EP1302575A2 - Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom - Google Patents

Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom Download PDF

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Publication number
EP1302575A2
EP1302575A2 EP02020034A EP02020034A EP1302575A2 EP 1302575 A2 EP1302575 A2 EP 1302575A2 EP 02020034 A EP02020034 A EP 02020034A EP 02020034 A EP02020034 A EP 02020034A EP 1302575 A2 EP1302575 A2 EP 1302575A2
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EP
European Patent Office
Prior art keywords
shed
rotation
degrees
weft
rotation angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02020034A
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German (de)
French (fr)
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EP1302575B1 (en
EP1302575A3 (en
Inventor
Adnan Dr. Wahhoud
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.)
Staubli Faverges SCA
Original Assignee
Lindauer Dornier GmbH
Staubli Faverges SCA
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 Lindauer Dornier GmbH, Staubli Faverges SCA filed Critical Lindauer Dornier GmbH
Publication of EP1302575A2 publication Critical patent/EP1302575A2/en
Publication of EP1302575A3 publication Critical patent/EP1302575A3/en
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Publication of EP1302575B1 publication Critical patent/EP1302575B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/007—Loom optimisation

Definitions

  • the invention relates to a method for controlling actuators of a combined with a loom Jacquard worn without knives and Knife drives depending on the angle of rotation of the loom main shaft after the Features of the preamble of claim 1.
  • Weft insertion fluid looms for producing a fabric having a predetermined pattern are operated in combination with a jacquard device as a shed forming device.
  • Jacquard devices modern design have a variety of electrically controllable controls, such as electric motor operated controls. This dispenses with the knives and knife drives.
  • Each warp thread of the weaving loom of a weaving machine is via connecting means, ie via a so-called harness cord with Harnischlitze and retreat of one of the controls so guided that the respective warp threads for forming a shed simultaneously from a first position to a second position and vice versa vertically to be moved.
  • a loom with such a jacquard device is e.g. from the EP 0 353 005 B1.
  • the shed of the individual warps is continuously shifted from the side of the weft insertion into the opened shed to the side of the shed at which the weft emerges from the shed.
  • the shed On the output side of the shed, the shed is therefore at a later time, which is identical to a larger angle of rotation of the main drive shaft, as the input side of the shed.
  • the earlier input-side time is identical to a comparatively smaller angle of rotation of the main drive shaft. This provides an approximately 25% longer time available to sufficiently subject the inserted weft thread to a stretching operation until the beginning of the shed closing.
  • the continuous rotation angle offset takes place within a rotation angle range of the loom main shaft of less than 100 degrees of rotation, and preferably in a range of about 60 degrees of rotation.
  • the beginning of the rotation angle-dependent control of the actuation devices to the closure is weft insertion side of the shed at a rotation angle of about 290 degrees of rotation, whereby an early thread start is possible.
  • the end of this control is weft thread extraction side of the shed at a rotation angle of about 350 degrees of rotation, whereby the stretching phase is maximally extended.
  • Figure 1 shows schematically the assignment of a Jacquardvorraum, with a Input device and control device is equipped with the connection via Harnisch cords and a chess board to the warp threads of a loom, according to Figure 2 from an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend.
  • Figure 2 From an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend.
  • In the open compartment of the warp threads is pro Weaving rotation a weft insertion by weft insertion means performed.
  • the shed angle of the warp threads to change from Top to bottom and vice versa starting from the entry page at A0, continuously over the weaving width to the extension side at A2 over a rotation angle of Weaving one after the other from z. B. causes 290 ° up to 350 °.

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

Abstract

An air or water jet loom is fitted with a jacquard on which the hook and knife mechanism has been replaced by individually controlled electrical actuators. The shed is controlled so that it closes gradually across the width with the angular rotation of the loom, beginning at the weft entry point and ending at the exit. <??>Preferred Features: Control of the shed extends over 60 degrees rotation of the main loom drive shaft, starting at 290 degrees and ending at 350 degrees .

Description

Die Erfindung betrifft ein Verfahren zur Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardeinrichtung ohne Messer und Messerantriebe in Abhängigkeit vom Drehwinkel der Webmaschinen-Hauptwelle nach den Merkmalen des Oberbegriffs von Patentanspruch 1.The invention relates to a method for controlling actuators of a combined with a loom Jacquardeinrichtung without knives and Knife drives depending on the angle of rotation of the loom main shaft after the Features of the preamble of claim 1.

Webmaschinen mit fluidischem Schussfadeneintrag zur Herstellung eines Gewebes mit vorbestimmter Musterung werden in Kombination mit einer Jacquardvorrichtung als Fachbildevorrichtung betrieben.
Jacquardvorrichtungen moderner Bauart besitzen eine Vielzahl elektrisch ansteuerbarer Betätigungseinrichtungen, zum Beispiel elektromotorisch betriebene Betätigungseinrichtungen. Dabei wird auf die Messer und Messerantriebe verzichtet. Jeder Kettfaden der Webkette einer Webmaschine ist dabei über Verbindungsmittel, d.h. über eine sogenannte Harnisch-Schnur mit Harnischlitze und über Rückzugsmittel von einer der Betätigungseinrichtungen so geführt, dass die betreffenden Kettfäden zur Ausbildung eines Webfaches gleichzeitig aus einer ersten Position in eine zweite Position und umgekehrt vertikal bewegt werden.Weft insertion fluid looms for producing a fabric having a predetermined pattern are operated in combination with a jacquard device as a shed forming device.
Jacquard devices modern design have a variety of electrically controllable controls, such as electric motor operated controls. This dispenses with the knives and knife drives. Each warp thread of the weaving loom of a weaving machine is via connecting means, ie via a so-called harness cord with Harnischlitze and retreat of one of the controls so guided that the respective warp threads for forming a shed simultaneously from a first position to a second position and vice versa vertically to be moved.

Zur gesteuerten Bewegung der Kettfäden ist eine elektronische Steuervorrichtung vorgesehen, die jede Betätigungseinrichtung nach einem vorgewählten Programm signalübertragend steuert.For controlled movement of the warp threads is an electronic control device provided each actuator according to a preselected program signal transmitting controls.

Eine Webmaschine mit einer solchen Jacquardvorrichtung ist z.B. aus der EP 0 353 005 B1 bekannt.A loom with such a jacquard device is e.g. from the EP 0 353 005 B1.

Der Gegenstand der vorbekannten EP 0 353 005 B1 unterscheidet nicht, ob die Jacquardvorrichtung mit einer Webmaschine mit fluidischen Schussfadeneintragsmitteln oder mit mechanischen Schussfadeneintragsmitteln betrieben wird.The subject matter of the previously known EP 0 353 005 B1 does not distinguish whether the Jacquard device with a weaving machine with fluidic weft insertion means or operated with mechanical weft insertion means.

Weil ein solcher Unterschied nicht vorgenommen ist, geht der Fachmann davon aus, dass auch der Ausbildung des Webfaches auf den vorgenannten Webmaschinen, bei z.B. identisch zu webenden Artikel ein identisches Fachbewegungsprofil, im Hinblick auf die Webbreite, zugrunde liegt. Hier setzt die Erfindung an.Because such a difference is not made, the skilled person will assume that also the formation of the shed on the aforementioned looms, e.g. identical to weaving article an identical professional movement profile, in terms of Web width, underlying. This is where the invention starts.

Es ist Aufgabe der Erfindung, ein Verfahren zur drehwinkelabhängigen Ansteuerung der Betätigungseinrichtungen einer mit einer Webmaschine mit fluidischen Schussfadeneintragsmitteln kombinierten Jacquardvorrichtung ohne Messer und Messerantriebe zu schaffen, womit, im Vergleich zum Stand der Technik, die Zeitdauer zum Offenhalten des sogenannten Schussfadeneintragfensters vergrößert wird.It is an object of the invention to provide a method for rotational angle-dependent control of Actuators one with a loom with fluidic Weft applicators combined jacquard device without knife and To provide knife drives, which, compared to the prior art, the duration is increased to keep open the so-called weft insertion window.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des unabhängigen Patentanspruchs 1 gelöst.
Danach werden die Betätigungseinrichtungen der z.B. mit einer Luftdüsenwebmaschine, also einer Webmaschine mit fluidischen Schussfadeneintragsmitteln, kombinierten Jacquardvorrichtung nach dem Eintragen des Schussfadens in das geöffnete Webfach derart signalübertragend angesteuert, dass, über die Webbreite der Webmaschine gesehen, der Fachschluss durch jeden einzelnen Kettfaden kontinuierlich in Abhängigkeit vom Drehwinkel der Hauptwelle der Webmaschine versetzt erfolgt. Mit anderen Worten, der Fachschluss der einzelnen Kettfäden wird von der Seite des Schussfadeneintrags in das geöffnete Webfach bis zu der Seite des Webfaches, an welcher der Schussfaden aus dem Webfach austritt, kontinuierlich verschoben.
Ausgangsseitig des Webfaches erfolgt der Fachschluss demnach zu einem späteren Zeitpunkt, der identisch ist mit einem größeren Drehwinkel der Hauptantriebswelle, als eingangsseitig des Webfaches. Der frühere eingangsseitige Zeitpunkt ist identisch mit einem vergleichsweise kleineren Drehwinkel der Hauptantriebswelle. Damit steht eine um etwa 25 % größere Zeitspanne zur Verfügung, um den eingetragenen Schussfaden hinreichend einem Streckvorgang bis zum Beginn des Fachschließens zu unterziehen.The object is achieved by the features of independent claim 1.
Thereafter, the actuators of the example with an air jet loom, so a loom with fluid weft insertion, combined jacquard device after entering the weft thread in the open shed signal-driven so controlled that, seen on the weaving width of the weaving machine, the closure by each warp continuously in dependence offset from the rotation angle of the main shaft of the loom. In other words, the shed of the individual warps is continuously shifted from the side of the weft insertion into the opened shed to the side of the shed at which the weft emerges from the shed.
On the output side of the shed, the shed is therefore at a later time, which is identical to a larger angle of rotation of the main drive shaft, as the input side of the shed. The earlier input-side time is identical to a comparatively smaller angle of rotation of the main drive shaft. This provides an approximately 25% longer time available to sufficiently subject the inserted weft thread to a stretching operation until the beginning of the shed closing.

Mit dem erfindungsgemäßen Verfahren ist der Vorteil eines vergrößerten Zeitintervalles für einen schonenden Schussfadentransport und eine verbesserte Streckwirkung auf den Schussfaden und im Zusammenhang damit eine verbesserte Gewebequalität verbunden.With the method according to the invention is the advantage of an increased time interval for a gentle weft transport and an improved stretching effect on the Weft and associated therewith an improved fabric quality.

In weiterer Ausgestaltung der Erfindung erfolgt das kontinuierliche Drehwinkelversetzen innerhalb eines Drehwinkelbereiches der Webmaschinen-Hauptwelle von weniger als 100 Drehwinkelgraden, und zwar vorzugsweise in einem Bereich von etwa 60 Drehwinkelgraden.
Der Beginn der drehwinkelabhängigen Ansteuerung der Betätigungseinrichtungen zum Fachschluss liegt schussfadeneintragseitig des Webfaches bei einem Drehwinkel von etwa 290 Drehwinkelgraden, womit ein früher Fadenstart ermöglicht wird. Das Ende dieser Ansteuerung liegt schussfadenauszugseitig des Webfaches bei einem Drehwinkel von etwa 350 Drehwinkelgraden, womit die Streckphase maximal verlängert wird.In a further embodiment of the invention, the continuous rotation angle offset takes place within a rotation angle range of the loom main shaft of less than 100 degrees of rotation, and preferably in a range of about 60 degrees of rotation.
The beginning of the rotation angle-dependent control of the actuation devices to the closure is weft insertion side of the shed at a rotation angle of about 290 degrees of rotation, whereby an early thread start is possible. The end of this control is weft thread extraction side of the shed at a rotation angle of about 350 degrees of rotation, whereby the stretching phase is maximally extended.

Die Erfindung wird nachstehend anhand eines Ausführungsbeispiels näher erläutert.The invention will be explained in more detail below with reference to an embodiment.

In den Zeichnungen zeigen:

Figur 1
den Verlauf des Webfach-Bewegungsprofils über die Webbreite bei einer mit einer Luftdüsenwebmaschine kombinierten Jacquardvorrichtung,
Figur 2
den in einem Diagramm dargestellten Verlauf des Webfach-Bewegungsprofils über die Webbreite bei einer mit einer Luftdüsenwebmaschine kombinierten Jacquardvorrichtung,
Figur 3
den schussfadeneintragseitigen Fachschluss des Webfaches,
Figur 4
den zwischen dem schussfadeneintragseitigen Fachschluss und den schussfadenauszugseitigen Fachschluss gelegenen Fachschluss und
Figur 5
den auszugseitigen Fachschluss des Webfaches.
In the drawings show:
FIG. 1
the course of the shed motion profile over the weaving width in a Jacquard device combined with an air jet loom,
FIG. 2
the course of the shed movement profile over the weaving width in a jacquard device combined with an air jet loom, shown in a diagram,
FIG. 3
the weft insertion end technical closure of the shed,
FIG. 4
the closure between the weft insertion point and the weft withdrawal point
FIG. 5
the shed side shed of the shed.

Ausführungsbeispiel nach Figur 1-5Embodiment of Figure 1-5

Figur 1 zeigt schematisch die Zuordnung einer Jacquardvorrichtung, die mit einer Eingabeeinrichtung und Steuereinrichtung ausgerüstet ist, mit der Verbindung über Harnischschnüre und ein Chorbrett zu den Kettfäden einer Webmaschine, die sich gemäß Figur 2 von einer Eintragsseite, beginnend bei A0, über die Webmaschinenbreite bis zur Auszugsseite bei A2 erstrecken. In das offene Fach der Kettfäden wird pro Webmaschinenumdrehung ein Schusseintrag durch Schussfadeneintragsmittel vorgenommen. Figure 1 shows schematically the assignment of a Jacquardvorrichtung, with a Input device and control device is equipped with the connection via Harnisch cords and a chess board to the warp threads of a loom, according to Figure 2 from an entry page, starting at A0, on the loom width to the Excerpt page at A2 extend. In the open compartment of the warp threads is pro Weaving rotation a weft insertion by weft insertion means performed.

Gemäß den Figuren 3-5 wird der Fachschlußwinkel der Kettfäden zum Wechsel vom Ober- zum Unterfach und vice versa, ausgehend von der Eintragsseite bei A0, kontinuierlich über die Webbreite bis zur Auszugsseite bei A2 über einen Drehwinkel der Webmaschine nacheinander von z. B. 290° bis zu 350° bewirkt.According to Figures 3-5, the shed angle of the warp threads to change from Top to bottom and vice versa, starting from the entry page at A0, continuously over the weaving width to the extension side at A2 over a rotation angle of Weaving one after the other from z. B. causes 290 ° up to 350 °.

Claims (4)

Verfahren zur Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardvorrichtung ohne Messer und Messerantriebe, wobei die Ansteuerung in Abhängigkeit vom Drehwinkel der Webmaschinen-Hauptwelle erfolgt, wobei die Webmaschine fluidische Schussfadeneintragsmittel besitzt und wobei die Jacquardvorrichtung eine Vielzahl elektromotorischer Betätigungseinrichtungen aufweist und jede Betätigungseinrichtung zur Ausbildung eines Webfaches Mittel zur vertikalen Führung eines Kettfadens einer Webkette besitzt und wobei ferner eine elektrische Steuereinrichtung jede Betätigungseinrichtung signalübertragend derart ansteuert, dass nach dem Eintragen des Schussfadens in das geöffnete Webfach die Betätigungseinrichtungen den Fachschluss des Webfaches einleiten, dadurch gekennzeichnet, dass die Ansteuerung der Betätigungseinrichtungen zum Schließen des Webfaches kontinuierlich drehwinkelversetzt über die Webbreite erfolgt, und zwar beginnend schussfadeneintragseitig und endend schussfadenauszugseitig des Webfaches.Method for controlling actuators of a jacquard device combined with a weaving machine without knives and knife drives, wherein the control in dependence on the rotation angle of the loom main shaft takes place, the weaving machine has fluid weft insertion means and wherein the jacquard device comprises a plurality of electromotive actuators and each actuator for forming a Webfaches means for vertical guidance of a warp of a warp has and further wherein an electrical control device signal-transmitting controls each actuator so that after entering the weft in the open shed the actuators initiate the closure of the shed, characterized in that the control of the actuators to close the shed is continuously offset in angle of rotation over the weaving width, starting from the weft thread Weft thread extension side of the shed on the load side and end. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das kontinuierliche und drehwinkelversetzte Ansteuern innerhalb eines Drehwinkelbereiches der Webmaschinen-Hauptwelle von weniger als 100 Drehwinkelgraden erfolgt.A method according to claim 1, characterized in that the continuous and rotational angle staggered driving takes place within a rotational angle range of the loom main shaft of less than 100 degrees of rotation. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Drehwinkelbereich 60 Drehwinkelgrade beträgt.A method according to claim 1, characterized in that the rotation angle range is 60 degrees of rotation. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die drehwinkelabhängige Ansteuerung schussfadeneintragseitig des Webfaches bei einem Drehwinkel der Webmaschinen-Hauptwelle von etwas 290 Drehwinkelgraden beginnt und schussfadenauszugseitig des Webfaches bei einem Drehwinkel von etwas 350 Drehwinkelgraden der Webmaschinen-Hauptwelle endet.A method according to claim 1, characterized in that the rotation angle-dependent control weft thread entry side of the shed starts at a rotation angle of the loom main shaft of some 290 degrees and ends weft threadauszugseitig the shed at a rotation angle of about 350 degrees of rotation of the loom main shaft.
EP02020034A 2001-10-10 2002-09-06 Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom Expired - Lifetime EP1302575B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10149970A DE10149970A1 (en) 2001-10-10 2001-10-10 Method for controlling actuation devices of a jacquard device combined with a weaving machine
DE10149970 2001-10-10

Publications (3)

Publication Number Publication Date
EP1302575A2 true EP1302575A2 (en) 2003-04-16
EP1302575A3 EP1302575A3 (en) 2003-07-30
EP1302575B1 EP1302575B1 (en) 2004-11-10

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EP02020034A Expired - Lifetime EP1302575B1 (en) 2001-10-10 2002-09-06 Method for controlling the actuating elements of a Jacquard machine combined with a weaving loom

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US (1) US6863091B2 (en)
EP (1) EP1302575B1 (en)
JP (1) JP3499550B2 (en)
AT (1) ATE282105T1 (en)
DE (2) DE10149970A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2662479A1 (en) * 2012-05-11 2013-11-13 Gebrüder Klöcker GmbH Weaving machine with leno device and fabric with leno pattern

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Publication number Priority date Publication date Assignee Title
BE1016217A5 (en) * 2004-09-28 2006-05-02 Wiele Michel Van De Nv GAAPING DEVICE AND WEAVING MACHINE FITTED WITH SUCH GAAPING DEVICE.
FR2902444B1 (en) * 2006-06-16 2008-08-29 Staubli Faverges Sca DEVICE FOR FORMATION OF THE JACQUARD TYPE CROWN, WEAVING EQUIPPED WITH SUCH A DEVICE AND METHOD FOR FORMING THE CROWD ON SUCH A TRADE
US20080271807A1 (en) * 2006-09-07 2008-11-06 Sultex Ag Method and a stretching device for the holding of a weft thread
FR2911882B1 (en) * 2007-01-31 2009-05-29 Staubli Faverges Sca DEVICE FOR FORMING THE MOB INCORPORATING ELECTRIC MOTOR BLOCKS AND A WEAVING MACHINE EQUIPPED WITH SUCH A DEVICE.
CN102341535B (en) * 2009-03-06 2013-12-25 林道尔.多尼尔有限责任公司 Method for operating weaving machine comprising shedding machine
DE102010026609B3 (en) * 2010-07-09 2011-11-17 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Method and apparatus for weaving patterns on fabrics with added weft effects
DE102010034969B3 (en) 2010-08-20 2011-11-03 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Weaving and weaving machine for weaving patterns in fabrics with additional pattern effects
IN2014MU00226A (en) * 2014-01-22 2015-09-25 Akhlaque Ahmed Zahir Ahmed Ansari
FR3054245B1 (en) * 2016-07-22 2018-08-31 Staubli Faverges MOBILE TRAINING MACHINE AND WEAVING MACHINE COMPRISING SUCH A MACHINE.

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DE2119053B2 (en) * 1971-04-20 1973-10-04 Peter Dipl.-Kfm. 8000 Muenchen Doehler Facility for technical training on looms
FR2476696A1 (en) * 1980-02-21 1981-08-28 Moessinger Albert LOOM
GB8817765D0 (en) * 1988-07-26 1988-09-01 Palmer R L Loom control
US5390709A (en) * 1992-12-16 1995-02-21 Martonffy; Barnabas Fabric forming machine including pneumatic shedding apparatus and method
JP3373665B2 (en) * 1994-08-18 2003-02-04 カヤバ工業株式会社 Warp selection device of loom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2662479A1 (en) * 2012-05-11 2013-11-13 Gebrüder Klöcker GmbH Weaving machine with leno device and fabric with leno pattern
US8893750B2 (en) 2012-05-11 2014-11-25 Gebrüder Klöcker GmbH Device for manufacturing a fabric, and fabric

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Publication number Publication date
US6863091B2 (en) 2005-03-08
ATE282105T1 (en) 2004-11-15
EP1302575B1 (en) 2004-11-10
EP1302575A3 (en) 2003-07-30
JP3499550B2 (en) 2004-02-23
DE10149970A1 (en) 2003-05-08
JP2003155638A (en) 2003-05-30
DE50201505D1 (en) 2004-12-16
US20030070721A1 (en) 2003-04-17

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