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EP0410226A2 - Apparatus for adhesive-free joining of layers of paper, thin carton, or similar materials - Google Patents

Apparatus for adhesive-free joining of layers of paper, thin carton, or similar materials Download PDF

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Publication number
EP0410226A2
EP0410226A2 EP19900113397 EP90113397A EP0410226A2 EP 0410226 A2 EP0410226 A2 EP 0410226A2 EP 19900113397 EP19900113397 EP 19900113397 EP 90113397 A EP90113397 A EP 90113397A EP 0410226 A2 EP0410226 A2 EP 0410226A2
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EP
European Patent Office
Prior art keywords
layers
punch
tool
paper
pairs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900113397
Other languages
German (de)
French (fr)
Other versions
EP0410226B1 (en
EP0410226A3 (en
Inventor
Helmut Schmetzer
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.)
SCHMETZER, HELMUT
SCHWEDE, HORST
SCHWEDE, ROLAND
Original Assignee
Individual
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Publication of EP0410226A2 publication Critical patent/EP0410226A2/en
Publication of EP0410226A3 publication Critical patent/EP0410226A3/en
Application granted granted Critical
Publication of EP0410226B1 publication Critical patent/EP0410226B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • B31F5/02—Attaching together sheets, strips or webs; Reinforcing edges by crimping or slotting or perforating
    • B31F5/025—Attaching together sheets, strips or webs; Reinforcing edges by crimping or slotting or perforating by slotting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs

Definitions

  • the invention relates to a method for the adhesive-free connection of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, the layers being placed one on top of the other in the connection area and being connected to one another by alternately deforming approximately transversely to the plane of the layers. It further relates to packaging consisting of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, which are connected to one another by at least one connecting “seam” formed by deforming the layers. Furthermore, the invention relates to a device with a tool for deforming at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, which are arranged one on top of the other.
  • the invention is therefore based on the object of providing a method, a packaging and a device in each case of the type described at the outset which permit an adhesive-free connection of at least two layers of paper, in particular particularly simple recycled paper, in a simple manner.
  • This task is initiated in a procedure mentioned type solved in that the layers are cut into strips only in the connection area and pressed out in pairs alternately out of the plane of the layers. It is furthermore solved in the case of packaging of the type specified at the outset in that the connecting “seam” is formed by strips cut out of the layers in pairs and alternately in pairs and pressed out from one another in opposite directions.
  • the object is achieved in a device of the type mentioned above in that two complementary punch-press tools are assigned to one another in pairs, which are alternately provided with punch teeth, one punch tooth of a punch-press tool in a space between two adjacent punching teeth of the other punching and pressing tool is designed to engage, the width of the respective intermediate space essentially corresponding to the width of the respective punching tooth and the edge delimiting the respective punching tooth from the adjacent intermediate space being designed as a cutting edge.
  • the measures according to the invention ensure that the strips, which of course remain connected at their ends to the respective layer of paper or the like, are pressed out of the layers in pairs and alternately in opposite directions, as a result of which the two layers become extremely hooked together.
  • Craft paper and recycled paper are particularly suitable for this.
  • wrapping or packaging according to the invention for example, stacks of newspapers or magazines can be wrapped for dispatch, with only four pages be wrapped while two opposite sides remain open. To secure the transport and to carry such packages, they can be surrounded with one or more tires.
  • other objects such as items of clothing or individual or some magazines, can also be surrounded with a bag-like packaging, which is closed on several sides with the connection “seam” according to the invention.
  • a feed conveyor belt 1 is mounted approximately in the middle, which in the usual way consists of an endless belt 2, a deflection roller 3 and a driven transport roller 4, over which it is guided. It is driven by an electric motor 4a.
  • the upper run 5 of the belt 2 can be driven in the transport direction 6, ie from right to left in the drawing. Downstream of the transport direction is a workstation 7 to be explained, which is followed by a discharge conveyor belt 8, which is constructed in the same way as the conveyor belt 1. Its individual parts are therefore identified by the same reference numbers with a prime.
  • a roll 10 of sheet-like packaging material for example paper, craft paper, recycled paper or the like, is arranged on support rollers 9, one of which can be driven by means of an electric motor Ba, from which a web 11 is drawn off by means of a pair of take-off rolls and the workstation 7 is supplied.
  • the trigger roller pair 12 can also be driven by a motor, the motor not being shown.
  • Above the feed conveyor belt 1 is a further roll 10 'of the same with the roll 10 of packaging material on support rollers 9', from which a web 11 'is pulled off via a pair of take-off rollers 12' and fed to the work station 7.
  • a connecting tool 13 is provided, by means of which the two webs 11 and 11 'are connected together without adhesive.
  • This connecting tool 13 has a lower tool bar 14 and an upper tool bar 15, which serve as tool carriers.
  • the lower tool bar 14 is arranged in a stationary manner; however, it can also be driven vertically by means of one or more linear drives, for example piston-cylinder drives.
  • the upper tool bar 15 can be displaced vertically by means of at least one linear drive 16 in the form of a hydraulically or pneumatically actuated piston-cylinder drive. In Figures 1 and 2 it is in its upper rest position.
  • the lower tool bar 14 has in the middle an at least over the width of the tracks 11, 11 'extending cutting knife 17 which plunges into a counter slot 18 on the upper tool bar 15 when the tool bars 14, 15 are brought together
  • a pair of punching-pressing tools 19, 20 are arranged on the tool bar 14 and on the tool bar 15, which are assigned to one another in pairs and are shown in more detail in FIG.
  • Each tool 19, 20 has identical punch teeth 21, the distance a from each other is only a few hundredths of a millimeter larger than their width b, so that the tools 19, 20 offset by a tooth pitch c can dip into one another, the punch teeth 21 of one tool 19 in the Spaces 22 of the other tool 20 can dip between the adjacent punch teeth 21 and vice versa.
  • a tooth pitch c a + b.
  • the edges delimiting the punch teeth 21 to the respective intermediate space 22 form cutting edges 23.
  • a pair of such punching and pressing tools 19, 20 are arranged on the tool bars 14, 15 on both sides of the cutting knife 17 or the counter slot 18, so that when the connecting tool 13 is closed by bringing the tool bars 14, 15 together, the two Lanes 11, 11 'are connected to one another by means of two connecting “seams” 26, the two lanes 11, 11 ′ being cut through between the two “seams” 26 at the same time. If required, wipers, not shown in the drawing, are provided for pressing out the connection “seam” 26 from the tools 19, 20.
  • FIG 1 the starting position is shown in which the two webs 11, 11 'are connected to each other by means of a "seam" 26.
  • the upper tool bar 15 is raised, so that an object 27 to be packaged or wrapped, for example a stack of newspapers or magazines, can be fed in the transport direction 6 via the feed conveyor belt 1.
  • the cutting knife 17 is at least slightly below that by the two upper dreams 5, 5 'spanned level.
  • all drives i. H. in particular the electric motors 4a, 4a ', 9a, 9a' of the transport rollers 4, 4 'and the support rollers 9, 9' and the drives of the take-off roller pairs 12, 12 'and the linear drive (s) 16 are controlled by means of an overall control, so that the described work processes are achieved. This is achieved with known and commercially available control devices.
  • FIG. 6 shows another embodiment of a device for producing a connecting seam 26 for connecting two web sections 29, 29 ', which can also be arches and which are generally referred to as layers.
  • punch-press tools 30, 31 are designed in the manner of gearwheels, that is to say they consist of two wheels 36, 37 mounted on corresponding shaft supports 32, 33 on corresponding tool carriers 34, 35, on the outer circumference of which punching teeth 38 are arranged, which are arranged in engage in the respective space 39 between two adjacent punching teeth 38 in the same way as in the exemplary embodiment described.
  • the tool carriers 34, 35 can be arranged in a stationary manner, ie the path sections 29, 29 'are passed through.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

In order to join at least two sheets of paper or similar sheets, said sheets are cut into strips (24, 24') into the joining region and are pressed out of the plane of the sheets alternately in pairs. For this purpose punching dies (19, 20) with teeth (21) can be provided. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum klebstoff­freien Verbinden von mindestens zwei Lagen aus Papier, dünnem Karton, insbesondere Craftpapier und Recycling-­Papier, wobei die Lagen im Verbindungsbereich aufein­andergelegt und durch abwechselndes Verformen etwa quer zur Ebene der Lagen miteinander verbunden werden. Sie betrifft weiterhin eine Verpackung bestehend aus mindestens zwei Lagen aus Papier, dünnem Karton, ins­besondere Craftpapier und Recycling-Papier, die mit mindestens einer durch Verformen der Lagen gebildeten Verbindungs-"Naht" miteinander verbunden sind. Darüber hinaus betrifft die Erfindung eine Vorrichtung mit ei­nem Werkzeug zum Verformen von mindestens zwei aufein­ander angeordneten Lagen aus Papier, dünnem Karton, insbesondere Craftpapier und Recycling-Papier.The invention relates to a method for the adhesive-free connection of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, the layers being placed one on top of the other in the connection area and being connected to one another by alternately deforming approximately transversely to the plane of the layers. It further relates to packaging consisting of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, which are connected to one another by at least one connecting “seam” formed by deforming the layers. Furthermore, the invention relates to a device with a tool for deforming at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, which are arranged one on top of the other.

Es ist bekannt, Papier, dünnen Karton oder dergleichen in der Weise miteinander klebstofffrei zu verbinden, daß mit einem Rändelrad zwei aufeinanderliegende Lagen aus Papier oder dergleichen aus der Hauptebene der Lagen heraus verformt werden. Hierdurch tritt eine gewisse Verzahnung der beiden aus Bahnabschnitten oder Bögen bestehenden Lagen ein. Diese Art der Verbindung ist nicht sonderlich fest. Aus diesem Grunde wird in diesem Zusammenhang sehr oft zusätzlich Klebstoff eingesetzt.It is known to bond paper, thin cardboard or the like to one another in an adhesive-free manner in such a way that two superimposed layers of paper or the like are deformed out of the main plane of the layers with a knurled wheel. This causes a certain interlocking of the two layers consisting of web sections or arches. This type of connection is not particularly tight. For this reason, additional adhesive is very often used in this context.

Sehr viele Gegenstände werden in Kunststoffolien ein­gepackt, die miteinander verklebt oder verschweißt oder die aufgeschrumpft werden. Der Einsatz von Kunst­stoffolien ist nicht wünschenswert. Darüber hinaus treten beim Schrumpfen von Folien Dämpfe auf, die ebenfalls unerwünscht sind. Das Verpacken mit Papier erfordert den Einsatz von Klebstoff, was zum einen ebenfalls aus Umweltschutzgründen nicht erwünscht ist. Darüber hinaus dauert es eine in der Regel beträchtli­che Zeit, bis der Klebstoff so weit abgebunden hat oder getrocknet ist, daß die Verbindungs-"Naht" eine ausreichende Festigkeit hat. Andererseits gibt es sehr viele Anwendungfälle, in denen weder an die Festigkeit der Verpackung oder Umhüllung noch an die Festigkeit der Verbindung sonderlich hohe Anforderungen gestellt werden, da die Verpackung oder Umhüllung nur für einen relativ kurzen Zeitraum, in der Regel für einen Trans­port vorgesehen ist.A large number of objects are packed in plastic films that are glued or welded together or that are shrunk on. The use of plastic films is not desirable. In addition, vapors occur when shrinking films, which are also undesirable. Packaging with paper requires the use of adhesive, which is also undesirable for environmental reasons. In addition, it typically takes a considerable amount of time for the adhesive to set or dry so that the joint "seam" has sufficient strength. On the other hand, there are a lot of applications in which neither the strength of the packaging or wrapping nor the strength of the connection are subject to particularly high demands, since the packaging or wrapping is only intended for a relatively short period of time, as a rule for transportation.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren, eine Verpackung und eine Vorrichtung je­weils der eingangs beschriebenen Art zu schaffen, die eine klebstofffreie Verbindung von mindestens zwei La­gen Papier und zwar insbesondere von besonders einfa­chem Recycling-Papier in einfacher Weise gestatten.The invention is therefore based on the object of providing a method, a packaging and a device in each case of the type described at the outset which permit an adhesive-free connection of at least two layers of paper, in particular particularly simple recycled paper, in a simple manner.

Diese Aufgabe wird bei einem Verfahren der eingangs genannten Art dadurch gelöst, daß die Lagen nur im Verbindungsbereich in Streifen geschnitten und paar­weise abwechselnd aus der Ebene der Lagen herausge­drückt werden. Sie wird weiterhin bei einer Verpackung der eingangs angegebenen Art dadurch gelöst, daß die Verbindungs-"Naht" durch paarweise aus den Lagen ge­schnittene und paarweise abwechselnd und zueinander entgegengesetzt aus diesen herausgedrückte Streifen gebildet ist. Weiterhin wird die Aufgabe bei einer Vorrichtung der eingangs angegebenen Art dadurch ge­löst, daß zwei einander komplementäre Stanz-Drück-­Werkzeuge einander paarweise zugeordnet sind, die wechselweise mit Stanzzähnen versehen sind, wobei je­weils ein Stanzzahn eines Stanz-Drück-Werkzeuges in einen Zwischenraum zwischen zwei benachbarten Stanz­zähnen des anderen Stanz-Drück-Werkzeuges eingreifend ausgebildet ist, wobei die Breite des jeweiligen Zwi­schenraumes im wesentlichen der Breite des jeweiligen Stanzzahnes entspricht und wobei die den jeweiligen Stanzzahn zum benachbarten Zwischenraum begrenzende Kante als Schneidkante ausgebildet ist. Durch die er­findungsgemäßen Maßnahmen wird erreicht, daß die Streifen, die selbstverständlich an ihren Enden mit der jeweiligen Lage Papier oder dergleichen verbunden bleiben, paarweise und abwechselnd gegensinnig aus den Lagen herausgedrückt werden, wodurch ein außerordent­lich intensives Verhaken der beiden Lagen stattfindet. Je weniger glatt, als je einfacher das Papier, der dünne Karton oder dergleichen ist, um so fester ist die Verbindung. Gerade Craftpapier und Recycling-Pa­pier eignen sich also besonders hierfür. Mit der er­findungsgemäßen Umhüllung oder Verpackung können bei­spielsweise Stapel von Zeitungen oder Zeitschriften zum Versand umhüllt werden, wobei nur vier Seiten um­ hüllt werden, während zwei einander gegenüberliegende Seiten offen bleiben. Zur Transportsicherung und zum Tragen solcher Pakete können diese noch mit einem oder mehrere Reifen umgeben werden. Weiterhin können aber auch andere Gegenstände, wie beispielsweise Kleidungs­stücke oder einzelne bzw. einige Zeitschriften mit einer tütenartigen Verpackung umgeben werden, die an mehreren Seiten mit der erfindungsgemäßen Verbindungs-­"Naht" verschlossen wird.This task is initiated in a procedure mentioned type solved in that the layers are cut into strips only in the connection area and pressed out in pairs alternately out of the plane of the layers. It is furthermore solved in the case of packaging of the type specified at the outset in that the connecting “seam” is formed by strips cut out of the layers in pairs and alternately in pairs and pressed out from one another in opposite directions. Furthermore, the object is achieved in a device of the type mentioned above in that two complementary punch-press tools are assigned to one another in pairs, which are alternately provided with punch teeth, one punch tooth of a punch-press tool in a space between two adjacent punching teeth of the other punching and pressing tool is designed to engage, the width of the respective intermediate space essentially corresponding to the width of the respective punching tooth and the edge delimiting the respective punching tooth from the adjacent intermediate space being designed as a cutting edge. The measures according to the invention ensure that the strips, which of course remain connected at their ends to the respective layer of paper or the like, are pressed out of the layers in pairs and alternately in opposite directions, as a result of which the two layers become extremely hooked together. The less smooth than the simpler the paper, the thin cardboard or the like, the stronger the connection. Craft paper and recycled paper are particularly suitable for this. With the wrapping or packaging according to the invention, for example, stacks of newspapers or magazines can be wrapped for dispatch, with only four pages be wrapped while two opposite sides remain open. To secure the transport and to carry such packages, they can be surrounded with one or more tires. Furthermore, other objects, such as items of clothing or individual or some magazines, can also be surrounded with a bag-like packaging, which is closed on several sides with the connection “seam” according to the invention.

Weitere Vorteile, Merkmale und Einzelheiten der Erfin­dung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung zweier Ausführungsbeispiele der Erfindung.Further advantages, features and details of the invention result from the subclaims and the following description of two exemplary embodiments of the invention.

Es zeigt

  • Fig. 1 eine Vorrichtung zum Umhüllen von Gegenständen in schematischer Darstellung beim Antransport eines Gegenstandes,
  • Fig. 2 die Vorrichtung nach Fig. 1 beim Ankommen des Gegenstandes an einer Arbeitsstation,
  • Fig. 3 die Vorrichtung nach den Fig. 1 und 2 beim Her­stellen einer Verbindungs-"Naht",
  • Fig. 4 die Vorrichtung nach den Fig. 1 bis 3 in per­spektivischer Darstellung,
  • Fig. 5 zwei Lagen Papier mit zwei Stanz-Drück-Werkzeu­gen nach dem Herstellen einer Verbindungs''Naht" und
  • Fig. 6 eine weitere Ausführungsform der erfindungsge­ mäßen Vorrichtung in schemastischer Darstel­lung.
It shows
  • 1 shows a device for wrapping objects in a schematic representation when transporting an object,
  • 2 shows the device according to FIG. 1 when the object arrives at a work station,
  • 3 shows the device according to FIGS. 1 and 2 during the production of a connection “seam”,
  • 4 shows the device according to FIGS. 1 to 3 in a perspective view,
  • Fig. 5 two layers of paper with two punch-press tools after making a connection `` seam '' and
  • Fig. 6 shows another embodiment of the fiction moderate device in a schematic representation.

Auf einem Maschinengestell A ist etwa mittig ein Zu­führ-Transportband 1 gelagert, das in üblicher Weise aus einem endlosen Band 2, einer Umlenkrolle 3 und einer angetriebenen Transportrolle 4 besteht, über die es geführt ist. Der Antrieb erfolgt mittels eines Elektro-Motors 4a. Das Obertrum 5 des Bandes 2 ist in Transportrichtung 6, d. h. in der Zeichnung von rechts nach links antreibbar. In Transportrichtung nachgeord­net ist eine weiter unten noch zu erläuternde Arbeits­station 7 vorgesehen, der ein Abführ-Transportband 8 nachgeordnet ist, das in gleicher Weise wie das Trans­portband 1 aufgebaut ist. Seine Einzelteile sind daher mit denselben Bezugziffern mit einem hochgesetzten Strich bezeichnet. Das Obertrum 5 und das Obertrum 5′ fluchten miteinander. Unterhalb des Zuführtransport­bandes 1 ist auf Stützrollen 9, von denen eine mittels eines Elektromotors Ba antreibbar ist, eine Rolle 10 aus bahnförmigen Verpackungsmaterial, beispielsweise Papier, Craftpapier, Recycling-Papier oder dergleichen angeordnet, von der eine Bahn 11 mittels eines Abzugs-­Rollenpaares abgezogen und der Arbeitsstation 7 zuge­führt wird. Das Abzugs-Rollenpaar 12 ist ebenfalls motorisch antreibbar, wobei der Motor nicht darge­stellt ist. Oberhalb des Zuführ-Transportbandes 1 ist eine weitere Rolle 10′ von mit der Rolle 10 gleichar­tigem Verpackungsmaterial auf Stützrollen 9′ abge­stützt, von der eine Bahn 11′ über ein Abzugs-Rollen­paar 12′ abgezogen und der Arbeitsstation 7 zugeführt wird.On a machine frame A, a feed conveyor belt 1 is mounted approximately in the middle, which in the usual way consists of an endless belt 2, a deflection roller 3 and a driven transport roller 4, over which it is guided. It is driven by an electric motor 4a. The upper run 5 of the belt 2 can be driven in the transport direction 6, ie from right to left in the drawing. Downstream of the transport direction is a workstation 7 to be explained, which is followed by a discharge conveyor belt 8, which is constructed in the same way as the conveyor belt 1. Its individual parts are therefore identified by the same reference numbers with a prime. The upper run 5 and the upper run 5 'are aligned with each other. Below the feed conveyor belt 1, a roll 10 of sheet-like packaging material, for example paper, craft paper, recycled paper or the like, is arranged on support rollers 9, one of which can be driven by means of an electric motor Ba, from which a web 11 is drawn off by means of a pair of take-off rolls and the workstation 7 is supplied. The trigger roller pair 12 can also be driven by a motor, the motor not being shown. Above the feed conveyor belt 1 is a further roll 10 'of the same with the roll 10 of packaging material on support rollers 9', from which a web 11 'is pulled off via a pair of take-off rollers 12' and fed to the work station 7.

In der Arbeitsstation 7 ist ein Verbindungswerkzeug 13 vorgesehen, mittels dessen die beiden Bahnen 11 und 11′ klebstofffrei miteinander verbunden werden. Dieses Verbindungswerkzeug 13 weist einen unteren Werkzeug­balken 14 und einen oberen Werkzeugbalken 15 auf, die als Werkzeugträger dienen. Im dargestellten Ausfüh­rungsbeispiel ist der untere Werkzeugbalken 14 orts­fest angeordnet; er kann aber auch vertikal mittels eines oder mehrerer Linearantriebe, beispielweise Kolben-Zylinder-Antriebe, antreibbar sein. Der obere Werkzeugbalken 15 ist mittels mindestens eines Linear­antriebes 16 in Form eines hydraulisch oder pneuma­tisch beaufschlagbaren Kolben-Zylinder-Antriebs in der Vertikalen verschiebbar. In den Figuren 1 und 2 befin­det er sich in seiner oberen Ruhelage.In the work station 7, a connecting tool 13 is provided, by means of which the two webs 11 and 11 'are connected together without adhesive. This connecting tool 13 has a lower tool bar 14 and an upper tool bar 15, which serve as tool carriers. In the exemplary embodiment shown, the lower tool bar 14 is arranged in a stationary manner; however, it can also be driven vertically by means of one or more linear drives, for example piston-cylinder drives. The upper tool bar 15 can be displaced vertically by means of at least one linear drive 16 in the form of a hydraulically or pneumatically actuated piston-cylinder drive. In Figures 1 and 2 it is in its upper rest position.

Der untere Werkzeugbalken 14 weist mittig ein sich zu­mindest über die Breite der Bahnen 11, 11′ erstrecken­des Schneidmesser 17 auf, das beim Zusammenführen der Werkzeugbalken 14, 15 in einen Gegenschlitz 18 am obe­ren Werkzeugbalken 15 eintauchtThe lower tool bar 14 has in the middle an at least over the width of the tracks 11, 11 'extending cutting knife 17 which plunges into a counter slot 18 on the upper tool bar 15 when the tool bars 14, 15 are brought together

Beiderseits des Schneidmessers 17 bzw. des Gegen­schlitzes 18 sind am Werkzeugbalken 14 und am Werk­zeugbalken 15 jeweils ein Paar von Stanz-Drück-Werk­zeugen 19, 20 angeordnet, die einander paarweise zuge­ordnet sind und in Figur 5 detaillierter dargestellt sind. Jedes Werkzeug 19, 20 weist identische Stanzzäh­ne 21 auf, deren Abstand a voneinander nur um einige hundertstel Millimeter größer ist als ihre Breite b, so daß die um eine Zahnteilung c gegeneinander ver­setzten Werkzeuge 19, 20 ineinandertauchen können, wo­bei die Stanzzähne 21 des einen Werkzeuges 19 in die Zwischenräume 22 des anderen Werkzeuges 20 zwischen den benachbarten Stanzzähnen 21 eintauchen können und umgekehrt. Für eine Zahnteilung c gilt c = a + b. Die die Stanzzähne 21 zum jeweiligen Zwischenraum 22 be­grenzenden Kanten bilden Schneidkanten 23.On both sides of the cutting knife 17 or the counter slot 18, a pair of punching-pressing tools 19, 20 are arranged on the tool bar 14 and on the tool bar 15, which are assigned to one another in pairs and are shown in more detail in FIG. Each tool 19, 20 has identical punch teeth 21, the distance a from each other is only a few hundredths of a millimeter larger than their width b, so that the tools 19, 20 offset by a tooth pitch c can dip into one another, the punch teeth 21 of one tool 19 in the Spaces 22 of the other tool 20 can dip between the adjacent punch teeth 21 and vice versa. For a tooth pitch c, c = a + b. The edges delimiting the punch teeth 21 to the respective intermediate space 22 form cutting edges 23.

Wenn - wie insbesondere Figur 5 entnehmbar ist - zwei in diesem Bereich flach aufeinanderliegende Bahnen 11, 11′ zwischen zwei Werkzeuge 19, 20 geführt werden, dann werden beide Bahnen an den jeweils paarweise ein­ander zugeordneten Schneidkanten 23 der Stanzzähne 21 beider Werkzeuge gestanzt, wodurch beide Bahnen 11, 11′ in diesem Bereich in in Transportrichtung 6 ver­laufende Streifen 24, 24′ geschnitten werden, deren Breite e der Breite b der Stanzzähne 21 entspricht. Diese Streifen 24, 24′ sind jeweils paarweise und im Wechsel entsprechend dem Verlauf der durch die Schneidkanten 23 begrenzten Außenfläche 25 der Stanz­zähne 21 aus der gemeinsamen Ebene der Bahnen 11, 11′ herausgebogen. Hierdurch wird eine außerordentlich feste Verbindungs-"Naht" 26 erzeugt. Für die Länge d der Streifen 24, 24′ zu ihrer Breite e gilt 7 e ≧ d ≧ 2 e.If - as can be seen in particular in FIG. 5 - two webs 11, 11 'lying flat on top of one another in this area are guided between two tools 19, 20, then both webs are punched on the cutting edges 23 of the punching teeth 21 of both tools, which are assigned to one another in pairs, whereby both Lanes 11, 11 'in this area in the direction of transport 6 extending strips 24, 24' are cut, whose width e corresponds to the width b of the punch teeth 21. These strips 24, 24 'are in pairs and alternately bent out according to the course of the outer edges 25 delimited by the cutting edges 23 of the punching teeth 21 from the common plane of the tracks 11, 11'. This creates an extraordinarily strong connection "seam" 26. For the length d of the strips 24, 24 'to their width e applies 7 e ≧ d ≧ 2 e.

Wie erwähnt, sind an den Werkzeugbalken 14, 15 beider­seits des Schneidmessers 17 bzw. des Gegenschlitzes 18 je ein Paar solcher Stanz-Drück-Werkzeuge 19, 20 ange­ordnet, so daß bei einem Schließen des Verbindungs­werkzeuges 13 durch Zusammenführen der Werkzeugbalken 14, 15 die beiden Bahnen 11, 11′ mittels zweier Ver­bindungs-"Nähte" 26 miteinander verbunden werden, wo­bei gleichzeitig die beiden Bahnen 11, 11′ zwischen den beiden "Nähten" 26 durchgeschnitten werden. Falls erforderlich, sind in der Zeichnung nicht dargestellte Abstreifer zum Herausdrücken der Verbindungs-"Naht" 26 aus den Werkzeugen 19, 20 vorgesehen.As mentioned, a pair of such punching and pressing tools 19, 20 are arranged on the tool bars 14, 15 on both sides of the cutting knife 17 or the counter slot 18, so that when the connecting tool 13 is closed by bringing the tool bars 14, 15 together, the two Lanes 11, 11 'are connected to one another by means of two connecting “seams” 26, the two lanes 11, 11 ′ being cut through between the two “seams” 26 at the same time. If required, wipers, not shown in the drawing, are provided for pressing out the connection “seam” 26 from the tools 19, 20.

In Figur 1 ist die Ausgangsposition dargestellt, in der die beiden Bahnen 11, 11′ mittels einer "Naht" 26 miteinander verbunden sind. Der obere Werkzeugbalken 15 ist hochgefahren, so daß über das Zuführ-Transport­band 1 ein zu verpackender bzw. zu umhüllender Gegen­stand 27, beispielsweise ein Stapel Zeitungen oder Zeitschriften, in Transportrichtung 6 zugeführt werden kann. Entsprechend der Darstellung in Figur 2 über­fährt er hierbei die Arbeitsstation 7 und gelangt un­ter Mitnahme der beiden Bahnen 11, 11′ auf das Abführ-­Transportband 8. Damit die Arbeitsstation 7 frei über­fahren werden kann, befindet sich das Schneidmesser 17 zumindest geringfügig unterhalb der durch die beiden Obertrume 5, 5′ aufgespannten Ebene.In Figure 1, the starting position is shown in which the two webs 11, 11 'are connected to each other by means of a "seam" 26. The upper tool bar 15 is raised, so that an object 27 to be packaged or wrapped, for example a stack of newspapers or magazines, can be fed in the transport direction 6 via the feed conveyor belt 1. According to the illustration in Figure 2, he drives over the work station 7 and takes the two lanes 11, 11 'onto the discharge conveyor belt 8. So that the work station 7 can be run over freely, the cutting knife 17 is at least slightly below that by the two upper dreams 5, 5 'spanned level.

Wenn der Gegenstand 27 sich in der in Figur 3 darge­stellten Arbeitsstellung auf dem Transportband 8 be­findet, in dem sich seine - bezogen auf die Transport­richtung 6 - Rückseite 28 bereits jenseits der Werk­zeugbalken 14, 15 befindet, wird das Verbindungswerk­zeug 13 geschlossen. Hierzu fährt der obere Werkzeug­balken 15 nach unten und nimmt hierbei die obere Bahn 11′ nach unten. Beim Zusammenführen der beiden Werk­zeugbalken 14, 15 werden zwei Verbindungs-"Nähte" 26 zwischen den beiden Bahnen 11, 11′ gebildet und diese gleichzeitig zwischen diesen "Nähten" 26 durchge­schnitten. Der nunmehr von Bahnabschnitten 29, 29′ um­hüllte Gegenstand 27 wird mittels des Transportbandes 8 abgeführt, wobei gleichzeitig über das Zuführ-Trans­ portband 1 ein neuer Gegenstand 27 herangeführt werden kann.If the object 27 is in the working position shown in FIG. 3 on the conveyor belt 8, in which its rear side 28, in relation to the transport direction 6, is already beyond the tool bars 14, 15, the connecting tool 13 is closed. For this purpose, the upper tool bar 15 moves down and takes the upper path 11 'down. When the two tool bars 14, 15 are brought together, two connecting “seams” 26 are formed between the two webs 11, 11 ′ and these are simultaneously cut through between these “seams” 26. The now covered by web sections 29, 29 'object 27 is removed by means of the conveyor belt 8, while at the same time via the feed trans portband 1 a new item 27 can be introduced.

In der perspektivischen Darstellung in Figur 4 ist die dem Betrachter zugewandte Seite des Maschinengestells A weggelassen, um die Anschaulichkeit zu vergrößern.In the perspective illustration in FIG. 4, the side of the machine frame A facing the viewer has been omitted in order to increase clarity.

Es sei weiterhin hinzugefügt, daß alle Antriebe, d. h. insbesondere die Elektro-Motoren 4a, 4a′, 9a, 9a′ der Transportrollen 4, 4′ und der Stützrollen 9, 9′ und die Antriebe der Abzugs-Rollenpaare 12, 12′ und der oder die Linearantriebe 16 mittels einer Gesamtrege­lung angesteuert werden, so daß die geschilderten Ar­beitsabläufe erreicht werden. Dies wird mit bekannten und handelsüblichen Regelungseinrichtungen erreicht.It should also be added that all drives, i. H. in particular the electric motors 4a, 4a ', 9a, 9a' of the transport rollers 4, 4 'and the support rollers 9, 9' and the drives of the take-off roller pairs 12, 12 'and the linear drive (s) 16 are controlled by means of an overall control, so that the described work processes are achieved. This is achieved with known and commercially available control devices.

In Figur 6 ist eine andere Ausführungsform einer Vor­richtung zum Herstellen einer Verbindungs-Naht 26 zum Verbinden zweier Bahnabschnitte 29, 29′, bei denen es sich auch um Bögen handeln kann und die ganz allgemein als Lagen bezeichnet werden, dargestellt. In diesem Fall sind Stanz-Drück-Werkzeuge 30, 31 nach Art von Zahnrädern ausgebildet, d. h. sie bestehen aus zwei über Wellenzapfen 32, 33 an entsprechenden Werkzeug­trägern 34, 35 gelagerten Rädern 36, 37, auf deren Außenumfang Stanzzähne 38 angeordnet sind, die in gleicher Weise wie bei dem geschilderten Ausführungs­beispiel in den jeweiligen Zwischenraum 39 zwischen zwei benachbarten Stanzzähnen 38 eingreifen. Die Werk­zeugträger 34, 35 können ortsfest angeordnet sein, d. h. die Bahnabschnitte 29, 29′ werden hindurchgeführt. Es ist aber auch möglich, bei Ausgestaltung als Hand­gerät das Gerät selber, d. h. die Werkzeugträger 34, 35 mit den Rädern 36, 37 zur Erzeugung der Verbin­dungs-"Naht" 26 entlang dem gewünschten Nahtverlauf zu führen. Die Räder 36, 37 haben einen Zwangsantrieb mittels eines Elektromotors, der nicht dargestellt ist.FIG. 6 shows another embodiment of a device for producing a connecting seam 26 for connecting two web sections 29, 29 ', which can also be arches and which are generally referred to as layers. In this case, punch-press tools 30, 31 are designed in the manner of gearwheels, that is to say they consist of two wheels 36, 37 mounted on corresponding shaft supports 32, 33 on corresponding tool carriers 34, 35, on the outer circumference of which punching teeth 38 are arranged, which are arranged in engage in the respective space 39 between two adjacent punching teeth 38 in the same way as in the exemplary embodiment described. The tool carriers 34, 35 can be arranged in a stationary manner, ie the path sections 29, 29 'are passed through. However, it is also possible, in the case of a configuration as a hand-held device, to close the device itself, ie the tool carriers 34, 35 with the wheels 36, 37 to produce the connection “seam” 26 along the desired seam course to lead. The wheels 36, 37 have a positive drive by means of an electric motor, which is not shown.

Durch das Stanzen der Streifen 24, 24′ und deren Entlangführen an den Flanken der Schneidzähne 21 bzw. 38 werden die Kanten der Streifen 24, 24′ verquetscht oder verzogen und hierdurch noch besser miteinander verbunden.By punching the strips 24, 24 'and leading them along the flanks of the cutting teeth 21 and 38, the edges of the strips 24, 24' are squeezed or warped and thereby connected even better.

Claims (11)

1. Verfahren zum klebstofffreien Verbinden von minde­stens zwei Lagen aus Papier, dünnem Karton, insbeson­dere Craftpapier und Recycling-Papier, wobei die Lagen im Verbindungsbereich aufeinandergelegt und durch ab­wechselndes Verformen etwa quer zur Ebene der Lagen miteinander verbunden werden, dadurch gekennzeichnet, daß die Lagen nur im Verbindungsbereich in Streifen geschnitten und paarweise abwechselnd aus der Ebene der Lagen herausgedrückt werden.1. A method for the adhesive-free connection of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, the layers being placed one on top of the other in the connection area and being connected to one another by alternating deformation approximately transversely to the plane of the layers, characterized in that the layers only cut into strips in the connection area and pressed alternately in pairs out of the plane of the layers. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Streifen bogenförmig aus den Lagen herausge­drückt werden.2. The method according to claim 1, characterized in that the strips are pressed out in an arc from the layers. 3. Verpackung bestehend aus mindestens zwei Lagen aus Papier, dünnem Karton, insbesondere Craftpapier und Recycling-Papier, die mit mindestens einer durch Ver­formen der Lagen gebildeten Verbindungs-"Naht" mitein­ander verbunden sind, dadurch gekennzeichnet, daß die Verbindungs-"Naht" (26) durch paarweise aus den Lagen (Bahn 11, 11′) geschnittene und paarweise abwechselnd und zueinander entgegengesetzt aus diesen herausge­drückte Streifen (24, 24′) gebildet ist.3. Packaging consisting of at least two layers of paper, thin cardboard, in particular craft paper and recycled paper, which are connected to one another by at least one connecting "seam" formed by deforming the layers, characterized in that the connecting "seam" ( 26) by pairs of the layers (web 11, 11 ') cut and in pairs alternately and opposite to each other pressed out strips (24, 24') is formed. 4. Verpackung nach Anspruch 3, dadurch gekennzeichnet, daß die Streifen (24, 24′) bogenförmig gekrümmt sind.4. Packaging according to claim 3, characterized in that the strips (24, 24 ') are curved in an arc. 5. Verpackung nach Anspruch 3 oder 4, dadurch gekenn­zeichnet, daß für das Verhältnis der Länge (d) der Streifen (24, 24′) zu ihrer Breite (e) gilt 7 e ≧ d ≧ 2 e.5. Packaging according to claim 3 or 4, characterized in that for the ratio of the length (d) Stripes (24, 24 ') to their width (e) applies 7 e ≧ d ≧ 2 e. 6. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2, und zur Herstellung der Verpackung nach einem der Ansprüche 3 bis 5 mit einem Werkzeug zum Verformen von mindestens zwei aufeinander angeord­neten Lagen aus Papier, dünnem Karton, insbesondere Craftpapier und Recycling-Papier, dadurch gekennzeich­net, daß zwei einander komplementäre Stanz-Drück-Werk­zeuge (19, 20; 30, 31) einander paarweise zugeordnet sind, die wechselweise mit Stanzzähnen (21; 38) verse­hen sind, wobei jeweils ein Stanzzahn (21; 38) eines Stanz-Drück-Werkzeuges (19 bzw. 20; 30 bzw. 31) in ei­nen Zwischenraum (22; 39) zwischen zwei benachbarten Stanzzähnen (21; 38) des anderen StanzDrück-Werkzeuges (20 bzw 19; 31 bzw. 30) eingreifend ausgebildet ist, wobei die Breite (a) des jeweiligen Zwischenraumes (22; 39) im wesentlichen der Breite (b) des jeweiligen Stanzzahnes (21; 38) entspricht und wobei die den je­weiligen Stanzzahn (21; 38) zum benachbarten Zwischen­raum (22; 39) begrenzende Kante als Schneidkante (23) ausgebildet ist.6. Device for carrying out the method according to claim 1 or 2, and for producing the packaging according to one of claims 3 to 5 with a tool for deforming at least two layers of paper, thin cardboard, in particular craft paper and recycled paper arranged one above the other, thereby characterized in that two mutually complementary punch-press tools (19, 20; 30, 31) are assigned to one another in pairs, which are alternately provided with punch teeth (21; 38), each with a punch tooth (21; 38) of a punch-press - Tool (19 or 20; 30 or 31) is designed to engage in an intermediate space (22; 39) between two adjacent punching teeth (21; 38) of the other punch-pressing tool (20 or 19; 31 or 30), whereby the width (a) of the respective space (22; 39) essentially corresponds to the width (b) of the respective punch tooth (21; 38) and the edge defining the respective punch tooth (21; 38) to the adjacent space (22; 39) as S cutting edge (23) is formed. 7. Vorrichtung nach Anspruch 6, dadurch gekennzeich­net, daß das eine Stanz-Drück-Werkzeug (19) an einem Werkzeugträger (Werkzeugbalken 14) und das andere Stanz-Drück-Werkzeug (20) an einem weiteren Werkzeug­träger (Werkzeugbalken 15) angebracht ist, die relativ zueinander aufeinander zu und voneinander weg bewegbar sind.7. The device according to claim 6, characterized in that the one punch-press tool (19) on a tool carrier (tool bar 14) and the other punch-press tool (20) is attached to a further tool carrier (tool bar 15), which are movable towards and away from one another. 8. Vorrichtung nach Anspruch 7, dadurch gekennzeich­ net, daß an jedem Werkzeugträger (Werkzeugbalken 14 bzw. 15) zwei Stanz-Drück-Werkzeuge (19 bzw. 20) ange­bracht sind.8. The device according to claim 7, characterized in net that on each tool carrier (tool bar 14 or 15) two punch-press tools (19 and 20) are attached. 9. Vorrichtung nach Anspruch 8, dadurch gekennzeich­net, daß an mindestens einem Werkzeugträger (Werkzeug­balken 14) zwischen den Stanz-Drück-Werkzeugen (19) ein Schneidmesser (17) angeordnet ist.9. The device according to claim 8, characterized in that a cutting knife (17) is arranged on at least one tool carrier (tool bar 14) between the punching-pressing tools (19). 10. Vorrichtung nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, daß die Stanz-Drück-Werkzeuge (30, 31) als Räder (36, 37) ausgebildet sind, die auf ihrem Außenumfang die Stanzzähne (38) tragen.10. Device according to one of claims 6 to 9, characterized in that the punch-press tools (30, 31) are designed as wheels (36, 37) which carry the punch teeth (38) on their outer circumference. 11. Vorrichtung nach Anspruch 10, dadurch gekennzeich­net, daß sie als Handgerät ausgebildet ist.11. The device according to claim 10, characterized in that it is designed as a hand-held device.
EP90113397A 1989-07-26 1990-07-13 Apparatus for adhesive-free joining of layers of paper, thin carton, or similar materials Expired - Lifetime EP0410226B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3934649 1989-07-26
DE3924649A DE3924649A1 (en) 1989-07-26 1989-07-26 METHOD FOR ADHESIVE-FREE JOINING OF PAGES OF PAPER, THIN CARDBOARD OD. THE LIKE, PACKAGING PRODUCED THEREOF AND DEVICE FOR CARRYING OUT THE METHOD AND FOR PRODUCING THE PACKAGING

Publications (3)

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EP0410226A2 true EP0410226A2 (en) 1991-01-30
EP0410226A3 EP0410226A3 (en) 1992-05-20
EP0410226B1 EP0410226B1 (en) 1995-06-28

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CN106064750A (en) * 2015-04-21 2016-11-02 佛山市宝索机械制造有限公司 Folding napkin fixing means before cutting and the folding napkin of gained
CN106144707A (en) * 2015-04-02 2016-11-23 佛山市宝索机械制造有限公司 The method of fixing toilet roll tail end and the toilet roll of gained
CN107685886A (en) * 2016-08-04 2018-02-13 佛山市宝索机械制造有限公司 Wrap up the method and device of paper roll

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DE202009009396U1 (en) * 2009-07-09 2010-11-18 Optima Filling And Packaging Machines Gmbh Packing unit in cuboid shape

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CN106144707A (en) * 2015-04-02 2016-11-23 佛山市宝索机械制造有限公司 The method of fixing toilet roll tail end and the toilet roll of gained
CN106064750A (en) * 2015-04-21 2016-11-02 佛山市宝索机械制造有限公司 Folding napkin fixing means before cutting and the folding napkin of gained
CN107685886A (en) * 2016-08-04 2018-02-13 佛山市宝索机械制造有限公司 Wrap up the method and device of paper roll

Also Published As

Publication number Publication date
EP0410226B1 (en) 1995-06-28
DE59009319D1 (en) 1995-08-03
DE3924649A1 (en) 1991-01-31
EP0410226A3 (en) 1992-05-20

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