EP2248933B1 - Method for producing technical narrow woven fabrics and corresponding device - Google Patents

Method for producing technical narrow woven fabrics and corresponding device Download PDF

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Publication number
EP2248933B1
EP2248933B1 EP20100161939 EP10161939A EP2248933B1 EP 2248933 B1 EP2248933 B1 EP 2248933B1 EP 20100161939 EP20100161939 EP 20100161939 EP 10161939 A EP10161939 A EP 10161939A EP 2248933 B1 EP2248933 B1 EP 2248933B1
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EP
European Patent Office
Prior art keywords
weft
thread
needle
main
threads
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EP20100161939
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German (de)
French (fr)
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EP2248933A3 (en
EP2248933A2 (en
Inventor
Constantin Georgi
Wolfgang Frank
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MBG Techbelt Innovation GmbH
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MBG Techbelt Innovation GmbH
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Publication of EP2248933A2 publication Critical patent/EP2248933A2/en
Publication of EP2248933A3 publication Critical patent/EP2248933A3/en
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/06—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a pivoted needle having a permanently-threaded eye
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0005—Woven fabrics for safety belts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0094—Belts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/10—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a forked needle pushing loop of weft through shed

Definitions

  • the invention relates to a method for producing technical narrow fabric, in particular for safety belts and technical belts.
  • the invention further relates to a device for a weaving machine for the production of technical narrow fabric, in particular of a webbing.
  • the longitudinal direction of the technical narrow fabric 1 lies in the direction of the y-axis, and the z-axis represents a thickness of the technical narrow fabric 1 perpendicular to the plane of the drawing.
  • the coordinate system is here so arranged with respect to the technical narrow fabric 1, that a position x0 of a left Edge of a first edge region 2 of the webbing is assigned.
  • This first edge region 2 is connected at a position x1 to a middle region 4 which extends up to a position x2 at which a second edge region 3 adjoins the middle region 4 up to one end of the width of the webbing in a position x3.
  • At least two different materials are usually additionally used as a weft, one of which is a monofilament weft thread and the other a multifilament weft thread. It is also possible that in a central region of the webbing more weft density is woven through two multifilament yarns in different yarn counts. In this case, there is a requirement that the monofilament weft thread of both webbing edges or edges must be covered more than half a millimeter towards the center of the webbing and must be invisible. For this purpose, corresponding costly devices and methods are required.
  • Yet another object is to provide a corresponding device for a loom for producing a technical narrow fabric, in particular a webbing.
  • the invention provides a method for producing technical narrow fabric, in particular for safety belts and technical belts, with the method step weaving a fabric of warp threads and weft threads, wherein the weft threads are entered by means of a weft needle. At least one main weft thread is passed through the weft needle forming a bridge section, the bridge section guiding at least one tow weft.
  • a second weft thread as a weft weft thread without additional devices, such as guide needles.
  • the main weft thread is guided by the weft needle so that it forms a bridge section which receives the drag weft thread and carries with it.
  • Another advantage is that the towed weft yarn is readily taken up by the bridge portion at a pre-settable position in the transverse direction of the narrow fabric to be manufactured, whereby the technical narrow fabric has a first edge area with the main weft but without the towing weft and a center area with main weft and drag weft together, resulting in a stiffer middle region in a simple manner compared to the first edge region.
  • a second edge region is created in a conventional manner by means of the knitting needle.
  • the invention provides a device for a weaving machine for producing technical narrow fabric, in particular for safety belts and technical belts, of warp threads and weft threads with at least one weft needle for guiding and registering the weft threads; at least one knitting needle, which is arranged opposite to the at least one weft needle; and at least one thread guide for guiding at least one drag weft thread; wherein the at least one weft needle is designed to guide at least one main weft thread and form a bridge section of the at least one main weft thread with at least two guide sections.
  • the weft needle may comprise an upper weft needle and a lower weft needle which guide the main weft thread by means of guide sections, for example guide eyelets, such that the bridge section of the main weft thread is formed between these guide sections.
  • guide sections for example guide eyelets
  • the at least one towing weft thread in a SchleppschussabĂȘt with a pre-definable length, which is equal to a width of the narrow fabric or smaller, is entered, wherein the at least one main weft thread in a main weft portion whose length is equal to the width of the narrow fabric registered becomes.
  • the at least one towed weft yarn is taken up and entered at a drag start at a pre-definable position of the width of the narrow fabric of the bridge portion of the at least one main weft yarn.
  • the towing start is determined by the previously definable position of a thread guide.
  • the thread guide can be, for example, an eyelet which is arranged in the course of the warp threads, for example behind shafts or a jacquard machine and in front of the weft needle.
  • the towing weft thread runs between the shafts in the direction of the warp threads.
  • This thread guide can at previously at any position of the transverse direction of the be arranged to produce technical narrow fabric, whereby a previously adjustable towing shot start at its functionally correct place and yet well protected from external influence is simple and inexpensive to implement.
  • the second edge region without Schleppschussfaden can be produced in a conventional manner, wherein a yarn tension of the drag weft yarn is adjustable.
  • multifilament yarns are used as warp yarns and as main weft yarns in weaving, whereby a monofilament yarn is used as a towed weft yarn.
  • multifilament yarns can also be used as warp yarns and as main weft yarn in weaving, with a monofilament yarn and / or a multifilament yarn being used as the towed weft yarn.
  • the at least one towed weft thread can have a monofilament thread or a plurality of monofilament threads with the same or different yarn counts.
  • the at least one towing weft thread has at least one additional functional thread with electrical conductivity. This creates a simple encoder device for certain security and or communication tasks.
  • the electrically conductive functional thread can also serve to dissipate static electricity.
  • a webbing is made by the method described above.
  • An apparatus is used to carry out the above method.
  • FIG. 3 shows a schematic view of an embodiment of an inventive device 10 for producing a technical Narrow tissue 1 by means of a method according to the invention.
  • the technical narrow fabric is a webbing with a transverse direction in the x-direction of the coordinate system (see also Fig. 2 ), and a longitudinal direction that extends in the y-direction.
  • Fig. 3 In the upper area of the Fig. 3 There are two spaced layers of warp threads 20, which form a front compartment 32 (see also Fig. 4 ). There are only seven warps 20 indicated, it can be much more or less.
  • the technical narrow fabric 1 is moved in the direction of movement in the y direction down and is in execution as webbing in the lower part of Fig. 3 ready woven.
  • it has a first (left) edge region 2 (coordinates x 0 to x 1 ), a central region 4 (coordinates x 1 to x 2 ) and a second (right) edge region 3 (coordinates x 2 to x 3 ).
  • the device 10 comprises: at least one weft needle 11 for guiding and registering weft threads 21, 22; at least one knitting needle 18 which is disposed opposite to the at least one weft needle 11; and at least one thread guide 19 for guiding at least one tow weft 22.
  • the weft needle 11 consists of an upper weft needle 12 and a lower weft needle 13, which are preferably arranged one above the other in parallel and pivotable with each other at the same time. Other positions are of course possible.
  • the weft needle 11 is pivotable about a fixed pivot axis on the left side (not shown) in the front compartment 32 for entry of weft threads 21, 22 and pivotable out of it.
  • the weft needle 11 is shown in its pivoted end position.
  • the upper weft needle 12 has an upper weft needle end 14 with an upper guide portion 16.
  • the lower weft needle 13 has a lower weft needle end 15 and a lower guide portion 17. Both weft needle ends 14,15 are bent downwards in the y direction.
  • both weft needle 14, 15 are formed as eyelets. Other shapes, such as hooks, are possible. Also in the central portions of the weft needles 14, 15 guide portions are attached in the form of eyelets, which can serve to different thread guide.
  • a main weft yarn 21 passes first through the upper guide section 16 of the upper weft needle 14 into the lower guide section 17 of the lower weft needle 15 and from there as a main weft section 24 through the front compartment to a left edge of the technical narrow fabric 1.
  • the further course becomes related below Fig. 5 described.
  • the main weft thread 21 forms a bridge section 23 around which a tow weft 22, which is guided by a thread guide 19 in the rear area of the front compartment 32 (see also FIG Fig. 4 ) is run around.
  • weft needle 11 when the weft needle 11 is pivoted clockwise into the front compartment 32, two weft threads, namely the main weft thread 21 and the towing weft thread 22 are inserted. These are then processed in the pivoted position shown on the right side with a knitting needle 18 on the right side to the second edge region 3 such that when pivoting back the weft needle 11 in the counterclockwise direction of the main weft 21 in the position x 3 and the towing weft 22 in held the position x 2 and continue to be entered as two weft threads in the opposite direction x in the front compartment 32.
  • the weft needle 11 When the weft needle 11 is swung out of the front compartment 32, a new front compartment is opened by operating the shafts 34 (corresponding to FIG Fig. 4 ) educated.
  • the towing weft thread runs 22 as SchleppschussabĂȘt 25 of a Schleppschussbeginn 28 (coordinate x 1 ) to a Schleppschussende 29 (coordinate x 2 ) and in the figure back to the left back as Schleppschuss return section 26 to a new Schleppschussbeginn 28 (as well as Fig. 5 it can be seen).
  • the central region 4 is created, which by entry of Kleinschussabschitt 24 of the main weft yarn 21 and the drag shot portion 25 and drag-return portion 26 of the towing weft yarn 22 and main weft return section 27 (FIG. Fig. 5 ) has a greater transverse rigidity of the technical narrow fabric 1, as the edge regions 2 and 3 without Schleppschussfaden 22nd
  • the position of the Schleppschussendes 29 is determined, which is also not described here.
  • two broader edge regions with the coordinates x 0 to x 1 'and x 2 ' to x 3 are shown in the lowermost portion of the webbing.
  • An associated Schleppschussbeginn 28 ' is positioned at the coordinate x 1 '.
  • FIG. 4 is a schematic representation of the device 10 according to the invention Fig. 3 shown in combination with a loom, with only a few functional units of the loom are shown schematically.
  • the warp threads 20 run in the Fig. 4 in y-direction from left to right, where they are guided in shafts 34. By means of the shanks 34, the warp threads 20 are adjusted in threads with Ketthebung 36 and Kettsenkung 37 to form a rear compartment 31 and a front compartment 32. The warp threads 20 then continue in the y direction through a reed 35 and finally form the technical narrow fabric. 1
  • Weft needle 11 is arranged on the front compartment 32, of which the upper weft needle 12 and the lower weft needle 13 are indicated.
  • the thread guide 19 is arranged in this example in the front compartment 32 in the y direction close behind the shanks 34.
  • the finished technical narrow fabric 1 is in Fig. 5 illustrated enlarged in a schematic plan view of a portion of a fabric construction of a webbing.
  • the section is cut off at the top and bottom in the y direction. It's just the left side ( Fig. 3 ) with the first edge region 2 (coordinate x 0 to x 1 ) and a subsection of the middle region 4 (from the coordinate x 1 ).
  • the main weft 21 is drawn for clarity with two inner lines.
  • three warp threads 20 are arranged in this preferred example. These warp threads 20 and also those of the central portion 4 form Ketthebitch 36 and Kettsenkungen 37 with respective subjects in which weft threads are registered in a professional entry 33.
  • the middle section 4 four weft threads are entered, namely the main weft thread 21 with the main weft section 24 running from left to right and the main weft return section 27 running from right to left, and the weft weft 22 with the towing shot section 25 running from left to right and that from the right to the left dragline return section 26.
  • the main weft yarn 21 moves from the weft needle 11 to the right and wraps around the first warp yarn 20. Its bridge section 23 comes into contact with the weft yarn 22 held there by the yarn guide 19 at the position of the coordinate x 1 and guides it in a wraparound loop as the start of the weft yarn 28 the compartment entry 33 further along with the main weft 21 to the right through the compartment to the right edge, as explained in more detail above.
  • the weft needle 11 of the main weft yarn 21 are moved to the bridge section 23 and the still attached thereto 35 sling weft yarn to the left.
  • the towing weft thread 22 is held in this position due to the thread guide 19 previously positioned here and releases from the bridge section 23.
  • the weft needle 11 continues to pivot to its original position, with only the main weft thread 21 being led out of the pocket and then again Tray formation is again entered through the weft needle 11 in the tray, as described above.
  • the main weft 21 is here as a multifilament yarn, and the tow weft 22 is formed here as a monofilament thread.
  • weft threads for example with different yarn counts and / or colors, can be entered. They can also have different properties and functions.
  • an additional weft (main weft 21 and / or tow weft 22) to be used for certain security and / or communication systems / tasks having electrical conductivity (for example, wire or conductive fibers).
  • electrical conductivity for example, wire or conductive fibers.

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  • Textile Engineering (AREA)
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Description

Die Erfindung bezieht sich auf ein Verfahren zum Herstellen von technischem Schmalgewebe, insbesondere fĂŒr Sicherheitsgurte und technische Gurte. Die Erfindung betrifft ferner eine Vorrichtung fĂŒr eine Webmaschine zur Herstellung von technischem Schmalgewebe, insbesondere von einem Gurtband.The invention relates to a method for producing technical narrow fabric, in particular for safety belts and technical belts. The invention further relates to a device for a weaving machine for the production of technical narrow fabric, in particular of a webbing.

Derartiges technisches Schmalgewebe, wie zum Beispiel GurtbĂ€nder als Sicherheitsgurte fĂŒr Fahrzeuge aller Art, Airbagfanggurte, RĂŒckhaltegurte, SchmuckbĂ€nder, GurtbĂ€nder, Tragegurte usw. werden fĂŒr Erwachsene als auch fĂŒr Kinder verwendet und finden beispielsweise auch fĂŒr Sport, Freizeit und Arbeit Verwendung als Absicherung bei GerĂŒst-, Dacharbeiten und beim Klettersport. Ebenfalls sind derartige GurtbĂ€nder als technische Gurte in mannigfaltiger Weise im Einsatz, wie zum Beispiel Verladegeschirre und dergleichen.

  • Fig. 1 zeigt eine hĂ€ufige bekannte Anwendung eines technischen Schmalgewebes 1 als Sicherheitsgurt in einem Kraftfahrzeug. Eine Aufwickeleinrichtung 8 befindet sich im unteren Bereich eines nicht dargestellten TĂŒrholms. In Aufwickeleinrichtung 8 ist ein Teil des technischen Schmalgewebes 1 aufgewickelt, welches durch eine DurchfĂŒhrung 6 in einem Umlenkbeschlag 5, der im Bereich der Schulterhöhe eines Fahrzeuginsassen angeordnet ist, und durch eine weitere DurchfĂŒhrung 6 in einer Steckzunge 7 umgelenkt wird. In dem technischen Schmalgewebe 1 wirken ZugkrĂ€fte 9 beim Ausziehen und ZurĂŒckziehen des Gurtbandes wie auch RĂŒckhaltekrĂ€fte, zum Beispiel bei einem Aufprall des Fahrzeugs. In den Bereichen der DurchfĂŒhrung kann es zu einem Problem der Verdrehung des Gurtbandes kommen, wenn das Gurtband in seiner Breite, d.h. in seiner Querrichtung eine zu geringe Steife besitzt.
  • Fig. 2 zeigt ein bekanntes technisches Schmalgewebe 1 in AusfĂŒhrung als Gurtband mit einem Gewebe 38 aus KettfĂ€den 20 und SchussfĂ€den 21; 22. Zur Orientierung dient ein Koordinatensystem, dessen x-Achse in der Querrichtung oder Breite des technischen Schmalgewebes 1 verlĂ€uft. Eine
Such technical narrow fabric, such as belt straps as safety belts for vehicles of all kinds, airbag safety belts, restraining straps, jewelry straps, straps, risers, etc. are used for adults as well as children and are also used, for example, for sports, leisure and work as protection for scaffolding , Roof work and climbing. Also, such straps are used as technical straps in a variety of ways, such as loading harnesses and the like.
  • Fig. 1 shows a common known application of a technical narrow fabric 1 as a seat belt in a motor vehicle. A winding device 8 is located in the lower region of a door spar, not shown. In winding device 8, a part of the technical narrow fabric 1 is wound, which is deflected by a passage 6 in a deflection fitting 5, which is located in the shoulder height of a vehicle occupant, and by a further implementation 6 in a tongue 7. In the technical narrow fabric 1 tensile forces act 9 when pulling out and retraction of the webbing as well as restraining forces, for example in a collision of the vehicle. In the areas of implementation, there may be a problem of twisting of the webbing when the webbing has in its width, ie in its transverse direction to a low stiffness.
  • Fig. 2 shows a known technical narrow fabric 1 in execution as a webbing with a fabric 38 of warp yarns 20 and weft yarns 21; 22. For orientation, a coordinate system is used whose x-axis extends in the transverse direction or width of the technical narrow fabric 1. A

LĂ€ngsrichtung des technischen Schmalgewebes 1 liegt in Richtung der y-Achse, und die z-Achse stellt eine Dicke des technischen Schmalgewebes 1 senkrecht zur Zeichnungsebene dar. Das Koordinatensystem ist hier so in Bezug auf das technische Schmalgewebe 1 angeordnet, dass eine Position x0 einer linken Kante eines ersten Randbereiches 2 des Gurtbandes zugeordnet ist. Dieser erste Randbereich 2 ist an einer Position x1 mit einem Mittelbereich 4 verbunden, welcher sich bis zu einer Position x2 erstreckt, an der ein zweiter Randbereich 3 bis zu einem Ende der Breite des Gurtbandes in einer Position x3 sich an den Mittelbereich 4 anschließt.The longitudinal direction of the technical narrow fabric 1 lies in the direction of the y-axis, and the z-axis represents a thickness of the technical narrow fabric 1 perpendicular to the plane of the drawing. The coordinate system is here so arranged with respect to the technical narrow fabric 1, that a position x0 of a left Edge of a first edge region 2 of the webbing is assigned. This first edge region 2 is connected at a position x1 to a middle region 4 which extends up to a position x2 at which a second edge region 3 adjoins the middle region 4 up to one end of the width of the webbing in a position x3.

Beispiele von diversen BĂ€ndern und deren Herstellungsverfahren sind aus den Druckschriften WO 91/14814 A1 , EP 0 147 621 A1 , DE 94 21 227U1 , EP 0 036 920 A2 , CH 532 669 A und DE 16 90 588 A1 bekannt.Examples of various tapes and their production methods are from the documents WO 91/14814 A1 . EP 0 147 621 A1 . DE 94 21 227U1 . EP 0 036 920 A2 . CH 532 669 A and DE 16 90 588 A1 known.

Zur Erhöhung der StabilitĂ€t der Quersteifigkeit werden ĂŒblicherweise zusĂ€tzlich mindestens zwei verschiedene Materialien als Schuss verwendet, von denen der eine ein monofiler und der andere ein multifiler Schussfaden ist. Es ist auch möglich, dass in einem Mittelbereich des Gurtbandes mehr Schussdichte durch zwei Multifilelement-FĂ€den in verschiedenen Fadenfeinheiten eingewebt wird. Hierbei besteht die Forderung, dass der monofile Schussfaden von beiden GurtbandrĂ€ndern oder -kanten mehr als einen halben Millimeter zur Gurtbandmitte hin abgedeckt und unsichtbar sein muss. Hierzu sind entsprechende kostenaufwĂ€ndige Vorrichtungen und Verfahren erforderlich.To increase the stability of the transverse rigidity, at least two different materials are usually additionally used as a weft, one of which is a monofilament weft thread and the other a multifilament weft thread. It is also possible that in a central region of the webbing more weft density is woven through two multifilament yarns in different yarn counts. In this case, there is a requirement that the monofilament weft thread of both webbing edges or edges must be covered more than half a millimeter towards the center of the webbing and must be invisible. For this purpose, corresponding costly devices and methods are required.

Es ist daher die Aufgabe der vorliegenden Erfindung, ein Verfahren zum Herstellen von technischem Schmalgewebe bereitzustellen, welches die obigen Nachteile nicht mehr oder zumindest in erheblichem Maße reduzierten Umfang aufweist und welches weitere Vorteile schafft.It is therefore the object of the present invention to provide a method for producing technical narrow fabric, which no longer or at least to a significantly reduced extent has the above disadvantages and which provides further advantages.

Eine noch weitere Aufgabe ist es, eine entsprechende Vorrichtung fĂŒr eine Webmaschine zur Herstellung eines technischen Schmalgewebes, insbesondere eines Gurtbandes, zu schaffen.Yet another object is to provide a corresponding device for a loom for producing a technical narrow fabric, in particular a webbing.

ErfindungsgemĂ€ĂŸ werden diese Aufgaben durch ein Verfahren mit den Merkmalen des Anspruchs 1 und/oder durch eine Vorrichtung mit den Merkmalen des Anspruchs 8 gelöst.According to the invention, these objects are achieved by a method having the features of claim 1 and / or by a device having the features of claim 8.

Die Erfindung schafft ein Verfahren zum Herstellen von technischem Schmalgewebe, insbesondere fĂŒr Sicherheitsgurte und technische Gurte, mit dem Verfahrensschritt Weben eines Gewebes aus KettfĂ€den und SchussfĂ€den, wobei die SchussfĂ€den mittels einer Schussnadel eingetragen werden. Zumindest ein Hauptschussfaden wird durch die Schussnadel mit Bilden eines BrĂŒckenabschnitts gefĂŒhrt, wobei der BrĂŒckenabschnitt zumindest einen Schleppschussfaden fĂŒhrt.The invention provides a method for producing technical narrow fabric, in particular for safety belts and technical belts, with the method step weaving a fabric of warp threads and weft threads, wherein the weft threads are entered by means of a weft needle. At least one main weft thread is passed through the weft needle forming a bridge section, the bridge section guiding at least one tow weft.

Dadurch ist es vorteilhaft möglich, einen zweiten Schussfaden als Schleppschussfaden ohne zusĂ€tzliche Einrichtungen, wie zum Beispiel FĂŒhrungsnadeln, einzutragen. Der Hauptschussfaden wird dabei durch die Schussnadel so gefĂŒhrt, dass er einen BrĂŒckenabschnitt bildet, welcher den Schleppschussfaden aufnimmt und mit sich fĂŒhrt.As a result, it is advantageously possible to enter a second weft thread as a weft weft thread without additional devices, such as guide needles. The main weft thread is guided by the weft needle so that it forms a bridge section which receives the drag weft thread and carries with it.

Ein weiterer Vorteil besteht darin, dass der Schleppschussfaden an einer vorher festlegbaren Position in Querrichtung des herzustellenden Schmalgewebes von dem BrĂŒckenabschnitt in einfacher Weise aufgenommen wird, wodurch das technische Schmalgewebe einen ersten Randbereich mit dem Hauptschussfaden jedoch ohne den Schleppschussfaden und einen Mittelbereich mit Hauptschuss- und Schleppschussfaden zusammen erhĂ€lt, woraus sich gegenĂŒber dem ersten Randbereich ein steiferer Mittelbereich in einfacher Weise ergibt. Ein zweiter Randbereich wird auf herkömmliche Weise mittels der Wirknadel erstellt.Another advantage is that the towed weft yarn is readily taken up by the bridge portion at a pre-settable position in the transverse direction of the narrow fabric to be manufactured, whereby the technical narrow fabric has a first edge area with the main weft but without the towing weft and a center area with main weft and drag weft together, resulting in a stiffer middle region in a simple manner compared to the first edge region. A second edge region is created in a conventional manner by means of the knitting needle.

Ein noch weiterer Vorteil ergibt sich darin, dass weiche Randbereiche des technischen Schmalgewebes, zum Beispiel bei Sicherheitsgurten, einen Tragekomfort schaffen, wobei gleichzeitig ein steiferer Mittelbereich eine höhere Quersteifigkeit schafft.Yet another advantage results from the fact that soft edge areas of the technical narrow fabric, for example in safety belts, provide comfort, while at the same time a stiffer middle area creates a higher transverse rigidity.

Außerdem schafft die Erfindung eine Vorrichtung fĂŒr eine Webmaschine zur Herstellung technischen Schmalgewebes, insbesondere fĂŒr Sicherheitsgurte und technische Gurte, aus KettfĂ€den und SchussfĂ€den mit zumindest einer Schussnadel zur FĂŒhrung und Eintragung der SchussfĂ€den; zumindest einer Wirknadel, welche der zumindest einen Schussnadel gegenĂŒber liegend angeordnet ist; und zumindest einer FadenfĂŒhrung zur FĂŒhrung zumindest eines Schleppschussfadens; wobei die zumindest eine Schussnadel zur FĂŒhrung zumindest eines Hauptschussfadens und Bildung eines BrĂŒckenabschnitts des zumindest einen Hauptschussfadens mit zumindest zwei FĂŒhrungsabschnitten ausgebildet ist.In addition, the invention provides a device for a weaving machine for producing technical narrow fabric, in particular for safety belts and technical belts, of warp threads and weft threads with at least one weft needle for guiding and registering the weft threads; at least one knitting needle, which is arranged opposite to the at least one weft needle; and at least one thread guide for guiding at least one drag weft thread; wherein the at least one weft needle is designed to guide at least one main weft thread and form a bridge section of the at least one main weft thread with at least two guide sections.

Die Schussnadel kann eine obere Schussnadel und eine untere Schussnadel aufweisen, die den Hauptschussfaden mittels FĂŒhrungsabschnitten, zum Beispiel FĂŒhrungsösen, so fĂŒhren, dass zwischen diesen FĂŒhrungsabschnitten der BrĂŒckenabschnitt des Hauptschussfadens gebildet wird.The weft needle may comprise an upper weft needle and a lower weft needle which guide the main weft thread by means of guide sections, for example guide eyelets, such that the bridge section of the main weft thread is formed between these guide sections.

In bevorzugter AusfĂŒhrung wird der zumindest eine Schleppschussfaden in einem Schleppschussabschnitt mit einer vorher festlegbaren LĂ€nge, welche gleich einer Breite des Schmalgewebes oder kleiner als diese ist, eingetragen, wobei der zumindest eine Hauptschussfaden in einem Hauptschussabschnitt, dessen LĂ€nge gleich der Breite des Schmalgewebes ist, eingetragen wird.In a preferred embodiment, the at least one towing weft thread in a Schleppschussabschnitt with a pre-definable length, which is equal to a width of the narrow fabric or smaller, is entered, wherein the at least one main weft thread in a main weft portion whose length is equal to the width of the narrow fabric registered becomes.

Der zumindest eine Schleppschussfaden wird an einem Schleppschussbeginn an einer vorher festlegbaren Position der Breite des Schmalgewebes von dem BrĂŒckenabschnitt des zumindest einen Hauptschussfadens aufgenommen und eingetragen. Dazu wird der Schleppschussbeginn durch die vorher festlegbare Position einer FadenfĂŒhrung festgelegt. Die FadenfĂŒhrung kann zum Beispiel eine Öse sein, welche im Verlauf der KettfĂ€den, zum Beispiel hinter SchĂ€ften bzw. einer Jacquardmaschine und vor der Schussnadel angeordnet ist. Dabei verlĂ€uft der Schleppschussfaden zum Beispiel zwischen den SchĂ€ften in Richtung der KettfĂ€den. Diese FadenfĂŒhrung kann an vorher an beliebiger Position der Querrichtung des herzustellenden technischen Schmalgewebes angeordnet werden, wodurch ein vorher einstellbare Schleppschussbeginn an seiner funktional richtigen Stelle und doch vor Ă€ußerem Einfluss gut geschĂŒtzt einfach und kostengĂŒnstig realisierbar ist.The at least one towed weft yarn is taken up and entered at a drag start at a pre-definable position of the width of the narrow fabric of the bridge portion of the at least one main weft yarn. For this purpose, the towing start is determined by the previously definable position of a thread guide. The thread guide can be, for example, an eyelet which is arranged in the course of the warp threads, for example behind shafts or a jacquard machine and in front of the weft needle. For example, the towing weft thread runs between the shafts in the direction of the warp threads. This thread guide can at previously at any position of the transverse direction of the be arranged to produce technical narrow fabric, whereby a previously adjustable towing shot start at its functionally correct place and yet well protected from external influence is simple and inexpensive to implement.

Der zweite Randbereich ohne Schleppschussfaden ist in herkömmlicher Weise herstellbar, wobei eine Fadenspannung des Schleppschussfadens einstellbar ist.The second edge region without Schleppschussfaden can be produced in a conventional manner, wherein a yarn tension of the drag weft yarn is adjustable.

Somit ist es auf einfache und kostengĂŒnstige Weise möglich, ein technisches Schmalgewebe mit weichen Randbereichen und einem relativ dazu steiferen Mittelbereich herzustellen. Der Schleppschussfaden kann dabei von beiden RĂ€ndern des herzustellenden technischen Schmalgewebes mehr als einen halben Millimeter zur Bandmitte hin abgedeckt sein. Die Positionierung des Schleppschussbeginns bedarf keiner zusĂ€tzlichen Steuerung, Webbindungen oder KettfĂ€den bzw. HilfsfĂ€den an den Bandkanten.Thus, it is possible in a simple and cost-effective manner to produce a technical narrow fabric with soft edge regions and a relatively stiffer middle region. The towing weft yarn can be covered from both edges of the technical narrow fabric to be produced more than half a millimeter towards the center of the tape. The positioning of the drag start does not require any additional control, weaves or warp threads or auxiliary threads at the strip edges.

In weiterer AusfĂŒhrung werden beim Weben Multifil-FĂ€den als KettfĂ€den und als Hauptschussfaden verwendet, wobei ein Monofil-Faden als Schleppschussfaden verwendet wird.In a further embodiment, multifilament yarns are used as warp yarns and as main weft yarns in weaving, whereby a monofilament yarn is used as a towed weft yarn.

Alternativ können auch beim Weben Multifil-FÀden als KettfÀden und als Hauptschussfaden verwendet werden, wobei ein Monofil-Faden und/oder ein Multifil-Faden als Schleppschussfaden verwendet wird.Alternatively, multifilament yarns can also be used as warp yarns and as main weft yarn in weaving, with a monofilament yarn and / or a multifilament yarn being used as the towed weft yarn.

Der zumindest eine Schleppschussfaden kann einen Monofil-Faden oder mehrere Monofil-FĂ€den mit gleichen oder unterschiedlichen Garnfeinheiten aufweisen.The at least one towed weft thread can have a monofilament thread or a plurality of monofilament threads with the same or different yarn counts.

Es ist vorgesehen, dass der zumindest eine Schleppschussfaden zumindest einen zusĂ€tzlichen Funktionsfaden mit elektrischer LeitfĂ€higkeit aufweist. Damit wird eine einfache Gebereinrichtung fĂŒr bestimmte Sicherheits- und oder Kommunikationsaufgaben geschaffen. Der elektrisch leitfĂ€hige Funktionsfaden kann auch zur Ableitung von statischer ElektrizitĂ€t dienen.It is envisaged that the at least one towing weft thread has at least one additional functional thread with electrical conductivity. This creates a simple encoder device for certain security and or communication tasks. The electrically conductive functional thread can also serve to dissipate static electricity.

Ein Gurtband ist mittels des oben beschrieben Verfahrens hergestellt.A webbing is made by the method described above.

Eine Vorrichtung dient zur DurchfĂŒhrung des obigen Verfahrens.An apparatus is used to carry out the above method.

Die Erfindung wird im Folgenden anhand von AusfĂŒhrungsbeispielen unter Bezugnahme auf die beiliegenden Figuren der Zeichnung nĂ€her erlĂ€utert.The invention is explained in more detail below on the basis of exemplary embodiments with reference to the accompanying figures of the drawing.

In den Figuren zeigen:

Fig. 1
eine schematische Darstellung eines technischen Schmalgewebes in Anwendung als Gurtband als Sicherheitsgurt;
Fig. 2
eine schematische Draufsicht eines Gurtbandabschnitts;
Fig. 3
eine schematische Ansicht eines AusfĂŒhrungsbeispiels einer erfindungsgemĂ€ĂŸen Vorrichtung zur Herstellung eines technischen Schmalgewebes mittels eines erfindungsgemĂ€ĂŸen Verfahrens;
Fig. 4
eine schematische Darstellung der erfindungsgemĂ€ĂŸen Vorrichtung nach Fig. 3 in Kombination mit einer Webmaschine; und
Fig. 5
eine schematische Draufsicht auf einen Abschnitt eines Gewebeaufbaus eines Gurtbandes hergestellt nach dem erfindungsgemĂ€ĂŸen Verfahren.
In the figures show:
Fig. 1
a schematic representation of a technical narrow fabric in use as a webbing as a safety belt;
Fig. 2
a schematic plan view of a webbing section;
Fig. 3
a schematic view of an embodiment of an apparatus according to the invention for producing a technical narrow fabric by means of a method according to the invention;
Fig. 4
a schematic representation of the device according to the invention Fig. 3 in combination with a loom; and
Fig. 5
a schematic plan view of a portion of a fabric construction of a webbing produced by the method according to the invention.

In den Figuren bezeichnen dieselben Bezugszeichen gleiche oder funktionsgleiche Komponenten, soweit nichts Gegenteiliges angegeben ist. Ein Koordinatensystem dient zur besseren Orientierung.In the figures, the same reference numerals designate the same or functionally identical components, unless indicated otherwise. A coordinate system is used for better orientation.

Die Beschreibungen der Figuren 1 und 2 erfolgten bereits weiter oben und werden hier nicht wiederholt.The descriptions of the FIGS. 1 and 2 have already been done above and will not be repeated here.

Figur 3 zeigt eine schematische Ansicht eines AusfĂŒhrungsbeispiels einer erfindungsgemĂ€ĂŸen Vorrichtung 10 zur Herstellung eines technischen Schmalgewebes 1 mittels eines erfindungsgemĂ€ĂŸen Verfahrens. In diesem Beispiel ist das technische Schmalgewebe ein Gurtband mit einer Querrichtung, die in x-Richtung des Koordinatensystems (siehe auch Fig. 2) verlĂ€uft, und einer LĂ€ngsrichtung, die in y-Richtung verlĂ€uft. FIG. 3 shows a schematic view of an embodiment of an inventive device 10 for producing a technical Narrow tissue 1 by means of a method according to the invention. In this example, the technical narrow fabric is a webbing with a transverse direction in the x-direction of the coordinate system (see also Fig. 2 ), and a longitudinal direction that extends in the y-direction.

Im oberen Bereich der Fig. 3 befinden sich zwei auseinander gezogenen Lagen von KettfÀden 20, welche ein Vorderfach 32 bilden (siehe auch Fig. 4). Es sind nur jeweils sieben KettfÀden 20 angedeutet, es können wesentlich mehr oder auch weniger sein.In the upper area of the Fig. 3 There are two spaced layers of warp threads 20, which form a front compartment 32 (see also Fig. 4 ). There are only seven warps 20 indicated, it can be much more or less.

Das technische Schmalgewebe 1 wird in Bewegungsrichtung in y-Richtung nach unten bewegt und ist in AusfĂŒhrung als Gurtband im unteren Bereich der Fig. 3 fertig gewoben. Dabei weist es einen ersten (linken) Randbereich 2 (Koordinaten x0 bis x1), einen Mittelbereich 4 (Koordinaten x1 bis x2) und einen zweiten (rechten) Randbereich 3 (Koordinaten x2 bis x3) auf.The technical narrow fabric 1 is moved in the direction of movement in the y direction down and is in execution as webbing in the lower part of Fig. 3 ready woven. In this case, it has a first (left) edge region 2 (coordinates x 0 to x 1 ), a central region 4 (coordinates x 1 to x 2 ) and a second (right) edge region 3 (coordinates x 2 to x 3 ).

Die Vorrichtung 10 weist Folgendes auf: zumindest eine Schussnadel 11 zur FĂŒhrung und Eintragung von SchussfĂ€den 21, 22; zumindest eine Wirknadel 18, welche der zumindest einen Schussnadel 11 gegenĂŒber liegend angeordnet ist; und zumindest eine FadenfĂŒhrung 19 zur FĂŒhrung zumindest eines Schleppschussfadens 22.The device 10 comprises: at least one weft needle 11 for guiding and registering weft threads 21, 22; at least one knitting needle 18 which is disposed opposite to the at least one weft needle 11; and at least one thread guide 19 for guiding at least one tow weft 22.

In diesem AusfĂŒhrungsbeispiel besteht die Schussnadel 11 aus einer oberen Schussnadel 12 und eine unteren Schussnadel 13, welche vorzugsweise ĂŒbereinander parallel angeordnet und miteinander gleichzeitig verschwenkbar sind. Andere Stellungen sind natĂŒrlich möglich. Die Schussnadel 11 ist um eine feststehende Schwenkachse auf der linken Seite (nicht gezeigt) in das Vorderfach 32 zur Eintragung von SchussfĂ€den 21, 22 einschwenkbar und aus ihm heraus schwenkbar. Die Schussnadel 11 ist in ihrer eingeschwenkten Endposition dargestellt. Die obere Schussnadel 12 weist ein oberes Schussnadelende 14 mit einem oberen FĂŒhrungsabschnitt 16 auf. Entsprechend weist die untere Schussnadel 13 ein unteres Schussnadelende 15 und einen unteren FĂŒhrungsabschnitt 17 auf. Beide Schussnadelenden 14,15 sind nach unten in y-Richtung abgebogen. Sie sind jeweils (in der gezeigten Stellung) ĂŒber im Wesentlichen parallel zur x-Achse verlaufende Mittelabschnitte mit wieder nach unten gebogenen Endabschnitten verbunden, deren Enden verschwenkbar an einem (nicht gezeigten) Maschinenkörper angebracht sind. Bei beiden Schussnadel 14, 15 sind die FĂŒhrungsabschnitte 16, 17 als Ösen ausgebildet. Andere Formen, wie zum Beispiel Haken, sind möglich. Auch in den Mittelabschnitten der Schussnadeln 14, 15 sind FĂŒhrungsabschnitte in Form von Ösen angebracht, die zu unterschiedlicher FadenfĂŒhrung dienen können.In this embodiment, the weft needle 11 consists of an upper weft needle 12 and a lower weft needle 13, which are preferably arranged one above the other in parallel and pivotable with each other at the same time. Other positions are of course possible. The weft needle 11 is pivotable about a fixed pivot axis on the left side (not shown) in the front compartment 32 for entry of weft threads 21, 22 and pivotable out of it. The weft needle 11 is shown in its pivoted end position. The upper weft needle 12 has an upper weft needle end 14 with an upper guide portion 16. Accordingly, the lower weft needle 13 has a lower weft needle end 15 and a lower guide portion 17. Both weft needle ends 14,15 are bent downwards in the y direction. They are each (in the position shown) over substantially parallel to the x-axis extending central portions with back down bent end portions whose ends are pivotally mounted on a (not shown) machine body. In both weft needle 14, 15, the guide portions 16, 17 are formed as eyelets. Other shapes, such as hooks, are possible. Also in the central portions of the weft needles 14, 15 guide portions are attached in the form of eyelets, which can serve to different thread guide.

In diesem bevorzugten Beispiel verlĂ€uft ein Hauptschussfaden 21 zunĂ€chst durch den oberen FĂŒhrungsabschnitt 16 der oberen Schussnadel 14 in den unteren FĂŒhrungsabschnitt 17 der unteren Schussnadel 15 und von dort als ein Hauptschussabschnitt 24 durch das Vorderfach zu einem linken Rand des technischen Schmalgewebes 1. Der weitere Verlauf wird weiter unten im Zusammenhang mit Fig. 5 beschrieben.In this preferred example, a main weft yarn 21 passes first through the upper guide section 16 of the upper weft needle 14 into the lower guide section 17 of the lower weft needle 15 and from there as a main weft section 24 through the front compartment to a left edge of the technical narrow fabric 1. The further course becomes related below Fig. 5 described.

Zwischen dem oberen FĂŒhrungsabschnitt 16 und dem unteren FĂŒhrungsabschnitt 17 bildet der Hauptschussfaden 21 einen BrĂŒckenabschnitt 23, um welchen ein Schleppschussfaden 22, der durch eine FadenfĂŒhrung 19 im hinteren Bereich des Vorderfachs 32 (siehe auch Fig. 4) gefĂŒhrt ist, herum lĂ€uft.Between the upper guide section 16 and the lower guide section 17, the main weft thread 21 forms a bridge section 23 around which a tow weft 22, which is guided by a thread guide 19 in the rear area of the front compartment 32 (see also FIG Fig. 4 ) is run around.

Somit werden beim Einschwenken der Schussnadel 11 im Uhrzeigersinn in das Vorderfach 32 hinein zwei SchussfĂ€den, nĂ€mlich der Hauptschussfaden 21 und der Schleppschussfaden 22 eingetragen. Diese werden dann in der gezeigten eingeschwenkten Position an der rechten Seite mit einer Wirknadel 18 auf der rechten Seite zu dem zweiten Randbereich 3 derart verarbeitet, dass beim ZurĂŒckschwenken der Schussnadel 11 gegen den Uhrzeigersinn der Hauptschussfaden 21 in der Position x3 und der Schleppschussfaden 22 in der Position x2 gehalten und weiter als zwei SchussfĂ€den in entgegen gesetzter x-Richtung in das Vorderfach 32 eingetragen werden. Wenn die Schussnadel 11 aus dem Vorderfach 32 ausgeschwenkt ist, wird ein neues Vorderfach durch BetĂ€tigung der SchĂ€fte 34 (entsprechend Fig. 4) gebildet.Thus, when the weft needle 11 is pivoted clockwise into the front compartment 32, two weft threads, namely the main weft thread 21 and the towing weft thread 22 are inserted. These are then processed in the pivoted position shown on the right side with a knitting needle 18 on the right side to the second edge region 3 such that when pivoting back the weft needle 11 in the counterclockwise direction of the main weft 21 in the position x 3 and the towing weft 22 in held the position x 2 and continue to be entered as two weft threads in the opposite direction x in the front compartment 32. When the weft needle 11 is swung out of the front compartment 32, a new front compartment is opened by operating the shafts 34 (corresponding to FIG Fig. 4 ) educated.

Im Gegensatz zu dem Hauptschussfaden 21, der ĂŒber die gesamte Breite des technischen Schmalgewebes 1 von x0 bis x3 in das Vorderfach 32 als Hauptschussabschnitt 24 eingetragen wird, verlĂ€uft der Schleppschussfaden 22 als Schleppschussabschnitt 25 von einem Schleppschussbeginn 28 (Koordinate x1) zu einem Schleppschussende 29 (Koordinate x2) und in der Figur wieder nach links zurĂŒck als Schleppschuss-RĂŒcklaufabschnitt 26 bis zu einem neuen Schleppschussbeginn 28 (wie auch aus Fig. 5 ersichtlich ist). Hierdurch wird der Mittelbereich 4 geschaffen, welcher durch Eintragung von Hauptschussabschitt 24 des Hauptschussfadens 21 und von Schleppschussabschnitt 25 und Schleppschuss-RĂŒcklaufabschnitt 26 des Schleppschussfadens 22 sowie Hauptschuss-RĂŒcklaufabschnitt 27 (Fig. 5) eine grĂ¶ĂŸere Quersteifigkeit des technischen Schmalgewebes 1 aufweist, als die Randbereiche 2 und 3 ohne Schleppschussfaden 22.In contrast to the main weft thread 21, which is entered over the entire width of the technical narrow fabric 1 from x 0 to x 3 in the front compartment 32 as the main weft section 24, the towing weft thread runs 22 as Schleppschussabschnitt 25 of a Schleppschussbeginn 28 (coordinate x 1 ) to a Schleppschussende 29 (coordinate x 2 ) and in the figure back to the left back as Schleppschuss return section 26 to a new Schleppschussbeginn 28 (as well as Fig. 5 it can be seen). As a result, the central region 4 is created, which by entry of Hauptschussabschitt 24 of the main weft yarn 21 and the drag shot portion 25 and drag-return portion 26 of the towing weft yarn 22 and main weft return section 27 (FIG. Fig. 5 ) has a greater transverse rigidity of the technical narrow fabric 1, as the edge regions 2 and 3 without Schleppschussfaden 22nd

Die auf der rechten Seite, dem Anbringungsort der Schussnadel 11 gegenĂŒberliegend, angeordnete Wirknadel 18 dient zur Befestigung und Erstellung einer rechten Kante des technischen Schmalgewebes 1, zum Beispiel durch VerhĂ€keln, was nicht weiter erlĂ€utert wird. Durch Fadenspannung und weitere Parameter wird die Position des Schleppschussendes 29 bestimmt, was hier ebenfalls nicht beschrieben wird. Die Position des Schleppschussbeginns 28 mit der Koordinate x1 ist durch die Position der FadenfĂŒhrung 19 vorher (d.h. vor einem Fertigungsvorgang des technischen Schmalgewebes 1) gemĂ€ĂŸ gewĂŒnschtem Produkt beliebig in x-Richtung festlegbar.The on the right side, the location of the weft needle 11 opposite, arranged knitting needle 18 is used for attachment and creation of a right edge of the technical narrow fabric 1, for example by crocheting, which will not be further explained. By thread tension and other parameters, the position of the Schleppschussendes 29 is determined, which is also not described here. The position of Schleppschussbeginns 28 with the coordinate x 1 by the position of the yarn guide 19 before (ie before a manufacturing process of the technical narrow fabric 1) according to the desired product as desired in x-direction fixed.

Als Beispiel fĂŒr eine Alternative sind dazu im untersten Abschnitt des Gurtbands zwei breitere Randbereiche mit den Koordinaten x0 bis x1' und x2' bis x3 dargestellt. Ein hierzu gehöriger Schleppschussbeginn 28' ist an der Koordinate x1' positioniert. Ein Schleppschussabschnitt 25' beginnt an dieser Position der Koordinate x1', verlĂ€uft in x-Richtung bis zu einem Schleppschussende 29' und wieder zurĂŒck als ein Schleppschuss-RĂŒcklaufabschnitt 26', wobei der Hauptschussfaden 21 wie oben beschrieben ĂŒber die gesamte Breite (x0 bis x3) des technischen Schmalgewebes 1 eingetragen wird (wie aus Fig. 5 ersichtlich ist).As an example of an alternative, two broader edge regions with the coordinates x 0 to x 1 'and x 2 ' to x 3 are shown in the lowermost portion of the webbing. An associated Schleppschussbeginn 28 'is positioned at the coordinate x 1 '. A drag shot portion 25 'begins at coordinate position x 1 ', travels in the x direction to a towing tail 29 'and back as a drag return portion 26', the main weft yarn 21 being extended across the entire width (x 0 to x3) of the technical narrow fabric 1 is registered (as in Fig. 5 it can be seen).

In Fig. 4 ist eine schematische Darstellung der erfindungsgemĂ€ĂŸen Vorrichtung 10 nach Fig. 3 in Kombination mit einer Webmaschine gezeigt, wobei nur einige Funktionseinheiten der Webmaschine schematisch dargestellt sind.In Fig. 4 is a schematic representation of the device 10 according to the invention Fig. 3 shown in combination with a loom, with only a few functional units of the loom are shown schematically.

Die KettfĂ€den 20 verlaufen in der Fig. 4 in y-Richtung von links nach rechts, wobei sie in SchĂ€ften 34 gefĂŒhrt sind. Mittels der SchĂ€fte 34 werden die KettfĂ€den 20 in FĂ€den mit Ketthebung 36 und Kettsenkung 37 verstellt, um ein Hinterfach 31 und ein Vorderfach 32 zu bilden. Die KettfĂ€den 20 verlaufen dann weiter in y-Richtung durch ein Webblatt 35 und bilden schließlich das technische Schmalgewebe 1.The warp threads 20 run in the Fig. 4 in y-direction from left to right, where they are guided in shafts 34. By means of the shanks 34, the warp threads 20 are adjusted in threads with Ketthebung 36 and Kettsenkung 37 to form a rear compartment 31 and a front compartment 32. The warp threads 20 then continue in the y direction through a reed 35 and finally form the technical narrow fabric. 1

GemĂ€ĂŸ Fig. 3 ist Schussnadel 11 am Vorderfach 32 angeordnet, von welcher die obere Schussnadel 12 und die untere Schussnadel 13 angedeutet sind. Durch die Schussnadeln 12 und 13 verlĂ€uft der Schleppschussfaden 22, welcher in y-Richtung von hinten durch die SchĂ€fte 34 verlĂ€uft und hier von der FadenfĂŒhrung 19 gefĂŒhrt wird. Die FadenfĂŒhrung 19 ist in diesem Beispiel im Vorderfach 32 in y-Richtung nahe hinter den SchĂ€ften 34 angeordnet.According to Fig. 3 Weft needle 11 is arranged on the front compartment 32, of which the upper weft needle 12 and the lower weft needle 13 are indicated. Through the weft needles 12 and 13 of the towing weft thread 22, which runs in the y-direction from the rear through the shafts 34 and here is guided by the thread guide 19. The thread guide 19 is arranged in this example in the front compartment 32 in the y direction close behind the shanks 34.

Das fertige technische Schmalgewebe 1 ist in Fig. 5 in einer schematischen Draufsicht auf einen Abschnitt eines Gewebeaufbaus eines Gurtbandes vergrĂ¶ĂŸert illustriert.The finished technical narrow fabric 1 is in Fig. 5 illustrated enlarged in a schematic plan view of a portion of a fabric construction of a webbing.

Der Abschnitt ist oben und unten in y-Richtung abgeschnitten. Es ist nur die linke Seite (Fig. 3) mit dem ersten Randbereich 2 (Koordinate x0 bis x1) und einem Teilabschnitt des Mittelbereichs 4 (ab Koordinate x1) dargestellt. Der Hauptschussfaden 21 ist zur besseren Übersicht mit jeweils zwei Innenlinien gezeichnet.The section is cut off at the top and bottom in the y direction. It's just the left side ( Fig. 3 ) with the first edge region 2 (coordinate x 0 to x 1 ) and a subsection of the middle region 4 (from the coordinate x 1 ). The main weft 21 is drawn for clarity with two inner lines.

Im ersten Randabschnitt 2 sind in diesem bevorzugten Beispiel drei KettfĂ€den 20 angeordnet. Diese KettfĂ€den 20 und auch diejenigen des Mittelabschnitts 4 bilden Ketthebungen 36 und Kettsenkungen 37 mit jeweiligen FĂ€chern, in denen SchussfĂ€den in einer Facheintragung 33 eingetragen sind. Im Mittelabschnitt 4 sind vier SchussfĂ€den eingetragen, nĂ€mlich der Hauptschussfaden 21 mit dem von links nach rechts laufenden Hauptschussabschnitt 24 und dem von rechts nach links verlaufenden Hauptschuss-RĂŒcklaufabschnitt 27, sowie der Schleppschussfaden 22 mit dem von links nach rechts verlaufenden Schleppschussabschnitt 25 und dem von rechts nach links verlaufenden Schleppschuss-RĂŒcklaufabschnitt 26.In the first edge section 2, three warp threads 20 are arranged in this preferred example. These warp threads 20 and also those of the central portion 4 form Ketthebungen 36 and Kettsenkungen 37 with respective subjects in which weft threads are registered in a professional entry 33. In the middle section 4, four weft threads are entered, namely the main weft thread 21 with the main weft section 24 running from left to right and the main weft return section 27 running from right to left, and the weft weft 22 with the towing shot section 25 running from left to right and that from the right to the left dragline return section 26.

An der linken Kante (Koordinate x0) des Randbereichs 2 wird gemĂ€ĂŸ Fig. 3 der Hauptschussfaden 21 von der Schussnadel 11 nach rechts bewegt und umschlingt den ersten Kettfaden 20. Sein BrĂŒckenabschnitt 23 kommt an der Position der Koordinate x1 mit dem dort von der FadenfĂŒhrung 19 gehaltenen Schleppschussfaden 22 in Kontakt und fĂŒhrt diesen in einer Umschlingung als Schleppschussbeginn 28 in der Facheintragung 33 weiter zusammen mit dem Hauptschussfaden 21 nach rechts durch das Fach zum rechten Rand, wie oben nĂ€her erlĂ€utert ist. Beim ZurĂŒckschwenken der Schussnadel 11 werden der Hauptschussfaden 21 mit dem BrĂŒckenabschnitt 23 und dem noch darauf anliegenden Schleppschussfaden 22 nach links bewegt. An der Position der Koordinate x1 wird der Schleppschussfaden 22 in dieser Position aufgrund der vorher hier positionierten FadenfĂŒhrung 19 gehalten und löst sich von dem BrĂŒckenabschnitt 23. Die Schussnadel 11 schwenkt weiter in Ausgangsstellung, wobei nur der Hauptschussfaden 21 aus dem Fach herausgefĂŒhrt wird und nach neuer Fachbildung wieder durch die Schussnadel 11 in das Fach eingetragen wird, wie oben beschrieben ist.At the left edge (coordinate x 0 ) of the edge area 2 is determined according to Fig. 3 The main weft yarn 21 moves from the weft needle 11 to the right and wraps around the first warp yarn 20. Its bridge section 23 comes into contact with the weft yarn 22 held there by the yarn guide 19 at the position of the coordinate x 1 and guides it in a wraparound loop as the start of the weft yarn 28 the compartment entry 33 further along with the main weft 21 to the right through the compartment to the right edge, as explained in more detail above. When swinging back the weft needle 11 of the main weft yarn 21 are moved to the bridge section 23 and the still attached thereto 35 sling weft yarn to the left. At the position of the coordinate x1, the towing weft thread 22 is held in this position due to the thread guide 19 previously positioned here and releases from the bridge section 23. The weft needle 11 continues to pivot to its original position, with only the main weft thread 21 being led out of the pocket and then again Tray formation is again entered through the weft needle 11 in the tray, as described above.

Der Hauptschussfaden 21 ist hier als Multifil-Faden, und der Schleppschussfaden 22 ist hier als Monofil-Faden ausgebildet.The main weft 21 is here as a multifilament yarn, and the tow weft 22 is formed here as a monofilament thread.

An Stelle des monofilen Schleppschussfadens 22 können je nach funktionellem Bedarf mehrere bzw. zusÀtzliche SchussfÀden, zum Beispiel mit unterschiedlichen Garnfeinheiten und/oder Farben) eingetragen werden. Sie können auch unterschiedlichen Eigenschaften und Funktionen aufweisen.Instead of the monofilament dragline weft 22, depending on the functional requirement, several or additional weft threads, for example with different yarn counts and / or colors, can be entered. They can also have different properties and functions.

Obwohl die vorliegende Erfindung anhand bevorzugter AusfĂŒhrungsbeispiele vorliegend beschrieben wurde, ist sie darauf nicht beschrĂ€nkt, sondern auf vielfĂ€ltige Weise kombinierbar und modifizierbar.Although the present invention has been described herein with reference to preferred embodiments, it is not limited thereto, but combinable and modifiable in a variety of ways.

Es ist zum Beispiel möglich, dass ein zusĂ€tzlicher Schussfaden (Hauptschussfaden 21 und/oder Schleppschussfaden 22) fĂŒr bestimmte Sicherheits- und/oder Kommunikationssysteme/aufgaben mit einer elektrischen LeitfĂ€higkeit eingesetzt wird (zum Beispiel Draht oder leitfĂ€hige Fasern). Damit ist es auch möglich, statische ElektrizitĂ€t des technischen Schmalgewebes 1 an Masse bzw. Erde abzuleiten.For example, it is possible for an additional weft (main weft 21 and / or tow weft 22) to be used for certain security and / or communication systems / tasks having electrical conductivity (for example, wire or conductive fibers). Thus, it is also possible to derive static electricity of the technical narrow fabric 1 to ground or earth.

Claims (10)

  1. Method for producing technical narrow fabric (1), in particular for safety belts and technical belts, comprising the method step of weaving a fabric (38) from warp threads (20) and weft threads (21, 22), wherein the weft threads (21, 22) are incorporated by means of at least one weft needle (11),
    characterised in that
    at least one main weft thread (21) is guided by the weft needle (11) to form a bridge portion (23), wherein the bridge portion (23) guides at least one trailing weft thread (22).
  2. Method as claimed in claim 1,
    characterised in that
    the bridge portion (23) is formed between an upper weft needle (12) and a lower weft needle (13).
  3. Method as claimed in claim 1 or 2,
    characterised in that
    the at least one trailing weft thread (22) is incorporated in a trailing weft portion (25) having a previously determinable length which is equal to, or smaller than, a width of the narrow fabric (1), wherein the at least one main weft thread (21) is incorporated in a main weft portion (24), the length of which is equal to the width of the narrow fabric (1).
  4. Method as claimed in claim 3,
    characterised in that
    the at least one trailing weft thread (22) is received by, and incorporated at, the bridge portion (23) of the at least one main weft thread (22) at a beginning (28, 28') of a trailing weft at a previously determinable position in the width of the narrow fabric (1).
  5. Method as claimed in claim 4,
    characterised in that
    the beginning (28, 28') of the trailing weft is determined by the previously determinable position of a thread guide (19).
  6. Method as claimed in at least one of the preceding claims,
    characterised in that
    during weaving, multi-filament threads are used as the warp threads (20) and as the main weft thread (21), a monofilament thread being used as the trailing weft thread (22).
  7. Method as claimed in at least one of claims 1 to 5,
    characterised in that
    during weaving, multi-filament threads are used as the warp threads (20) and as the main weft thread (21), a monofilament thread and/or a multi-filament thread being used as the trailing weft thread (22).
  8. Device (10) for a weaving machine for producing technical narrow fabric (1) such as a belt band, particularly for safety belts and technical belts, from warp threads (20) and weft threads (21, 22), having:
    - at least one weft needle (11) for guiding and incorporating the weft threads (21, 22);
    - at least one working needle (18) which is arranged opposite the at least one weft needle (11); and
    - at least one thread guide (19) for guiding at least one trailing weft thread (22);
    characterised in that
    the at least one weft needle (11) is designed to guide at least one main weft thread (21) and to form a bridge portion (23) of the at least one main weft thread (21) with at least two guide portions (16, 17).
  9. Device (10) as claimed in claim 8,
    characterised in that
    the at least one weft needle (11) has at least one upper weft needle (12) and at least one lower weft needle (13).
  10. Device (10) as claimed in claim 8 or 9,
    characterised in that
    the at least one thread guide (19) is arranged at a previously determinable position in the width of the narrow fabric (1) to be produced.
EP20100161939 2009-05-06 2010-05-05 Method for producing technical narrow woven fabrics and corresponding device Active EP2248933B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009002869A DE102009002869A1 (en) 2009-05-06 2009-05-06 Method for producing technical narrow fabric, a corresponding webbing and a corresponding device

Publications (3)

Publication Number Publication Date
EP2248933A2 EP2248933A2 (en) 2010-11-10
EP2248933A3 EP2248933A3 (en) 2013-02-13
EP2248933B1 true EP2248933B1 (en) 2014-12-31

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EP20100161939 Active EP2248933B1 (en) 2009-05-06 2010-05-05 Method for producing technical narrow woven fabrics and corresponding device

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DE (1) DE102009002869A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011084336B4 (en) 2011-10-12 2013-12-05 Carl Stahl Gmbh & Co. Kg Webbing and method of making a webbing
DE102013210274B4 (en) 2013-06-03 2014-12-18 Berger Gmbh & Co. Holding Kg Fine-thread safety belt webbing and method for producing such a seat belt webbing
CN104947292B (en) * 2015-06-02 2017-07-18 明新ćŒčæ€§ç»‡ç‰©ïŒˆäž­ć›œïŒ‰æœ‰é™ć…Źćž The four fork ribbons and its weaving method and loom of a kind of integrated woven shaping

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT15702B (en) 1903-06-11 1904-03-26 Wanda Hoppe Geographic teaching aid.
NL134709C (en) * 1966-12-16
CH532669A (en) * 1971-11-15 1973-01-15 Schueller & Sohn W Coloured ornamental bands - woven on shuttle jacquard weaving looms
FR2450300A1 (en) * 1979-02-28 1980-09-26 Elastelle Tissel Procedes PROCESS FOR MANUFACTURING A WOVEN BELT WITH OBTAINING NEW YARN EFFECTS, BY CROSS-MOVING AND HANGING THE CHAIN THREADS ON OR IN THE MESH EDGE OF AN ELASTIC OR RIGID WOVEN BELT, THE PRODUCTS OBTAINED AND THE MEANS OF FITTING WORK OF THE PROCESS
CH639710A5 (en) * 1979-11-08 1983-11-30 Textilma Ag METHOD FOR PRODUCING A FABRIC, WEAVING MACHINE FOR IMPLEMENTING THE METHOD AND FABRIC MADE BY THE METHOD.
ES490678A0 (en) * 1980-03-28 1981-09-01 Murtra Ind PROCEDURE FOR THE FORMATION OF A DOUBLE FABRIC IN NEEDLE LOOMS FOR CINTERY
DE3320925C2 (en) * 1983-03-16 1985-04-11 Textilma Ag, Hergiswil Ribbon loom
GB8324889D0 (en) * 1983-09-16 1983-10-19 Bonas Machine Co Weft yarn insertion needle
DE3345508A1 (en) * 1983-12-16 1985-06-27 Ieperband N.V., Ieper STRAP WITH FLEXIBLE SHOT MATERIAL
DE4009455A1 (en) * 1990-03-23 1991-09-26 Berger Johann METHOD FOR WEAVING A TAPE
DE9421227U1 (en) * 1994-03-23 1995-08-10 Carl Stahl GmbH & Co KG, Gurt- und Bandweberei, 89542 Herbrechtingen Webbing
AT6080U1 (en) 2002-03-07 2003-04-25 Avl List Gmbh METHOD FOR DESIGNING AN ENERGY MANAGEMENT FOR A HYBRID VEHICLE

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Publication number Publication date
EP2248933A3 (en) 2013-02-13
DE102009002869A1 (en) 2010-11-18
EP2248933A2 (en) 2010-11-10

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