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EP2014457B1 - Tube forming equipment to form a tube of at least one material web - Google Patents

Tube forming equipment to form a tube of at least one material web Download PDF

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Publication number
EP2014457B1
EP2014457B1 EP08159948A EP08159948A EP2014457B1 EP 2014457 B1 EP2014457 B1 EP 2014457B1 EP 08159948 A EP08159948 A EP 08159948A EP 08159948 A EP08159948 A EP 08159948A EP 2014457 B1 EP2014457 B1 EP 2014457B1
Authority
EP
European Patent Office
Prior art keywords
glue
tube
forming device
glue application
application disc
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.)
Not-in-force
Application number
EP08159948A
Other languages
German (de)
French (fr)
Other versions
EP2014457A1 (en
Inventor
Ralf Fangmeier
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of EP2014457A1 publication Critical patent/EP2014457A1/en
Application granted granted Critical
Publication of EP2014457B1 publication Critical patent/EP2014457B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/16—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length only at particular parts of the work
    • B05C1/165—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length only at particular parts of the work using a roller or other rotating member which contacts the work along a generating line
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2170/00—Construction of flexible containers
    • 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
    • B31B2170/00—Construction of flexible containers
    • B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
    • 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
    • B31B70/628—Applying glue on moving webs to form tubular webs

Definitions

  • the invention relates to a hose forming device for forming a hose from at least one material web according to the preamble of claim 1.
  • hose machine In a hose machine according to the DE 44 01 723 are formed from one or more material webs hose sections, in which initially the webs of unwinds wound, perforated and placed one above the other.
  • the material webs are usually made of paper, but also plastic material webs can be inserted. In multilayer webs formed in this way, these layers can be arranged laterally offset.
  • the multi-layered web formed in this way is merged in the further course of the further production process by means of guide devices to form a hose, so that subsequently parts of the side regions of the webs overlap.
  • each layer comes into contact with itself.
  • glue-dispensing devices are provided in hose-forming devices, which generally comprise glue-applying disks.
  • This glue application disc transfers the glue, which is provided in a glue reservoir and applied directly or via suitable transfer means, such as a scoop roller, to the peripheral surface of the glue application disc on at least one side of the side region of the material web to be bonded. If multi-layer webs are to be glued, several glue application disks are usually arranged in parallel in order to be able to provide each layer with a corresponding glue application.
  • glue application disc apparently only comprises such rotating elements, the axial extent of which is smaller than the radial diameter, in the context of this application, rollers or rollers are also to be regarded as glue application discs whose axial extent is greater than the radial diameter.
  • the glue for the longitudinal adhesive seam is removed from the peripheral surface of the glue application disc. This creates on this glue residue at the seam of the circumferential and end face, which hardens during further operation of the machine, the glue, cumulative and thereby forms a wider peripheral surface, which in turn is responsible for a wider glue trace on the longitudinal adhesive seam.
  • the glue line is wider than the overlap region of the webs, so that adhesive edges occur on the finished tube, the further processing of the hose, z.
  • the glue application disc usually had to be cleaned manually, so that the resulting maintenance and labor costs caused a standstill of the machine.
  • the object of the present invention is therefore to reduce the maintenance of the hose forming device and thus to shorten the downtime of the machine.
  • a hose forming device comprising the characterizing features of claim 1. Accordingly, it is provided that at least one end face of the glue application disc comprises on its surface a material to which the glue adheres worse than on the peripheral surface of the glue application disc. It is thus provided that one of, preferably both, end faces of the glue application disc is designed such that the adhesion coefficient for the glue is less than the coefficient of adhesion of the peripheral surface.
  • the glue which is transferred, for example by means of a scoop roller on the glue application disc, only taken from the peripheral surface of the disc and no longer or at least greatly reduced by the end faces and / or the transition areas (seam) between the peripheral surface and end faces.
  • the glue application disc thus carries only as much glue as is removed from the webs to be glued, so that the areas of the glue application disc after contact with the glueing train no longer carries glue. So there are no glue residues that form a germ for a Leimkumulation and thus for a broadened Leimspur.
  • a hose forming device according to the invention therefore no longer needs to be cleaned as often as those of the prior art.
  • the downtime can be shortened and the productivity of the hose forming device can be significantly increased.
  • a glue application disc it is provided to apply such a material after the production of the glue application disc as a coating on the relevant end face of the glue application disc. Due to the separate application of the desired material, a glue application disc can be produced inexpensively, whereby the special properties of the glue used can be taken into account.
  • glues are generally processed water-based, so that in a particularly preferred embodiment of the invention, the material is hydrophobic.
  • Plastic is chosen as the material. Plastics are inexpensive, easy to process and are often characterized by a strong hydrophobicity.
  • the material which is encompassed by the surface of the end face of the glue application disc comprises at least one fluorine-containing material, such as fluoropolymers and / or fluorinated copolymers, preferably polytetrafluoroethylene, which is known as "Teflon".
  • fluorine-containing material such as fluoropolymers and / or fluorinated copolymers, preferably polytetrafluoroethylene, which is known as "Teflon”.
  • Teflon polytetrafluoroethylene
  • the material may comprise a fluoroelastomer.
  • the material may also comprise ceramic materials, which are characterized by a high resistance to a possible mechanical treatment, so that damage to the material can be avoided even during cleaning work.
  • the material comprises a lacquer which can be applied particularly easily to the at least one end face of the glue application disc.
  • the adhesion of the glue is not only influenced by the type of material, but may also depend on the nature, for example the surface properties. Thus, a certain roughness of the surface may cause glue to adhere to this surface particularly badly. For example, it may be advantageous to provide a roughness depth of 1 micron ( ⁇ m) when using plastic materials.
  • Fig.1 a schematic side view of a hose machine for the production of so-called satchel sacks.
  • the apparent from this hose machine consists of, for example, three unwinding points not shown, in which successively arranged paper rolls 1,2,3 are held, of which flat paper webs 4,5,6 are withdrawn via guide rollers and unwinding and / or deduction facilities.
  • three perforating cylinders 8, 9, 10, preferably provided with their own drives, are mounted in a perforating station, their perforating knives 11 cooperating with counterblade cylinders 8 ', 9', 10 '.
  • the transverse adhesive strips provided the paper webs 5 and 6 with transverse adhesive orders.
  • the transverse adhesive strips 14 of the transverse adhesive cylinders 12, 13 receive their adhesive jobs in the usual way of adhesive application rollers.
  • the paper webs 4, 5, 6 are brought together for their bonding to form a multilayer web.
  • An edge region of the web, on which the individual webs are laterally offset from one another, is provided with a glue application 16 which forms the subsequent longitudinal seam by means of a glue applicator disk 16 which is provided with recesses 17 which ensure that they are provided with transverse perforations Edge regions of the multilayer paper web are not provided with adhesive jobs.
  • the longitudinal adhesive segments lying between the recesses 17 and the longitudinal adhesive segment of the longitudinal adhesive rollers receive their adhesive applications in the usual way from an adhesive application roller or scoop roller, not shown. Since the individual layers are offset laterally, it may be provided to use a plurality of glue application disks 16 arranged parallel to one another.
  • the prepared in the manner described, multi-layer paper web is then folded in a tube forming device 18 to form a tube, wherein the respective overlap-free edge regions of the individual layers stick together.
  • the bonding takes place, as already described, via a longitudinal adhesive roller or a plurality of longitudinal adhesive rollers 16.
  • the tear-off station 19 the individual tube sections 20 are then torn off the paper tube.
  • the tear-off station is standard Abrmonywerk provided, which consists of two rollers driven at different peripheral speed, of which the front forms a holding roller and the rear a tear-off roller, wherein in time with the tearing of the individual sections 20 by a cammed roller 21 in a movable support mounted counter-rollers to the Holding and Abr constituwalzen be pressed.
  • Fig.2 the glue application device is shown separately.
  • the scoop roller 23 removes adhesive from the glue trough 25.
  • the amount of the adhesive can be adjusted by means of a metering roller 24, which can be moved relative to the scoop roller 23 for this purpose.
  • the adhesive transferred from the scoop roller 23 to the glue application disc 16 is applied by the latter to the merged edge regions of the pulp webs.
  • the recesses 17 in the glue application disc 16 serve to keep the perforations, for the production of individual tube sections, free of adhesive.
  • doctor blades which may be provided, for example, to remove laterally adhering to the glue applicator glue.
  • doctor blades can solve the above-mentioned problem, but lead to wear of the doctor blade and / or glue application disc and thus do not convincingly solve the problem. Further doctor blades may be provided to limit the thickness of the glue layer on the peripheral surface of the glue application disc.
  • the Fig. 3 again shows the glue application roller 16 in a perspective view, in which the peripheral surface 27 and one of the two end faces 26 can be seen.
  • the end surface may comprise a material to which the glue adheres worse than on the peripheral surface 27. This material may be limited to an annular surface 28 which directly adjacent to the peripheral surface 27 (see Fig. 4 ).

Landscapes

  • Coating Apparatus (AREA)
  • Making Paper Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

Device for producing a tubing comprises an adhesive application disk having a face made from a material on which the glue hardly adheres compared with the peripheral surface of the disk.

Description

Die Erfindung betrifft eine Schlauchbildungseinrichtung zum Bilden eines Schlauches aus zumindest einer Materialbahn nach dem Oberbegriff des Anspruchs 1.The invention relates to a hose forming device for forming a hose from at least one material web according to the preamble of claim 1.

In der Offenlegungsschrift DE 44 01 723 wird vom Anmelder eine Schlauchmaschine beschrieben, die die eingangs erwähnte Schlauchbildungseinrichtung offenbart.In the published patent application DE 44 01 723 The applicant describes a hose machine which discloses the hose-forming device mentioned in the introduction.

In einer Schlauchmaschine gemäß der DE 44 01 723 werden aus einer oder mehreren Materialbahnen Schlauchabschnitte gebildet, in dem zunächst die Materialbahnen von Wickeln abgewickelt, perforiert und übereinander gelegt werden. Die Materialbahnen bestehen in der Regel aus Papier, wobei jedoch auch Materialbahnen aus Kunststoff eingelegt werden können. Bei derartig gebildeten mehrlagigen Bahnen können diese Lagen seitlich versetzt angeordnet sein.In a hose machine according to the DE 44 01 723 are formed from one or more material webs hose sections, in which initially the webs of unwinds wound, perforated and placed one above the other. The material webs are usually made of paper, but also plastic material webs can be inserted. In multilayer webs formed in this way, these layers can be arranged laterally offset.

Die derart gebildete mehrlagige Bahn wird im weiteren Verlauf des weiteren Herstellungsprozesses mittels Führungseinrichtungen zu einem Schlauch zusammengelegt, so dass anschließend sich Teile der Seitenbereiche der Bahnen überlappen. Bei seitlich versetzten, mehrlagigen Bahnen kommt dabei jede Lage mit sich selbst in Berührung.The multi-layered web formed in this way is merged in the further course of the further production process by means of guide devices to form a hose, so that subsequently parts of the side regions of the webs overlap. In laterally offset, multilayer webs, each layer comes into contact with itself.

Um nun eine dauerhafte Verbindung der Seitenbereiche der Materialbahn oder der einzelnen Lagen zu erzeugen, werden die sich später überlappenden Seitenbereiche noch vor der Zuführung zu den Führungseinrichtungen zumindest einseitig mit Leim beaufschlagt. Zu diesem Zweck sind in Schlauchbildungseinrichtungen Leimauftragsvorrichtungen vorgesehen, die in der Regel Leimauftragsscheiben umfassen. Diese Leimauftragsscheibe überträgt den Leim, der in einem Leimreservoir bereitgestellt und direkt oder über geeignete Übertragungsmittel, wie beispielsweise eine Schöpfwalze, auf die Umfangsfläche der Leimauftragsscheibe aufgetragen wird, auf zumindest eine Seite des zu verklebenden Seitenbereichs der Materialbahn. Sind mehrlagige Bahnen zu verkleben, sind in der Regel auch mehrere Leimauftragsscheiben parallel angeordnet, um jede Lage mit einem entsprechenden Leimauftrag versehen zu können.In order to produce a permanent connection of the side regions of the material web or of the individual layers, the laterally overlapping side regions are then subjected to at least one side of the glue before being fed to the guide devices. For this purpose, glue-dispensing devices are provided in hose-forming devices, which generally comprise glue-applying disks. This glue application disc transfers the glue, which is provided in a glue reservoir and applied directly or via suitable transfer means, such as a scoop roller, to the peripheral surface of the glue application disc on at least one side of the side region of the material web to be bonded. If multi-layer webs are to be glued, several glue application disks are usually arranged in parallel in order to be able to provide each layer with a corresponding glue application.

Auch wenn der Begriff Leimauftragsscheibe scheinbar nur solche rotierenden Elemente umfasst, deren axiale Ausdehnung kleiner ist als der radiale Durchmesser, so sind im Rahmen dieser Anmeldung auch Rollen oder Walzen als Leimauftragsscheiben anzusehen, deren axiale Ausdehnung größer ist als der radiale Durchmesser.Even if the term glue application disc apparently only comprises such rotating elements, the axial extent of which is smaller than the radial diameter, in the context of this application, rollers or rollers are also to be regarded as glue application discs whose axial extent is greater than the radial diameter.

Der Leim für die Längsklebenaht wird von der Umfangsfläche der Leimauftragsscheibe abgenommen. Dabei entstehen auf dieser Leimrückstände an der Nahtstelle der Umfangs- und Stirnfläche, wobei während des weiteren Betriebes der Maschine der Leim aushärtet, kumuliert und sich dadurch eine breitere Umfangsfläche bildet, die wiederum für eine breitere Leimspur auf der Längsklebenaht verantwortlich ist. Nach einiger Zeit wird die Leimspur breiter als der Überlappungsbereich der Materialbahnen, so dass am fertigen Schlauch Kleberänder auftreten, die die weitere Bearbeitung des Schlauches, z. B. zu einzelnen Schlauchabschnitten zu Papier- oder Kunststoffsäcken, erschweren, das Produkt unbrauchbar machen und/oder die Maschine verschmutzen. Daher musste in der Vergangenheit die Leimauftragsscheibe in der Regel manuell gereinigt werden, so dass durch den dadurch resultierenden Wartungs- und Arbeitsaufwand ein Stillstand der Maschine verursacht wird.The glue for the longitudinal adhesive seam is removed from the peripheral surface of the glue application disc. This creates on this glue residue at the seam of the circumferential and end face, which hardens during further operation of the machine, the glue, cumulative and thereby forms a wider peripheral surface, which in turn is responsible for a wider glue trace on the longitudinal adhesive seam. After some time, the glue line is wider than the overlap region of the webs, so that adhesive edges occur on the finished tube, the further processing of the hose, z. As to individual hose sections to paper or plastic bags, make it difficult to make the product and / or pollute the machine. Therefore, in the past, the glue application disc usually had to be cleaned manually, so that the resulting maintenance and labor costs caused a standstill of the machine.

Die Aufgabe der vorliegenden Erfindung ist es daher, den Wartungsaufwand der Schlauchbildungseinrichtung zu verringern und damit die Stillstandzeiten der Maschine zu verkürzen.The object of the present invention is therefore to reduce the maintenance of the hose forming device and thus to shorten the downtime of the machine.

Die Aufgabe wird gelöst durch eine Schlauchbildungseinrichtung, die die kennzeichnenden Merkmale des Anspruchs 1 umfasst. Demnach ist vorgesehen, dass zumindest eine Stirnfläche der Leimauftragsscheibe auf ihrer Oberfläche ein Material umfasst, an welchem der Leim schlechter haftet als auf der Umfangsfläche der Leimauftragsscheibe. Es ist also vorgesehen, dass eine der, vorzugsweise beide, Stirnflächen der Leimauftragsscheibe so ausgestaltet wird, dass der Haftungskoeffizient für den Leim geringer ist als der Haftungskoeffizient der Umfangsfläche.The object is achieved by a hose forming device comprising the characterizing features of claim 1. Accordingly, it is provided that at least one end face of the glue application disc comprises on its surface a material to which the glue adheres worse than on the peripheral surface of the glue application disc. It is thus provided that one of, preferably both, end faces of the glue application disc is designed such that the adhesion coefficient for the glue is less than the coefficient of adhesion of the peripheral surface.

Auf diese Weise wird der Leim, der beispielsweise mittels einer Schöpfwalze auf die Leimauftragsscheibe übertragen wird, nur von der Umfangsfläche der Scheibe mitgenommen und nicht mehr oder zumindest in stark verringertem Maße von den Stirnflächen und/oder den Übergangsbereichen (Naht) zwischen Umfangsfläche und Stirnflächen. Die Leimauftragsscheibe trägt also nur noch so viel Leim, wie von den zu beleimenden Bahnen abgenommen wird, so dass die Bereiche der Leimauftragsscheibe nach dem Kontakt mit der zu beleimenden Bahn keinen Leim mehr trägt. Es verbleiben also keine Leimreste, die einen Keim für eine Leimkumulation und damit für eine verbreiterte Leimspur bilden.In this way, the glue, which is transferred, for example by means of a scoop roller on the glue application disc, only taken from the peripheral surface of the disc and no longer or at least greatly reduced by the end faces and / or the transition areas (seam) between the peripheral surface and end faces. The glue application disc thus carries only as much glue as is removed from the webs to be glued, so that the areas of the glue application disc after contact with the glueing train no longer carries glue. So there are no glue residues that form a germ for a Leimkumulation and thus for a broadened Leimspur.

Eine erfindungsgemäße Schlauchbildungseinrichtung braucht somit nicht mehr so häufig gereinigt werden wie solche des Standes der Technik. Die Stillstandszeiten können so verkürzt und die Produktivität der Schlauchbildungseinrichtung deutlich erhöht werden.A hose forming device according to the invention therefore no longer needs to be cleaned as often as those of the prior art. The downtime can be shortened and the productivity of the hose forming device can be significantly increased.

In besonders bevorzugter Ausgestaltung ist vorgesehen, ein solches Material nach der Herstellung der Leimauftragsscheibe als Beschichtung auf die betreffende Stirnfläche der Leimauftragsscheibe aufzutragen. Durch den separaten Auftrag des gewünschten Materials lässt sich eine Leimauftragsscheibe kostengünstig herstellen, wobei auf die speziellen Eigenschaften des verwendeten Leims Rücksicht genommen werden kann.In a particularly preferred embodiment, it is provided to apply such a material after the production of the glue application disc as a coating on the relevant end face of the glue application disc. Due to the separate application of the desired material, a glue application disc can be produced inexpensively, whereby the special properties of the glue used can be taken into account.

Im Bereich der Papierschlauchherstellung werden in der Regel Leime auf Wasserbasis verarbeitet, so dass in einer besonders bevorzugten Ausgestaltung der Erfindung das Material hydrophob ist.In the field of paper tube production glues are generally processed water-based, so that in a particularly preferred embodiment of the invention, the material is hydrophobic.

Vorteilhaft ist es dabei, wenn als Material Kunststoff gewählt wird. Kunststoffe sind kostengünstig, lassen sich leicht verarbeiten und zeichnen sich oft durch eine starke Hydrophobie aus.It is advantageous if plastic is chosen as the material. Plastics are inexpensive, easy to process and are often characterized by a strong hydrophobicity.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung umfasst das Material, welches von der Oberfläche der Stirnfläche der Leimauftragsscheibe umfasst wird, zumindest ein fluorhaltiges Material, wie Fluorpolymere und/oder fluorierte Copolymere, bevorzugt Polytetrafluorethylen, welches als "Teflon" bekannt ist. Diese Materialien zeichnen sich dadurch aus, dass sie besonders hydrophob sind und sich zudem hinsichtlich des gewünschten Grades der Hydrophobie einstellen lassen. Dies geschieht durch geeignete Beschichtungsverfahren und/oder Behandlungsverfahren der bereits aufgetragenen Beschichtung.In a further advantageous embodiment of the invention, the material which is encompassed by the surface of the end face of the glue application disc comprises at least one fluorine-containing material, such as fluoropolymers and / or fluorinated copolymers, preferably polytetrafluoroethylene, which is known as "Teflon". These materials are characterized in that they are particularly hydrophobic and can also be adjusted to the desired degree of hydrophobicity. This is done by suitable coating methods and / or treatment methods of the already applied coating.

In einem bevorzugten Ausführungsbeispiel kann das Material ein Fluoroelastomer umfassen.In a preferred embodiment, the material may comprise a fluoroelastomer.

In einer anderen bevorzugten Ausführungsform der Erfindung kann das Material auch keramische Materialien umfassen, welche sich hinsichtlich einer möglichen mechanischen Behandlung durch eine hohe Widerstandsfähigkeit auszeichnen, so dass auch bei Reinigungsarbeiten Beschädigungen des Materials vermeidbar sind.In another preferred embodiment of the invention, the material may also comprise ceramic materials, which are characterized by a high resistance to a possible mechanical treatment, so that damage to the material can be avoided even during cleaning work.

In einer weiteren vorteilhaften Ausführungsform der Erfindung umfasst das Material einen Lack, welcher sich besonders einfach auf die zumindest eine Stirnseite der Leimauftragsscheibe auftragen lässt.In a further advantageous embodiment of the invention, the material comprises a lacquer which can be applied particularly easily to the at least one end face of the glue application disc.

Die Haftung des Leims wird nicht nur von der Materialart beeinflusst, sondern kann auch von der Beschaffenheit, beispielsweise den Oberflächeneigenschaften, abhängen. So kann eine bestimmte Rauigkeit der Oberfläche dazu führen, dass Leim besonders schlecht an dieser Oberfläche haftet. So kann es beispielsweise vorteilhaft sein, bei der Verwendung von Kunststoffmaterialien eine Rautiefe von 1 Mikrometer (µm) vorzusehen.The adhesion of the glue is not only influenced by the type of material, but may also depend on the nature, for example the surface properties. Thus, a certain roughness of the surface may cause glue to adhere to this surface particularly badly. For example, it may be advantageous to provide a roughness depth of 1 micron (μm) when using plastic materials.

Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnung näher erläutert.Embodiments of the invention are explained below with reference to the drawing.

Die einzelnen Figuren zeigen:

Fig. 1
eine schematische Seitenansicht einer Schlauchmaschine zur Herstellung von Schlauchabschnitten, welche eine erfindungsgemäße Schlauchbildungseinrichtung umfasst.
Fig. 2
eine schematische Ansicht einer Leimauftragsvorrichtung
Fig. 3
eine perspektivische Ansicht einer Leimauftragsscheibe
The individual figures show:
Fig. 1
a schematic side view of a hose machine for the production of hose sections, which comprises a hose forming device according to the invention.
Fig. 2
a schematic view of a glue application device
Fig. 3
a perspective view of a glue application disc

Fig.1 eine schematische Seitenansicht einer Schlauchmaschine zur Herstellung so genannter Staffelsäcke. Die daraus ersichtliche Schlauchmaschine besteht aus beispielsweise drei nicht näher dargestellten Abwicklungsstellen, in denen hintereinander angeordnete Papierrollen 1,2,3 gehaltert sind, von denen über Leitrollen und Abwickel- und/oder Abzugseinrichtungen flache Papierbahnen 4,5,6 abgezogen werden. Fig.1 a schematic side view of a hose machine for the production of so-called satchel sacks. The apparent from this hose machine consists of, for example, three unwinding points not shown, in which successively arranged paper rolls 1,2,3 are held, of which flat paper webs 4,5,6 are withdrawn via guide rollers and unwinding and / or deduction facilities.

In einem nicht dargestellten Maschinengestell sind in einer Perforierstation drei vorzugsweise mit eigenen Antrieben versehene Perforierzylinder 8, 9, 10 gelagert, deren Perforiermesser 11 mit Gegenmesserzylindern 8', 9', 10' zusammenwirken.In a machine frame, not shown, three perforating cylinders 8, 9, 10, preferably provided with their own drives, are mounted in a perforating station, their perforating knives 11 cooperating with counterblade cylinders 8 ', 9', 10 '.

In Laufrichtung der im gegenseitigen Abstand zueinander geführten Bahnen sind hinter den Querperforierzylindern 8 bis 10 mit Antrieben versehene Querklebezylinder 12, 13 im Maschinengestell gelagert, deren Querklebeleisten die Papierbahnen 5 und 6 mit quer verlaufenden Klebstoffaufträgen versehen. Die Querklebeleisten 14 der Querklebezylinder 12, 13 erhalten ihre Klebstoffaufträge in üblicher Weise von Klebstoffauftragswalzen.In the direction of the mutually spaced distance guided tracks are provided behind the Querperforierzylindern 8 to 10 provided with drives Querklebezylinder 12, 13 in the machine frame, the transverse adhesive strips provided the paper webs 5 and 6 with transverse adhesive orders. The transverse adhesive strips 14 of the transverse adhesive cylinders 12, 13 receive their adhesive jobs in the usual way of adhesive application rollers.

Hinter den Querklebezylindern 12, 13 werden die Papierbahnen 4, 5, 6 zu ihrer Verklebung zu einer mehrlagigen Bahn zusammengeführt. Ein Randbereich der Bahn, an dem die einzelnen Bahnen seitlich versetzt zueinander liegen, wird durch eine als Leimauftragsscheibe ausgestaltete Längskleberolle 16 mit einem die spätere Längsnaht bildenden Klebstoffauftrag versehen, wobei die Kleberolle 16 mit Aussparungen 17 versehen ist, die sicherstellen, dass die mit Querperforationen versehenen Randbereiche der mehrlagigen Papierbahn nicht mit Klebstoffaufträgen versehen werden. Die zwischen den Aussparungen 17 liegenden Längsklebesegmente bzw. das Längsklebesegment der Längskleberolle erhalten ihre Klebstoffaufträge in üblicher Weise von einer nicht dargestellten Klebstoffauftragsrolle oder Schöpfwalze. Da die einzelnen Lagen seitlich versetzt sind, kann es vorgesehen sein, mehrere, parallel zueinander angeordnete Leimauftragscheiben 16 zu verwenden.Behind the transverse corking cylinders 12, 13, the paper webs 4, 5, 6 are brought together for their bonding to form a multilayer web. An edge region of the web, on which the individual webs are laterally offset from one another, is provided with a glue application 16 which forms the subsequent longitudinal seam by means of a glue applicator disk 16 which is provided with recesses 17 which ensure that they are provided with transverse perforations Edge regions of the multilayer paper web are not provided with adhesive jobs. The longitudinal adhesive segments lying between the recesses 17 and the longitudinal adhesive segment of the longitudinal adhesive rollers receive their adhesive applications in the usual way from an adhesive application roller or scoop roller, not shown. Since the individual layers are offset laterally, it may be provided to use a plurality of glue application disks 16 arranged parallel to one another.

Die in der beschriebenen Weise vorbereitete, mehrlagige Papierbahn wird sodann in einer Schlauchbildungseinrichtung 18 zu einem Schlauch gefaltet, wobei die jeweils überlappungsfreien Randbereiche der einzelnen Lagen miteinander verkleben. Die Verklebung erfolgt, wie bereits beschrieben, über eine Längskleberolle oder mehrere Längskleberollen 16.The prepared in the manner described, multi-layer paper web is then folded in a tube forming device 18 to form a tube, wherein the respective overlap-free edge regions of the individual layers stick together. The bonding takes place, as already described, via a longitudinal adhesive roller or a plurality of longitudinal adhesive rollers 16.

In der Abreißstation 19 werden sodann von dem Papierschlauch die einzelnen Schlauchabschnitte 20 abgerissen. Die Abreißstation ist mit einem üblichen Abreißwerk versehen, das aus zwei mit unterschiedlicher Umfangsgeschwindigkeit angetriebenen Walzen besteht, von denen die vordere eine Haltewalze und die hintere eine Abreißwalze bildet, wobei im Takt des Abreißens der einzelnen Abschnitte 20 durch eine mit Nocken versehene Rolle 21 in einem beweglichen Träger gelagerte Gegenwalzen an die Festhalte- und Abreißwalzen angedrückt werden.In the tear-off station 19, the individual tube sections 20 are then torn off the paper tube. The tear-off station is standard Abreißwerk provided, which consists of two rollers driven at different peripheral speed, of which the front forms a holding roller and the rear a tear-off roller, wherein in time with the tearing of the individual sections 20 by a cammed roller 21 in a movable support mounted counter-rollers to the Holding and Abreißwalzen be pressed.

In Fig.2 ist die Leimauftragsvorrichtung gesondert dargestellt. Dabei entnimmt zunächst die Schöpfwalze 23 Klebstoff aus der Leimwanne 25. Die Menge des Klebstoffs kann dabei mittels einer Dosierwalze 24 eingestellt werden, die zu diesem Zweck relativ zu der Schöpfwalze 23 bewegt werden kann. Der von der Schöpfwalze 23 auf die Leimauftragsscheibe 16 übertragene Klebstoff wird von dieser auf die zusammengeführten Randbereiche der Papierstoffbahnen aufgebracht. Die Aussparungen 17 in der Leimauftragsscheibe 16 dienen dazu, die Perforationen, zur Erzeugung einzelner Schlauchabschnitte, frei von Klebstoff zu halten. Nicht dargestellt sind Rakelmesser, welche beispielsweise vorgesehen sein können, um seitlich an der Leimauftragsscheibe anhaftenden Leim abzutragen. Solche Rakelmesser können die oben genannte Aufgabe lösen, führen aber zu einem Verschleiß von Rakelmesser und/oder Leimauftragsscheibe und stellen damit keine überzeugende Lösung der Aufgabe dar. Weitere Rakelmesser können vorgesehen sein, um die Dicke der Leimschicht auf der Umfangsfläche der Leimauftragsscheibe zu begrenzen.In Fig.2 the glue application device is shown separately. Initially, the scoop roller 23 removes adhesive from the glue trough 25. The amount of the adhesive can be adjusted by means of a metering roller 24, which can be moved relative to the scoop roller 23 for this purpose. The adhesive transferred from the scoop roller 23 to the glue application disc 16 is applied by the latter to the merged edge regions of the pulp webs. The recesses 17 in the glue application disc 16 serve to keep the perforations, for the production of individual tube sections, free of adhesive. Not shown are doctor blades, which may be provided, for example, to remove laterally adhering to the glue applicator glue. Such doctor blades can solve the above-mentioned problem, but lead to wear of the doctor blade and / or glue application disc and thus do not convincingly solve the problem. Further doctor blades may be provided to limit the thickness of the glue layer on the peripheral surface of the glue application disc.

Die Fig. 3 zeigt nochmals die Leimauftragswalze 16 in einer perspektivischen Ansicht, in der die Umfangsfläche 27 und eine der beiden Stirnflächen 26 zu erkennen sind. Die Stirnfläche kann ein Material umfassen, an welchem der Leim schlechter haftet als auf Umfangsfläche 27. Dieses Material kann dabei auf eine Ringfläche 28 beschränkt sein, die an die Umfangsfläche 27 unmittelbar angrenzt (siehe Fig. 4). Bezugszeichenliste 1 Papierrolle 2 Papierrolle 3 Papierrolle 4 Papierbahnen 5 Papierbahnen 6 Papierbahnen 8 Perforierzylinder 9 Perforierzylinder 10 Perforierzylinder 8' Gegenmesserzylinder 9' Gegenmesserzylinder 10' Gegenmesserzylinder 11 Perforiermesser 12 Querklebezylinder 13 Querklebezylinder 14 Querklebeleisten 16 Leimauftragsscheibe 17 Aussparung auf der Leimauftragsscheibe 18 Schlauchbildungseinrichtung 19 Abreißstation 20 Einzelne Schlauchabschnitte 21 Mit Nocken versehene Rolle 22 Gegendruckzylinder 23 Schöpfwalze 24 Dosierwalze 25 Leimwanne 26 Stirnfläche der Leimauftragsscheibe 27 Umlauffläche der Leimauftragsscheibe The Fig. 3 again shows the glue application roller 16 in a perspective view, in which the peripheral surface 27 and one of the two end faces 26 can be seen. The end surface may comprise a material to which the glue adheres worse than on the peripheral surface 27. This material may be limited to an annular surface 28 which directly adjacent to the peripheral surface 27 (see Fig. 4 ). LIST OF REFERENCE NUMBERS 1 paper roll 2 paper roll 3 paper roll 4 paper webs 5 paper webs 6 paper webs 8th perforating 9 perforating 10 perforating 8th' Counter-blade cylinder 9 ' Counter-blade cylinder 10 ' Counter-blade cylinder 11 perforating 12 Cross bonding cylinder 13 Cross bonding cylinder 14 Cross-adhesive strips 16 glue spreading 17 Recess on the glue application disc 18 Hose educational institution 19 Abreißstation 20 Single tube sections 21 Cammed roller 22 Impression cylinder 23 scoop roller 24 metering 25 glue tank 26 Face of the glue application disc 27 Circulating surface of the glue application disc

Claims (10)

  1. Tube-forming device for forming a tube from at least one material web, for example in a paper tube machine, wherein the material web consists preferably of paper, having:
    - guide devices, with which the side regions of the at least one material web can be deflected so that the side regions subsequently overlap one another, and
    - a glue application arrangement, with which glue can be applied at least to one of the overlapping side regions, wherein the glue application arrangement comprises at least one glue reservoir for providing the glue and a rotating glue application disc for applying the glue to said side region, wherein the glue application disc comprises end faces and applies the glue to the side region of the material web with its circumferential surface,
    characterized in that
    at least one end face of the glue application disc comprises on its surface a material to which the glue adheres more poorly than to the circumferential surface of the glue application disc.
  2. Tube-forming device according to Claim 1,
    characterized in that
    at least regions of the end faces of the glue-application disc are coated with a material to which the glue adheres more poorly than to the circumferential surface of the glue application disc.
  3. Tube-forming device according to either of the preceding claims,
    characterized in that
    the material is hydrophobic.
  4. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material is a plastic.
  5. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material comprises fluoropolymers and/or fluorinated copolymers.
  6. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material comprises polytetrafluoroethylene.
  7. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material comprises lacquer.
  8. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material comprises ceramic material.
  9. Tube-forming device according to one of the preceding claims,
    characterized in that
    the material comprises a fluoroelastomer.
  10. Tube-forming device according to one of the preceding claims,
    characterized in that
    the surface roughness of the material is less than or equal to 1 µm.
EP08159948A 2007-07-10 2008-07-08 Tube forming equipment to form a tube of at least one material web Not-in-force EP2014457B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007032401A DE102007032401B4 (en) 2007-07-10 2007-07-10 Hose forming device for forming a hose of at least one material web

Publications (2)

Publication Number Publication Date
EP2014457A1 EP2014457A1 (en) 2009-01-14
EP2014457B1 true EP2014457B1 (en) 2011-04-27

Family

ID=39865843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08159948A Not-in-force EP2014457B1 (en) 2007-07-10 2008-07-08 Tube forming equipment to form a tube of at least one material web

Country Status (4)

Country Link
EP (1) EP2014457B1 (en)
AT (1) ATE507062T1 (en)
DE (2) DE102007032401B4 (en)
ES (1) ES2362049T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2392452B1 (en) 2010-06-02 2017-04-19 Windmöller & Hölscher KG Method and device for the production of tubes or tube sections
PL2392408T3 (en) 2010-06-02 2016-09-30 Device for applying glue and method for cleaning same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2213406B (en) * 1987-12-08 1992-05-20 Molins Plc Coating apparatus and method
DE69300103T2 (en) * 1993-12-16 1995-11-02 Tabac Fab Reunies Sa Device for gluing a paper web.
DE4401723A1 (en) 1994-01-21 1995-07-27 Windmoeller & Hoelscher Device for producing a multi-layer hose for bag production
JP3972220B2 (en) * 1997-07-25 2007-09-05 ノードソン株式会社 Roll transfer coating method of adhesive

Also Published As

Publication number Publication date
DE502008003334D1 (en) 2011-06-09
DE102007032401A1 (en) 2009-01-15
EP2014457A1 (en) 2009-01-14
ATE507062T1 (en) 2011-05-15
ES2362049T3 (en) 2011-06-27
DE102007032401B4 (en) 2010-07-22

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