EP0403429A1 - Elément guide-fil sous forme de tringle pour machines textiles, en particulier lisse de tissage - Google Patents

Elément guide-fil sous forme de tringle pour machines textiles, en particulier lisse de tissage Download PDF

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Publication number
EP0403429A1
EP0403429A1 EP90810403A EP90810403A EP0403429A1 EP 0403429 A1 EP0403429 A1 EP 0403429A1 EP 90810403 A EP90810403 A EP 90810403A EP 90810403 A EP90810403 A EP 90810403A EP 0403429 A1 EP0403429 A1 EP 0403429A1
Authority
EP
European Patent Office
Prior art keywords
thread guide
guide element
thread
element according
eye
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
EP90810403A
Other languages
German (de)
English (en)
Other versions
EP0403429B1 (fr
Inventor
Hansjürg Gysin
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.)
Sulzer Markets and Technology AG
Original Assignee
Sulzer Innotec AG
Sulzer AG
Gebrueder Sulzer 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 Sulzer Innotec AG, Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer Innotec AG
Publication of EP0403429A1 publication Critical patent/EP0403429A1/fr
Application granted granted Critical
Publication of EP0403429B1 publication Critical patent/EP0403429B1/fr
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
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1369—Fiber or fibers wound around each other or into a self-sustaining shape [e.g., yarn, braid, fibers shaped around a core, etc.]

Definitions

  • the invention relates to a rod-shaped thread guide element for textile machines, with a thread eye, in particular a heald.
  • thread guide elements and strands for guiding the warp yarn during shedding in weaving machines have hitherto been punched from flat steel or also bent from steel wire.
  • these known metallic thread guide elements are not only relatively difficult to manufacture, but also complex.
  • the formation of a suitably shaped thread eye that is gentle on the thread, possibly by means of a separate ceramic eye insert, in a strand requires a relatively complex and expensive production.
  • the relatively high weight of the metallic thread guide elements is an increasing problem in modern, high-speed textile machines.
  • the thread guide element consists of compact, thermoplastic synthetic material reinforced with high-strength technical continuous fibers, the fiber reinforcement having a braided tube, and in that the eye opening by widening the braided fiber strands is formed. Even the material composition and arrangement results in a considerable weight reduction.
  • the thermoplastic matrix and the braid structure enable the thread guiding element to be shaped more optimally with reduced material expenditure, which in turn means an additional reduction in weight and also a reduction in costs.
  • the production, especially the shape of the thread eye, as well as the end areas, is considerably simplified.
  • any additional eye insert can be inserted into the widened eye opening in a simple manner by thermoplastic forming.
  • PEEK, PPS, PF or PA are particularly suitable as thermoplastic and carbon, aramid or glass, at least with a volume fraction of 45%, as reinforcing fibers.
  • a fiber angle W of less than 45 ° to the longitudinal axis results in both high strength and high ductility.
  • thermoplastic deformation can be carried out in a simple manner End loops or hook-shaped ends are made. Angling in the eye area with respect to the stretched area of the thread guiding element can also be carried out in a thermoplastic manner. This can result in more economical use of space in dense fabrics.
  • the method for producing the thread guide elements according to the invention consists in that the thread guide elements are produced in two stages, in a first stage yard goods of uniform shape are produced by thermoplastic shaping and consolidation under tensile stress, and in a second stage after cutting to a predeterminable length the thread eye and the end regions are formed by thermoplastic forming.
  • the yard goods of the first stage can be made of thermo-impregnated UD rovings, e.g. in the form of a prepreg tubular braid in a pultrusion device. This process is particularly simple and efficient.
  • the section of a thread guiding element 10 from FIG. 1 shows an eye opening 6 of a heald formed between the stretched areas 26 for guiding a warp thread 4.
  • the compact body of the heald 10 is formed by a fiber composite made of a thermoplastic plastic matrix and tubular braid. Individual fiber strands 31 to 34 of the braid 2 are shown in the figure. The fiber strands are divided in the eye area. The fiber strands 31, 32 run here in the left branch 7, the strands 33, 34 in the right branch 8. This interweaving of the fiber strands also in the eye area 6 prevents the eye from being able to tear open, which would be the case with unidirectional fiber scrims.
  • the necessary smooth, thread-friendly surface is created in the eye by not allowing individual fibers to sprout and injuring or catching the thread 4.
  • the shape of the eye opening 6 can be ideally rounded off and optimized for the thread path (see FIG. 4).
  • an additional eye insert 11 can also be used in the simplest possible way, the material and shape of which is specifically matched to certain yarns, for example a ceramic thread eye.
  • the eye area is heated, the eye opening 6 plastically expanded, the eye insert 11 inserted and then fixed by tensioning the strand 10 in the direction of the longitudinal axis 13 and cooled.
  • the insert 11 is thus securely fixed without additional work steps and auxiliary materials, as is necessary, for example, when soldering inserts in steel strands, and with undiminished strength of the fiber composite material.
  • the thread guide elements and healds according to the invention can thus achieve a weight reduction of, for example, a factor of 5 to a fraction of the weight of previous steel healds.
  • FIGS. 3a to d show an arrangement of the tubular braid 2 in the stretched area 26 of a thread guide element 10.
  • the individual fiber strands 3 with fiber directions 27, 28 form an angle W of preferably less than 45 ° , for example 30 to 40 ° , to the longitudinal axis 13
  • the cross sections 23 and 24 in FIGS. 3a and 3c show the position of the fiber strands 3 of FIG. 3a.
  • FIG. 3d illustrates how the originally open tubular braid 2 was pressed flat and compactly consolidated in directions 40, 41 during manufacture.
  • the widening can advantageously be set between the fiber strands 3, for example at a point 42 (FIG. 3a) of the polymer matrix, by means of a suitable mandrel.
  • FIG. 4 shows a heald 10 with eye 6, stretched area 26 and end areas 14 as thread guide element, 15.
  • a bend 36 o shown in the eye area of, for example 45 to the thread axis 5.
  • a favorable, dense arrangement of the strands with a small thread spacing 43 can thus be achieved in the eye area.
  • the stretched area 26 and in the end area 14, 15, the strand is flattened and formed parallel to the axis 5 of the threads 4.
  • the end regions are shaped as end eyelets 16, 17 which are mounted on a holder 44 of the heald frames.
  • the thermoplastic thread guide elements 10 can, however, be shaped almost as desired in the end regions 14, 15.
  • FIG. 5 shows in two views an example with a hook-shaped end region 18 and a handling opening 46 and with a molded spring arch 47.
  • Fig. 6 shows a resilient, clamp-shaped end region 19 which can be simply plugged onto the strand holder 44 similar to a curtain rail. This allows simple replacement of individual strands.
  • the end region can, however, also be loop-shaped 20, FIG. 7, with a self-welded matrix at point 49.
  • a snap-on spring ring 48 corresponds here to clip 19 from FIG. 6.
  • the thread guide element 10 can be designed in various forms and used in textile machines. It can also have more than one thread eye, for example two staggered thread eyes for the upper and lower work in strands for ribbon weaving. Or it can also be used as a guard lamella in weaving machines with adapted thermoplastic forming of the end areas.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)
EP90810403A 1989-06-12 1990-06-01 Elément guide-fil sous forme de tringle pour machines textiles, en particulier lisse de tissage Expired - Lifetime EP0403429B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH218889 1989-06-12
CH2188/89 1989-06-12

Publications (2)

Publication Number Publication Date
EP0403429A1 true EP0403429A1 (fr) 1990-12-19
EP0403429B1 EP0403429B1 (fr) 1993-10-06

Family

ID=4227950

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810403A Expired - Lifetime EP0403429B1 (fr) 1989-06-12 1990-06-01 Elément guide-fil sous forme de tringle pour machines textiles, en particulier lisse de tissage

Country Status (4)

Country Link
US (1) US5052446A (fr)
EP (1) EP0403429B1 (fr)
JP (1) JPH0319932A (fr)
DE (1) DE59002979D1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2711679A1 (fr) * 1993-10-25 1995-05-05 Grob & Co Ag ÓOEillet de fil pour lisse de tissage et lisse pourvue d'un tel Óoeillet ainsi que son procédé de réalisation.
WO1999014409A1 (fr) * 1997-09-16 1999-03-25 Bräcker Ag Element de guidage de fil en baguette pour machines textiles, notamment lisse plate, et son procede de fabrication
FR2776676A1 (fr) * 1998-03-31 1999-10-01 Staubli Lyon Procede de fabrication d'une lisse, lisse et dispositif de formation de la foule pour metier a tisser
DE102007017449A1 (de) * 2007-04-02 2008-10-09 Picanol N.V. Kunststoffwebelement
US7464730B2 (en) 2006-10-06 2008-12-16 Groz-Beckert Kg Weaving heddle for jacquard weaving machine
US7493921B2 (en) 2005-07-01 2009-02-24 Groz-Beckert Kg Yarn-protecting heald
EP2505701A1 (fr) 2011-03-28 2012-10-03 Groz-Beckert KG Lisse en matière synthétique à plusieurs composants et son procédé de fabrication
EP2505703A1 (fr) 2011-03-28 2012-10-03 Groz-Beckert KG Lisse en matière synthétique et procédé de fabrication à partir d'une bande de feuilles
CN109825922A (zh) * 2019-03-21 2019-05-31 常州百佳年代薄膜科技股份有限公司 聚酯薄膜综丝

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217770A (en) * 1991-08-15 1993-06-08 The B. F. Goodrich Company Braided shaped filamentary structures and methods of making
CA2077130C (fr) * 1991-09-04 2003-04-29 Edward Lee Morris Composite carbone-carbone renforce de fibre de carbone et methode de fabrication de celui-ci
US5417138A (en) * 1993-11-10 1995-05-23 The B.F. Goodrich Company Curved braid apparatus
US5662855A (en) * 1994-05-17 1997-09-02 The B.F. Goodrich Company Method of making near net shaped fibrous structures
US6126179A (en) * 1995-01-20 2000-10-03 The Burton Corporation Method and apparatus for interfacing a snowboard boot to a binding
US5784809A (en) * 1996-01-08 1998-07-28 The Burton Corporation Snowboarding boot
US5952067A (en) * 1996-12-02 1999-09-14 A&P Technology, Inc. Braided structure having uncrimped strands
US6145868A (en) * 1997-05-16 2000-11-14 The Burton Corporation Binding system for an article used to glide on snow
GB9801560D0 (en) * 1998-01-27 1998-03-25 Zyex Limited Lightweight abrasion resistant braiding
DE19932685A1 (de) * 1999-07-13 2001-01-18 Grob Horgen Ag Horgen Weblitzensystem
DE10330304B4 (de) * 2003-06-17 2005-10-27 Groz-Beckert Kg Verbesserte Weblitze
JP4669318B2 (ja) * 2005-05-11 2011-04-13 カヤバ工業株式会社 シリンダバレル
FR2891282B1 (fr) * 2005-09-27 2007-11-16 Staubli Lyon Sa Procede de fabrication d'une lisse, lisse de mecanisme de formation de la foule et metier a tisser incorporant une telle lisse.
US20070079887A1 (en) * 2005-10-10 2007-04-12 Gtp Greenville, Inc. Plastic heddle
EP1795636B1 (fr) * 2005-12-08 2010-03-24 Groz-Beckert KG Lisse pour des fils de chaîne en forme de bande
DE102005059933B4 (de) * 2005-12-13 2011-04-21 Eads Deutschland Gmbh Flechttechnisch hergestelltes Faserverbundbauteil
US20100108171A1 (en) * 2007-03-29 2010-05-06 Jordi Relats Manent Protective sheath for cables, tubes and the like
EP2166138A1 (fr) * 2008-09-23 2010-03-24 Groz-Beckert KG Lisse Jacquard dotée d'une zone d'oeil gaufré
EP2224046B1 (fr) * 2009-02-26 2011-08-31 Groz-Beckert KG Lisse en matière plastique
US8302522B2 (en) * 2009-04-27 2012-11-06 Marquez Transtech Ltée Composite material, composite part and methods for making such

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851029C (de) * 1944-08-24 1952-09-29 Felten & Guilleaume Carlswerk Verfahren und Vorrichtung zur Herstellung von Webelitzen aus einem Band aus Polyamidoder aehnlichem Kunststoff
FR1192175A (fr) * 1956-05-25 1959-10-23 Degussa Tresses en fil à oeillets renforcés
FR2267403A1 (fr) * 1974-04-09 1975-11-07 Staeubli Ag
WO1980000719A1 (fr) * 1978-09-26 1980-04-17 Braecker Ag Lisse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR875216A (fr) * 1942-09-16
US3049151A (en) * 1960-06-01 1962-08-14 Greensboro Loom Reed Company I Anti-friction instrumentalities for a loom
CH410814A (de) * 1963-12-19 1966-03-31 Grob & Co Ag Weblitze und Verfahren zu deren Herstellung
SE426369B (sv) * 1978-07-28 1983-01-17 Herbert Vollmar Jonasson Forfarande och anordning for framstellning av ett armerat ror av herdplast
US4299359A (en) * 1979-03-22 1981-11-10 Alan Shelton Limited Yarn bobbin support apparatus
GB2204888A (en) * 1987-05-18 1988-11-23 Textilver Sa Fibre reinforced matrix

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851029C (de) * 1944-08-24 1952-09-29 Felten & Guilleaume Carlswerk Verfahren und Vorrichtung zur Herstellung von Webelitzen aus einem Band aus Polyamidoder aehnlichem Kunststoff
FR1192175A (fr) * 1956-05-25 1959-10-23 Degussa Tresses en fil à oeillets renforcés
FR2267403A1 (fr) * 1974-04-09 1975-11-07 Staeubli Ag
WO1980000719A1 (fr) * 1978-09-26 1980-04-17 Braecker Ag Lisse

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1008171A3 (fr) * 1993-10-25 1996-02-06 Grob & Co Ag Oeillet de fil pour lisse de tissage et lisse pourvue d'un tel oeillet ainsi que son procede de realisation.
FR2711679A1 (fr) * 1993-10-25 1995-05-05 Grob & Co Ag ÓOEillet de fil pour lisse de tissage et lisse pourvue d'un tel Óoeillet ainsi que son procédé de réalisation.
WO1999014409A1 (fr) * 1997-09-16 1999-03-25 Bräcker Ag Element de guidage de fil en baguette pour machines textiles, notamment lisse plate, et son procede de fabrication
US6283163B1 (en) 1997-09-16 2001-09-04 Bracker Ag Rod-shaped thread-guiding element for textiles machines
CN1094529C (zh) * 1997-09-16 2002-11-20 布拉克公开股份有限公司 纺织机上用的棒状导纱元件,特别是综丝以及其制造方法
FR2776676A1 (fr) * 1998-03-31 1999-10-01 Staubli Lyon Procede de fabrication d'une lisse, lisse et dispositif de formation de la foule pour metier a tisser
EP0947620A1 (fr) * 1998-03-31 1999-10-06 Staubli Lyon Procédé de fabrication d'une lisse, lisse et dispositif de formation de la foule pour métier à tisser
EP0947620B2 (fr) † 1998-03-31 2008-07-09 Staubli Lyon Procédé de fabrication d'une lisse, lisse et dispositif de formation de la foule pour métier à tisser
US7493921B2 (en) 2005-07-01 2009-02-24 Groz-Beckert Kg Yarn-protecting heald
US7464730B2 (en) 2006-10-06 2008-12-16 Groz-Beckert Kg Weaving heddle for jacquard weaving machine
DE102007017449A1 (de) * 2007-04-02 2008-10-09 Picanol N.V. Kunststoffwebelement
EP2505701A1 (fr) 2011-03-28 2012-10-03 Groz-Beckert KG Lisse en matière synthétique à plusieurs composants et son procédé de fabrication
CN102704135A (zh) * 2011-03-28 2012-10-03 格罗兹-贝克特公司 多组分塑料综片及其制造方法
EP2505703A1 (fr) 2011-03-28 2012-10-03 Groz-Beckert KG Lisse en matière synthétique et procédé de fabrication à partir d'une bande de feuilles
CN102704135B (zh) * 2011-03-28 2015-07-29 格罗兹-贝克特公司 多组分塑料综片及其制造方法
CN109825922A (zh) * 2019-03-21 2019-05-31 常州百佳年代薄膜科技股份有限公司 聚酯薄膜综丝

Also Published As

Publication number Publication date
US5052446A (en) 1991-10-01
JPH0319932A (ja) 1991-01-29
DE59002979D1 (de) 1993-11-11
EP0403429B1 (fr) 1993-10-06

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