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WO2012152494A1 - Feuille stratifiée pour contenant d'emballage et sachet d'emballage tubulaire - Google Patents

Feuille stratifiée pour contenant d'emballage et sachet d'emballage tubulaire Download PDF

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Publication number
WO2012152494A1
WO2012152494A1 PCT/EP2012/054913 EP2012054913W WO2012152494A1 WO 2012152494 A1 WO2012152494 A1 WO 2012152494A1 EP 2012054913 W EP2012054913 W EP 2012054913W WO 2012152494 A1 WO2012152494 A1 WO 2012152494A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging material
material layer
composite film
opening device
outer packaging
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.)
Ceased
Application number
PCT/EP2012/054913
Other languages
German (de)
English (en)
Inventor
Joerg P. Weltert
Dirk Ekenhorst
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2012152494A1 publication Critical patent/WO2012152494A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861—Spouts
    • B65D75/5872—Non-integral spouts
    • B65D75/5877—Non-integral spouts connected to a planar surface of the package wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/007—Forming single grooves or ribs, e.g. tear lines, weak spots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • B29C66/4742—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts
    • B29C66/47421—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat said single elements being spouts said spouts comprising flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
    • B29L2031/565—Stoppers or lids for bottles, jars, or the like, e.g. closures for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Definitions

  • the invention relates to a composite film for packaging containers according to the preamble of claim 1. Furthermore, the invention relates to a tubular bag package, prepared from a composite film according to the invention.
  • a composite film for packaging containers according to the preamble of claim 1 is known from WO 96/19387 A.
  • the composite film known from this document is part of a packaging container which has a pouring opening, via which liquid located in the interior of the packaging container can be removed from the packaging container.
  • it is provided in the known composite film to provide the composite film on the side of the opening device with a weakening region.
  • two possibilities are disclosed: on the one hand a weakening over two crosswise arranged sections, and on the other hand a reduction of the thickness of the composite film on the side of the opening device.
  • the present invention seeks to further develop a composite film for packaging container according to the preamble of claim 1 such that an opening device equipped with cutting the composite film can very easily and safely disconnect, without thereby during transport or the Storage of the packaging container Disadvantages relating to the durability of the packaged in the packaging container food are to be feared.
  • This object is achieved in a laminated film for packaging containers with the features of claim 1 according to the invention that the weakened area is formed as at least a part-circular section whose diameter is adapted to the arrangement of the cutting, which are arranged as part of the opening device on a pitch circle diameter of the opening device in that the at least one cut is formed on the outer packaging material layer facing the opening device.
  • the inventive design of the at least one part-circular section in overlap with the cutting of the opening means the cutting edges of the opening device reach directly into the region of at least one part-circular section and therefore can cut through the outer packaging material layer particularly simple and secure.
  • a single (part-circular) section is provided with an angular range of more than 180 °, preferably between 240 ° and 300 °, particularly preferably 270 °.
  • a cut can be produced relatively easily and, owing to its relatively large angular range, on the other hand causes a particularly simple severing of the packaging material layers by the cutting edges of the opening device.
  • the at least one cut it is furthermore particularly preferred for the at least one cut to have a depth which corresponds to the thickness of the outer packaging material layer. As a result, the cutting edges no longer have to cut through the outer packaging material layer, which often consists of a relatively tough material, but can come into direct contact with the further packaging material layers located below the outer packaging material layer.
  • the outer packaging material layer is preferably made from oPP, since it is particularly suitable for being connected to the opening device mentioned relatively easily and inexpensively on an industrial scale, for example by means of a heat seal.
  • the at least one part-circular cut can be produced either by a (mechanical) cutting tool or, for example, by a laser process.
  • a (mechanical) cutting tool or, for example, by a laser process.
  • the latter method has the advantage of a very accurate training of at least one section and is also subject to any wear of a tool.
  • a barrier layer in particular of aluminum or metallized PET, is arranged between the outer packaging material layer and the inner packaging material layer, and that the at least one cut completely cuts through the outer packaging material layer and further layers in the direction of the barrier layer at least partially severed, but not reached the barrier layer itself.
  • FIG. 1 shows a side view of a tubular bag package produced from a composite film according to the invention
  • FIG. 2 is an opening device, as used in a tubular bag packaging according to FIG. 1, in a perspective view,
  • Fig. 3 shows a section through the packaging container according to the Fig. 1 in the region of the opening means for representing the different packaging material layers of the composite film and
  • Fig. 4 is a plan view of the composite film according to FIG. 3 without opening device for illustrating the weakened area.
  • FIG. 1 shows a packaging container known per se in the form of a tubular bag package 1.
  • the tubular bag package 1 produced on a likewise known, and therefore not shown, tubular bag machine consists of a composite film 100 which will be described in more detail later and has an upper transverse seam 2, a lower transverse seam 3 and at least one longitudinal seam 4.
  • an opening device 10 is attached, in particular by a heat seal.
  • a liquid filling material 7, such as juice, milk or the like in the tubular bag package 1 can be stored durable or transported.
  • the opening device 10 shown in FIG. 2 is also known per se from the prior art. It has a screw cap 12, which is removable from the tubular bag package 1 for removal of contents 7.
  • the opening device 10 is connected in the region of an annular circumferential flange 14 with the outside 5 of the tubular bag package 1, as already explained.
  • two cutting elements arranged offset by 180 ° with respect to one another protrude. 13, which serve to sever the composite film 10 when the tubular bag package 1 is opened over the opening device 10 for the first time.
  • the opening device 10 has a likewise known from the prior art and therefore unspecified opening mechanism, which causes an axial movement of the cutting edges 13 while rotating the blades 13 when screwing the screw cap closure 12, so that the cutting edges 13, the closed original state of the opening device 10 are spaced from the composite film 100, the composite film 100 cut through.
  • FIG. 2 for the sake of better illustration, the state is shown in which the cutting edges 13 are already axially spaced from the underside 11 of the opening device 10 and thus have already severed the composite film 100.
  • the composite film 100 with the opening device 10 fastened thereto is shown again. It can be seen in particular that the composite film 100 consists of several layers of packaging material.
  • the outer packaging material layer 101 connected to the opening device 10 preferably consists of oPP (oriented polypropylene) with a layer thickness of, for example, approximately
  • the outer packaging material layer 101 is followed by a printing layer 102 (with a printed image), followed by a bonding layer in the form of an adhesive layer 103, which in turn is connected to a barrier layer 104.
  • a printing layer 102 with a printed image
  • a bonding layer in the form of an adhesive layer 103, which in turn is connected to a barrier layer 104.
  • the barrier layer 104 consists for example of aluminum or of a metallized PET (polyethylene terephthalate) layer with a layer thickness of, for example 6 ⁇ to 8 ⁇ .
  • An inner packaging material layer 105 which preferably consists of polyethylene (PE) with a layer thickness between, for example, 50 ⁇ m to 200 ⁇ m, adjoins the barrier layer 104 on the side opposite the outer packaging material layer 101.
  • the inner packaging material layer 105 is heat sealable for forming the transverse sealing seams 2 and 3 and the longitudinal sealing seam 4 is formed.
  • at least the outer packaging material layer 101 is provided with a weakened area in the form of at least one part-circular section 20, as can be seen in particular with reference to FIG. 4.
  • the part-circular section 20 has a diameter d, which corresponds to the pitch circle diameter t of the cutting edges 13 at the opening device 10. It is preferably provided that the cut 20 has a depth which corresponds to the thickness of the outer packaging material layer 101. However, it can also be provided that the cut 20 has a smaller depth, or a greater depth than the outer packaging material layer 101, so that the pressure layer 102 underlying the outer packaging material layer 101 and / or the adhesive layer 103 with a corresponding cut 20 is provided. However, it is essential to the invention that the cut 20 does not extend to the barrier layer 104, that is to say that the barrier layer 104 is undamaged in any case.
  • the section 20 has an angular range of about 270 °. However, it can also be provided that the angular range is smaller, but is preferably more than 180 °, or that the angular range is between 240 ° and 300 °. In further, not shown embodiments of the section 20, it may be provided that not a single cut 20 is provided, but several, each part-circular cuts 20, whose Wnkel Suitee are each significantly lower, for example, 20 °, so that there is a kind of perforation , wherein the diameter of the perforation corresponds to the pitch circle diameter t of the cutting edges 13.
  • the at least one section 20 is produced either by means of a mechanical cutting tool or, preferably, by means of a laser beam device.
  • a barrier layer 104 made of aluminum there is the advantage that the aluminum or barrier layer 104 is not damaged by the laser radiation.
  • the cut 20 is either already formed by the packaging material manufacturer, ie the manufacturer of the composite film 100, or only in the area of a packaging installation, from which then the tubular bag package 1 is produced.
  • the composite film 100 described so far can be modified or modified in many ways, without deviating from the inventive idea.
  • the composite film 100 consists of a larger or a smaller number of packaging material layers.
  • the outer packaging material layer 101 which is arranged in operative connection with the opening device 10 or its cutting edges 13, has at least one part-circular section 20 which facilitates the severing of the composite film 100 in the region of the cutting edges 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne une feuille stratifiée (100) pour contenants d'emballage, en particulier pour sachets d'emballage tubulaires (1), ladite feuille comprenant un ensemble de feuilles constitué de plusieurs couches de matériaux d'emballage (101 à 105). Une couche de matériau d'emballage intérieure (105) se présente sous la forme d'une couche thermoscellable et un dispositif d'ouverture (10) peut être fixé sur une couche de matériau d'emballage extérieure (101), en particulier par scellement sur la couche de matériau d'emballage extérieure (101). Les couches de matériau d'emballage (101 à 105) comportent une zone d'affaiblissement dans la zone du dispositif d'ouverture (10). Selon l'invention, la zone d'affaiblissement se présente sous la forme d'au moins une coupe (20) en arc de cercle, dont le diamètre (d) est adapté à l'agencement d'arêtes coupantes (13) agencées, en tant qu'éléments constitutifs du dispositif d'ouverture (10), sur un diamètre d'arc de cercle (t) du dispositif d'ouverture (10), et la ou les coupes (20) étant formées sur la couche de matériau d'emballage extérieure (101).
PCT/EP2012/054913 2011-05-09 2012-03-20 Feuille stratifiée pour contenant d'emballage et sachet d'emballage tubulaire Ceased WO2012152494A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110075483 DE102011075483A1 (de) 2011-05-09 2011-05-09 Verbundfolie für Verpackungsbehälter sowie Schlauchbeutelpackung
DE102011075483.0 2011-05-09

Publications (1)

Publication Number Publication Date
WO2012152494A1 true WO2012152494A1 (fr) 2012-11-15

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ID=45929507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/054913 Ceased WO2012152494A1 (fr) 2011-05-09 2012-03-20 Feuille stratifiée pour contenant d'emballage et sachet d'emballage tubulaire

Country Status (2)

Country Link
DE (1) DE102011075483A1 (fr)
WO (1) WO2012152494A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105051156A (zh) * 2013-03-26 2015-11-11 Dic株式会社 液晶组合物和使用其的液晶显示元件
WO2019020275A1 (fr) * 2017-07-26 2019-01-31 Bischof + Klein Se & Co. Kg Contenant d'emballage et fabrication de feuilles
EP3969389A4 (fr) * 2019-05-14 2023-02-08 Liqui-Box Corporation Sacs souples et produits contenus à l'intérieur de ceux-ci à durée de conservation prolongée

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378069A (en) * 1981-04-21 1983-03-29 Magna Technologies, Inc. Pouch with pour spout
WO1996019387A1 (fr) 1994-12-21 1996-06-27 Tuomo Halonen Oy Emballages a bec verseur pour liquides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378069A (en) * 1981-04-21 1983-03-29 Magna Technologies, Inc. Pouch with pour spout
WO1996019387A1 (fr) 1994-12-21 1996-06-27 Tuomo Halonen Oy Emballages a bec verseur pour liquides

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105051156A (zh) * 2013-03-26 2015-11-11 Dic株式会社 液晶组合物和使用其的液晶显示元件
WO2019020275A1 (fr) * 2017-07-26 2019-01-31 Bischof + Klein Se & Co. Kg Contenant d'emballage et fabrication de feuilles
CN111032528A (zh) * 2017-07-26 2020-04-17 比朔夫+霍莱恩欧洲股份及合伙两合公司 包装容器和薄膜制造
US11702263B2 (en) 2017-07-26 2023-07-18 Bischof + Klein Se & Co. Kg Packaging container and film production
EP3969389A4 (fr) * 2019-05-14 2023-02-08 Liqui-Box Corporation Sacs souples et produits contenus à l'intérieur de ceux-ci à durée de conservation prolongée

Also Published As

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