EP2089565A1 - 3d composite fabric - Google Patents

3d composite fabric

Info

Publication number
EP2089565A1
EP2089565A1 EP07858424A EP07858424A EP2089565A1 EP 2089565 A1 EP2089565 A1 EP 2089565A1 EP 07858424 A EP07858424 A EP 07858424A EP 07858424 A EP07858424 A EP 07858424A EP 2089565 A1 EP2089565 A1 EP 2089565A1
Authority
EP
European Patent Office
Prior art keywords
fibers
weft
columns
warp
fiber
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
EP07858424A
Other languages
German (de)
French (fr)
Other versions
EP2089565B1 (en
Inventor
Patrick Dunleavy
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.)
Safran Landing Systems SAS
Original Assignee
Messier Dowty 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 Messier Dowty SA filed Critical Messier Dowty SA
Priority to PL07858424T priority Critical patent/PL2089565T3/en
Publication of EP2089565A1 publication Critical patent/EP2089565A1/en
Application granted granted Critical
Publication of EP2089565B1 publication Critical patent/EP2089565B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D25/00—Woven fabrics not otherwise provided for
    • D03D25/005—Three-dimensional woven fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • 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
    • D03D13/004—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 with weave pattern being non-standard or providing special effects
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S139/00—Textiles: weaving
    • Y10S139/01—Bias fabric digest
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/3195—Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]

Abstract

Woven fabric comprises weft and warp fibers arranged in a structure with a base unit comprising 28 weft fibers forming 8 parallel columns and 12 warp fibers arranged in four parallel staggered planes. Woven fabric comprises weft and warp fibers arranged in a structure with a base unit comprising 28 weft fibers forming 8 parallel columns, in which columns 1, 3, 5 and 7 each comprise four fibers and columns 2, 4, 6 and 8 each comprise three fibers, where the columns are equally spaced and the weft fibers extend in seven levels transverse to the columns; and 12 warp fibers arranged in four parallel staggered planes, namely a first plane in which a first warp fiber passes over the first weft fiber of column 1, under the second weft fiber of column 5 and over the first weft fiber of column 1 in the next unit, and second and third warp fibers extend parallel to the first warp fiber; a second plane in which a first warp fiber extends parallel to the seven levels and passes above the first weft fiber of columns 2, 4, 6 and 8 and under the first weft fiber of columns 1, 3, 5 and 7; a third plane in which three warp fibers extend parallel to the warp fibers of the first plane; and a fourth plane in which three warp fibers extend parallel to the warp fibers of the second plane so that they pass under the weft fibers of columns 2, 4, 6 and 8. An independent claim is also included for a part produced from a fabric as above.

Description

Tissu composite 3D 3D composite fabric
L'invention concerne un tissu composite 3D. ARRIERE-PLAN DE L'INVENTIONThe invention relates to a 3D composite fabric. BACKGROUND OF THE INVENTION
La présente invention concerne un tissu à armature optimisée, du type à multiplis liés, qui peut être utilisé pour la production de pièces en matériau composite qui sont très sollicitées en tension, compression oμ flexion, et/ou soumises à des impacts. Parmi de telles- pièces, on peut par exemple citer les contrefiches d' atterrisseurs .The present invention relates to an optimized reinforcement fabric, of the multilayer type, which can be used for the production of composite material parts which are highly stressed in tension, compression or bending, and / or subjected to impacts. Among such parts, for example, the struts of undercarriages.
On connaît des structures textiles, appelées ID ou 2D selon que leurs fibres s'étendent dans une seule direction ou dans deux directions différentes. Ces structures, en général, ne permettent pas de répondre efficacement aux sollicitations précitées . Les structures dites 3D, comportant des fibres s ' étendant selon trois directions distinctes dans l'espace, sont plus à même de ré- pondre auxdites sollicitations. On sait qu'il existe des structures dites 4D, 5D, 9D, HD... comportant des fibres s ' étendant selon un nombre plus important de directions distinctes, mais ces structures sont très complexes et leur production est difficilement automatisable. L'invention a donc trait plus particulièrement aux structures textiles 3D.Textile structures, called ID or 2D, are known depending on whether their fibers extend in one direction or in two different directions. These structures, in general, do not make it possible to respond effectively to the aforementioned requests. The so-called 3D structures, comprising fibers extending in three distinct directions in space, are better able to respond to said stresses. It is known that there exist structures called 4D, 5D, 9D, HD ... having fibers extending in a larger number of distinct directions, but these structures are very complex and their production is difficult to automate. The invention therefore relates more particularly to 3D textile structures.
Parmi celles-ci, on connaît des structures 3D comportant une pluralité de couches liées par des points de liaison. Ces structures sont connues pour présenter une bonne linéarité lors de la flexion des fibres de trame, et offrent l'avantage de comporter des renforcements. Cependant, cette méthode de liaison ne confère pas à la pièce produite à partir d'un tel tissu une bonne résistance aux impacts. On connaît également des tissus multiplis liés par tissage, le tissu 3D de type orthogonal (dans lequel les fibres de liaison des plis s'étendent sensiblement orthogonalement aux plis) étant celui qui présente la meilleure linéarité (c'est-à-dire un parcours avec des angles de liaison ou des inflexions faibles) des fibres de trame et des fibres de chaîne, et qui résiste bien à la compression. Cependant, afin que ce tissu présente une fraction volumique de fibres intéressante, il doit être compressé de vant à les fortes leur néaire, ce qui ne leur permet pas de contribuer efficacement au transfert d'efforts.Among these, there are known 3D structures comprising a plurality of layers linked by connection points. These structures are known to have good linearity when bending the weft fibers, and offer the advantage of having reinforcements. However, this binding method does not give the piece produced from such a fabric good impact resistance. Woven fabric is also known to be woven, the orthogonal 3D fabric (in which the ply-bonding fibers extend substantially orthogonally to the plies) being the one having the best linearity (i.e., a path with small bond angles or inflections) of the weft fibers and the warp fibers , and that resists compression well. However, in order for this fabric to have a fiber volume fraction of interest, it must be compressed from strong to strong. which does not allow them to contribute effectively to the transfer of efforts.
Bien qu'à cet égard, les tissus 3D non orthogonaux sont plus intéressants, ils ont néanmoins l'inconvénient de présenter des fibres de liaison ayant des angles de liaison ou des inflexions trop importants, ceci que l'armature du tissu soit simple, du type taffetas, satin ou sergé multiplis, ou encore que l'armature soit plus élaborée, comme l'armature de type 3X. Le tissu connu sous le nom de « 2 , 5D », décrit dans le document FR 2 610 951, particulièrement optimisé, présente une expansion faible et un pourcentage élevé de surface occupée, mais au prix d'une faible linéaritéAlthough in this respect non-orthogonal 3D fabrics are more interesting, they nevertheless have the disadvantage of having binding fibers having binding angles or inflections that are too great, that the reinforcement of the fabric is simple, type taffeta, satin or twill multiply, or that the frame is more elaborate, as the frame type 3X. The fabric known under the name "2, 5D", described in the document FR 2 610 951, which is particularly optimized, has a low expansion and a high percentage of occupied area, but at the cost of low linearity.
(c'est-à-dire qu'au moins certaines des fibres présentent des inflexions ou angles de liaison importants) . La définition de ce tissu lui confère des caractéristiques angulaires préjudiciables à la tenue aux impacts et limite les structures textiles réversibles (obtenues par rotation de l'armature à 90 degrés) à des structures de fai- ble densité, à moins qu'un nombre élevé de plis supplémentaires soit ajouté, ce qui rend difficile sa fabrication automatisée.(That is, at least some of the fibers have significant inflections or binding angles). The definition of this fabric gives it angular characteristics detrimental to impact resistance and limits reversible textile structures (obtained by rotating the frame at 90 degrees) to structures of low density, unless a large number additional folds is added, making it difficult to automate.
Quant au tissu décrit dans le document US5899241, il est particulièrement optimisé pour la résistance aux impacts. Cependant, le niveau élevé d'entrelacement entre les plis limite la résistance à la compression d'un élément fabriqué à partir d'un tel tissu.As for the fabric described in document US5899241, it is particularly optimized for impact resistance. However, the high level of interleaving between the pleats limit the compressive strength of an element made from such a fabric.
OBJET DE L'INVENTIONOBJECT OF THE INVENTION
L'invention a pour objet un procédé de tissage d'un tissu 3D optimisé présentant une bonne résistance notamment aux impacts, tout en étant facilement déforma- ble.The subject of the invention is a process for weaving an optimized 3D fabric having a good resistance, in particular to impacts, while being easily deformable.
DESCRIPTION DE L'INVENTION L'invention sera directement décrite en référence-; à l'unique figure annexée représentant un motif de base du tissu selon un mode particulier de réalisation de l'invention, dans lequel les fibres de trame sont représentés en bout et les fibres de chaîne s'étendent selon des plans parallèles au plan de la figure. Le tissu com- porte ici un motif de base comportant :DESCRIPTION OF THE INVENTION The invention will be directly described by reference; to the single appended figure representing a basic pattern of the fabric according to a particular embodiment of the invention, in which the weft fibers are represented at the end and the warp fibers extend in planes parallel to the plane of the Fig. The fabric comprises here a basic pattern comprising:
- au moins vingt-huit fibres de trame (vues en bout) , numérotées 1 à 28, disposées en quinconce et formant 8 colonnes C1...C8 qui s'étendent perpendiculairement à une épaisseur du tissu, et qui comportent alternative- ment quatre et trois fibres de trame en étant séparées d'un même espace prédéterminé P, les fibres de trame s 'étendant dans sept niveaux N1...N7 qui s'étendent transversalement aux colonnes. Ainsi, les première, troisième, cinquième et septième colonnes C1,C3,C5,C7 comportent quatre fibres de trame, s ' étendant respectivement dans les niveaux Nl,N3,N5 et N7 , tandis que les deuxième, quatrième, sixième et huitième colonnes C2,C4,C6,C8 comportent trois fibres de trame s ' étendant respectivement dans les niveaux N2,N4,N6; - au moins douze fibres de chaîne A...L disposées dans au moins quatre plans parallèles s ' étendant transversalement aux fibres de trame, chacun de ces plans contenant au moins trois fibres de chaîne parallèles dis¬ posées les unes au dessus des autres de la façon sui- vante. Dans un premier plan qui coïncide avec le plan de la figure, les fibres de chaîne concernées A, B, C, sont représentées en traits pleins. La fibre de chaîne A passe par-dessus la première fibre de trame 1 de la première colonne Cl, passe sous la deuxième fibre de trame 16 de la cinquième colonne C5, passe par-dessus la première fibre de trame 1 de la première colonne Cl du motif suivant. Dans ce même plan, la fibre de chaîne B et la fibre de chaîne C sont parallèles à la fibre de chaîne A, mais'.- sont décalées selon l'épaisseur du tissu d'une fibre "de trame à chaque fois.at least twenty-eight weft fibers (end views), numbered 1 to 28, arranged in staggered rows and forming eight columns C1 ... C8 which extend perpendicularly to a thickness of the fabric, and which comprise alternately four and three weft fibers being separated from the same predetermined space P, the weft fibers extending in seven levels N1 ... N7 which extend transversely to the columns. Thus, the first, third, fifth and seventh columns C1, C3, C5, C7 comprise four weft fibers, extending respectively in the levels N1, N3, N5 and N7, while the second, fourth, sixth and eighth columns C2, C4, C6, C8 comprise three weft fibers extending respectively in the levels N2, N4, N6; - at least twelve warp fibers A ... L arranged in at least four parallel planes extending transversely to the weft fibers, each of these planes contains at least three parallel warp fibers say ¬ posed one above the other the following way. In a first plane which coincides with the plane of the figure, the relevant warp fibers A, B, C, are represented in solid lines. The warp fiber A passes over the first weft fiber 1 of the first column C1, passes under the second weft fiber 16 of the fifth column C5, passes over the first weft fiber 1 of the first column C1 of the following pattern. In this same plane, the warp fiber B and the weft fiber C are parallel to the warp fiber A, but '.- are offset in the thickness of the fabric of a fiber "frame each time.
Dans un deuxième plan qui est ici en arrière du premier plan, les fibres de chaîne sont sensiblement parallèles aux niveaux Nl... N7 et sont représentées en traits interrompus. La fibre de chaîne D passe au dessus de la première fibre de trame 5 de la deuxième colonne C2 , en dessous de la première fibre de trame 8 de la troisième colonne C3 , au dessus de la première fibre de trame 13 de la quatrième colonne C4, et ainsi de suite. Les fibres de chaîne E et F suivent un chemin parallèle, en étant décalées selon une direction parallèle aux colonnes d'une fibre de trame à chaque fois ;In a second plane which is here behind the foreground, the warp fibers are substantially parallel to the levels Nl ... N7 and are represented in broken lines. The warp fiber D passes over the first weft fiber 5 of the second column C2, below the first weft fiber 8 of the third column C3, above the first weft fiber 13 of the fourth column C4 , And so on. The E and F warp fibers follow a parallel path, being shifted in a direction parallel to the columns of one weft fiber each time;
- dans un troisième plan qui est ici en arrière du deuxième plan, les fibres de chaîne G, H, I sont repré- sentées en traits interrompus mixtes. Elles suivent un chemin parallèle à celui des fibres de chaîne A, B, C du premier plan, mais elles sont décalées latéralement, selon une direction parallèle aux niveaux, de quatre colonnes ; - enfin, dans un quatrième plan qui est ici en arrière du troisième plan, les fibres de chaîne J, K, L sont représentées en traits pointillés. Elles sont parallèles aux fibres de chaîne D, E, F, mais sont décalées selon l'épaisseur du tissu de sorte que la fibre de chaîne J passe sous la première fibre de trame 5 de la deuxième colonne, la fibre de chaîne K passe sous la fibre de trame 6 de cette même colonne, et la fibre de chaîne -L passe sous la fibre de trame 7 de cette même colonne. Cette disposition offre plusieurs avantages : - elle permet d'obtenir une structure multiplis ayant un degré de liaison adapté à fournir une bonne résistance à la délamination, et, partant, une meilleure résistance aux impacts et à la compression, tout en préservant une bonne déformabilité ; ? -- - ce tissu peut est fabriqué à partir de fibres de carbone, mais également de fibres de verre, de fibres d'aramide, ou encore de fibres silicées ou céramiques. Il constitue avantageusement une préforme qui peut être imprégnée de résine par exemple par le procédé RTM (Resin transfer moulding) après mise en forme de la préforme dans un moule ou tout autre procédé ;in a third plane which is here behind the second plane, the warp fibers G, H, I are represented in mixed broken lines. They follow a path parallel to that of the warp fibers A, B, C in the foreground, but they are shifted laterally, in a direction parallel to the levels, of four columns; finally, in a fourth plane which is here behind the third plane, the chain fibers J, K, L are represented in dashed lines. They are parallel to the warp fibers D, E, F, but are shifted according to the thickness of the fabric so that the warp fiber J passes under the first weft fiber 5 of the second column, the warp fiber K passes under the weft fiber 6 of the same column, and the -L chain fiber passes under the weft fiber 7 of the same column. This arrangement offers several advantages: - it makes it possible to obtain a multiply structure having a degree of connection adapted to provide good resistance to delamination, and hence a better resistance to impact and compression, while preserving good deformability ; ? This fabric can be produced from carbon fibers, but also from glass fibers, aramid fibers, or else from siliceous or ceramic fibers. It is advantageously a preform that can be impregnated with resin for example by the RTM (Resin transfer molding) process after forming the preform in a mold or any other process;
- ce tissu permet le tissage automatisé de fibres qui ont des performances mécaniques importantes (par exemple des fibres de carbone à haut module d'élasticité), mais qui sont fragiles au tissage. Il est même possible d'utiliser des fibres de carbone ayant une densité linéaire importante, telle que des fibres à 48 ou 96 kilofilaments , voire plus ;- This fabric allows the automated weaving of fibers that have significant mechanical performance (for example high modulus of elasticity carbon fibers), but are fragile to weaving. It is even possible to use carbon fibers having a large linear density, such as fibers with 48 or 96 kilofilaments, or more;
- le tissu ainsi obtenu présente une fraction vo- lumique de fibres importante, au moins égale ici à 57% ;the fabric thus obtained has a large volume fraction of fibers, at least 57% in this case;
- la disposition des fibres de chaîne en plusieurs plans décalés induit des angles de liaison θ assez faibles, en pratique inférieurs ou égal à 15°, ce qui confère aux fibres de trame et aux fibres de chaîne une très bonne linéarité qui permet de faire travailler plus efficacement les fibres en compression ;- The arrangement of the warp fibers in several shifted planes induces connection angles θ quite low, in practice less than or equal to 15 °, which gives the weft fibers and the warp fibers a very good linearity that allows to work more effectively the fibers in compression;
- cette disposition permet de déséquilibrer la proportion de fibres de chaîne par rapport à la proportion de fibres de trame pour compenser la non-linéarité de ces dernières (par exemple 70% de fibres de trame pour 30% de fibres de chaîne) ;this arrangement makes it possible to unbalance the proportion of warp fibers with respect to the proportion of weft fibers to compensate for the non-linearity of these fibers (for example 70% of weft fibers for 30% of chain fibers);
- enfin, cette disposition peut être renversée (en tournant l'armature de 90°) pour en améliorer la linéarité. L'invention n'est pas limitée à ce qui vient d'être décrit, mais bien au contraire englobe toute variante entrant dans le cadre défini par les revendications .- Finally, this arrangement can be reversed (turning the armature 90 °) to improve linearity. The invention is not limited to what has just been described, but on the contrary encompasses any variant within the scope defined by the claims.
En particulier, le motif de base de l'armature dû' tissu décrit ici peut être étendu facilement, à la fois dans la direction de l'épaisseur du tissu (donc dans la direction des colonnes) , et dans la direction latéraleIn particular, the basic pattern of the fabric reinforcement described herein can be easily extended, both in the direction of the fabric thickness (thus in the direction of the columns), and in the lateral direction.
(donc dans la direction des niveaux) . (so in the direction of the levels).

Claims

REVENDICATIONS
1. Tissu en fils ou fibres tissés comportant des fibres de trame et des fibres de chaîne disposées selon une armature ayant un motif de base qui comporte:A yarn or woven fabric having weft fibers and warp fibers arranged in a frame having a basic pattern which comprises:
- au moins vingt-huit fibres de trame (1...28) , disposées en quinconce et formant huit colonnes (C1...C8) parallèles dont des première, troisième, cinquième et septième colonnes qui comportent chacune quatre fibres de'. trame et des deuxième, quatrième, sixième et huitième colonne qui comportent chacune trois fibres de trame, les colonnes étant séparées d'un même espace prédéterminé (P) et les fibres de trame s ' étendant dans sept niveaux (N1...N7) qui s'étendent transversalement aux colonnes ; - au moins douze fibres de chaîne (A...L) disposées dans au moins quatre plans parallèles s ' étendant transversalement aux fibres de trame et décalés les uns par rapport aux autres, chacun de ces plans contenant au moins trois fibres de chaîne parallèles disposées les unes au dessus de autres de la façon suivante :- at least twenty-eight weft fibers (1 ... 28), arranged in staggered rows and forming eight parallel columns (C1 ... C8) including first, third, fifth and seventh columns each comprising four fibers of ' . frame and second, fourth, sixth and eighth columns each comprising three weft fibers, the columns being separated by a same predetermined space (P) and the weft fibers extending in seven levels (N1 ... N7) which extend transversely to the columns; at least twelve warp fibers (A ... L) arranged in at least four parallel planes extending transversely to the weft fibers and offset from one another, each of these planes containing at least three parallel warp fibers arranged one above the other as follows:
- dans un premier plan, une première fibre de chaîne (A) passe par-dessus la première fibre de trame (1) de la première colonne (Cl) , passe sous la deuxième fibre de trame (16) de la cinquième colonne (C5), puis passe par-dessus la première fibre de trame (1) de la première colonne (Cl) du motif suivant ; des deuxième et troisième fibres de chaîne (B, C) s'étendent dans ledit premier plan parallèlement à la première fibre de chaînein a first plane, a first warp fiber (A) passes over the first weft fiber (1) of the first column (C1), passes under the second weft fiber (16) of the fifth column (C5 ), then passes over the first weft fiber (1) of the first column (C1) of the following pattern; second and third warp fibers (B, C) extend in said first plane parallel to the first warp fiber
(A) , en étant décalées selon une direction parallèle aux colonnes d'une fibre de trame à chaque fois.(A), being offset in a direction parallel to the columns of a weft fiber each time.
- dans un deuxième plan, une première fibre de chaîne (D) s'étend sensiblement parallèlement aux niveaux (N1...N7) et passe au dessus de la première fibre de trame (5) des colonnes (C2, C4,C6,C8) comportant trois fibres de trame, et en dessous de la première fibre de trame des colonnes (01,03,05,07) comportant quatre fibres de trame; des deuxième et troisième fibres de trame (E, F) s'étendent parallèlement à la première fibre de trame (D) , en étant décalées selon une direction parallèle aux colonnes d'une fibre de trame à chaque fois ;in a second plane, a first warp fiber (D) extends substantially parallel to the levels (N1 ... N7) and passes over the first weft fiber (5) of the columns (C2, C4, C6, C8) having three weft fibers, and below the first weft fiber of columns (01,03,05,07) comprising four weft fibers; second and third weft fibers (E, F) extend parallel to the first weft fiber (D), offset in a direction parallel to the columns of one weft fiber each time;
- dans un troisième plan, les trois fibres de chaîne (G, H, I) concernées s'étendent parallèlement aux fibres de chaîne (A, B, C) du premier plan, en étant décalées latéralement, selon une direction parallèle aux n^v in a third plane, the three warp fibers (G, H, I) concerned extend parallel to the warp fibers (A, B, C) of the first plane, being offset laterally, in a direction parallel to the n v
~"*.~"* veaux, de quatre colonnes ; ~ ". ~ *" * Calves, four columns;
- enfin, dans un quatrième plan, les trois fibres de chaîne (J, K, L) concernées s'étendent parallèlement aux fibres de chaîne (D, E, F) du deuxième plan, en étant décalées, selon une direction parallèle aux colonnes, de sorte qu'ils passent sous les fibres de trame des colonnes (C2,C4,C6, 08) ayant trois fibres de trame.- Finally, in a fourth plane, the three warp fibers (J, K, L) concerned extend parallel to the warp fibers (D, E, F) of the second plane, being offset in a direction parallel to the columns , so that they pass under the weft fibers of the columns (C2, C4, C6, 08) having three weft fibers.
2. Tissu selon la revendication 1, ayant une fraction volumique de fibres au moins égale à 57 %.2. The fabric of claim 1 having a fiber volume fraction of at least 57%.
3. Tissu selon la revendication 1, dans lequel les fibres ont des angles de liaison (θ) inférieurs ou égaux à 15° .3. The fabric of claim 1, wherein the fibers have bond angles (θ) less than or equal to 15 °.
4. Pièce obtenue à partir du tissu de la revendication 1. 4. Part obtained from the fabric of claim 1.
EP20070858424 2006-10-18 2007-10-11 3d composite fabric Active EP2089565B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07858424T PL2089565T3 (en) 2006-10-18 2007-10-11 3d composite fabric

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0609152A FR2907475B1 (en) 2006-10-18 2006-10-18 3D COMPOSITE FABRIC
PCT/FR2007/001659 WO2008049988A1 (en) 2006-10-18 2007-10-11 3d composite fabric

Publications (2)

Publication Number Publication Date
EP2089565A1 true EP2089565A1 (en) 2009-08-19
EP2089565B1 EP2089565B1 (en) 2010-03-31

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Family Applications (1)

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EP20070858424 Active EP2089565B1 (en) 2006-10-18 2007-10-11 3d composite fabric

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CN101529000A (en) 2009-09-09
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CA2666235C (en) 2012-04-10
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CN101529000B (en) 2011-05-11
FR2907475B1 (en) 2008-12-05
ES2340739T3 (en) 2010-06-08
JP2010507027A (en) 2010-03-04
US20100323574A1 (en) 2010-12-23
CA2666235A1 (en) 2008-05-02
WO2008049988A1 (en) 2008-05-02
PL2089565T3 (en) 2010-09-30
BRPI0717764A2 (en) 2013-11-12
ATE462812T1 (en) 2010-04-15
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DE602007005686D1 (en) 2010-05-12
US8061391B2 (en) 2011-11-22

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