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EP1788149B1 - Beschichtetes textiles Flächengebilde - Google Patents

Beschichtetes textiles Flächengebilde Download PDF

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Publication number
EP1788149B1
EP1788149B1 EP06301138A EP06301138A EP1788149B1 EP 1788149 B1 EP1788149 B1 EP 1788149B1 EP 06301138 A EP06301138 A EP 06301138A EP 06301138 A EP06301138 A EP 06301138A EP 1788149 B1 EP1788149 B1 EP 1788149B1
Authority
EP
European Patent Office
Prior art keywords
textile
tracks
track
textile according
coated
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.)
Active
Application number
EP06301138A
Other languages
English (en)
French (fr)
Other versions
EP1788149A1 (de
Inventor
Carlos Saiz
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.)
Tissage et Enduction Serge Ferrari SA
Original Assignee
Tissage et Enduction Serge Ferrari SA
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 Tissage et Enduction Serge Ferrari SA filed Critical Tissage et Enduction Serge Ferrari SA
Priority to SI200630028T priority Critical patent/SI1788149T1/sl
Priority to PL06301138T priority patent/PL1788149T3/pl
Publication of EP1788149A1 publication Critical patent/EP1788149A1/de
Application granted granted Critical
Publication of EP1788149B1 publication Critical patent/EP1788149B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N7/00Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
    • D06N7/0092Non-continuous polymer coating on the fibrous substrate, e.g. plastic dots on fabrics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06NWALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00Properties of the materials
    • D06N2209/04Properties of the materials having electrical or magnetic properties
    • D06N2209/041Conductive

Definitions

  • the invention relates to the field of technical textiles, more particularly coated textiles. It is more particularly a coated textile that can be used in various applications to form tarpaulins and other flexible walls, in the field of industrial vehicles or architecture.
  • the invention is particularly aimed at textiles equipped with an arrangement for electrically detecting a laceration performed on the textile.
  • tarpaulins made of coated textile must have some resistance to laceration, so as to prevent accidental or intentional tearing, insofar as the tarpaulins are used to protect or contain goods.
  • Various solutions have already been proposed to improve the mechanical properties of flexible tarpaulins made of coated textile, which therefore inherently have a certain fragility.
  • it has been proposed to associate with the textile metal reinforcements which can be either contiguous to the coated textile, or integrated directly inside the coated textile, especially inside the textile core. .
  • the object of the invention is to provide a laceration detection system which does not significantly modify the mechanical properties of the textile, and which does not generate significant additional costs in its manufacture.
  • the invention therefore relates to a coated textile, which conventionally comprises a textile core covered on at least one of its faces with a coating layer.
  • This textile comprises a continuous track, which is made from an electrically conductive material. This track is deposited on the coating layer, and forms an electrical resistance that travels at least one area of the textile.
  • this track defines continuous patterns which form nested corrugations in one another.
  • the invention consists in producing an electrical circuit by producing a printed pattern, or more generally deposited on the textile.
  • This pattern thus defines a continuous circuit which, when cut, makes it possible to detect an attempted laceration.
  • the conductive material deposited on the textile being very thin, the mechanical properties of the textile are virtually unchanged, so the textile retains its flexibility and flexibility.
  • the printing of the characteristic pattern can be carried out on the textile during its manufacture, and more precisely after the coating operation, as a complementary finishing operation.
  • the characteristic track has rectilinear portions that are not too long, so as to prevent a laceration that would be parallel to them is not effectively detected.
  • the printed patterns have strong variations in direction, so that any laceration of sufficient length to be harmful, causes the cutting of the electrical circuit, and therefore its detection.
  • the more the patterns are interleaved the more it is difficult to perform a cutting of the fabric following the non-conductive spaces between the portions of electrical tracks, especially since the electrical circuit will be disposed on a non-visible face of the 'outside.
  • the tracks can be separated from each other by a distance of the order of one decimeter.
  • distance between the tracks is meant the distance separating the border of a track from the border of the adjacent track, measured along a perpendicular to the border of the track.
  • the textile may comprise two substantially identical tracks, and running side by side from each other, in a staggered manner.
  • the two tracks each form half of the characteristic electric circuit. They can therefore be electrically connected to one of their ends, so as to close the circuit between the two tracks.
  • the other two opposite ends form the two terminals of the circuit whose continuity must be monitored.
  • the electronic sensing circuit connects in a specific region of the textile, without the need for a return conductor to provide continuity with the opposite end of the track if the latter was unique.
  • one of the tracks acts as a return conductor advantageously occupying a portion of the surface of the textile.
  • a protective layer it may be advantageous to cover the conductive track with a protective layer, so as to avoid any risk of short circuit, and to prevent the degradation of the track because of the different contacts to which the textile may be subjected.
  • the characteristic track can be made in various ways, from conductive materials selected according to the application of the textile.
  • an ink or a conductive varnish can be used either an ink or a conductive varnish.
  • the ink or varnish can be deposited by inkjet printing, sublimation or transfer.
  • the varnish can be deposited by various techniques, including heliography, by means of a cylinder manufactured by gravure.
  • the track may be formed by the deposition of several superimposed layers.
  • the track may be formed of a primary structure consisting of a polymeric base varnish, continuously deposited during the manufacture of the textile.
  • the track also includes a secondary structure, deposited and connected to the primary structure by depositing a conductive ink, by inkjet printing in particular.
  • This secondary structure makes it possible, for example, to make particular connections for specific applications.
  • RFID radiofrequency identification tags
  • the ink of the track can be chosen to be invisible in the light of day, to avoid showing the areas between tracks, according to which a cutout would not cause detection.
  • the invention relates to a coated textile that can be used in multiple applications, and in particular for making the tarpaulins of trucks, but also the walls of capitals or other mobile architecture structure.
  • the coated textile can be produced in a very varied manner, both in terms of the embodiment of the textile core or its coating layers.
  • the coating layer it remains necessary, however, for the coating layer to have a satisfactory state of flatness in order to be able to receive, by a printing method, the characteristic tracks made with conductive ink.
  • conductive inks can be used, depending on the one hand, the coating layer which will be the support, and on the other hand, the desired electrical properties, as well as physicochemical conditions which will be exposed later tracks characteristics.
  • the inks include metal inks, including metal powders, and polymeric inks, in which conduction occurs through the properties conductive polymers such as polythiophene, polyaniline, and polypyrrole including.
  • ink layers can be achieved in various ways, by various printing processes such as screen printing, printing by inkjet techniques, or even by the use of an ink roller ( 20) as illustrated in figure 2 .
  • the shape and patterns of the conductive tracks can be very varied, and adopt in particular a configuration illustrated in FIG. figure 1 .
  • two conductive tracks (2, 3) run parallel, that is to say, remaining at a constant distance from one another.
  • These two tracks (2, 3) are at one end connected to each other by an electrical bridging (4).
  • the two tracks (2, 3) are connected to a device (5) illustrated schematically, and which is sensitive to a modification of the electrical resistance formed by a circuit formed by the two tracks (2, 3) .
  • This resistance is, in a conventional manner, a function of the total length of the track, and its section.
  • the inks used have resistances of a few tens to a few hundred square Ohms ( ⁇ ⁇ ), it being understood that this resistance is measured between the two sides of a square and therefore depends on the resistivity of the material and its thickness.
  • the geometry of the characteristic tracks (2, 3) has an important influence on the ability of the textile to generate an alarm in case of laceration.
  • Multiple geometries can be adopted, including those illustrated in figure 1 .
  • the tracks (2, 3) follow corrugated shapes, in the form of zigzags running on one side or the other of the equipped area.
  • the peaks (12) or peaks of the corrugation (11) penetrate the recessed areas (13) of the adjacent corrugation (10).
  • the undetectable rectilinear laceration of maximum length can take place at the level according to the dotted line (15) of the figure 1 and has substantially the length L of a unit ripple segment.
  • this unit segment length and more generally the pitch (p) of the corrugation, combined with the distance d separating two successive corrugations, as well as the width l of the tracks are chosen to limit the maximum size of the rectilinear lacerations from which it is desired to trigger an alarm.
  • the circuit of the figure 1 has two tracks (2, 3) with a width l of 5 centimeters, separated from each other by an insulating space of about one centimeter wide.
  • the pitch (p) between two undulations, that is to say at a distance separating two ripple peaks (13, 23), is of the order of 50 centimeters.
  • the distance D between two successive corrugations (10, 11) measured perpendicular to the tracks is of the order of 10 centimeters.
  • the invention covers multiple variants with respect to the geometry and shape of these tracks.
  • the face of the textile supporting the conductive tracks may advantageously be covered with a complementary layer, typically a varnish of the insulating acrylic type.
  • a complementary layer typically a varnish of the insulating acrylic type.
  • Such a fabric may be used either alone or in combination with reinforcing structures, such as textiles based on metal son, marketed by the Applicant under the DEFENDER ®.
  • the textile according to the invention has the advantage of allowing the establishment of an alarm system of changes in the mechanical parameters and / or the integrity of the textile, and without requiring the addition of a particular costly mechanism.
  • the characteristic tracks can be present on the textile, and be connected to an alarm system at any time.
  • the textile according to the invention can, as already mentioned, be used as a tarpaulin truck or more generally any flexible architectural structure.
  • the characteristic electric tracks can be used for the detection of the attempted laceration, but also for the detection of mechanical stresses exerted on the fabric, the tracks playing the role of strain gauge. These gauges can for example be used to follow the evolution over time of the mechanical properties of large textile structures, and typically their elongation under load and fluings.
  • This same electrical resistance can be used in the context of fire detection, since a significant rise in temperature can vary the electrical resistance of the tracks, a variation that can be detected by an appropriate device.
  • the analysis of the variation of the electrical resistance makes it possible to measure the temperature and the solar flux received by the solar protection textiles.
  • control / control servo devices can be interfaced with such sensors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Woven Fabrics (AREA)

Claims (9)

  1. Beschichteter Faserstoff (1), der einen textilen Kern umfasst, der auf mindestens einer seiner Seiten mit einer Beschichtung bedeckt ist, und eine durchgehende Bahn (2, 3) umfasst, die auf der Basis eines elektrisch leitenden Werkstoffs hergestellt ist, der auf die Beschichtung aufgetragen ist und einen mindestens eine Zone des Faserstoffs durchlaufenden elektrischen Widerstand bildet, dadurch gekennzeichnet, dass die Bahn ein kontinuierliches Muster bildet, das ineinander verschachtelte Wellen (10, 11) bildet.
  2. Beschichteter Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Wellen (10, 11) in einem Abstand D von der Größenordnung eines Dezimeters voneinander angeordnet sind.
  3. Beschichteter Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass er zwei im Wesentlichen identische, versetzt nebeneinander verlaufende Bahnen (2, 3) umfasst.
  4. Beschichteter Faserstoff nach Anspruch 3, dadurch gekennzeichnet, dass die beiden Bahnen (2, 3) an einem ihrer Enden (4) elektrisch verbunden sind.
  5. Beschichteter Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass er eine die leitende Bahn bedeckende Schutzschicht umfasst.
  6. Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Bahn aus leitender Tinte bzw. Farbe oder leitendem Lack hergestellt ist.
  7. Faserstoff nach Anspruch 6, dadurch gekennzeichnet, dass die Bahn durch Heliografie, Tintenstrahldruck, Sublimation oder Transfer hergestellt ist.
  8. Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Tinte bzw. Farbe der Bahn bei Tageslicht unsichtbar ist.
  9. Faserstoff nach Anspruch 1, dadurch gekennzeichnet, dass die Bahn durch Auftrag von mehreren übereinander gelegten Schichten hergestellt ist.
EP06301138A 2005-11-17 2006-11-09 Beschichtetes textiles Flächengebilde Active EP1788149B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200630028T SI1788149T1 (sl) 2005-11-17 2006-11-09 Prevlečeni tekstil
PL06301138T PL1788149T3 (pl) 2005-11-17 2006-11-09 Tkanina powlekana

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0553496A FR2893330A1 (fr) 2005-11-17 2005-11-17 Textile enduit

Publications (2)

Publication Number Publication Date
EP1788149A1 EP1788149A1 (de) 2007-05-23
EP1788149B1 true EP1788149B1 (de) 2008-03-12

Family

ID=36869885

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06301138A Active EP1788149B1 (de) 2005-11-17 2006-11-09 Beschichtetes textiles Flächengebilde

Country Status (8)

Country Link
EP (1) EP1788149B1 (de)
AT (1) ATE389051T1 (de)
DE (1) DE602006000700T2 (de)
ES (1) ES2301148T3 (de)
FR (1) FR2893330A1 (de)
PL (1) PL1788149T3 (de)
PT (1) PT1788149E (de)
SI (1) SI1788149T1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2489561A2 (de) 2011-02-18 2012-08-22 Sioen Industries NV Elastische Abdeckplane mit Manipulationserfassung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023128975A1 (de) 2023-10-20 2025-04-24 Erhard Binder Risserkennungseinrichtung und Objekt mit zumindest einer solchen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5385785A (en) * 1993-08-27 1995-01-31 Tapeswitch Corporation Of America Apparatus and method for providing high temperature conductive-resistant coating, medium and articles
FR2821630B1 (fr) * 2001-03-02 2003-06-27 Ferrari S Tissage & Enduct Sa Tissu possedant des proprietes anti-laceration
FR2830539B1 (fr) * 2001-10-10 2004-02-20 Ferrari S Tissage & Enduct Sa Tissu incorporant des fils metalliques
US6668380B2 (en) * 2002-02-28 2003-12-30 Koninklijke Philips Electronics N.V. Selectively detachable and wearable electrode/sensors
EP1542861B1 (de) * 2002-09-16 2018-10-17 Sage Automotive Interiors, Inc. Textilie zur ableitung von elektrostatischer aufladung und herstellungsverfahren dafür

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2489561A2 (de) 2011-02-18 2012-08-22 Sioen Industries NV Elastische Abdeckplane mit Manipulationserfassung

Also Published As

Publication number Publication date
FR2893330A1 (fr) 2007-05-18
EP1788149A1 (de) 2007-05-23
ES2301148T3 (es) 2008-06-16
DE602006000700D1 (de) 2008-04-24
SI1788149T1 (sl) 2008-06-30
PL1788149T3 (pl) 2008-08-29
ATE389051T1 (de) 2008-03-15
PT1788149E (pt) 2008-03-31
DE602006000700T2 (de) 2009-03-19

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