaging may be lost.
  • a further advantageous point of the invention is further that the opening of the package is effected only by a notch and as a result only by a crack in the packaging, so that opening the package leads to a maximum of two packaging parts which are easily disposable.
  • opening of this packaging may also result in a single opened packaging part, namely when the tear initiated by the notch does not extend completely over the package but ends at the other end of the package, respectively at the other transverse seam. In this way, the package can be opened so that only a single opened packaging part for disposal remains and no unnecessary to be disposed of packaging parts are produced by the opening process.
  • the monoaxially oriented material is selected from one or a mixture of the following materials comprising polyolefins, preferably polyethylene or polypropylene as well as polyethylene terephthalate and polyamide,
  • polyolefin preferably polyethylene or polypropylene
  • the monoaxially oriented material both for defining an opening direction and as a sealing medium
  • polyethylene terephthalate or polyamide has the advantage of an additional barrier effect of these materials so that the monoaxially oriented material used has a double benefit as desired.
  • the laminate used to produce the packaging comprises at least one cellulose and / or cellulose and / or viscose-containing layer, in particular of paper and / or parchment and / or cellophane, or a layer of, in particular highly filled, HDPE (high density Polyethylene) and / or in particular biaxially oriented polyolefin, namely polyethylene or polypropyiene, in particular at low density, preferably in a two-layer composite with the layer of the monoaxially oriented material on.
  • HDPE high density Polyethylene
  • biaxially oriented polyolefin namely polyethylene or polypropyiene
  • the monofilm according to the invention may be filled with the aforementioned materials or, if appropriate with the addition of these materials, foamed.
  • the monofilm according to the invention is preferably at least for this purpose
  • Monofoil itself consist of a sealable material, in which case can be dispensed with an additional sealing medium or an additional adhesive, if desired.
  • sealing wax or adhesive partially coated with sealing wax or adhesive and consists of a first monoaxially oriented material.
  • the object according to the invention is achieved by a laminate for producing such a package, wherein the laminate has at least two layers, one or, in the case of more than two layers, an outermost layer of a first monoaxially oriented material which, as mentioned above
  • the laminate according to the invention may comprise a further layer of a second monoaxially oriented material which is arranged on the opposite side of the laminate from the first monoaxially oriented material, in particular as the outermost layer , which may also be additionally coated with a sealing medium, in particular a heat sealing lacquer, if desired.
  • An advantageous point of the invention is that the monoaxially oriented material according to the invention not or as the outermost layer, but as the sole layer, namely arranged as a monofilm or is formed, so that a tearing of the monoaxially oriented material and thus the laminate or the Monofoil can be initiated directly in the outermost layer of the laminate or in the monofilm itself.
  • the monoaxially oriented material which according to the invention preferably consists of a polyolefin, preferably of polyethylene or more preferably of polypropylene, is present directly in a sealing area, so that in the course of the production of a package, two laminates, namely based on the respective monoaxiai oriented layers, can be sealed together at relatively low sealing temperatures and the monoaxially oriented material thus represents the sealing medium itself, if the use of a sealing wax is to be dispensed with. The same applies in the case of the use of a monofilm.
  • an essential point of the invention is that both the first and the second monoaxially oriented material having a draw ratio in the range of 1: 3 to 1:15, preferably in the range of 1: 3 to 1; 10 and more preferably in the range of 1: 6 to 1: 8 are stretched.
  • the respective film of the monoaxially stretched material advantageously mechanically stable, so that the stretched material, even in small thicknesses stronger than previous monoaxially oriented layers, respectively such comprehensive laminates, mechanically stressed and In particular, such inventively stretched layers can be fed to an industrial printing process. Furthermore, it is thus possible in an advantageous manner, the respective film thicknesses of the first and / or a second monoaxially oriented Materia! Shepherd films very thin, ie in the range of 5 pm to 100 pm, preferably in the range of 12 pm to 60 pm and more preferably in the range of 15 pm to 40 pm to make, which is a material-saving and beyond a very diverse use allows the thus stretched thin layers of material.
  • the mechanical strength of these films in the transverse direction to the stretching direction is increased to such an extent that tearing of the laminate or monofilm practically only in the direction of the orientation of the monoaxially oriented material is possible, so that a package produced from this novel laminate or this novel monofilm can be opened specifically, namely only in the direction of the orientation of the monoaxially oriented material.
  • the film layer of the monoaxiai oriented material which is the outermost layer of the laminate or the monofilm, is suitable for any further layers of the laminate, especially if they are thicker, in particular substantially thicker, ie until 5 to 10 times thicker than the film layer of the monoaxially oriented material, to impose a tear direction corresponding to the orientation of the monoaxially oriented material.
  • Such a directed tearing can According to the invention further optimized by the provision of a further made of a monoaxially oriented material provided film layer on the other extreme side of the laminate, so that a directed tearing even transverse to the tear direction of other not or only weakly stretched film layers is possible.
  • novel laminate or the monofilm according to the invention itself can be printed optimally, in particular in straight printing and / or reverse printing, owing to the high stretching ratio of its outermost layer or the monofilm itself, since it is possible according to the invention to stretch the film of monoaxiai oriented material and its layer thickness to be selected so that it is optimally suitable for the printing process and both in terms of tensile strength and in terms of their temperature resistance no inhomogeneities, in particular no "soft ' ' 'areas, so that a precise printing of each outermost layer the novel laminate or the monofilm itself is possible.
  • a laminate or a monofilm which has not only a preferred tear direction, but moreover an optimum printability, even in fine and / or counter-pressure, wherein the outermost layer consists of the monoaxially oriented material stretched according to the invention ! conventional printing medium, such as those of polyethylene terephthalate or paper can replace, so that the laminate according to the invention and of course the monofilm in addition to the aforementioned advantages also sorted, ie, for example, may be made only from Poiyolefinen, which is extremely in terms of its / their recyclability beneficial effect.
  • a barrier layer may consist of one or more of the following materials: polyamide (PA), in particular amorphous and / or aromatic and / or polyaromatic polyamide; Ethylene vinyl alcohol copolymer (EVOH); Polyacrylonitrile (PAN); Polyethylene terephthalate (PET); Metal foil, in particular aluminum foil; Alumina (AiO x ) and / or siltium oxide (SiO x ); and mixtures of the aforementioned materials.
  • PA polyamide
  • EVOH Ethylene vinyl alcohol copolymer
  • PAN Polyacrylonitrile
  • PET Polyethylene terephthalate
  • Metal foil in particular aluminum foil
  • SiO x siltium oxide
  • such a barrier layer serves to ensure a gas inlet or outlet into or out of the packaging produced from the laminate in order to extend the durability of the respective filling material in this way.
  • the laminate according to the invention is preferably pure in type in order to make it possible or easier to recycle the laminate or its constituents.
  • the preferred plastics used preferably consist of polyolefins, in particular of polyethylene and polypropylene.
  • a preferred layer sequence of the laminate according to the invention comprises two outer layers of monoaxially stretched polypropylene each having a layer thickness of 30 .mu.m each, which enclose a barene layer of ethylene-vinyl alcohol copolymer with which they are each connected by means of a bonding agent.
  • the barrier layer can also consist of polyamide.
  • the thickness of the monoaxia! oriented material thinner than at least one, in particular thinner than the thinnest unstretched layer of the laminate, further wherein the draw ratio and / or the thickness of the first monoaxia! oriented material are different from the stretch ratio and / or the thickness of the second monoaxially oriented material, wherein
  • Stretch ratio and thickness of the first and second monoaxially oriented material preferably behave in opposite directions.
  • FIG. 1 is a view of a conventional package after tearing
  • Fig. 2 is a view of a packaging according to the invention.
  • FIG. 3 shows a view of a packaging according to the invention for explaining its mode of operation
  • Fig. 4 is a view of a package according to the invention after opening.
  • Fig. 1 shows a package, the head and foot side, each with a transverse seam 30 and 30 'is closed. Tearing of this conventional packaging according to the prior art, starting at a transverse sealing seam of the packaging, results in an uncontrolled tearing of the material forming the packaging, which functionally destroys the packaging, but does not lead to a proper accessibility of the filling material.
  • Fig. 2 shows a package 10 according to the invention, which is also head and side, each with a Quersfegelnaht 30 and 30 'is closed.
  • the packaging according to the invention has a notch 40 which has a channel-like section 45 with two side boundaries 46 parallel to one another and a tip 50.
  • the channel-like portion extends over half the width of the transverse sealing seam seen in the longitudinal direction of the package and has a width of 2.5 mm.
  • FIG. 3 it is possible to open the packaging 10 according to the invention by virtue of the fact that two transverse sealing sections of the transverse sealing seam 30 located respectively to the right and left of the notch 40 in FIG. 3 are gripped and extended in the pulling direction 90. be pulled each other. By this pulling apart a crack in the opening direction 100 is effected, which runs straight in the direction of the other transverse seam 30 'and leads to an open package shown in Fig. 4, in which the contents 20 protrudes in part from the opened package, the softer torn off packaging piece is removed.
  • the laminate used to produce the package has the following layer structure: uniaxially oriented polypropylene (draw ratio: 1: 6, layer thickness 50 ⁇ m) / adhesion promoter / ethylene vinyl alcohol copolymer barrier / adhesion promoter / monoaxially stretched polypropylene (draw ratio 1: 6, layer thickness: 50 ⁇ m).
  • Ethylenvinylalkoholcopoiymer instead of the barrier layer material Ethylenvinylalkoholcopoiymer also polyamide or one of the said barrier layer materials can be used.
  • a monoaxially stretched monofilm instead of the above-mentioned laminate, only monoaxially stretched polypropylene (stretch ratio: 1: 6, layer thickness 50 ⁇ m) with adhesion promoter, i. Used glue.
  • a problem-free tearing of the package according to the invention in an advantageous manner possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

L'invention concerne un emballage, destiné notamment à des produits (20) de faibles dimensions, de préférence monobloc, tels que, par exemple, une tablette de chocolat sensiblement parallélépipédique, et formé d'un stratifié ou d'un monofilm pourvu de préférence d'un vernis de scellage ou d'un adhésif et présentant au moins une ligne de soudure longitudinale, de préférence sous forme de soudure "chair sur chair", deux lignes de soudure transversales (30, 30'), de préférence sous forme de soudure "chair sur chair", et une encoche (40) ménagée dans la zone d'au moins une des lignes de soudure transversales (30, 30'), cette encoche s'étendant à l'intérieur de la ligne de soudure transversale (30, 30') et présentant un sommet (50) orienté en direction de l'autre ligne de soudure transversale (30, 30'). Le stratifié qui se trouve dans le prolongement du sommet (50) comporte une ligne d'entaille au laser et/ou une ligne de perforation et/ou une orientation monoaxiale qui s'étend, notamment de manière rectiligne, respectivement dans la direction de l'autre ligne de soudure transversale (30, 30') et au moins jusqu'à celle-ci. L'invention porte également sur un stratifié pour fabriquer un emballage de ce type et sur un contenant en stratifié de ce type.
PCT/EP2011/068783 2010-10-29 2011-10-26 Emballage et stratifié pour fabriquer l'emballage WO2012055925A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010050062.3 2010-10-29
DE102010050062 2010-10-29
DE102011001336.9 2011-03-16
DE201110001336 DE102011001336A1 (de) 2010-10-29 2011-03-16 Verpackung sowie Laminat zur Herstellung der Verpackung

Publications (2)

Publication Number Publication Date
WO2012055925A2 true WO2012055925A2 (fr) 2012-05-03
WO2012055925A3 WO2012055925A3 (fr) 2012-06-28

Family

ID=45935743

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/068783 WO2012055925A2 (fr) 2010-10-29 2011-10-26 Emballage et stratifié pour fabriquer l'emballage

Country Status (2)

Country Link
DE (1) DE102011001336A1 (fr)
WO (1) WO2012055925A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2703155A1 (fr) * 2012-08-28 2014-03-05 Huhtamaki Flexible Packaging Germany GmbH & Co. KG Emballage flow-pack silencieux, notamment pour l'emballage d'appareils médicaux
JP2014080229A (ja) * 2012-10-18 2014-05-08 Kanae Co Ltd 包装体
USD809240S1 (en) 2015-04-24 2018-02-06 Mars, Incorporated Confectionery bar
USD822329S1 (en) 2014-10-31 2018-07-10 Mars, Incorporated Confectionery bar

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DE102017005666A1 (de) * 2017-06-08 2018-12-13 Pmv Sales & Trading Gmbh Öffnungsbereich eines Verpackungsmaterials
DE102017218176A1 (de) * 2017-10-11 2019-04-11 Huhtamaki Flexible Packaging Germany Gmbh & Co. Kg Verwendung einer Zellglasfolie zur Verpackung von pastösen, wasserlöslichen Lebensmitteln in geometrisch bestimmter Gestalt
DE102018132343A1 (de) * 2018-12-14 2020-06-18 Mondi Ag Kunststofffolienverbund, Kunststoffverpackung sowie Verfahren zur Herstellung eines Kunststofffolienverbundes

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2703155A1 (fr) * 2012-08-28 2014-03-05 Huhtamaki Flexible Packaging Germany GmbH & Co. KG Emballage flow-pack silencieux, notamment pour l'emballage d'appareils médicaux
JP2014080229A (ja) * 2012-10-18 2014-05-08 Kanae Co Ltd 包装体
USD822329S1 (en) 2014-10-31 2018-07-10 Mars, Incorporated Confectionery bar
USD831925S1 (en) 2014-10-31 2018-10-30 Mars, Incorporated Confectionery bar segment
USD833707S1 (en) 2014-10-31 2018-11-20 Mars, Incorporated Confectionery bar
USD809240S1 (en) 2015-04-24 2018-02-06 Mars, Incorporated Confectionery bar

Also Published As

Publication number Publication date
WO2012055925A3 (fr) 2012-06-28
DE102011001336A1 (de) 2012-05-03

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