EP3122639B1 - Verfahren zur herstellung eines folienschlauchbeutels und vertikale form-, füll- und verschliessmaschine zur implementierung des verfahrens - Google Patents

Verfahren zur herstellung eines folienschlauchbeutels und vertikale form-, füll- und verschliessmaschine zur implementierung des verfahrens Download PDF

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Publication number
EP3122639B1
EP3122639B1 EP15719592.6A EP15719592A EP3122639B1 EP 3122639 B1 EP3122639 B1 EP 3122639B1 EP 15719592 A EP15719592 A EP 15719592A EP 3122639 B1 EP3122639 B1 EP 3122639B1
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EP
European Patent Office
Prior art keywords
bag
longitudinal
film
foldings
production
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
EP15719592.6A
Other languages
English (en)
French (fr)
Other versions
EP3122639A1 (de
Inventor
Miloslav Zajic
Frantisek SMÍD
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.)
Velteko SRO
Original Assignee
Velteko SRO
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 Velteko SRO filed Critical Velteko SRO
Publication of EP3122639A1 publication Critical patent/EP3122639A1/de
Application granted granted Critical
Publication of EP3122639B1 publication Critical patent/EP3122639B1/de
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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/22—Forming shoulders; Tube formers
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/02—Applying adhesives or sealing liquids
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • 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
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • 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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/12—Creating additional longitudinal welds on horizontal or vertical form fill seal [FFS] machines for stiffening packages or for creating package edges

Definitions

  • the proposed invention concerns a method for the production of a film bag, a film bag with a flat bottom, in particular, with longitudinally sealed reinforcing foldings, and the packaging machine intended for the production of this film bag.
  • Assorted types of film bags have been available, which are used to pack small wares and food as namely spices, sweets, etc. It is a question of a film tube bag with a folded flat quadrilateral bottom and with welded longitudinal foldings, for instance.
  • the bottom comprises a lower cross seam.
  • the bag is equipped with a plastic zipper closure in the upper part of its inner body, said zipper comprising two parts.
  • the zipper closure represents a secondary closure.
  • the primary closure is formed by an upper cross seam and is situated above the secondary closure.
  • a user removes the primary closure formed as an upper cross seam to open such a bag. Then, he opens the bag in the way to draw out mutually connected parts of the zipper closure from each other.
  • the user has a disposal of a round hole to enter the bag at maximum, the space of which results merely from the openable length of the closed zipper closure - the closure has both its parts mutually welded at the ends for the reason of its easier locking, in principle.
  • the method for production of such a bag is performed so that the packing film is wound up to form a film tube on which the longitudinal foldings are shaped and sealed. Thereafter, the film tube is insulated by the lower cross seam in its bottom part, whereas the folded bottom of the bag is formed simultaneously.
  • the two-piece zipper closure is applied to the bag in the following way.
  • both parts of the zipper closure which are mutually inserted into each other, are welded by its single part onto the packing film, which shall subsequently be shaped as a film tube with longitudinal foldings that are sealed, thereat.
  • the zipper closure must be placed on the packing film in order to enable its positioning on the resulting bag on the inner surface of the front, or rear side of the bag. Therefore, the zipper closure is shorter a bit than the width of the bag side to which it is applied to, in this case.
  • a document US 2002/0046548 describes a method and an apparatus for making gussetted package.
  • the unprocessed web used for making such a package is equipped with a strip which forms all-round secondary closure in finished package later on.
  • the strip since the strip is fixed on flat unprocessed web, the package has no reinforcing longitudinal foldings, thus the package has a vague shape and is non-standing.
  • the method for the film tube bag production is the subject matter of the invention. This method comprises the following operations:
  • the secondary closure is composed of a one-piece zipper closure in the convenient embodiment of the invention, in particular.
  • the secondary closure can be composed of a double-sided adhesive tape in another convenient embodiment.
  • the side of the adhesive tape glued on the inner side of the bag indicates a higher binding property than the other side.
  • the adhesive layer situated on the side of the strip facing inward of the bag enables to separate the strips repeatedly and connect them again, and thereby the sides of the bag, as well.
  • the secondary closure is composed of a spread of a permanent adhesive in another convenient embodiment of the invention. That enables to separate the inner sides of the bag repeatedly and connect them again at the point of the secondary closure.
  • the fourth longitudinal folding is formed by a latterly formed longitudinal seam. It means that three corners of the bag are equipped with longitudinal folding and the fourth corner of the bag with the longitudinal seam. Thanks to this fact, the longitudinal seam does not have to be positioned in a certain (in the rear side, generally) side of the bag.
  • the machine comprises (in the direction of the packing film movement) the following: a device for packing film unwinding, which is followed by the device for shaping and fixing longitudinal folding on the packing film. It is followed by a device for an application of the one-piece secondary closure on the packing film with formed longitudinal foldings. Thereinafter, a forming collar, a filling tube as well as a longitudinal sealing jaw to manufacture the longitudinal seam follow. There is a device for the packing film feed leading through the forming collar in the space below the forming collar. Furthermore, it is followed by a device enabling to form the flat bottom of the bag, and lateral sealing and separating jaws to manufacture the cross seam, and to separate the filled bag.
  • the packing film runs through all mentioned components of the machine where it is gradually processed in the form of a filled film tube bag closed by the primary and secondary closures.
  • a stable bag is elaborated thanks to the previously mentioned production method including advantages manufactured by the described machine, equipped with the secondary closure, which has a disposal of a large opening to access the inwards of the bag.
  • the area of such an opening stems from the circumference of the whole bag and is on order of tens of percentages higher than at the application of a common two-piece zipper closure.
  • Exemplary method for the film tube bag 1 production comprises the following sequential consecutive operations:
  • the vertical form fill seal packaging machine used for the above described method for the film tube bag production comprises the device 11 for the unwinding the packing film 8 followed by the device 12 for welding longitudinal foldings 6 on the packing film 8 .
  • another device 17 shall be integrated in the machine with the aim to apply a one-piece secondary all-round closure 5 on the packing film 8 with formed longitudinal foldings 6 .
  • FIG. 1 Exemplary embodiment shall be depicted in Fig. 1 and Fig. 2 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (6)

  1. Methode zur Herstellung eines Beutels aus einem Folienschlauch, bestehend aus den folgenden Operationen:
    - Formung und Festigung der Längsfalze (6) an der Außenseite (20) der Verpackungsfolie (8),
    - Formung der Verpackungsfolie (8) mit parallelen Längsfalzen (6) in Form eines Folienschlauches,
    - Schließen des Folienschlauches mit einer Längsverbindung (7) parallel mit den Längsfalzen (6),
    - Herausbildung eines gefalteten flachen viereckigen Bodens (3) mit unterer Kreuzverbindung (4),
    - Füllen des Beutels (1) mit der Verpackungsware,
    - Formung der oberen Kreuzverbindung (2) an der Seite des Beutels (1), welche an der gegenüberliegenden Seite zum gefalteten viereckigen Boden (3) liegt,
    - Trennung des gefüllten Beutels (1) vom Folienschlauch
    die sich dadurch auszeichnet, dass
    nach Herausbildung und Festigung der Längsfalze (6) ein Stück sekundärer Verschluss um den gesamten Umfang (5) an der Innenseite (21) der Verpackungsfolie (8) befestigt wird, dessen Längsachse senkrecht zur Längsachse des Längsfalzes (6) ist, was noch vor der Ausformung der Verpackungsfolie (8) zu einem Schlauch ausgeführt wird, wobei der sekundäre Verschluss (5) so platziert wird, dass er sich am fertigen Beutel unter der oberen Kreuzverbindung (2) befindet, wo die Länge des verwendeten sekundären Verschlusses um den gesamten Umfang (5) dem Maß des inneren Umfangs des Beutels (1) entspricht.
  2. Methode der Herstellung von Beuteln aus Folienschlauch nach Anspruch 1, die sich dadurch auszeichnet, dass der sekundäre Verschluss um den gesamten Umfang (5) aus einem Stück verschlossen mit einem Reißverschluss gebildet wird.
  3. Methode der Herstellung von Beuteln aus Folienschlauch nach dem Anspruch 1, die sich dadurch auszeichnet, dass der sekundäre Verschluss um den gesamten Umfang (5) mit einem doppelseitigen Klebeband realisiert wird, wo die Seite des Bandes, das an die Innenseite des Beutels (1) angeklebt wird, eine höhere Klebekraft als die zweite Seite aufweist.
  4. Methode der Herstellung von Beuteln aus Folienschlauch nach dem Anspruch 1, die sich dadurch auszeichnet, dass der sekundäre Verschluss um den gesamten Umfang (5) durch Ausbreitung eines dauerhaften Klebstoffs herausgebildet wird.
  5. Methode der Herstellung von Beuteln aus Folienschlauch nach den vorhergehenden Ansprüchen, die sich dadurch auszeichnet, dass die drei Längsfalze (6) sich schon primär herausbilden, und die vier Längsknicke (6) sich mit Längsverbindungen (7) herausbilden, die erst danach erzeugt werden.
  6. Die Verpackungsmaschine mit vertikaler Form, Erfüllung der Verbindungen mit dem Vorteil, der zur Methode der Herstellung von Beuteln aus einem Folienschlauch verwendbar ist, nach den Ansprüchen 1 bis 5, umfasst auch eine Vorrichtung (11) für das Auspacken der Verpackungsfolie (8), wobei darin auch eine Vorrichtung (12) eingeschlossen ist, platziert hinter dieser, die zur Formung und Festigung der Längsfalze (6) an der Verpackungsfolie (8) dient, und ein Formkragen (13), ein Füllrohr (14) und Längsversiegelungsbacken (15), einsetzbar für die Bildung der Längsversiegelung (7), und eine Vorrichtung (19) für die Zuführung des Verpackungsfilms (8) durch einen Formkragen (13), anschließend eine Vorrichtung (18) zur Herausbildung eines flachen Bodens (3) am Beutel (1) wie auch seitlicher Verbindungen und noch eines weiteren Backens (16) zur Herausbildung von Kreuzverbindungen (2, 4) und zur Trennung des gefüllten Beutels (1), die sich dadurch auszeichnet, dass sich in diesem auch eine Vorrichtung (17) für das Einsetzen eines Stücks sekundären Verschlusses um den gesamten Umfang (5) an der Innenseite (21) der Verpackungsfolie (8) mit Hilfe geformter Längsfalze (6), platziert im Inneren des Abstands zwischen dieser Vorrichtung (12), zum Zwecke der Formung und Festigung der Längsfalze (6) und dem Formkragen (13) befindet.
EP15719592.6A 2014-03-27 2015-03-25 Verfahren zur herstellung eines folienschlauchbeutels und vertikale form-, füll- und verschliessmaschine zur implementierung des verfahrens Active EP3122639B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2014-199A CZ2014199A3 (cs) 2014-03-27 2014-03-27 Způsob výroby foliového hadicového sáčku a vertikální hadicový balicí stroj k provádění tohoto způsobu
PCT/CZ2015/000025 WO2015144100A1 (en) 2014-03-27 2015-03-25 Method for the production of the film tube bag and the vertical form fill seal packaging machine to implement the method

Publications (2)

Publication Number Publication Date
EP3122639A1 EP3122639A1 (de) 2017-02-01
EP3122639B1 true EP3122639B1 (de) 2019-06-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15719592.6A Active EP3122639B1 (de) 2014-03-27 2015-03-25 Verfahren zur herstellung eines folienschlauchbeutels und vertikale form-, füll- und verschliessmaschine zur implementierung des verfahrens

Country Status (4)

Country Link
US (1) US20170113821A1 (de)
EP (1) EP3122639B1 (de)
CZ (1) CZ2014199A3 (de)
WO (1) WO2015144100A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213087B4 (de) * 2016-07-18 2018-07-05 Rovema Gmbh Verfahren zum Betrieb einer Schlauchbeutelmaschine zur Herstellung von Beuteln mit einer Boden-Quernaht und einer davon unterschiedlichen Kopf-Quernaht

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US20020046548A1 (en) * 2000-10-23 2002-04-25 Forman Harold M. Method and apparatus for making gussetted package

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Also Published As

Publication number Publication date
EP3122639A1 (de) 2017-02-01
CZ305197B6 (cs) 2015-06-03
WO2015144100A1 (en) 2015-10-01
CZ2014199A3 (cs) 2015-06-03
US20170113821A1 (en) 2017-04-27

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