EP2248933B1 - Procédé de fabrication des rubans étroites techniques et un dispositif correspondant - Google Patents

Procédé de fabrication des rubans étroites techniques et un dispositif correspondant 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
Authority
EP
European Patent Office
Prior art keywords
weft
thread
needle
main
threads
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.)
Active
Application number
EP20100161939
Other languages
German (de)
English (en)
Other versions
EP2248933A2 (fr
EP2248933A3 (fr
Inventor
Constantin Georgi
Wolfgang Frank
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.)
MBG Techbelt Innovation GmbH
Original Assignee
MBG Techbelt Innovation GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MBG Techbelt Innovation GmbH filed Critical MBG Techbelt Innovation GmbH
Publication of EP2248933A2 publication Critical patent/EP2248933A2/fr
Publication of EP2248933A3 publication Critical patent/EP2248933A3/fr
Application granted granted Critical
Publication of EP2248933B1 publication Critical patent/EP2248933B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/02Looms 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
    • D03D47/06Looms 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
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00Woven fabrics designed to make specified articles
    • D03D1/0005Woven fabrics for safety belts
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00Woven fabrics designed to make specified articles
    • D03D1/0094Belts
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven 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
    • D03D13/004Woven 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
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/02Looms 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
    • D03D47/10Looms 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 Schleppschussabêt 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 Schleppschussabêt 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)

Claims (10)

  1. Procédé de fabrication de tissu technique (1) étroit, en particulier pour des ceintures de sécurité et des ceintures techniques, comportant l'étape de procédé de tissage d'un tissu (38) à partir de fils de chaîne (20) et de fils de trame (21, 22), les fils de trame (21, 22) étant insérés au moyen d'au moins une aiguille de trame (11),
    caractérisé par le fait que
    au moins un fil de trame principal (21) est guidé par l'aiguille de trame (11) pour former une section de liaison (23), la section de liaison (23) guidant au moins un fil de trame de traîne (22).
  2. Procédé selon la revendication 1,
    caractérisé par le fait que
    la section de liaison (23) est formée entre une aiguille de trame supérieure (12) et une aiguille de trame inférieure (13).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé par le fait que
    l'au moins un fil de trame de traîne (22) est inséré dans une section de trame de traîne (25) avec une longueur pouvant être déterminée au préalable, qui est égale à une largeur du tissu étroit (1) ou inférieure à celle-ci, l'au moins un fil de trame principal (21) étant inséré dans une section de trame principale (24), dont la longueur est égale à la largeur du tissu étroit (1).
  4. Procédé selon la revendication 3,
    caractérisé par le fait que
    l'au moins un fil de trame de traîne (22) est saisi et inséré au niveau d'un début de trame de traîne (28, 28') dans une position pouvant être déterminée au préalable de la largeur du tissu étroit (1) par la section de liaison (23) de l'au moins un fil de trame principal (22).
  5. Procédé selon la revendication 4,
    caractérisé par le fait que
    le début de trame de traîne (28, 28') est déterminé par la position pouvant être déterminée au préalable d'un guidage de fil (19).
  6. Procédé selon au moins l'une des revendications précédentes,
    caractérisé par le fait que
    lors du tissage des fils multi-filaments sont utilisés en tant que fils de chaîne (20) et fil de trame principal (21), un fil mono-filament étant utilisé en tant que fil de trame de traîne (22).
  7. Procédé selon au moins l'une des revendications 1 à 5,
    caractérisé par le fait que
    lors du tissage des fils multi-filaments sont utilisés en tant que fils de chaîne (20) et fil de trame principal (21), un fil mono-filament et/ou un fil multi-filaments étant utilisé en tant que fil de trame de traîne (22).
  8. Dispositif (10) pour un métier à tisser pour la fabrication de tissu étroit (1) technique comme une sangle, en particulier pour des ceintures de sécurité et des sangles techniques, à partir de fils de chaîne (20) et de fils de trame (21, 22), comportant :
    - au moins une aiguille de trame (11) pour guider et insérer les fils de trame (21, 22) ;
    - au moins une aiguille à tricoter (18), qui est disposée en regard de l'au moins une aiguille de trame (11) ; et
    - au moins un guidage de fil (19) pour guider au moins un fil de trame de traîne (22) ;
    caractérisé par le fait que
    l'au moins une aiguille de trame (11) est réalisée pour le guidage d'au moins un fil de trame principal (21) et la formation d'une section de liaison (23) de l'au moins un fil de trame principal (21) avec au moins deux sections de guidage (16, 17).
  9. Dispositif (10) selon la revendication 8,
    caractérisé par le fait que
    l'au moins une aiguille de trame (11) présente au moins une aiguille de trame supérieure (12) et au moins une aiguille de trame inférieure (13).
  10. Dispositif (10) selon la revendication 8 ou 9,
    caractérisé par le fait que
    l'au moins un guidage de fil (19) est disposé dans une position pouvant être déterminée au préalable de la largeur du tissu étroit (1) devant être fabriqué.
EP20100161939 2009-05-06 2010-05-05 Procédé de fabrication des rubans étroites techniques et un dispositif correspondant Active EP2248933B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009002869A DE102009002869A1 (de) 2009-05-06 2009-05-06 Verfahren zum Herstellen von technischem Schmalgewebe, ein entsprechendes Gurtband und eine entsprechende Vorrichtung

Publications (3)

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

Family

ID=42635443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100161939 Active EP2248933B1 (fr) 2009-05-06 2010-05-05 Procédé de fabrication des rubans étroites techniques et un dispositif correspondant

Country Status (2)

Country Link
EP (1) EP2248933B1 (fr)
DE (1) DE102009002869A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011084336B4 (de) 2011-10-12 2013-12-05 Carl Stahl Gmbh & Co. Kg Gurtband und Verfahren zur Herstellung eines Gurtbands
DE102013210274B4 (de) 2013-06-03 2014-12-18 Berger Gmbh & Co. Holding Kg Feinfädiges Sicherheitsgurtband und Verfahren zur Herstellung eines solchen Sicherheitsgurtbands
CN104947292B (zh) * 2015-06-02 2017-07-18 明新弹性织物(中国)有限公司 一种一体编织成型的四叉织带及其编织方法和织机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT15702B (de) 1903-06-11 1904-03-26 Wanda Hoppe Geographisches Lehrmittel.
NL134709C (fr) * 1966-12-16
CH532669A (de) * 1971-11-15 1973-01-15 Schueller & Sohn W Verfahren und Schützen-Jacquardbandwebstuhl zur Herstellung mehrfarbiger Bänder sowie nach dem Verfahren hergestelltes mehrfarbiges Band
FR2450300A1 (fr) * 1979-02-28 1980-09-26 Elastelle Tissel Procedes Procede de fabrication d'une bande tissee avec obtention d'effets de fils inedits, par deplacement transversal et accrochage des fils de chaine sur ou dans la lisiere maille d'une bande tissee elastique ou rigide, les produits obtenus et les moyens de mise en oeuvre du procede
CH639710A5 (de) * 1979-11-08 1983-11-30 Textilma Ag Verfahren zur herstellung eines gewebes, webmaschine zur durchfuehrung des verfahrens und nach dem verfahren hergestelltes gewebe.
ES8106772A1 (es) * 1980-03-28 1981-09-01 Murtra Ind Procedimiento de formacion de una doble tela en telares de agujas para cinteria
DE3320925C2 (de) * 1983-03-16 1985-04-11 Textilma Ag, Hergiswil Bandwebmaschine
GB8324889D0 (en) * 1983-09-16 1983-10-19 Bonas Machine Co Weft yarn insertion needle
DE3345508A1 (de) * 1983-12-16 1985-06-27 Ieperband N.V., Ieper Gurtband mit flexibelem schussmaterial
DE4009455A1 (de) * 1990-03-23 1991-09-26 Berger Johann Verfahren zum weben eines bandes
DE9421227U1 (de) * 1994-03-23 1995-08-10 Carl Stahl GmbH & Co KG, Gurt- und Bandweberei, 89542 Herbrechtingen Gurtband
AT6080U1 (de) 2002-03-07 2003-04-25 Avl List Gmbh Verfahren zur auslegung eines energiemanagements für ein hybridfahrzeug

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

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