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EP1499534B1 - Pull-strip bag comprising adhesive tape - Google Patents

Pull-strip bag comprising adhesive tape Download PDF

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Publication number
EP1499534B1
EP1499534B1 EP03732271A EP03732271A EP1499534B1 EP 1499534 B1 EP1499534 B1 EP 1499534B1 EP 03732271 A EP03732271 A EP 03732271A EP 03732271 A EP03732271 A EP 03732271A EP 1499534 B1 EP1499534 B1 EP 1499534B1
Authority
EP
European Patent Office
Prior art keywords
bag
adhesive strip
region
front wall
bag according
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
EP03732271A
Other languages
German (de)
French (fr)
Other versions
EP1499534A1 (en
Inventor
Jakob Schneider
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.)
Lemo Maschinenbau GmbH
Original Assignee
Lemo Maschinenbau GmbH
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.)
Filing date
Publication date
Application filed by Lemo Maschinenbau GmbH filed Critical Lemo Maschinenbau GmbH
Publication of EP1499534A1 publication Critical patent/EP1499534A1/en
Application granted granted Critical
Publication of EP1499534B1 publication Critical patent/EP1499534B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
    • B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/28—Strings or strip-like closures, i.e. draw closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8135—Applying strings; Making string-closed bags the strings being applied in the machine direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8134—Applying strings; Making string-closed bags
    • B31B70/8137—Applying strings; Making string-closed bags the ends of the strings being attached to the side edges of the bags

Definitions

  • the invention relates to a bag made of themoplastic plastic film with a front wall and a rear wall, which are connected to form a filling opening by side seams and each formed in the region of the filling double-layered, with two extending over the bag width drawstrings, one of each between the two Layers of the front wall and the rear wall is inserted and which are connected to each other at both ends inextricably and with a tieback partially exposing handle hole.
  • a bag and a method for its production in which the front wall and the rear wall are each formed by an outer and inner film layer, which each extend over the entire wall surface.
  • a tension band extending over the width of the bag is inserted between the two film layers, wherein the two drawstrings are connected at their ends to the side welds of the bag.
  • a grip hole partially exposing the drawstring is arranged in each case.
  • the German application DE 101 51 843 discloses a bag made of a thermoplastic film having a front wall, a rear wall and two extending over the bag width drawstrings, the front wall and the rear wall at both corners each have the end portions of the drawstrings exposing punched out, that the two drawstrings are additionally welded together at least in an exposed end region with distance from the Endversch spaung, and that the drawstrings are made of an elastically extensible material.
  • the drawstrings limit a filling opening with a reduced cross-section, which is elastically extensible and thus enlargeable.
  • the thus designed Einglallrand of the bag can be stretched elastically stretched over the edge of a container and fix so sure.
  • the ends projecting beyond the second weld each form an exposed protruding eyelet from which the drawstrings can easily be packed to remove the bag from the container and to close the bag.
  • Such bags are often used for filling in bucket-shaped containers, such as garbage bags in trash.
  • the upper edge of the bag is usually pulled with the drawstring over the upper edge of the container, wherein the elastic drawstring fixed and seals the bag.
  • the invention is therefore an object of the invention to improve a bag of the generic type in such a way that it can be fixed at a container edge improved with ease of manufacture.
  • This object is achieved in that on at least one of the surfaces of the tension band, in the region of the handle hole, an adhesive strip is attached, which can be attached to reduce the cross section of the filling opening on the adjoining the handle hole wall.
  • the adhesive strip is fastened on the surface of the tension band, in the region of the handle hole and on the inside of the front wall.
  • the drawstring bags are wound from the machine coming in rolls. To use the bags, they must be unwound from the roll and separated via the perforation present between the bags.
  • the drawstring bag is inserted into the container and the upper hem is slipped over the container edge.
  • the everting of the bag space over the edge of the container requires that the adhesive strip is freely accessible in the region of the handle hole.
  • the tape can according to the invention consist of two areas. The first area represents the adhesive surface, which connects the adhesive strip inextricably with the drawstring. In the second area of the adhesive strip is provided with a removable cover, this cover may be made of a paper strip or a foil strip. In order for the cover to be easily removed from the adhesive strip, the cover may have an extension that is folded back against the cover.
  • the cover is made in several parts, consisting of separate parts or connected by means of a perforation, so that the cover can be partially removed.
  • the cover advantageously remains on the free end of the adhesive strip. This provided with the remaining part of the cover area of the adhesive strip serves as a grip zone for tensioning the tension band.
  • the drawstring After removing the cover from the adhesive strip, the drawstring can be stretched and fixed around the edge of the container.
  • the tension band is tensioned by pulling on the grip zone of the adhesive strip. After stretching, the adhesive strip can be fixed on the folded over the edge of the container bag edge. It is thus created the opportunity to tune the bag to a wide variety of diameters of containers.
  • Another advantage of the invention results from the use of the adhesive strip to the effect that the once fixed on the hem adhesive strip, for removal of the bag from the bucket, can be solved again. Furthermore, even a wide variety of voltages in the tension band can subsequently be generated.
  • the adhesive strip can also be used to close the Switzerlandband files.
  • the adhesive strip can be used in elastic and inelastic drawstrings. It is also to be expected at a lower cost compared to an existing of an elastic material drawstring, since the drawstring in the embodiment of the invention may inter alia consist of the bag material. As further advantageous, the use of the adhesive strip is to the effect that the drawstring can be adapted to any diameter of containers.
  • the adhesive strip is secured to the surface of the drawstring, in the region of the handle hole and on the inside of the front wall.
  • the tape can also be attached to the outside, so that an inner clamping is made possible by means of the tension band.
  • the execution of the adhesive strip may also vary.
  • the adhesive strip can be folded over one another several times in order to lengthen its area of action, in the manner of a zigzag folding, on which the drawstring is fastened.
  • the bag shown in Figure 1 is made of thermoplastic film. It consists of a front wall 1 and a rear wall 2, which are connected by side welds 3, 4 at their edges.
  • the bottom of the bag is closed by a bottom seam 5, which is produced by longitudinal welding or folding.
  • both the front wall 1 and the rear wall 2 are double-layered, as can be seen in FIG.
  • drawstring 7, 8 is inserted between the two layers of the front wall 1 and the rear wall 2. Both drawstrings 7, 8 extend over the entire bag width and are welded together at their ends with the side welds 3, 4, so that they form a closed, the feed opening 6 circumferential drawstring, as shown in Figure 2.
  • the double-layered, limited by the longitudinal weld 9 upper portion 10 of the front wall 1 has in the middle of the bag an arcuate punching 11, so that the tension band is exposed.
  • an arcuate punching 11 may additionally be present in the rear wall 2 a punched.
  • the punched hole 11 forms a grip hole through which the drawstring 7 can be grasped.
  • the position of the adhesive strip on the tension band 7 is represented by the dashed line 12.
  • the position of the adhesive strip 13 can also be seen from FIG.
  • the adhesive strip is attached to the surface 14 of the tension band 7.
  • an adhesive strip 13 according to the invention is shown in Figure 3, it is divided into two areas.
  • the first region of the adhesive strip 13 is formed from the adhesive surface 15, the adhesive surface is used for sticking on the tension band 7.
  • the adhesive strip 13 is provided with a cover 16.
  • the cover 16 has in this embodiment, an extension 17 which is folded back against the cover 16.
  • the extension 17 serves to release the cover 16 from the adhesive strip 13.
  • the cover 16 can be designed in two parts or it can be divided by way of a perforation 18. It is thus only a part of the cover removed from the tape. The remaining portion of the cover on the tape serves as a grip zone during tensioning of the drawstring.
  • FIG. 4 shows a container 20 and the upper region 10 of the drawback bag pulled over the container edge in the tensioned and fixed state.
  • tensioning the inelastic tension band 7 there is an overlap 21 in the region of the adhesive strip 13.
  • the grip zone 19 remains freely accessible, so that the adhesive strip can be released again.
  • Figure 5 shows the drawstring bag in a container 20 before tensioning the drawstring.
  • the upper portion 10 is slipped over the container edge. It can be seen the position of the drawstrings 7, 8 in the hem or in the upper region 10 of the Buchband files.
  • FIG. 6 shows a three-dimensional view of a container 20 with an inserted drawstring bag.
  • the adhesive strip 13 is glued on the upper region or seam of the Switzerlandband files.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention relates to a thermoplastic film bag comprising a front wall ( 1 ) and a rear wall ( 2 ), which are joined to one another by lateral weld seams ( 3, 4 ) while forming a filling opening ( 6 ) and are each double-plied in the area of the filling opening ( 6 ), and comprising two pull-strips ( 7, 8 ). These pull-strips extend over the width of the bag, whereby one is inserted between both plies of the front wall ( 1 ) and of the rear wall ( 2 ) and they are welded to one another at both ends thereof. The inventive bag also comprises a grasping hole ( 11 ) that at least partially exposes the pull-strip, and a partially detachable adhesive tape ( 13 ) is placed on the inner surface of the pull-strip ( 7 ) in the area of the grasping hole ( 11 ).

Description

Technisches GebietTechnical area

Die Erfindung betrifft einen Beutel aus themoplastischer Kunststoffolie mit einer Vorderwand und einer Rückwand, die unter Bildung einer Einfüllöffnung durch Seitennähte miteinander verbunden und jeweils im Bereich der Einfüllöffnung doppellagig ausgebildet sind, mit zwei sich über die Beutelbreite erstreckenden Zugbändern, von denen jeweils eines zwischen den beiden Lagen der Vorderwand und der Rückwand eingelegt ist und die an ihren beiden Enden miteinander unlösbar verbunden sind und mit einem das Zugband teilweise freilegenden Griffloch.The invention relates to a bag made of themoplastic plastic film with a front wall and a rear wall, which are connected to form a filling opening by side seams and each formed in the region of the filling double-layered, with two extending over the bag width drawstrings, one of each between the two Layers of the front wall and the rear wall is inserted and which are connected to each other at both ends inextricably and with a tieback partially exposing handle hole.

Stand der TechnikState of the art

Derartige Beutel, die mittels eines eingelegten Zugbands nach dem Befüllen verschlossen werden können, sind in vielfältiger Form bekannt. So beschreibt die DE 38 21 905 C1 einen Beutel, bei dem jeweils ein Zugband in einem an der Einfüllöffnung vorgesehenen umgeschlagenen und angeschweißten Saum eingelegt wird, der auch mit der Seitenschweißnaht verbunden ist. Ein Griffloch im mittleren Bereich des Saumes ermöglicht das Ergreifen des Zugbands.Such bags, which can be closed by means of an inserted drawstring after filling, are known in many forms. Thus, DE 38 21 905 C1 describes a bag in each of which a drawstring is inserted in a provided at the filling opening folded and welded seam, which is also connected to the side weld. A grip hole in the middle of the hem allows the pulling strap to be gripped.

Aus der EP 0700 835 A1 ist ein Beutel und ein Verfahren zu seiner Herstellung bekannt, bei dem die Vorderwand und die Rückwand jeweils von einer äußeren und inneren Folienlage gebildet werden, die sich jeweils über die gesamte Wandfläche erstrecken. Im Bereich der Einfüllöffnung ist jeweils zwischen die beiden Folienlagen ein sich über die Beutelbreite erstreckendes Zugband eingelegt, wobei die beiden Zugbänder an ihren Enden mit den Seitenschweißnähten des Beutels verbunden sind. Im mittleren Bereich jeder Doppellage ist jeweils ein das Zugband teilweise freilegendes Griffloch angeordnet.From EP 0700 835 A1 a bag and a method for its production is known, in which the front wall and the rear wall are each formed by an outer and inner film layer, which each extend over the entire wall surface. In the region of the filling opening, in each case a tension band extending over the width of the bag is inserted between the two film layers, wherein the two drawstrings are connected at their ends to the side welds of the bag. In the central region of each double layer, a grip hole partially exposing the drawstring is arranged in each case.

Die deutsche Anmeldung DE 101 51 843 offenbart einen Beutel aus einer thermoplastischen Kunststoffolie mit einer Vorderwand, einer Rückwand und zwei sich über die Beutelbreite erstreckenden Zugbändern, wobei die Vorderwand als auch die Rückwand an beiden Ecken jeweils die Endbereiche der Zugbänder freilegende Ausstanzungen aufweisen, daß die beiden Zugbänder zumindest in einem freigelegten Endbereich mit Abstand von der Endverschweißung zusätzlich miteinander verschweißt sind, und daß die Zugbänder aus einem elastisch dehnbaren Werkstoff hergestellt sind.The German application DE 101 51 843 discloses a bag made of a thermoplastic film having a front wall, a rear wall and two extending over the bag width drawstrings, the front wall and the rear wall at both corners each have the end portions of the drawstrings exposing punched out, that the two drawstrings are additionally welded together at least in an exposed end region with distance from the Endverschweißung, and that the drawstrings are made of an elastically extensible material.

Durch die zweite Verschweißung begrenzen die Zugbänder eine Einfüllöffnung mit verringertem Querschnitt, die elastisch dehnbar und somit vergrößerbar ist. Der so gestaltete Einfüllrand des Beutels läßt sich elastisch gespannt über den Rand eines Behälters ziehen und so sicher fixieren. Die über die zweite Schweißung überstehenden Enden bilden jeweils eine freiliegende hervorstehende Öse, an der die Zugbänder zum Entnehmen des Beutels aus dem Behälter und zum Verschließen des Beutels einfach gepackt werden können.Due to the second welding, the drawstrings limit a filling opening with a reduced cross-section, which is elastically extensible and thus enlargeable. The thus designed Einfüllrand of the bag can be stretched elastically stretched over the edge of a container and fix so sure. The ends projecting beyond the second weld each form an exposed protruding eyelet from which the drawstrings can easily be packed to remove the bag from the container and to close the bag.

Derartige Beutel werden häufig zum Befüllen in eimerförmige Behälter eingesetzt, beispielsweise als Müllbeutel in Mülleimer. Bei den bekannten Beuteln wird dabei üblicherweise der obere Rand des Beutels mit dem Zugband über den oberen Behälterrand gezogen, wobei das elastische Zugband den Beutel fixiert und abdichtet.Such bags are often used for filling in bucket-shaped containers, such as garbage bags in trash. In the known bags, the upper edge of the bag is usually pulled with the drawstring over the upper edge of the container, wherein the elastic drawstring fixed and seals the bag.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, einen Beutel der gattungsgemäßen Art in der Weise zu verbessern, daß er bei einfacher Fertigung verbessert an einem Behälterrand fixiert werden kann.The invention is therefore an object of the invention to improve a bag of the generic type in such a way that it can be fixed at a container edge improved with ease of manufacture.

Diese Aufgabe wird dadurch gelöst, daß an mindestens einer der Oberflächen des Zugbands, im Bereich des Grifflochs, ein Klebestreifen befestigt ist, der zur Verringerung des Querschnitts der Einfüllöffnung an der an das Griffloch angrenzenden Wand befestigt werden kann.This object is achieved in that on at least one of the surfaces of the tension band, in the region of the handle hole, an adhesive strip is attached, which can be attached to reduce the cross section of the filling opening on the adjoining the handle hole wall.

Durch das erfindungsgemäße Anordnen eines Klebestreifens, im Bereich des Grifflochs, ist nun die Möglichkeit gegeben, den Beutel leichter und sicherer am Behälterrand zu fixieren.By arranging an adhesive strip according to the invention, in the region of the handle hole, it is now possible to fix the bag more easily and securely on the edge of the container.

In einer Ausgestaltungsvariante der Erfindung ist der Klebestreifen auf der Oberfläche des Zugbands, im Bereich des Grifflochs und an der Innenseite der Vorderwand befestigt. Die Zugbandbeutel sind aus der Maschine kommend in Rollen gewickelt. Zur Verwendung der Beutel müssen diese von der Rolle abgewickelt und über die zwischen den Beuteln vorhandene Perforation getrennt werden.In one embodiment variant of the invention, the adhesive strip is fastened on the surface of the tension band, in the region of the handle hole and on the inside of the front wall. The drawstring bags are wound from the machine coming in rolls. To use the bags, they must be unwound from the roll and separated via the perforation present between the bags.

Der Zugbandbeutel wird in den Behälter eingelegt und der obere Saum über den Behälterrand gestülpt. Das Umstülpen des Beutelsaums über den Behälterrand bedingt, daß der Klebestreifen im Bereich des Grifflochs frei zugänglich ist. Der Klebestreifen kann erfindungsgemäß aus zwei Bereichen bestehen. Der erste Bereich stellt die Klebefläche dar, die den Klebestreifen unlösbar mit dem Zugband verbindet. Im zweiten Bereich ist der Klebestreifen mit einer lösbaren Abdeckung versehen, diese Abdeckung kann aus einem Papierstreifen oder aus einem Folienstreifen gefertigt sein. Damit die Abdeckung leicht von dem Klebestreifen zu entfernen ist, kann die Abdeckung eine Verlängerung aufweisen, die gegen die Abdeckung rückgefaltet ist.The drawstring bag is inserted into the container and the upper hem is slipped over the container edge. The everting of the bag space over the edge of the container requires that the adhesive strip is freely accessible in the region of the handle hole. The tape can according to the invention consist of two areas. The first area represents the adhesive surface, which connects the adhesive strip inextricably with the drawstring. In the second area of the adhesive strip is provided with a removable cover, this cover may be made of a paper strip or a foil strip. In order for the cover to be easily removed from the adhesive strip, the cover may have an extension that is folded back against the cover.

In einer wetieren Ausgestaltung der Erfindung wird die Abdeckung mehrteilig, bestehend aus separaten Teilen oder mittels einer Perforation verbunden ausgeführt, so daß die Abdeckung bereichsweise entfernt werden kann. Dabei verbleibt die Abdeckung vorteilhafterweise auf dem freien Ende des Klebestreifens. Dieser mit dem verbleibenden Teil der Abdeckung versehene Bereich des Klebestreifens dient dabei als Griffzone zum Spannen des Zugbands.In a wetieren embodiment of the invention, the cover is made in several parts, consisting of separate parts or connected by means of a perforation, so that the cover can be partially removed. The cover advantageously remains on the free end of the adhesive strip. This provided with the remaining part of the cover area of the adhesive strip serves as a grip zone for tensioning the tension band.

Nach dem Entfemen der Abdeckung von dem Klebestreifen kann das Zugband um den Behälterrand herum gespannt und fixiert werden. Erfindungsgemäß erfolgt das Spannen des Zugbands durch Ziehen an der Griffzone des Klebestreifens. Nach dem Spannen kann der Klebestreifen auf dem über den Behälterrand gestülpten Saum des Beutels fixiert werden. Es ist somit die Möglichkeit geschaffen, den Beutel auf unterschiedlichste Durchmesser von Behältern abzustimmen.After removing the cover from the adhesive strip, the drawstring can be stretched and fixed around the edge of the container. According to the invention, the tension band is tensioned by pulling on the grip zone of the adhesive strip. After stretching, the adhesive strip can be fixed on the folded over the edge of the container bag edge. It is thus created the opportunity to tune the bag to a wide variety of diameters of containers.

Ein weiterer erfindungsgemäßer Vorteil ergibt sich aus der Verwendung des Klebestreifens dahingehend, daß der einmal auf dem Saum fixierte Klebestreifen, zur Entnahme des Beutels aus dem Eimer, wieder gelöst werden kann. Weiterhin können auch nachträglich unterschiedlichste Spannungen in dem Zugband erzeugt werden können. Darüber hinaus kann der Klebestreifen auch zum Verschließen des Zugbandbeutels verwendet werden.Another advantage of the invention results from the use of the adhesive strip to the effect that the once fixed on the hem adhesive strip, for removal of the bag from the bucket, can be solved again. Furthermore, even a wide variety of voltages in the tension band can subsequently be generated. In addition, the adhesive strip can also be used to close the Zugbandbeutels.

Im Gegensatz zum zitierten Stand der Technik kann der Klebestreifen bei elastischen und unelastischen Zugbändern verwendet werden. Es ist auch mit geringeren Kosten gegenüber einem aus einem elastischen Werkstoff bestehenden Zugband zu rechnen, da das Zugband in der erfindungsgemäßen Ausgestaltung unter anderem aus dem Beutelwerkstoff bestehen kann. Als weiterhin vorteilhaft stellt sich der Einsatz des Klebestreifens dahingehend dar, daß das Zugband auf beliebige Durchmesser von Behältern angepaßt werden kann.In contrast to the cited prior art, the adhesive strip can be used in elastic and inelastic drawstrings. It is also to be expected at a lower cost compared to an existing of an elastic material drawstring, since the drawstring in the embodiment of the invention may inter alia consist of the bag material. As further advantageous, the use of the adhesive strip is to the effect that the drawstring can be adapted to any diameter of containers.

Bei dem dargestellten Ausführungsbeispiel eines Zugbandbeutels ist der Klebestreifen auf der Oberfläche des Zugbands, im Bereich des Grifflochs und an der Innnenseite der Vorderwand befestigt. Der Klebestreifen kann natürlich aber auch an der Außenseite befestigt sein, so daß ein Innenspannen mit Hilfe des Zugbands ermöglicht wird.In the illustrated embodiment of a drawstring bag, the adhesive strip is secured to the surface of the drawstring, in the region of the handle hole and on the inside of the front wall. Of course, the tape can also be attached to the outside, so that an inner clamping is made possible by means of the tension band.

Neben den dargestellten Ausführungsbeispielen der Zugbandbeutel und der Anordnung der Abedeckung auf dem Klebestreifen kann die Ausführung des Klebestreifens ebenfalls variieren. So kann zum Beispiel der Klebestreifen zur Verlängerung seines Wirkungsbereichs mehrfach übereinander gefaltet, nach Art einer Zickzackfaltung, auf dem Zugband befestigt sein.In addition to the illustrated embodiments of the drawstring bag and the arrangement of the cover on the adhesive strip, the execution of the adhesive strip may also vary. Thus, for example, the adhesive strip can be folded over one another several times in order to lengthen its area of action, in the manner of a zigzag folding, on which the drawstring is fastened.

Kurze Beschreibung der ZeichnungShort description of the drawing

In den Zeichnungen ist eine bevorzugte Ausführungsform eines erfindungsgemäßen Beutels dargestellt.In the drawings, a preferred embodiment of a bag according to the invention is shown.

Es zeigen

Figur 1
die Draufsicht auf einen Beutel und
Figur 2
die Draufsicht auf einen Beutel und
Figur 3
die dreidimensionale Ansicht auf einen Klebestreifen und
Figur 4
die prinzipielle Anordnung des Zugbandes im gespannten Zustand in einer Draufsicht mit einem Behälter und
Figur 5
den Schnitt durch einen Behälter mit einem Zugbandbeutel und
Figur 6
die dreidimensionale Ansicht eines Behälters mit einem Beutel.
Show it
FIG. 1
the top view of a bag and
FIG. 2
the top view of a bag and
FIG. 3
the three-dimensional view on a tape and
FIG. 4
the basic arrangement of the drawstring in the tensioned state in a plan view with a container and
FIG. 5
the section through a container with a drawstring bag and
FIG. 6
the three-dimensional view of a container with a bag.

Wege zur Ausführung der ErfindungWays to carry out the invention

Der in Figur 1 dargestellte Beutel wird aus thermoplastischer Kunststoffolie hergestellt. Er besteht aus einer Vorderwand 1 und einer Rückwand 2, die durch Seitenschweißnähte 3, 4 an ihren Rändern miteinander verbunden sind. Der Boden des Beutels ist von einer Bodennaht 5 verschlossen, die durch Längsschweißen oder Umfalten hergestellt wird. Zumindest im Bereich der Einfüllöffnung 6 sind sowohl die Vorderwand 1 als auch die Rückwand 2 doppellagig ausgebildet, wie aus Figur 5 ersichtlich.The bag shown in Figure 1 is made of thermoplastic film. It consists of a front wall 1 and a rear wall 2, which are connected by side welds 3, 4 at their edges. The bottom of the bag is closed by a bottom seam 5, which is produced by longitudinal welding or folding. At least in the region of the filling opening 6, both the front wall 1 and the rear wall 2 are double-layered, as can be seen in FIG.

Im Bereich der Einfüllöffnung 6 ist zwischen die beiden Lagen der Vorderwand 1 und der Rückwand 2 jeweils ein Zugband 7, 8 eingelegt. Beide Zugbänder 7, 8 erstrecken sich über die gesamte Beutelbreite und sind an ihren Enden mit den Seitenschweißnähten 3, 4 miteinander verschweißt, so daß sie ein sich geschlossenes, die Einfüllöffnung 6 umlaufendes Zugband bilden, wie in Figur 2 dargestellt.In the region of the filling opening 6, in each case a drawstring 7, 8 is inserted between the two layers of the front wall 1 and the rear wall 2. Both drawstrings 7, 8 extend over the entire bag width and are welded together at their ends with the side welds 3, 4, so that they form a closed, the feed opening 6 circumferential drawstring, as shown in Figure 2.

Der doppellagige, durch die Längsschweißnaht 9 begrenzte obere Bereich 10 der Vorderwand 1 weist in der Mitte des Beutels eine bogenförmige Ausstanzung 11 auf, so daß das Zugband freiliegt. In einer weiteren Ausgestaltungsvariante der Erfindung kann zusätzlich in der Rückwand 2 eine Ausstanzung vorhanden sein. Die Ausstanzung 11 bildet ein Griffloch, durch welches das Zugband 7 ergriffen werden kann. Die Position des Klebestreifens auf dem Zugband 7 wird dabei durch die gestrichelte Linie 12 dargestellt.The double-layered, limited by the longitudinal weld 9 upper portion 10 of the front wall 1 has in the middle of the bag an arcuate punching 11, so that the tension band is exposed. In a further embodiment variant of the invention may additionally be present in the rear wall 2 a punched. The punched hole 11 forms a grip hole through which the drawstring 7 can be grasped. The position of the adhesive strip on the tension band 7 is represented by the dashed line 12.

Die Lage des Klebestreifens 13 ist ebenso aus der Figur 2 ersichtlich. Der Klebestreifen ist an der Oberfläche 14 des Zugbands 7 befestigt.The position of the adhesive strip 13 can also be seen from FIG. The adhesive strip is attached to the surface 14 of the tension band 7.

Der Aufbau eines erfindungsgemäßen Klebestreifens 13 ist in Figur 3 dargestellt, er gliedert sich in zwei Bereiche. Der erste Bereich des Klebestreifens 13 wird aus der Klebefläche 15 gebildet, die Klebefläche dient zum Festkleben auf dem Zugband 7. Im zweiten Bereich des Klebestreifens 13 ist der Klebestreifen 13 mit einer Abdeckung 16 versehen. Die Abdeckung 16 besitzt in dieser Ausführungsvariante eine Verlängerung 17, die gegen die Abdeckung 16 rückgefaltet ist. Die Verlängerung 17 dient dabei zum Lösen der Abdeckung 16 vom Klebestreifen 13. Die Abdeckung 16 kann erfindungsgemäß zweiteilig ausgeführt sein oder sie ist über eine Perforation 18 teilbar. Es wird somit nur ein Teil der Abdeckung wieder vom Klebestreifen entfernt. Der verbleibende Teil der Abdeckung auf dem Klebestreifen dient als Griffzone während des Spannens des Zugbands.The structure of an adhesive strip 13 according to the invention is shown in Figure 3, it is divided into two areas. The first region of the adhesive strip 13 is formed from the adhesive surface 15, the adhesive surface is used for sticking on the tension band 7. In the second region of the adhesive strip 13, the adhesive strip 13 is provided with a cover 16. The cover 16 has in this embodiment, an extension 17 which is folded back against the cover 16. The extension 17 serves to release the cover 16 from the adhesive strip 13. According to the invention, the cover 16 can be designed in two parts or it can be divided by way of a perforation 18. It is thus only a part of the cover removed from the tape. The remaining portion of the cover on the tape serves as a grip zone during tensioning of the drawstring.

Figur 4 zeigt einen Behälter 20 und den über den Behälterrand gezogenen oberen Bereich 10 des Zugbandbeutels im gespannten und fixierten Zustand. Beim Spannen des unelastischen Zugbands 7 kommt es zu einer Überlappung 21 im Bereich des Klebestreifens 13. Die Griffzone 19 bleibt dabei weiterhin frei zugänglich, so daß der Klebestreifen wieder gelöst werden kann.FIG. 4 shows a container 20 and the upper region 10 of the drawback bag pulled over the container edge in the tensioned and fixed state. When tensioning the inelastic tension band 7, there is an overlap 21 in the region of the adhesive strip 13. The grip zone 19 remains freely accessible, so that the adhesive strip can be released again.

Die Figur 5 zeigt den Zugbandbeutel in einem Behälter 20 vor dem Spannen des Zugbands. Dabei ist der obere Bereich 10 über den Behälterrand gestülpt. Es ist die Lage der Zugbänder 7, 8 im Saum bzw. im oberen Bereich 10 des Zugbandbeutels zu erkennen.Figure 5 shows the drawstring bag in a container 20 before tensioning the drawstring. In this case, the upper portion 10 is slipped over the container edge. It can be seen the position of the drawstrings 7, 8 in the hem or in the upper region 10 of the Zugbandbeutels.

Die Figur 6 zeigt eine dreidimensionale Ansicht eines Behälters 20 mit einem eingelegten Zugbandbeutel. Aus dem Bereich des Grifflochs 11 kommend, ist der Klebestreifen 13 auf dem oberen Bereich bzw. Saum des Zugbandbeutels aufgeklebt.FIG. 6 shows a three-dimensional view of a container 20 with an inserted drawstring bag. Coming from the region of the handle hole 11, the adhesive strip 13 is glued on the upper region or seam of the Zugbandbeutels.

Claims (7)

  1. Bag made of thermoplastic sheeting with a front wall (1) and a rear wall (2), which are joined to one another by side seams (3, 4) to form a filling opening (6), and are respectively formed with double layers in the region of the filling opening (6), with two draw tapes (7, 8) extending over the width of the bag, one of which in each case is placed between the two layers of the front wall (1) and the rear wall (2) and which are undetachably connected to one another at their two ends, and with a gripping hole, which partly exposes the draw tape (7, 8), characterized in that an adhesive strip (13), which can be stuck onto the wall adjacent to the gripping hole to reduce the cross section of the filling opening, is attached to the surface of the draw tape (7), in the region of the gripping hole (11).
  2. Bag according to Claim 1, characterized in that the adhesive strip (13) has on its adhesive side (15) a region which is provided with an at least partially detachable covering (16), in particular a paper or film strip.
  3. Bag according to Claim 2, characterized in that the covering (16, 19) consists of at least two completely separate parts.
  4. Bag according to Claim 2, characterized in that the covering (16, 19) is formed in such a way that it can be separated, in particular is provided with a perforation (18).
  5. Bag according to one of Claims 1 to 4, characterized in that at least part of the covering (1) is folded back.
  6. Bag according to one of Claims 1 to 5, characterized in that the adhesive strip (13) is attached on the surface of the draw tape (7), in the region of the gripping hole (11) and on the inner side (14) of the front wall (1).
  7. Method for producing a bag according to one of Claims 1 to 6, characterized in that firstly openings (11) are punched into the layers of sheet (1, 2) from which the front walls (1) and rear walls (2) are formed, a draw tape (7, 8), in each case extending through the openings (11), is subsequently put in place for the front wall (1) and the rear wall (2), and at least one adhesive strip (13) is attached, after which the side seams (3, 4) are produced by transverse welding and at the same time the ends of the draw tapes (7, 8) are welded to one another.
EP03732271A 2002-04-26 2003-04-02 Pull-strip bag comprising adhesive tape Expired - Lifetime EP1499534B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10218720 2002-04-26
DE10218720A DE10218720B3 (en) 2002-04-26 2002-04-26 Drawstring pouch with adhesive strips
PCT/EP2003/003409 WO2003091122A1 (en) 2002-04-26 2003-04-02 Pull-strip bag comprising adhesive tape

Publications (2)

Publication Number Publication Date
EP1499534A1 EP1499534A1 (en) 2005-01-26
EP1499534B1 true EP1499534B1 (en) 2006-07-26

Family

ID=29264858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03732271A Expired - Lifetime EP1499534B1 (en) 2002-04-26 2003-04-02 Pull-strip bag comprising adhesive tape

Country Status (6)

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US (1) US7137737B2 (en)
EP (1) EP1499534B1 (en)
AT (1) ATE334066T1 (en)
DE (2) DE10218720B3 (en)
ES (1) ES2270041T3 (en)
WO (1) WO2003091122A1 (en)

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Also Published As

Publication number Publication date
US20050123219A1 (en) 2005-06-09
DE50304367D1 (en) 2006-09-07
EP1499534A1 (en) 2005-01-26
US7137737B2 (en) 2006-11-21
ATE334066T1 (en) 2006-08-15
ES2270041T3 (en) 2007-04-01
DE10218720B3 (en) 2004-02-05
WO2003091122A1 (en) 2003-11-06

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