EP2155944B1 - Struktur aus gewirktem stoff auf basaltbasis - Google Patents

Struktur aus gewirktem stoff auf basaltbasis Download PDF

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Publication number
EP2155944B1
EP2155944B1 EP08805844.1A EP08805844A EP2155944B1 EP 2155944 B1 EP2155944 B1 EP 2155944B1 EP 08805844 A EP08805844 A EP 08805844A EP 2155944 B1 EP2155944 B1 EP 2155944B1
Authority
EP
European Patent Office
Prior art keywords
textile structure
basalt
knitting
knit
basalt fibre
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
EP08805844.1A
Other languages
English (en)
French (fr)
Other versions
EP2155944A2 (de
Inventor
Jacques Tankere
Jean-Paul Ducol
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.)
MDB Texinov SA
Original Assignee
MDB Texinov 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 MDB Texinov SA filed Critical MDB Texinov SA
Publication of EP2155944A2 publication Critical patent/EP2155944A2/de
Application granted granted Critical
Publication of EP2155944B1 publication Critical patent/EP2155944B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411—Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02412—Fabric incorporating additional compounds enhancing mechanical properties including several arrays of unbent yarn, e.g. multiaxial fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters

Definitions

  • the invention relates to a knitted textile structure using basalt fibers. It also relates to the applications of such a structure especially in the context of the realization of non-fire barriers also called firebreak.
  • the invention also relates to this structure in its application as thermal insulation, electrical insulation and composite reinforcement.
  • a highly elastic glass fiber structure is known from the document US 5,065,601 .
  • basalt In the context of textile structures more particularly intended to be subjected to a high temperature, it is known to use basalt, whose inertia in a chemical medium is well known, and whose resistance to high temperatures is implemented in a number of applications.
  • the basalt fibers obtained with the technologies available to date have the disadvantage of being very brittle, so that their integration into textile structures is only done by weaving, or by juxtaposition of fibers. that is to say, is performed only for fiber runs with a very high radius of curvature in limitingly rectilinear introduction. In doing so, the integration of such basalt fibers in the textile structures does not provide the possibility of extensibility or controlled deformation, necessary for certain applications.
  • the invention therefore relates to a textile structure composed of a knit, itself made from basalt fibers, said knit being obtained by Jet or Chain knit technology type Rachel.
  • the document DE202004007601 discloses a multiaxial scrim comprising a plurality of layers of threads placed one over the other.
  • This canvas offers good conformability and drapeability, has a great homogeneity and has a smooth surface.
  • the scrim includes unidirectional yarns that can be made of basalt fiber.
  • the reinforcing fabric may be composed of, among other things, a knit made from basalt fibers obtained by throwing knit technology. The realization of this knit does not specify, however, whether particular precautions are taken to avoid a break in basalt fiber yarns.
  • basalt fibers can be integrated into a knit fabric despite the high radius of curvature of said fibers, below which there is a risk of breaking of said fiber.
  • the invention is directed to a method for producing such a textile structure.
  • This method comprises a step of knitting basalt fiber yarns using chaine or Rachel type knitted mesh technology, in which the basalt fiber yarns are fed in a positive manner and virtually -buffer at the knitting organs.
  • this extensibility can be obtained both in the production direction and in the cross direction, or possibly in both directions.
  • Extensibility is defined here as the ratio of additional length obtained by traction without breaking with respect to the initial length. In the case of a biextensible, this measurement is exerted by pulling in two perpendicular directions simultaneously, always remaining in the proportion of the breaking forces of each of the directions.
  • the knit forms a grid obtained by partial frames in Jet or Chain type mesh technology.
  • the knitted textile structure can be locked in production direction or in cross direction by inserting a basalt wire in one or the other direction, depending on the desired blocking direction.
  • the textile structure thus knitted can also incorporate binding yarns, typically made of polyester, polyaramides or Nomex® (para-aramid) in the case of open mesh grid with partial wefts, in order to hold the structure mechanically.
  • binding yarns typically made of polyester, polyaramides or Nomex® (para-aramid) in the case of open mesh grid with partial wefts, in order to hold the structure mechanically.
  • the blocking of the textile structure can also be obtained in both directions, that is to say, production direction and cross direction by the implementation of the knit technology to knit stitches with front insertion of weft and without embossing.
  • the invention also relates to the complex structure associating the textile structure of the invention with a layer of a woven material, knitted or nonwoven or film, depending on the desired use of the structure thus obtained and in particular in the framework of cold insulation or fire.
  • the figure 1 is a view of the prior art already described with the limitations already mentioned in terms of extensibility.
  • the warp and weft threads are made of basalt, using a conventional loom.
  • the extensibility of the structure is reduced to that of the son that constitute it, and is therefore almost zero.
  • the traditional installations, and in particular the Rachel loom are modified by making it possible to bring said basalt yarns in a positive and almost overflow manner to the knitting members. , in order to leave some latitude to the formation of the loops of stitches. In such conditions, the basalt yarns do not undergo excessive tension and therefore do not risk being broken or deteriorated during the various movements to which they are subjected on the knitting members.
  • the so-called "slaughtering phase” is particularly controlled when the needle goes down to form precisely the loop of the mesh.
  • the son loops By controlling the stroke of said needles, it is possible for the son loops to keep their natural radius of curvature minimum, without creating harmful extension that could be at the origin of breakage son.
  • the knitted structure in the two main directions, namely cross-direction and weft direction ( figure 6 ).
  • the inserted wires, respectively in the cross direction and in the production direction can be basalt, or another material (glass, polyester, aramid, Nomex®) depending on the purpose of the application of said structure.
  • This structure is then completely blocked, and may in particular have an extensibility of less than or equal to 2% in both directions.
  • the dimension of the orifices that it defines is determined according to the gauge of the knitting machine, the density of the warp and weft threads, as well as the nature of the threads used.
  • said structure can be used as a filter medium, in particular for the filtration of highly corrosive or chemically very active substances.
  • this structure can also be implemented for the realization of pipe lining, including sewers where the material must withstand very aggressive chemical attacks.
  • binding son themselves made of basalt, or polyester, aramid, para-aramid, well known under the trade name Nomex®, or the polyaramid.
  • a gate with a predetermined opening, the opening of which can be adjustable, typically from 2 mm to 6 cm on the side, which can then serve as an electrical insulator for example.
  • the knitted structure 1, 2 thus obtained may also be associated with a layer of woven material, knitted or a nonwoven 4, or even a film.
  • the additional structure thus associated is inserted in the Rachel type machine previously described in the form of a continuous support. It is associated with the nonwoven 4 by means of a binding thread 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)

Claims (8)

  1. Herstellungsverfahren einer Textilstruktur, bestehend aus einem gewirkten Gewebe auf Basaltfaserbasis, das eine Etappe des Strickens von Fäden auf Basaltfaserbasis unter Verwendung einer Ketten- oder Rachel-Stricktechnik umfasst, dadurch gekennzeichnet, dass die besagten Fäden auf Grundlage von Basaltfasern auf positive Art und quasi im Überfluss den Strickorganen zugeführt werden.
  2. Textilstruktur bestehend aus einem Gewirke, welches auf Basaltfaserbasis hergestellt ist und gemäß dem Verfahren gemäß Anspruch 1 erzielt worden ist, dadurch gekennzeichnet, dass sie eine Ausdehnungskapazität von 10 bis 80% aufweist.
  3. Textilstruktur bestehend aus einem Gewirke, welches auf Basaltfaserbasis hergestellt ist und gemäß dem Verfahren gemäß Anspruch 1 erzielt worden ist, dadurch gekennzeichnet, dass besagtes Gewirke ein Gitter bildet, welches durch Maschen gemäß der Ketten- oder Rachel-Stricktechnik erzielt wird.
  4. Textilstruktur bestehend aus einem Gewirke, welches auf Basaltfaserbasis hergestellt ist und gemäß dem Verfahren gemäß Anspruch 1 erzielt worden ist, dadurch gekennzeichnet, dass sie in Quer- oder Produktionsrichtung durch Einfügen eines Basaltfadens in die eine oder die andere Richtung, je nach der gewünschten Blockier-Richtung blockiert wird.
  5. Textilstruktur bestehend aus einem Gewirke, welches auf Basaltfaserbasis hergestellt ist und gemäß dem Verfahren gemäß Anspruch 1 erzielt worden ist, dadurch gekennzeichnet, dass sie in beide Richtungen, jeweils in die Querrichtung und in die Produktionsrichtung, durch Einfügen eines Basaltfadens in beide Richtungen und durch Umsetzung der Kettenstricktechnik mit frontalem Eintrag des Schusses und ohne Schussfadenverkürzung blockiert ist.
  6. Textilstruktur gemäß Anspruch 5, dadurch gekennzeichnet, dass sie eine Dehnungskapazität von maximal 2 % hat.
  7. Textilstruktur bestehend aus einem Gewirke, welches auf Basaltfaserbasis hergestellt ist und gemäß dem Verfahren gemäß Anspruch 1 erzielt worden ist, dadurch gekennzeichnet, dass sie ebenfalls Bindefäden integriert, welche typischerweise aus Polyester, Polyaramid oder Nomex® (Para-Aramid) bestehen.
  8. Komplexe Textilstruktur, bestehend aus einer Textilstruktur gemäß einem der Ansprüche 2 bis 7, mit einer Schicht Gewebe, Gewirke oder Vliesstoff (4) oder einer Folie, wobei diese Assoziierung durch Verwendung von Bindefäden (3) durchgeführt wird.
EP08805844.1A 2007-06-06 2008-05-23 Struktur aus gewirktem stoff auf basaltbasis Active EP2155944B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0755510A FR2917100B1 (fr) 2007-06-06 2007-06-06 Structure textile tricotee a base de basalte.
PCT/FR2008/050900 WO2009000990A2 (fr) 2007-06-06 2008-05-23 Structure textile tricotee a base de basalte

Publications (2)

Publication Number Publication Date
EP2155944A2 EP2155944A2 (de) 2010-02-24
EP2155944B1 true EP2155944B1 (de) 2016-09-07

Family

ID=39167795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805844.1A Active EP2155944B1 (de) 2007-06-06 2008-05-23 Struktur aus gewirktem stoff auf basaltbasis

Country Status (3)

Country Link
EP (1) EP2155944B1 (de)
FR (1) FR2917100B1 (de)
WO (1) WO2009000990A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11691379B2 (en) * 2019-06-20 2023-07-04 Milliken & Company Fire-resistant textile composite
CN116555976B (zh) * 2023-05-15 2023-10-13 肃宁县中原纺织有限责任公司 适用于火炮装备的绝热性材料制备方法及其系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065601A (en) * 1987-12-02 1991-11-19 Schweizerische Gesellschaft Fur Tuillindustries, Ag Stretchable raschel goods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2654751B1 (fr) * 1989-11-22 1992-02-28 Rousset Joseph Nouveau materiau destine notamment a etre utilise comme coupe-feu.
US20040185734A1 (en) * 2003-03-21 2004-09-23 Gray Hugh Douglas Reinforced fabric substrate and method for making the same
DE202004007601U1 (de) * 2004-05-12 2004-11-04 P-D Glasseiden Gmbh Oschatz Multiaxialgelege

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5065601A (en) * 1987-12-02 1991-11-19 Schweizerische Gesellschaft Fur Tuillindustries, Ag Stretchable raschel goods

Also Published As

Publication number Publication date
WO2009000990A3 (fr) 2009-04-16
FR2917100A1 (fr) 2008-12-12
FR2917100B1 (fr) 2009-08-28
EP2155944A2 (de) 2010-02-24
WO2009000990A2 (fr) 2008-12-31

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