EP1106508A1 - Machine for making tubular bags - Google Patents

Machine for making tubular bags Download PDF

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Publication number
EP1106508A1
EP1106508A1 EP00125666A EP00125666A EP1106508A1 EP 1106508 A1 EP1106508 A1 EP 1106508A1 EP 00125666 A EP00125666 A EP 00125666A EP 00125666 A EP00125666 A EP 00125666A EP 1106508 A1 EP1106508 A1 EP 1106508A1
Authority
EP
European Patent Office
Prior art keywords
film
edge
tubular bag
machine according
bag machine
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.)
Granted
Application number
EP00125666A
Other languages
German (de)
French (fr)
Other versions
EP1106508B1 (en
Inventor
Gerhard Kuss
René Ohrisch
Harald Braun
Walter Dr. Baur
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.)
Rovema Verpackungsmaschinen GmbH and Co KG
Rovema GmbH
Original Assignee
Rovema Verpackungsmaschinen GmbH and Co KG
Rovema GmbH
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Filing date
Publication date
Family has litigation
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Application filed by Rovema Verpackungsmaschinen GmbH and Co KG, Rovema GmbH filed Critical Rovema Verpackungsmaschinen GmbH and Co KG
Priority to EP04014687A priority Critical patent/EP1464578B1/en
Priority to EP04014688A priority patent/EP1462364B2/en
Publication of EP1106508A1 publication Critical patent/EP1106508A1/en
Application granted granted Critical
Publication of EP1106508B1 publication Critical patent/EP1106508B1/en
Anticipated expiration legal-status Critical
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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
    • B65B9/207—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 the web advancing continuously
    • 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
    • B65B9/2014—Tube advancing means
    • B65B9/2021—Tube advancing means combined with longitudinal welding devices
    • 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
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • 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
    • B65B9/2042—Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • 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
    • B65B9/213—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 the web having intermittent motion
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/10—Creating an off-center longitudinal seal on horizontal or vertical form fill seal [FFS] machines
    • 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
    • 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
    • B65B9/2056—Machines for packages of special type or form

Definitions

  • the invention relates to a tubular bag machine with a film web, one Supply roll, deflection rolls for feeding the flat film web to one asymmetrical shape shoulder, the collar-chest parts of the shape shoulder are of different lengths, a film take-off for transporting the film web, one Filling tube for receiving the film web formed into a film tube, jaws a cross-welding device for producing cross seams, a separating device to cut the film tube, and connected to the filling tube, from Filling tube pointing away, flat expansion elements, in the film transport direction one edge welding device per each downstream of the spreading elements Spreading element is provided, which against that of one spreading element deflected hose edge is directed.
  • Such a known tubular bag machine is used to manufacture Tubular bags, the four edges of which are welded. Have these tubular bags a relatively good stability. By using the asymmetrical shape shoulder, the otherwise the bag has a longitudinal seam running in the middle of one edge of the bag, see above that a separate longitudinal seam no longer occurs.
  • the known tubular bag machines do not offer the possibility of bags with good to produce opening aid or reclosing aid in such a way that This helps the special shape of the bag welded along its four edges uses.
  • the invention is based on the object of eliminating this disadvantage.
  • the task is solved in that a separate longitudinal welding device for one Welding of the area adjacent to the hose edge is provided.
  • the invention has the advantage that as a result of the two on a hose edge provided welding devices, namely an edge welding device and the separate longitudinal welding device, two longitudinal seams directly next to each other in the Area of the tube edge at which the foil tube is closed lengthways, be generated.
  • one seam can be considered relative tear-proof and non-reclosable seam may be provided, and the other Seam can serve as an easy to open or reclosable seam.
  • a seam primarily serves its purpose due to its edge welding a bag stabilization and the other seam serves for a secure bag closure.
  • the seam-welding seam is generally less Strength than the longitudinal seam welding the bags.
  • the seam to be opened first is a seam which can be opened in a simple manner, and the subsequent seam fulfills the function of edge stabilization.
  • the the seam to be opened first can have a reclosing aid.
  • the proposed tubular bag machine is used both for the production of Bags, the edge of which is in the form of a fin pointing away from the bag (film tube) (Claim 3), as well as for bags, the film edge in the form of an overlap seam or a fin on the bag (film tube) is present (claim 4).
  • the concern can e.g. B. can be provided by means of a corresponding welding.
  • the tubular bag machine can be operated continuously or clocked.
  • the film take-off is carried out accordingly.
  • For a continuous Operation is suitable for longitudinal sealing tapes (Claim 5) and a rotating system of cross jaws. Heat seal jaws, the can be operated in cycles (claim 6) in a clocked mode of operation be used.
  • Gussets are used to create gussets in the film tube.
  • a pair of gusset generators that move against each other is used to create two to pierce opposite gussets in the film tube.
  • tubular bag each with two opposite Cross seams welded.
  • These bags are very dimensionally stable. They are headed and welded on the bottom with cross seams.
  • the gussets are in the Cross seams welded.
  • the bag is in terms of its Gusset arrangement symmetrical and can be shaped relatively round to in Edged shape to have a can-like appearance and in the most advantageous Way (material saving) to serve as a can replacement.
  • the shape shoulder has a side slot through which the film edge is led out (claim 9), the tubular bag machine with a conventional, but slotted, asymmetrical shaped shoulder become.
  • a preforming of the edges can be done in a technically simple manner and independently of the operating mode of the tubular bag machine take place if according to claim 10
  • Area of the form shoulder two film retainers are provided, each between Two film spreaders are arranged around the film tube for one Preform edge welding. These film spreaders are used for a safe Preforming attached to the fill pipe (claim 11).
  • a help is particularly suitable stripe-shaped peel layer, for easy opening, a double-sided adhesive tape to ensure a secure closure in connection with a To achieve reclosability, as well as a zip reclosure strip to in particular to be able to use repeated reclosing.
  • a flat film web 2 of one Unwrapped supply roll 3 and an asymmetrical via a guide roller 4 Form shoulder 5 fed ( Figure 1).
  • the collar-chest parts 34, 35 of the shape shoulder 5 are of different lengths.
  • a film take-off 6 serves for the further transport of the film web 2.
  • a filling tube 7 receives the film web 2 formed into a film tube 8.
  • Jaws 9 of a transverse welding device 10 which are movable against one another serve the purpose Generation of transverse seams 11 on the film tube 8.
  • the filling tube 7 fills the generated seams Pouch 13.
  • the shape shoulder 7 offsets the film edges 17 lying one on top of the other to the right the side of the film tube 8.
  • a separate longitudinal welding device 18 is for a welding of the area 19 adjacent to the hose edge 16 provided to create two weld seams directly next to each other.
  • the Longitudinal welding device 18 creates a longitudinal seam 20, whereas each Edge welding device 15 has a welded edge 21 on the film tube 8 generated.
  • the longitudinal welding device 18 is opposite that adjacent to it Edge welding device 15 offset towards the film edge 17.
  • the film edge 17 has in the form of a fin 22 away from the film tube 8.
  • the film take-off 6 is operated continuously.
  • the longitudinal welding device 18 and the edge welding devices 15 are continuously driven, rotating Sealing tapes.
  • the edge welding devices 15 each have a counterholder 23 on.
  • a pair 24 is in the film transport direction before and a pair 25 provided after the cross welder 10.
  • the shape shoulder 5 has a lateral slot 28 through which the film edge 17 is led out ( Figure 1).
  • two film retainers 29 provided on the filling tube 7, each arranged between two film spreaders 30 are to preform the film tube 8 for welding the edges 21.
  • the bag opening aid 32 is one strip-shaped peel layer, which runs into the longitudinal seam 20 and serves one bags 13 produced in this way (FIG. 5) can be opened more easily.
  • the bag 13 has four gussets 33 and is by means of the head and bottom one transverse seam 11 each closed. Next to one of his four welded ones Edges 21 run along its longitudinal seam 20. Its fin 22 projects from the pouch 13. The Peel layer within the longitudinal seam 20 enables easy opening of the Longitudinal seam 20 by pulling on.
  • FIG Bags 13 An arrangement of the longitudinal welding device 18 according to FIG Bags 13 are generated according to Figure 6.
  • the longitudinal welding device 18 acts here against the flipped fin 22 and against the filling tube 7.
  • the corresponding bag 13 thus has a folded longitudinal seam 20.

Abstract

The form-and-fill machine has a feed roller (3) for plastic sheet (2) and a folding roller (4) which forms the sheet into shoulder portions (34, 35) of different lengths. A feeder (6) moves the sheet on to a filler pipe (7). A welder (10) produces transverse welds and spreaders with individual welding devices (15) weld the edges held by the spreaders. The novelty is that a separate welder (18) produces a weld along the edge (16) of the bag.

Description

Die Erfindung betrifft eine Schlauchbeutelmaschine mit einer Folienbahn, einer Vorratsrolle, Umlenkrollen zur Zuführung der ebenen Folienbahn zu einer asymmetrischen Formschulter, wobei die Kragen-Brustteile der Formschulter verschieden lang sind, einem Folienabzug zum Transport der Folienbahn, einem Füllrohr zur Aufnahme der zu einem Folienschlauch umgeformten Folienbahn, Backen einer Querschweisseinrichtung zur Erzeugung von Quernähten, einer Trenneinrichtung zur Durchtrennung des Folienschlauches, und mit dem Füllrohr verbundenen, vom Füllrohr weg weisenden, flachen Spreizelementen, wobei in Folientransportrichtung den Spreizelementen nachgeordnet jeweils eine Kantenschweisseinrichtung pro Spreizelement vorgesehen ist, die gegen den von jeweils einem Spreizelement ausgelenkten Schlauchrand gerichtet ist.The invention relates to a tubular bag machine with a film web, one Supply roll, deflection rolls for feeding the flat film web to one asymmetrical shape shoulder, the collar-chest parts of the shape shoulder are of different lengths, a film take-off for transporting the film web, one Filling tube for receiving the film web formed into a film tube, jaws a cross-welding device for producing cross seams, a separating device to cut the film tube, and connected to the filling tube, from Filling tube pointing away, flat expansion elements, in the film transport direction one edge welding device per each downstream of the spreading elements Spreading element is provided, which against that of one spreading element deflected hose edge is directed.

Eine derartige, bekannte Schlauchbeutelmaschine dient der Herstellung von Schlauchbeuteln, deren vier Kanten verschweisst sind. Diese Schlauchbeutel haben eine relativ gut Stabilität. Durch den Einsatz der asymmetrischen Formschulter wird die ansonsten Beutel mittig verlaufende Längsnaht in eine Kante des Beutels gelegt, so dass eine separate Längsnaht nicht mehr vorkommt.Such a known tubular bag machine is used to manufacture Tubular bags, the four edges of which are welded. Have these tubular bags a relatively good stability. By using the asymmetrical shape shoulder, the otherwise the bag has a longitudinal seam running in the middle of one edge of the bag, see above that a separate longitudinal seam no longer occurs.

Bei einer anderen bekannten Schlauchbeutelmaschine wird mittels einer symmetrischen Formschulter eine Beutel mittig angeordnete Längsnaht erzeugt. Die Kanten des Beutels werden separat verschweisst, so dass ein Beutel fünf längs verlaufende Schweissnähte aufweist.In another known tubular bag machine is by means of a symmetrical shape shoulder creates a bag centrally arranged longitudinal seam. The Edges of the bag are welded separately, leaving one bag five along has running welds.

Während ein Beutel mit lediglich vier längs verlaufenden Schweissnähten keine die Beutelbedruckung beeinträchtigende Längsnaht aufweist, kann für die Herstellung eines Beutels mit mittiger Längsnaht eine herkömmliche, symmetrische Formschulter verwendet werden.While a bag with only four longitudinal weld seams does not contain the Bag printing has adverse longitudinal seam, can be used for manufacturing a bag with a central longitudinal seam a conventional, symmetrical shape shoulder be used.

Die bekannten Schlauchbeutelmaschinen bieten nicht die Möglichkeit, Beutel mit gut zu handhabender Öffnungshilfe oder Wiederverschliesshilfe derart herzustellen, dass diese Hilfe die besondere Form des längs seinen vier Kanten verschweissten Beutels nutzt.The known tubular bag machines do not offer the possibility of bags with good to produce opening aid or reclosing aid in such a way that This helps the special shape of the bag welded along its four edges uses.

Der Erfindung liegt die Aufgabe zu Grunde, diesen Nachteil zu beseitigen. The invention is based on the object of eliminating this disadvantage.

Gelöst ist die Aufgabe dadurch, dass eine separate Längsschweisseinrichtung für eine Verschweissung des dem Schlauchrand benachbarten Bereichs vorgesehen ist.The task is solved in that a separate longitudinal welding device for one Welding of the area adjacent to the hose edge is provided.

Die Erfindung hat den Vorteil, dass infolge der beiden an einem Schlauchrand vorgesehenen Schweisseinrichtungen, nämlich einer Kantenschweisseinrichtung und der separaten Längsschweisseinrichtung, zwei Längsnähte direkt nebeneinander im Bereich des Schlauchrandes, an dem der Folienschlauch längs verschlossen wird, erzeugt werden. Von diesen beiden Längsnähten kann eine Naht als relativ aufreisssichere und nicht wiederverschliessbare Naht vorgesehen sein, und die andere Naht kann als leicht zu öffnende oder als wieder verschliessbare Naht dienen. Oder aber eine Naht erfüllt infolge ihrer Kantenverschweissung in erster Linie den Zweck einer Beutelstabilisierung und die andere Naht dient einem sicheren Beutelverschluss. Dann hat z. B. die Kanten verschweissende Naht im Allgemeinen eine geringere Festigkeit als die Beutel verschweissende Längsnaht.The invention has the advantage that as a result of the two on a hose edge provided welding devices, namely an edge welding device and the separate longitudinal welding device, two longitudinal seams directly next to each other in the Area of the tube edge at which the foil tube is closed lengthways, be generated. Of these two longitudinal seams, one seam can be considered relative tear-proof and non-reclosable seam may be provided, and the other Seam can serve as an easy to open or reclosable seam. Or but a seam primarily serves its purpose due to its edge welding a bag stabilization and the other seam serves for a secure bag closure. Then z. B. the seam-welding seam is generally less Strength than the longitudinal seam welding the bags.

Besondere Bedeutung hat ein derart erzeugter Beutel auch dann, wenn die äussere, d. h. die zuerst zu öffnende Naht eine in einfacher Weise zu öffnende Naht ist, und die sich daran anschliessende Naht die Funktion der Kantenstabilisierung erfüllt. Die zuerst zu öffnende Naht kann hierbei eine Wiederverschliesshilfe aufweisen.A bag produced in this way is of particular importance even if the outer, d. H. the seam to be opened first is a seam which can be opened in a simple manner, and the the subsequent seam fulfills the function of edge stabilization. The the seam to be opened first can have a reclosing aid.

Weitere, vorteilhafte Ausgestaltungen der erfindungsgemässen Schlauchbeutelmaschine sind in den Ansprüchen 2 bis 13 beschrieben.Further advantageous configurations of the tubular bag machine according to the invention are described in claims 2 to 13.

Ist die Längsschweisseinrichtung gegenüber der ihr benachbarten Kantenschweisseinrichtung zum Folienrand hin versetzt (Anspruch 2), so bewirkt die Längsschweisseinrichtung den Verschluss des Folienschlauches an der Stelle, an welcher die beiden Folienränder zusammentreffen. An diesen Rändern schliesst sich ein Kantenbereich an. Diese Anordnung erlaubt in einfacher Weise die Herstellung von an vier Kanten verschweissten Beuteln mit von einer Kante begrenzten Längsnaht. Die Kante kann hierbei auch ohne Beutel verschliessende Eigenschaft ausgebildet sein.Is the longitudinal welding device compared to the adjacent edge welding device offset to the edge of the film (claim 2), so causes Longitudinal welding device the closure of the film tube at the point which the two film edges meet. Closes at these edges an edge area. This arrangement allows the production of Pouches sealed on four edges with longitudinal seam delimited by one edge. The In this case, the edge can also be formed without a sealing property.

Die vorgeschlagene Schlauchbeutelmaschine dient sowohl zur Herstellung von Beuteln, deren Folienrand in Form einer Flosse vom Beutel (Folienschlauch) weg weist (Anspruch 3), als auch für Beutel, deren Folienrand in Form einer Überlappungsnaht oder einer Flosse am Beutel (Folienschlauch) anliegt (Anspruch 4). Das Anliegen kann z. B. mittels einer entsprechenden Verschweissung vorgesehen werden. The proposed tubular bag machine is used both for the production of Bags, the edge of which is in the form of a fin pointing away from the bag (film tube) (Claim 3), as well as for bags, the film edge in the form of an overlap seam or a fin on the bag (film tube) is present (claim 4). The concern can e.g. B. can be provided by means of a corresponding welding.

Die Schlauchbeutelmaschine kann kontinuierlich oder getaktet betrieben werden. Entsprechend erfolgt der Betrieb des Folienabzuges. Für eine kontinuierliche Betriebsweise eignen sich zum längs Verschweissen umlaufende Siegelbänder (Anspruch 5) und ein rotierendes System von Querbacken. Heisssiegelbacken, die taktweise betrieben werden (Anspruch 6) können bei einer getakteten Betriebsweise genutzt werden.The tubular bag machine can be operated continuously or clocked. The film take-off is carried out accordingly. For a continuous Operation is suitable for longitudinal sealing tapes (Claim 5) and a rotating system of cross jaws. Heat seal jaws, the can be operated in cycles (claim 6) in a clocked mode of operation be used.

Seitenfaltenerzeuger dienen dazu, Seitenfalten im Folienschlauch zu erzeugen. Ein Paar gegeneinander beweglicher Seitenfaltenerzeuger wird genutzt, um zwei gegenüberliegende Seitenfalten in den Folienschlauch zu stechen. Derart werden mittels zwei Paaren von Seitenfaltenerzeugern, wobei ein Paar in Folientransportrichtung vor und ein Paar nach der Querschweisseinrichtung vorgesehen ist (Anspruch 7), Schlauchbeutel mit jeweils zwei gegenüber liegenden Quernähten verschweisst. Diese Beutel sind sehr formstabil. Sie werden kopfseitig und bodenseitig mittels Quernähten verschweisst. Die Seitenfalten werden in den Quernähten eingeschweisst. Ist der Abstand des einen Paars von der Querschweisseinrichtung gleich dem Abstand des anderen Paars von der Querschweisseinrichtung (Anspruch 8), so ist der Beutel hinsichtlich seiner Seitenfaltenanordnung symmetrisch und kann relativ rund geformt werden, um in auf Kanten gestellter Form ein Dosen ähnliches Aussehen zu haben und in vorteilhaftester Weise (Materialeinsparung) als Dosenersatz zu dienen.Gussets are used to create gussets in the film tube. On A pair of gusset generators that move against each other is used to create two to pierce opposite gussets in the film tube. Be like that by means of two pairs of gussets, one pair in Foil transport direction before and a pair after the cross welder is provided (claim 7), tubular bag, each with two opposite Cross seams welded. These bags are very dimensionally stable. They are headed and welded on the bottom with cross seams. The gussets are in the Cross seams welded. Is the distance of one pair from the Cross welding device equal to the distance of the other pair from the Cross-welding device (claim 8), the bag is in terms of its Gusset arrangement symmetrical and can be shaped relatively round to in Edged shape to have a can-like appearance and in the most advantageous Way (material saving) to serve as a can replacement.

Weist die Formschulter einen seitlichen Schlitz auf, durch den der Folienrand herausgeführt wird (Anspruch 9), so kann die Schlauchbeutelmaschine mit einer herkömmlichen, jedoch geschlitzten, asymmetrischen Formschulter ausgerüstet werden.The shape shoulder has a side slot through which the film edge is led out (claim 9), the tubular bag machine with a conventional, but slotted, asymmetrical shaped shoulder become.

Eine Vorformung der Kanten kann in technisch einfachster Weise und unabhängig von der Betriebsart der Schlauchbeutelmaschine erfolgen, wenn gemäss Anspruch 10 im Bereich der Formschulter zwei Folienrückhalter vorgesehen sind, die jeweils zwischen zwei Folienspreizern angeordnet sind, um den Folienschlauch für eine Kantenverschweissung vorzuformen. Diese Folienspreizer werden für eine sichere Vorformung am Füllrohr angebracht (Anspruch 11).A preforming of the edges can be done in a technically simple manner and independently of the operating mode of the tubular bag machine take place if according to claim 10 Area of the form shoulder two film retainers are provided, each between Two film spreaders are arranged around the film tube for one Preform edge welding. These film spreaders are used for a safe Preforming attached to the fill pipe (claim 11).

Ist an der ebenen Folienbahn eine Einrichtung zum Anbringen einer Beutelöffnungshilfe oder einer Wiederverschliesshilfe angebracht, und ist diese Hilfe zum Einlauf in die Längsnaht und/oder die zu verschweissenden Kanten vorgesehen (Anspruch 12), so kann eine ausgewählte Naht mit einer entsprechenden Hilfe ausgestattet werden. Als Hilfe eignen sich gemäss Anspruch 13 insbesondere eine streifenförmige Peelschicht, um ein leichtes Öffnen zu erreichen, ein doppelseitig klebender Klebestreifen, um einen sicheren Verschluss in Verbindung mit einer Wiederverschliessbarkeit zu erzielen, sowie ein Zipp-Wiederverschlussstreifen, um insbesondere ein wiederholtes Wiederverschliessen nutzen zu können.Is a device for attaching a to the flat film web Bag opening aid or a resealable aid attached, and is this help provided for entry into the longitudinal seam and / or the edges to be welded (Claim 12), so a selected seam with appropriate help be equipped. According to claim 13, a help is particularly suitable stripe-shaped peel layer, for easy opening, a double-sided adhesive tape to ensure a secure closure in connection with a To achieve reclosability, as well as a zip reclosure strip to in particular to be able to use repeated reclosing.

Im folgenden werden die erzeugten Schlauchbeutel und die erfindungsgemässe Schlauchbeutelmaschine an Hand von Ausführungsbeispiele darstellenden Figuren näher beschrieben. Es zeigt:

Figur 1
in einer Seitenansicht das Prinzip einer Schlauchbeutelmaschine zur Erzeugung eines Schlauchbeutels mit einer asymmetrischen Formschulter zur Umformung einer ebenen Folienbahn zu einem Folienschlauch, einem verjüngten Füllrohr, flachen Spreizelementen, geschlossenen, umlaufenden Backen einer Querschweisseinrichtung, mit gegen die ausgelenkten Schlauchränder gerichteten Kantenschweisseinrichtungen, sowie einer separaten Längsschweisseinrichtung;
Figur 2
in einem Schnitt entlang AA der Figur 1 das Füllrohr mit vier Folienspreizern und jeweils einem Folienrückhalter zwischen zwei Folienspreizern;
Figur 3
in einem Schnitt entlang BB der Figur 2 das Füllrohr mit vier Spreizelementen, jeweils einer Kantenschweisseinrichtung pro Spreizelement, sowie einer separaten, zusätzlichen Längsschweisseinrichtung am Schlauchrand;
Figur 4
in einem Schnitt einen Gegenstand analog Figur 3, jedoch mit umgelegtem Schlauchrand und versetzter, abgeänderter Längsschweisseinrichtung;
Figur 5
in einer perspektivischen Darstellung einen Schlauchbeutel mit jeweils zwei Seitenfalten pro Seite und mit an jeweils den beiden Rändern der beiden Seiten vorgesehenen, parallel zu einer Längsnaht verlaufenden verschweissten Kanten, sowie
Figur 6
in einer perspektivischen Darstellung einen Schlauchbeutel analog Figur 5, jedoch mit einem umgeklappten Randbereich des Beutels.
The tubular bags produced and the tubular bag machine according to the invention are described in more detail below with reference to figures which illustrate exemplary embodiments. It shows:
Figure 1
In a side view, the principle of a tubular bag machine for producing a tubular bag with an asymmetrical shape shoulder for forming a flat film web into a film tube, a tapered filling tube, flat expansion elements, closed, circumferential jaws of a cross-welding device, with edge welding devices directed against the deflected tube edges, and a separate longitudinal welding device ;
Figure 2
in a section along AA of Figure 1, the fill tube with four film spreaders and one film retainer between two film spreaders;
Figure 3
in a section along BB of Figure 2, the filling tube with four expansion elements, one edge welding device per expansion element, and a separate, additional longitudinal welding device on the edge of the hose;
Figure 4
in a section an object analogous to FIG. 3, but with the hose edge folded over and offset, modified longitudinal welding device;
Figure 5
in a perspective view, a tubular bag with two side gussets per side and with welded edges provided on each of the two edges of the two sides and running parallel to a longitudinal seam, and
Figure 6
a perspective view of a tubular bag analogous to Figure 5, but with a folded edge region of the bag.

Bei einer vertikalen Schlauchbeutelmaschine 1 wird eine ebene Folienbahn 2 von einer Vorratsrolle 3 abgewickelt und über eine Umlenkrolle 4 einer asymmetrischen Formschulter 5 zugeführt (Figur 1). Die Kragen-Brustteile 34, 35 der Formschulter 5 sind verschieden lang. Ein Folienabzug 6 dient dem Weitertransport der Folienbahn 2. Ein Füllrohr 7 nimmt die zu einem Folienschlauch 8 geformte Folienbahn 2 auf. Gegeneinander bewegliche Backen 9 einer Querschweisseinrichtung 10 dienen der Erzeugung von Quernähten 11 am Folienschlauch 8. In einer der Backen 9 befindet sich eine Trenneinrichtung 12 zur Durchtrennung des Folienschlauches 8 zwischen jeweils zwei Quernähten 11. Durch das Füllrohr 7 erfolgt eine Befüllung der erzeugten Beutel 13.In the case of a vertical tubular bag machine 1, a flat film web 2 of one Unwrapped supply roll 3 and an asymmetrical via a guide roller 4 Form shoulder 5 fed (Figure 1). The collar-chest parts 34, 35 of the shape shoulder 5 are of different lengths. A film take-off 6 serves for the further transport of the film web 2. A filling tube 7 receives the film web 2 formed into a film tube 8. Jaws 9 of a transverse welding device 10 which are movable against one another serve the purpose Generation of transverse seams 11 on the film tube 8. Located in one of the jaws 9 there is a separating device 12 for severing the film tube 8 between Two transverse seams 11 each. The filling tube 7 fills the generated seams Pouch 13.

Mit dem Füllrohr 7 sind vier vom Füllrohr 7 weg weisende, flache Spreizelemente 14 verbunden (Figuren 3). In Folientransportrichtung den Spreizelementen 14 nachgeordnet, d. h. unterhalb der Spreizelemente 14, ist jeweils eine Kantenschweisseinrichtung 15 pro Spreizelement 14 vorgesehen, die jeweils gegen von einem Spreizelement 14 ausgelenkten Schlauchrand 16 gerichtet ist.With the filling pipe 7 are four flat expansion elements 14 pointing away from the filling pipe 7 connected (Figures 3). The spreading elements 14 in the film transport direction subordinate, d. H. below the spreading elements 14 is one Edge welding device 15 is provided per expansion element 14, each against is directed by a spreading element 14 deflected hose edge 16.

Die Formschulter 7 versetzt die aufeinander liegenden Folienränder 17 nach rechts an die Seite des Folienschlauches 8. Eine separate Längsschweisseinrichtung 18 ist für eine Verschweissung des dem Schlauchrand 16 benachbarten Bereichs 19 vorgesehen, um zwei direkt nebeneinander liegende Schweissnähte zu erzeugen. Die Längsschweisseinrichtung 18 erzeugt eine Längsnaht 20, wohingegen jede Kantenschweisseinrichtung 15 eine verschweisste Kante 21 am Folienschlauch 8 erzeugt. Die Längsschweisseinrichtung 18 ist gegenüber der ihr benachbarten Kantenschweisseinrichtung 15 zum Folienrand 17 hin versetzt. Der Folienrand 17 weist in Form einer Flosse 22 vom Folienschlauch 8 weg.The shape shoulder 7 offsets the film edges 17 lying one on top of the other to the right the side of the film tube 8. A separate longitudinal welding device 18 is for a welding of the area 19 adjacent to the hose edge 16 provided to create two weld seams directly next to each other. The Longitudinal welding device 18 creates a longitudinal seam 20, whereas each Edge welding device 15 has a welded edge 21 on the film tube 8 generated. The longitudinal welding device 18 is opposite that adjacent to it Edge welding device 15 offset towards the film edge 17. The film edge 17 has in the form of a fin 22 away from the film tube 8.

Der Folienabzug 6 wird kontinuierlich betrieben. Die Längsschweisseinrichtung 18 und die Kantenschweisseinrichtungen 15 sind kontinuierlich angetriebene, umlaufende Siegelbänder. Die Kantenschweisseinrichtungen 15 weisen jeweils einen Gegenhalter 23 auf. The film take-off 6 is operated continuously. The longitudinal welding device 18 and the edge welding devices 15 are continuously driven, rotating Sealing tapes. The edge welding devices 15 each have a counterholder 23 on.

An der Querschweisseinrichtung 10 sind zwei Paar 24, 25 Seitenfaltenerzeuger 26 vorgesehen. Die beiden Seitenfaltenerzeuger 26 eines Paars 24, 25 sind gegeneinander und in den zwischen ihnen befindlichen Folienschlauch 8 bewegbar, um Seitenfalten im Beutel 13 zu erzeugen. Ein Paar 24 ist in Folientransportrichtung vor und ein Paar 25 nach der Querschweisseinrichtung 10 vorgesehen. Der Abstand 27 des einen Paars 24 von der Querschweisseinrichtung 10 ist, in Folientransportrichtung gesehen, gleich dem Abstand 27 des anderen Paars 25 von der Querschweisseinrichtung 10.There are two pairs 24, 25 of gusset generators 26 on the transverse welding device 10 intended. The two gussets 26 of a pair 24, 25 are movable against each other and in the film tube 8 between them, to create gussets in the bag 13. A pair 24 is in the film transport direction before and a pair 25 provided after the cross welder 10. The distance 27 of the one pair 24 from the transverse welding device 10, in Film transport direction seen, equal to the distance 27 of the other pair 25 of the transverse welding device 10.

Die Formschulter 5 weist einen seitlichen Schlitz 28 auf, durch den der Folienrand 17 herausgeführt wird (Figur 1). Im Bereich der Formschulter 5 sind zwei Folienrückhalter 29 am Füllrohr 7 vorgesehen, die jeweils zwischen zwei Folienspreizern 30 angeordnet sind, um den Folienschlauch 8 für eine Verschweissung der Kanten 21 vorzuformen.The shape shoulder 5 has a lateral slot 28 through which the film edge 17 is led out (Figure 1). In the area of the shape shoulder 5 are two film retainers 29 provided on the filling tube 7, each arranged between two film spreaders 30 are to preform the film tube 8 for welding the edges 21.

An der ebenen Folienbahn 2 ist eine Einrichtung 31 zum Anbringen einer Beutelöffnungshilfe 32 angebracht (Figur 1). Die Beutelöffnungshilfe 32 ist eine streifenförmige Peelschicht, die in die Längsnaht 20 einläuft und dazu dient, einen derart erzeugten Beutel 13 (Figur 5) leichter öffnen zu können.On the flat film web 2 is a device 31 for attaching a Bag opening aid 32 attached (Figure 1). The bag opening aid 32 is one strip-shaped peel layer, which runs into the longitudinal seam 20 and serves one bags 13 produced in this way (FIG. 5) can be opened more easily.

Der Beutel 13 weist vier Seitenfalten 33 auf und ist kopfseitig und bodenseitig mittels jeweils einer Quernaht 11 verschlossen. Neben einer seiner vier verschweissten Kanten 21 verläuft seine Längsnaht 20. Seine Flosse 22 steht vom Beutel 13 ab. Die Peelschicht innerhalb der Längsnaht 20 ermöglicht ein einfaches Öffnen der Längsnaht 20 durch Aufziehen.The bag 13 has four gussets 33 and is by means of the head and bottom one transverse seam 11 each closed. Next to one of his four welded ones Edges 21 run along its longitudinal seam 20. Its fin 22 projects from the pouch 13. The Peel layer within the longitudinal seam 20 enables easy opening of the Longitudinal seam 20 by pulling on.

Mittels einer Anordnung der Längsschweisseinrichtung 18 gemäss Figur 4 kann ein Beutel 13 gemäss Figur 6 erzeugt werden. Die Längsschweisseinrichtung 18 wirkt hier gegen die umgelegte Flosse 22 und gegen das Füllrohr 7. Der entsprechende Beutel 13 weist somit eine umgelegte Längsnaht 20 auf.An arrangement of the longitudinal welding device 18 according to FIG Bags 13 are generated according to Figure 6. The longitudinal welding device 18 acts here against the flipped fin 22 and against the filling tube 7. The corresponding bag 13 thus has a folded longitudinal seam 20.

Die erzeugten Beutel 13 (Figur 5, Figur 6) können auf die Kanten 21 gestellt werden, an denen die Längsnaht 20 nicht vorkommt. Dann kann die oben liegende Längsnaht 20 geöffnet werden, um Produkt aus dem Beutel 13 zu entnehmen. Die Kanten 21 stabilisieren den Beutel 13. Es könnte auch die an der Längsnaht 20 angrenzende Kante 21 dicht verschlossen sein und in der Längsnaht 20 könnte sich ein doppelseitig klebender Klebestreifen oder ein Zipp-Wiederverschlussstreifen befinden, um eine einfache Wiederverschliessung des Beutels 13 zu erreichen. Alternativ dazu kann auch die Längsnaht 20 fest verschweisst werden und die benachbarte Kante 21 mit einer Wiederverschliesshilfe versehen werden. Dazu müsste dann die Einrichtung 31 ein wenig zur Mitte 36 der Folienbahn 2 versetzt werden.

1
Schlauchbeutelmaschine
2
Folienbahn
3
Vorratsrolle
4
Umlenkrolle
5
Formschulter
6
Folienabzug
7
Füllrohr
8
Folienschlauch
9
Backe
10
Querschweisseinrichtung
11
Quernaht
12
Trenneinrichtung
13
Beutel
14
Spreizelement
15
Kantenschweisseinrichtung
16
Schlauchrand
17
Folienrand
18
Längsschweisseinrichtung
19
Bereich
20
Längsnaht
21
verschweisste Kante
22
Flosse
23
Gegenhalter
24, 25
Paar
26
Seitenfaltenerzeuger
27
Abstand
28
Schlitz
29
Folienrückhalter
30
Folienspreizer
31
Einrichtung zum Anbringen
32
Beutelöffnungshilfe
33
Seitenfalte
34, 35
Kragen-Brustteil
36
Mitte der Folienbahn 2
The bags 13 produced (FIG. 5, FIG. 6) can be placed on the edges 21 on which the longitudinal seam 20 does not occur. Then the longitudinal seam 20 lying at the top can be opened in order to remove product from the bag 13. The edges 21 stabilize the bag 13. The edge 21 adjacent to the longitudinal seam 20 could also be sealed and in the longitudinal seam 20 there could be a double-sided adhesive strip or a zip reclosure strip in order to achieve a simple reclosure of the bag 13. Alternatively, the longitudinal seam 20 can also be welded tightly and the adjacent edge 21 can be provided with a reclosing aid. For this purpose, the device 31 would then have to be displaced a little to the center 36 of the film web 2.
1
Tubular bag machine
2
Foil web
3rd
Supply roll
4th
Pulley
5
Shape shoulder
6
Film deduction
7
Filling pipe
8th
Foil tube
9
jaw
10
Cross welding device
11
Cross seam
12th
Separator
13
bag
14
Expansion element
15
Edge welding device
16
Hose edge
17th
Foil edge
18th
Longitudinal welding device
19th
Area
20th
Longitudinal seam
21
welded edge
22
fin
23
Counterhold
24, 25
Pair
26
Gusset generator
27
distance
28
slot
29
Foil retainer
30th
Foil spreader
31
Attachment device
32
Bag opening aid
33
Gusset
34, 35
Collar chest part
36
Center of the film web 2

Claims (13)

Schlauchbeutelmaschine mit einer Folienbahn einer Vorratsrolle, Umlenkrollen zur Zuführung der ebenen Folienbahn zu einer asymmetrischen Formschulter, wobei die Kragen-Brustteile der Formschulter verschieden lang sind, einem Folienabzug zum Transport der Folienbahn, einem Füllrohr zur Aufnahme der zu einem Folienschlauch umgeformten Folienbahn, Backen einer Querschweisseinrichtung zur Erzeugung von Quernähten, einer Trenneinrichtung zur Durchtrennung des Folienschlauches und mit dem Füllrohr verbundenen, vom Füllrohr weg weisenden flachen Spreizelementen wobei in Folientransportrichtung den Spreizelementen nachgeordnet jeweils eine Kantenschweisseinrichtung pro Spreizelement vorgesehen ist, die gegen den von jeweils einem Spreizelement ausgelenkten Schlauchrand gerichtet ist, dadurch gekennzeichnet, dass eine separate Längsschweisseinrichtung (18) für eine Verschweissung des dem Schlauchrand (16) benachbarten Bereichs (19) vorgesehen ist.Tubular bag machine with a film web of a supply roll, deflection rolls for Feeding the flat film web to an asymmetrical shape shoulder, whereby the collar-chest parts of the shaped shoulder are of different lengths, a film deduction for transporting the film web, a filling tube for receiving the one Foil tube reshaped foil web, baking of a cross welding device for the production of transverse seams, a separating device for severing the Foil tube and connected to the filling tube, facing away from the filling tube flat expansion elements, the expansion elements in the film transport direction downstream one edge welding device per expansion element is provided, which is deflected against that deflected by a respective spreading element Hose edge is directed, characterized in that a separate Longitudinal welding device (18) for welding the edge of the hose (16) adjacent area (19) is provided. Schlauchbeutelmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Längsschweisseinrichtung (18) gegenüber der ihr benachbarten Kantenschweisseinrichtung (15) zum Folienrand (17) hin versetzt ist.Tubular bag machine according to claim 1, characterized in that the Longitudinal welding device (18) opposite the edge welding device adjacent to it (15) is offset towards the edge of the film (17). Schlauchbeutelmaschine nach Anspruch 2, dadurch gekennzeichnet, dass der Folienrand (17) in Form einer Flosse (22) vom Folienschlauch (8) weg weist.Tubular bag machine according to claim 2, characterized in that the Foil edge (17) in the form of a fin (22) points away from the film tube (8). Schlauchbeutelmaschine nach Anspruch 2, dadurch gekennzeichnet, dass der Folienrand (17) in Form einer Flosse (22) oder einer Überlappungsnaht am Folienschlauch (8) anliegt.Tubular bag machine according to claim 2, characterized in that the Foil edge (17) in the form of a fin (22) or an overlap seam on Foil tube (8) rests. Schlauchbeutelmaschine nach Anspruch 1, Anspruch 2, Anspruch 3 oder Anspruch 4, dadurch gekennzeichnet, dass der Folienabzug (6) ein kontinuierlich betriebener Folienabzug (6) ist, und dass sowohl die Längsschweisseinrichtung (18) als auch die Kantenschweisseinrichtungen (15) kontinuierlich angetriebene Schweisseinrichtungen, insbesondere umlaufende Siegelbänder sind.Tubular bag machine according to claim 1, claim 2, claim 3 or Claim 4, characterized in that the film deduction (6) is a continuous operated film take-off (6), and that both the longitudinal welding device (18) and the edge welding devices (15) are continuously driven Welding devices, in particular circumferential sealing tapes. Schlauchbeutelmaschine nach Anspruch 1, Anspruch 2, Anspruch 3 oder Anspruch 4, dadurch gekennzeichnet, dass der Folienabzug ein getaktet betriebener Folienabzug ist, und sowohl die Längsschweisseinrichtung als auch die Kantenschweisseinrichtungen getaktet angetriebene Schweisseinrichtungen, insbesondere Heisssiegelbacken sind. Tubular bag machine according to claim 1, claim 2, claim 3 or Claim 4, characterized in that the film deduction clocked is operated film take-off, and both the longitudinal welding device and the edge welding devices are clocked driven welding devices, in particular are heat seal jaws. Schlauchbeutelmaschine nach mindestens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an der Querschweisseinrichtung (10) zwei Paar (24, 25) Seitenfaltenerzeuger (26) vorgesehen sind, dass die beiden Seitenfaltenerzeuger (26) eines Paars (24, 25) gegeneinander und in den zwischen ihnen befindlichen Folienschlauch (8) bewegbar sind, und dass ein Paar (24) in Folientransportrichtung vor und ein Paar (25) nach der Querschweisseinrichtung (10) vorgesehen ist.Tubular bag machine according to at least one of claims 1 to 6, characterized characterized in that two pairs (24, 25) on the transverse welding device (10) Gusset producers (26) are provided that the two gusset producers (26) of a pair (24, 25) against each other and in the one between them Foil tube (8) are movable, and that a pair (24) in Film transport direction before and a pair (25) after the cross sealer (10) is provided. Schlauchbeutelmaschine nach Anspruch 7, dadurch gekennzeichnet dass der Abstand (27) des einen Paars (24) von der Querschweisseinrichtung (10), in Folientransportrichtung gesehen, gleich dem Abstand (27) des anderen Paars (25) von der Querschweisseinrichtung (10) ist.Tubular bag machine according to claim 7, characterized in that the Distance (27) of the one pair (24) from the transverse welding device (10), in Seen film transport direction, equal to the distance (27) of the other pair (25) from the cross-welding device (10). Schlauchbeutelmaschine nach mindestens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Formschulter (5) einen seitlichen Schlitz (28) aufweist, durch den der Folienrand (17) herausgeführt wird.Tubular bag machine according to at least one of claims 1 to 8, characterized characterized in that the shaped shoulder (5) has a lateral slot (28), through which the film edge (17) is led out. Schlauchbeutelmaschine nach mindestens einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass im Bereich der Formschulter (5) zwei Folienrückhalter (29) vorgesehen sind, die jeweils zwischen zwei Folienspreizern (30) angeordnet sind, um den Folienschlauch (8) für eine Verschweissung der Kanten (21) vorzuformen.Tubular bag machine according to at least one of claims 1 to 9, characterized characterized in that in the area of the shape shoulder (5) two film retainers (29) are provided, which are each arranged between two film spreaders (30), to preform the film tube (8) for welding the edges (21). Schlauchbeutelmaschine nach Anspruch 10, dadurch gekennzeichnet, dass die Folienspreizer (30) am Füllrohr (7) angebracht sind.Tubular bag machine according to claim 10, characterized in that the Foil spreader (30) are attached to the filling tube (7). Schlauchbeutelmaschine nach mindestens einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass an der ebenen Folienbahn (2) eine Einrichtung (31) zum Anbringen einer Beutelöffnungshilfe (32) oder einer Wiederverschliesshilfe angebracht ist, und diese Hilfe zum Einlauf in die Längsnaht (20) und/oder die zu verschweissenden Kanten (21) vorgesehen ist.Tubular bag machine according to at least one of claims 1 to 11, characterized in that a device (31) on the flat film web (2) for attaching a bag opening aid (32) or a resealable aid is attached, and this help to run into the longitudinal seam (20) and / or welding edges (21) is provided. Schlauchbeutelmaschine nach Anspruch 12, dadurch gekennzeichnet, dass als Hilfe eine streifenförmige Peelschicht, ein doppelseitig klebender Klebestreifen oder ein Zipp-Wiederverschlussstreifen vorgesehen ist.Tubular bag machine according to claim 12, characterized in that as Help a stripe-shaped peel layer, a double-sided adhesive strip or a zip reclosure strip is provided.
EP00125666A 1999-12-01 2000-11-23 Machine for making tubular bags Revoked EP1106508B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04014687A EP1464578B1 (en) 1999-12-01 2000-11-23 Machine for making tubular bags
EP04014688A EP1462364B2 (en) 1999-12-01 2000-11-23 Machine for making tubular bags

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19957891 1999-12-01
DE19957891A DE19957891A1 (en) 1999-12-01 1999-12-01 Tubular bag machine

Related Child Applications (2)

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EP04014687A Division EP1464578B1 (en) 1999-12-01 2000-11-23 Machine for making tubular bags
EP04014688A Division EP1462364B2 (en) 1999-12-01 2000-11-23 Machine for making tubular bags

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EP1106508A1 true EP1106508A1 (en) 2001-06-13
EP1106508B1 EP1106508B1 (en) 2004-09-08

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EP00125666A Revoked EP1106508B1 (en) 1999-12-01 2000-11-23 Machine for making tubular bags
EP04014687A Revoked EP1464578B1 (en) 1999-12-01 2000-11-23 Machine for making tubular bags

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US (1) US6729112B2 (en)
EP (3) EP1462364B2 (en)
AT (3) ATE306420T1 (en)
DE (4) DE19957891A1 (en)
ES (3) ES2250945T5 (en)

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EP1462364A1 (en) 2004-09-29
ES2250945T5 (en) 2009-12-11
EP1462364B2 (en) 2009-07-22
ATE306420T1 (en) 2005-10-15
DE19957891A1 (en) 2001-06-07
US20010005979A1 (en) 2001-07-05
EP1464578B1 (en) 2005-06-29
ES2250945T3 (en) 2006-04-16
ATE298703T1 (en) 2005-07-15
EP1462364B1 (en) 2005-10-12
DE50007676D1 (en) 2004-10-14
ATE275499T1 (en) 2004-09-15
EP1464578A1 (en) 2004-10-06
DE50011347D1 (en) 2006-02-23
EP1106508B1 (en) 2004-09-08
ES2228384T3 (en) 2005-04-16
DE50010650D1 (en) 2005-08-04
ES2242176T3 (en) 2005-11-01

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