EP1254763B1 - Glueing station for machine making envelopes, shipping bags and the like - Google Patents

Glueing station for machine making envelopes, shipping bags and the like Download PDF

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Publication number
EP1254763B1
EP1254763B1 EP02008695A EP02008695A EP1254763B1 EP 1254763 B1 EP1254763 B1 EP 1254763B1 EP 02008695 A EP02008695 A EP 02008695A EP 02008695 A EP02008695 A EP 02008695A EP 1254763 B1 EP1254763 B1 EP 1254763B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
gluing station
von
station according
application
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02008695A
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German (de)
French (fr)
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EP1254763A2 (en
EP1254763A3 (en
Inventor
Siegfried Fuchs
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.)
Winkler and Duennebier GmbH
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Winkler and Duennebier GmbH
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Publication of EP1254763A3 publication Critical patent/EP1254763A3/en
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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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Definitions

  • the invention relates to a gluing station for a machine for manufacturing of envelopes, envelopes, shipping bags and the like with the features of the preamble of claim 1.
  • Gluing stations of the type of interest here are known (DE 43 14 685) and are used to apply adhesive to the flaps. After application, the adhesive is covered with a protective strip covered.
  • the protective strip can be a silicone paper, for example and is only removed when the closure flap after filling the envelope / envelope or the shipping bag the respective content should be closed.
  • Such envelopes or shipping bags are required in large numbers, the Glue after removing the protective strips from the flaps must give a good and secure hold.
  • the invention has for its object the uses and uses for making envelopes / envelopes or to improve machines that serve shipping bags.
  • the invention provides that optionally one Device for applying different adhesive serves and that the equipment not required when operating the other Set up sufficiently from the trajectory of the glue too accidentally removed products.
  • the gluing station according to the invention according to claim 1 is capable of different types Process adhesives.
  • This can be a wet glue with a solid content of 45%, for example, and with solvents of the order of magnitude of 55% or a hot melt adhesive (hot melt) with a solids content of 95%, for example, that when heated becomes soft or almost liquid and then when drying or Cooling solidifies without losing its adhesive properties.
  • hot melt hot melt adhesive
  • the device for applying at least one of the adhesives to be processed pivoted away from the usual working position and preferably can be folded up. This preferably applies to the facility for applying wet glue.
  • the other device for applying the hot melt adhesive comprises according to the invention a suitable hot melt nozzle and according to one embodiment additionally a transfer element, for example in the form a transfer roller or the like. Instead of this, it can also be used a strap may be provided. With the help of the transfer element portioned the hot glue and placed it on the flap of the product Clock of the machine applied.
  • a machine 1 for producing envelopes, envelopes 2 and / or shipping bags with a closure flap 3 comprises several Stations, of which only parts of a bottom flap folding station are shown schematically in FIG. 1 4 and a side flap folding station 5 are shown are.
  • the envelopes 2 arrive from the side flap folding station 5 and the like in a relay station 6 with a relay wheel 7, with whose help the individually arriving products, envelopes 2 or shipping bags pushed together overlapping each other and then be transported to an adhesive station 8.
  • In the gluing station 8 becomes an adhesive 9 on the inside of the flaps 3 of the envelopes 2 or mailing bags applied and then each with the help of a protective strip 10 until the envelopes are used 2 or the like covered (Fig. 2). It is understood that 1 and 2 representative of any envelopes, envelopes or shipping bags show only one possible embodiment.
  • the gluing station 8 comprises according to the embodiment shown in FIG. 3 two different devices 11 and 12 for application of different adhesive 9. Depending on what is to be processed Adhesive 9 is either one device 11 or the other device 12 in operation.
  • the staggered ones pass through Products first the hot melt adhesive application facility / Hotmelt.
  • the device 11 for applying hot melt adhesive comprises one Nozzle head 13 for the liquid hot melt adhesive.
  • the facility 11 also has a nozzle 15, via which the in an external reservoir located adhesive 9 first in the nozzle head 13 and then via the nozzle 15 to a transfer element 16 and from there in time the machine 1 is delivered to the products.
  • the transfer element 16 is a according to the embodiment shown in FIG. 3 Transfer roller.
  • the second is located behind the device 11 in the direction of transport Means 12 for applying the other to be processed if necessary Adhesive 9.
  • Adhesive 9 can be, for example, a wet adhesive.
  • the facility 11 for the hot melt adhesive is just like the device 12 for the wet glue with its components from the movement path of the Products can be moved out.
  • the device 12 is around, for example an axis 18 is pivotally mounted and can in the in FIGS. 3 to 6 illustrated embodiments can be pivoted up. This is shown in Figs. 3 and 5 and 6.
  • the device 12 for the wet glue includes all the basic requirements and known individual components. As a unit it is in hers Entirely pivotable about the axis 18 and not in one in FIG. 1 shown working position lockable or fixable.
  • the device 12 is in the Working position while the other device 11 with all of their Components is sufficiently far from the working position.
  • the gluing station 8 finally includes a device 19 for Apply the protective strip 10 to the products.
  • This facility 19 has all of the components known and required for this purpose on.
  • a web 21 wound into a roll 20 delivers the Protective strips 10, which are isolated in the device 19 in a known manner and applied to the products.
  • FIG. 5 A machine 1 with a slightly modified gluing station 8a is shown in Fig. 5. Basically the same parts have the same Reference numbers as in the embodiment according to FIGS. 3 and 4 and modified parts also have the letter index a.
  • the gluing station 8a in turn comprises a device 11a for Hot melt adhesive and in addition the devices 12 as in the first Embodiment.
  • the device 11a differs from that Device 11 in that the nozzle 15a on the nozzle head 13a Apply adhesive 9 directly to the flap 3 of the product. A transfer roller 16 is therefore missing.
  • the nozzle 15a opens and closes in time with the machine 1 and thereby gives precisely the adhesive 9 in the form of a strip like that first described embodiment of the flap 3.
  • the adhesive station 8 a transfer element 16b in the form of a transfer belt, which between the nozzle 15 of the nozzle head 13 and the products is arranged.
  • the transfer belt has the same function and mode of operation as that Transfer roller in the embodiment according to FIGS. 3 and 4.
  • the invention is not limited to that shown and described in the figures Circumstances are limited, but there are also others Modifications and additions possible without deviating from the inventive idea departing. It is essential that the machine 1 is a multiple gluing station , the respective additional device 11 or 12 can already be provided for a new machine, or one or more additional adhesive devices can also can be retrofitted into existing machines 1. It is for that only required that the device not required in individual cases switched off while the other facility is active and to a sufficient extent from their trajectory is removed.

Abstract

Der Erfindung betrifft eine Klebestation f}r eine Maschine (1) zum Herstellen von Briefh}llen, Briefumschl{gen (2) und/oder von Versandbeuteln und dergleichen, die jeweils eine Verschlussklappe (3) aufweisen, wobei die Klebestation (8,8a) zum Auftragen von Klebstoff (9), insbesondere in Form eines Haftklebers auf die Verschlussklappen (3) dient und wobei der Klebstoff (9) nach dem Auftragen mit einem bis zum Gebrauch sch}tzenden Schutzstreifen (10) abgedeckt wird. Der Kern der Erfindung besteht darin, dass mindestens zwei Einrichtungen (11,11a,12) zum Auftragen von unterschiedlichem Klebstoff vorgesehen sind.

Description

Die Erfindung betrifft eine Klebestation für eine Maschine zum Herstellen von Briefhüllen, Briefumschlägen, Versandbeuteln und dergleichen mit den Merkmalen des Oberbegriffes von Anspruch 1.The invention relates to a gluing station for a machine for manufacturing of envelopes, envelopes, shipping bags and the like with the features of the preamble of claim 1.

Klebestationen der hier interessierenden Art sind bekannt (DE 43 14 685) und dienen zum Auftragen von Klebstoff auf die Verschlußklappen. Nach dem Auftragen wird der Klebstoff mit einem Schutzstreifen abgedeckt. Der Schutzstreifen kann zum Beispiel ein Silikonpapier sein und wird erst dann entfernt, wenn die Verschlußklappe nach dem Füllen der Briefhülle / des Briefumschlages bzw. des Versandbeutels mit dem jeweiligen Inhalt verschlossen werden soll. Derartige Briefumschläge bzw. Versandbeutel werden in großer Zahl benötigt, wobei der Klebstoff nach dem Entfernen der Schutzstreifen den Verschlußklappen einen guten und sicheren Halt geben muß.Gluing stations of the type of interest here are known (DE 43 14 685) and are used to apply adhesive to the flaps. After application, the adhesive is covered with a protective strip covered. The protective strip can be a silicone paper, for example and is only removed when the closure flap after filling the envelope / envelope or the shipping bag the respective content should be closed. Such envelopes or shipping bags are required in large numbers, the Glue after removing the protective strips from the flaps must give a good and secure hold.

Der Erfindung liegt die Aufgabe zugrunde, die Einsatz- und Verwendungsmöglichkeiten der zum Herstellen von Briefhüllen / Briefumschlägen bzw. Versandbeuteln dienenden Maschinen zu verbessern. The invention has for its object the uses and uses for making envelopes / envelopes or to improve machines that serve shipping bags.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß wahlweise eine Einrichtung zum Auftragen von unterschiedlichem Klebstoff dient und daß die jeweils nicht benötigte Einrichtung beim Betrieb der anderen Einrichtung ausreichend aus der Bewegungsbahn der mit Klebstoff zu versehenden Produkte entfernt ist.To achieve this object, the invention provides that optionally one Device for applying different adhesive serves and that the equipment not required when operating the other Set up sufficiently from the trajectory of the glue too accidentally removed products.

Die erfindungsgemäße Klebestation nach Anspruch 1 ist in der Lage, verschiedenartige Klebstoffe zu verarbeiten. Dies kann ein Naßkleber mit einem Feststoffanteil von zum Beispiel 45 %, und mit Lösemittel in der Größenordnung von 55 % oder auch ein Schmelzkleber / Heißleim (hotmelt) mit einem Feststoffanteil zum Beispiel von 95 % sein, der beim Erhitzen weich bzw. annähernd flüssig wird und dann beim Abtrocknen bzw. Abkühlen erstarrt, ohne dabei seine Klebeeigenschaften zu verlieren. Zweckmäßig ist es, wenn ein und dieselbe Briefumschlagmaschine derart ausgerüstet ist, daß sie sowohl den besagten Naßkleber als auch einen Schmelzkleber oder sonstige Klebstoffe verarbeiten kann, und wenn dazu von vornherein zwei oder mehr jeweils geeignete Einrichtungen mit den notwendigen Komponenten vorhanden sind.The gluing station according to the invention according to claim 1 is capable of different types Process adhesives. This can be a wet glue with a solid content of 45%, for example, and with solvents of the order of magnitude of 55% or a hot melt adhesive (hot melt) with a solids content of 95%, for example, that when heated becomes soft or almost liquid and then when drying or Cooling solidifies without losing its adhesive properties. It is useful if one and the same envelope machine is equipped that they both said wet glue and can process a hot melt adhesive or other adhesives, and if there are two or more suitable facilities from the outset with the necessary components.

In Weiterbildung der Erfindung ist vorgesehen, daß die Einrichtung zum Auftragen von mindestens einem der zu verarbeitenden Klebstoffe aus der üblichen Arbeitsposition weggeschwenkt und vorzugsweise hochgeklappt werden kann. Dies gilt vorzugsweise für die Einrichtung zum Auftragen von Naßkleber.In a development of the invention it is provided that the device for applying at least one of the adhesives to be processed pivoted away from the usual working position and preferably can be folded up. This preferably applies to the facility for applying wet glue.

Die andere Einrichtung zum Auftragen des Schmelzklebers umfaßt erfindungsgemäß eine geeignete Heißleimdüse und gemäß einem Ausführungsbeispiel zusätzlich ein Transferelement zum Beispiel in Gestalt einer Transferwalze oder dergleichen. So kann statt dessen auch zusätzlich ein Gurt vorgesehen sein. Mit Hilfe des Transferelementes wird der Heißleim portioniert und auf die Verschlußklappe des Produktes im Takt der Maschine aufgetragen. The other device for applying the hot melt adhesive comprises according to the invention a suitable hot melt nozzle and according to one embodiment additionally a transfer element, for example in the form a transfer roller or the like. Instead of this, it can also be used a strap may be provided. With the help of the transfer element portioned the hot glue and placed it on the flap of the product Clock of the machine applied.

Weitere Merkmale der Erfindung gehen aus Unteransprüchen im Zusammenhang mit der Beschreibung und der Zeichnung hervor.Further features of the invention are related to the subclaims with the description and the drawing.

Die Erfindung wird nachstehend anhand von Ausführungsbeispielen, die in der Zeichnung dargestellt sind, näher beschrieben. Dabei zeigen:

Fig. 1
eine Darstellung eines geöffneten Briefumschlages;
Fig. 2
eine Ansicht eines Briefumschlages gemäß Fig. 1 mit einem Schutzstreifen auf dem Klebstoff;
Fig. 3
eine Prinzipskizze einer Klebestation mit zwei Einrichtungen zum Auftragen von Klebstoff, wobei die Einrichtung zum Auftragen von Heißleim eine Transferwalze umfaßt und sich in der Arbeitsposition befindet, während die andere Einrichtung zum Auftragen von Naßkleber weggeschwenkt bzw. hochgeschwenkt ist;
Fig. 4
eine Prinzipskizze ähnlich der von Fig. 3 mit der Einrichtung zum Auftragen von Naßkleber in der Arbeitsposition, wobei die Einrichtung zum Auftragen von flüssigem Schmelzkleber in ausreichendem Abstand von der anderen Einrichtung zum Auftragen von Klebstoff angeordnet ist;
Fig. 5
eine Ansicht wie in Fig. 3 mit einer Einrichtung zum Auftragen ohne Transferelement und
Fig. 6
eine Ansicht ähnlich der von Fig. 3, wobei als Transferelement ein Transfergurt vorgesehen ist.
The invention is described below with reference to exemplary embodiments which are illustrated in the drawing. Show:
Fig. 1
a representation of an opened envelope;
Fig. 2
a view of an envelope according to Figure 1 with a protective strip on the adhesive.
Fig. 3
a schematic diagram of a gluing station with two devices for applying adhesive, the device for applying hot glue comprises a transfer roller and is in the working position, while the other device for applying wet glue is pivoted away or up;
Fig. 4
a schematic diagram similar to that of Figure 3 with the device for applying wet adhesive in the working position, wherein the device for applying liquid hot melt adhesive is arranged at a sufficient distance from the other device for applying adhesive.
Fig. 5
a view as in Fig. 3 with a device for application without transfer element and
Fig. 6
a view similar to that of Fig. 3, wherein a transfer belt is provided as a transfer element.

Eine Maschine 1 zum Herstellen von Briefhüllen, Briefumschlägen 2 und/oder Versandbeuteln mit einer Verschlußklappe 3 umfaßt mehrere Stationen, von denen in Fig. 1 jeweils schematisch nur Teile einer Bodenklappenfaltstation 4 und eine Seitenklappenfaltstation 5 dargestellt sind. Aus der Seitenklappenfaltstation 5 gelangen die Briefumschläge 2 und dergleichen in eine Staffelstation 6 mit einem Staffelrad 7, mit dessen Hilfe die einzeln ankommenden Produkte, Briefumschläge 2 bzw. Versandbeutel einander überlappend zusammengeschoben und sodann in eine Klebestation 8 weitertransportiert werden. In der Klebestation 8 wird ein Klebstoff 9 auf die Innenseiten der Verschlußklappen 3 der Briefumschläge 2 bzw. Versandbeutel aufgetragen und sodann jeweils mit Hilfe eines Schutzstreifens 10 bis zum Gebrauch der Briefumschläge 2 oder dergleichen abgedeckt (Fig. 2). Es versteht sich, daß die Fig. 1 und 2 stellvertretend für beliebige Briefhüllen, Briefumschläge bzw. Versandbeutel nur eine mögliche Ausführungsform zeigen.A machine 1 for producing envelopes, envelopes 2 and / or shipping bags with a closure flap 3 comprises several Stations, of which only parts of a bottom flap folding station are shown schematically in FIG. 1 4 and a side flap folding station 5 are shown are. The envelopes 2 arrive from the side flap folding station 5 and the like in a relay station 6 with a relay wheel 7, with whose help the individually arriving products, envelopes 2 or shipping bags pushed together overlapping each other and then be transported to an adhesive station 8. In the gluing station 8 becomes an adhesive 9 on the inside of the flaps 3 of the envelopes 2 or mailing bags applied and then each with the help of a protective strip 10 until the envelopes are used 2 or the like covered (Fig. 2). It is understood that 1 and 2 representative of any envelopes, envelopes or shipping bags show only one possible embodiment.

Die Klebestation 8 umfaßt gemäß dem in Fig. 3 dargestellten Ausführungsbeispiel zwei verschiedene Einrichtungen 11 und 12 zum Auftragen von unterschiedlichem Klebstoff 9. Je nach zu verarbeitendem Klebstoff 9 ist entweder die eine Einrichtung 11 oder die andere Einrichtung 12 in Betrieb.The gluing station 8 comprises according to the embodiment shown in FIG. 3 two different devices 11 and 12 for application of different adhesive 9. Depending on what is to be processed Adhesive 9 is either one device 11 or the other device 12 in operation.

Gemäß der Darstellung in Fig. 3 durchlaufen die gestaffelt angeordneten Produkte zuerst die Einrichtung zum Auftragen von Schmelzkleber / Heißleim (hotmelt).According to the illustration in FIG. 3, the staggered ones pass through Products first the hot melt adhesive application facility / Hotmelt.

Die Einrichtung 11 zum Auftragen von Schmelzkleber umfaßt einen Düsenkopf 13 für den flüssigen Schmelzkleber. Die Einrichtung 11 weist ferner eine Düse 15 auf, über die der in einem externen Vorratsbehälter befindliche Klebstoff 9 zunächst in den Düsenkopf 13 und dann über die Düse 15 an ein Transferelement 16 und von dort im Takt der Maschine 1 an die Produkte abgegeben wird. Das Transferelement 16 ist gemäß dem in Fig. 3 dargestellten Ausführungsbeispiel eine Transferwalze.The device 11 for applying hot melt adhesive comprises one Nozzle head 13 for the liquid hot melt adhesive. The facility 11 also has a nozzle 15, via which the in an external reservoir located adhesive 9 first in the nozzle head 13 and then via the nozzle 15 to a transfer element 16 and from there in time the machine 1 is delivered to the products. The transfer element 16 is a according to the embodiment shown in FIG. 3 Transfer roller.

In Transportrichtung hinter der Einrichtung 11 befindet sich die zweite Einrichtung 12 zum Auftragen des anderen, bei Bedarf zu verarbeitenden Klebstoffes 9. Dies kann zum Beispiel ein Naßkleber sein. Die Einrichtung 11 für den Schmelzkleber ist ebenso wie die Einrichtung 12 für den Naßkleber mit ihren Komponenten aus der Bewegungsbahn der Produkte herausbewegbar. Dazu ist die Einrichtung 12 zum Beispiel um eine Achse 18 schwenkbar gelagert und kann bei den in den Fig. 3 bis 6 dargestellten Ausführungsbeispielen hochgeschwenkt werden. Dies ist in den Fig. 3 und 5 sowie 6 dargestellt.The second is located behind the device 11 in the direction of transport Means 12 for applying the other to be processed if necessary Adhesive 9. This can be, for example, a wet adhesive. The facility 11 for the hot melt adhesive is just like the device 12 for the wet glue with its components from the movement path of the Products can be moved out. For this purpose, the device 12 is around, for example an axis 18 is pivotally mounted and can in the in FIGS. 3 to 6 illustrated embodiments can be pivoted up. This is shown in Figs. 3 and 5 and 6.

Die Einrichtung 12 für den Naßkleber umfaßt alle grundsätzlich benötigten und bekannten Einzelkomponenten. Als Einheit ist sie in ihrer Gesamtheit um die Achse 18 schwenkbar und in einer in Fig. 1 nicht dargestellten Arbeitsposition verriegelbar bzw. fixierbar.The device 12 for the wet glue includes all the basic requirements and known individual components. As a unit it is in hers Entirely pivotable about the axis 18 and not in one in FIG. 1 shown working position lockable or fixable.

Gemäß der Darstellung in Fig. 4 befindet sich die Einrichtung 12 in der Arbeitsposition, während die andere Einrichtung 11 mit allen ihren Komponenten ausreichend weit von der Arbeitsposition entfernt ist.4, the device 12 is in the Working position while the other device 11 with all of their Components is sufficiently far from the working position.

Die Klebestation 8 umfaßt schließlich noch eine Einrichtung 19 zum Auftragen des Schutzstreifens 10 auf die Produkte. Diese Einrichtung 19 weist alle hierzu grundsätzlich bekannten und erforderlichen Komponenten auf. Eine zu einer Rolle 20 aufgewickelte Bahn 21 liefert die Schutzstreifen 10, die in der Einrichtung 19 in bekannter Weise vereinzelt und auf die Produkte aufgetragen werden.The gluing station 8 finally includes a device 19 for Apply the protective strip 10 to the products. This facility 19 has all of the components known and required for this purpose on. A web 21 wound into a roll 20 delivers the Protective strips 10, which are isolated in the device 19 in a known manner and applied to the products.

Eine Maschine 1 mit einer geringfügig abgewandelten Klebestation 8a ist in Fig. 5 dargestellt. Grundsätzlich gleiche Teile weisen dieselben Bezugszahlen wie bei der Ausführungsform gemäß den Fig. 3 und 4 und abgewandelte Teile weisen ergänzend den Buchstabenindex a auf.A machine 1 with a slightly modified gluing station 8a is shown in Fig. 5. Basically the same parts have the same Reference numbers as in the embodiment according to FIGS. 3 and 4 and modified parts also have the letter index a.

Die Klebestation 8a umfaßt wiederum eine Einrichtung 11a für Schmelzkleber und zusätzlich die Einrichtungen 12 wie bei dem ersten Ausführungsbeispiel. Die Einrichtung 11a unterscheidet sich von der Einrichtung 11 dadurch, daß die Düse 15a am Düsenkopf 13a den Klebstoff 9 unmittelbar auf die Verschlußklappe 3 des Produktes aufträgt. Eine Transferwalze 16 fehlt daher.The gluing station 8a in turn comprises a device 11a for Hot melt adhesive and in addition the devices 12 as in the first Embodiment. The device 11a differs from that Device 11 in that the nozzle 15a on the nozzle head 13a Apply adhesive 9 directly to the flap 3 of the product. A transfer roller 16 is therefore missing.

Die Düse 15a öffnet und schließt im Takt der Maschine 1 und gibt dadurch taktgenau den Klebstoff 9 in Gestalt eines Streifens wie bei dem zuerst beschriebenen Ausführungsbeispiel an die Verschlußklappe 3 ab.The nozzle 15a opens and closes in time with the machine 1 and thereby gives precisely the adhesive 9 in the form of a strip like that first described embodiment of the flap 3.

Gemäß einem weiteren Ausführungsbeispiel umfaßt die Klebestation 8 ein Transferelement 16b in Gestalt eines Transfergurtes, der zwischen der Düse 15 des Düsenkopfes 13 und den Produkten angeordnet ist. Der Transfergurt besitzt dieselbe Funktion und Wirkungsweise wie die Transferwalze bei dem Ausführungsbeispiel gemäß den Fig. 3 und 4.According to a further exemplary embodiment, the adhesive station 8 a transfer element 16b in the form of a transfer belt, which between the nozzle 15 of the nozzle head 13 and the products is arranged. The transfer belt has the same function and mode of operation as that Transfer roller in the embodiment according to FIGS. 3 and 4.

Die Erfindung ist nicht auf die in den Figuren dargestellten und beschriebenen Sachverhalte beschränkt, vielmehr sind auch noch weitere Abwandlungen und Ergänzungen möglich, ohne von dem Erfindungsgedanken abzuweichen. Wesentlich ist, daß die Maschine 1 eine Mehrfach-Klebestation aufweist, wobei die jeweils zusätzliche Einrichtung 11 oder 12 bereits bei einer neuen Maschine vorgesehen sein können, oder eine bzw. mehrere zusätzliche Klebeeinrichtungen können auch nachträglich in vorhandene Maschinen 1 eingebaut werden. Dazu ist es lediglich erforderlich, daß die im Einzelfall nicht benötigte Einrichtung während des Wirksamseins der jeweils anderen Einrichtung ausgeschaltet und in ausreichendem Umfang aus deren Bewegungsbahn entfernt ist.The invention is not limited to that shown and described in the figures Circumstances are limited, but there are also others Modifications and additions possible without deviating from the inventive idea departing. It is essential that the machine 1 is a multiple gluing station , the respective additional device 11 or 12 can already be provided for a new machine, or one or more additional adhesive devices can also can be retrofitted into existing machines 1. It is for that only required that the device not required in individual cases switched off while the other facility is active and to a sufficient extent from their trajectory is removed.

Claims (7)

  1. Gluing station for a machine (1) for producing letter covers, envelopes (2) and/or despatch bags and the like, which each have a closure flap (3) wherein the gluing station (8, 8a) serves for application of adhesive (9), particularly in the form of pressure-sensitive adhesive, to the closure flaps (3) and wherein the adhesive (9) after application is covered by a protective strip (10) protecting until use and wherein at least two devices (11, 11a, 12) for application of different adhesive (9) are provided, characterised in that selectably one device (11, 12) serves for application of different adhesive (9) and that the respective device (11 or 12), which is not required, during operation of the other device (11 or 12) is removable to sufficient extent from the path of movement of the products to be provided with adhesive (9).
  2. Gluing station according to claim 1, characterised in that the device (11, 12) is pivotable into the working position and is pivotable out of the working position.
  3. Gluing station according to at least one of the preceding claims, characterised in that the device (11, 12) serving for application of adhesive (9) can be pivoted upwardly.
  4. Gluing station according to at least one of the preceding claims, characterised in that at least one nozzle (15, 15a), which operates in the cycle of the machine (1), for hot-melt-type adhesive or hot glue is provided and directly or indirectly applies hot-melt-type adhesive or hot glue to the closure flap (3) while the other device (12) is pivoted out of its working position.
  5. Gluing station according to at least one of the preceding claims, characterised in that the nozzle (15) delivers the hot-melt-type adhesive or hot glue to a transfer element (16), from which the adhesive (9) is then transferred to the letter cover, envelope (2) or despatch bag.
  6. Gluing station according to claim 5, characterised in that the transfer element (16) is a transfer roller.
  7. Gluing station according to claim 5, characterised in that the transfer element is a transfer belt (16b).
EP02008695A 2001-05-05 2002-04-18 Glueing station for machine making envelopes, shipping bags and the like Expired - Lifetime EP1254763B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10122573 2001-05-05
DE10122573A DE10122573A1 (en) 2001-05-09 2001-05-09 Gluing station for a machine for manufacturing envelopes, shipping bags and the like

Publications (3)

Publication Number Publication Date
EP1254763A2 EP1254763A2 (en) 2002-11-06
EP1254763A3 EP1254763A3 (en) 2003-07-02
EP1254763B1 true EP1254763B1 (en) 2004-09-15

Family

ID=7684191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008695A Expired - Lifetime EP1254763B1 (en) 2001-05-05 2002-04-18 Glueing station for machine making envelopes, shipping bags and the like

Country Status (4)

Country Link
EP (1) EP1254763B1 (en)
AT (1) ATE276095T1 (en)
DE (2) DE10122573A1 (en)
ES (1) ES2231606T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10255485B4 (en) * 2002-11-27 2008-02-21 Windmöller & Hölscher Kg Gluing unit for a floor laying device
DE202008015878U1 (en) * 2008-12-01 2010-04-15 Homag Holzbearbeitungssysteme Ag Device for coating workpieces
CN102442017B (en) * 2011-12-17 2013-06-19 南京卓能机械设备有限公司 Automatic glue prevention device for stick envelope machine
DE102013216113A1 (en) 2013-08-14 2015-03-05 Homag Holzbearbeitungssysteme Gmbh coating unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391617A (en) * 1966-08-03 1968-07-09 Big Drum Inc Method and machine for forming paper cones
US3672328A (en) * 1970-09-23 1972-06-27 Emanuel S Kardon Means for applying adhesive to paper bags or the like
US3935810A (en) * 1972-01-31 1976-02-03 Arvey Corporation Pouches
US4865578A (en) * 1988-05-16 1989-09-12 Moll Richard J Glue head mounting bracket for glue applying folding machines
DE4314685A1 (en) * 1993-05-04 1994-11-10 Winkler Duennebier Kg Masch Method and device for gluing paper and / or plastic or mixed products with a pressure sensitive adhesive

Also Published As

Publication number Publication date
ATE276095T1 (en) 2004-10-15
DE50200983D1 (en) 2004-10-28
DE10122573A1 (en) 2002-11-14
EP1254763A2 (en) 2002-11-06
ES2231606T3 (en) 2005-05-16
EP1254763A3 (en) 2003-07-02

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