EP1522496B1 - Method and apparatus for attaching a thread to an infusion bag - Google Patents

Method and apparatus for attaching a thread to an infusion bag Download PDF

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Publication number
EP1522496B1
EP1522496B1 EP04021878A EP04021878A EP1522496B1 EP 1522496 B1 EP1522496 B1 EP 1522496B1 EP 04021878 A EP04021878 A EP 04021878A EP 04021878 A EP04021878 A EP 04021878A EP 1522496 B1 EP1522496 B1 EP 1522496B1
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European Patent Office
Prior art keywords
thread
loop
needle
free end
accordance
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EP04021878A
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German (de)
French (fr)
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EP1522496A1 (en
Inventor
Paul Gerhard Dr.-Ing. Klar
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Individual
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Individual
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Priority claimed from DE102004042414A external-priority patent/DE102004042414A1/en
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Priority to PL04021878T priority Critical patent/PL1522496T3/en
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    • 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
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
    • B65B29/04—Attaching, or forming and attaching, string handles or tags to tea bags

Definitions

  • the invention relates to a method for attaching a thread to an existing example of an elastically deformable material receptacle or similar workpiece by a node according to the preamble of claim 1 and to a device for forming a loop according to the preamble of claim 12 for the application of Method.
  • the object of the invention is therefore to provide a method and an apparatus for the application of the method, which make it possible to make the knotting of a thread to a receptacle not only in a short time, but above all a trouble-free operation when performing the free end of the thread ensured by a sling.
  • the required construction effort should be kept low, and only a few and easily controlled process steps should be required to fix the loop in their open positions.
  • this is achieved in a method according to the preamble of claim 1, characterized in that the loop is fixed during the insertion of the thread to be pulled through this end of the thread through the forming needle and that thereafter received the free end of the thread from the needle and is pulled through the sling.
  • the formation of the loop can be made in a simple manner by means of a hooked or drawn through the receptacle hook needle, the hook needle is rotated after passing through the receptacle by about 90 ° for forming and fixing the loop.
  • the thread on the needle it can be rotated by 90 ° after recording the free end of the thread with the noose around its longitudinal axis.
  • this is formed in the region of the needle associated opening by means of a preferably about 90 ° rotatable adjusting member such that the needle receives this with a protruding in the longitudinal direction of the receiving bag Deutschenhakung.
  • two loops with a lateral distance from each other can be formed vertically one above the other and the free end of the thread can be passed through both loops.
  • the free end of the loop passed through the loop can be guided around the loop and inserted through the loop to form another node.
  • the free end of the thread should be adjustably guided during the adjustment movements of the needle in a brake member.
  • the device for forming a loop formed by a thread on a receptacle made of an elastically deformable material or a similar workpiece, in particular provided by a provided with a label thread on a brew bag loop, wherein the free end of the thread by means of a needle , preferably a hook needle formed loop and this is deformed into a knot, for the application of the method is characterized in that the loop during insertion of this receiving end of the thread through the needle forming the loop is fixed in the open position and that the free End of the thread of the needle is receivable and can be pulled through the loop.
  • FIGS. 1 to 7 It is shown how a loop 7 is to be formed on the head part 2 of a brewing bag 1 in order to be able to fix a thread 4 provided thereon, for example, with a label 5 by means of a machine-made knot 10 securely and in a short time.
  • the formation of the loop 7 takes place exclusively by means of a needle 51st
  • the provided with the label 5 thread 4 is disposed on one side of the infusion bag 1 and is received by the equipped with a Deutschenhakung 52 needle 51 in an opening 53 by the needle 51 through the incorporated in the head part 2 of the infusion bag 1 in this opening 8 is passed ( Fig. 1 ). Then, the wound on a supply roll, not shown thread 4, which is cut by a pair of scissors 41 corresponding length and the free end 6 is slidably guided in a braking device 42, pulled by the needle 51 through an opening 8 and a loop 7, there the thread 4 surrounding the needle 51 is formed ( Fig. 2 ). By vertical lifting of the needle 51, this is brought into a position above the head part 2 of the infusion bag 1 ( Fig.
  • FIGS. 8 to 11 It is shown in what manner a knotting of the thread 4 to the infusion bag 1 by means of two in the head part 2 incorporated through holes 8 and 9 is to accomplish.
  • the needle 51 is here in the same way to create the node 10, to change in position as in the procedure of the FIGS. 1 to 6 , However, in order to secure the loop 7 in the opening 53 of the needle 51 and to prevent entrainment of the loop 7 in the return of the needle 51, this was rotated by 90 ° after receiving the thread 4 such that the Hinterhakung 52nd directed downwards.
  • FIG. 12 is shown in detail that is secured by a rotation of the needle 51 by 90 ° of the recorded thread 4 in the opening 53 so that it can not solve independently.

Abstract

Process for fixing a thread (4) to a container made of an elastically deformable material using a knot (10'), especially for knotting a thread provided at the end with a label (5) onto a teabag (1), comprises passing the free end (6) of the thread using a needle through a hole (8) in the container from one side to the other. The free end of the remaining thread is pulled through a loop formed on the opposite side of the container to produce a knot. During insertion of the end of the thread, the loop is fixed using tongs, tension elements, the needle, or other tools. An independent claim is also included for a device for shaping a loop formed by a thread on a container made of a deformable material.

Description

Die Erfindung bezieht sich auf Verfahren zur Befestigung eines Fadens an einem beispielsweise aus einem elastisch verformbaren Werkstoff bestehenden Aufnahmebehältnis oder einem ähnlichen Werkstück durch einen Knoten nach dem Oberbegriff des Anspruches 1 sowie auf eine Vorrichtung zur Ausformung einer Schlinge nach dem Oberbegriff des Anspruches 12 zur Anwendung der Verfahren.The invention relates to a method for attaching a thread to an existing example of an elastically deformable material receptacle or similar workpiece by a node according to the preamble of claim 1 and to a device for forming a loop according to the preamble of claim 12 for the application of Method.

Durch die US-PS 2114304 (Figur 54 bis 65) ist ein Verfahren zum Verknoten eines Fadens an einem Aufgussbeutel nach dem Oberbegriff des Anspruches 1 bekannt. Der Faden wird hierbei mittels einer durch das Aufnahmebehältnis gestoßenen Nadel durch dieses auf die gegenüberliegende Seite gebracht und auf einem seitlich zustellbaren Haken aufgefädelt, durch den sodann das freie Ende des Fadens aufgenommen und durch die Schlaufe gezogen wird.By the U.S. Patent 2114304 (Figures 54 to 65), a method for knotting a thread on a brew bag according to the preamble of claim 1 is known. The thread is brought here by means of a pierced through the receptacle needle through this on the opposite side and threaded onto a laterally deliverable hook, is then taken through the free end of the thread and pulled through the loop.

Abgesehen davon, dass sowohl die Nadel als auch der Haken verschiedenartige Bewegungen ausführen müssen, um letztlich das freie Ende des Fadens durch die Schlaufe hindurchzuführen, wird das Ende des Fadens bei dessen Verstellbewegungen zwischen zwei Plättchen, die den Haken bilden, eingeklemmt. Da eine Fixierung der Schlaufe bei der Knotenbildung nicht vorgesehen ist, fällt diese mitunter zusammen, so dass diese an den Plättchen hängen bleibt. Dies führt oftmals zu Betriebsstörungen, so dass trotz aufwendiger Steuermittel eine Knotenbildung auf maschinelle und somit wirtschaftliche Weise demnach nicht zu bewerkstelligen ist.Apart from the fact that both the needle and the hook must perform various movements to ultimately pass the free end of the thread through the loop, the end of the thread is trapped in its adjustment movements between two plates which form the hook. Since a fixation of the loop in the knot formation is not provided, this sometimes collapses, so that it hangs on the platelets. This often leads to malfunctions, so that in spite of complex control means a knot formation in a mechanical and therefore economic way, therefore, can not be accomplished.

Des Weiteren ist es durch die EP-A 0 691 268 bekannt, zum Anknoten eines Fadens an einen Teebeutel eine Hakennadel zu verwenden, die durch den Beutel hindurch gestoßen wird. Beim Zurückziehen der Hakennadel bildet sich aus der gereckten Schlaufe eine Schleife, durch die das freie Ende des Fadens hindurch geschoben wird. Für die Schlaufenbildung sind somit zwei unterschiedliche Arbeitsgänge erforderlich, nämlich Schlaufe bilden und freies Ende des Fadens durch diese hindurch stecken.Furthermore, it is through the EP-A 0 691 268 it is known to use a hook needle to knot a thread to a tea bag which is pushed through the bag. When retracting the hook needle forms from the stretched loop a loop through which the free end of the thread is pushed through. For the loop formation thus two different operations are required, namely form loop and stuck free end of the thread through it.

Aufgabe der Erfindung ist des daher, ein Verfahren sowie eine Vorrichtung zur Anwendung des Verfahren zu schaffen, die es ermöglichen, das Anknoten eines Fadens an einem Aufnahmebehältnis nicht nur in kurzer Zeit vorzunehmen, sondern vor allem einen störungsfreien Betrieb beim Durchführen des freien Ende des Fadens durch eine Schlinge sicherzustellen. Der dazu erforderliche Bauaufwand soll gering gehalten werden, auch sollen nur wenige und leicht zu steuernde Verfahrensschritte erforderlich sein, um die Schlinge in ihren geöffneten Lagen zu fixieren.The object of the invention is therefore to provide a method and an apparatus for the application of the method, which make it possible to make the knotting of a thread to a receptacle not only in a short time, but above all a trouble-free operation when performing the free end of the thread ensured by a sling. The required construction effort should be kept low, and only a few and easily controlled process steps should be required to fix the loop in their open positions.

Gemäß der Erfindung wird dies bei einem Verfahren nach dem Oberbegriff des Anspruches 1 dadurch erreicht, dass die Schlinge während des Einführens des durch diese hindurchzuziehenden Endes des Fadens durch die diese bildende Nadel fixiert wird und dass danach das freie Ende des Fadens von der Nadel aufgenommen und durch die Schlinge gezogen wird.According to the invention this is achieved in a method according to the preamble of claim 1, characterized in that the loop is fixed during the insertion of the thread to be pulled through this end of the thread through the forming needle and that thereafter received the free end of the thread from the needle and is pulled through the sling.

Zur Fixierung der Schlinge auf der Nadel ist es hierbei angebracht, diese über dem Kopfteil des Aufnahmebehältnisses unmittelbar durch dieses oder durch eine in dieses eingearbeitete weitere Durchbrechung bis in Höhe des freien Endes des Fadens vorzuschieben und die Schlinge dabei durch das Kopfteil des Aufnahmbehältnisses auf dem Schaft der Nadel zu fixieren.To fix the loop on the needle, it is hereby appropriate to advance this over the head portion of the receptacle directly through this or through an incorporated in this further opening up to the level of the free end of the thread and the loop thereby through the head portion of the receptacle on the shaft to fix the needle.

Die Bildung der Schlinge kann auf einfache Weise mittels einer durch das Aufnahmebehältnis gesteckten oder gezogenen Hakennadel vorgenommen werden, wobei zur Ausformung und Fixierung der Schlinge die Hakennadel nach dem Durchführen durch das Aufnahmebehältnis um ca. 90° gedreht wird.The formation of the loop can be made in a simple manner by means of a hooked or drawn through the receptacle hook needle, the hook needle is rotated after passing through the receptacle by about 90 ° for forming and fixing the loop.

Zweckmäßig ist es des Weiteren, die Schlinge durch ein- oder mehrfaches Verdrehen des durch das Aufnahmebehältnis hindurchgeführten Fadens im Bereich der in dieses eingearbeiteten Durchbruches zu bilden und/oder zu fixieren.It is expedient, furthermore, to form and / or fix the loop by single or multiple twisting of the thread guided through the receptacle in the region of the opening incorporated in the receptacle.

Um den Faden auf der Nadel zu arretieren, kann diese nach der Aufnahme des freien Endes des Fadens mit der Schlinge um cal 90° um ihre Längsachse verdreht werden.To lock the thread on the needle, it can be rotated by 90 ° after recording the free end of the thread with the noose around its longitudinal axis.

Zur Fixierung der Schlinge auf der Nadel ist es angezeigt, diese nach der Aufnahme des Fadens und Rückführung durch den Aufgussbeutel und vor der Verstellung zur Aufnahme des freien Endes des Fadens gegenüber der Längsrichtung des Aufgussbeutels seitlich zu versetzen.To fix the loop on the needle, it is advisable to move them laterally after receiving the thread and return through the infusion bag and before adjustment for receiving the free end of the thread relative to the longitudinal direction of the infusion bag.

Zur Aufnahme des Fadens ist es zweckmäßig, dass dieser im Bereich der der Nadel zugeordneten Durchbrechung mittels eines vorzugsweise um ca. 90° verdrehbaren Verstellgliedes derart ausgeformt wird, dass die Nadel diesen mit einer in Längsrichtung des Aufnahmebeutels abstehende Hinterhakung aufnimmt.For receiving the thread, it is expedient that this is formed in the region of the needle associated opening by means of a preferably about 90 ° rotatable adjusting member such that the needle receives this with a protruding in the longitudinal direction of the receiving bag Hinterhakung.

Nach einer Ausführungsvarianten können auch zwei Schlingen mit seitlichem Abstand zueinander vertikal übereinander gebildet und das freie Ende des Fadens kann durch beide Schlingen hindurchgeführt werden.According to one embodiment, two loops with a lateral distance from each other can be formed vertically one above the other and the free end of the thread can be passed through both loops.

Auch kann das freie Ende des durch die Schlinge geführten Fadens zur Bildung eines weiteren Knotens um die Schlinge herumgeführt und durch diese gesteckt werden.Also, the free end of the loop passed through the loop can be guided around the loop and inserted through the loop to form another node.

Das freie Ende des Fadens sollte während der Verstellbewegungen der Nadel in einem Bremsglied verstellbar geführt werden.The free end of the thread should be adjustably guided during the adjustment movements of the needle in a brake member.

Selbstverständlich ist es auch möglich, den Faden in gleicher Weise wie diesen an dem Beutel an einem Etikett anzuknoten.Of course, it is also possible to knot the thread in the same way as this on the bag on a label.

Die Vorrichtung zur Ausformung einer durch einen Faden gebildeten Schlinge an einem aus einem elastisch verformbaren Werkstoff bestehenden Aufnahmebehältnis oder einem ähnlichen Werkstück, insbesondere einer durch einen mit einem Etikett versehenen Faden an einem Aufgussbeutel vorgesehenen Schlinge, wobei das freie Ende des Fadens durch die mittels einer Nadel, vorzugsweise einer Hakennadel gebildeten Schlinge geführt und diese zu einem Knoten verformbar ist, zur Anwendung des Verfahrens ist dadurch gekennzeichnet, dass die Schlinge während des Einführens des diese aufnehmenden Endes des Fadens durch die die Schlinge bildende Nadel in geöffneter Lage fixierbar ist und dass das freie Ende des Fadens von der Nadel aufnehmbar und durch die Schlinge ziehbar ist.The device for forming a loop formed by a thread on a receptacle made of an elastically deformable material or a similar workpiece, in particular provided by a provided with a label thread on a brew bag loop, wherein the free end of the thread by means of a needle , preferably a hook needle formed loop and this is deformed into a knot, for the application of the method is characterized in that the loop during insertion of this receiving end of the thread through the needle forming the loop is fixed in the open position and that the free End of the thread of the needle is receivable and can be pulled through the loop.

Wird eine an einem Aufnahmbehältnis oder einem ähnlichen Werkstück vorgesehene Schlinge mittels den erfindungsgemäßen Verfahren bzw. der vorschlagsgemäßen Vorrichtung während des Einführens des freien Endes des anzuknotenden Fadens fixiert, so ist stets gewährleistet, dass das freie Ende störungsfrei durch die Schlinge zu ziehen ist. Dazu ist nur ein geringer mechanischer Aufwand erforderlich, auch sind die Werkzeuge, mittels denen die Schlinge in geöffneter Lage für kurze Zeit zu halten ist, leicht zu steuern, die Verknotung des Fadens mit dem Aufnahmbehältnis ist somit, ohne dass Betriebsstörungen in Kauf zu nehmen sind, maschinell zu bewerkstelligen. Eine wirtschaftliche Befestigung des Fadens, insbesondere an einem Aufgussbeutel, ohne dass dazu metallische Klammern oder sonstige Hilfsstoffe erforderlich sind, durch die unter Umständen der Geschmack des aufzubrühenden Getränkes beeinträchtigt werden kann, ist demnach gegeben.If a loop provided on a receiving container or a similar workpiece is fixed by means of the method according to the invention or of the device proposed during insertion of the free end of the thread to be knotted, it is always ensured that the free end can be pulled through the loop without interference. For this purpose, only a small mechanical effort is required, also the tools by which the sling is to hold in the open position for a short time, easy to control, the knotting of the thread with the receiving container is thus without operational disturbances are to be accepted to accomplish by machine. An economic attachment of the thread, in particular on a brew bag, without the need for metallic brackets or other auxiliaries, which may affect the taste of the beverage to be brewed under certain circumstances, is therefore given.

In der Zeichnung sind einige Ausführungsbeispiele zur Verwirklichung der erfindungsgemäßen Verfahren zum Anknoten eines Fadens an einem Aufnahmebehältnis dargestellt und nachfolgend im einzelnen erläutert. Hierbei zeigt:

Figuren 1 bis 6
die Ausformung einer Schlinge an einem Aufgussbeutel in mehreren Verfahrensschritten,
Figur 7
die Bildung eines Knotens durch Zusammenziehen der gem. den Figuren 1 bis 7 gebildeten Schlinge,
Figuren 8 bis 11
die Ausformung einer Schlinge mittels zweier Durchbrechungen im Aufgussbeutel und deren Zusammenziehen zu einem Knoten,
Figur 12
eine um 90° gegenüber der Ausgangslage verdrehte Nadel,
Figur 13 und 14
die Nadel nach Figur 12, seitlich versetzt und in unterschiedlichen Betriebsstellungen,
Figur 15
einen mittels eines Verstellgliedes im Bereich der in dem Aufgussbeutel vorgesehenen Durchbrechung verschränkt angeordneten Faden,
Figur 16
einen in der Durchbrechung des Aufgussbeutels mittels der Nadel verdrillten Faden und
Figur 17
die Bildung einer Schlinge aus dem gemäß Figur 16 verdrillten Faden.
In the drawing, some embodiments for the realization of the method according to the invention for the knotting of a thread to a receptacle are shown and explained in detail below. Hereby shows:
FIGS. 1 to 6
the formation of a loop on an infusion bag in several process steps,
FIG. 7
the formation of a knot by contraction of the gem. the FIGS. 1 to 7 formed loop,
FIGS. 8 to 11
the formation of a loop by means of two openings in the infusion bag and their contraction into a knot,
FIG. 12
a needle twisted 90 ° from the starting position,
FIGS. 13 and 14
the needle behind FIG. 12 , laterally offset and in different operating positions,
FIG. 15
a yarn arranged in an entangled manner by means of an adjusting element in the region of the opening provided in the infusion bag,
FIG. 16
a twisted in the opening of the infusion bag by means of the needle thread and
FIG. 17
the formation of a loop from the according to FIG. 16 twisted thread.

In den Figuren 1 bis 7 ist dargestellt, in welcher Weise eine Schlinge 7 am Kopfteil 2 eines Aufgussbeutels 1 auszuformen ist, um an diesem einen zum Beispiel mit einem Etikett 5 versehenen Faden 4 durch einen maschinell hergestellten Knoten 10 sicher und in kurzer Zeit befestigen zu können. Die Ausbildung der Schlinge 7 erfolgt hierbei ausschließlich mittels einer Nadel 51.In the FIGS. 1 to 7 It is shown how a loop 7 is to be formed on the head part 2 of a brewing bag 1 in order to be able to fix a thread 4 provided thereon, for example, with a label 5 by means of a machine-made knot 10 securely and in a short time. The formation of the loop 7 takes place exclusively by means of a needle 51st

Der mit dem Etikett 5 versehene Faden 4 ist auf einer Seite des Aufgussbeutels 1 angeordnet und wird von der mit einer Hinterhakung 52 ausgestatteten Nadel 51 in einer Öffnung 53 aufgenommen, indem die Nadel 51 durch die in dem Kopfteil 2 des Aufgussbeutels 1 in diesen eingearbeitete Durchbrechung 8 hindurchgeführt wird (Fig. 1). Sodann wird der auf einer nicht gezeigten Vorratsrolle aufgewickelte Faden 4, der mittels einer Schere 41 in entsprechender Länge abgeschnitten und dessen freies Ende 6 in einer Bremseinrichtung 42 verschiebbar geführt ist, mittels der Nadel 51 durch eine Durchbrechung 8 gezogen und zu einer Schlinge 7, da der Faden 4 die Nadel 51 umgibt, ausgeformt (Fig. 2). Durch vertikales Anheben der Nadel 51 wird diese in eine Lage oberhalb des Kopfteils 2 des Aufgussbeutels 1 gebracht (Fig. 3), so dass diese durch horizontales Verschieben mittels der Hinterhakung 52 das freie Ende 6 des Fadens, das in der Bremseinrichtung 42 gehalten ist, aufnehmen kann (Fig. 4). Die Schlinge 7 bleibt dabei auf der Nadel 51 und ist auf dieser fixiert. Sodann wird die Nadel 51 zurückgezogen, so dass das freie Ende 6 des Fadens 4 durch die Schlinge 7 hindurchgeführt (Fig. 5) und von dieser gelöst wird (Fig. 6). Durch Ziehen an dem freien Ende 6 des Fadens 4 oder an diesem wird daraufhin der Knoten 10 gebildet (Fig. 7).The provided with the label 5 thread 4 is disposed on one side of the infusion bag 1 and is received by the equipped with a Hinterhakung 52 needle 51 in an opening 53 by the needle 51 through the incorporated in the head part 2 of the infusion bag 1 in this opening 8 is passed ( Fig. 1 ). Then, the wound on a supply roll, not shown thread 4, which is cut by a pair of scissors 41 corresponding length and the free end 6 is slidably guided in a braking device 42, pulled by the needle 51 through an opening 8 and a loop 7, there the thread 4 surrounding the needle 51 is formed ( Fig. 2 ). By vertical lifting of the needle 51, this is brought into a position above the head part 2 of the infusion bag 1 ( Fig. 3 ) so that it can accommodate by horizontal displacement by means of the Hinterhakung 52, the free end 6 of the thread which is held in the braking device 42 ( Fig. 4 ). The loop 7 remains on the needle 51 and is fixed on this. The needle 51 is then withdrawn so that the free end 6 of the thread 4 is passed through the loop 7 (FIG. Fig. 5 ) and is solved by this ( Fig. 6 ). By pulling on the free end 6 of the thread 4 or at this node 10 is then formed ( Fig. 7 ).

In den Figuren 8 bis 11 ist gezeigt, in welcher Weise auch eine Verknotung des Fadens 4 an dem Aufgussbeutel 1 mittels zweier in dessen Kopfteil 2 eingearbeitete Durchbrechungen 8 und 9 zu bewerkstelligen ist. Die Nadel 51 ist hierbei in gleicher Weise, um den Knoten 10 zu schaffen, in ihrer Lage zu verändern wie bei der Verfahrensweise nach den Figuren 1 bis 6. Allerdings wurde hierbei, um die Schlinge 7 in der Öffnung 53 der Nadel 51 zu sichern und um eine Mitnahme der Schlinge 7 bei der Rückführung der Nadel 51 zu vermeiden, diese nach der Aufnahme des Fadens 4 derart um 90° gedreht, dass die Hinterhakung 52 nach unten gerichtet ist.In the FIGS. 8 to 11 It is shown in what manner a knotting of the thread 4 to the infusion bag 1 by means of two in the head part 2 incorporated through holes 8 and 9 is to accomplish. The needle 51 is here in the same way to create the node 10, to change in position as in the procedure of the FIGS. 1 to 6 , However, in order to secure the loop 7 in the opening 53 of the needle 51 and to prevent entrainment of the loop 7 in the return of the needle 51, this was rotated by 90 ° after receiving the thread 4 such that the Hinterhakung 52nd directed downwards.

In Figur 12 ist im Einzelnen dargestellt, dass durch ein Verdrehen der Nadel 51 um 90° der aufgenommene Faden 4 in der Öffnung 53 gesichert ist, so dass dieser sich nicht selbstständig lösen kann.In FIG. 12 is shown in detail that is secured by a rotation of the needle 51 by 90 ° of the recorded thread 4 in the opening 53 so that it can not solve independently.

Auch durch ein seitliches Versetzen der Nadel 51, wie dies in den Figuren 13 und 14 gezeigt ist, ist der von dieser aufgenommene Faden 4 zu sichern. Ein selbstständiges Lösen der Schlinge 7 von der Nadel 51 bei deren Verstellbewegungen wird dadurch vermieden.Also, by a lateral displacement of the needle 51, as shown in the Figures 13 and 14 is shown, which is taken up by this thread 4 to secure. An independent release of the loop 7 of the needle 51 in their adjustment movements is thereby avoided.

Gemäß Figur 15 wird der Faden 4 mittels eines Verstellgliedes 43, an dem zwei diametral einander gegenüberliegend angeordnete Zapfen 44 angeformt sind, im Bereich der Durchbrechung 8 gegenüber der Längsachse des Aufgussbeutels 1 derart verschränkt, dass dieser parallel zu der Hinterhakung 52 verläuft und von der Nadel 51 leicht aufzunehmen ist. Ein Verdrehen der Nadel 51 ist bei einer derartigen Ausrichtung des Fadens 4 somit nicht erforderlich.According to FIG. 15 the thread 4 by means of an adjusting member 43, on which two diametrically opposed pins 44 are formed, in the region of the opening 8 relative to the longitudinal axis of the infusion bag 1 entangled such that it runs parallel to the Hinterhakung 52 and easily received by the needle 51 is. A rotation of the needle 51 is thus not required in such an orientation of the thread 4.

In den Figuren 16 und 17 ist letztlich gezeigt, dass auch eine Knotenbildung des in der Durchbrechung 8 mittels der Nadel 51 mehrfach verdrillten Fadens 4 zu bewerkstelligen ist. Die Verdrillung erfolgt nach Aufnahme des Fadens 4 in der Öffnung 53 der Nadel 51 durch mehrfaches Verdrehen um deren Längsachse, bevor die einzelnen Verstellbewegungen bis zur Bildung des Knotens 10 durchgeführt werden.In the Figures 16 and 17 Finally, it is shown that a knot formation of the thread 4, which is multiply twisted in the opening 8 by means of the needle 51, can also be accomplished. The twisting takes place after receiving the thread 4 in the opening 53 of the needle 51 by multiple rotation about its longitudinal axis, before the individual adjustment movements are carried out until the formation of the node 10.

Claims (12)

  1. A method for attaching a thread (4) to a holding container (1), for example consisting of an elastically deformable material or the like, by means of a knot (10), in particular for knotting a thread (4), which has a tag (5) at its end, on an infusion bag, in which the free end (6) of the thread (4) is passed from one side to the other by means of a needle (51), initially through a penetration (8) in the holding container (1) or another workpiece, that the free end (6) of the remaining thread (4) is then pulled through a loop (7) formed on the opposite side of the holding container (1) and that one of the parts of the thread (4) projecting from the loop (7) is pulled in order to form the loop (7) into a knot (10),
    characterised in that,
    the loop (7) is fixed in placed by the needle (51) forming it whilst the end (6) of the thread (4) to be pulled through the loop (7) is being guided through, and that the free end (6) of the thread (4) is then picked up by the needle (51) and pulled through the loop (7).
  2. The method in accordance with Claim 1,
    characterised in that,
    in order to fix the loop (7) on the needle (51), the loop (7) is push forwards over the head part (2) of the holding container (1) directly through this container or through a penetration (9) worked into the holding container (1) up to the height of the free end (6) of the thread (4) and, when this is being done, the loop (7) is fixed in place by the head part (2) of the holding container (1) on the shaft of the needle (51).
  3. The method in accordance with Claim 1 or 2,
    characterised in that,
    the loop (7) is formed by means of a hooked needle (51) inserted or pulled through the holding container (1) and that the shape of the loop (7) is formed and fixed by rotating the hooked needle (51) through about 90° after it has been guided through the holding container (1).
  4. The method in accordance with one or more of Claims 1 to 3,
    characterised in that,
    the loop (7) is formed and/or fixed by turning the thread (4) passed through the holding container (1) one or several times in the area of the penetration (8) worked into the holding container (1).
  5. The method in accordance with one or more of Claims 1 to 4,
    characterised in that,
    the needle (51) is turned through about 90° about its lengthways axis after the free end (6) of the thread (4) has been picked up with the loop (7).
  6. The method in accordance with one or more of Claims 1 to 5,
    characterised in that,
    in order to fix the loop (7) on the needle (51), the needle is moved sideways opposite to the lengthways direction of the infusion back (1) after the thread (4) has been picked up and guided back through the infusion bag (1) and before the movement in order to pick up the free end (6) of the thread (4).
  7. The method in accordance with one or more of Claims 1 to 6,
    characterised in that,
    in order to pick up the thread (4), its shape is changed in the area of the penetration (8) assigned to the needle (51) by means of an adjusting element (43) that can, in a preferred embodiment, be turned through about 90°, this shape change taking place in such a way that the needle (51) picks up the thread (4) by means of a backward hook (52) projecting in the lengthways direction of the holding bag (1).
  8. The method in accordance with one or more of Claims 1 to 7,
    characterised in that,
    two loops (7) are formed with a lateral distance in between them and vertically on above the other, and that the free end (6) of the thread (4) is guided through both loops (7).
  9. The method in accordance with one or more of Claims 1 to 8,
    characterised in that,
    the free end (6) of the thread (4) guided through the loop (7) for forming another knot is guided around the loop (7) and inserted through it.
  10. The method in accordance with one or more of Claims 1 to 9,
    characterised in that,
    the free end (6) of the thread (4) is adjustably guided in a brake element (42) during the adjustment movements of the needle (51).
  11. The method in accordance with one or more of Claims 1 to 10,
    characterised in that,
    the thread (4) is knotted onto a tag (5) in accordance with the method identified in one of the Claims 1 to 10.
  12. An apparatus for shaping a loop (7) formed by a thread (4) on a holding container (1) or the like consisting of an elastically deformable material, in particular for shaping a loop (7) on an infusion bag with the loop formed by a thread (4) provided with a tag (5), in which case the free end (6) of the thread (4) is guided through a loop (7) formed by means of a needle (51), preferably a hooked needle, which can be formed into a knot (10) in order to use the process in accordance with one or more of Claims 1 to 11,
    characterised in that,
    the loop (7) can be fixed in the opened position during insertion of the end (6) of the thread (4) enclosing the loop (7) by means of the needle (51) that forms the loop (7), and that the free end (6) of the thread (4) can be picked up by the needle (51) and pulled through the loop (7).
EP04021878A 2003-10-09 2004-09-15 Method and apparatus for attaching a thread to an infusion bag Active EP1522496B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04021878T PL1522496T3 (en) 2003-10-09 2004-09-15 Method and apparatus for attaching a thread to an infusion bag

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10346911 2003-10-09
DE10346911 2003-10-09
DE102004042414 2004-09-02
DE102004042414A DE102004042414A1 (en) 2003-10-09 2004-09-02 Method and device for fastening a thread to a workpiece

Publications (2)

Publication Number Publication Date
EP1522496A1 EP1522496A1 (en) 2005-04-13
EP1522496B1 true EP1522496B1 (en) 2008-03-19

Family

ID=34315010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04021878A Active EP1522496B1 (en) 2003-10-09 2004-09-15 Method and apparatus for attaching a thread to an infusion bag

Country Status (4)

Country Link
EP (1) EP1522496B1 (en)
AT (1) ATE389585T1 (en)
DE (1) DE502004006558D1 (en)
PL (1) PL1522496T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101570A1 (en) 2018-01-24 2019-07-25 Häussler & Sauter KG Method and device for producing infusion bags
WO2020021325A1 (en) * 2018-07-25 2020-01-30 Pressanna Rohan De Lanerolle A thread tying module for a teabag bagging machine and a method of attaching a thread to a teabag

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1274824B1 (en) * 1994-07-08 1997-07-25 Tecnomeccanica Srl METHOD FOR THE ASSOCIATION OF A LABEL TO A FILTER BAG FOR INFUSION PRODUCTS.
IT1305535B1 (en) * 1998-09-18 2001-05-09 Ima Spa NEEDLE PERFECTED TO CONNECT A FILTER BAG, CONTAINING AN INFUSION PRODUCT, AND A TAKE-OFF LABEL WITH A THREAD
DE50301922D1 (en) * 2003-05-10 2006-01-19 Teepack Spezialmaschinen Method and device for knotting the end of a thread on a flat article

Also Published As

Publication number Publication date
ATE389585T1 (en) 2008-04-15
DE502004006558D1 (en) 2008-04-30
PL1522496T3 (en) 2008-08-29
EP1522496A1 (en) 2005-04-13

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