EP0893523B1 - Tissu en forme de grille - Google Patents

Tissu en forme de grille Download PDF

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Publication number
EP0893523B1
EP0893523B1 EP98112123A EP98112123A EP0893523B1 EP 0893523 B1 EP0893523 B1 EP 0893523B1 EP 98112123 A EP98112123 A EP 98112123A EP 98112123 A EP98112123 A EP 98112123A EP 0893523 B1 EP0893523 B1 EP 0893523B1
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EP
European Patent Office
Prior art keywords
threads
weft
fabric
standing
grid
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.)
Expired - Lifetime
Application number
EP98112123A
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German (de)
English (en)
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EP0893523A1 (fr
Inventor
Niels Wendland
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Individual
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Individual
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/006—With additional leno yarn
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/267—Glass
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D19/00—Gauze or leno-woven fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D9/00—Open-work 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
    • D10B2101/00—Inorganic fibres
    • D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
    • D10B2101/06—Glass
    • 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
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • 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
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • 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
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • 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

Definitions

  • Lattice fabrics are woven fabrics consisting of a stand (or also Warp) and a weft system, where basically three types of mesh fabric distinguishes: “full-turn” (or “full turn”), "cross-turn” and "half-turn”
  • Full spiners are so named because they are wrapped around the upright and weft threads
  • Leno thread is used which makes a full turn around the upright thread, before a shot is fired. Before the next shot, the leno thread is made another full turn in the opposite direction. Because in use conventional weaving machines for this technology, rational production is not possible full-turn is rarely the case.
  • Phillips have one type of binding, two for each group Leno threads are crossed over one or more upright threads.
  • the binding achieved in this way is mainly thanks to its special sliding resistance used for tying cut edges. With usual weaving machines with normal leno harnesses this binding is very easy complicated, which is why special cutting strips are usually used.
  • Half-turn also become "English lathe” or “Polish Dreher ".
  • This type includes lattice fabrics, which for example only have an upright and a turner per group.
  • a leno fabric according to the state of the art can be seen in FIG. 2: This is a Turner fabric with one upright thread and one leno thread per group. This is the most common type of tissue in practice. Just this composition makes it possible to use the economically efficient high / low shifter technology.
  • a leno weave is also described in GB 1 082 684 A.
  • the invention relates to the latter group.
  • Half-spin fabric produced inexpensively in known weaving machines (more information the company brochure "Hoch / Tiefachach-Drehertechnik” is available for this purpose E. Fröhlich AG, CH-8874 Mühlehorn). They come because of their favorable weight-strength ratio also for high-speed abrasive tools as a carrier material for use.
  • the structure of the mesh has different elongations at break in the fabric different directions. Comes in the direction of the extension of the weft threads their elongation behavior to the effect, perpendicular to this is the elongation behavior of upright and leno threads. Now such a tissue is rotating offset, it does not expand evenly in both due to the flow forces Directions.
  • the invention has for its object a lattice fabric of the known type, for use as a carrier material in abrasive tools, to improve such that the strength and the elongation behavior in the direction of Weft threads and in the direction of the upright threads are essentially the same, and so there are no restrictions on use with fast rotating Abrasive tools must be made when using the mesh. Furthermore should Ensure that the upright threads are only used in the manufacture of the mesh are subjected to less stress, which the strength values of the threads affect. The aim is also to improve the improved mesh to manufacture using less material, so that it is inexpensive.
  • the solution to the problem by the invention is characterized in that only in the mesh fabric used the weft threads (1) and the upright threads (2) have essentially the same material properties and strength values, especially tensile strength, elongation behavior and bending stiffness, and the leno threads (3) as auxiliary warp threads in Contrary to the weft or upright threads (1, 2) made of a stretchable fiber exist much lower titer. It is preferably provided that the weft threads (1) and upright threads (2) run essentially straight and the Leno threads (3) intertwine around weft and upright threads (1, 2).
  • weft threads and Upright threads are arranged at right angles to each other and largely remain just. This also ensures that the upright threads at Processing will not be damaged because they are not significantly bent have to. Rather, only a comparatively thin leno thread loops as Auxiliary warp thread around upright and weft thread: The leno thread is bent, while the main thread and the weft thread remain largely straight; the for The stretching leno thread alone creates the necessary turn applied.
  • the titer (ie the ratio of weight per length) is advantageously of Weft thread (1) and upright thread (2) largely the same; the titer of the leno thread (3) is preferably at most 25% of that of the weft or stand thread (1, 2), or even a maximum of 15% of it.
  • weft and upright threads (1, 2) are made of a glass fiber consist.
  • the leno threads (3) preferably consist of a conventional one Fabric fiber, in particular from a smooth fiber made of plastic.
  • As material for the leno threads (3) are preferably polyester, polyamide or Dralon®.
  • the weft and upright threads (1, 2) can have a titer of 34 to 9,600 tex, preferably 68 to 1,200 tex.
  • the leno threads (3) have preferred a titer of 20 to 200 dtex.
  • the spacing between the wefts (1) or the upright threads (2) is advantageously from 2 x 2 to 14 x 14 mm.
  • the fabric grid according to the invention is used as a carrier material in Abrasive tools used. It is primarily on grinding, cutting or Grinding discs thought.
  • mesh grids can also be used in construction, and both as reinforcing mesh or as joint cover strips.
  • the known lattice fabric shown in FIG. 2 consists of three types of thread: A row of weft threads 1 are arranged parallel to one another at the desired lattice spacing. A series of upright threads 2, which are likewise arranged parallel to one another at the desired grid spacing, run perpendicular to these. Furthermore, the fabric has a number of leno threads 3. These leno threads are intertwined with the upright threads 2 around the weft threads 1, so that a so-called leno fabric is obtained.
  • the weft threads 1 arranged parallel to one another and the upright threads 2 arranged perpendicular to one another and parallel to one another do not cross, but rather are arranged one above the other; in the figure, the upright threads 2 are always below the weft threads 1.
  • the fabric shown is produced in a known manner in a weaving machine which uses the high / low shed turning technique.
  • the fabric shown is therefore a half-turn fabric (or leno fabric) that has only one upright 2 and one leno 3 per group.
  • upright threads 2 and leno threads 3 wind together around one another and around the weft threads 1, so that the desired bond is produced. Since essentially identical pillars 2 and turner 3 are always used, it follows that both pillars 2 and turner 3 are bent after the weaving process. This may affect the strength of the two fiber groups, since the bend cannot rule out the possibility of fiber injury.
  • the fabric of the invention - shown in Fig. 1 - differs from this prior art in that the wefts 1 and Upright threads 2 have essentially the same material properties and strength values have: As can be seen, the dimensions (diameter) of the threads 1 and 2 substantially the same size, d. H. the titers are the same or similar. Still is to see that the leno threads 3 compared to the weft or upright threads 1, 2 a much smaller diameter, ie a much lower titer and thus also have a significantly lower tensile strength and bending stiffness. Thus the leno threads nestle - as can be seen in Fig. 1 - around the Upright threads 2 and the weft threads 1 around without the upright threads 2 one significant bend are exposed. Rather, the upright threads 2 remain straight - The weft threads 1 are there anyway.
  • fibers 3 are preferably used as leno threads that are less than have a quarter of the titer of the upright or weft threads 1, 2 (in the exemplary embodiment if it is only about a tenth of the titer of threads 1 or 2), the strength drops of the leno thread 3 is not important for the fabric: the strength becomes alone determined by that of the weft and stand threads 1, 2. Because this is essentially is the same, there is an equal total strength of the fabric both in Direction of the weft threads 1 as well as in the direction of the upright threads 2. Incoming such a fabric is used as a carrier material for a rotating grinding tool, there are no different strains in the two mentioned Directions so that the grinding wheel runs better and a higher burst speed Has.
  • the mesh fabric according to the invention is produced in a manner known per se Wise.
  • Well-known weaving machines are used (e.g. rapier weaving machines from the Dornier company) and well-known high / low shifter turning systems (e.g. from the Grob), where two warp beams are used: one warp beam the upright thread is guided, in the other the leno thread. Both threads are processed with essentially the same thread tension. Due to the This results in different strength values of the standard thread and leno thread Fabric sketched in Fig. 1: The upright threads 2 become essentially straight arranged, while the leno threads 3 around the upright threads 2 and Arrange weft threads 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Woven Fabrics (AREA)
  • Materials For Medical Uses (AREA)

Claims (12)

  1. Utilisation d'un tissu grillagé (tissu en forme de grille) comme matière support dans des outils abrasifs, notamment dans des disques d'affûtage, de séparation ou d'ébauchage, comme tissu armé et bande de couverture de joints dans le secteur de la construction,
    le tissu grillagé consistant en
    un certain nombre de fils de trame (1) qui sont disposés parallèlement les uns aux autres à un écartement souhaité de la grille,
    un certain nombre de fils verticaux (2) s'étendant perpendiculairement aux fils de trame (1), qui sont également disposés parallèlement les uns aux autres à un écartement souhaité de la grille, et
    un certain nombre de fils torsadés (3) qui s'entrelacent autour des fils de trame (1) et des fils verticaux (2) à la façon d'un tissu torsadé,
    caractérisée en ce que, dans le tissu grillagé,
    les fils de trame (1) disposés parallèlement les uns aux autres et les fils verticaux (2) disposés parallèlement les uns aux autres perpendiculairement à ceux-ci ne se croisent pas,
    seulement les fils de trame (1) et les fils verticaux (2) présentent les mêmes propriétés de matière et valeurs de résistance, notamment de résistance à la traction, comportement à l'extension et résistance à la flexion, et
    les fils de trame (1) disposés parallèlement les uns aux autres et les fils verticaux (2) disposés parallèlement les uns aux autres perpendiculairement consistent en une fibre à faible extension et que les fils torsadés (3) consistent en une fibre extensible à titre sensiblement plus faible que le titre des fils de trame et verticaux (1, 2), le titre des fils torsadés (3) représentant au plus 25 % du titre des fils de trame et verticaux (1, 2).
  2. Utilisation selon la revendication 1, caractérisée en ce que les fils de trame (1) et les fils verticaux (2) du tissu grillagé s'étendent en ligne droite et que les fils torsadés (3) s'entrelacent autour des fils de trame et verticaux (1, 2).
  3. Utilisation selon la revendication 1 ou 2, caractérisée en ce que les titres des fils de trame (1) et des fils verticaux (2) du tissu grillagé sont identiques.
  4. Utilisation selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le titre des fils torsadés (3) du tissu grillagé représente au plus 15 % du titre des fils de trame et verticaux (1, 2).
  5. Utilisation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les fils de trame et verticaux (1, 2) du tissu grillagé consistent en une fibre de verre.
  6. Utilisation selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les fils torsadés (3) du tissu grillagé consistent en une fibre en matière plastique.
  7. Utilisation selon la revendication 6, caractérisée en ce que les fils torsadés (3) du tissu grillagé consistent en polyester, polyamide ou dralon.
  8. Utilisation selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le tissu grillagé est revêtu d'une matière plastique.
  9. Utilisation selon la revendication 8, caractérisée en ce que le revêtement en matière plastique du tissu grillagé consiste en caoutchouc de synthèse, résine de phénol ou résine époxy.
  10. Utilisation selon l'une quelconque des revendications 1 à 9, caractérisée en ce que les fils de trame et verticaux (1, 2) du tissu grillagé ont un titre de 34 à 9 600 tex, de préférence 68 à 1 200 tex.
  11. Utilisation selon l'une quelconque des revendications 1 à 10, caractérisée en ce que les fils torsadés (3) du tissu grillagé ont un titre de 20 à 200 tex.
  12. Utilisation selon l'une quelconque des revendications 1 à 11, caractérisée en ce que l'écartement de grillage du tissu grillagé entre les fils de trame (1) est de 2 x 2 à 14 x 14 mm et que l'écartement de grillage entre les fils verticaux (2) est de 2 x 2 à 14 x 14 mm.
EP98112123A 1997-07-16 1998-07-01 Tissu en forme de grille Expired - Lifetime EP0893523B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19730393 1997-07-16
DE19730393A DE19730393C2 (de) 1997-07-16 1997-07-16 Gittergewebe

Publications (2)

Publication Number Publication Date
EP0893523A1 EP0893523A1 (fr) 1999-01-27
EP0893523B1 true EP0893523B1 (fr) 2003-11-12

Family

ID=7835827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112123A Expired - Lifetime EP0893523B1 (fr) 1997-07-16 1998-07-01 Tissu en forme de grille

Country Status (3)

Country Link
EP (1) EP0893523B1 (fr)
AT (1) ATE254197T1 (fr)
DE (2) DE19730393C2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044788B3 (de) * 2005-09-19 2006-11-02 Lindauer Dornier Gmbh Drehergewebe, insbesondere für Funktionstextilien
ITTO20050193A1 (it) * 2005-03-25 2006-09-26 Roberto Bernasconi Prodotti tessili per abbigliamento
DE102005022567A1 (de) * 2005-05-17 2006-11-23 Bst Safety Textiles Gmbh Gewebtes textiles Flächengebilde
DE102005043386A1 (de) * 2005-09-10 2007-03-15 Beltec Industrietechnik Gmbh Bewehrungskörper aus faserverstärktem Kunststoff

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1082684A (en) * 1963-04-19 1967-09-06 Smith & Nephew Improvements in and relating to openwork woven fabrics
DE2110331A1 (de) * 1971-03-04 1972-09-14 Burlington Industries Inc Gewebe mit Dreherbindungen
FR2214001A1 (en) * 1973-01-16 1974-08-09 Tissmetal Lionel Dupont Gauze fabric for reinforcing elastomeric material - including superimposed warp and weft layers held together by tying yarns
DE3120661C2 (de) * 1981-05-23 1986-08-07 Huesker Synthetic GmbH & Co, 4423 Gescher Gittergewebe, insbesondere zum Bewehren von Platten und Schichten
US5110656A (en) * 1989-03-15 1992-05-05 Kanebo Ltd. Impregnated leno fabric and reinforced inorganic matrix article
CA2046021C (fr) * 1990-07-05 2001-09-04 John Frederick Porter Armature pour elements muraux
US5763043A (en) * 1990-07-05 1998-06-09 Bay Mills Limited Open grid fabric for reinforcing wall systems, wall segment product and methods of making same
DE19520541C2 (de) * 1995-06-03 1999-01-14 Bwg Bergwerk Walzwerk Verfahren und Vorrichtung zum Korrigieren eines gewalzten, in der Bandebene horizontal gebogenen Metallbandes, insbesondere eines Metallbandes mit einer Banddicke von 0,5 mm bis 2,0 mm
DE19530541C2 (de) * 1995-08-19 1999-05-20 Lueckenhaus Tech Textilien Gmb Gittergewebe
DE29712595U1 (de) * 1997-07-16 1997-10-16 Wendland, Niels, 37242 Bad Sooden-Allendorf Gittergewebe

Also Published As

Publication number Publication date
DE19730393C2 (de) 2001-02-08
ATE254197T1 (de) 2003-11-15
DE19730393A1 (de) 1999-01-21
EP0893523A1 (fr) 1999-01-27
DE59810128D1 (de) 2003-12-18

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