EP1077874B1 - Device for producing re-sealable tubular packaging bags - Google Patents

Device for producing re-sealable tubular packaging bags Download PDF

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Publication number
EP1077874B1
EP1077874B1 EP99910108A EP99910108A EP1077874B1 EP 1077874 B1 EP1077874 B1 EP 1077874B1 EP 99910108 A EP99910108 A EP 99910108A EP 99910108 A EP99910108 A EP 99910108A EP 1077874 B1 EP1077874 B1 EP 1077874B1
Authority
EP
European Patent Office
Prior art keywords
seam
material web
sheet
transverse
fastening
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.)
Expired - Lifetime
Application number
EP99910108A
Other languages
German (de)
French (fr)
Other versions
EP1077874A1 (en
Inventor
Antwan Heijnen
Peter Slenders
Mark Smeets
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1077874A1 publication Critical patent/EP1077874A1/en
Application granted granted Critical
Publication of EP1077874B1 publication Critical patent/EP1077874B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8131—Making bags having interengaging closure elements
    • B31B70/8133—Applying the closure elements in the cross direction

Definitions

  • the invention relates to a device for producing reclosable tubular bags after the Preamble of claim 1, as for example from the EP 0 410 126 A1 has become known.
  • a device for producing reclosable tubular bags after the Preamble of claim 1 as for example from the EP 0 410 126 A1 has become known.
  • the clockwise working known device is during the Standstill phase of the film feed Sealing tape section on the flat top of the film web attached to. Then the flat film web is inserted Hose shaped.
  • the fastener tape section over the entire surface Sealed inside of the hose.
  • the fact that the Sealing tape section during the standstill phase of the Foil feed must be fed and attached is the Performance of the known device is limited because the Cycle time from the time required to attach the Closure tape section depends. Furthermore, one continuous operation with the known device not possible.
  • the inventive device for producing reclosable tubular bags with the Features of claim 1 has the advantage that it enables particularly high performance.
  • a synchronous movement of the transverse seam sealing device and the device for attaching and attaching the Closure tape can be achieved if the two Facilities are coupled together.
  • known per se Tubular bag pack 1 has an upper transverse seam 2, one lower transverse seam 3 and one in the middle of a side surface running longitudinal seam 4. Slightly below the top one Cross seam 2 is a section 5 of a reclosable Band 6 arranged.
  • the band 6 has two positive interacting parts 7, 8, of which one part 7 in two areas 11, 12 with one inside 13, and the other part 8 with an area 14 with the opposite inner side 15 of the tubular bag pack 1 is connected by sealing.
  • the upper transverse seam 2 is preferred as so-called peel seam formed.
  • it would be however also conceivable between the upper transverse seam 2 and the Volume 6 form a weakened area so that the corresponding upper section of the tubular bag pack 1 is easy to tear open or tear off.
  • tubular bag pack 1 takes place schematically on one in Figures 3 and 4 shown, continuously working vertical Tubular bag machine 17.
  • the tubular bag machine 17 has for forming the tubular bag packs 1 from one Packing material web 18 has a shaped shoulder 19, which in the usual way is connected to a shaped tube 20.
  • Below the The shaped shoulder 19 is on the shaped tube 20 Longitudinal seam sealing device 21 for forming the longitudinal seam 4 arranged.
  • Is located below the shaped tube 20 still an up and down movable cross seam jaw housing 22 with two cross-seam sealing jaws 23 which can be moved relative to one another, 24.
  • the transverse seam sealing jaws 23, 24 serve to form the Cross seams 2, 3, areas 11, 14 of the Band 6 against the inside 13, 15 of the Tubular bag packs 1 are sealed over the entire surface.
  • the stock roll shown are used in addition to those in system contact preferred bands 25 located with the shaped tube 20 continuously driven preferred rollers 26, 27 and Deflection pulleys 28.
  • a horizontally movable Feed roller 29 in the inlet area to the shape shoulder 19 provided that a format adjustment with respect to different Lengths of the tubular bag packs 1 allows.
  • the tubular bag machine 17 has on the packaging material web 18 a special device 30.
  • the in the area of a horizontal feed path of the Packing material tape 18 arranged device 30 has a a stepper motor 31 driven, stationary Roll pair 32, 33 on.
  • the side and above the Packing material strip 18 arranged roller pair 32, 33 pulls one at a time in accordance with the width of the bag 1 corresponding section 5 of volume 6 of one Supply roll 35 from. That of the roller pair 32, 33 pulled tape 6 is from a guide cassette 36th immediately above the packaging material web 18 and aligned, the longitudinal direction of the band 6 perpendicular to the packaging material web 18 and its feed direction 37.
  • the guide cassette 36 consists of two elements 38, 39, between which a separator 40 for cutting off the Section 5 of the tape 6 is arranged.
  • Section 5 is placed over the packaging material web 18 that on both sides section 5 each with a packaging material web area 41 a width of slightly longer than L / 4 (depending on the Bag shape) remains.
  • the element 39 is designed such that the area 12 of part 7 the element 39 on the side facing the shaped shoulder 19 protrudes laterally.
  • a synchronous horizontal movement of the two Sealing jaws 44, 45 with the continuous To cause feed movement of the packaging material web 18 is Fastening device 43 with the transverse seam jaw housing 22 coupled.
  • the coupling takes place, for example, by means of a Timing belt 46, which is guided over a deflection roller 47.
  • the toothed belt 46 causes the sealing jaws 44, 45 at a downward movement of the transverse seam sealing jaws 23, 24, which with the feed rate from the Packing material web 18 molded hose is carried out with the same speed and in sync with that of the Guide cassette 36 facing end position in its other Bring end position.
  • the tubular bag machine 17 described above works as follows: The of the preferred rollers 26, 27 continuously pulled-off packaging material web 18 passes over the deflection rollers 28 and the feed roller 29 to the mold shoulder 19.
  • the mold shoulder 19 places the two edge-side packaging material web areas 41 forming a hose against each other, the Packaging material web areas 41 in the area of the longitudinal seam 4 overlap.
  • the overlapping area is on the further
  • the conveying path of the packaging material web 18 to the longitudinal seam 4 is sealed.
  • the transverse seam sealing jaws are located below the shaped tube 20 23, 24 move against each other if that Cross seam jaw housing 22 moved down.
  • sections 5 of volume 6 to the Packing material web 18 takes place in two steps: during the above mentioned downward and upward movement of the Cross seam jaw housing 22 is driven by stepper motor 31 each have a section 5 of length L in the element 39 of the Guide cassette 36 inserted by the Separating device 40 is separated from the belt 6. Essential is that section 5 is separated from tape 6 if the fastener 43 in its the Guide cassette 36 facing end position. Now the two sealing jaws 44, 45 against the film web 18 move so that the area 7 of section 5 in System contact with the sealing jaw 44 and the top of the Film web 18 arrives. This takes place immediately in the Wait when the cross seam jaw housing 22 den top reversal point has passed.
  • the Fastening device 43 In the subsequent Downward movement of the cross seam jaw housing 22 is the Fastening device 43 by means of the toothed belt 46 in the Feed direction 37 moves, the against each other driven sealing jaws 44, 45 section 5 from the Pull out element 39 of guide cassette 36. While this movement of the fastening device 43 is the Area 7 of section 5 under the influence of heat and Pressure sealed against the top of the packaging material web. The Sealing process is before reaching the lower turning point of the transverse seam jaw housing 22 ended, whereupon the two Sealing jaws 44, 45 can be opened again. In the subsequent upward movement of the cross seam jaw housing 22 the fastening device 43 becomes tension spring 48 back into the end position facing the guide cassette 36 brought back, whereupon the operations as above repeat as described.

Abstract

An apparatus for producing re-closable bag packages has a device for delivering and securing a portion of a closure strip on a film web. To make greater output as well as continuous operation of the apparatus possible, it is proposed that the device be equipped with a horizontally movable securing device, which tacks the portions to a moving film web.

Description

Stand der TechnikState of the art

Die Erfindung betrifft eine Vorrichtung zum Herstellen von wiederverschließbaren Schlauchbeutelpackungen nach dem Oberbegriff des Anspruchs 1, wie sie beispielsweise aus der EP 0 410 126 A1 bekanntgeworden ist. Bei der taktweise arbeitenden bekannten Vorrichtung wird während der Stillstandsphase des Folienvorschubs ein Verschlußbandabschnitt auf die ebene Folienbahnoberseite angeheftet. Anschließend wird aus der ebenen Folienbahn ein Schlauch geformt. Bei der Bildung der Quernähte der aus dem Schlauch gebildeten Schlauchbeutelpackungen wird gleichzeitig der Verschlußbandabschnitt vollflächig mit der Innenseite des Schlauches gesiegelt. Dadurch, daß der Verschlußbandabschnitt während der Stillstandsphase des Folienvorschubs zugeführt und angebracht werden muß, ist die Leistung der bekannten Vorrichtung beschränkt, da die Taktzeit von der erforderlichen Zeit für das Anbringen des Verschlußbandsabschnitts abhängt. Ferner ist eine kontinuierliche Arbeitsweise mit der bekannten Vorrichtung nicht möglich. The invention relates to a device for producing reclosable tubular bags after the Preamble of claim 1, as for example from the EP 0 410 126 A1 has become known. At the clockwise working known device is during the Standstill phase of the film feed Sealing tape section on the flat top of the film web attached to. Then the flat film web is inserted Hose shaped. When forming the cross seams from the Tube formed tubular bag packs at the same time the fastener tape section over the entire surface Sealed inside of the hose. The fact that the Sealing tape section during the standstill phase of the Foil feed must be fed and attached is the Performance of the known device is limited because the Cycle time from the time required to attach the Closure tape section depends. Furthermore, one continuous operation with the known device not possible.

Vorteile der ErfindungAdvantages of the invention

Die erfindungsgemäße Vorrichtung zum Herstellen von wiederverschließbaren Schlauchbeutelpackungen mit den Merkmalen des Anspruchs 1 hat demgegenüber den Vorteil, daß sie eine besonders hohe Leistung ermöglicht.The inventive device for producing reclosable tubular bags with the Features of claim 1 has the advantage that it enables particularly high performance.

Weitere Vorteile und vorteilhafte Weiterbildungen der erfindungsgemäßen Vorrichtung zum Herstellen von wiederverschließbaren Schlauchbeutelpackungen ergeben sich aus den Unteransprüchen und der Beschreibung.Further advantages and advantageous developments of Device according to the invention for producing resealable tubular pouches result from the subclaims and the description.

Eine weitere Leistungssteigerung der Vorrichtung ist möglich, wenn die Vorrichtung kontinuierlich betrieben wird.Another increase in device performance is possible if the device is operated continuously.

Eine synchrone Bewegung der Quernahtsiegeleinrichtung und der Einrichtung zum Anbringen und Befestigen des Verschlußbandes läßt sich erzielen, wenn die beiden Einrichtungen miteinander gekoppelt werden.A synchronous movement of the transverse seam sealing device and the device for attaching and attaching the Closure tape can be achieved if the two Facilities are coupled together.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:

  • Figur 1 einen wiederverschließbaren Beutel in einer Vorderansicht,
  • Figur 2 einen Schnitt entlang der Linie II-II der Figur 1,
  • Figur 3 eine Vorrichtung zum Herstellen von wiederverschließbaren Schlauchbeutelpackungen in einer schematischen Seitenansicht und
  • Figur 4 eine Einrichtung zum Zuführen und Befestigen eines Verschlußbandabschnittes auf einer ebenen Folienbahn in einer perspektivischen Ansicht.
    • An embodiment of the invention is shown in the drawing and explained in more detail in the following description. Show it:
  • FIG. 1 shows a resealable bag in a front view,
  • FIG. 2 shows a section along the line II-II in FIG. 1,
  • Figure 3 shows a device for producing resealable tubular bag packs in a schematic side view and
  • Figure 4 shows a device for feeding and fastening a fastener tape section on a flat film web in a perspective view.

    • Beschreibung des AusführungsbeispielsDescription of the embodiment

    Die in den Figuren 1 und 2 dargestellte, an sich bekannte Schlauchbeutelpackung 1 weist eine obere Quernaht 2, eine untere Quernaht 3 sowie eine mittig in einer Seitenfläche verlaufende Längsnaht 4 auf. Etwas unterhalb der oberen Quernaht 2 ist ein Abschnitt 5 eines wiederverschließbaren Bandes 6 angeordnet. Das Band 6 hat zwei formschlüssig miteinander zusammenwirkende Teile 7, 8, wovon das eine Teil 7 an zwei Bereichen 11, 12 mit der einen Innenseite 13, und das andere Teil 8 mit einem Bereich 14 mit der gegenüberliegenden Innenseite 15 der Schlauchbeutelpackung 1 durch Siegelung verbunden ist. Um ein einfaches Öffnen der Schlauchbeutelpackung 1 an seiner oberen Quernaht 2 zu ermöglichen, ist die obere Quernaht 2 bevorzugt als sogenannte Peelnaht ausgebildet. Alternativ dazu wäre es jedoch auch denkbar, zwischen der oberen Quernaht 2 und dem Band 6 einen Schwächungsbereich auszubilden, so daß der entsprechende obere Abschnitt der Schlauchbeutelpackung 1 leicht auf- bzw. abreißbar ist.The shown in Figures 1 and 2, known per se Tubular bag pack 1 has an upper transverse seam 2, one lower transverse seam 3 and one in the middle of a side surface running longitudinal seam 4. Slightly below the top one Cross seam 2 is a section 5 of a reclosable Band 6 arranged. The band 6 has two positive interacting parts 7, 8, of which one part 7 in two areas 11, 12 with one inside 13, and the other part 8 with an area 14 with the opposite inner side 15 of the tubular bag pack 1 is connected by sealing. To easily open the Tubular bag pack 1 at its upper transverse seam 2 enable, the upper transverse seam 2 is preferred as so-called peel seam formed. Alternatively, it would be however also conceivable between the upper transverse seam 2 and the Volume 6 form a weakened area so that the corresponding upper section of the tubular bag pack 1 is easy to tear open or tear off.

    Das Herstellen einer derartigen Schlauchbeutelpackung 1 erfolgt auf einer in den Figuren 3 und 4 schematisch dargestellten, kontinuierlich arbeitenden vertikalen Schlauchbeutelmaschine 17. Die Schlauchbeutelmaschine 17 hat zum Formen der Schlauchbeutelpackungen 1 aus einer Packstoffbahn 18 eine Formschulter 19, die in üblicher Weise mit einem Formrohr 20 verbunden ist. Unterhalb der Formschulter 19 ist am Formrohr 20 eine Längsnahtsiegeleinrichtung 21 zum Bilden der Längsnaht 4 angeordnet. Unterhalb des Formrohrs 20 befindet sich weiterhin ein auf- und abbewegliches Quernahtbackengehäuse 22 mit zwei gegeneinander fahrbaren Quernahtsiegelbacken 23, 24. Die Quernahtsiegelbacken 23, 24 dienen zum Bilden der Quernähte 2, 3, wobei gleichzeitig die Bereiche 11, 14 des Bandes 6 gegen die Innenseite 13, 15 der Schlauchbeutelpackungen 1 vollflächig gesiegelt werden.The manufacture of such a tubular bag pack 1 takes place schematically on one in Figures 3 and 4 shown, continuously working vertical Tubular bag machine 17. The tubular bag machine 17 has for forming the tubular bag packs 1 from one Packing material web 18 has a shaped shoulder 19, which in the usual way is connected to a shaped tube 20. Below the The shaped shoulder 19 is on the shaped tube 20 Longitudinal seam sealing device 21 for forming the longitudinal seam 4 arranged. Is located below the shaped tube 20 still an up and down movable cross seam jaw housing 22 with two cross-seam sealing jaws 23 which can be moved relative to one another, 24. The transverse seam sealing jaws 23, 24 serve to form the Cross seams 2, 3, areas 11, 14 of the Band 6 against the inside 13, 15 of the Tubular bag packs 1 are sealed over the entire surface.

    Zum Zuführen der Packstoffbahn 18 von einer nicht dargestellten Vorratsrolle dienen neben den in Anlagekontakt mit dem Formrohr 20 befindlichen Vorzugsbändern 25 kontinuierlich angetriebene Vorzugsrollen 26, 27 sowie Umlenkrollen 28. Zusätzlich ist eine horizontal bewegliche Zuführrolle 29 im Einlaufbereich zur Formschulter 19 vorgesehen, die eine Formatanpassung bezüglich verschiedener Längen der Schlauchbeutelpackungen 1 ermöglicht. Zum Zuführen und Befestigen des Bandes 6 bzw. der Abschnitce 5 auf der Packstoffbahn 18 weist die Schlauchbeutelmaschine 17 eine spezielle Einrichtung 30 auf.For feeding the packaging material web 18 from one The stock roll shown are used in addition to those in system contact preferred bands 25 located with the shaped tube 20 continuously driven preferred rollers 26, 27 and Deflection pulleys 28. In addition, a horizontally movable Feed roller 29 in the inlet area to the shape shoulder 19 provided that a format adjustment with respect to different Lengths of the tubular bag packs 1 allows. To the Feeding and fastening the tape 6 or the section 5 The tubular bag machine 17 has on the packaging material web 18 a special device 30.

    Die im Bereich einer horizontalen Zuführstrecke des Packstoffbandes 18 angeordnete Einrichtung 30 weist ein von einem Schrittmotor 31 angetriebenes, ortsfestes Walzrollenpaar 32, 33 auf. Das seitlich und oberhalb des Packstoffbandes 18 angeordnete Walzrollenpaar 32, 33 zieht taktweise entsprechend der Breite der Beutel 1 jeweils einen entsprechenden Abschnitt 5 des Bandes 6 von einer Vorratsrolle 35 ab. Das von dem Walzrollenpaar 32, 33 abgezogene Band 6 wird von einer Führungscassette 36 unmittelbar oberhalb der Packstoffbahn 18 geleitet und ausgerichtet, wobei die Längsrichtung des Bandes 6 senkrecht zur Packstoffbahn 18 und deren Vorschubrichtung 37 verläuft.The in the area of a horizontal feed path of the Packing material tape 18 arranged device 30 has a a stepper motor 31 driven, stationary Roll pair 32, 33 on. The side and above the Packing material strip 18 arranged roller pair 32, 33 pulls one at a time in accordance with the width of the bag 1 corresponding section 5 of volume 6 of one Supply roll 35 from. That of the roller pair 32, 33 pulled tape 6 is from a guide cassette 36th immediately above the packaging material web 18 and aligned, the longitudinal direction of the band 6 perpendicular to the packaging material web 18 and its feed direction 37.

    Die Führungscassette 36 besteht aus zwei Elementen 38, 39, zwischen denen eine Trenneinrichtung 40 zum Abschneiden des Abschnitts 5 vom Band 6 angeordnet ist. Der Abschnitt 5 ist derart über der Packstoffbahn 18 plaziert, daß beidseitig des Abschnitts 5 jeweils ein Packstoffbahnbereich 41 mit einer Breite von etwas länger als L/4 (abhängig von der Beutelform) verbleibt. Wesentlich ist auch, daß das Element 39 derart ausgebildet ist, daß der Bereich 12 des Teiles 7 das Element 39 auf der der Formschulter 19 zugewandten Seite seitlich überragt.The guide cassette 36 consists of two elements 38, 39, between which a separator 40 for cutting off the Section 5 of the tape 6 is arranged. Section 5 is placed over the packaging material web 18 that on both sides section 5 each with a packaging material web area 41 a width of slightly longer than L / 4 (depending on the Bag shape) remains. It is also essential that the element 39 is designed such that the area 12 of part 7 the element 39 on the side facing the shaped shoulder 19 protrudes laterally.

    Auf der der Formschulter 19 zugewandten Seite der Führungscassette 36 befindet sich eine Befestigungseinrichtung 43 für den Abschnitt 5. Die horizontal hin- und herbewegliche Befestigungseinrichtung 43 weist eine schlittenartige Konstruktion mit je einem unterhalb und oberhalb der Packstoffbahn 18 angeordneten, auf- und abbeweglichen Siegelbacken 44, 45 auf. In der der Führungscassette 36 zugewandten horizontalen Endlage sind die beiden Siegelbacken 44, 45 in Deckung mit dem Bereich 12 des Abschnitts 5 angeordnet. Die andere horizontale Endlage wird beim Abschluß des Ansiegelns des Bereiches 12 auf der Packstoffbahn 18 eingenommen.On the side facing the form shoulder 19 of the Guide cassette 36 is one Fastening device 43 for section 5. Die horizontally reciprocating fastener 43 has a sled-like construction with one each arranged below and above the packaging material web 18, up and down movable sealing jaws 44, 45. In the the Guide cassette 36 are facing the horizontal end position the two sealing jaws 44, 45 coincide with the area 12 of section 5 arranged. The other horizontal end position is at the completion of sealing the area 12 on the Packing material web 18 taken.

    Um eine synchrone horizontale Bewegung der beiden Siegelbacken 44, 45 mit der kontinuierlichen Vorschubbewegung der Packstoffbahn 18 zu bewirken, ist die Befestigungseinrichtung 43 mit dem Quernahtbackengehäuse 22 gekoppelt. Die Kopplung erfolgt beispielsweise mittels eines Zahnriemens 46, der über eine Umlenkrolle 47 geführt ist. Der Zahnriemen 46 bewirkt, daß die Siegelbacken 44, 45 bei einer Abwärtsbewegung der Quernahtsiegelbacken 23, 24, welche mit der Vorschubgeschwindigkeit des aus der Packstoffbahn 18 geformten Schlauches erfolgt, mit der selben Geschwindigkeit und synchron von der der Führungscassette 36 zugewandten Endlage in ihre andere Endlage gebracht werden. Da der Zahnriemen 46 nur Zugkräfte übermittelt, ist das dem Zahnriemen 46 gegenüberliegende Ende der Befestigungseinrichtung 43 mit einer Zugfeder 48 verbunden, die die Befestigungseinrichtung 43 und somit auch die Siegelbacken 44, 45 in die der Führungscassette 36 zugeordnete Endlage zurückführen können.A synchronous horizontal movement of the two Sealing jaws 44, 45 with the continuous To cause feed movement of the packaging material web 18 is Fastening device 43 with the transverse seam jaw housing 22 coupled. The coupling takes place, for example, by means of a Timing belt 46, which is guided over a deflection roller 47. The toothed belt 46 causes the sealing jaws 44, 45 at a downward movement of the transverse seam sealing jaws 23, 24, which with the feed rate from the Packing material web 18 molded hose is carried out with the same speed and in sync with that of the Guide cassette 36 facing end position in its other Bring end position. Since the toothed belt 46 only pulls transmitted, is the toothed belt 46 opposite End of the fastening device 43 with a tension spring 48 connected, the fastening device 43 and thus also the sealing jaws 44, 45 into that of the guide cassette 36 can return assigned end position.

    Die oben beschriebene Schlauchbeutelmaschine 17 arbeitet wie folgt: Die von den Vorzugsrollen 26, 27 kontinuierlich abgezogene Packstoffbahn 18 gelangt über die Umlenkrollen 28 und die Zuführrolle 29 zur Formschulter 19. Die Formschulter 19 legt die beiden randseitigen Packstoffbahnbereiche 41 unter Bildung eines Schlauches gegeneinander, wobei die sich Packstoffbahnbereiche 41 im Bereich der Längsnaht 4 überlappen. Der überlappende Bereich wird auf dem weiteren Förderweg der Packstoffbahn 18 zur Längsnaht 4 gesiegelt. Unterhalb des Formrohres 20 werden die Quernahtsiegelbacken 23, 24 gegeneinander verfahren, wenn sich das Quernahtbackengehäuse 22 nach unten bewegt. Dann wird das Quernahtbackengehäuse 22 mit der Fördergeschwindigkeit des Schlauches in seine untere Endposition verfahren, wobei die Bildung einer oberen Quernaht 2 bei einer ersten Schlauchbeutelpackung 1, einer unteren Quernaht 3 bei einer zweiten Schlauchbeutelpackung 1 sowie das Ansiegeln der Bereiche 11, 14 des Abschnitts 5 gegen die Innenseiten 13, 15 erfolgt. Während der nach unten gerichteten Quernahtbackengehäusebewegung wird gleichzeitig das Füllgut auf an sich bekannte Weise durch ein nicht dargestelltes Füllrohr in die oben noch unverschlossene Schlauchbeutelpackung 1 eingefüllt. Sobald die beiden Quernähte 3, 4 gesiegelt sind, wird mittels einer ebenfalls nicht dargestellten Trenneinrichtung eine befüllte Schlauchbeutelpackung 1 vom Schlauch abgetrennt. Anschließend werden die Quernahtsiegelbacken 23, 24 wieder geöffnet und das Quernahtbackengehäuse 22 in seine obere Endlage zurückgebracht.The tubular bag machine 17 described above works as follows: The of the preferred rollers 26, 27 continuously pulled-off packaging material web 18 passes over the deflection rollers 28 and the feed roller 29 to the mold shoulder 19. The mold shoulder 19 places the two edge-side packaging material web areas 41 forming a hose against each other, the Packaging material web areas 41 in the area of the longitudinal seam 4 overlap. The overlapping area is on the further The conveying path of the packaging material web 18 to the longitudinal seam 4 is sealed. The transverse seam sealing jaws are located below the shaped tube 20 23, 24 move against each other if that Cross seam jaw housing 22 moved down. Then it will Cross seam jaw housing 22 with the conveying speed of Move the hose to its lower end position, the Formation of an upper transverse seam 2 at a first Tubular bag pack 1, a lower transverse seam 3 at one second tubular bag pack 1 and sealing the Areas 11, 14 of section 5 against the inner sides 13, 15 takes place. During the downward facing Cross seam housing movement becomes the filling material at the same time in a manner known per se by a not shown Filling tube in the still unsealed above Tubular bag pack 1 filled. Once the two Cross seams 3, 4 are sealed by means of a likewise a separator, not shown, is filled Tubular bag pack 1 separated from the tube. Then the transverse seam sealing jaws 23, 24 again opened and the cross seam jaw housing 22 in its upper Returned end position.

    Die Applikation der Abschnitte 5 des Bandes 6 auf die Packstoffbahn 18 erfolgt in zwei Schritten: Während der oben angesprochenen Ab- und Aufwärtsbewegung des Quernahtbackengehäuses 22 wird von dem Schrittmotor 31 jeweils ein Abschnitt 5 der Länge L in das Element 39 der Führungscassette 36 eingeschoben, das von der Trenneinrichtung 40 vom Band 6 abgetrennt wird. Wesentlich ist, daß der Abschnitt 5 vom Band 6 abgetrennt ist, wenn sich die Befestigungseinrichtung 43 in ihrer der Führungscassette 36 zugewandten Endlage befindet. Nunmehr werden die beiden Siegelbacken 44, 45 gegen die Folienbahn 18 verfahren, so daß der Bereich 7 des Abschnitts 5 in Anlagekontakt mit der Siegelbacke 44 und der Oberseite der Folienbahn 18 gelangt. Dies erfolgt unmittelbar in dem Augenblick, wenn sich das Quernahtbackengehäuse 22 den oberen Umkehrpunkt passiert hat. Bei der anschließenden Abwärtsbewegung des Quernahtbackengehäuses 22 wird die Befestigungseinrichtung 43 mittels des Zahnriemens 46 in der Vorschubrichtung 37 bewegt, wobei die gegeneinander gefahrenen Siegelbacken 44, 45 den Abschnitt 5 aus dem Element 39 der Führungscassette 36 herausziehen. Während dieser Bewegung der Befestigungseinrichtung 43 wird der Bereich 7 des Abschnitts 5 unter Einwirkung von Wärme und Druck gegen die Packstoffbahnoberseite gesiegelt. Der Siegelvorgang ist vor dem Erreichen des unteren Umkehrpunkts des Quernahtbackengehäuses 22 beendet, worauf die beiden Siegelbacken 44, 45 wieder geöffnet werden. Bei der anschließenden Aufwärtsbewegung des Quernahtbackengehäuses 22 wird die Befestigungseinrichtung 43 von der Zugfeder 48 wieder in die der Führungscassette 36 zugewandte Endlage zurückgebracht, worauf sich die Vorgänge wie oben beschrieben wiederholen.The application of sections 5 of volume 6 to the Packing material web 18 takes place in two steps: during the above mentioned downward and upward movement of the Cross seam jaw housing 22 is driven by stepper motor 31 each have a section 5 of length L in the element 39 of the Guide cassette 36 inserted by the Separating device 40 is separated from the belt 6. Essential is that section 5 is separated from tape 6 if the fastener 43 in its the Guide cassette 36 facing end position. Now the two sealing jaws 44, 45 against the film web 18 move so that the area 7 of section 5 in System contact with the sealing jaw 44 and the top of the Film web 18 arrives. This takes place immediately in the Wait when the cross seam jaw housing 22 den top reversal point has passed. In the subsequent Downward movement of the cross seam jaw housing 22 is the Fastening device 43 by means of the toothed belt 46 in the Feed direction 37 moves, the against each other driven sealing jaws 44, 45 section 5 from the Pull out element 39 of guide cassette 36. While this movement of the fastening device 43 is the Area 7 of section 5 under the influence of heat and Pressure sealed against the top of the packaging material web. The Sealing process is before reaching the lower turning point of the transverse seam jaw housing 22 ended, whereupon the two Sealing jaws 44, 45 can be opened again. In the subsequent upward movement of the cross seam jaw housing 22 the fastening device 43 becomes tension spring 48 back into the end position facing the guide cassette 36 brought back, whereupon the operations as above repeat as described.

    Claims (6)

    1. Apparatus. (17) for producing recloseable tubular bag packs (1) having a device (30) for feeding and fastening a section (5) of a closure band (6) on a sheet-material web (18), the feed direction of the closure band (6) and the advancement direction (37) of the sheet-material web (18) running perpendicularly to one another, having a forming device (19) for forming a flexible tube from the sheet-material web (18) such that the regions (41) of the sheet-material web (18), said regions being arranged in both sides of the closure band (6), are positioned against one another, a longitudinal seam (4) being formed in the process, and having a transverse-seam-sealing device (22) for forming a bottom transverse seam (3) and a top transverse seam (2) above the closure band (6), characterized in that the device (30) for feeding and fastening the closure band (6) has a fastening device (43) for the closure band (6), said fastening device being designed such that it can be moved parallel to the advancement direction (37) of the sheet-material web (18).
    2. Apparatus according to Claim 1, characterized in that a sheet-material-advancement device (26, 27) is provided, and this conveys the sheet-material web (18) continuously.
    3. Apparatus according to Claim 1 or 2, characterized in that the transverse-seam-sealing device (22) can be moved back and forth in the advancement direction of the flexible tube formed from the sheet-material web (18), and in that a connection (46) is provided between the transverse-seam-sealing device (22) and the fastening device (43) and transmits the movement of the transverse-seam-sealing device (22) to the fastening device (43).
    4. Apparatus according to Claim 3, characterized in that spring means (48) are provided,the spring means interacting with the connection (46) and restoring the fastening device (43) into an original position.
    5. Apparatus according to one of Claims 1 to 4, characterized in that arranged between the fastening device (43) and the transverse-seam-sealing device (22) is a horizontally movable feed roller (29) for adaptation to different lengths of tubular bag pack.
    6. Apparatus according to one of Claims 1 to 5, characterized in that the apparatus is a vertical tubular bag machine (17).
    EP99910108A 1998-05-15 1999-02-06 Device for producing re-sealable tubular packaging bags Expired - Lifetime EP1077874B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE29808817U 1998-05-15
    DE29808817U DE29808817U1 (en) 1998-05-15 1998-05-15 Device for producing reclosable tubular pouch packs
    PCT/DE1999/000313 WO1999059872A1 (en) 1998-05-15 1999-02-06 Device for producing re-sealable tubular packaging bags

    Publications (2)

    Publication Number Publication Date
    EP1077874A1 EP1077874A1 (en) 2001-02-28
    EP1077874B1 true EP1077874B1 (en) 2002-06-26

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP99910108A Expired - Lifetime EP1077874B1 (en) 1998-05-15 1999-02-06 Device for producing re-sealable tubular packaging bags

    Country Status (9)

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    US (1) US6574939B1 (en)
    EP (1) EP1077874B1 (en)
    JP (1) JP4331402B2 (en)
    AT (1) ATE219739T1 (en)
    AU (1) AU756943B2 (en)
    BR (1) BR9910493A (en)
    DE (2) DE29808817U1 (en)
    ES (1) ES2180282T3 (en)
    WO (1) WO1999059872A1 (en)

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    JP4331402B2 (en) 2009-09-16
    DE59901865D1 (en) 2002-08-01
    AU2920499A (en) 1999-12-06
    EP1077874A1 (en) 2001-02-28
    WO1999059872A1 (en) 1999-11-25
    ES2180282T3 (en) 2003-02-01
    DE29808817U1 (en) 1999-09-23
    JP2002515379A (en) 2002-05-28
    ATE219739T1 (en) 2002-07-15
    BR9910493A (en) 2001-01-09
    US6574939B1 (en) 2003-06-10
    AU756943B2 (en) 2003-01-30

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