EP2498984B1 - Bottom-cover-sheet subassembly for periphery-free gluing - Google Patents
Bottom-cover-sheet subassembly for periphery-free gluing Download PDFInfo
- Publication number
- EP2498984B1 EP2498984B1 EP10773315.6A EP10773315A EP2498984B1 EP 2498984 B1 EP2498984 B1 EP 2498984B1 EP 10773315 A EP10773315 A EP 10773315A EP 2498984 B1 EP2498984 B1 EP 2498984B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- way
- transport cylinder
- cylinder
- transport
- 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.)
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Links
- 238000004026 adhesive bonding Methods 0.000 title description 2
- 239000000853 adhesive Substances 0.000 claims description 82
- 230000001070 adhesive effect Effects 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 76
- 238000000034 method Methods 0.000 claims description 7
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 28
- 238000005520 cutting process Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 241001080024 Telles Species 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
- B31B2150/0012—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing in the direction of movement
-
- 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
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- 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
- B31B2160/00—Shape of flexible containers
- B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
-
- 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
- B31B70/812—Applying patches, strips or strings on sheets or webs
- B31B70/8122—Applying patches
Definitions
- the invention relates to a device for adhering pieces of material to parts of bags or sacks according to the preamble of claim 1 and to a corresponding method according to the preamble of claim 12.
- Bags particularly block bottom bags with gussets
- a piece of tubing is conveyed to the bag in its longitudinal direction for processing.
- a bottom often a block or block bottom, formed.
- the layout DE 1 245 699 shows a complete device for the production of bags of web-shaped materials.
- Such bags are provided with bottom cover sheets to increase the stability of the soil.
- the bottom cover sheets can be designed so that the user of this bag is a carrying handle available.
- Such bags with differently designed cover sheets are in the DE 41 02 548 shown and described.
- the DE 1 245 699 indicates a device for sticking pieces of material on parts of bags or sacks.
- the device is called there cover sheet sticker. However, it is not described in detail in the cited document.
- Such device for adhering pieces of material initially comprises a provision device for providing pieces of material.
- This can be one Be magazine with which individual pieces of material, ie, for example, cover sheets, are provided as a stack.
- a separating device in which individual pieces of material can be separated from the roll.
- Such separating devices usually comprise a smooth-cutting or perforating knife with which separating cuts can be introduced into the material web.
- the singulator is designed so that it can remove a piece of material from the stack.
- the separated piece of material is taken over by a first transport cylinder which guides the piece of material past an adhesive application device.
- the piece of material provided with adhesive is then stickable to parts of bags or sacks, in practice usually the floors.
- the adhesive application device comprises an adhesive reservoir and an adhesive removal roller, which draws adhesive from the adhesive reservoir. Said roll then delivers the adhesive to an adhesive applicator roll.
- This roller carries a to be glued surface of the piece of material corresponding format piece, which is often referred to as a cliché. Only this format piece takes over the adhesive from the adhesive removal roller and transfers it to the meter slot.
- the object of the present invention is to propose an apparatus and a method for adhering pieces of material to parts of bags or sacks, which avoids the said and other disadvantages.
- the second format cylinder comprises a format part whose surface contour corresponds to the region of a material piece to be provided with adhesive and that the material piece rests on this format part during transport with the second transport cylinder.
- the problem described is now circumvented by the material piece is now raised above the outer surface by the format part on the outer surface of the second transport cylinder. If now the adhesive is applied by means of a roller, So this can only stick to the piece of material and does not reach the second transport cylinder. Thus, on the one hand pollution of the transport cylinder is avoided and on the other hand a more complete - a so-called borderless - adhesive application achieved. Especially the latter point is important if the bag is to be filled automatically in a filling device. In bags made in conventional devices, the bottom deck often has an edge that is not glued to the bag or bag. This edge can unfold in a filling device and then disturbs the proper transport of the bag through such a device. Machine downtime can not be ruled out in such cases. The device according to the invention can now be used to produce bags or sacks which can be transported more reliably in filling devices.
- the format part comprises recesses or depressions.
- the cover sheet is to comprise one or more carrying handles.
- Such carrying handles can be created by cutting the piece of material so that the subsequent user can reach under the area delimited by the cuts. Of course, these areas must not be coated with adhesive.
- the region of the later carrying handles can now be pulled slightly inwards as seen in the radial direction of the second transport roller, so that this area is not provided with adhesive.
- the piece of material can be held in different ways on the surface of the second transport cylinder.
- a practicable solution would be holding tongs or other mechanically acting devices. Magnetic or electrostatic forces would also be possible, depending on the material.
- the second transport cylinder comprises openings, which can be acted upon by negative pressure. This vacuum is sufficient to hold pieces of material of very different materials on the cylinder can.
- the openings not only with negative pressure, but also with overpressure can be acted upon.
- the piece of material can thus be sucked in with negative pressure or repelled with overpressure. The latter is advantageous at the moment when the piece of material is to be dispensed from the second transport cylinder and applied to the bag.
- the adhesive application roller needs, if the second transport roller carries a format part, itself no longer be subjected to a cliché. It is now sufficient to use an adhesive applicator roll, which has the same surface structure over the entire outer circumference. So it can be especially smooth. It is also advantageous if the adhesive application roller at least partially comprises a metal surface.
- an adhesive application device is provided, with which hot-melt adhesive, ie hot-melt adhesive, can be provided.
- hot-melt adhesive ie hot-melt adhesive
- the procedural advantages no drying of the adhesive to fear during breaks, no long drying time for glued together workpiece parts necessary
- plastic bags can be made in the same way. Also bags that include both paper and plastics are producible. In general, bags made of any materials can be produced with it.
- the adhesive application device by means of a parking device from an operating position in which adhesive can be applied to a piece of material, off, so that no contact with the piece of material, or if this is missing, can be produced with the format part.
- the parking device may comprise at least one compressed air cylinder.
- a first short stroke cylinder can be for a very fast Ensure that the adhesive applicator is stopped when a piece of material fails.
- the parking distance only needs to be a few millimeters.
- a Weithubzylinder can convey the adhesive applicator in a maintenance position, which may for example be several 10 cm above the operating position.
- Pneumatic cylinders are an example of suitable lifting devices. Other devices are equally applicable.
- the senor may provide its "observations" to a controller that actuates the shedder in the event of the absence of a portion of material.
- the adhesive application device comprises an adjusting device, with which the minimum radial position is adjustable relative to the second transport cylinder.
- Fig. 1 shows a device 1 for adhering pieces of material not shown on parts of bags 2.
- the bags are transported by means of a so-called storage cylinder 3, which has the task to a To put down finished bag 2 on a bag stack, not shown.
- the bag 2 is initially transported by the storage cylinder along a first pressure roller 4.
- This has the task, the bag bottom 5, which has just been formed in the previous steps, to press again to get the gluing of the piece of material (here: a ground cover sheet) as flat as possible.
- the bottom cover sheet provided by the second transport cylinder 6 and already provided with adhesive is accurately applied to this floor.
- the second transport cylinder can also be referred to as transfer cylinder 6.
- transfer cylinder 6 The operations required to provide the ground cover sheet are described below.
- the bag 2 is guided past a second pressure roller 7, which again presses the ground, so that the bottom cover sheet is as firmly as possible connected to the ground.
- the bottom cover sheets are provided in the form of a roll 8, from which the material web 9 is unwound.
- the web 9 passes through the nip of a punch 10.
- a first roller 11 carries one or more punching blades, a second roller 12 comprises a counter-layer. With this punch cuts can be introduced into the web 9, which later separate the carrying handles from the rest of the bottom cover sheet.
- the web 9 now passes through the nip of a feed roller pair 13. Subsequently, the web 9 reaches the peripheral surface of a cutting cylinder 14, which carries a cutting knife 15, usually in the form of a slitter knife.
- the knife 15 cooperates with the fixed counter blade 16 and separates individual pieces of material, the later ground cover sheets, from the material web 9.
- the cutting cylinder transports the so-isolated ground cover sheets on and therefore can also be referred to as the first transport cylinder 14.
- this is preferably designed as a suction cylinder. This means that this cylinder comprises on its peripheral surface openings which can be acted upon by negative pressure.
- the structure of the cutting cylinder 14 will be explained later with reference to the transfer cylinder 6, the advantageously has the same functionality with respect to the retention of the bottom cover sheet.
- the transfer cylinder is acted upon at the same time with a negative pressure, so that a secure transfer of the ground cover sheet comes about.
- the transfer cylinder 6 carries on its outer surface at least one format part 17. This is interchangeable and corresponds to the extent of the bottom cover sheet. After having been taken over by the cutting cylinder, the bottom cover sheet occupies exactly the format part 17.
- the format part 17 has through holes which correspond to the openings of the transfer cylinder 6 that can be subjected to negative pressure, so that a bottom cover sheet can be securely fixed to the format part 17 by the negative pressure.
- the bottom cover sheet is pressed by a pressure roller 18 against the format part 17, wherein not only the bottom cover sheet is again fixed on the format part 17 and smoothly painted, but the later grip strip is pressed slightly into an introduced into the format part recess.
- an adhesive application device 19 which comprises at least one glue reservoir 20 and an adhesive application roller 21.
- the adhesive applicator roll 21 can directly remove the adhesive from the reservoir. But it can also - as known - be provided an adhesive transfer roller, which takes over the task of adhesive removal and applies the adhesive to the adhesive applicator roll.
- the adhesive application roller 21 is positioned relative to the transfer cylinder so that they just rest on the raised areas of the format part 17 Touched parts of the bottom cover sheet and only provides these parts with adhesive.
- the negative pressure acting on the openings is switched off and an overpressure is switched on, so that the adherence of the bottom cover sheet to the bag 2 is still supported.
- a ground cover sheet is not transferred or at least not properly from the cutting cylinder 14 to the over-cylinder 6.
- a sensor 23 is provided which detects the presence or absence of a bottom cover sheet. The corresponding signals can now be processed by a control device (not shown). This can now cause a displacement of the adhesive application roller 21 in the direction of the double arrow 22. The shift takes place by means of a parking device, which on the basis of FIG. 2 will be explained.
- the adhesive reservoir 21 is displaceable along a rail 24 in the direction of the double arrow 22. It can also be provided a plurality of parallel rails. Preferably, two rails 21 are disposed at each end of the adhesive reservoir 21.
- the rails 24 are supported on brackets 25, which may be connected in a manner not shown to the machine frame.
- a stop 26 is supported on a bracket 25. This is adjustable so that the operating position in which the adhesive application roller 21 applies the adhesive to the ground cover sheet, is changeable.
- a pin 50 is shown, which is a portion 51 with a hexagonal plan, to which a wrench can engage, and a threaded portion 52 which is screwed into the bracket 25, is provided. By rotating the pin so its height and thus the operating position can be varied.
- a first piston-cylinder unit 26 which is designed as a quick-release cylinder unit. This is actuated by the control device when the absence of a bottom cover sheet has been detected by means of the sensor 23.
- a second piston-cylinder unit 27 is arranged on the console 25, which is designed as a Weithubzylinderü. With this cylinder unit 27, the displacement of the adhesive applicator 19 in a maintenance position is possible.
- FIG. 2 the outer surface 31 of the transfer cylinder 6 is shown. It can be seen that this comprises a plurality of openings 30.
- a disk 32 is arranged at least on one end side of the transfer cylinder 6 and does not rotate together with the transfer cylinder.
- This disc 32 comprises an overpressure port 33 and a vacuum port 34.
- overpressure and negative pressure mean that a fluid is provided which is exposed to a higher or a lower pressure relative to the ambient pressure.
- Preferred fluid is air, so that can be spoken of overpressure of compressed air and negative pressure of a vacuum.
- the transfer cylinder 6 has a comparatively thick jacket, which comprises a plurality of axial bores 35, which in turn may be configured as through-bores. Each of these axial bores 35 may communicate with a plurality of radial bores 30 that represent the openings 30. If individual openings 30 are not supposed to overlap with or negative pressure can be applied, 35 bolts 37 can be inserted in the corresponding axial bores, whose length is dimensioned so that the desired number of openings 30 is covered. In the FIG. 3 the open holes 35 are white and the holes sealed with bolts 37 shown in black.
- the disk 32 is shown in more detail.
- This comprises a circular arc-shaped recess 38 which communicates with the vacuum port.
- the radial position of the recess 38 is dimensioned so that it can communicate with the holes 35.
- the recess 38 includes, for example, an angle in a range of 200 to 270 degrees.
- a bore 35 which is located in this angular range, is subjected to negative pressure.
- the bore 35 leaves after a certain time the recess 38.
- the bore 35 reaches a second circular arc-shaped recess 39. This is supplied via the compressed air connection 33 with an overpressure, so that the overpressure now the bore 35th detected.
Landscapes
- Making Paper Articles (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Aufkleben von Materialstücken auf Teile von Beuteln oder Säcken nach dem Oberbegriff des Anspruchs 1 sowie ein entsprechendes Verfahren nach dem Oberbegriff des Anspruchs 12.The invention relates to a device for adhering pieces of material to parts of bags or sacks according to the preamble of
Solche Vorrichtungen und Verfahren werden bei der Herstellung von Beuteln oder Säcken schon seit vielen Jahren genutzt. Beutel, insbesondere Blockbodenbeutel mit Seitenfalten, werden oft im Längsverfahren hergestellt, bei dem ein Schlauchstück zur Verarbeitung zum Beutel in seiner Längsrichtung befördert wird. An dem voraus laufenden Ende des Schlauchstücks wird ein Boden, oft ein Klotz- oder Blockboden, angeformt. Die Auslegeschrift
Die
Solche Vorrichtung zum Aufkleben von Materialstücken umfasst zunächst eine Bereitstellungseinrichtung zur Bereitstellung von Materialstücken. Dies kann ein Magazin sein, mit welchem einzelne Materialstücke, also beispielsweise Deckblätter, als Stapel bereitstellbar sind. Häufig findet man jedoch Materialbahnrollen, von welchen einzelne Materialstücke abzutrennen sind. Dieses geschieht in einer Vereinzelungseinrichtung, in welcher einzelne Materialstücke von der Rolle abtrennbar sind. Solche Vereinzelungseinrichtungen umfassen zumeist ein Glattschnitt- oder Perforiermesser, mit welchen Trennschnitte in die Materialbahn einbringbar sind. Bei einzelnen, gestapelten Materialstücken ist die Vereinzelungseinrichtung so konzipiert, dass sie ein Materialstück vom Stapel entnehmen kann. Das vereinzelte Materialstück wird von einem ersten Transportzylinder übernommen, welcher das Materialstück an einer Klebstoffauftrageinrichtung vorbei führt. Das mit Klebstoff versehene Materialstück ist dann auf Teile von Beuteln oder Säcken, in der Praxis in der Regel die Böden, aufklebbar.Such device for adhering pieces of material initially comprises a provision device for providing pieces of material. This can be one Be magazine with which individual pieces of material, ie, for example, cover sheets, are provided as a stack. Often, however, one finds web rolls, of which individual pieces of material are to be separated. This takes place in a separating device in which individual pieces of material can be separated from the roll. Such separating devices usually comprise a smooth-cutting or perforating knife with which separating cuts can be introduced into the material web. For individual, stacked pieces of material, the singulator is designed so that it can remove a piece of material from the stack. The separated piece of material is taken over by a first transport cylinder which guides the piece of material past an adhesive application device. The piece of material provided with adhesive is then stickable to parts of bags or sacks, in practice usually the floors.
Die Klebstoffauftrageinrichtung umfasst dabei ein Klebstoffreservoir und eine Klebstoffentnahmewalze, welche Klebstoff aus dem Klebstoffreservoir schöpft. Die genannte Walze gibt den Klebstoff dann an eine Klebstoffauftragswalze ab. Diese Walze trägt ein der zu beleimenden Fläche des Materialstücks entsprechendes Formatstück, das oft auch als Klischee bezeichnet wird. Nur dieses Formatstück übernimmt den Klebstoff von der Klebstoffentnahmewalze und überträgt ihn auf das Meterlalstück.The adhesive application device comprises an adhesive reservoir and an adhesive removal roller, which draws adhesive from the adhesive reservoir. Said roll then delivers the adhesive to an adhesive applicator roll. This roller carries a to be glued surface of the piece of material corresponding format piece, which is often referred to as a cliché. Only this format piece takes over the adhesive from the adhesive removal roller and transfers it to the meter slot.
Da oft das für die Vereinzelung vorgesehene Schneidmesser in dem Trensportzylinder Integriert ist, ergibt sich das Problem der Verschmutzung durch den Klebstoff.Since often intended for the separation cutting blade is integrated in the Trensportzylinder, there is the problem of contamination by the adhesive.
Die Druckschrift
- ein zweiter Transportzylinder (6) vorgesehen ist, mit welchem die Materialstücke vom ersten Transportzylinder übernehmbar sind, und mit welchem die Materialstücke auf die Telle der Beutel (2) oder Säcke aufbringbar sind, und
- die Klebstoffauftrageinrichtung (19) mit dem zweiten Transportzylinder (6) zusammenwirkt, so dass Klebstoff auf das Materialstück auftragbar ist, wenn sich dieses auf dem zweiten Transportzylinder (6) befindet.
- a second transport cylinder (6) is provided, with which the pieces of material from the first transport cylinder can be taken over, and with which the pieces of material on the Telle the bag (2) or bags can be applied, and
- the adhesive application device (19) cooperates with the second transport cylinder (6), so that adhesive can be applied to the material piece when it is located on the second transport cylinder (6).
Für das Versehen mit Klebstoff und das Auftragen des Materialstücks auf die Beutel oder Säcke ist also eine zweite Transportwalze vorgesehen, die das Materialstück von der ersten Transportwalze übernimmt. Erst anschließend wird das Materialstück mit Klebstoff versehen. Auf diese Weise wird ein unvorhergesehener Klebstoffiübertrag auf die erste Transportwalze und damit auf die Schneidmesser oder andere Einrichtungen zur Vereinzelung vermieden.For the provision of adhesive and the application of the material piece to the bags or sacks so a second transport roller is provided, which takes over the piece of material from the first transport roller. Only then is the piece of material provided with adhesive. In this way, an unforeseen Klebstoffiübertrag on the first transport roller and thus on the cutting blade or other means for singling is avoided.
Es wurde jedoch festgestellt, dass ein vollflächiges Versehen des Materialstücks mit Klebstoff bei Vorrichtungen des Standes der Technik de facto nicht möglich ist. Entspricht nämlich das Klischee exakt der Kontur des zu beleimenden Materialstücks, so gelangt wegen des nötigen Anpressdrucks Klebstoff über die Ränder des Materialstücks hinaus, was zu den genannten Verechmutzungsproblemen führt. Eine sehr gut passende Verkleinerung des Klischees zur Vermeidung dieses Problems ist nicht oder nur sehr umständlich möglich.It has been found, however, that blanket bonding of the piece of material with adhesive is in fact not possible with prior art devices. If the cliché corresponds exactly to the contour of the piece of material to be glued, because of the necessary contact pressure, adhesive passes beyond the edges of the piece of material, which leads to the said anti-wear problems. A very well fitting reduction of the cliché to avoid this problem is not or only very cumbersome.
Die Aufgabe der vorliegenden Erfindung ist es, eine Vorrichtung und ein Verfahren zum Aufkleben von Materialstücken auf Teile von Beuteln oder Säcken vorzuschlagen, die oder das den genannten und auch weitere Nachteile vermeidet.The object of the present invention is to propose an apparatus and a method for adhering pieces of material to parts of bags or sacks, which avoids the said and other disadvantages.
Gemäß der Erfindung wird diese Aufgabe durch die Hinzufügung der Merkmale des Kennzeichens der Ansprüche 1 und 12 gelöst.According to the invention, this object is achieved by the addition of the features of the characterizing part of
Erfindungsgemäß ist vorgesehen, dass der zweite Formatzylinder ein Formatteil umfasst, dessen Oberflächenkontur dem mit Klebstoff zu versehenden Bereich eines Materialstücks entspricht und dass das Materialstück während des Transports mit dem zweiten Transportzylinder auf diesem Formatteil aufliegt.According to the invention, it is provided that the second format cylinder comprises a format part whose surface contour corresponds to the region of a material piece to be provided with adhesive and that the material piece rests on this format part during transport with the second transport cylinder.
Mit der Erfindung wird das beschriebene Problem nun umgangen, indem durch das Formatteil auf der Außenoberfläche des zweiten Transportzylinders das Materialstück nun gegenüber der Außenoberfläche erhaben angeordnet ist. Wird nun mittels einer Walze der Klebstoff aufgetragen, so kann dieser nur noch auf dem Materialstück haften bleiben und gelangt nicht auf den zweiten Transportzylinder. Damit wird einerseits eine Verschmutzung der Transportzylinder vermieden und andererseits ein vollständiger - ein so genannter randloser - Klebstoffauftrag erreicht. Besonders der letztgenannte Punkt ist wichtig, wenn der Beutel automatisch in einer Befüllvorrichtung befüllt werden soll. Bei in herkömmlichen Vorrichtungen hergestellten Beuteln verbleibt am Bodendeckblatt oft ein Rand, der nicht mit dem Beutel oder dem Sack verklebt ist. Dieser Rand kann sich in einer Befüllvorrichtung auffalten und stört dann den ordnungsgemäßen Transport des Sacks durch eine solche Vorrichtung. Maschinenstillstände sind in solchen Fällen nicht auszuschließen. Mit der erfindungsgemäßen Vorrichtung können nun Beutel oder Säcke produziert werden, die in Befülleinrichtungen zuverlässiger transportierbar sind.With the invention, the problem described is now circumvented by the material piece is now raised above the outer surface by the format part on the outer surface of the second transport cylinder. If now the adhesive is applied by means of a roller, So this can only stick to the piece of material and does not reach the second transport cylinder. Thus, on the one hand pollution of the transport cylinder is avoided and on the other hand a more complete - a so-called borderless - adhesive application achieved. Especially the latter point is important if the bag is to be filled automatically in a filling device. In bags made in conventional devices, the bottom deck often has an edge that is not glued to the bag or bag. This edge can unfold in a filling device and then disturbs the proper transport of the bag through such a device. Machine downtime can not be ruled out in such cases. The device according to the invention can now be used to produce bags or sacks which can be transported more reliably in filling devices.
In einer weiteren, vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass das Formatteil Aussparungen oder Vertiefungen umfasst. Diese Ausgestaltung ist vorteilhaft, wenn das Deckblatt einen oder mehrere Tragegriffe umfassen soll. Solche Tragegriffe können erzeugt werden, indem das Materialstück mit Schnitten versehen wird, so dass der spätere Nutzer unter den mit den Schnitten begrenzten Bereich hindurch greifen kann. Diese Bereiche dürfen selbstverständlich nicht mit Klebstoff beaufschlagt werden. Mit der oder den Aussparungen oder Vertiefungen in dem Formatteil kann der Bereich der späteren Tragegriffe nun in radialer Richtung der zweiten Transportwalze gesehen etwas nach innen gezogen werden, so dass dieser Bereich nicht mit Klebstoff versehen wird.In a further advantageous embodiment of the invention, it is provided that the format part comprises recesses or depressions. This embodiment is advantageous if the cover sheet is to comprise one or more carrying handles. Such carrying handles can be created by cutting the piece of material so that the subsequent user can reach under the area delimited by the cuts. Of course, these areas must not be coated with adhesive. With the recess or depressions in the format part, the region of the later carrying handles can now be pulled slightly inwards as seen in the radial direction of the second transport roller, so that this area is not provided with adhesive.
Das Materialstück kann auf unterschiedliche Arten auf der Oberfläche des zweiten Transportzylinders gehalten werden. Eine praktikable Lösung wären Haltezangen oder andere mechanisch wirkenden Einrichtungen. Auch magnetische oder elektrostatische Kräfte wären, je nach Material, möglich. Bevorzugt wird allerdings, dass der zweite Transportzylinder Öffnungen umfasst, welche mit Unterdruck beaufschlagbar sind. Dieser Unterdruck reicht aus, um Materialstücke aus höchst unterschiedlichen Materialien auf dem Zylinder halten zu können. Weiterhin kann vorgesehen sein, dass die Öffnungen nicht nur mit Unterdruck, sondern auch mit Überdruck beaufschlagbar sind. Das Materialstück kann also mit Unterdruck angesogen oder mit Überdruck abgestoßen werden. Letzteres ist in dem Moment vorteilhaft, wenn das Materialstück vom zweiten Transportzylinder abgegeben und auf den Beutel aufgetragen werden soll.The piece of material can be held in different ways on the surface of the second transport cylinder. A practicable solution would be holding tongs or other mechanically acting devices. Magnetic or electrostatic forces would also be possible, depending on the material. However, it is preferred that the second transport cylinder comprises openings, which can be acted upon by negative pressure. This vacuum is sufficient to hold pieces of material of very different materials on the cylinder can. Furthermore, it can be provided that the openings not only with negative pressure, but also with overpressure can be acted upon. The piece of material can thus be sucked in with negative pressure or repelled with overpressure. The latter is advantageous at the moment when the piece of material is to be dispensed from the second transport cylinder and applied to the bag.
Von Vorteil ist es, wenn sich zumindest ein Teil der Öffnungen durch das Formatteil fortsetzt, so dass ein Materialstück auch zuverlässig auf dem Formatteil haltbar ist.It is advantageous if at least a part of the openings continues through the format part, so that a piece of material can also be reliably retained on the format part.
Die Klebstoffauftragwalze braucht, wenn die zweite Transportwalze ein Formatteil trägt, selbst nicht mehr mit einem Klischee beaufschlagt zu werden. Es reicht nun, eine Klebstoffauftragswalze zu verwenden, die über den gesamten Außenumfang dieselbe Oberflächenstruktur aufweist. Sie kann also insbesondere glatt sein. Vorteilhaft ist auch, wenn die Klebstoffauftragswalze zumindest bereichsweise eine Metalloberfläche umfasst.The adhesive application roller needs, if the second transport roller carries a format part, itself no longer be subjected to a cliché. It is now sufficient to use an adhesive applicator roll, which has the same surface structure over the entire outer circumference. So it can be especially smooth. It is also advantageous if the adhesive application roller at least partially comprises a metal surface.
In einer bevorzugten Ausführungsform ist eine Klebstoffauftrageinrichtung vorgesehen, mit welcher Hotmelt-Klebstoff, also Schmelzklebstoff, bereitstellbar ist. Neben den verfahrenstechnischen Vorteilen (kein Eintrocknen des Klebstoffes in Betriebspausen zu befürchten, keine lange Trockenzeit für miteinander verklebte Werkstückteile notwendig) ist als Vorteil zu nennen, dass nun nicht mehr nur Papiermaterialien verklebt werden können. Nun können Kunststoffbeutel auf gleiche Art hergestellt werden. Auch Beutel, die sowohl Papier also auch Kunststoffe umfassen, sind produzierbar. Generell sind Beutel aus beliebigen Materialien damit herstellbar.In a preferred embodiment, an adhesive application device is provided, with which hot-melt adhesive, ie hot-melt adhesive, can be provided. In addition to the procedural advantages (no drying of the adhesive to fear during breaks, no long drying time for glued together workpiece parts necessary) is to be mentioned as an advantage that now not only paper materials can be glued. Now plastic bags can be made in the same way. Also bags that include both paper and plastics are producible. In general, bags made of any materials can be produced with it.
In einer vorteilhaften Ausgestaltung der Erfindung ist die Klebstoffauftrageinrichtung mittels einer Abstelleinrichtung aus einer Betriebsposition, in der Klebstoff auf ein Materialstück auftragbar ist, abstellbar, so dass kein Kontakt mit dem Materialstück, oder wenn dieses fehlt, mit dem Formatteil herstellbar ist. Auf diese Weise kann die unvorhergesehene Verschmutzung der Transportzylinder vermieden werden. Die Abstelleinrichtung kann dabei zumindest einen Druckluftzylinder umfassen. Vorteilhaft sind zwei derartige Zylinder. Ein erster Kurzhubzylinder kann für ein sehr schnelles Abstellen der Klebstoffauftrageinrichtung sorgen, wenn ein Materialstück ausbleibt. Die Abstellstrecke braucht nur wenige Millimeter zu betragen. Ein Weithubzylinder kann die Klebstoffauftrageinrichtung in eine Wartungsposition befördern, die sich beispielsweise mehrere 10 cm oberhalb der Betriebsposition befinden kann. Druckluftzylinder sind ein Beispiel für verwendbare Hubvorrichtungen. Andere Vorrichtungen sind ebenso einsetzbar.In an advantageous embodiment of the invention, the adhesive application device by means of a parking device from an operating position in which adhesive can be applied to a piece of material, off, so that no contact with the piece of material, or if this is missing, can be produced with the format part. In this way, the unforeseen contamination of the transport cylinder can be avoided. The parking device may comprise at least one compressed air cylinder. Advantageously, two such cylinders. A first short stroke cylinder can be for a very fast Ensure that the adhesive applicator is stopped when a piece of material fails. The parking distance only needs to be a few millimeters. A Weithubzylinder can convey the adhesive applicator in a maintenance position, which may for example be several 10 cm above the operating position. Pneumatic cylinders are an example of suitable lifting devices. Other devices are equally applicable.
Besonders vorteilhaft ist ein Sensor, mit dem das Vorhandensein oder das Fehlen eines Materialabschnitts feststellbar sind. Der Sensor kann seine "Beobachtungen" an eine Steuereinrichtung liefern, die im Falle des Ausbleibens eines Materialabschnitts die Abstelleinrichtung betätigt.Particularly advantageous is a sensor with which the presence or absence of a material section can be detected. The sensor may provide its "observations" to a controller that actuates the shedder in the event of the absence of a portion of material.
In einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass die Klebstoffauftrageinrichtung eine Einstelleinrichtung umfasst, mit welcher die minimale radiale Position relativ zum zweiten Transportzylinder einstellbar ist. Durch eine optimale Einstellung der Klebstoffauftragwalze relativ zum zweiten Transportzylinder kann der Klebstoffübertrag optimiert werden, so dass kein Klebstoff auf das Formatteil oder die zweite Transportwalze gelangt. Außerdem kann damit die auf das Materialstück zu übertragende Klebstoffmenge eingestellt werden.In a further embodiment of the invention it is provided that the adhesive application device comprises an adjusting device, with which the minimum radial position is adjustable relative to the second transport cylinder. By an optimal adjustment of the adhesive applicator roller relative to the second transport cylinder of the adhesive transfer can be optimized so that no adhesive reaches the format part or the second transport roller. In addition, it can be used to set the amount of adhesive to be transferred to the piece of material.
Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor.Further embodiments of the invention will become apparent from the description and the claims.
Die einzelnen Figuren zeigen:
- Fig. 1
- Seitenansicht einer erfindungsgemäßen Vorrichtung zum Aufkleben von Materialstücken
- Fig. 2
- Ansicht des Schnitts II-II in
Fig. 1 - Fig. 3
- Ansicht des Schnitts III- III in
Fig. 2 - Fig. 4
- Ansicht des Schnitts IV-IV in
Fig. 2
- Fig. 1
- Side view of a device according to the invention for adhering pieces of material
- Fig. 2
- View of the section II-II in
Fig. 1 - Fig. 3
- View of the section III-III in
Fig. 2 - Fig. 4
- View of the section IV-IV in
Fig. 2
Die Bodendeckblätter werden in Form eines Wickels 8 bereitgestellt, von dem die Materialbahn 9 abgewickelt wird. Die Bahn 9 durchläuft den Walzenspalt einer Stanze 10. Eine erste Walze 11 trägt dabei ein oder mehrere Stanzmesser, eine zweite Walze 12 umfasst eine Gegenlage. Mit dieser Stanze können Schnitte in die Materialbahn 9 eingebracht werden, die später die Tragegriffe von dem Rest des Bodendeckblatts trennen.The bottom cover sheets are provided in the form of a
Die Bahn 9 durchläuft nun den Walzenspalt eines Vorzugswalzenpaares 13. Anschließend gelangt die Bahn 9 auf die Umfangsfläche eines Schneidzylinders 14, der ein Trennmesser 15, in der Regel in Form eines Glattschnittmessers, trägt. Das Messer 15 wirkt mit dem festen Gegenmesser 16 zusammen und trennt einzelne Materialstücke, die späteren Bodendeckblätter, von der Materialbahn 9 ab. Der Schneidzylinder transportiert die so vereinzelten Bodendeckblätter weiter und kann daher auch als erster Transportzylinder 14 bezeichnet werden. Um das Bodendeckblatt auf dem Außenumfang des Schneidzylinders 14 halten zu können, ist dieser vorzugsweise als Saugzylinder ausgestaltet. Das bedeutet, dass dieser Zylinder an seiner Umfangsfläche Öffnungen umfasst, die mit Unterdruck beaufschlagbar sind. Der Aufbau des Schneidzylinders 14 wird später anhand des Übergabezylinders 6 erläutert, der in Bezug auf das Festhalten des Bodendeckblatts vorteilhafterweise dieselbe Funktionalität ausweist.The
Der Schneidzylinder 14 übergibt das vereinzelte Bodendeckblatt an den Übergabezylinder 6. Dazu werden die Öffnungen, die zuvor mit Unterdruck beaufschlagt wurden, nun mit einem Überdruck beaufschlagt, so dass der entsprechende Bereich des Bodendeckblatts vom Schneidzylinder 14 weg in Richtung des Übergabezylinders 6 gedrückt wird. Der Übergabezylinder wird zeitgleich mit einem Unterdruck beaufschlagt, so dass eine sichere Übergabe des Bodendeckblatts zustande kommt.For this purpose, the openings, which were previously subjected to negative pressure, now subjected to an overpressure, so that the corresponding area of the bottom cover sheet is pressed away from the cutting
Der Übergabezylinder 6 trägt auf seiner Außenoberfläche zumindest ein Formatteil 17. Dieses ist auswechselbar und entspricht der Ausdehnung des Bodendeckblatts. Das Bodendeckblatt belegt also nach seiner Übernahme von dem Schneidzylinder exakt das Formatteil 17. Das Formatteil 17 weist Durchgangsbohrungen auf, die mit den mit Unterdruck beaufschlagbaren Öffnungen des Übergabezylinders 6 korrespondieren, so dass ein Bodendeckblatt durch den Unterdruck sicher am Formatteil 17 fixierbar ist. Im weiteren Verlauf wird das Bodendeckblatt von einer Andrückwalze 18 gegen das Formatteil 17 gedrückt, wobei nicht nur das Bodendeckblatt nochmals auf dem Formatteil 17 fixiert und glatt gestrichen wird, sondern der spätere Griffstreifen etwas in eine in das Formatteil eingebrachte Vertiefung gedrückt wird. Auf die Vertiefung des Formatteils und dem Tieferhalten des Griffstreifens wird später noch etwas näher eingegangen. Nun liegen nur Bereiche des Bodendeckblatts, die nicht zum späteren Griffstreifen gehören, an exponierter Position, so dass nur diese Bereiche mit Klebstoff versehen werden. Dazu ist eine Klebstoffauftrageinrichtung 19 vorgesehen, die zumindest ein Leimreservoir 20 und eine Klebstoffauftragswalze 21 umfasst. Die Klebstoffauftragswalze 21 kann dabei direkt den Klebstoff aus dem Reservoir abnehmen. Es kann aber auch - wie bekannt - eine Klebstoffübertragungswalze vorgesehen sein, welche die Aufgabe der Klebstoffentnahme übernimmt und den Klebstoff auf die Klebstoffauftragswalze aufträgt. Die Klebstoffauftragswalze 21 ist relativ zum Übergabezylinder so positioniert, dass sie gerade die auf den erhabenen Bereichen des Formatteils 17 aufliegenden Teile des Bodendeckblatts berührt und nur diese Teile mit Klebstoff versieht. Es werden also weder die Umfangsfläche des Übergabezylinders 6 noch die tiefer liegenden Bereiche des Bodendeckblatts, also insbesondere der spätere Griffstreifen, mit Klebstoff bedeckt. Da hingegen die Klebstoffauftragswalze 21 auf den exponierten Bereichen des Bodendeckblatts abrollt, wird das Bodendeckblatt ohne Verbleib eines unbedeckten Bereiches mit Klebstoff bedeckt. Zur Positionsanpassung der Klebstoffauftragswalze 21 kann diese, vorteilhafterweise zusammen mit dem Klebstoffreservoir, in Richtung des Doppelpfeils 22 verschiebbar vorgesehen sein.The
Bei der Übergabe des Bodendeckblatts wird der auf die Öffnungen wirkende Unterdruck abgeschaltet und ein Überdruck zugeschaltet, so dass das Anhaften des Bodendeckblatts an dem Beutel 2 noch unterstützt wird.During the transfer of the bottom cover sheet, the negative pressure acting on the openings is switched off and an overpressure is switched on, so that the adherence of the bottom cover sheet to the
Es kann vorkommen, dass ein Bodendeckblatt nicht oder zumindest nicht richtig vom Schneidzylinder 14 an den Überzylinder 6 übergeben wird. Um nun zu verhindern, dass die Klebstoffauftragswalze 21 mit dem Formatteil 17 in Kontakt kommt, ist ein Sensor 23 vorgesehen, der das Vorhandensein oder das Fehlen eines Bodendeckblatts detektiert. Die entsprechenden Signale können nun von einer Steuervorrichtung (nicht gezeigt) verarbeitet werden. Diese kann nun eine Verschiebung der Klebstoffauftragswalze 21 in Richtung des Doppelpfeils 22 veranlassen. Die Verschiebung erfolgt mittels einer Abstelleinrichtung, welche anhand der
In der
Auf der Konsole 25 stützt sich weiterhin eine erste Kolbenzylindereinheit 26 ab, die als Schnellhubzylindereinheit ausgestaltet ist. Diese wird durch die Steuereinrichtung betätigt, wenn mithilfe des Sensors 23 das Fehlen eines Bodendeckblatts festgestellt wurde. Außerdem ist eine zweite Kolbenzylindereinheit 27 auf der Konsole 25 angeordnet, welche als Weithubzylindereinheit ausgestaltet ist. Mit dieser Zylindereinheit 27 ist das Verschieben der Klebstoffauftragvorrichtung 19 in eine Wartungsposition möglich.On the
In der
In der
In der
Claims (11)
- Apparatus for adhesively bonding material pieces (1) onto parts of bags (2) or sacks, comprising:- a supply device, by way of which contiguous material pieces can be supplied,- a separating device, by way of which individual material pieces can be supplied,- a first transport cylinder, by way of which separated material pieces can be transported further,- an adhesive application device (19), by way of which adhesive can be applied to in each case one material piece,a second transport cylinder (6) being provided, by way of which the material pieces can be accepted from the first transport cylinder, and by way of which the material pieces can be applied to the parts of the bags (2) or sacks, and the adhesive application device (19) interacting with the second transport cylinder (6), with the result that adhesive can be applied to the material piece when the latter is situated on the second transport cylinder (6),
characterized
in that the second transport cylinder (6) comprises at least one format part (17), the surface contour of which corresponds to that region of a material piece to be provided with adhesive, and
in that, during the transport by way of the second transport cylinder (6), the material piece rests on the said format part. - Apparatus according to the preceding claim,
characterized in that
the format part comprises cut-outs or depressions (38, 39). - Apparatus according to one of the preceding claims,
characterized in that
the second transport cylinder (6) comprises openings (30) in its circumferential wall, which openings (30) can be loaded with vacuum, with the result that the material piece can be held on the transport cylinder. - Apparatus according to one of the three preceding claims,
characterized in that
at least some of the openings (30) continue through the format part. - Apparatus according to one of the preceding claims,
characterized in that
hot-melt adhesive can be supplied by way of the adhesive application device (19). - Apparatus according to one of the preceding claims,
characterized in that
the adhesive application device (19) comprises an adhesive application roller (21), by way of which the adhesive can be applied to a material piece, the adhesive application roller (21) comprising a metal surface at least in regions. - Apparatus according to one of the two preceding claims,
characterized in that
the adhesive application device (19) can be set away from the second transport roller (6) from an operating position by way of a disengagement device. - Apparatus according to the preceding claim,
characterized in that
the disengagement device comprises at least one pneumatic cylinder. - Apparatus according to one of the preceding claims,
characterized in that
a sensor (23) is provided, by way of which the presence or the absence of a material section can be determined, with the result that the disengagement device can be actuated if a material section is absent. - Apparatus according to one of the preceding claims,
characterized in that
the adhesive application device (19) comprises a setting device, by way of which the minimum radial position relative to the second transport cylinder (6) can be set. - Method for adhesively bonding material pieces to parts of bags (2) or sacks, in which method- contiguous material pieces are supplied by way of a supply device,- individual material pieces are supplied by a separating device,- the separated material pieces are transported further by way of a first transport cylinder,- adhesive is applied to in each case one material piece by way of an adhesive application device (19),the material pieces being accepted from a second transport cylinder (6) and being applied to the parts of the bags (2) or sacks, and
adhesive being applied to the material piece by way of the adhesive application device (19) when the said material piece is situated on the second transport cylinder (6),
characterized
in that the second transport cylinder (6) comprises at least one format part (17), the surface contour of which corresponds to that region of a material piece to be provided with adhesive, and
in that, during the transport by way of the second transport cylinder (6), the material piece rests on the said format part.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009046537A DE102009046537B4 (en) | 2009-11-09 | 2009-11-09 | Ground cover sheet aggregate for borderless gluing |
PCT/EP2010/066645 WO2011054824A1 (en) | 2009-11-09 | 2010-11-02 | Bottom-cover-sheet subassembly for periphery-free gluing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2498984A1 EP2498984A1 (en) | 2012-09-19 |
EP2498984B1 true EP2498984B1 (en) | 2013-10-23 |
Family
ID=43431178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10773315.6A Active EP2498984B1 (en) | 2009-11-09 | 2010-11-02 | Bottom-cover-sheet subassembly for periphery-free gluing |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2498984B1 (en) |
DE (1) | DE102009046537B4 (en) |
ES (1) | ES2443227T3 (en) |
WO (1) | WO2011054824A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUB20160908A1 (en) * | 2016-02-19 | 2017-08-19 | Roberto Peano | PERFECT MACHINE FOR THE MANUFACTURE OF A THIN SHEET PACKAGING |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US752360A (en) * | 1904-02-16 | Carpet-fastener | ||
BE489863A (en) * | ||||
DE646902C (en) * | 1929-08-13 | 1937-06-23 | Verpackungsbedarf G M B H | Device for the production of cross-bottom valve bags with reinforcement strips |
DE1245699B (en) * | 1959-06-01 | 1967-07-27 | Fischer & Krecke O H G | Method and machine for the production of carrier bags which lie flat in the folded state and are provided with gussets and a block bottom, made of paper or a similar material |
DE4102548A1 (en) | 1991-01-29 | 1992-07-30 | Kochsiek Maschinenbau Soltau G | Side-folded bag for tubing - has base of folded material, and connecting strips |
-
2009
- 2009-11-09 DE DE102009046537A patent/DE102009046537B4/en not_active Expired - Fee Related
-
2010
- 2010-11-02 EP EP10773315.6A patent/EP2498984B1/en active Active
- 2010-11-02 ES ES10773315.6T patent/ES2443227T3/en active Active
- 2010-11-02 WO PCT/EP2010/066645 patent/WO2011054824A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2498984A1 (en) | 2012-09-19 |
DE102009046537A1 (en) | 2011-05-12 |
DE102009046537B4 (en) | 2012-07-05 |
ES2443227T3 (en) | 2014-02-18 |
WO2011054824A1 (en) | 2011-05-12 |
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