EP1512782A2 - Métier à tisser avec un dispositif de rentrage de fils de trame - Google Patents

Métier à tisser avec un dispositif de rentrage de fils de trame Download PDF

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Publication number
EP1512782A2
EP1512782A2 EP04405510A EP04405510A EP1512782A2 EP 1512782 A2 EP1512782 A2 EP 1512782A2 EP 04405510 A EP04405510 A EP 04405510A EP 04405510 A EP04405510 A EP 04405510A EP 1512782 A2 EP1512782 A2 EP 1512782A2
Authority
EP
European Patent Office
Prior art keywords
weft
additional
shed
tuyere
weaving machine
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
EP04405510A
Other languages
German (de)
English (en)
Other versions
EP1512782A3 (fr
EP1512782B1 (fr
Inventor
Hans-Dieter Scorl
Anton Kuehne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Itema Switzerland Ltd
Original Assignee
Sultex AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sultex AG filed Critical Sultex AG
Priority to EP04405510A priority Critical patent/EP1512782B1/fr
Publication of EP1512782A2 publication Critical patent/EP1512782A2/fr
Publication of EP1512782A3 publication Critical patent/EP1512782A3/fr
Application granted granted Critical
Publication of EP1512782B1 publication Critical patent/EP1512782B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D03D47/40—Forming selvedges
    • D03D47/48—Forming selvedges by inserting cut end of weft in next shed, e.g. by tucking, by blowing
    • 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
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3006—Construction of the nozzles
    • D03D47/302—Auxiliary nozzles

Definitions

  • the invention relates to a loom according to the preamble of claim 1, a device for inserting one or more weft ends and for forming a product edge according to the preamble of claim 6 and a Method for inserting one or more weft ends and for Forming a product edge according to the preamble of claim 9.
  • the loom In order to form a solid edge of the goods, the loom is put into a weaving machine Shed registered wefts after completion of the weft insertion cut off at their ends with excess length and the free ends after the next subject change, but still before the next Weft stopper, inflected into the open shed.
  • the process for the bending, the textile technology as insertion of the weft is usually done either mechanically, pneumatically or pneumo-mechanically.
  • An example of a pneumomechanical Embodiment is known from EP-A-0 134 377.
  • the penetration of the upper or lower compartment through the weft ends are also referred to as bleeding. Due to the due to improper insertion of the weft ends caused tissue defects, the tissue is classified as inferior. Problems can also arise with normally flexible yarns, though several, e.g. two weft ends inserted in the same shed become. Often, in this case, a weft end is proper inserted while the other weft end is not properly is positioned and e.g. can bleed through.
  • the object of the invention is to provide a loom with a device for Insert one or more weft ends and to form a Article edge and a device and a method for inserting a or more weft ends and the formation of a product edge to To provide the tissue defects in a row not properly reduce inlaid weft ends, and allow the flawless Produce fabric edges, even in the case that stiffer yarns used and / or that multiple weft ends in the same shed be registered.
  • the loom according to the invention comprises a device for Insert one or more weft ends and to form a Article edge, which device is a mechanical, pneumatic or includes pneumo-mechanical insert, inside or outside of the Goods width can be arranged.
  • a Shedding device for forming a shed with a shed tip intended.
  • the Device for inserting one or more weft ends at least one additional tuyere within the product width, especially within the width of the web edge, is arranged, and whose Direction of beam is directed to the shed tip to the weft ends in to blow the shawl tip.
  • the additional tuyere comprises a nozzle opening disposed within the shed.
  • the loom comprises a weft insertion direction and the jet direction of the additional tuyere runs essentially perpendicular to the weft insertion direction.
  • the Weaving machine relay nozzles and the additional tuyere is in a row arranged with the relay nozzles.
  • the jet direction of the additional tuyere adjustable.
  • the additional tuyere along the weft insertion direction and / or in the Height and / or arranged adjustable in the warp direction.
  • the loom comprises a batten with stop position and a separating device for separating registered weft threads
  • the loom and / or the device for inserting a or multiple weft thread ends include a controller which the additional tuyere after separation of the inserted weft threads, preferably during or after insertion of the weft ends, turns.
  • the controller switches the additional tuyere out before the sley reaches the stop position.
  • the invention comprises a device for inserting a or several weft ends and to form a web edge in one Weaving machine with a shed and a shed tip, which Device a mechanical, pneumatic or pneumomechanical Depositor includes, as well as at least one additional Blow nozzle, which is designed such that the beam direction of the additional Blow nozzle is oriented towards the shed tip and the additional Blowing nozzle within the product width, in particular within the width of the Goods edge can be used.
  • the additional tuyere is such formed such that a nozzle opening thereof within the shed can be used, in particular that a nozzle opening thereof within the Can be used shed without fabric defects in a tissue to be formed to cause.
  • the beam direction is the adjustable additional blowing nozzle.
  • the additional tuyere is oblong shaped and with a fastening provided, which is designed such that the additional Blow nozzle in the direction of elongated extent and / or in one direction perpendicular to the elongate extent and the beam direction is adjustable.
  • the invention comprises a method for inserting one or several weft ends and to form a web edge in one Weaving machine, in which method on the loom, a shed with Webfachspitze is formed and the weft ends by means of a mechanical, pneumatic or pneumo-mechanical insert in the Shed are inserted.
  • the weft ends are using at least one additional tuyere within the product width, especially within the width of the web edge, is arranged, and whose Beam direction is directed to the shed tip, blown into the shed tip.
  • the weft ends are through the additional tuyere held in the sheaf tip.
  • the additional comprises Blow nozzle a nozzle opening which is disposed within the shed, in particular such that the additional tuyere no Tissue defects are generated.
  • the weft threads are entered, struck and separated and the additional tuyere is after the Separating the inserted and damaged weft threads, preferably during or after insertion of the weft ends, switched on.
  • the additional tuyere before the Striking the subsequently entered weft threads is completed, switched off.
  • the weaving machine according to the invention and the device and the method for inserting one or more weft ends according to the present Invention have the advantage that the weft thread ends by the at least one additional blowing nozzle particularly effective against the Webfach tip blown and smoothed there and can be held.
  • the arrangement of the additional tuyere within the fabric width allows an optimal beam direction for smoothing and holding the Weft ends and a shorter distance to the thread tip, which better be kept under control. Thanks to the better control
  • the thread tip can be the so-called bleeding of the thread tips largely avoided. This can not tissue defects in a row properly inserted weft ends are effectively reduced.
  • the weaving machine, as well as the device and the method according to present invention allow even in difficult cases, where stiffer Yarns inserted or more weft ends in the same shed be registered to produce flawless fabric edges.
  • Fig. 1 shows an embodiment of a loom with a device for inserting one or more weft ends 2'a and for forming a fabric edge according to the present invention.
  • the loom 1 is in Embodiment designed as air jet loom.
  • the device described below for inserting a or more weft ends and for forming a product edge in Connect to other types of weaving machines, such as Use rapier or projectile looms.
  • the Device for inserting one or more weft ends 2'a and for forming a product edge 10 comprises in the embodiment one or a plurality of outside the fabric width 12 arranged nozzle arrangements 4.1 - 4.4, which are designed as air intakes.
  • the loom 1 comprises a main nozzle 3 and several relay nozzles 5.1 - 5.n for entering a Weft 2, a batten 8 with Riet and on the weft insertion side and Schussanashsseite ever a separator 7.1, 7.3 to the means of Main nozzle and the relay nozzles registered and by means of Rietes severed weft 2, as well as an additional Separator 7.2, around the registered and posted Cut through weft thread 2 in the middle. That way you can two fabrics are produced side by side at the same time.
  • Each of the Both fabrics have a fabric width 12 and laterally each a fabric edge 10, which is formed by inserting the weft ends 2'a.
  • the four fabric edges comprises the loom 1 in this embodiment one device each for inserting one or more weft thread ends, which are arranged in the region of the fabric edges.
  • the devices for inserting a or several weft thread ends 2'a at least one additional blowing nozzle 6.1 - 6.4, within the product width 12, preferably within the width of respective product edge 10, are arranged, and their beam direction to Webfachspitze a shed formed by means of shedding device are directed to the respective weft ends 2'a in the shed tip to blow.
  • the additional ones include Blow nozzles 6.1 - 6.4 Nozzle openings inside the shed 14 are arranged.
  • a corresponding arrangement of an additional blowing nozzle is shown in Fig. 3, which explains in more detail in a section below is.
  • FIG. 2 shows a detailed view of a device for inserting a or a plurality of weft ends 2'a from that shown in Fig. 1 Embodiment.
  • the device comprises in the embodiment a Air Inlet 4 and an additional tuyere 6, within the product width 12, preferably within the width of the web edge 10, is arranged and the beam direction to the shed tip one by means of a Shedding device formed shed is directed to the Blow the weft end 2'a into the shed tip.
  • the additional tuyere 6 on a sley 8 of the loom arranged.
  • the additional comprises Blast nozzle 6 a nozzle opening which is disposed within the shed.
  • the weaving machine has a weft insertion direction 2b, and the additional tuyere 6 is preferably oriented so that the jet direction of the additional blowing nozzle substantially perpendicular to Weft insertion direction 2b runs.
  • Variant includes the weaving machine relay nozzles 5.1 - 5.n and a sley 8, and the additional tuyere 6 is advantageously together with the relay nozzles 5.1 - 5.n arranged on the sley 8.
  • the additional tuyere 6 is in line with the Stafettendüsen 5.1 - 5.n arranged, for example by the additional Blow nozzle and the relay nozzles on a common Fastening rail are attached.
  • the device for inserting one or more weft ends next to the above additional tuyere 6 additional additional tuyeres 6 ', 6 "include to the security for a proper insertion of the weft ends too increase.
  • the additional tuyeres 6, 6 ', 6 "on one Batten 8 of the loom arranged.
  • each one more additional tuyere 6 ', 6 "provided, which are shown in dashed lines in Fig. 2 are.
  • the additional additional blowing nozzle 6 " which is shown on the left in FIG. 2, can be arranged inside or outside the fabric width 12.
  • FIG. 3 shows a detail view of a shed from that shown in FIG Embodiment.
  • the shed 14 is characterized by upper and lower warp threads 10a, 10b formed in the fabric take-off direction in the shed tip 14a converge, wherein the shed 14 together with a Riet, of which in Fig. 3, a Rietlamelle 8a is located, forms a truss.
  • the Rietlamelle 8a includes a firing channel for guiding a weft thread. 2 while entering. After the truss are in Warp direction already incorporated weft threads arranged, the one Form tissue 16. At the time shown contains the shed tip 14a the weft end 2'a of the last damaged weft thread 2 '.
  • Fig. 4 shows a variant of an additional blowing nozzle in section.
  • the additional tuyere 6 has a jet direction 6a, the is adjustable, for example by in the additional tuyere 6 a spherical shaped insert 6b is provided with a nozzle opening to to adjust the beam direction 6a.
  • the additional tuyere 6 a Fastening device comprise, by means of which the additional tuyere 6th along the weft insertion direction and / or in height and / or in The warp direction is adjustable.
  • the adjustability of the beam direction and the Adjustability of the additional tuyere in one or more directions advantageously allows the jet of the additional tuyere to adapt to different tasks, for example to different product and edge widths and / or to different Yarns and / or to the entry of several weft ends in the same shed.
  • the additional blowing nozzle 6 a nozzle opening which is disposed within a shed 14 to the Weft ends 2'a directly and with optimal beam direction in the To blow shed tip 14a.
  • the additional tuyere 6 designed such that the attachment of the additional blowing nozzle is normally arranged outside and that part of the tuyere which contains the nozzle opening, without Difficulties between the warp threads, i. from below or above, can penetrate into the shed.
  • the additional tuyere 6 has an elongated shape and a slim cross-section on.
  • Appropriately trained nozzles are For example, known from air jet looms and are there as Designated relay nozzles. In contrast to the relay nozzles, whose Beam direction fixed in weft insertion direction, is the additional Blow nozzle 6 formed such that the jet direction to the shed tip is directed.
  • the additional blowing nozzle described in FIG. 4 and / or the above described preferred embodiment of an additional blowing nozzle can also be understood as objects from the present Registration are independent and in one or more of your own Registrations can be protected.
  • a shed 14 with a shed tip 14a is formed and the weft ends 2'a are by means of a mechanical insert and / or one outside the fabric width 12 arranged Nozzle arrangement 4, which may be designed as an air feeder, for example, inserted in the shed 14.
  • the weft ends 2'a by means of at least one additional blowing nozzle 6, which within the Fabric width 12, in particular within the width of the fabric edge 10, is arranged, and the beam direction 6a directed to the shed tip 14a is blown into the shed.
  • the Weft ends 2'a through the additional tuyere 6 in the shed tip recorded.
  • the additional blowing nozzle 6 comprises a Nozzle opening disposed within the shed 14, in particular in such a way that no fabric defects are produced by the additional blowing nozzle 6 become.
  • the method according to Embodiment also the control of the additional tuyere 6.
  • Die additional tuyere 6 is after the separation of a registered and battered weft 2 'and in particular during or after the Insertion of the associated weft thread end 2'a turned on.
  • the Turning off the additional tuyere 6 preferably takes place before the Weft end 2'a together with a subsequently entered Weft 2 is completely struck, i. if to strike one Batten 8 is used with a stop position before the sley 8 the Stop position has reached.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP04405510A 2003-09-02 2004-08-16 Métier à tisser avec un dispositif de rentrage de fils de trame Expired - Lifetime EP1512782B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04405510A EP1512782B1 (fr) 2003-09-02 2004-08-16 Métier à tisser avec un dispositif de rentrage de fils de trame

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03405634 2003-09-02
EP03405634 2003-09-02
EP04405510A EP1512782B1 (fr) 2003-09-02 2004-08-16 Métier à tisser avec un dispositif de rentrage de fils de trame

Publications (3)

Publication Number Publication Date
EP1512782A2 true EP1512782A2 (fr) 2005-03-09
EP1512782A3 EP1512782A3 (fr) 2005-12-28
EP1512782B1 EP1512782B1 (fr) 2007-04-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007076A1 (fr) * 2007-07-12 2009-01-15 Picanol N.V. Procédé permettant de replier l'extrémité d'un fil de trame dans la lisière d'un tissu, et dispositif de rentrage pneumatique
CN102094283A (zh) * 2009-12-10 2011-06-15 津田驹工业株式会社 橡胶加强用织物编织用织机中的织入边形成装置
CN103422234A (zh) * 2013-08-12 2013-12-04 青岛星泽机电科技有限公司 一种喷气光边的方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE725262C (de) * 1939-09-02 1942-09-18 Sulzer Ag Vorrichtung zum Herstellen fester Kanten bei Geweben
DE1710353B1 (de) * 1966-12-29 1971-07-29 Sulzer Ag Verfahren zur Bildung einer Gewebeleiste bei auf Greiferwebmaschinen hergestellten Geweben und Vorrichtung zur Durchfuehrung des Verfahrens
EP0134377A1 (fr) * 1983-09-01 1985-03-20 Maschinenfabrik Sulzer-Rüti Ag Dispositif pour replier les bouts de fil de trame dans un métier à tisser
US4715410A (en) * 1986-09-16 1987-12-29 Sulzer Brothers Limited Weaving loom
US4957144A (en) * 1987-12-28 1990-09-18 Nissan Motor Co., Ltd. Tack-in system of shuttleless loom
EP1088922A1 (fr) * 1999-10-01 2001-04-04 Tsudakoma Kogyo Kabushiki Kaisha Dispositif de rentrage des fils de trame pour un métier à tisser sans navette
EP1314807A2 (fr) * 2001-11-22 2003-05-28 Tsudakoma Kogyo Kabushiki Kaisha Procédé pour former un tissu avec lisière à bout rentré

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE725262C (de) * 1939-09-02 1942-09-18 Sulzer Ag Vorrichtung zum Herstellen fester Kanten bei Geweben
DE1710353B1 (de) * 1966-12-29 1971-07-29 Sulzer Ag Verfahren zur Bildung einer Gewebeleiste bei auf Greiferwebmaschinen hergestellten Geweben und Vorrichtung zur Durchfuehrung des Verfahrens
EP0134377A1 (fr) * 1983-09-01 1985-03-20 Maschinenfabrik Sulzer-Rüti Ag Dispositif pour replier les bouts de fil de trame dans un métier à tisser
US4715410A (en) * 1986-09-16 1987-12-29 Sulzer Brothers Limited Weaving loom
US4957144A (en) * 1987-12-28 1990-09-18 Nissan Motor Co., Ltd. Tack-in system of shuttleless loom
EP1088922A1 (fr) * 1999-10-01 2001-04-04 Tsudakoma Kogyo Kabushiki Kaisha Dispositif de rentrage des fils de trame pour un métier à tisser sans navette
EP1314807A2 (fr) * 2001-11-22 2003-05-28 Tsudakoma Kogyo Kabushiki Kaisha Procédé pour former un tissu avec lisière à bout rentré

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007076A1 (fr) * 2007-07-12 2009-01-15 Picanol N.V. Procédé permettant de replier l'extrémité d'un fil de trame dans la lisière d'un tissu, et dispositif de rentrage pneumatique
BE1017684A3 (nl) * 2007-07-12 2009-03-03 Picanol Nv Werkwijze voor het inleggen van een einde van een inslagdraad in een kant van een weefsel en pneumatische kanteninlegger.
CN102094283A (zh) * 2009-12-10 2011-06-15 津田驹工业株式会社 橡胶加强用织物编织用织机中的织入边形成装置
CN102094283B (zh) * 2009-12-10 2013-12-25 津田驹工业株式会社 橡胶加强用织物编织用织机中的织入边形成装置
CN103422234A (zh) * 2013-08-12 2013-12-04 青岛星泽机电科技有限公司 一种喷气光边的方法

Also Published As

Publication number Publication date
EP1512782A3 (fr) 2005-12-28
EP1512782B1 (fr) 2007-04-25

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