EP2250095B1 - Emballage à ouverture facile - Google Patents

Emballage à ouverture facile Download PDF

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Publication number
EP2250095B1
EP2250095B1 EP09713000.9A EP09713000A EP2250095B1 EP 2250095 B1 EP2250095 B1 EP 2250095B1 EP 09713000 A EP09713000 A EP 09713000A EP 2250095 B1 EP2250095 B1 EP 2250095B1
Authority
EP
European Patent Office
Prior art keywords
perforation
package
tube
flap
cross
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.)
Not-in-force
Application number
EP09713000.9A
Other languages
German (de)
English (en)
Other versions
EP2250095A1 (fr
Inventor
Torkild Hofman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beanstalk ApS
Original Assignee
Beanstalk ApS
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 Beanstalk ApS filed Critical Beanstalk ApS
Priority to PL09713000T priority Critical patent/PL2250095T3/pl
Publication of EP2250095A1 publication Critical patent/EP2250095A1/fr
Application granted granted Critical
Publication of EP2250095B1 publication Critical patent/EP2250095B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/12—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by tearing along perforations or lines of weakness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2056—Machines for packages of special type or form
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles

Definitions

  • the present invention relates to a method of manufacturing a package of the type formed from a single-layer or multi-layer material sheet as well as a form, fill and seal machine (FFS machine) and further a package produced on such an FFS machine according to the present invention.
  • FFS machine form, fill and seal machine
  • an FFS machine operates by being fed a material sheet which by a former in the machine is shaped into a tube by attaching the two side edges of the sheet to each other continuously as the sheet is fed into the machine.
  • Means for creating end seals, within this application referred to as cross seals are provided further downstream in the machine such that the tube is delimited laterally to the tube's longitudinal direction after which the so delimited tube is filled with the object to be packaged and again provided with and end seal laterally to the tube's longitudinal direction.
  • the material sheets are usually polymer-based and may be provided with printing such that information about the object inside the package is conveyed to the user.
  • a material web is shaped into a V-shape or trough shape.
  • cross seals are made, i.e. the sides of the web are united in order to form pockets, which are then filled with the material or goods is placed in the package.
  • the material or goods is placed in the bottom of the V or trough on the web, after which the free side edges of the web are joined/sealed to form a tube. A folding of the free ends extending from the seal forming the tube, is performed. Finally cross, seals, delimiting each package from the next are formed.
  • the tube is shaped about a VFF filler tube, such that the tube forming seal uniting the webs side edges is formed together with a cross seal, at such a rate that the tube relative to the filler tube will be open upwards, but limited by a cross seal downwards.
  • This document does not provide any means for easing the opening of the package.
  • foils for use in wrapping/packaging items such as candy usually have a plurality of layers. Typically a layer on which pictures, text and the like is printed, will be covered by a thin protective layer. Layer thicknesses are typically in the range of 5 - 60 ⁇ , such that the overall foil is the sum of the different layer thicknesses. Other layers such as layers exhibiting uni-direction tearing and/or barrier layers etc may be added. These layers all exhibits different characteristics and together provides the foil with the desired characteristics, also when it comes to welding/fusion.
  • One such solution is to provide a small cut, through all material layers, said cut being arranged in the end seal in the longitudinal direction but limited to a few millimetres into the end seal such that a tear initiator is created whereby e.g. a corner of the package may relatively easily be torn off.
  • a tear initiator is created whereby e.g. a corner of the package may relatively easily be torn off.
  • JP 10250764 JP 2003191965 , WO 9216431 and JP2004182267 .
  • the tearing action is helped along by further providing a tear line in the shape of a cut going partly through a foil layer along where the opening is intended to be, or providing a tape, see for example JP 10250764 such that as the tape is pulled it will tear the foil.
  • the invention addresses this by providing a method of manufacturing a package of the type formed from a single-layer or multi-layer material sheet, where said package has an easy to open feature, where the sheet is shaped into the finished package having an inner side suitable to be in contact with the matter to be packaged and an outer side, comprising the following method steps:
  • the filling stage of the package has been left out as it is well-known in the art depending on the make of the machine to introduce products into this type of packages during the process of forming the package.
  • the present invention is independent of the type of device used to fill the packages and is only concerned with providing novel features for opening of the finished package.
  • the perforation will extend from the edge of the perforation line and a small distance towards or into the cross seal, parallel to the side flap such that as a user holds the package in one hand and pulls the side flap at the edge with the other hand, the perforation will provide a weak spot which will initiate the tearing of the material such that it is very easy to tear open the material and thereby gain access to the gain access to the interior of the package without destroying said package.
  • Repeated tests have clearly shown that a very easy opening is provided, and that the opening is well defined, and limited to the desired section of the package.
  • the manner in which the seals are made which are created during the formation of the sheet material into a package distinction is made between two main types: lap seals and fin seals.
  • Lap seals are created by simply overlaying one sheet over the other and welding, gluing or otherwise connect the two sheets. In this manner two different sides of the sheet will be connected - what is to be the inner side of the package with what will be the outer side of the package.
  • fin seals the sides of the sheets are connected, inner side to inner side, whereby a flap or fin is created.
  • the manner of sealing has no effect on the invention, as long as a fin or flap is provided.
  • the flap may be created by a former tool, or may be provided as a separate piece of sheet material adhesively or welded onto the outside of the tube.
  • a single-layer or multi-layer material sheet In this connection it is also important to realise what is meant with the formulation "a single-layer or multi-layer material sheet".
  • sheets made up of a number of different layers each layer having unique characteristics, such that the finished sheet, has been created in order to posses specific features for the designated purpose.
  • layers can be mentioned layers which may only be ripped in one direction, layers with a special coating, for example metal in order to render the layer vapour tight, UV protective layers, barriers etc. etc.
  • the composition of the sheet is not important, but in some embodiments of the invention it may be sufficient in order to achieve the desired effect, that the perforation extends through some of the material layers making up the sheet material.
  • the orientation of the perforation i.e. between parallel to the flap up to and including an angle of 60°, will, depending on the sheet construction, facilitate the desired effect. This is due to the fact that the perforation when exposed to tearing by pulling the flap, will guide the crack forming towards the flap, which will be welded and thereby constitute a stronger construction than the sheet material. When the crack encounters the flap, even from an angle of 60 °, the crack will follow the flap, and thereby provide the desired inventive effect.
  • the perforation By limiting the perforation to be situated in a cross seal, the free sheet ends or a combination, the volume in which the goods inside the package are contained is still sealed off and thereby not exposed to the ambient.
  • the material sheet is a polymer material sheet where seals and connections are created by heat fusing or welding.
  • This is the most common type of materials used for the vast majority of packages manufactured from sheet materials.
  • the heat fusing or welding provides reliable and strong seals such that a good, firm package is provided naturally depending on the choice of sheet material, but usually the welded portions will be stronger than the sheet material as such.
  • the material is a non-weldable or non heat-fusionable material, where seals and connections are created by applying adhesives between material surfaces to be joined in order to create the seals, where the material is selected from one or more of the following: coated or uncoated cellulose based materials, polymeric films, aluminium based sheets.
  • the material is selected from one or more of the following: coated or uncoated cellulose based materials, polymeric films, aluminium based sheets.
  • paper sheet material which on one side, namely the side intended to be in contact with the products to be packaged, is provided with a polymer coating such that in theory a seal could be created by welding, but due to the nature of the over-all sheet material, namely paper, it is necessary to use an adhesive in order to create the seals.
  • the sheet material is formed into a tube around a pipe or former, which pipe at the same time is used for filling the material to be packaged into the package.
  • the edge sections of the material sheet are overlaid and depending on the type of sheet material, welded or glued together where the filling pipe may be used as a land, i.e. as a back support for the welding wheel.
  • the invention in a further advantageous embodiment is provided with two rollers such that, as the side flap, created by hav-flap, created by having passed the fin in the alternative embodiment mentioned above the side flap is exposed to heat or heat and/or pressure exerted by two rollers arranged on either side of the side flap and biased towards said side flap.
  • a side flap is created although the traditional manufacturing of packages of this type does not require a side fin, but due to the advantageous opening procedure incorporating the perforation according to the present invention a side flap is desirable, and therefore the fin on the filling pipe is provided in cooperation with the side rollers.
  • a perforation tool is provided where the perforation tool may be selected between one or more of the following:
  • a laser device for either cutting or engraving the perforations is a well-known technology. It is known in the art to operate lasers such that they only penetrate a certain, very small distance into a material. This may further be enhanced by providing a coating on the inside of the materials, such that the laser device will detect different material material characteristics and thereby delimit the depth of the penetration of the laser to that particular material layer, whereby it becomes possible to very efficiently perforate only one layer of the package material at the cross seals.
  • the package material is usually provided with indications intended to be present on each package such as e.g. bar codes, printing, print markers or the like. These markers may be used as detection points for e.g. a photo cell such that the recognition of the marker passing the photo cell will be used as input for the perforation tool which may be arranged downstream from the photo cell and activated in response to the detection of a marker.
  • indications intended to be present on each package such as e.g. bar codes, printing, print markers or the like.
  • markers may be used as detection points for e.g. a photo cell such that the recognition of the marker passing the photo cell will be used as input for the perforation tool which may be arranged downstream from the photo cell and activated in response to the detection of a marker.
  • very well-proven technology which in some cases are already present in the machine may be further utilized in order to be used as input for the perforation tool thereby providing the perforation in the exact, correct positions relative to the separating lines.
  • the invention also discloses a form, fill and seal machine for forming packages, where said machine comprises means to convey a continuous sheet material through the machine, and where said machine comprises means for creating at least one side flap on the package and where said machine further comprises means for establishing sealed cross zones extending substantially laterally to the side flap and means for establishing separating lines, where said separating lines are established in said cross zones wherein the sealed cross zones have at least a two material layer thickness, characterised in that the machine comprises a perforation tool which perforation tool perforates one of the two material layers adjacent and parallel to said side flap, and where the perforation extends inside said sealed cross zone, and that the perforation at least extends to the separating lines.
  • In-line implies that the packaging material is feed into a packaging machine in one end and that a finished package containing the goods to be packaged is being ejected in the other end. This is of cause a rational and possible use of the invention.
  • the invention is however also suitable for being used such that the packaging material is shaped more or less into a finished package, for example leaving an end open. At a later stage or even at another location the package is thereafter filled with the goods to be packaged and sealed.
  • FIG. 1-5 is illustrated various examples of a package provided with the perforation and thereby the easy opening feature according to the present invention.
  • the package generally indicated by number 1 is in its most basic configuration.
  • the material sheet 2 has been formed into a package which package 1 is delimited by cross seals 3, 4 in either end of the package 1.
  • cross seals 3, 4 in either end of the package 1.
  • the definition of cross seals and the overall direction of the package are determined according to the manner in which the package is produced.
  • the packages are formed from an in theory endless material sheet 1 which by means of a former not illustrated shapes the sheet into a tube.
  • the tube is created for example by welding together sheet material adjacent the two edges 5, 6 of the sheet material thereby creating a tube and at the same time creating a side flap 10, see figure 1 .
  • the tube will be sealed with the cross seals 3, 4 in order to create a space limited by the formed tube and the cross seals 3, 4.
  • perforations or cut-outs 7 are provided.
  • perforations 7 are provided at both ends of the side flap 10, but the same advantages are achievable with only one perforation 7 provided at either end of the side flap.
  • the perforations 7 are provided parallel to and adjacent the side flap 10 and has an extent in the longitudinal direction of the package indicated by the arrow 50 such that the entire perforation is maintained within the limits of the cross seal 3 such that no opening is provided from the interior of the package 1 to the ambient.
  • figure 4 is indicated a situation where the corner 11 of the side flap 10 has been lifted relative to the package whereby a tear 8 initiated by the perforation 7 makes it possible to create an easy and substantially straight opening of the package.
  • these types of packages are typically manufactured on a so-called horizontal form, fill and seal machine (FFS) whereas the package 9 illustrated with reference to figure 2 typically will be manufactured on a vertical FFS machine where the edges 5', 6' will be mutually overlapping and creating a connection seal 20, such that the formation of the tube from the material sheet 2 does not provide a side flap 10.
  • the side flap may be provided by installing a side flap former as illustrated with reference to figures 8 and 9 .
  • FIG 8 a former/filling pipe 14 is illustrated.
  • the material sheet (not illustrated) will at this point be surrounding the former pipe and has been provided with the connection seal 20 (see figure 2 ) such that the material sheet at this stage will be in the shape of a tube.
  • the tube is arranged outside the former/filling pipe 14 and as the tube advances downwards in figure 8 the tube will engage the fin 15 such that a fold will be created in the sheet material. As the material advances further the fold will be squeezed between the two rollers 16, 17 which are biased towards each other.
  • the fold may be sealed either by providing an adhesive nozzle just downstream of the fin 15 before the rollers 16, 17 such that the rollers squeeze together the fold and thereby the adhesive coated inner portions of the material sheet (here shaped into a tube) thereby creating the side flap 10.
  • the rollers 16, 17 may be welding rollers such that by heating the rollers the fold will be fused together in a welding process thereby creating the side flap 10.
  • figure 3 is an embodiment of the combination of different techniques illustrated.
  • the cross seals 3, 4 are manufactured in the same manner as the embodiments described above which will be further described with reference to figure 6 and a longitudinal seal 18 is furthermore provided in order to connect the edges 5", 6" such that a sealed package 2 is created.
  • a longitudinal seal 18 is furthermore provided in order to connect the edges 5", 6" such that a sealed package 2 is created.
  • the embodiment illustrated in figure 3 so far corresponds completely to the embodiment illustrated with reference to figure 1 .
  • the longitudinal seal 18 may further be fastened to the surface of the package material and fastened to the cross seals 3, 4 such that a user may not mistakenly try to open the package by pulling on the edge seal 18.
  • a further embodiment is illustrated with reference to figure 5 where a package has been opened by tearing at the side flap 10 thereby providing access to the interior of the package.
  • the perforation 7 has been divided such that half the perforation is present on the side flap 10 and half the perforation 7 is present of the package itself.
  • This package has package has furthermore been provided with a resealing strip 20 arranged at what is now the bottom part of the side flap and parallel to the longitudinal direction 50 (see figure 1 ).
  • the type of material used for the resealable seal 20 may be chosen according to the circumstances depending on the sheet material and the quality of the resealing properties which it is desired to achieve.
  • the seal 20 may be selected from the so-called pealable materials or may simply be a double-sided, adhesive tape or the like as long as it fulfils the requirement of being able to hold down the side flap 10 in relation to the surface 19 of the package.
  • FIG 6 a schematic illustration of how the perforation 7 is manufactured is illustrated.
  • the package material 2 has, prior to the method step illustrated with reference to figure 6 been arranged around the former such that a tube is created.
  • the tube has an interior space 21 delimited by the package material 2.
  • the two edges of the package material 5, 6 is arranged to be introduced between two rollers 22, 23.
  • the rollers may be heated such that they will weld the package material 2 together forming the side flap 10 as already described above.
  • a nozzle providing adhesive material to the inside of the edges 5, 6 may be provided just upstream of the rollers 22, 23 such that the rollers 22, 23 which are biased towards each other, will press the two edge portions together thereby creating the side flap 10.
  • the package material moves in the direction 51 material moves in the direction 51 indicated by the arrow, and the directions "upstream", "downstream” are defined relatively to this direction of movement of the package material 2.
  • Markers may be provided on the surface of the package material 2 such that as a detection unit detects/registers a marker this registration will be used as input for the perforation tool of which only the cutting blade 24 actually carrying out the cutting of the perforation is illustrated.
  • These markers are usually present on printed sheets materials, in order to locate the print correctly to the cutting zone, separating two packages.
  • the input from the marker registration means is used in order to activate the perforation tool such that the cutting blade 24 may be moved up and down repeatedly as indicated by the arrow 52 whereby the cutting blade cuts a perforation 7 at predetermined positions. These predetermined positions are decided relative to the marker such that the perforation as indicated on the lower side of the side flap 10, crosses the separating line 25.
  • the separating lines are provided as shear lines where the different packages may be separated into individual packages such that as two packages 1', 1" are separated, the perforation 7 will be present parallel to the side flap 10 and extending from the edge of the package, which edge is created by the separating line 25 and into the cross seal (not illustrated).
  • the cross seal (not illustrated).
  • FIG 6 it has been chosen not to illustrate the cross seals in order to clarify the position of the perforations in relation to the separating lines.
  • the packages created by the method described with reference to figure 6 will have a general appearance as illustrated with reference to figures 1-5 and as described above.
  • the perforation may also be one-sided, i.e. such that a perforation 7' as illustrated above the side-flap 10 is only present on one side of the separation line and thereby only in one place on the finished package.
  • the package material 2 has been turned into a tube on which tube's surface a side-flap 10 is provided and perforations 7 are established parallel to the longitudinal direction of the side-flap adjacent or crossing the separating lines 25 where it is intended to separate the packages 1', 1".
  • the material sheet formed into a tube by the method step in figure 6 proceeds towards a sealing apparatus 30.
  • the sealing apparatus will only be described very broadly, but any type of apparatus which is able to create the cross seals 3, 4 may be used with the present application.
  • the means for sealing 30 furthermore comprises means for separating the packages such that separate packages 1', 1" provided with cross seals 3, 4, a side-flap 10 and perforations 7 result from the action of the novel and inventive method and apparatus according to the present invention.
  • the operation of the means for sealing 30 is carried out in response to the presence of the separating lines 25 such that the means for sealing 30 is activated in the direction indicated by the arrow 53 such that the cross seals 3, 4 and the separation of the packages 1', 1" is established in the correct positions in relation to the perforation 7 and the overall package size.
  • the sealing means 30 may also be provided without means for separating the packages whereby a string of packages as illustrated with a reference to figure 10 is the result such that a continuous array of packages 1', 1" separated by cross seals will be the result.
  • the separating lines 25 indicated between the cross seals 3, 4 may for example be perforations such that it is easy for a user to detach one package from an adjacent package or maybe partly cut such that it is easy to detach one package from the next.
  • fig. 11 is illustrated a further embodiment, where a plurality of perforations 60, 60', 60" are indicated.
  • three substantially parallel perforations are illustrated, but any number depending on the size of the package, the materials etc may be used.
  • the perforations are identical to the perforations discussed above.
  • the perforations are illustrated as arranged substantially parallel to the longitudinal flap 10, but may also be arranged at an angle to the longitudinal direction of the flap. Angles up to approx. 60° have proven to achieve the inventive effect.
  • the flap 10 shall be pulled away from the plane of the package, for example by gripping the flap in the area indicated by 56, and pulling in the direction indicated by the arrow 62.
  • the material from which the package 1", 1' is made will then easily tear initiating the tear at one of the perforations 60, 60' or 60".
  • the 60, 60' or 60" The tear will propagate towards the weld in the flap 10, where after the tear will follow the intersection between the flap 10 and the face 54 of the package.
  • fig 12 is illustrated an embodiment where the flap 10 is welded onto the sheet material 2, by the weld 26..
  • the flap 10 is placed adjacent the perforation 60.
  • the flap could have been attached by means of an adhesive.
  • the connection between the flap 10 and the sheet 2 shall be such that by pulling in the flap 10 the perforation 60 will initiate a tear, without the flap 10 being pulled off.
  • the seals are created either by heating thereby welding or fusing the material layers together, or applying adhesives in order to create the seals.
  • the adhesive solution is used for a number of purposes, but of particular interest are applications where the objects or material to be package are not suitable to be heated, or that there may be a risk that an adhesive spray may have a detrimental effect on the characteristics of the object/material.
  • This sealing technology may also be used within the present invention in order to establish the seals.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Bag Frames (AREA)

Claims (15)

  1. Procédé de fabrication d'un emballage (2) du type formé à partir d'une feuille de matière mono-couche ou multicouche, ledit emballage présentant une caractéristique d'ouverture facile, où la feuille de matière est formée en emballage fini présentant un côté intérieur conçu pour être en contact avec la matière à emballer et un côté extérieur, où ledit procédé comprend les étapes de procédé suivantes:
    - former la feuille de matière dans un tube (21), en connectant les deux bords latéraux (5, 6) de la feuille longitudinalement;
    - où la connexion crée un rabat latéral (10) sur l'extérieur du tube ou où le tube passe sur une machine de façonnage présentant une ailette en saillie par lequel un rabat latéral (10) est formé sur l'extérieur du tube, ou où une ailette est fixée longitudinalement à l'extérieur du tube;
    - où des joints transversaux (3, 4) sont prévus à travers le tube, délimitant ainsi chaque emballage entre deux joints transversaux;
    - des lignes de perforation (25) sont réalisées dans lesdits joints transversaux pour détacher/séparer deux emballages adjacents (2);
    - une perforation (7) d'une seule couche de feuille de matière, ou uniquement une ou plusieurs couches constituant la feuille, est établie de façon adjacente au rabat latéral (10) ou à l'ailette, s'étendant depuis la ligne de perforation et parallèle à, ou au niveau d'un angle jusqu'à 60° par rapport au rabat latéral ou à l'ailette, et s'étendant vers ou dans ledit joint transversal.
  2. Procédé selon la revendication 1, dans lequel la perforation (7) de la couche de la seule feuille de matière est réalisée en:
    - une partie non scellée d'une seule feuille de matière en saillie entre le joint transversal (3, 4) et la ligne de perforation séparant deux emballages adjacents (2);
    - ou dans la partie non scellée et une partie du joint transversal (3, 4);
    - ou où ledit joint transversal (3, 4) est immédiatement adjacent à la ligne de perforation entre deux emballages adjacents, uniquement dans ledit joint transversal.
  3. Procédé selon la revendication 1, dans lequel la perforation (7) de la couche de la seule feuille de matière est établie par un outil de perforation choisi parmi un ou plusieurs des éléments suivants:
    - un couteau (24) ou une tête de coupe rotative, commandée en rapport à la vitesse de production, où la tête de coupe a une pluralité de bords de coupe espacés, coopérant avec un méplat, où le méplat est placé de telle sorte que la matière passe entre le couteau et le méplat, moyennant que l'activation du couteau établit la perforation (7) dans la matière, ladite matière lors de la découpe est en contact avec ledit méplat;
    - un dispositif laser, où le positionnement de la perforation est située par rapport à des marques prévues sur la matière de feuille, correspondant à la taille d'emballage désirée, dans lequel des moyens sont prévus pour détecter lesdites marques et utiliser ces informations en tant qu'entrée pour activer l'outil de perforation.
  4. Procédé selon la revendication 1, dans lequel deux feuilles de matière séparées sont formées dans un tube (21), en superposant les feuilles et reliant les bords des feuilles superposées, de manière à ce qu'un tube est formé ayant des joints latéraux le long des bords longitudinaux.
  5. Procédé selon la revendication 1 ou 2, dans lequel une pluralité de perforations sensiblement parallèles (7) d'une couche de matière en feuille ou d'une ou de plusieurs couches de matière constituant la matière en feuille, est établie dans le joint transversal adjacent à la ligne de perforation et parallel à ou au niveau d'un angle jusqu'à 60° par rapport au rabat latéral.
  6. Procédé selon la revendication 1 ou 2, dans lequel des joints transversaux (3, 4) sont seulement prévus dans une extrémité de chaque emballage (2), de telle sorte qu'au fur et à mesure que les emballages sont séparés dans des emballages séparés le long des lignes de perforation, chaque emballage sera ouvert dans une extrémité.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel le rabat (10) est une pièce séparée de matière en feuille fixée à l'extérieur du tube, où le rabat est fixé par des moyens de telle sorte que la connexion entre le rabat (10) et le tube est plus forte que la résistance à la déchirure nécessaire lors de la réalisation d'une déchirure à la perforation.
  8. Machine de formage-remplissage-scellage verticale ou horizontale pour former des emballages, où ladite machine comprend des moyens pour transporter une matière en feuille continue à travers la machine, où ladite machine comprend des moyens pour créer au moins un rabat latéral (10) sur l'emballage (2) et où ladite machine comprend en outre des moyens pour établir des zones transversales scellées (3, 4) s'étendant sensiblement latéralement par rapport au rabat latéral (10) et un moyen pour établir des lignes de séparation (25), où lesdites lignes de séparation sont établies dans lesdites zones transversales dans lesquelles les zones transversales scellées présentent au moins un épaisseur de deux couches de matière en feuille, et en ce que la machine comprend un outil de perforation ledit outil de perforation perfore l'une des au moins deux couches de matière en feuille adjacentes et sensiblement parallèles à ou au niveau d'un angle jusqu'à 60° par rapport audit rabat latéral, et où la perforation (7) s'étend à l'intérieur de ladite zone transversale scellée, et en ce que la perforation (7) s'étend au moins jusqu'à la ligne de séparation.
  9. Machine de formage-remplissage-scellage selon la revendication 8, dans laquelle un moyen de détection et/ou de détermination de la ligne de séparation (25) est prévu, où lesdits moyens fournissent une entrée à l'outil de perforation, de telle sorte que l'activation de l'outil de perforation (24) est effectuée en réponse à la position de la ligne de séparation.
  10. Machine de formage-remplissage-scellage selon la revendication 8, dans laquelle l'outil de perforation (24) est activé de telle sorte qu'il perfore une seule couche de matière en feuille, à une distance sur l'un ou l'autre côté de la ligne de séparation (25).
  11. Machine de formage-remplissage-scellage selon la revendication 8, dans laquelle la largeur des joints est entre 3 mm et 50 mm, davantage de préférence entre 5 mm et 20 mm et le plus davantage de préférence entre 7 mm et 12 mm.
  12. Machine de formage-remplissage-scellage selon la revendication 8, dans laquelle la machine comprend des moyens de formation de tube (14) pour former la matière en feuille dans un tube, et où une ailette (15) s'étendant radialement à partir de la surface du moyen de formation de tube (14) est disposée en amont de et de manière adjacente à deux rouleaux chauffables (16, 17), de telle sorte qu'au fur et à mesure que le tube passe l'ailette un rabat longitudinal est formé dans le tube, et les rouleaux (16, 17) pressent le rabat (10) éventuellement soudent la matière du tube l'une à l'autre.
  13. Machine de formage-remplissage-scellage selon la revendication 8, dans lequel l'outil de perforation (24) est une lame de coupe, un dispositif de coupe laser, un poinçon, ou d'un dispositif de coupe thermique ou toute combinaison de ces moyens, et en ce que, éventuellement, à l'opposé de l'outil de perforation une plaque arrière est agencée comme méplat pour l'outil de perforation, où l'agencement de la plaque arrière et l'outil de perforation permet à la matière d'emballage de passer entre ledit outil de perforation et ladite plaque arrière.
  14. Emballage (2) du type produit sur une machine de formage-remplissage-scellage horizontale selon l'une quelconque des revendications 8 à 13, où ledit emballage est réalisé à partir d'une matière de feuille et qui présente un rabat latéral (10) le long de la longueur dudit emballage, et est en outre prévu des joints transversaux (3, 4) disposés latéralement audit rabat latéral dans l'une ou l'autre extrémité de l'emballage, où lesdits joints comprennent au moins deux couches de matière de feuille, où au moins, dans une section d'un joint transversal de manière sensiblement parallèle ou jusqu'à un angle de 60° par rapport audit rabat latéral, il est prévu une perforation (7) située où ladite perforation perfore une couche de matière, et où ladite perforation est prévue en position adjacente audit rabat latéral, et où la perforation s'étend sur le bord libre de l'emballage.
  15. Emballage selon la revendication 14, dans lequel une pluralité de perforations sensiblement parallèles (7) sont prévues espacées l'une de l'autre, éventuellement sur les deux côtés du rabat.
EP09713000.9A 2008-02-22 2009-02-20 Emballage à ouverture facile Not-in-force EP2250095B1 (fr)

Priority Applications (1)

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PL09713000T PL2250095T3 (pl) 2008-02-22 2009-02-20 Opakowanie łatwe do otwierania

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DKPA200800247 2008-02-22
DKPA200801386 2008-10-03
PCT/DK2009/000045 WO2009103296A1 (fr) 2008-02-22 2009-02-20 Emballage à ouverture facile

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EP2250095A1 EP2250095A1 (fr) 2010-11-17
EP2250095B1 true EP2250095B1 (fr) 2014-05-28

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US (2) US20110011864A1 (fr)
EP (1) EP2250095B1 (fr)
JP (1) JP2011512301A (fr)
KR (1) KR20110014134A (fr)
CN (1) CN102089213B (fr)
AU (1) AU2009217118B2 (fr)
BR (1) BRPI0908123A2 (fr)
CA (1) CA2716211C (fr)
DK (1) DK2250095T3 (fr)
EA (1) EA020919B1 (fr)
ES (1) ES2502240T3 (fr)
IL (1) IL207714A0 (fr)
MX (1) MX2010009176A (fr)
PL (1) PL2250095T3 (fr)
WO (1) WO2009103296A1 (fr)
ZA (1) ZA201006658B (fr)

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ZA201006658B (en) 2011-11-30
US20160046400A1 (en) 2016-02-18
CA2716211A1 (fr) 2009-08-27
CN102089213A (zh) 2011-06-08
US20110011864A1 (en) 2011-01-20
IL207714A0 (en) 2010-12-30
DK2250095T3 (da) 2014-09-01
AU2009217118B2 (en) 2013-10-31
AU2009217118A1 (en) 2009-08-27
EA201001337A1 (ru) 2011-04-29
BRPI0908123A2 (pt) 2015-08-04
ES2502240T3 (es) 2014-10-03
CA2716211C (fr) 2015-11-24
KR20110014134A (ko) 2011-02-10
PL2250095T3 (pl) 2014-12-31
CN102089213B (zh) 2013-07-31
MX2010009176A (es) 2011-04-11
WO2009103296A1 (fr) 2009-08-27
EA020919B1 (ru) 2015-02-27
JP2011512301A (ja) 2011-04-21
EP2250095A1 (fr) 2010-11-17

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