EP1778906B1 - Power loom, particularly an air jet power loom, for the production of a leno fabric with integral patterning - Google Patents

Power loom, particularly an air jet power loom, for the production of a leno fabric with integral patterning Download PDF

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Publication number
EP1778906B1
EP1778906B1 EP20050753792 EP05753792A EP1778906B1 EP 1778906 B1 EP1778906 B1 EP 1778906B1 EP 20050753792 EP20050753792 EP 20050753792 EP 05753792 A EP05753792 A EP 05753792A EP 1778906 B1 EP1778906 B1 EP 1778906B1
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EP
European Patent Office
Prior art keywords
leno
power loom
threads
drive
shed forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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EP20050753792
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German (de)
French (fr)
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EP1778906A1 (en
Inventor
Adnan Wahhoud
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Publication date
Priority to DE200410034605 priority Critical patent/DE102004034605B4/en
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Priority to PCT/DE2005/001020 priority patent/WO2006007805A1/en
Publication of EP1778906A1 publication Critical patent/EP1778906A1/en
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Publication of EP1778906B1 publication Critical patent/EP1778906B1/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00Leno or similar shedding mechanisms
    • D03C7/005Combined leno and patterned shedding motion
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00Dobbies
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00Shedding mechanisms not otherwise provided for
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00Jacquards
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00Leno or similar shedding mechanisms
    • D03C7/06Mechanisms having eyed needles for moving warp threads from side to side of other warp threads

Description

  • Die Erfindung betrifft eine Webmaschine, insbesondere Luftdüsenwebmaschine zum Herstellen eines Drehergewebes mit integraler Musterung nach den Merkmalen des Oberbegriffs von Patentanspruch 1.The invention relates to a weaving machine, in particular air jet weaving machine for producing a leno fabric with integral patterning according to the features of the preamble of claim 1.
  • Aus dem US-Patent 4,429,722 ist ein Verfahren zur Herstellung von Gewebe bekannt, wonach während der normalen Gewebebildung, z.B. eines leinwandbindigen Gewebes, gleichzeitig ein Muster in dem Gewebe ausgebildet werden kann.
    Um ein solches Gewebe herstellen zu können, offenbart das US-Patent 4,429,722 eine Webmaschine mit wenigstens einem Mittel zum Vorhalten einer ersten Art von Kettfäden und zum Vorhalten einer zweiten Art von Kettfäden.
    Die Kettfäden der ersten Art sind Garne, wie sie für dreherbindige Gewebe Verwendung finden, während die Kettfäden der zweiten Art sogenannte Zierkettfäden sind.
    Ferner sind geeignete Mittel vorgesehen, um die Gesamtheit der von den vorhaltenden Mitteln gelieferten Kettfäden in Richtung webfachbildender Einrichtungen umzulenken, wobei eine erste webfachbildende Einrichtung die Ausbildung sogenannter Dreherbindungen im Gewebe bewirkt, während die zweite webfachbildende Einrichtung der Musterbildung in dem dreherbindigen Gewebe dient.
    Die bekannte Einrichtung besitzt ferner Mittel zum Eintragen eines Schussfadens in die aus den vorgenannten Kettfäden gebildeten Webfächer. Schließlich weist die bekannte Webmaschine eine Weblade mit Webblatt auf, als Mittel zum Anschlagen des Schussfadens an den Bindepunkt des herzustellenden Gewebes.
    Die Webfachbildung mit den dreherbindigen Kettfäden erfordert in der vorbekannten Webmaschine eine kostenaufwendige Fachbildemaschine, sowie kostenaufwendige Mittel zur lateralen Bewegung der die Dreherbindung bewirkenden Nadelschäfte. Darüber hinaus ist, wie allgemein bekannte, die Produktivität derartiger Webmaschinen aufgrund der Komplexität der Bewegungsabläufe bei den die Webfachbildung bewirkenden Mitteln nicht zufriedenstellend, dass heisst, die Betriebsdrehzahlen liegen unter 400 min -1.
    From the U.S. Patent 4,429,722 For example, there is known a method of producing tissue whereby a pattern can be formed in the tissue at the same time during normal tissue formation, eg, a cotyledonous tissue.
    To be able to produce such a fabric reveals that U.S. Patent 4,429,722 a loom having at least one means for providing a first type of warp yarns and for providing a second type of warp yarns.
    The warp threads of the first type are yarns, as they are used for dreherbindige fabric, while the warp threads of the second kind are so-called decorative warp threads.
    Further, suitable means are provided to redirect the entirety of the warp yarns provided by the maintaining means towards web forming means, wherein a first web forming means effects the formation of so-called leno weaves in the fabric, while the second weaving forming means serves for patterning in the leno weave fabric.
    The known device also has means for introducing a weft thread into the sheds formed from the aforementioned warp threads. Finally, the known loom on a sley with reed, as a means for striking the weft thread to the binding point of the fabric to be produced.
    The shedding with the dreherbindigen warp threads requires in the previously known weaving a costly shedding machine, and costly means for lateral movement of the leno weave causing needle shafts. Moreover, as is well known, the productivity of such looms due to the complexity of the movements in the Webfachbildung-causing agents is not satisfactory, that is, the operating speeds are below 400 min -1.
  • Der Erfindung liegt die Aufgabe zugrunde, eine Webmaschine zu schaffen, auf der ein Drehergewebe mit integraler Musterung, z.B. eine Jacquard- oder Schaftmusterung, bei einer Betriebsdrehzahl der Webmaschine von mehr als 400 min -1 herstellbar ist.The invention has for its object to provide a loom on which a leno fabric with integral pattern, such as a jacquard or shaft pattern, at an operating speed of the weaving machine of more than 400 min -1 can be produced.
  • Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass eine erste Einrichtung zur Ausbildung von Dreherbindungen vorhanden ist, die ein erstes dreherfachbildendes Führungsmittel für Dreherfäden und ein zweites dreherfachbildendes Führungsmittel für Steherfäden aufweist. Das erste dreherfachbildende Führungsmittel ist in an sich bekannter Weise mit einem Antriebsübertragungsmittel verbunden, dessen Antrieb von dem Antriebsmittel der Weblade abgeleitet wird.
    Das zweite dreherfachbildende Führungsmittel ist in an sich bekannter Weise mit wenigstens einem weiteren Antriebsübertragungsmittel derart wirkverbunden, dass es in einer vorbestimmten Anordnungsebene, vorzugsweise in der Webebene, eine kurzhubige Hin- und Herbewegung quer zu den Kettfäden ausführt und dadurch im synchronen Betrieb mit dem ersten Führungsmittel das Ausbilden einer Dreherbindung bewirkt.
    Zur Ausbildung einer Musterung im Drehergewebe ist erfindungsgemäß eine zweite Einrichtung mit fachbildenden Mitteln zum Führen von Musterungsfäden vorgesehen, welche fachbildenden Mittel zwischen den dreherfachbildenden Führungsmitteln der ersten Einrichtung und dem Webblatt eingeordnet sind.
    In weiterer Ausgestaltung der Erfindung ist das erste dreherfachbildende Führungsmittel ein um die Drehachse des ersten Antriebübertragungsmittels schwenkbewegliches, die Dreherfäden mittels Nadel- und/oder Schulterlamellen führendes Riet und das zweite die Dreherbindung bewirkende Führungsmittel ist ein die Steherfäden mittels Nadel-und/oder Schulterlamellen führendes Riet, das in einer Anordnungsebene, in Richtung des zu bildenden Gewebes gesehen, nach dem ersten dreherfachbildenden Führungsmittel vorzugsweise in der Webebene eine kurzhubige Hin- und Herbewegung quer zu den Kettfäden ausführt.
    Die fachbildenden Mittel zur Ausbildung der Musterung in dem Drehergewebe können dabei wenigstens zwei konventionelle, Weblitzen enthaltende Webschäfte sein, die mit einem geeigneten Antriebsmittel zur Fachbildung in Verbindung stehen; es kann ferner eine bekannte Jacquardeinrichtung mit Harnischschnüren und Litzen sein, durch deren Litzenauge wenigstens ein Musterungsfaden geführt ist.
    The object is achieved in that a first means for forming leno bonds is present, which has a first lenfachfachbildendes guide means for leno threads and a second leno fold forming guide means for ground threads. The first Drehrfachbildende guide means is connected in a conventional manner with a drive transmission means, the drive is derived from the drive means of the batten.
    The second lenftbildend guiding means is in a conventional manner operatively connected to at least one further drive transmission means such that it performs a short-stroke reciprocating movement transversely to the warp threads in a predetermined arrangement plane, preferably in the weaving plane and thereby in synchronous operation with the first guide means causes the formation of a leno weave.
    To form a pattern in the leno fabric according to the invention, a second device is provided with shed-forming means for guiding patterning threads, which shed forming means between the threefold forming guide means of the first device and the reed are classified.
    In a further embodiment of the invention, the first lenfachfachbildende guide means is a pivotable about the axis of rotation of the first drive transmission means, the leno threads by means of needle and / or shoulder blades leading reed and the second leno binding effecting guiding means is a Steher threads by means of needle and / or shoulder blades leading Riet which, viewed in an assembly plane, viewed in the direction of the tissue to be formed, executes a short-stroke reciprocating movement transversely to the warp threads, preferably in the weaving plane, after the first rotation-forming guide means.
    The shed-forming means for forming the pattern in the leno fabric may be at least two conventional healds containing healds which are in communication with a suitable drive means for shed formation; it may also be a known Jacquardeinrichtung with harness cords and strands, through the Litzenauge at least one patterning thread is performed.
  • Zur Ausbildung der Musterung können erfindungsgemäß auch wenigstens ein erster und ein zweiter Schaftrahmen vorgesehen sein, in welchen Schaftrahmen Schaftstäbe in Art von Weblitzen aufgenommen sind und wobei vorzugsweise jeder Schaftstab eine solche Vorkehrung besitzt, dass wenigstens ein Musterungsfaden in die Vorkehrung einlesbar ist. Jeder der die Vorkehrung aufweisende Schaftstab ist dabei mit einem ansteuerbaren Stellantrieb zur Positionsänderung der Vorkehrung innerhalb des betreffenden Schaftrahmens wirkverbunden.According to the invention, at least one first and one second shaft frame can also be provided to form the pattern, in which shaft frame shaft rods are received in the form of healds, and wherein preferably each shaft rod has such a provision that at least one patterning thread can be read into the precaution. Each of the precautionary shaft rod is with a controllable Actuator operatively connected to change the position of the provision within the respective shaft frame.
  • In weiterer Ausgestaltung der Erfindung kann der geeignete Antrieb der die Musterungsfäden führenden und fachbildenden Mittel wahlweise ein vom Hauptantrieb der Webmaschine abgeleiteter Antrieb sein oder die fachbildenden Mittel sind mit einem vom Hauptantrieb der Webmaschine unabhängigen Antrieb wirkverbunden.In a further embodiment of the invention, the suitable drive of the Musterungsfäden leading and shed-forming means can be either a derived from the main drive of the loom drive or the shed-forming means are operatively connected to an independent of the main drive of the loom drive.
  • Die Erfindung soll nachfolgend an einem Ausführungsbeispiel näher erläutert werden.The invention will be explained in more detail below using an exemplary embodiment.
  • In der anliegenden Figur ist schematisch eine erfindungsgemäß ausgebildete Webmaschine dargestellt.
    Ein erster Kettbaum 1 liefert einer ersten webfachbildenden Einrichtung 6 Dreherfäden 2 und Steherfäden 3.
    Die Dreherfäden 2 und Steherfäden 3 sind zu deren Umlenkung bevor sie die webfachbildende Einrichtung 6 erreichen, über ein als Streichbaum 5 ausgebildetes Mittel geführt.
    Die webfachbildende Einrichtung 6 besteht aus einem als Führungsmittel 6a für die Dreherfäden 2 ausgebildeten Schwenkriet mit einer Vielzahl von sogenannten Nadel-oder Schulterlamellen, wie aus der DE-Patentschrift 103 07 489 B3 bekannt ist.
    Jeder Dreherfaden 2 kann dabei durch eine Öse der entsprechenden Nadellamelle 15 oder von der Schulter einer sogenannten Schulterlamelle 15 geführt sein.
    In Richtung des auszubildenden Gewebes 13 passieren die Dreherfäden 2 ein als Steherriet ausgebildetes Führungsmittel 6b, das wie das Schwenkriet eine Vielzahl vorgenannter Nadel- oder Schulterlamellen besitzt.
    Die Dreherfäden 2 passieren zusätzliche webfachbildende Mittel, in denen Musterfäden 4 geführt sind. Schließlich passieren die Dreherfäden 2 das Webblatt 11 bevor sie in den Bindepunkt 12 des Gewebes 13 mit den Steher- und Musterfäden zusammengeführt sind.
    In the accompanying figure, an inventively designed weaving machine is shown schematically.
    A first warp beam 1 supplies a first web-forming device 6 leno threads 2 and ground threads 3.
    The leno threads 2 and ground threads 3 are for their deflection before they reach the web forming device 6, passed over a form of a bowing tree 5 means.
    The web-forming device 6 consists of a trained as a guide means 6a for the leno threads 2 Schwenkriet with a variety of so-called needle or shoulder blades, as shown in German Patent 103 07 489 B3 is known.
    Each leno thread 2 can be guided by an eyelet of the corresponding needle blade 15 or by the shoulder of a so-called shoulder blade 15.
    In the direction of the tissue 13 to be formed, the leno threads 2 pass through a guide means 6b which is designed as a chairlid and, like the slewing rivet, has a multiplicity of aforementioned needle or shoulder slats.
    The leno threads 2 pass through additional web-forming means in which pattern threads 4 are guided. Finally, the leno threads 2 pass the reed 11 before they are merged into the binding point 12 of the fabric 13 with the upright and pattern threads.
  • Bezüglich der Steherfäden 3 ist jeder dieser Fäden nach seiner Richtungsumlenkung durch den Streichbaum 5 in dem zwischen zwei benachbarten Nadel- oder Schulterlamellen 15 des Schwenkrietes 6a vorhandenen Freiraum geführt und z.B. in einer Öse der Nadellamelle des Steherrietes aufgenommen.
    Die Steherfäden 3 passieren daraufhin die zusätzlichen webfachbildenden Mittel 7b und das Webblatt 11, ohne dass die Steherfäden 3 von den webfachbildenden Mitteln 7b und dem Webblatt 11 in ihrer Ausrichtung zum Bindepunkt 12 des Gewebes 13 hin eine Beeinträchtigung erfahren.
    Die Ausbildung eines dreherbindigen Gewebes mit den Mitteln eines Schwenkrietes 6a und eines Steherrietes 6b sind aus DE 101 28 538 A1 bekannt, so dass hier auf weitergehende Erläuterungen verzichtet wird.
    With respect to the ground threads 3 each of these threads is guided after its directional deflection by the coating tree 5 in the space between two adjacent needle or shoulder blades 15 of the Schwenkrietes 6a free space and added, for example, in an eye of the needle blade of the Steyriette.
    The ground threads 3 then pass through the additional web-forming means 7b and the reed 11, without the ground threads 3 of the webfachbildenden means 7b and the reed 11 undergo an impairment in their orientation to the binding point 12 of the fabric 13 out.
    The formation of a dreher-binding fabric by means of a Schwenkrietes 6a and a Steherrietes 6b are made of DE 101 28 538 A1 known, so that here further explanations are omitted.
  • Zur Ausbildung einer integralen Musterung in einem herzustellenden dreherbindigen Gewebe besitzt die Webmaschine einen zweiten Kettbaum 1, der ein sogenannter Oberkettbaum ist, und welcher Oberkettbaum erfindungsgemäß zwischen dem dreherfachbildenden Mittel 6b der ersten Einrichtung 6 und dem Webblatt 11 eingeordneten zweiten webfachbildenden Einrichtung 7 die Musterkettfäden 4 liefert.
    Die zweite webfachbildende Einrichtung 7 ist im vorliegenden Ausführungsbeispiel eine Jacquardeinrichtung mit einem von der Webmaschine unabhängigen oder abhängigen Antrieb 7a, wie an sich bekannt.
    To form an integral pattern in a leno weave fabric to be produced, the weaving machine has a second warp beam 1, which is a so-called upper warp beam, and which upper warp beam provides the pattern warp yarns 4 between the spin forming means 6b of the first device 6 and the reed 11 ,
    The second web-forming device 7 in the present embodiment is a Jacquard device with a drive 7a independent or dependent on the loom, as known per se.
  • Wie aus der vorstehenden Offenbarung und der Beschreibung deutlich wird, besteht das Wesen der vorliegenden Erfindung darin, dass das Herstellen von dreherbindigem Gewebe mit integraler Musterung dadurch ermöglicht wird, wenn den webfachbildenden Mitteln der aus DE 101 28 538 A1 bekannten Webmaschine zum Herstellen eines Drehergewebes weitere webfachbildende Mittel in Art von Weblitzen enthaltene Webschäfte, die mit einem geeigneten Antriebsmittel in Verbindung stehen zugeordnet werden oder eine bekannte Jacquardeinrichtung mit Harnischschnüren und Litzen zugeordnet wird.As is apparent from the above disclosure and the description, the essence of the present invention is that the production of dreherbindigem tissue with integral patterning is made possible by when the weaving means of DE 101 28 538 A1 known weaving machine for producing a leno fabric further webfachbildende means in the form of heddles contained heddle shafts, which are associated with a suitable drive means associated or a known Jacquardeinrichtung is associated with Harnisch cords and strands.

Claims (7)

  1. A power loom, in particular an air jet power loom for making leno fabric with integral patterning, comprising:
    a) at least one means for charging leno threads (2) and ground threads (3) as a first type of warp threads and for charging pattern threads (4) as at least a second type of warp threads,
    b) appropriate means for diverting all of the warp threads towards shed-forming devices (6, 7), wherein
    b1) the first device (6) causes leno weaves to be made, and
    b2) the second device (7) causes a weave different from the leno weaves to be made,
    c) means for picking a weft yarn (8) into the shed (9), and
    d) a batten (10) with a weaving reed (11) as a means for beating-up the weft yarn to the interlacing point (12) of the fabric (13) to be manufactured,
    characterized in that the first device (6) comprises a first leno shed forming guide means (6a), which is in a manner known as such operatively connected with a drive transmission means (6c), and said drive transmission means (6c) is operatively connected with the drive means (14) of the batten (10),
    in that a second leno shed forming guide means (6b) is operatively connected with at least one other drive transmission means (6d), and
    in that the second device (7) is composed of shed forming means known per se, which are operatively connected with an appropriate drive, and wherein furthermore shed forming means of the second device (7) are inserted between the leno shed forming means (6b) of the first device (6) and the weaving reed (11).
  2. The power loom according to claim 1, characterized in that the first leno shed forming guide means (6a) is a reed pivotally movable about the axis of rotation (6c') of the drive transmission means and guiding the leno threads (2) by means of needle and/or shoulder drop wires (15), and in that the second leno weave forming guide means (6b) is a reed guiding the ground threads (3) by means of needle and/or shoulder drop wires (16), said reed performing in the weaving plane (17) a short-stroke reciprocating motion, transversely to all of the warp threads.
  3. The power loom according to claim 1, characterized in that the shed forming means of the second device (7) are composed at least of a first and a second conventional drop wire fitted with heddles.
  4. The power loom according to claim 1, characterized in that the shed forming means of the second device (7) are composed of a Jacquard device with harness cords and heddles.
  5. The power loom according to claim 1, characterized in that the shed forming means of the second device (7) are composed of a first and a second metal heald frame, said metal heald frames receiving heddle type heald staves, and wherein preferably each heald stave has an arrangement such that a pattern thread can be leased into the arrangement, and wherein each heald stave having the arrangement is operatively connected with a control mechanism, which can be driven for changing the position of the arrangement inside the metal heald frame involved.
  6. The power loom according to claim 1, characterized in that the appropriate drive of the shed forming means is derived from the main drive of the power loom.
  7. The power loom according to claim 1, characterized in that the appropriate drive of the shed forming means is at least a drive independent from the main drive of the power loom.
EP20050753792 2004-07-16 2005-06-09 Power loom, particularly an air jet power loom, for the production of a leno fabric with integral patterning Expired - Fee Related EP1778906B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE200410034605 DE102004034605B4 (en) 2004-07-16 2004-07-16 Weaving machine, in particular air-jet weaving machine for producing a leno fabric with integral patterning
PCT/DE2005/001020 WO2006007805A1 (en) 2004-07-16 2005-06-09 Power loom, particularly an air jet power loom, for the production of a leno fabric with integral patterning

Publications (2)

Publication Number Publication Date
EP1778906A1 EP1778906A1 (en) 2007-05-02
EP1778906B1 true EP1778906B1 (en) 2009-07-29

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Country Link
US (1) US7438092B2 (en)
EP (1) EP1778906B1 (en)
JP (1) JP2008506854A (en)
CN (1) CN1997783B (en)
AT (1) AT437983T (en)
BR (1) BRPI0513341A (en)
DE (2) DE102004034605B4 (en)
RU (1) RU2339750C1 (en)
WO (1) WO2006007805A1 (en)

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Publication number Priority date Publication date Assignee Title
CN103046213A (en) * 2012-12-18 2013-04-17 苏州展华纺织有限公司 Warp steering pre-positioning device
CN103046213B (en) * 2012-12-18 2014-05-14 苏州展华纺织有限公司 Warp steering pre-positioning device

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CN1997783A (en) 2007-07-11
DE102004034605B4 (en) 2006-04-13
JP2008506854A (en) 2008-03-06
WO2006007805A1 (en) 2006-01-26
DE102004034605A1 (en) 2006-02-16
EP1778906A1 (en) 2007-05-02
AT437983T (en) 2009-08-15
US20070295423A1 (en) 2007-12-27
BRPI0513341A (en) 2008-05-06
DE502005007798D1 (en) 2009-09-10
RU2339750C1 (en) 2008-11-27
RU2007105742A (en) 2008-08-27
US7438092B2 (en) 2008-10-21

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