EP1593603A1 - Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung - Google Patents

Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung Download PDF

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Publication number
EP1593603A1
EP1593603A1 EP04447113A EP04447113A EP1593603A1 EP 1593603 A1 EP1593603 A1 EP 1593603A1 EP 04447113 A EP04447113 A EP 04447113A EP 04447113 A EP04447113 A EP 04447113A EP 1593603 A1 EP1593603 A1 EP 1593603A1
Authority
EP
European Patent Office
Prior art keywords
packaging
vffs
hffs
teeth structure
longitudinal seam
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.)
Withdrawn
Application number
EP04447113A
Other languages
English (en)
French (fr)
Inventor
Eddy Daelmans
Bart Verbeeck
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.)
Amcor Flexibles ApS
Original Assignee
Amcor Flexibles Europe AS
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 Amcor Flexibles Europe AS filed Critical Amcor Flexibles Europe AS
Priority to EP04447113A priority Critical patent/EP1593603A1/de
Priority to EP05714375A priority patent/EP1742843B1/de
Priority to DE602005001944T priority patent/DE602005001944T2/de
Priority to PT05714375T priority patent/PT1742843E/pt
Priority to AU2005237660A priority patent/AU2005237660B2/en
Priority to US11/579,437 priority patent/US20080267541A1/en
Priority to DK05714375T priority patent/DK1742843T3/da
Priority to SI200530064T priority patent/SI1742843T1/sl
Priority to PL05714375T priority patent/PL1742843T3/pl
Priority to NZ550565A priority patent/NZ550565A/en
Priority to CA002564118A priority patent/CA2564118A1/en
Priority to PCT/BE2005/000024 priority patent/WO2005105581A1/en
Priority to AT05714375T priority patent/ATE369289T1/de
Priority to ES05714375T priority patent/ES2290891T3/es
Publication of EP1593603A1 publication Critical patent/EP1593603A1/de
Priority to US12/983,716 priority patent/US20110094193A1/en
Withdrawn legal-status Critical Current

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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
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • 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
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/06—Cutting webs along their longitudinal direction

Definitions

  • the present invention relates to flexible packaging and in particular to vertical and horizontal form, fill and seal packaging (VFFS/HFFS) with a continuous teeth structure on the longitudinal seam of said packaging.
  • VFFS/HFFS vertical and horizontal form, fill and seal packaging
  • VFFS/HFFS packaging machine reels exhibit in the extrusion direction of the plastic film uncontrolled tear behaviour and the tear tends to continue in the extrusion direction.
  • the majority of VFFS/HFFS packagings are positioned in a way that the length of the pack is parallel to the extrusion direction of the film. The consequence of this positioning is that the cross seam or transversal seam of the packaging generally comprises the opening initiations of the packaging.
  • the mostly used opening initiations are uninterrupted teeth structures in the cross seam of the VFFS/HFFS packaging.
  • Document US 5,409,115 discloses a tubular bag packaging for bandage-like material.
  • This packaging exhibits at least one opening initiation on the longitudinal seam positioned between continuously recurring longitudinal spaces with tear-off tongs between notches for tearing limiting one another.
  • the teeth structure is interrupted by longitudinal spaces defining tear-off tongs of possibly different widths.
  • the opening initiation structure on the longitudinal seam is achieved during the VFFS/HFFS process, which slows down the packaging speed. Furthermore, this kind of opening initiation on the longitudinal seam generates scrap in the VFFS/HFFS process because material is removed.
  • Document CH 651 795 A5 discloses a VFFS/HFFS packaging with opening initiations in the longitudinal seam of said packaging.
  • the opening initiations are cut incisions present on determined positions of said seam. No material is removed in this technique.
  • the teeth structure is not a continuous and uninterrupted structure.
  • a continuos teeth structure allows the tear of the packaging in a transverse direction to the extrusion direction (machine direction) at any position of the seam.
  • the incisions have to be achieved during the VFFS/HFFS process, again slowing down the packaging speed.
  • the present invention aims to provide a VFFS/HFFS packaging with a continuous teeth structure on the longitudinal seam, said teeth structure being present from the beginning on the packaging machine reel and therefore independent of the packaging process itself, the technique of the present invention having therefore no influence on the packaging speed and generating no additional scrap.
  • the present invention discloses a vertical/horizontal form, fill and seal packaging (VFFS/HFFS packaging) comprising a plastic film, a longitudinal seam and a cross-directional seam, characterised in that the longitudinal seam comprises a substantially continuous teeth structure representing tear initiations over the whole length of the longitudinal seam to enable easy opening of said packaging.
  • VFFS/HFFS packaging vertical/horizontal form, fill and seal packaging
  • the packaging further comprises tear initiations on the cross directional seam.
  • the tear initiations on the cross directional seam comprises a continuous teeth structure.
  • the longitudinal seam is a fin seal or a lap seal.
  • the lap seal presents a seal-free continuous teeth structure.
  • the present invention further discloses a packaging obtainable by a VFFS/HFFS process, characterised in that the machine reel of the plastic film comprises on both lateral edges a continuous teeth structure.
  • the present invention additionally discloses a process comprising the step of unwinding a reel of a plastic film, characterised in that said reel comprises a continuous teeth structure on the lateral edges of said reel.
  • a key feature of the process of the present invention is that said process is a packaging material waste-free process.
  • VFFS/HFFS packaging process is characterised in that the continuous teeth structure on the lateral edges is performed by rotary knifes having a substantially continuous teeth structure.
  • Fig. 1 shows a VFFS/HFFS packaging with a continuous teeth structure on the cross seam as usually produced in the prior art.
  • Fig. 2 shows a VFFS/HFFS packaging with a continuous teeth structure on the longitudinal seam according to the invention.
  • Fig. 3 shows another example of a VFFS/HFFS packaging bag with a continuous teeth structure on the longitudinal seam according to the invention.
  • Fig. 4 shows the same packaging as that of Fig. 3 with the particular opening possibility by tearing the packaging in the cross-direction to the extrusion direction of the plastic film.
  • Fig. 5 shows a VFFS/HFFS packaging machine reel where the teeth structure is present on the reel to be used on the VFFS/HFFS machine.
  • Fig. 6a shows a diagrammatic representation of the length necessary for a VFFS/HFFS packaging on the unwound reel if the teeth structure is present at the top of the packaging.
  • Fig. 6b shows the length of the VFFS/HFFS necessary on the reel if the teeth structure is present on the lateral side of the web.
  • Fig. 7 shows a VFFS/HFFS process where the reels used have a lateral teeth structure.
  • Fig. 8 shows the cutting of an extrusion film in different strips where the teeth structure is achieved by rotary slitting knifes exhibiting a teeth structure.
  • Fig. 9a shows a teeth structure present in the cross direction of the extrusion direction (E.D) and a dotted line showing the privileged tear direction.
  • Fig. 9b shows the teeth structure laterally present on the VFFS/HFFS packaging machine reel where the privileged tear directions of the film are represented in dotted lines.
  • Fig. 10 shows a longitudinal seam of a VFFS/HFFS packaging where the teeth structure are not perfectly superposed.
  • the present invention discloses a VFFS/HFFS packaging with a continuous teeth structure present at least on the longitudinal seam of said packaging.
  • continuous teeth structure should be understood as substantially non-interrupted "V-shaped" incisions as shown on the different figures relating to the present invention.
  • Such a teeth structure is created by cutting the extrusion film into the right width for the packaging machine reels.
  • laser cutting, water-jet cutting, rotary-knife cutting, etc. The teeth structure can be relatively widely spaced apart or closely spaced, depending on the application.
  • the teeth structure in the cross seam of the packaging is achieved by a cutting device during the cross seal and cutting operation. If the teeth are widely spaced apart, the sealing bars in the cross seal must be much more spread than if the cross-cutting was a straight cutting, this is well known by those skilled in the art. The consequence of this spread is a globally higher length of the packaging representing loss of packaging material.
  • the continuous teeth structure By positioning the continuous teeth structure on the lateral edges of the reel, the global length of the packaging is reduced by a length X, where X represents up to 10%. This principle is shown on Fig.6a (prior art) and 6b (invention).
  • the first reason for positioning the continuous teeth structure on the longitudinal seam is that the total length of the VFFS/HFFS packaging can be reduced up to 10%, which represents a considerable packaging material saving, without generating any additional scrap.
  • the second reason for positioning the continuous teeth structure on the longitudinal seam is the possibility to tear the pack in a transverse direction to the extrusion direction of the film (see figure 9a and 9b). This allows a more predictable opening and sometimes a particular opening of the packaging as shown in figure 4.
  • the fact that the teeth structure is a continuous structure further allows a tear at any position on the longitudinal seam.
  • Fig. 8 The manufacturing of such packaging machine reels is shown in Fig. 8.
  • the side-slitting scrap Y is always present, even in traditional cutting, and kept as small as possible.
  • FIG. 5 A finished reel is shown in Fig. 5 and its use on a VFFS/HFFS packaging machine is shown in Fig. 7.
  • An additional advantage of the present invention is a positive influence on tamper evidence for peel opening.
  • the cross sealed top can be peeled open by pulling on the fin seal of said packaging. If the longitudinal seams (seals) are equipped with a continuous teeth structure, the pack will start to tear at the longitudinal edge before the peeling can start. This makes it almost impossible to peel and reseal the pack without tearing it assuring in this way a certain tamper proof (tamper evidence).
  • plastic materials suitable for VFFS/HFFS packaging produced via a reel equipped with a continuous teeth structure are not limited.
  • Representative examples widely used in the market are BOPP, PET, PS, PE, PA, CPP, mono or multilayer combinations as well as laminates with paper or metallized films, etc.
EP04447113A 2004-05-05 2004-05-05 Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung Withdrawn EP1593603A1 (de)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP04447113A EP1593603A1 (de) 2004-05-05 2004-05-05 Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung
SI200530064T SI1742843T1 (sl) 2004-05-05 2005-02-17 Ovojnina, oblikovana kot navpična ali vodoravna oblika, ki se napolni in zavari, s pripomočkom zaodpiranje na vzdolžnem zvarnem šivu, ter postopek izdelave take ovojnine
PL05714375T PL1742843T3 (pl) 2004-05-05 2005-02-17 Opakowanie VFFS/HFFS z elementem pomocniczym otwierania na spoiwie wzdłużnej oraz sposób wytwarzania takiego opakowania
PT05714375T PT1742843E (pt) 2004-05-05 2005-02-17 ''embalagem vffs/hffs com abertura na costura longitudinal e processo de realização de tal embalagem''
AU2005237660A AU2005237660B2 (en) 2004-05-05 2005-02-17 VFFS/HFFS packaging with opening aid on the longitudinal seam and process of making such a packaging
US11/579,437 US20080267541A1 (en) 2004-05-05 2005-02-17 Vffs/hffs Packaging with Opening Aid on the Longitudinal Seam
DK05714375T DK1742843T3 (da) 2004-05-05 2005-02-17 VFFS/HFFS emballage med åbenhjælp på den langsgående söm og fremgangsmåde til fremstilling af en sådan emballage
EP05714375A EP1742843B1 (de) 2004-05-05 2005-02-17 Vertikale/horizontale form-füll-siegel-verpackung mit öffnungshilfe an der längsnaht und verfahren zur herstellung einer solchen verpackung
DE602005001944T DE602005001944T2 (de) 2004-05-05 2005-02-17 Vertikale/horizontale form-füll-siegel-verpackung mit öffnungshilfe an der längsnaht und verfahren zur herstellung einer solchen verpackung
NZ550565A NZ550565A (en) 2004-05-05 2005-02-17 VFFS/HFFS plastic packaging with opening aid on the longitudinal seam and the process of making such a packaging
CA002564118A CA2564118A1 (en) 2004-05-05 2005-02-17 Vffs/hffs packaging with opening aid on the longitudinal seam
PCT/BE2005/000024 WO2005105581A1 (en) 2004-05-05 2005-02-17 Vffs/hffs packaging with opening aid on the longitudinal seam and process of making such a packaging
AT05714375T ATE369289T1 (de) 2004-05-05 2005-02-17 Vertikale/horizontale form-füll-siegel-verpackung mit öffnungshilfe an der längsnaht und verfahren zur herstellung einer solchen verpackung
ES05714375T ES2290891T3 (es) 2004-05-05 2005-02-17 Embalaje vffs/hffs con ayuda de apertura en la costura longitudinal y procedimiento para la realizacion de dicho embalaje.
US12/983,716 US20110094193A1 (en) 2004-05-05 2011-01-03 VFFS/HFFS Packaging with Opening Aid on the Longitudinal Seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04447113A EP1593603A1 (de) 2004-05-05 2004-05-05 Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung

Publications (1)

Publication Number Publication Date
EP1593603A1 true EP1593603A1 (de) 2005-11-09

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP04447113A Withdrawn EP1593603A1 (de) 2004-05-05 2004-05-05 Durch ein vertikales oder horizontales Schlauchbeutelverfahren erzeugte Packung mit einer Aufrisshilfe an der Längsnaht sowie Verfahren zum Herstellen einer solchen Packung
EP05714375A Not-in-force EP1742843B1 (de) 2004-05-05 2005-02-17 Vertikale/horizontale form-füll-siegel-verpackung mit öffnungshilfe an der längsnaht und verfahren zur herstellung einer solchen verpackung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05714375A Not-in-force EP1742843B1 (de) 2004-05-05 2005-02-17 Vertikale/horizontale form-füll-siegel-verpackung mit öffnungshilfe an der längsnaht und verfahren zur herstellung einer solchen verpackung

Country Status (13)

Country Link
US (2) US20080267541A1 (de)
EP (2) EP1593603A1 (de)
AT (1) ATE369289T1 (de)
AU (1) AU2005237660B2 (de)
CA (1) CA2564118A1 (de)
DE (1) DE602005001944T2 (de)
DK (1) DK1742843T3 (de)
ES (1) ES2290891T3 (de)
NZ (1) NZ550565A (de)
PL (1) PL1742843T3 (de)
PT (1) PT1742843E (de)
SI (1) SI1742843T1 (de)
WO (1) WO2005105581A1 (de)

Cited By (1)

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DE102018124586A1 (de) * 2018-10-05 2020-04-09 DIENES WERKE FüR MASCHINENTEILE GMBH & CO. KG Schlauchbeutelmaschine und damit hergestellte Beutelpackung

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NZ547925A (en) * 2006-06-14 2007-11-30 Hugh Thomas Harry Davies Sachets and materials used in manufacture of sachets
US20110150371A1 (en) * 2008-07-28 2011-06-23 Sonoco Development, Inc. Flexible Pouch With Easy-Opening Features
US8230664B2 (en) 2008-07-28 2012-07-31 Sonoco Development, Inc. Pouch opening feature and method for making the same
ES2431946T3 (es) * 2010-11-17 2013-11-28 Mondi Consumer Packaging Technologies Gmbh Laminado de película para la fabricación de envases de bolsa con asa de película integrada y procedimiento para la fabricación del laminado
WO2013130466A1 (en) 2012-02-28 2013-09-06 The Procter & Gamble Company Method for forming packages
US10259602B2 (en) 2012-02-28 2019-04-16 The Procter And Gamble Company Method for forming packages
CN104487353B (zh) 2012-07-24 2017-06-09 宝洁公司 用于将产品封装进容器中的方法和设备
US9650180B2 (en) 2013-10-25 2017-05-16 Printpack Illinois, Inc. Tamper-indicating shapes for flexible recloseable packages
US9643812B2 (en) 2014-03-06 2017-05-09 The Procter & Gamble Company Method for pleating or shaping a web
US9783330B2 (en) 2014-03-06 2017-10-10 The Procter & Gamble Company Method and apparatus for shaping webs in a vertical form, fill, and sealing system
US9877592B2 (en) * 2014-08-25 2018-01-30 Joe Thomas Farris T-pocket towels
US9510713B2 (en) * 2014-08-25 2016-12-06 II Joe Thomas Farris Methods for sewing T-pocket towels

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CH651795A5 (en) * 1981-08-06 1985-10-15 Sig Schweiz Industrieges Pack for piece goods, process for producing the pack and tubular-bag machine for carrying out the process
EP0400577A1 (de) * 1989-06-02 1990-12-05 ASAHI CHEMICAL POLYFLEX Co.,Ltd. Verfahren zur Herstellung einer Öffnungshilfe für Beutel und Vorrichtung zur Ausführung des Verfahrens
US5409115A (en) * 1991-03-08 1995-04-25 Lohmann Gmbh & Co. Kg Tubular bag packaging, for bandage-like materials in particular

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Publication number Priority date Publication date Assignee Title
CH651795A5 (en) * 1981-08-06 1985-10-15 Sig Schweiz Industrieges Pack for piece goods, process for producing the pack and tubular-bag machine for carrying out the process
EP0400577A1 (de) * 1989-06-02 1990-12-05 ASAHI CHEMICAL POLYFLEX Co.,Ltd. Verfahren zur Herstellung einer Öffnungshilfe für Beutel und Vorrichtung zur Ausführung des Verfahrens
US5409115A (en) * 1991-03-08 1995-04-25 Lohmann Gmbh & Co. Kg Tubular bag packaging, for bandage-like materials in particular

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018124586A1 (de) * 2018-10-05 2020-04-09 DIENES WERKE FüR MASCHINENTEILE GMBH & CO. KG Schlauchbeutelmaschine und damit hergestellte Beutelpackung

Also Published As

Publication number Publication date
US20080267541A1 (en) 2008-10-30
ATE369289T1 (de) 2007-08-15
CA2564118A1 (en) 2005-11-10
DE602005001944D1 (de) 2007-09-20
AU2005237660B2 (en) 2010-06-17
AU2005237660A1 (en) 2005-11-10
US20110094193A1 (en) 2011-04-28
SI1742843T1 (sl) 2007-12-31
WO2005105581A1 (en) 2005-11-10
EP1742843A1 (de) 2007-01-17
DK1742843T3 (da) 2007-12-27
ES2290891T3 (es) 2008-02-16
DE602005001944T2 (de) 2008-04-24
PL1742843T3 (pl) 2008-01-31
EP1742843B1 (de) 2007-08-08
PT1742843E (pt) 2007-11-21
NZ550565A (en) 2009-01-31

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