EP2301859B1 - Stand bag made of a heat sealable plastic film and method for its manufacture - Google Patents

Stand bag made of a heat sealable plastic film and method for its manufacture Download PDF

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Publication number
EP2301859B1
EP2301859B1 EP09012196A EP09012196A EP2301859B1 EP 2301859 B1 EP2301859 B1 EP 2301859B1 EP 09012196 A EP09012196 A EP 09012196A EP 09012196 A EP09012196 A EP 09012196A EP 2301859 B1 EP2301859 B1 EP 2301859B1
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EP
European Patent Office
Prior art keywords
film
pouch
stand
handle
front wall
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.)
Active
Application number
EP09012196A
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German (de)
French (fr)
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EP2301859A1 (en
Inventor
Jens Kösters
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.)
Mondi Halle GmbH
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Mondi Halle 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 Mondi Halle GmbH filed Critical Mondi Halle GmbH
Priority to EP09012196A priority Critical patent/EP2301859B1/en
Priority to PL09012196T priority patent/PL2301859T3/en
Priority to ES09012196T priority patent/ES2413191T3/en
Priority to US12/887,130 priority patent/US8414188B2/en
Priority to CA2715240A priority patent/CA2715240C/en
Priority to RU2010139530/12A priority patent/RU2533351C2/en
Priority to JP2010213894A priority patent/JP2011068412A/en
Priority to MX2010010459A priority patent/MX336084B/en
Priority to CN201010546219.3A priority patent/CN102030134B/en
Publication of EP2301859A1 publication Critical patent/EP2301859A1/en
Application granted granted Critical
Publication of EP2301859B1 publication Critical patent/EP2301859B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/06Handles
    • B65D33/10Handles formed of similar material to that used for the bag
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/008Standing pouches, i.e. "Standbeutel"
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/54Cards, coupons, or other inserts or accessories
    • B65D75/56Handles or other suspension means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5861Spouts
    • B65D75/5872Non-integral spouts
    • B65D75/5883Non-integral spouts connected to the package at the sealed junction of two package walls

Definitions

  • the invention relates to a stand-up pouch made of a heat-sealable plastic film, in particular for liquid filling material, with a front wall and a rear wall, which are connected at their longitudinal edges by sealing seams, and with an inwardly folded film bottom and a likewise folded inward Foliendeckel.
  • the front wall and the Foliendeckel are connected by a transverse sealing seam.
  • a closure device is arranged, which is connected in a fluid-tight manner to the adjacent surfaces of the foil lid and the front wall.
  • Stand-up pouches with the features described above are for example made EP 1 233 915 A1 known. They are characterized in comparison to blow-molded packaging containers by a much lower weight and also have the advantage that the empty containers can be transported to save space and the packaging can be folded again after their emptying and disposed of to save space. Due to their low dimensional stability, however, the flexible bag packaging can be handled worse when pouring the contents. It is difficult to keep the bag packaging when pouring the contents, since the bag walls are resilient and the shape and the bag volume changes constantly during the Browntddling. A metered Artholdtddling requires some skill. The problems increase with increasing container size.
  • the invention has for its object to improve the handling of a bag used for packaging purposes.
  • the object is to provide a stand-up pouch that can be taken safely when pouring or pouring the contents and allows a metered delivery of flowable, especially liquid products.
  • a foil-carrying handle is arranged approximately centrally on the rear wall.
  • the pouring element may be formed as a pouring spout, which allows accurate metering of the poured contents and is closed with a cap.
  • the pouring element can also have a screw cap, with which a dense and reliable reclosure can be achieved.
  • the packaging is always held during the pouring out of the filling material in such a manner that the closing device is necessarily at the lowest point.
  • This allows a metered delivery of product and unproblematic emptying.
  • the stand-up pouch according to the invention can always be held securely with one hand and aligned in such a way that the filling material contained in the stand-up pouch, in particular a liquid, flows to the closure device.
  • the foil handle can have a handle loop, which is aligned either parallel or transverse to the longitudinal edges.
  • the film carrier handle is preferably within the outer contour of the bag and therefore does not interfere with the transport of the flattened and initially unfilled bag.
  • the foil handle according to the invention also allows the packaging can be refolded after their complete emptying and disposed of in a space-saving manner.
  • a first embodiment provides that the foil-engaging handle is fastened to the inner side surface of the rear wall or the foil bottom and accessible through a handle opening in the rear wall or in the foil bottom.
  • the attachment is preferably effected by heat sealing.
  • the handle opening is liquid-tightly closed by a foil sheet, which is connected to the rear side of the foil-holding handle by a sealing seam surrounding the handle opening with the inner surface of the bag.
  • the handle opening is closed by a detachable film section of the front wall or the foil bottom, so that the foil-engaging handle is arranged completely within the contour of the stand-up pouch.
  • the stand-up pouches which initially leave a pouch-making plant as flattened, unfilled pouches, have smooth surfaces and as a result can be easily stacked and transported. Also, the transport of filled pouches, for example, in cartons or other packaging is not affected if the foil handle is hidden behind a smooth outer surface of the bag.
  • the foil carrier handle has in this case an existing loop of a film strip which engages around a carrier sheet.
  • the carrier sheet projecting on both sides of the loop is preferably secured to the rear foil sheet and / or to the inner surface of the bag by heat sealing.
  • the carrying handle construction described has the advantage that the force acting when wearing the bag stand first is distributed on the carrier sheet and thus on a large area. The even force distribution allows the transmission of large loads.
  • the foil-engaging handle can also be designed as a simple foil strip.
  • a reinforcing sheet is arranged on the inner surface of the bag and connected to the inner surface by heat sealing, wherein a handle loop is formed from a section of the bag foil and the reinforcing sheet bounded on the edge by two slits.
  • a closure sheet is provided, with which an opening formed by the grip loop is covered on the inside of the bag.
  • the slots defining the grip loop can each be arranged between two sealing seams with which the reinforcing sheet is sealed onto the inner surface of the bag.
  • the front wall, the rear wall, the foil bottom and the foil lid can be formed by folding a flat material web.
  • the front wall and the film lid are connected by a sealed seam, which closes the folded material web tubular and forms an edge of the bag.
  • the folding edges between the foil bottom and the foil surfaces of the front wall and rear wall and the folded edges between the foil lid and the foil surfaces of the front wall and back wall are expediently reinforced by sealing seams, so-called blind seal seams.
  • sealing seams so-called blind seal seams.
  • diagonal sealing seams are provided, which extend from the edges of the foil bottom or the foil lid each up to the Longitudinal edges of the bag and connect the front wall or rear wall with an adjacent edge of the foil bottom or Foliendeckels.
  • the foil bottom and the foil lid have the same dimensions.
  • the film bottom has a greater width than the film lid. This means that the film base in the flat state forms a deeper fold than the region of the film lid.
  • the stand-up pouch can be made of transparent polymers or equipped with windows in order to be able to recognize the fill level.
  • Advantageous material combinations are, for example, PET / PE, OPP / PE, PET / OPA / PP, OPP / PP and PE / PE.
  • transparent barrier layers can be formed by SiOx-coated films or by coextruded barrier polymer layers, e.g. B. EVOH be provided.
  • plastic films and composite materials may be used which have one or more layers of biodegradable and renewable resources. Examples are cellulose / starch polyester and OPLA / PLA polyester compounds.
  • composite materials which comprise a metallic intermediate layer or an intermediate layer of a metallized polymer are also particularly suitable for the stand-up pouch according to the invention.
  • Advantageous material combinations are PET / Alu / PE, PET / Alu / PP and OPP (metallized) / PP.
  • the thickness of the plastic film depends largely on the bag size and the filling weight for which the stand-up pouch is designed.
  • a stand-up pouch for liquids with a filling volume of about 2.5 L can for example be made of a plastic film, which has a three-layer structure with a 12 ⁇ m thick outer layer of PET, a 12 ⁇ m thick intermediate layer of PET and a 100 ⁇ m thick polyethylene layer on the inside of the bag.
  • fabrics in the film composite it is also possible to use fabrics in the film composite.
  • Such a plastic film has, for example, a layer composite of PE / fabric / PE.
  • the invention also provides a method for producing the described bag with the method steps described below.
  • foil-carrying handles are fixed so that the foil tucking handles are positioned after folding the foil web on a foil surface, which forms a rear wall of the stand-up pouch.
  • the film web is formed by folding in a flattened gusseted tube, which is still open on one longitudinal side between a V-shaped inserted fold and the front wall of the stand-up bag forming surface.
  • the gusseted tube is closed at its open longitudinal side with a longitudinal sealing seam, which is interrupted at predetermined intervals and thereby releases openings for inserting closure devices.
  • the closure devices are then inserted into the openings in the longitudinal sealing seam and subsequently connected in a liquid-tight manner to the film web.
  • the connection is preferably made with a heat-sealing tool, wherein the shape of the heat-sealing tool is adapted to the contour of the pouring element.
  • the bottom and top film surfaces of the flattened gusseted bag are then still connected with transverse sealing sutures before separating from the gusseted tube stand-up pouches whose longitudinal edges have been formed by the transverse sealing sutures.
  • the in the Fig. 1 to 4 and 6 illustrated stand-up pouch consists of a heat-sealable, preferably multilayer plastic film and is used to package flowable, especially liquid products.
  • the stand-up pouch is manufactured as a flattened pouch and filled with the contents in bottling plants.
  • the stand-up pouch shown in the figures consists in its basic structure of a front wall 1 and a rear wall 2, which are connected at their longitudinal edges 3 by sealing seams 4, and an inwardly folded Foil bottom 5 and a likewise folded inward Foliendeckel 6.
  • the front wall 1 and the Foliendeckel 6 are connected by a transverse seam 7.
  • a pouring element provided with a closure is arranged as a closure device 8, which is connected in a liquid-tight manner to the adjacent surfaces of the foil lid 6 and the front wall 1.
  • a film bag handle 9 which the in Fig. 5 having shown construction.
  • the film carrier handle 9 lies within the outer contour of the bag. It is attached to the bag inside surface of the rear wall 2 and accessible through a handle opening 10 in the rear wall 2.
  • the handle opening 10 is liquid-tightly closed by a foil sheet 11, which is connected to the rear side of the foil-holding handle 9 by a sealing seam 12 surrounding the handle opening with the inner surface of the bag.
  • the representation in Fig. 2 It can be seen that the handle opening 10 may be covered by a detachable film section 13 of the rear wall.
  • the foil-holding handle 9 has a loop consisting of a film strip 14, which surrounds a carrier sheet 15.
  • the carrier sheet 15 protrudes on both sides of the loop 14 and is secured to the overhanging ends by a seal 16 on the rear side foil sheet 11. It may additionally or alternatively also be sealed directly on the inner surface of the bag.
  • the front wall 1, the rear wall 2, the film bottom 5 and the Foliendeckel 6 are formed by folding a flat material web.
  • the front wall 1 and the film lid 6 are connected by a sealed seam 7, which closes the folded material web tubular and an edge of the bag forms.
  • the folded edges between the foil bottom 5 and the foil surfaces of the front wall and rear wall and the folded edges between the foil lid 6 and the foil surfaces of the front wall and back wall are reinforced by sealing seams, so-called blind seal seams 17.
  • the blind seal seams 17 have no sealing function and serve exclusively to reinforce or stiffen the bag.
  • Diagonal sealing seams 18, which extend from the edges of the foil bottom 5 or the foil lid 6 to the longitudinal edges 3 of the pouch are also provided in the pouch corners. They each connect the front wall 1 or rear wall 2 with an adjacent flank of the foil bottom 5 or foil lid 6.
  • the Fig. 6 shows the handling of a bag used as packaging for liquids when pouring the contents.
  • the arrangement of the film carrier handle 9 on the rear wall 2 of the bag is achieved that the packaging is always kept during pouring of the contents so that the closure device 8 is located at the lowest point and a complete emptying of the packaging is easily possible.
  • the closure device 8 in the form of a pouring element is arranged approximately at the center of the edge bounding the foil lid 6. Even off-center arrangements are readily possible.
  • the film carrier handle 9 can be aligned parallel or transverse to the longitudinal edges 3.
  • the Fig. 7 shows a method for producing the stand-up pouch.
  • foil carrier handles 9 are fastened at predetermined intervals such that the foil tundishes 9 are positioned on a foil surface after folding over the foil web 19, which forms a back wall 2 or an inwardly folded foil bottom 5 of the stand-up pouches.
  • the foil carrier handles 9 are prefabricated elements and have, for example, the in Fig. 5 shown construction.
  • the gusseted tube 20 On its open longitudinal side 22, the gusseted tube 20 is closed with a longitudinal sealing seam 23, which corresponds to the transverse seal seam 7 in the finished stand-up pouch.
  • the longitudinal sealing seam 23 is interrupted at predetermined intervals and thereby releases openings 24 for inserting pouring elements 8.
  • pouring elements 8 are inserted into the openings 24 in the longitudinal sealing seam 23 and connected to the film web 19 in a liquid-tight manner.
  • the lower and upper foil surfaces of the flattened gusseted tube 20 are connected to transverse sealing sutures 25.
  • stand bags are separated from the gusseted tube, whose longitudinal edges have been formed by the transverse sealing seams 25.

Description

Die Erfindung betrifft einen Standbeutel aus einer heißsiegelfähigen Kunststofffolie, insbesondere für flüssiges Füllgut, mit einer Frontwand und einer Rückwand, die an ihren Längskanten durch Siegelnähte verbunden sind, sowie mit einem nach innen gefalteten Folienboden und einem ebenfalls nach innen gefalteten Foliendeckel. Die Frontwand und der Foliendeckel sind durch eine Quersiegelnaht verbunden. In dem Verbindungsbereich zwischen der Frontwand und dem Foliendeckel ist eine Verschlusseinrichtung angeordnet, welche flüssigkeitsdicht mit den angrenzenden Flächen des Foliendeckels und der Frontwand verbunden ist.The invention relates to a stand-up pouch made of a heat-sealable plastic film, in particular for liquid filling material, with a front wall and a rear wall, which are connected at their longitudinal edges by sealing seams, and with an inwardly folded film bottom and a likewise folded inward Foliendeckel. The front wall and the Foliendeckel are connected by a transverse sealing seam. In the connection region between the front wall and the foil lid, a closure device is arranged, which is connected in a fluid-tight manner to the adjacent surfaces of the foil lid and the front wall.

Standbeutel mit den eingangs beschriebenen Merkmalen sind beispielsweise aus EP 1 233 915 A1 bekannt. Sie zeichnen sich im Vergleich zu blasgeformten Verpackungsbehältern durch ein wesentlich geringeres Gewicht aus und haben ferner den Vorteil, dass die Leergebinde platzsparend transportiert werden können und die Verpackungen nach ihrer Entleerung wieder zusammengefaltet sowie platzsparend entsorgt werden können. Aufgrund ihrer geringen Formstabilität lassen sich die flexiblen Beutelverpackungen beim Ausgießen des Füllgutes allerdings schlechter handhaben. Es ist schwierig, die Beutelverpackung beim Ausgießen des Füllgutes zu halten, da die Beutelwände nachgiebig sind und sich die Form sowie das Beutelvolumen während der Füllgutentnahme ständig ändert. Eine dosierte Füllgutentnahme erfordert einiges Geschick. Die Probleme nehmen dabei mit zunehmender Gebindegröße zu.Stand-up pouches with the features described above are for example made EP 1 233 915 A1 known. They are characterized in comparison to blow-molded packaging containers by a much lower weight and also have the advantage that the empty containers can be transported to save space and the packaging can be folded again after their emptying and disposed of to save space. Due to their low dimensional stability, however, the flexible bag packaging can be handled worse when pouring the contents. It is difficult to keep the bag packaging when pouring the contents, since the bag walls are resilient and the shape and the bag volume changes constantly during the Füllgutentnahme. A metered Füllgutentnahme requires some skill. The problems increase with increasing container size.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, die Handhabung eines zu Verpackungszwecken eingesetzten Standbeutels zu verbessern. Insbesondere besteht die Aufgabe darin, einen Standbeutel anzugeben, der beim Ausgießen bzw. Schütten des Füllgutes sicher gefasst werden kann und eine dosierte Abgabe von fließfähigen, insbesondere flüssigen Produkten ermöglicht.Against this background, the invention has for its object to improve the handling of a bag used for packaging purposes. In particular, the object is to provide a stand-up pouch that can be taken safely when pouring or pouring the contents and allows a metered delivery of flowable, especially liquid products.

Ausgehend von einem Standbeutel mit den eingangs beschriebenen Merkmalen wird die Aufgabe erfindungsgemäß dadurch gelöst, dass ein Folientragegriff etwa mittig an der Rückwand angeordnet ist. Das Ausgießelement kann als Ausgießtülle ausgebildet sein, welche eine genaue Dosierung des ausgegossenen Füllgutes ermöglicht und mit einer Kappe verschlossen ist. Insbesondere kann das Ausgießelement auch einen Schraubverschluss aufweisen, mit dem ein dichter und zuverlässiger Wiederverschluss erreicht werden kann.Based on a stand-up pouch with the features described above, the object is achieved in that a foil-carrying handle is arranged approximately centrally on the rear wall. The pouring element may be formed as a pouring spout, which allows accurate metering of the poured contents and is closed with a cap. In particular, the pouring element can also have a screw cap, with which a dense and reliable reclosure can be achieved.

Durch die erfindungsgemäße Anordnung des Folientragegriffes an der Rückwand des Standbeutels wird erreicht, dass die Verpackung beim Ausgießen des Füllgutes stets so gehalten wird, dass die Verschlusseinrichtung zwangsläufig an der tiefsten Stelle liegt. Das erlaubt eine dosierte Füllgutabgabe sowie eine unproblematische Restentleerung. Während des Ausgießvorganges ändert sich das Volumen und die Form der Verpackung. Stets kann der erfindungsgemäße Standbeutel aber mit einer Hand sicher gehalten und so ausgerichtet werden, dass das in dem Standbeutel enthaltene Füllgut, insbesondere eine Flüssigkeit der Verschlusseinrichtung zufließt. Dabei kann der Folientragegriff eine Handgriffschlaufe aufweisen, die entweder parallel oder quer zu den Längskanten ausgerichtet ist. Der Folientragegriff liegt vorzugsweise innerhalb der Außenkontur des Standbeutels und stört daher nicht beim Transport der flachgelegten und zunächst ungefüllten Beutel. Der erfindungsgemäße Folientragegriff lässt es ferner zu, dass die Verpackung nach ihrer vollständigen Entleerung wieder zusammengefaltet und platzsparend entsorgt werden kann.Due to the inventive arrangement of the foil-engaging handle on the rear wall of the bag, it is achieved that the packaging is always held during the pouring out of the filling material in such a manner that the closing device is necessarily at the lowest point. This allows a metered delivery of product and unproblematic emptying. During the pouring process, the volume and shape of the package changes. However, the stand-up pouch according to the invention can always be held securely with one hand and aligned in such a way that the filling material contained in the stand-up pouch, in particular a liquid, flows to the closure device. In this case, the foil handle can have a handle loop, which is aligned either parallel or transverse to the longitudinal edges. The film carrier handle is preferably within the outer contour of the bag and therefore does not interfere with the transport of the flattened and initially unfilled bag. The foil handle according to the invention also allows the packaging can be refolded after their complete emptying and disposed of in a space-saving manner.

Es bestehen mehrere Möglichkeiten der konstruktiven Ausgestaltung des Folientragegriffes. Die Auswahl richtet sich nach der Beanspruchung und ist abhängig von der Größe des Standbeutels bzw, dem Füllgewicht für das er ausgelegt ist. Eine erste Ausführungsform sieht vor, dass der Folientragegriff an der beutelinnenseitigen Fläche der Rückwand oder des Folienbodens befestigt und durch eine Grifföffnung in der Rückwand bzw. im Folienboden zugänglich ist Die Befestigung erfolgt vorzugsweise durch Heißsiegeln. Die Grifföffnung ist flüssigkeitsdicht durch ein Folienblatt verschlossen, welches an der Rückseite des Folientragegriffes durch eine die Grifföffnung umgebende Siegelnaht mit der Beutelinnenfläche verbunden ist. Vorzugsweise ist die Grifföffnung durch einen heraustrennbaren Folienabschnitt der Frontwand oder des Folienbodens verschlossen, so dass der Folientragegriff vollständig innerhalb der Kontur des Standbeutels angeordnet ist. Die Standbeutel, welche eine Beutelherstellungsanlage zunächst als flachgelegte, ungefüllte Beutel verlassen, weisen glatte Oberflächen auf und lassen sich infolge dessen gut stapeln und transportieren. Auch der Transport von gefüllten Standbeuteln, beispielsweise in Kartons oder anderen Verpackungen wird nicht beeinträchtigt, wenn der Folientragegriff hinter einer glatten Außenfläche des Beutels versteckt angeordnet ist.There are several ways of constructive design of the foil handle. The selection depends on the load and is dependent on the size of the bag or the filling weight for which it is designed. A first embodiment provides that the foil-engaging handle is fastened to the inner side surface of the rear wall or the foil bottom and accessible through a handle opening in the rear wall or in the foil bottom. The attachment is preferably effected by heat sealing. The handle opening is liquid-tightly closed by a foil sheet, which is connected to the rear side of the foil-holding handle by a sealing seam surrounding the handle opening with the inner surface of the bag. Preferably, the handle opening is closed by a detachable film section of the front wall or the foil bottom, so that the foil-engaging handle is arranged completely within the contour of the stand-up pouch. The stand-up pouches, which initially leave a pouch-making plant as flattened, unfilled pouches, have smooth surfaces and as a result can be easily stacked and transported. Also, the transport of filled pouches, for example, in cartons or other packaging is not affected if the foil handle is hidden behind a smooth outer surface of the bag.

Wenn der Folientragegriff für große Beanspruchungen ausgelegt werden muss, ist die folgende Ausgestaltung vorteilhaft. Der Folientragegriff weist in diesem Falle eine aus einem Folienstreifen bestehende Schlaufe auf, die ein Trägerblatt umgreift. Das an beiden Seiten der Schlaufe überstehende Trägerblatt ist an dem rückseitigen Folienblatt und/oder an der Beutelinnenfläche vorzugsweise durch Heißsiegeln befestigt. Die beschriebene Tragegriffkonstruktion hat den Vorteil, dass die beim Tragen des Standbeutels wirkende Kraft zunächst auf das Trägerblatt und damit auf eine große Fläche verteilt wird. Die gleichmäßige Kraftverteilung ermöglicht die Übertragung großer Traglasten. Bei kleineren Standbeuteln, die für ein geringeres Füllgewicht ausgelegt sind, kann der Folientragegriff auch als einfacher Folienstreifen ausgebildet sein. Zur Befestigung eines solchen einfacheren Folientragegriffes bietet es sich an, die Enden durch Öffnungen in der Beutelhülle mit einem Folienblatt thermisch zu verbinden, welches mit Siegelnähten an der Beutelinnenfläche befestigt ist und die Öffnungen flüssigkeitsdicht verschließt. Gemäß einer weiteren möglichen Ausgestaltung des Folientragegriffs ist an der Beutelinnenfläche ein Verstärkungsblatt angeordnet und durch Heißsiegeln mit der Innenfläche verbunden, wobei eine Griffschlaufe aus einem randseitig von zwei Schlitzen begrenzten Abschnitt der Beutelfolie und des Verstärkungsblattes gebildet ist. Zusätzlich ist ein Verschlussblatt vorgesehen, mit dem eine durch die Griffschlaufe gebildete Öffnung an der Beutelinnenseite abgedeckt ist. Um eine erhöhte Tragkraft zu erreichen, können die die Griffschlaufe definierenden Schlitze jeweils zwischen zwei Siegelnähten angeordnet sein, mit denen das Verstärkungsblatt auf die Beutelinnenfläche aufgesiegelt ist.If the foil handle has to be designed for high loads, the following configuration is advantageous. The foil carrier handle has in this case an existing loop of a film strip which engages around a carrier sheet. The carrier sheet projecting on both sides of the loop is preferably secured to the rear foil sheet and / or to the inner surface of the bag by heat sealing. The carrying handle construction described has the advantage that the force acting when wearing the bag stand first is distributed on the carrier sheet and thus on a large area. The even force distribution allows the transmission of large loads. For smaller stand-up pouches, which are designed for a lower filling weight, the foil-engaging handle can also be designed as a simple foil strip. To attach such a simpler foil tread handle, it is advisable to thermally connect the ends through openings in the bag casing with a foil sheet, which is fastened with sealing seams on the inner surface of the bag and closes the openings in a liquid-tight manner. According to a further possible embodiment of the foil-carrying handle, a reinforcing sheet is arranged on the inner surface of the bag and connected to the inner surface by heat sealing, wherein a handle loop is formed from a section of the bag foil and the reinforcing sheet bounded on the edge by two slits. In addition, a closure sheet is provided, with which an opening formed by the grip loop is covered on the inside of the bag. In order to achieve an increased carrying capacity, the slots defining the grip loop can each be arranged between two sealing seams with which the reinforcing sheet is sealed onto the inner surface of the bag.

Die Frontwand, die Rückwand, der Folienboden und der Foliendeckel können durch Falten einer flächigen Materialbahn geformt werden. Dabei sind die Frontwand und der Foliendeckel durch eine Siegelnaht verbunden, welche die gefaltete Materialbahn schlauchförmig schließt und eine Kante des Standbeutels bildet. Auch die Faltkanten zwischen dem Folienboden und den Folienflächen der Frontwand und Rückwand sowie die Faltkanten zwischen dem Foliendeckel und den Folienflächen der Frontwand und Rückwand sind zweckmäßig durch Siegelnähte, so genannte Blindsiegelnähte, verstärkt. Ferner sind in den Beutelecken vorzugsweise diagonale Siegelnähte vorgesehen, die sich von den Rändern des Folienbodens oder des Foliendeckels jeweils bis zu den Längskanten des Beutels erstrecken und die Frontwand oder Rückwand mit einer benachbarten Flanke des Folienbodens oder Foliendeckels verbinden.The front wall, the rear wall, the foil bottom and the foil lid can be formed by folding a flat material web. In this case, the front wall and the film lid are connected by a sealed seam, which closes the folded material web tubular and forms an edge of the bag. The folding edges between the foil bottom and the foil surfaces of the front wall and rear wall and the folded edges between the foil lid and the foil surfaces of the front wall and back wall are expediently reinforced by sealing seams, so-called blind seal seams. Furthermore, in the bag corners preferably diagonal sealing seams are provided, which extend from the edges of the foil bottom or the foil lid each up to the Longitudinal edges of the bag and connect the front wall or rear wall with an adjacent edge of the foil bottom or Foliendeckels.

Üblicherweise weisen der Folienboden sowie der Foliendeckel gleiche Abmessungen auf. Zur Verbesserung des Ausgießverhaltens kann es jedoch vorteilhaft sein, wenn der Folienboden eine größere Breite aufweist als der Foliendeckel. Das bedeutet, dass der Folienboden im flachgelegten Zustand eine tiefere Falte bildet als der Bereich des Foliendeckels.Usually, the foil bottom and the foil lid have the same dimensions. To improve the Ausgießverhaltens, however, it may be advantageous if the film bottom has a greater width than the film lid. This means that the film base in the flat state forms a deeper fold than the region of the film lid.

Als Kunststofffolie zur Fertigung des Standbeutels bieten sich eine Vielzahl von Polymeren und Materialkombinationen an. Insbesondere kann der Standbeutel aus transparenten Polymeren gefertigt oder mit Fenstern ausgestattet sein, um den Füllstand erkennen zu können. Vorteilhafte Materialkombinationen sind beispielsweise PET/PE, OPP/PE, PET/OPA/PP, OPP/PP und PE/PE. Zusätzlich können transparente Barriereschichten durch SiOx-beschichtete Folien oder durch coextrudierte Barrierepolymerschichten, z. B. EVOH vorgesehen sein. Als Kunststofffolien können auch Verbundmaterialien zur Anwendung kommen, die eine oder mehrere Schichten aus biologisch abbaubaren und nachwachsenden Rohstoffen aufweisen. Als Beispiele sind Cellulose/Stärke-Polyester- und OPLA/PLA-Polyester-Compounds zu nennen. Für den erfindungsgemäßen Standbeutel kommen insbesondere aber auch Verbundmaterialien in Betracht, die eine metallische Zwischenschicht oder eine Zwischenschicht aus einen metallisierten Polymer umfassen. Vorteilhafte Materialkombinationen sind PET/Alu/PE, PET/Alu/PP sowie OPP (metallisiert)/PP.As a plastic film for the production of the bag offer a variety of polymers and material combinations. In particular, the stand-up pouch can be made of transparent polymers or equipped with windows in order to be able to recognize the fill level. Advantageous material combinations are, for example, PET / PE, OPP / PE, PET / OPA / PP, OPP / PP and PE / PE. In addition, transparent barrier layers can be formed by SiOx-coated films or by coextruded barrier polymer layers, e.g. B. EVOH be provided. As plastic films and composite materials may be used which have one or more layers of biodegradable and renewable resources. Examples are cellulose / starch polyester and OPLA / PLA polyester compounds. However, composite materials which comprise a metallic intermediate layer or an intermediate layer of a metallized polymer are also particularly suitable for the stand-up pouch according to the invention. Advantageous material combinations are PET / Alu / PE, PET / Alu / PP and OPP (metallized) / PP.

Die Dicke der Kunststofffolie hängt maßgeblich ab von der Beutelgröße und dem Füllgewicht, für das der Standbeutel ausgelegt ist. Ein Standbeutel für Flüssigkeiten mit einem Füllvolumen von etwa 2,5 L kann beispielsweise aus einer Kunststofffolie gefertigt werden, die einen dreischichtigen Aufbau mit einer 12 µm dicken Außenschicht aus PET, einer 12 µm dicken Zwischenschicht aus PET sowie einer 100 µm dicken Polyethylenschicht an der Beutelinnenseite aufweist. Zur Erhöhung der Fallfestigkeit können schließlich auch Gewebe im Folienverbund eingesetzt werden. Eine solche Kunststofffolie weist beispielsweise einen Schichtenverbund aus PE/Gewebe/PE auf.The thickness of the plastic film depends largely on the bag size and the filling weight for which the stand-up pouch is designed. A stand-up pouch for liquids with a filling volume of about 2.5 L can for example be made of a plastic film, which has a three-layer structure with a 12 μm thick outer layer of PET, a 12 μm thick intermediate layer of PET and a 100 μm thick polyethylene layer on the inside of the bag. Finally, to increase the fall resistance, it is also possible to use fabrics in the film composite. Such a plastic film has, for example, a layer composite of PE / fabric / PE.

Gegenstand der Erfindung ist auch ein Verfahren zur Herstellung des beschriebenen Standbeutels mit den nachfolgend beschriebenen Verfahrensschritten. Auf einer ebenen Folienbahn werden in vorgegebenen Abständen Folientragegriffe so befestigt, dass die Folientragegriffe nach Umfalten der Folienbahn an einer Folienfläche positioniert sind, die eine Rückwand der Standbeutel bildet. Die Folienbahn wird durch Falten in einen flachgelegten Seitenfaltenschlauch umgeformt, der an einer Längsseite zwischen einer V-förmig eingelegten Falte und einer die Frontwand der Standbeutel bildenden Fläche noch offen ist. Der Seitenfaltenschlauch wird an seiner offenen Längsseite mit einer Längssiegelnaht geschlossen, die in vorgegebenen Abständen unterbrochen ist und dadurch Öffnungen zum Einsetzen von Verschlusseinrichtungen freigibt. Die Verschlusseinrichtungen werden sodann in die Öffnungen in der Längssiegelnaht eingesetzt und nachfolgend mit der Folienbahn flüssigkeitsdicht verbunden. Die Verbindung erfolgt vorzugsweise mit einem Heißsiegelwerkzeug, wobei die Form des Heißsiegelwerkzeuges an die Kontur des Ausgießelementes anzupassen ist. Die untere und obere Folienfläche des flachgelegten Seitenfaltenbeutels werden dann noch mit Quersiegelnähten verbunden, bevor von dem Seitenfaltenschlauch Standbeutel abgetrennt werden, deren Längskanten von den Quersiegelnähten geformt worden sind.The invention also provides a method for producing the described bag with the method steps described below. On a flat film web at certain intervals foil-carrying handles are fixed so that the foil tucking handles are positioned after folding the foil web on a foil surface, which forms a rear wall of the stand-up pouch. The film web is formed by folding in a flattened gusseted tube, which is still open on one longitudinal side between a V-shaped inserted fold and the front wall of the stand-up bag forming surface. The gusseted tube is closed at its open longitudinal side with a longitudinal sealing seam, which is interrupted at predetermined intervals and thereby releases openings for inserting closure devices. The closure devices are then inserted into the openings in the longitudinal sealing seam and subsequently connected in a liquid-tight manner to the film web. The connection is preferably made with a heat-sealing tool, wherein the shape of the heat-sealing tool is adapted to the contour of the pouring element. The bottom and top film surfaces of the flattened gusseted bag are then still connected with transverse sealing sutures before separating from the gusseted tube stand-up pouches whose longitudinal edges have been formed by the transverse sealing sutures.

Im Folgenden wird die Erfindung anhand von Ausführungsbeispielen erläutert. Es zeigen schematisch:

Fig. 1
die Vorderseite eines flachgelegten Standbeutels mit einer Ansicht der Frontwand,
Fig. 2
die Rückseite des flachgelegten Standbeutels mit einer Ansicht der Rückwand,
Fig. 3
eine Seitenansicht des flachgelegten, zu Darstellungszwecken leicht gespreizten Standbeutels mit einem Blick auf den Foliendeckel,
Fig. 4
eine Seitenansicht des flachgelegten, zu Darstellungszwecken leicht gespreizten Standbeutels mit einem Blick auf den Folienboden,
Fig. 5
die Einzelteilzeichnung eines Folientragegriffes,
Fig. 6
die Handhabung eines als Verpackung für Flüssigkeiten verwendeten Standbeutels beim Ausgießen des Füllgutes,
Fig. 7
ein Verfahren zur Herstellung der beschriebenen Standbeutel.
In the following, the invention will be explained with reference to exemplary embodiments. They show schematically:
Fig. 1
the front of a flattened bag with a view of the front wall,
Fig. 2
the back of the flattened bag with a view of the back wall,
Fig. 3
a side view of the flattened, for purposes of illustration slightly spread bag with a view of the Foliendeckel,
Fig . 4
a side view of the flattened, for purposes of illustration slightly spread stand bag with a view of the film bottom,
Fig. 5
the item drawing of a foil carrier handle,
Fig. 6
the handling of a bag used as packaging for liquids when pouring the contents,
Fig. 7
a method for producing the described stand-up pouch.

Der in den Fig. 1 bis 4 sowie 6 dargestellte Standbeutel besteht aus einer heißsiegelfähigen, vorzugsweise mehrschichtigen Kunststofffolie und dient der Verpackung von fließfähigen, insbesondere flüssigen Produkten. Der Standbeutel wird als flachgelegter Beutel gefertigt und in Abfüllanlagen mit dem Füllgut befüllt.The in the Fig. 1 to 4 and 6 illustrated stand-up pouch consists of a heat-sealable, preferably multilayer plastic film and is used to package flowable, especially liquid products. The stand-up pouch is manufactured as a flattened pouch and filled with the contents in bottling plants.

Der in den Figuren dargestellte Standbeutel besteht in seinem grundsätzlichen Aufbau aus einer Frontwand 1 und einer Rückwand 2, die an ihren Längskanten 3 durch Siegelnähte 4 verbunden sind, sowie einem nach innen gefalteten Folienboden 5 und einem ebenfalls nach innen gefalteten Foliendeckel 6. Die Frontwand 1 und der Foliendeckel 6 sind durch eine Quersiegelnaht 7 verbunden. In dem Verbindungsbereich zwischen der Frontwand 1 und dem Foliendeckel 6 ist ein mit einem Verschluss versehenes Ausgießelement als Verschlusseinrichtung 8 angeordnet, welches flüssigkeitsdicht mit den angrenzenden Flächen des Foliendeckels 6 und der Frontwand 1 verbunden ist.The stand-up pouch shown in the figures consists in its basic structure of a front wall 1 and a rear wall 2, which are connected at their longitudinal edges 3 by sealing seams 4, and an inwardly folded Foil bottom 5 and a likewise folded inward Foliendeckel 6. The front wall 1 and the Foliendeckel 6 are connected by a transverse seam 7. In the connecting region between the front wall 1 and the foil lid 6, a pouring element provided with a closure is arranged as a closure device 8, which is connected in a liquid-tight manner to the adjacent surfaces of the foil lid 6 and the front wall 1.

Gemäß der Darstellung in Fig. 2 ist an der Rückwand 2 des Standbeutels ein Folientragegriff 9 befestigt, welcher den in Fig. 5 dargestellten Aufbau aufweist. Der Folientragegriff 9 liegt innerhalb der Außenkontur des Standbeutels. Er ist an der beutelinnenseitigen Fläche der Rückwand 2 befestigt und durch eine Grifföffnung 10 in der Rückwand 2 zugänglich. Die Grifföffnung 10 ist flüssigkeitsdicht durch ein Folienblatt 11 verschlossen, welches an der Rückseite des Folientragegriffes 9 durch eine die Grifföffnung umgebende Siegelnaht 12 mit der Beutelinnenfläche verbunden ist. Der Darstellung in Fig. 2 ist zu entnehmen, dass die Grifföffnung 10 durch einen heraustrennbaren Folienabschnitt 13 der Rückwand abgedeckt sein kann.As shown in Fig. 2 is attached to the rear wall 2 of the bag a film bag handle 9, which the in Fig. 5 having shown construction. The film carrier handle 9 lies within the outer contour of the bag. It is attached to the bag inside surface of the rear wall 2 and accessible through a handle opening 10 in the rear wall 2. The handle opening 10 is liquid-tightly closed by a foil sheet 11, which is connected to the rear side of the foil-holding handle 9 by a sealing seam 12 surrounding the handle opening with the inner surface of the bag. The representation in Fig. 2 It can be seen that the handle opening 10 may be covered by a detachable film section 13 of the rear wall.

Die in Fig. 5 dargestellte Einzelteilzeichnung des Folientragegriffes 9 zeigt, dass der Folientragegriff 9 eine aus einem Folienstreifen bestehende Schlaufe 14 aufweist, die ein Trägerblatt 15 umgreift. Das Trägerblatt 15 steht an beiden Seiten der Schlaufe 14 über und ist an den überstehenden Enden durch eine Siegelung 16 an dem rückseitigen Folienblatt 11 befestigt. Es kann zusätzlich oder alternativ auch unmittelbar an der Beutelinnenfläche angesiegelt werden.In the Fig. 5 illustrated individual drawing of the foil-carrying handle 9 shows that the foil-holding handle 9 has a loop consisting of a film strip 14, which surrounds a carrier sheet 15. The carrier sheet 15 protrudes on both sides of the loop 14 and is secured to the overhanging ends by a seal 16 on the rear side foil sheet 11. It may additionally or alternatively also be sealed directly on the inner surface of the bag.

Die Frontwand 1, die Rückwand 2, der Folienboden 5 und der Foliendeckel 6 sind durch Falten einer flächigen Materialbahn geformt. Dabei sind die Frontwand 1 und der Foliendeckel 6 durch eine Siegelnaht 7 verbunden, welche die gefaltete Materialbahn schlauchförmig schließt und eine Kante des Standbeutels bildet. Auch die Faltkanten zwischen dem Folienboden 5 und den Folienflächen der Frontwand und Rückwand sowie die Faltkanten zwischen dem Foliendeckel 6 und den Folienflächen der Frontwand und Rückwand sind durch Siegelnähte, so genannte Blindsiegelnähte 17, verstärkt. Die Blindsiegelnähte 17 haben keine Dichtungsfunktion und dienen ausschließlich der Verstärkung bzw. Versteifung des Standbeutels. In den Beutelecken sind ferner diagonale Siegelnähte 18 vorgesehen, die sich von den Rändern des Folienbodens 5 oder des Foliendeckels 6 jeweils bis zu den Längskanten 3 des Beutels erstrecken. Sie verbinden jeweils die Frontwand 1 oder Rückwand 2 mit einer benachbarten Flanke des Folienbodens 5 oder Foliendeckels 6.The front wall 1, the rear wall 2, the film bottom 5 and the Foliendeckel 6 are formed by folding a flat material web. In this case, the front wall 1 and the film lid 6 are connected by a sealed seam 7, which closes the folded material web tubular and an edge of the bag forms. The folded edges between the foil bottom 5 and the foil surfaces of the front wall and rear wall and the folded edges between the foil lid 6 and the foil surfaces of the front wall and back wall are reinforced by sealing seams, so-called blind seal seams 17. The blind seal seams 17 have no sealing function and serve exclusively to reinforce or stiffen the bag. Diagonal sealing seams 18, which extend from the edges of the foil bottom 5 or the foil lid 6 to the longitudinal edges 3 of the pouch, are also provided in the pouch corners. They each connect the front wall 1 or rear wall 2 with an adjacent flank of the foil bottom 5 or foil lid 6.

Die Fig. 6 zeigt die Handhabung eines als Verpackung für Flüssigkeiten verwendeten Standbeutels beim Ausgießen des Füllgutes. Durch die Anordnung des Folientragegriffes 9 an der Rückwand 2 des Standbeutels wird erreicht, dass die Verpackung beim Ausgießen des Füllgutes stets so gehalten wird, dass die Verschlusseinrichtung 8 an der tiefsten Stelle liegt und eine vollständige Entleerung der Verpackung problemlos möglich ist. Im Ausführungsbeispiel ist die Verschlusseinrichtung 8 in Form eines Ausgießelementes etwa auf der Mitte des den Foliendeckel 6 begrenzenden Randes angeordnet. Auch außermittige Anordnungen sind ohne weiteres möglich. Ebenso kann der Folientragegriff 9 parallel oder quer zu den Längskanten 3 ausgerichtet werden.The Fig. 6 shows the handling of a bag used as packaging for liquids when pouring the contents. The arrangement of the film carrier handle 9 on the rear wall 2 of the bag is achieved that the packaging is always kept during pouring of the contents so that the closure device 8 is located at the lowest point and a complete emptying of the packaging is easily possible. In the exemplary embodiment, the closure device 8 in the form of a pouring element is arranged approximately at the center of the edge bounding the foil lid 6. Even off-center arrangements are readily possible. Likewise, the film carrier handle 9 can be aligned parallel or transverse to the longitudinal edges 3.

Die Fig. 7 zeigt ein Verfahren zur Herstellung der Standbeutel. Auf einer ebenen Folienbahn 19 werden in vorgegebenen Abständen Folientragegriffe 9 so befestigt, dass die Folientragegriffe 9 nach Umfalten der Folienbahn 19 an einer Folienfläche positioniert sind, die eine Rückwand 2 oder einen nach innen gefalteten Folienboden 5 der Standbeutel bildet. Die Folientragegriffe 9 sind vorgefertigte Elemente und weisen beispielsweise den in Fig. 5 dargestellten Aufbau auf. Durch Falten wird die Folienbahn 19 anschließend in einen flachgelegten Seitenfaltenschlauch 20 umgeformt, der an einer Längsseite zwischen einer V-förmig eingelegten Falte und einer die Frontwand 1 der Standbeutel bildenden Fläche 21 noch offen ist. An seiner offenen Längsseite 22 wird der Seitenfaltenschlauch 20 mit einer Längssiegelnaht 23, welche bei dem fertigen Standbeutel der Quersiegelnaht 7 entspricht, geschlossen. Die Längssiegelnaht 23 ist in vorgegebenen Abständen unterbrochen und gibt dadurch Öffnungen 24 zum Einsetzen von Ausgießelementen 8 frei. In einem weiteren Verfahrensschritt werden Ausgießelemente 8 in die Öffnungen 24 in der Längssiegelnaht 23 eingesetzt und mit der Folienbahn 19 flüssigkeitsdicht verbunden. Schließlich werden die untere und obere Folienfläche des flachgelegten Seitenfaltenschlauches 20 mit Quersiegelnähten 25 verbunden. In einem letzten Verfahrensschritt werden von dem Seitenfaltenschlauch 20 Standbeutel abgetrennt, deren Längskanten von den Quersiegelnähten 25 geformt worden sind.The Fig. 7 shows a method for producing the stand-up pouch. On a flat foil web 19, foil carrier handles 9 are fastened at predetermined intervals such that the foil tundishes 9 are positioned on a foil surface after folding over the foil web 19, which forms a back wall 2 or an inwardly folded foil bottom 5 of the stand-up pouches. The foil carrier handles 9 are prefabricated elements and have, for example, the in Fig. 5 shown construction. By folding the film web 19 is then laid flat Formed gusseted tube 20, which is still open on a longitudinal side between a V-shaped inserted fold and the front wall 1 of the stand-up bag forming surface 21. On its open longitudinal side 22, the gusseted tube 20 is closed with a longitudinal sealing seam 23, which corresponds to the transverse seal seam 7 in the finished stand-up pouch. The longitudinal sealing seam 23 is interrupted at predetermined intervals and thereby releases openings 24 for inserting pouring elements 8. In a further method step, pouring elements 8 are inserted into the openings 24 in the longitudinal sealing seam 23 and connected to the film web 19 in a liquid-tight manner. Finally, the lower and upper foil surfaces of the flattened gusseted tube 20 are connected to transverse sealing sutures 25. In a last method step 20 stand bags are separated from the gusseted tube, whose longitudinal edges have been formed by the transverse sealing seams 25.

Der Darstellung in Fig. 7 entnimmt man auch, dass in der Folienbahn 19 Grifföffnungen 10 für die Folientragegriffe 9 vorbereitet werden und dass die Folientragegriffe 9 auf der Seite der Folienbahn 19 befestigt werden, die nach dem Umfalten der Folienbahn 19 die Beutelinnenseite bildet.The representation in Fig. 7 If one also removes that in the film web 19 handle openings 10 are prepared for the foil tuck grips 9 and that the foil tuck grips 9 are fixed on the side of the film web 19, which forms the inner side of the bag after folding the film web 19.

Claims (13)

  1. A stand-up pouch of a heat-sealable plastic film, in particular for liquid content, with
    a front wall (1) and a rear wall (2) connected with each other by sealing seams (4) on their longitudinal edges (3),
    a film floor (5) folded inwards and
    a film lid (6) folded inwards,
    wherein the front wall (1) and the film lid (6) are connected by a transverse sealing seam (7) and wherein a closure device (8) is arranged in the connection area between the front wall (1) and the film lid (6), the closure device (8) being connected with the adjacent surfaces of the film lid (6) and the front wall (1) in a liquid-tight manner, and wherein the closure device (8) is a pouring-out element equipped with a closure, characterised in that a film carrying handle (9) is arranged approximately centrally on the rear wall (2).
  2. A stand-up pouch according to claim 1, characterised in that the film carrying handle (9) lies within the outer contour of the stand-up pouch.
  3. The stand-up pouch according to claim 1 or 2, characterised in that the film carrying handle (9) is fastened to the pouch inside surface of the rear wall (2) and accessible through a handle opening (10) in the rear wall (2), and in that the handle opening (10) is closed in a liquid-tight manner by a film leaf (11), the film leaf being connected by a sealing seam (12) surrounding the handle opening (10) with the inside surface of the pouch on the rear side of the film carrying handle (9).
  4. The stand-up pouch according to claim 2, characterised in that the handle opening (10) is closed by a detachable film section (13) of the rear wall (2).
  5. The stand-up pouch according to claim 2 or 3, characterised in that the film carrying handle (9) comprises a strap (14) consisting of a film strip encompassing a carrier leaf (15), and in that the carrier leaf (15) which extends past the strap (14) on both sides thereof is fastened to the rearside film leaf (11) and/or the inside surface of the pouch.
  6. The stand-up pouch according to claim 1, characterised in that the film carrying handle (9') comprises ends which are thermally connected with a film leaf through openings in the pouch casing, which film leaf is fastened with sealing seams on the inside surface of the pouch and closes the openings in a liquid-tight manner.
  7. The stand-up pouch according to claim 1, characterised in that a reinforcement leaf is sealed onto the inside surface of the pouch in the area of the film handle (9), wherein a grip strap of the film handle (9) is formed of a section of film casing and reinforcement leaf, limited on the edges by two slits, and wherein a closure leaf covers the opening formed by the grip strap on the inside surface of the pouch.
  8. The stand-up pouch according to one of claims 1 to 7, characterised in that the front wall (1), the rear wall (2), the film floor (5) and the film lid (6) are formed by folding a flat material web, and in that the front wall (1) and the film lid (6) are connected by a sealing seam, which closes the folded material web like a tube and forms one edge of the stand-up pouch.
  9. The stand-up pouch according to claim 8, characterised in that the folded edges between the film floor (5) and the film surfaces of the front wall (1) and rear wall (2) as well as the folded edges between the film lid (6) and the film surfaces of the front wall (1) and rear wall (2) are reinforced by blind sealing seams (17).
  10. The stand-up pouch according to one of claims 1 to 9, characterised in that diagonal sealing seams (18) are provided in the corners of the pouch, which respectively extend from the rims of the film floor (5) or the film lid (6) to the longitudinal edges (3) of the pouch and which respectively connect the front wall (1) or rear wall (2) with an adjacent flank of the film floor (5) or film lid (6).
  11. The stand-up pouch according to one of claims 1 to 10, characterised in that the film floor (5) has a larger width than the film lid (6).
  12. A method for manufacturing a stand-up pouch according to one of claims 1 to 11,
    wherein film carrying handles (9) are fastened at predetermined distances on a flat film web (19) such that the film carrying handles (9) after folding-over the film web (19) are positioned on a film surface which forms a rear wall (2) of the stand-up pouches,
    wherein the film web (19) is reformed by folding to form a laid-flat side-fold tube (20), which is still open on one longitudinal side (22) between a V-shaped laid-in fold and a surface (21) forming the front wall of the stand-up pouches,
    wherein the side-fold tube (20) on its open longitudinal side (22) is closed with a longitudinal sealing seam (23) which is interrupted at predetermined distances, thereby freeing openings for fitting closure devices (8),
    wherein the closure devices (8) are fitted into the openings (24) in the longitudinal sealing seam (23) and subsequently connected with the film web (19) in a liquid-tight manner,
    wherein the lower and upper film surfaces of the laid-flat side-fold tube (20) are connected with transverse sealing seams (25) and
    wherein stand-up pouches are separated from the side-fold tube (20), the longitudinal edges of which are formed by the transverse sealing seams (25).
  13. The method according to claim 12, characterised in that handle openings (10) for the film carrying handles (9) are prepared in the film web (19), and in that the film carrying handles (9) are fastened on that side of the film web (19) which after folding the film web (19) over, forms the inside of the pouch.
EP09012196A 2009-09-25 2009-09-25 Stand bag made of a heat sealable plastic film and method for its manufacture Active EP2301859B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP09012196A EP2301859B1 (en) 2009-09-25 2009-09-25 Stand bag made of a heat sealable plastic film and method for its manufacture
PL09012196T PL2301859T3 (en) 2009-09-25 2009-09-25 Stand bag made of a heat sealable plastic film and method for its manufacture
ES09012196T ES2413191T3 (en) 2009-09-25 2009-09-25 Flat bottom bag formed of a plastic sheet suitable for heat sealing and manufacturing process
US12/887,130 US8414188B2 (en) 2009-09-25 2010-09-21 Stand-up film bag and method of making same
CA2715240A CA2715240C (en) 2009-09-25 2010-09-23 Stand-up film bag and method of making same
RU2010139530/12A RU2533351C2 (en) 2009-09-25 2010-09-24 Standing packet of heat sealable synthetic film and method of its manufacturing
JP2010213894A JP2011068412A (en) 2009-09-25 2010-09-24 Upstanding bag and method for manufacturing upstanding bag
MX2010010459A MX336084B (en) 2009-09-25 2010-09-24 Stand bag made of a heat sealable plastic film and method for its manufacture.
CN201010546219.3A CN102030134B (en) 2009-09-25 2010-09-25 Stand-up film bag and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09012196A EP2301859B1 (en) 2009-09-25 2009-09-25 Stand bag made of a heat sealable plastic film and method for its manufacture

Publications (2)

Publication Number Publication Date
EP2301859A1 EP2301859A1 (en) 2011-03-30
EP2301859B1 true EP2301859B1 (en) 2013-03-13

Family

ID=41667483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09012196A Active EP2301859B1 (en) 2009-09-25 2009-09-25 Stand bag made of a heat sealable plastic film and method for its manufacture

Country Status (9)

Country Link
US (1) US8414188B2 (en)
EP (1) EP2301859B1 (en)
JP (1) JP2011068412A (en)
CN (1) CN102030134B (en)
CA (1) CA2715240C (en)
ES (1) ES2413191T3 (en)
MX (1) MX336084B (en)
PL (1) PL2301859T3 (en)
RU (1) RU2533351C2 (en)

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Also Published As

Publication number Publication date
JP2011068412A (en) 2011-04-07
US8414188B2 (en) 2013-04-09
EP2301859A1 (en) 2011-03-30
RU2533351C2 (en) 2014-11-20
RU2010139530A (en) 2012-03-27
CA2715240C (en) 2017-11-28
CA2715240A1 (en) 2011-03-25
ES2413191T3 (en) 2013-07-15
PL2301859T3 (en) 2013-08-30
MX336084B (en) 2016-01-05
MX2010010459A (en) 2011-03-24
CN102030134A (en) 2011-04-27
US20110229060A1 (en) 2011-09-22
CN102030134B (en) 2015-04-22

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