EP0737764A1 - Device to form a leno weave - Google Patents

Device to form a leno weave Download PDF

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Publication number
EP0737764A1
EP0737764A1 EP95810251A EP95810251A EP0737764A1 EP 0737764 A1 EP0737764 A1 EP 0737764A1 EP 95810251 A EP95810251 A EP 95810251A EP 95810251 A EP95810251 A EP 95810251A EP 0737764 A1 EP0737764 A1 EP 0737764A1
Authority
EP
European Patent Office
Prior art keywords
thread
warp threads
leno
driver element
shed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95810251A
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German (de)
French (fr)
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EP0737764B1 (en
Inventor
Peter Hans
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.)
Itema Switzerland Ltd
Maschinenfabrik Rueti AG
Original Assignee
Sultex AG
Maschinenfabrik Rueti AG
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 Sultex AG, Maschinenfabrik Rueti AG filed Critical Sultex AG
Priority to EP19950810251 priority Critical patent/EP0737764B1/en
Priority to DE59506352T priority patent/DE59506352D1/en
Publication of EP0737764A1 publication Critical patent/EP0737764A1/en
Application granted granted Critical
Publication of EP0737764B1 publication Critical patent/EP0737764B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms

Definitions

  • the invention relates to a device for producing a leno binding according to claim 1.
  • Such a device is known from DE-17 10 317.
  • the device contains a thread guide that can be moved up and down in a straight line between the upper and lower shed positions on one side of the warp threads with a wedge-shaped thread eyelet in order to hold the leno thread on the other side of the warp threads and to deflect and deflect the warp threads during the up and down movement on the other side of the warp threads contains a carrier element which can be moved up and down in a straight line between the lower or upper compartment position and which has two mutually spaced carriers in order to grasp the leno thread.
  • a thread guide is to be provided, which is arranged next to the driver element and is offset from it in such a way that the warp threads are deflected out of the path of movement of the driver element. It proves to be disadvantageous here that three organs have to be arranged in a confined space and that the threading of the leno thread is difficult to handle.
  • a thread guide that can be moved up and down in a straight line between the upper and lower shed positions is to be held with a thread eyelet around the leno thread on one side of the warp threads and a straight line on the other side of the warp threads between the Includes lower and upper compartment position up and down movable driver element, which has two mutually spaced drivers to capture the leno thread and a guide member is provided which causes a lateral deflection of the leno thread to the other side of the warp threads.
  • This embodiment has the disadvantages that the limited space available for the device is substantially used by the guide member and that the threading of the leno thread by the guide member is difficult to handle.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, solves the problem of improving a device for producing a leno binding in terms of structure and handling.
  • the thread eyelet and the driver element By assigning the thread eyelet and the driver element, the latter simultaneously acts as a guide for the leno thread and prevents the warp threads from being picked up by the drivers, and accessibility when threading a leno thread is facilitated.
  • this leno weave shows a leno weave, which comprises two warp threads, hereinafter referred to as upright threads 1, 2 and a leno thread 3 and is produced with the device described below. Instead of the two warp threads, this leno weave can also be tied with at least one leno thread.
  • FIGS. 2 and 3 show an embodiment of the device.
  • two upright threads 1 and 2 are used, which are moved up and down in a push-pull manner by means of strands 5 and 6.
  • the strands 5 and 6 can be arranged in auxiliary shafts (not shown).
  • the device contains a perforated needle 11, a driving needle 12 and two drive units 13.
  • the perforated needle 11 consists of a rod 14 and a tab 15 which is molded onto the rod.
  • a bore 16 is provided, which is formed transversely to the longitudinal extension of the rod and serves as a thread eyelet for the leno thread 3.
  • the driver needle 12 contains a recess 17 which has hook-shaped drivers 18 at its ends.
  • An essential feature of the device is the spatial arrangement of perforated needle 11 and driving needle 12 in relation to one another.
  • the perforated needle 11 is arranged on one side of the warp threads 1, 2 and the driving needle 12 on the other side of the warp threads 1, 2.
  • the tab 15 is arranged transversely to the running direction of the warp threads 1, 2 and projects above the warp threads 1, 2, so that the tab 15 and the driving needle 12 are arranged side by side in the running direction of the warp threads 1, 2.
  • FIGS. 5 and 6 show another embodiment of the device with which two leno bindings are produced simultaneously.
  • This device differs from the one described above in the design of the perforated needle 21 and the arrangement with two driver needles 12.
  • the perforated needle 21 consists of a rod 22 and two tabs 23 which are arranged symmetrically on the rod 22. Bores 24 are formed in the tabs 23, which are arranged symmetrically (Fig. 6).
  • the driver needles 12 are connected to one another by a web 25, so that the driver needles 12 are moved simultaneously.
  • the lathe binding shown in FIG. 1 is a so-called full-length lathe with the binding repeat 6.
  • the mode of operation is described with the aid of steps S1 to S6, which are indicated in FIG. 1 and shown in FIGS. 7 to 13 as a snapshot when the weft is inserted are.
  • step S1 shows step S1.
  • the shed is open, the reed is in the swiveled-back position, the driver needle 12 stands with the leno thread 3 pulled up in the high shed and above the upright thread 2 of the open shed, the piercing needle 11 stands with the leno thread in the down pocket and below the upright thread 1 des open shed so that the leno thread on one side of the upright threads 1, 2 runs from the high shed to the shed and the weft thread is inserted. Then the upright threads 1, 2 change into the opposite subject and the weaving reed stops.
  • step S2 the shed is opened again after changing the shed, the reed is in the retracted position, the piercing needle 11 has remained in the shed, the driving needle 12 has changed into the shed and released the leno thread.
  • the leno thread 3 remains on the same side of the upright thread.
  • the situation at following stop of the reed explained with reference to FIG. 9.
  • the shed is closed and on the other hand the upright threads have been deflected by means of the flap 15 when changing into the opposite shed, so that the leno thread 3 on the other Side of the upright threads 1, 2 has changed.
  • step S3 after the change of subject described above.
  • the shed is open, the reed is in the swung-back position, the piercing needle 11 and the driving needle 12 are in the high shed and the weft thread is inserted.
  • the upright threads 1, 2 change into the opposite compartment and the driving needle 13 changes into the deep compartment, taking the leno thread 3 with it.
  • step S4 the shed is open after changing the shed, the reed is in the swung-back position, the piercing needle 11 with the leno thread 3 is in the high shed, the driving needle 12 with the leno thread is in the deep shed, so that the leno thread 3 is on the other side of the Upright threads 1, 2 run from the high compartment to the deep compartment and the weft thread is inserted. Subsequently, the upright threads 1, 2 change into the opposite compartment, the reed strikes and the driving needle 12 changes into the high compartment, taking the leno thread 3 with it.
  • step S5 the position of the shed, the reed and the piercing and driving needle 11, 12 is the same as that in step S3, the driver of the driving needle 12 has released the leno thread 3 and the weft thread is inserted.
  • FIG. 13 The situation in the subsequent stop of the reed is shown in FIG. 13.
  • the position of the shed, the reed and the piercing and driving needle 11, 12 is the same as shown in Fig. 9, it should be noted that the piercing and driving needle 11, 12 change into the deep pocket and the upright threads 1, 2 are deflected by the tab 15 of the perforated needle 11, so that the upright thread 3 changes back to one side of the upright thread 1, 2.
  • the shed, the reed, the piercing and driving needle 11, 12 assume the position shown in step S2 and a new weft thread is inserted. The leno binding with the binding repeat 6 is thus produced.
  • the device contains a perforated needle 11 with a thread eyelet 16 and a driving needle 12 with two drivers 18, which can be moved back and forth in a straight line between a high or low position, to selectively use a leno thread 3 initially on one side of two warp threads 1, 2 and then on the other side of the warp threads 1, 2 to be transferred to a low or high shed position.
  • the thread eyelet and driver needle are assigned to one another in such a way that the thread eyelet 15 projects above the driver needle 12 with respect to the warp threads and the leno thread 3 is always guided on the driver element 12 and the drivers 18 are directed transversely to the running direction of the warp threads.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

In an appts for producing a leno weave, a leno thread is first led over to one side of at least one warp thread at a selected high or low shed position and then finally over to the other side of the warp threads in the alternate, i.e. low or high, shed position. The appts. comprises: a) a thread guide which moves straight up and down on one side of the warp threads between the high and low shed positions and back and has a wedge-shaped thread eyelet to hold the leno thread on the other side of the warp threads and deflect the warp threads during the up and down movement and b) on the other side of the warp threads a thread driver element which moves between the low and high shed positions and back and has two spaced elements to catch the thread. The eyelet (15) and the driver element (12) lie next to each other where the warp threads (1, 2) run such that the point where the thread exits from the eyelet (16) projects beyond the driver element and the catching elements (18) are aligned at right angles to the run of the warp threads so the threads are not caught unintentionally.

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen einer Dreherbindung gemäss dem Anspruch 1.The invention relates to a device for producing a leno binding according to claim 1.

Eine derartige Vorrichtung ist aus der DE-17 10 317 bekannt. Die Vorrichtung enthält einen auf einer Seite der Kettfäden geradlinig zwischen der Ober- bzw. Unterfachstellung auf und ab bewegbaren Fadenführer mit einer keilförmigen Fadenöse, um den Dreherfaden auf der anderen Seite der Kettfäden zu halten und die Kettfäden bei der Auf- und Abbewegung abzulenken und ein auf der anderen Seite der Kettfäden geradlinig zwischen der Unter- bzw. Oberfachstellung auf und abbewegbares Mitnehmerelement enthält, das Zwei zueinander beabstandete Mitnehmer aufweist, um den Dreherfaden zu erfassen.Such a device is known from DE-17 10 317. The device contains a thread guide that can be moved up and down in a straight line between the upper and lower shed positions on one side of the warp threads with a wedge-shaped thread eyelet in order to hold the leno thread on the other side of the warp threads and to deflect and deflect the warp threads during the up and down movement on the other side of the warp threads contains a carrier element which can be moved up and down in a straight line between the lower or upper compartment position and which has two mutually spaced carriers in order to grasp the leno thread.

Durch die gewählte Zuordnung des Fadenführers und des Mitnehmerelementes ist ein Fadenlenker vorzusehen, welcher neben dem Mitnehmerelement angeordnet und gegen dieses so versetzt ist, dass die Kettfäden aus der Bewegungsbahn des Mitnehmerelementes herausgelenkt werden. Als nachteilig erweist sich hierbei, dass auf engstem Raum drei Organe angeordnet werden müssen und dass das Einfädeln des Dreherfadens schwierig zu handhaben ist.Through the selected assignment of the thread guide and the driver element, a thread guide is to be provided, which is arranged next to the driver element and is offset from it in such a way that the warp threads are deflected out of the path of movement of the driver element. It proves to be disadvantageous here that three organs have to be arranged in a confined space and that the threading of the leno thread is difficult to handle.

Bei einer anderen Ausführungsform ist auf der einen Seite der Kettfäden ein geradlinig zwischen der Ober- bzw. Unterfachstellung auf und ab bewegbarer Fadenführer mit einer Fadenöse um den Dreherfaden auf der einen Seite der Kettfäden zu halten und ein auf der anderen Seite der Kettfäden geradlinig zwischen der Unter- bzw. Oberfachstellung auf und abbewegbares Mitnehmerelement enthält, das zwei zueinander beabstandete Mitnehmer aufweist, um den Dreherfaden zu erfassen sowie ein Führungsglied vorgesehen, welches ein seitliches Ablenken des Dreherfadens auf die andere Seite der Kettfäden bewirkt.In another embodiment, on one side of the warp threads, a thread guide that can be moved up and down in a straight line between the upper and lower shed positions is to be held with a thread eyelet around the leno thread on one side of the warp threads and a straight line on the other side of the warp threads between the Includes lower and upper compartment position up and down movable driver element, which has two mutually spaced drivers to capture the leno thread and a guide member is provided which causes a lateral deflection of the leno thread to the other side of the warp threads.

Diese Ausführungsform hat die Nachteile, dass das knappe Raumangebot für die Vorrichtung durch das Führungsglied wesentlich ausgenutzt wird und dass das Einfädeln des Dreherfaden durch das Führungsglied schwierig zu handhaben ist.This embodiment has the disadvantages that the limited space available for the device is substantially used by the guide member and that the threading of the leno thread by the guide member is difficult to handle.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in den Ansprüchen gekennzeichnet ist löst die Aufgabe eine Vorrichtung zum Herstellen einer Dreherbindung bezüglich Aufbau und Handhabung, zu verbessern.The invention seeks to remedy this. The invention, as characterized in the claims, solves the problem of improving a device for producing a leno binding in terms of structure and handling.

Durch die Zuordnung von Fadenöse und Mitnehmerelement wirkt letzteres gleichzeitig als Führungsmittel für den Dreherfaden und verhindert eine Aufnahme der Kettfäden durch die Mitnehmer, und wird die Zugänglichkeit beim Einfädeln eines Dreherfadens erleichtert.By assigning the thread eyelet and the driver element, the latter simultaneously acts as a guide for the leno thread and prevents the warp threads from being picked up by the drivers, and accessibility when threading a leno thread is facilitated.

Im folgenden wird die Erfindung anhand der beiliegenden Zeichnungen erläutert.The invention is explained below with reference to the accompanying drawings.

Es zeigen:

Fig. 1
eine räumliche Darstellung einer Dreherbindung mit dem Bindungsrapport 6;
Fig. 2
eine Ausführungsform einer erfindungsgemässen Vorrichtung zur Herstellung einer Dreherbindung gemäss Fig. 1;
Fig. 3
einen Schnitt entlang der Linie III-III in Fig. 2;
Fig. 4
die Einzelheit A in grösserem Massstab;
Fig. 5
eine andere Ausführungsform einer erfindungsgemässen Vorrichtung;
Fig. 6
einen Schnitt entlang der Linie VI-VI in Fig. 5 und
Fig. 7-13
die Arbeitsweise der Vorrichtung nach Fig. 2 und 3 in schematischer Darstellung.
Show it:
Fig. 1
a spatial representation of a leno binding with the binding repeat 6;
Fig. 2
an embodiment of an inventive device for producing a leno binding according to FIG. 1;
Fig. 3
a section along the line III-III in Fig. 2;
Fig. 4
detail A on a larger scale;
Fig. 5
another embodiment of a device according to the invention;
Fig. 6
a section along the line VI-VI in Fig. 5 and
Fig. 7-13
the operation of the device according to FIGS. 2 and 3 in a schematic representation.

Die Fig. 1 zeigt eine Dreherbindung, die zwei Kettfäden, die nachfolgend Steherfäden 1, 2 genannt werden und einen Dreherfaden 3 umfasst und mit der nachfolgend beschriebenen Vorrichtung hergestellt wird. Anstelle der zwei Kettfäden kann diese Dreherbindung auch mit mindestens einem Dreherfaden abgebunden werden.1 shows a leno weave, which comprises two warp threads, hereinafter referred to as upright threads 1, 2 and a leno thread 3 and is produced with the device described below. Instead of the two warp threads, this leno weave can also be tied with at least one leno thread.

Es wird auf die Figuren 2 und 3 Bezug genommen, welche eine Ausführungsform der Vorrichtung zeigen. Wie vorstehend erwähnt, werden zwei Steherfäden 1 und 2 verwendet, die mittels Litzen 5 und 6 im Gegentakt auf und ab bewegt werden. Die Litzen 5 und 6 können in Hilfsschäften (nicht dargestellt) angeordnet sein.Reference is made to FIGS. 2 and 3, which show an embodiment of the device. As mentioned above, two upright threads 1 and 2 are used, which are moved up and down in a push-pull manner by means of strands 5 and 6. The strands 5 and 6 can be arranged in auxiliary shafts (not shown).

Die Vorrichtung enthält eine Lochnadel 11, eine Mitnehmernadel 12 und zwei Antriebseinheiten 13. Die Lochnadel 11 besteht aus einer Stange 14 und einer Lasche 15, die an die Stange angeformt ist. In der Lasche 15 ist eine Bohrung 16 vorgesehen, die quer zur Längserstreckung der Stange ausgebildet ist und als Fadenöse für den Dreherfaden 3 dient. Die Mitnehmernadel 12 enthält eine Ausnehmung 17, die an ihren Enden hakenförmige Mitnehmer 18 aufweist.The device contains a perforated needle 11, a driving needle 12 and two drive units 13. The perforated needle 11 consists of a rod 14 and a tab 15 which is molded onto the rod. In the tab 15, a bore 16 is provided, which is formed transversely to the longitudinal extension of the rod and serves as a thread eyelet for the leno thread 3. The driver needle 12 contains a recess 17 which has hook-shaped drivers 18 at its ends.

Ein wesentliches Merkmal der Vorrichtung ist die räumliche Anordnung von Lochnadel 11 und Mitnehmernadel 12 zueinander. Wie aus der Fig. 3 ersichtlich ist die Lochnadel 11 auf einer Seite der Kettfäden 1, 2 und die Mitnehmernadel 12 auf der anderen Seite der Kettfäden 1, 2 angeordnet. Die Lasche 15 ist quer zur Laufrichtung der Kettfäden 1, 2 angeordnet und überragt die Kettfäden 1, 2, so dass die Lasche 15 und die Mitnehmernadel 12 nebeneinanderliegend in Laufrichtung der Kettfäden 1, 2 angeordnet sind. Durch diese Anordnung sowie die Ausbildung der als Fadenöse dienenden Bohrung 16 in der Lochnadel 11 und der Ausnehmung 17 in der Mitnehmernadel 12 wird in vorteilhafter Weise zum Einziehen des Dreherfadens 3 lediglich eine Einziehbewegung mit der Einziehnadel 19 benötigt (Fig. 4). Aus dieser Fig. 4 ist die Vereinfachung des Einziehvorganges des Dreherfadens 3 ersichtlich.An essential feature of the device is the spatial arrangement of perforated needle 11 and driving needle 12 in relation to one another. As can be seen from FIG. 3, the perforated needle 11 is arranged on one side of the warp threads 1, 2 and the driving needle 12 on the other side of the warp threads 1, 2. The tab 15 is arranged transversely to the running direction of the warp threads 1, 2 and projects above the warp threads 1, 2, so that the tab 15 and the driving needle 12 are arranged side by side in the running direction of the warp threads 1, 2. As a result of this arrangement and the formation of the bore 16 serving as a thread eyelet in the perforated needle 11 and the recess 17 in the driving needle 12, only a pulling-in movement with the pulling-in needle 19 is required in an advantageous manner for pulling in the leno thread 3 (FIG. 4). The simplification of the pulling-in process of the leno thread 3 can be seen from this FIG.

Die Figuren 5 und 6 Zeigen eine andere Ausführungsform der Vorrichtung mit der zwei Dreherbindungen gleichzeitig hergestellt werden. Diese Vorrichtung unterscheidet sich von der vorstehend beschriebenen in der Ausbildung der Lochnadel 21 und die Anordnung mit zwei Mitnehmernadeln 12. Die Lochnadel 21 besteht aus einer Stange 22 und zwei Laschen 23, die symmetrisch an der Stange 22 angeordnet sind. In den Laschen 23 sind Bohrungen 24 ausgebildet, die symmetrisch angeordnet sind (Fig. 6). Die Mitnehmernadeln 12 sind durch einen Steg 25 miteinander verbunden, so dass die Mitnehmernadeln 12 gleichzeitig bewegt werden.FIGS. 5 and 6 show another embodiment of the device with which two leno bindings are produced simultaneously. This device differs from the one described above in the design of the perforated needle 21 and the arrangement with two driver needles 12. The perforated needle 21 consists of a rod 22 and two tabs 23 which are arranged symmetrically on the rod 22. Bores 24 are formed in the tabs 23, which are arranged symmetrically (Fig. 6). The driver needles 12 are connected to one another by a web 25, so that the driver needles 12 are moved simultaneously.

Nachfolgend wird die Wirkungsweise der Vorrichtung zur Herstellung einer Dreherbindung anhand der Figuren 1 und 7 bis 13 beschrieben.The mode of operation of the device for producing a leno binding is described below with reference to FIGS. 1 and 7 to 13.

Bei der in Fig. 1 gezeigten Dreherbindung handelt es sich um einen sogenannten Ganzdreher mit dem Bindungsrapport 6. Die Wirkungsweise wird anhand von Schritten S1 bis S6 beschrieben, die in Fig. 1 angegeben sind und in den Figuren 7 bis 13 als Momentaufnahme beim Schusseintrag dargestellt sind.The lathe binding shown in FIG. 1 is a so-called full-length lathe with the binding repeat 6. The mode of operation is described with the aid of steps S1 to S6, which are indicated in FIG. 1 and shown in FIGS. 7 to 13 as a snapshot when the weft is inserted are.

Die Fig. 7 zeigt den Schritt S1. In dieser Situation ist das Webfach geöffnet, das Webblatt steht in der zurückgeschwenkten Stellung, die Mitnehmernadel 12 steht mit hochgezogenen Dreherfaden 3 im Hochfach und oberhalb des Steherfadens 2 des geöffneten Webfaches, die Lochnadel 11 steht mit dem Dreherfaden im Tieffach und unterhalb des Steherfadens 1 des geöffneten Webfaches, so dass der Dreherfaden auf einer Seite der Steherfäden 1, 2 vom Hochfach zum Tieffach verläuft und der Schussfaden wird eingetragen. Nachfolgend wechseln die Steherfäden 1, 2 ins Gegenfach und es folgt der Anschlag des Webblattes.7 shows step S1. In this situation, the shed is open, the reed is in the swiveled-back position, the driver needle 12 stands with the leno thread 3 pulled up in the high shed and above the upright thread 2 of the open shed, the piercing needle 11 stands with the leno thread in the down pocket and below the upright thread 1 des open shed so that the leno thread on one side of the upright threads 1, 2 runs from the high shed to the shed and the weft thread is inserted. Then the upright threads 1, 2 change into the opposite subject and the weaving reed stops.

Die Fig. 8 zeigt den Schritt S2. In dieser Situation ist nach dem Fachwechsel das Webfach wieder geöffnet, das Webblatt steht in der zurückgezogenen Stellung, die Lochnadel 11 ist im Tieffach verblieben, die Mitnehmernadel 12 hat ins Tieffach gewechselt und den Dreherfaden freigegeben. Hierbei verbleibt der Dreherfaden 3 auf der gleichen Seite der Steherfäden. Zum besseren Verständnis des Ablaufes wird die Situation beim nachfolgenden Anschlag des Webblattes anhand der Fig. 9 erläutert. In dieser Situation sind durch den ablaufenden Fachwechsel und die Bewegung von Loch- und Mitnehmernadel 11, 12 in das Hochfach, einerseits das Webfach geschlossen und andererseits die Steherfäden beim Wechsel ins Gegenfach mittels der Lasche 15 umgelenkt worden, so dass der Dreherfaden 3 auf die andere Seite der Steherfäden 1, 2 gewechselt hat.8 shows step S2. In this situation, the shed is opened again after changing the shed, the reed is in the retracted position, the piercing needle 11 has remained in the shed, the driving needle 12 has changed into the shed and released the leno thread. The leno thread 3 remains on the same side of the upright thread. To better understand the process, the situation at following stop of the reed explained with reference to FIG. 9. In this situation, due to the ongoing change of shed and the movement of perforated and driving needles 11, 12 into the high shed, on the one hand the shed is closed and on the other hand the upright threads have been deflected by means of the flap 15 when changing into the opposite shed, so that the leno thread 3 on the other Side of the upright threads 1, 2 has changed.

Die Fig. 10 zeigt den Schritt S3 nach dem vorstehend beschriebenen Fachwechsel. In dieser Situation ist das Webfach geöffnet, das Webblatt steht in der zurückgeschwenkten Stellung, die Lochnadel 11 und die Mitnehmernadel 12 stehen im Hochfach und der Schussfaden wird eingetragen. Nachfolgend wechseln die Steherfäden 1, 2 in das Gegenfach und die Mitnehmernadel 13 wechselt unter Mitnahme des Dreherfadens 3 in das Tieffach.10 shows step S3 after the change of subject described above. In this situation, the shed is open, the reed is in the swung-back position, the piercing needle 11 and the driving needle 12 are in the high shed and the weft thread is inserted. Subsequently, the upright threads 1, 2 change into the opposite compartment and the driving needle 13 changes into the deep compartment, taking the leno thread 3 with it.

Die Fig. 11 zeigt den Schritt S4. In dieser Situation ist nach dem Fachwechsel das Webfach geöffnet, das Webblatt steht in der zurückgeschwenkten Stellung, die Lochnadel 11 mit dem Dreherfaden 3 steht im Hochfach, die Mitnehmernadel 12 mit dem Dreherfaden steht im Tieffach, so dass der Dreherfaden 3 auf der anderen Seite der Steherfäden 1, 2 vom Hochfach zum Tieffach verläuft und es wird der Schussfaden eingetragen. Nachfolgend wechseln die Steherfäden 1, 2 in das Gegenfach, das Webblatt schlägt an und die Mitnehmernadel 12 wechselt unter Mitnahme des Dreherfadens 3 in das Hochfach.11 shows step S4. In this situation, the shed is open after changing the shed, the reed is in the swung-back position, the piercing needle 11 with the leno thread 3 is in the high shed, the driving needle 12 with the leno thread is in the deep shed, so that the leno thread 3 is on the other side of the Upright threads 1, 2 run from the high compartment to the deep compartment and the weft thread is inserted. Subsequently, the upright threads 1, 2 change into the opposite compartment, the reed strikes and the driving needle 12 changes into the high compartment, taking the leno thread 3 with it.

Die Fig. 12 zeigt den Schritt S5. In dieser Situation ist die Stellung des Webfaches, des Webblattes und der Loch- und Mitnehmernadel 11, 12 gleich denjenigen im Schritt S3, wobei der Mitnehmer der Mitnehmernadel 12 den Dreherfaden 3 freigegeben hat und es wird der Schussfaden eingetragen.12 shows step S5. In this situation, the position of the shed, the reed and the piercing and driving needle 11, 12 is the same as that in step S3, the driver of the driving needle 12 has released the leno thread 3 and the weft thread is inserted.

Die Situation beim nachfolgenden Anschlag des Webblattes ist die Fig. 13 gezeigt. In dieser Situation ist die Stellung des Webfaches, des Webblattes und der Loch- und Mitnehmernadel 11, 12 gleich wie in Fig. 9 gezeigt ist, wobei zu beachten ist, dass die Loch- und Mitnehmernadel 11, 12 in das Tieffach wechseln und die Steherfäden 1, 2 durch die Lasche 15 der Lochnadel 11 umgelenkt werden, so dass der Steherfaden 3 wieder auf die eine Seite der Steherfäden 1, 2 zurückwechselt.The situation in the subsequent stop of the reed is shown in FIG. 13. In this situation, the position of the shed, the reed and the piercing and driving needle 11, 12 is the same as shown in Fig. 9, it should be noted that the piercing and driving needle 11, 12 change into the deep pocket and the upright threads 1, 2 are deflected by the tab 15 of the perforated needle 11, so that the upright thread 3 changes back to one side of the upright thread 1, 2.

Nach Abschluss des Fachwechsel nehmen das Webfach, das Webblatt, die Loch- und Mitnehmernadel 11, 12 die im Schritt S2 dargestellte Stellung ein und es wird ein neuer Schussfaden eingetragen. Damit ist die Dreherbindung mit dem Bindungsrapport 6 hergestellt.After completing the change of shed, the shed, the reed, the piercing and driving needle 11, 12 assume the position shown in step S2 and a new weft thread is inserted. The leno binding with the binding repeat 6 is thus produced.

Die Vorrichtung enthält eine Lochnadel 11 mit einer Fadenöse 16 und eine Mitnehmernadel 12 mit zwei Mitnehmern 18, die geradlinig zwischen einer Hoch- bzw. Tieffachstellung hin und her bewegbar sind, um wahlweise einen Dreherfaden 3 zunächst auf einer Seite von zwei Kettfäden 1, 2 und anschliessend auf der anderen Seite der Kettfäden 1, 2 in eine Tief- bzw. Hochfachstellung zu überführen. Die Fadenöse und Mitnehmernadel sind einander so zugeordnet, dass die Fadenöse 15 bezüglich der Kettfäden die Mitnehmernadel 12 überragt und der Dreherfaden 3 stets am Mitnehmerelement 12 geführt ist und die Mitnehmer 18 quer zur Laufrichtung der Kettfäden gerichtet sind. Durch die Zuordnung von Fadenöse und Mitnehmerelement wirkt letzteres gleichzeitig als Führungsmittel für den Dreherfaden und verhindert eine Aufnahme der Kettfäden durch die Mitnehmer, und wird die Zugänglichkeit beim Einfädeln eines Dreherfadens erleichtert.The device contains a perforated needle 11 with a thread eyelet 16 and a driving needle 12 with two drivers 18, which can be moved back and forth in a straight line between a high or low position, to selectively use a leno thread 3 initially on one side of two warp threads 1, 2 and then on the other side of the warp threads 1, 2 to be transferred to a low or high shed position. The thread eyelet and driver needle are assigned to one another in such a way that the thread eyelet 15 projects above the driver needle 12 with respect to the warp threads and the leno thread 3 is always guided on the driver element 12 and the drivers 18 are directed transversely to the running direction of the warp threads. By assigning the thread eyelet and the driver element, the latter simultaneously acts as a guide for the leno thread and prevents the warp threads from being picked up by the drivers, and accessibility when threading a leno thread is facilitated.

Claims (5)

Vorrichtung zum Herstellen einer Dreherbindung, bei dem ein Dreherfaden zunächst auf einer Seite von mindestens einem Kettfaden wahlweise in eine Hoch- bzw. Tieffachstellung und anschliessend auf der anderen Seite der Kettfäden in eine Tief- bzw. Hochfachstellung überführt wird, welche Vorrichtung einen auf einer Seite der Kettfäden geradlinig zwischen der Hoch- bzw. Tieffachstellung auf und ab bewegbaren Fadenführer mit einer keilförmigen Fadenöse, um den Dreherfaden auf der anderen Seite der Kettfäden zu halten und die Kettfäden bei der Auf- und Abbewegung abzulenken und ein auf der anderen Seite der Kettfäden geradlinig zwischen der Tief- bzw. Hochfachstellung auf und ab bewegbares Mitnehmerelement enthält, das zwei zueinander beabstandete Mitnehmer aufweist, um den Dreherfaden zu erfassen, dadurch gekennzeichnet, dass die keilförmige Fadenöse (15) und das Mitnehmerelement (12) in Laufrichtung der Kettfäden (1, 2) nebeneinanderliegend angeordnet sind, derart, dass die Fadenaustrittstelle der Fadenöse (16) das Mitnehmerelement (12) überragt und der Dreherfaden (3) stets am Mitnehmerelement geführt ist und dass die Mitnehmer (18) quer zur Laufrichtung der Kettfäden (1, 2) gerichtet sind, um eine versehentliche Aufnahme derselben durch die Mitnehmer auszuschliessen.Device for producing a leno weave, in which a leno thread is first transferred on one side from at least one warp thread to a high or low position and then on the other side of the warp threads to a low or high position, which device moves one on one side the warp threads in a straight line between the up and down position up and down movable thread guide with a wedge-shaped thread eyelet to hold the leno thread on the other side of the warp threads and to deflect the warp threads as they move up and down and one on the other side of the warp threads in a straight line contains between the low or high shed position movable driver element which has two mutually spaced drivers to capture the leno thread, characterized in that the wedge-shaped thread eyelet (15) and the driver element (12) in the running direction of the warp threads (1, 2) are arranged side by side, such that the Thread exit point of the thread eyelet (16) protrudes over the driver element (12) and the leno thread (3) is always guided on the driver element and that the drivers (18) are directed transversely to the running direction of the warp threads (1, 2) in order to prevent them being accidentally picked up by the Exclude carriers. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass zwei Fadenösen (23) am Fadenführer (11) vorgesehen sind, die symmetrisch angeordnet sind, und dass zwei Mitnehmerelemente (12) vorgesehen sind, die bezüglich der Laufbahn des Fadenführers symmetrisch angeordnet und miteinander verbunden sind.Apparatus according to claim 1, characterized in that two thread eyelets (23) are provided on the thread guide (11), which are arranged symmetrically, and that two driver elements (12) are provided, which are arranged symmetrically with respect to the path of the thread guide and connected to each other. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass eine Antriebseinheit (13) für den Fadenführer (11) und eine Antriebseinheit (13) für das Mitnehmerelement (12) vorgesehen sind.Device according to one of claims 1 or 2, characterized in that a drive unit (13) for the thread guide (11) and a drive unit (13) for the driver element (12) are provided. Vorrichtung nach einem der Ansprüche 1 oder 2, gekennzeichnet durch eine Antriebseinheit (13) für die Mitnehmerelemente (12).Device according to one of claims 1 or 2, characterized by a drive unit (13) for the driver elements (12). Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Antriebseinheit eine Linearantriebseinheit ist.Device according to one of claims 3 or 4, characterized in that the drive unit is a linear drive unit.
EP19950810251 1995-04-13 1995-04-13 Device to form a leno weave Expired - Lifetime EP0737764B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19950810251 EP0737764B1 (en) 1995-04-13 1995-04-13 Device to form a leno weave
DE59506352T DE59506352D1 (en) 1995-04-13 1995-04-13 Device for making a lathe binding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950810251 EP0737764B1 (en) 1995-04-13 1995-04-13 Device to form a leno weave

Publications (2)

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EP0737764A1 true EP0737764A1 (en) 1996-10-16
EP0737764B1 EP0737764B1 (en) 1999-07-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1016743A1 (en) * 1998-12-09 2000-07-05 Sulzer Textil Ag Device for the controlled displacement of a weft thread
US6189576B1 (en) 1998-12-09 2001-02-20 Sulzer Rueti Ag Apparatus for the controlled moving of a warp thread
DE102009040289A1 (en) 2008-09-15 2010-04-15 The Goodyear Tire & Rubber Co., Akron Pneumatic tire with a fabric layer with leno weave

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1710317A1 (en) 1967-03-10 1971-11-04 Rueti Ag Maschf Production of a leno binding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1710317A1 (en) 1967-03-10 1971-11-04 Rueti Ag Maschf Production of a leno binding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1016743A1 (en) * 1998-12-09 2000-07-05 Sulzer Textil Ag Device for the controlled displacement of a weft thread
US6189576B1 (en) 1998-12-09 2001-02-20 Sulzer Rueti Ag Apparatus for the controlled moving of a warp thread
DE102009040289A1 (en) 2008-09-15 2010-04-15 The Goodyear Tire & Rubber Co., Akron Pneumatic tire with a fabric layer with leno weave

Also Published As

Publication number Publication date
DE59506352D1 (en) 1999-08-12
EP0737764B1 (en) 1999-07-07

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