EP2345755B1 - Procédé de fabrication d'un tissu support - Google Patents

Procédé de fabrication d'un tissu support Download PDF

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Publication number
EP2345755B1
EP2345755B1 EP20100000375 EP10000375A EP2345755B1 EP 2345755 B1 EP2345755 B1 EP 2345755B1 EP 20100000375 EP20100000375 EP 20100000375 EP 10000375 A EP10000375 A EP 10000375A EP 2345755 B1 EP2345755 B1 EP 2345755B1
Authority
EP
European Patent Office
Prior art keywords
warp
monofilaments
twisted
plastic
filament yarns
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.)
Not-in-force
Application number
EP20100000375
Other languages
German (de)
English (en)
Other versions
EP2345755A1 (fr
Inventor
Klaus Bloch
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Individual
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Individual
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Publication date
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Priority to EP20100000375 priority Critical patent/EP2345755B1/fr
Publication of EP2345755A1 publication Critical patent/EP2345755A1/fr
Application granted granted Critical
Publication of EP2345755B1 publication Critical patent/EP2345755B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/447—Yarns or threads for specific use in general industrial applications, e.g. as filters or reinforcement
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/0094—Belts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D03D1/02—Inflatable articles

Definitions

  • the invention relates to a method for producing a carrier fabric formed from interwoven warp and weft threads.
  • the EP 1 225 260 A1 discloses a wrapped cord in which a plurality of filaments are wrapped as a core of one or more sheath filaments.
  • the known threads are due to the twisted orientation of the plastic monofilaments and their inherent high elasticity not suitable to use as warp and weft threads for carrier fabric of the type mentioned use, since the inherent rigidity is not satisfactory.
  • the object of the invention is therefore to provide a method for producing a carrier fabric formed from interwoven warp and weft threads, in which the carrier fabric has a particularly high inherent rigidity and in particular for the production of bellows, Inflatable boats and conveyor belts is suitable, which is due to the high inherent rigidity to dispense with a multi-layer sandwich construction with multiple layers of the carrier fabric and a correspondingly high number of elastomer layers as far as possible.
  • the proposal according to the invention is based on producing the carrier fabric by twisting in each case a plurality of plastic monofilaments in a first step about its longitudinal axis in a first direction of rotation with a predeterminable number of revolutions and in a second subsequent step together with at least one filament yarn be twisted in the opposite direction of rotation with the given number of revolutions in the first direction of rotation.
  • the warp and weft threads thus obtained each consisting of several plastic monofilaments twisted with a filament yarn, can then be woven into the carrier fabric.
  • the plastic monofilaments are first twisted in a first direction of rotation with the predetermined number of revolutions and then together with the filament yarn in a first direction of rotation opposite direction of rotation are twisted with the same number of turns, are the plastic monofilaments in the connection the twisting with the filament yarn back into untwisted, ie rectilinear alignment along its longitudinal axis, since the first step in a first rotation caused twisting with the specified number of turns in the first step by the subsequent twisting in the opposite direction and with the same number of turns completely turned back.
  • the filament yarn twisted with the turned-back plastic monofilaments wound in the longitudinal direction of the monofilaments around their outer surface in the second direction with the specified number of revolutions so that ultimately the plastic monofilaments in straight alignment as the core in untwisted state and completely wrapped with the twisted filament yarn are so that they are no longer visible on the surface of the thus obtained warp or weft thread and the carrier fabric can be produced therefrom.
  • the carrier fabric produced in this way is to be used for bellows, inflatable boats or conveyor belts, due to the high inherent stiffness of the carrier fabric, it is only necessary to provide it with at least one, preferably two, surfaces each with a coating layer of elastomer material, so that overall the costs are significantly reduced become.
  • a plurality of plastic monofilaments are twisted together in a first step to form each individual warp and weft thread, and then twisted with a filament yarn, or the plastic monofilaments are twisted together with a plurality of filament yarns.
  • the number of plastic monofilaments and the filament yarns per warp and / or weft is selected in each case coincident.
  • numbers of two to four, preferably two monofilaments and a corresponding number of filament yarns per warp and weft thread are expediently considered.
  • the plastic monofilaments used in the invention have according to a proposal of the invention a diameter of 0.18 to 0.40 mm, preferably 0.25 mm, while the filament yarns are used with a thread thickness of 460 to 3300 dtex.
  • the plastic monofilaments and / or filament yarns are made according to a proposal of the invention of a polyester or polyamide, wherein preferably a sorted matching material selection for the plastic monofilaments and the filament yarns is made.
  • the filament yarns are made of a polyester, these are according to a further proposal of the invention in a thread thickness of 550 to 3300 dtex, preferably 1100 dtex executed. If the filament yarns are made of a polyamide, the thread thickness is about 460 to 2,820 dtex, preferably 940 dtex.
  • plastic monofilaments and / or filament yarns of a pure polyester but also of modified polyesters can be used.
  • the number of revolutions with which the plastic monofilaments are twisted in the first direction of rotation and then twisted together with the filament yarns in the second opposite direction of rotation according to a proposal of the invention between 50 and 500 tours / m, preferably at about 200 tours / m. Under the unit tours / m is understood in the context of the invention, a number of revolutions per meter running in the longitudinal extension of the plastic monofilaments.
  • polyester as a starting material for the plastic monofilaments and / or filament yarns is particularly suitable for general applications, while the use of polyamide may be useful especially for carrier fabric, which are highly loaded, for example in the corner of a bellows, since the bellows here a high tensile load is exposed.
  • the from the FIG. 1 apparent thread consists of a core forming plastic monofilament 1, which is made for example of a polyester and extending in untwisted rectilinear alignment along its longitudinal extent L.
  • plastic monofilament 1 as the core is a filament yarn 2 along the longitudinal extent L and in the illustration according to FIG. 1 wrapped in a counterclockwise direction so that it forms a jacket and the core formed from the plastic monofilament 1 is no longer visible.
  • the selected representation in the figures is schematized so far for the sake of clarity, but in fact the filament yarn 2 is firmly wound around the plastic monofilament 1 to form a closed jacket.
  • two parallel, but also untwisted plastic monofilaments 1a, 1b are provided together as a core and wrapped by two filament yarns 2a, 2b along its longitudinal axis L together.
  • the carrier fabric produced in this way can be coated on both sides with an elastomeric composition, for example by coating in a coating process.
  • FIGS. 3 and 4 is the example of the thread according to FIG. 1 its preparation in two successive steps clarifies to facilitate the understanding of the invention.
  • the plastic monofilament 1 which is untwisted, as shown in the FIG. 3 twisted in a first direction of rotation S, here clockwise, with a predeterminable number of turns of eg 200 tours / m in the longitudinal extension of the monofilament 1.
  • Warp and weft yarns used in articulated buses were manufactured by twisting two parallel polyethylene terephthalate (PET) monofilaments each 0.25 mm in diameter at 200 turns / m in a first direction of rotation and then together with each two PET filament yarns each of 1,100 dtex in the opposite direction of rotation were also twisted with 200 tours / m.
  • PET polyethylene terephthalate
  • the strength of the carrier fabric thus obtained was 5,250 N / 5 cm in the warp direction at an elongation at break of 27% and in weft 5,300 N / 5 cm at an elongation at break of 23%.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)

Claims (8)

  1. Procédé de fabrication d'un tissu support formé de fils de chaîne et de fils de trame tissés conjointement, caractérisé en ce que plusieurs monofilaments de matière plastique (1a, 1b) par fils de chaîne et/ou de fils de trame sont conjointement, dans une première étape, torsadés autour de leur axe longitudinal (L) dans une premier sens de rotation (S) d'un nombre de tours prédéfini et retordus dans une seconde étape conjointement avec au moins un fil filamentaire (2) dans un sens de rotation (Z) opposé au premier sens de rotation (S) d'un nombre de tours prédéterminé, dans lequel la torsion des monofilaments de matière plastique (1a, 1b) effectuée à la première étape est détortillée complètement et, ensuite, les monofilaments de matière plastique (1a, 1b) retordus avec le fil filamentaire (2) comme fils de chaîne et fils de trame sont tissés pour obtenir le tissu support.
  2. Procédé selon la revendication 1, caractérisé en ce que les monofilaments de matière plastique (1a, 1b) sont retordus conjointement avec plusieurs fils filamentaires (2a, 2b) et tissés comme fils de chaîne et/ou fils de trame pour former le tissu support.
  3. Procédé selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le nombre des monofilaments de matière plastique (1a, 1b) et des fils filamentaires (2a, 2b) par fils de chaîne et/ou fils de trame sont choisis en concordance.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'on utilise des monofilaments de matière plastique (1a, 1b) d'un diamètre de 0,18 à 0,40 mm, de préférence de 0,25 mm.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on utilise des fils filamentaires (2) d'une grosseur de fil de 460 à 3300 dtex.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on utilise des monofilaments de matière plastique (1a, 1b) et/ou des fils filamentaires (2) formés d'un polyester ou d'un polyamide.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le nombre de tours atteint entre 50 et 500 par mètre, de préférence 200 par mètre, dans la direction de l'axe longitudinal (L).
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le tissu support est revêtu d'une masse d'élastomère au moins sur ses surfaces externes.
EP20100000375 2010-01-16 2010-01-16 Procédé de fabrication d'un tissu support Not-in-force EP2345755B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100000375 EP2345755B1 (fr) 2010-01-16 2010-01-16 Procédé de fabrication d'un tissu support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100000375 EP2345755B1 (fr) 2010-01-16 2010-01-16 Procédé de fabrication d'un tissu support

Publications (2)

Publication Number Publication Date
EP2345755A1 EP2345755A1 (fr) 2011-07-20
EP2345755B1 true EP2345755B1 (fr) 2015-03-25

Family

ID=42470881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100000375 Not-in-force EP2345755B1 (fr) 2010-01-16 2010-01-16 Procédé de fabrication d'un tissu support

Country Status (1)

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EP (1) EP2345755B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT155616B (de) 1933-04-05 1939-02-25 Cela Holding S A Verfahren zur Herstellung reißfester und dehnungsfähiger Textilprodukte.
DE6938479U (de) 1969-10-02 1970-06-18 Hoechst Ag Zwirne aus polyester-monofilamenten.
FR2411258A1 (fr) * 1977-12-09 1979-07-06 Brochier & Fils Nouveau materiau textile filiforme pour la realisation d'articles preimpregnes de resine et procede pour son obtention
US5182779A (en) 1990-04-05 1993-01-26 Ltv Aerospace And Defense Company Device, system and process for detecting tensile loads on a rope having an optical fiber incorporated therein
US20020139465A1 (en) 2001-01-19 2002-10-03 Fidan Mehmet Sadettin Wrapped cord
DE10324524B3 (de) 2003-05-28 2004-07-15 Klaus Bloch Textiler Faden, Flächengebilde und Körpergebilde hieraus
DE102008060226B4 (de) * 2008-12-04 2012-07-12 Klaus Bloch Verfahren zur Herstellung eines Trägergewebes und derartiges Trägergewebe

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