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WO/2024/056960A1 |
The invention relates to a fibrous preform for the manufacture of a part made of composite material, the fibrous preform having a three-dimensional weave comprising a plurality of layers of weft yarns and a plurality of layers of warp ya...
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WO/2024/047313A1 |
The invention relates to a fibre preform (10, 1000) for manufacturing a component made of composite material, the fibre preform exhibiting three-dimensional weaving and having a usable zone (201) extending between two edge zones (202a, 2...
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WO/2024/042294A1 |
The invention relates to a Jacquard loom (10) for manufacturing a fabric (T) having a variable thickness (e1, e2, e3) across its width (L) by means of weaving between a plurality of warp yarns (30) and a plurality of weft yarns (31), the...
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WO/2023/247858A1 |
In a method for three-dimensional weaving of a fibrous structure (200) between layers of warp yarns (203) and layers of weft yarns (204), the weft yarns (204) are woven in a plurality of columns spaced apart from one another in a longitu...
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WO/2023/247869A1 |
The invention relates to a method for manufacturing a fibre preform for a part, comprising: - weaving a first core texture of elongate shape extending in a longitudinal direction and comprising, in cross section, a central portion (10) h...
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WO/2023/247859A1 |
The invention relates to a Jacquard-type weaving loom (100) intended to produce a fibrous structure (200) by three-dimensional weaving between a plurality of warp threads (203) and a plurality of weft threads (204) extending in a horizon...
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WO/2023/247868A1 |
The present invention relates to a fibrous preform (1) of a core part of a fibrous reinforcement for a part made of composite material, the preform having a slender shape along a longitudinal direction (X) and being formed by three-dimen...
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WO/2023/247865A1 |
The present invention relates to a fibrous preform of a core part of a fibrous reinforcement for a part made of composite material, the preform having a slender shape along a longitudinal direction (X) and being formed by first threads (...
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WO/2023/209312A1 |
The invention relates to a propeller blade or airfoil (10) for a turboprop engine, made from composite material and comprising a matrix-densified fibrous reinforcement, the propeller blade or airfoil comprising, in a longitudinal directi...
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WO/2023/194692A1 |
The invention relates to a method for manufacturing a rotationally symmetrical part made of composite material (100) for a propulsion assembly comprising: - manufacturing a fibre preform on a mandrel (200) having a profile corresponding ...
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WO/2023/156751A1 |
The invention relates to a system for attaching a turbomachine blade, comprising: - a blade comprising, at the blade root, two portions (54, 56) that are separated from one another in a transverse direction X so as to provide a cavity (C...
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WO/2023/156728A1 |
The present invention relates to a method for manufacturing an instrumented strand (1), intended for a textile operation for forming a fibrous preform of a part made of composite material. The method comprises: • unreeling at least one...
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WO/2023/152436A1 |
The invention relates to a method for manufacturing an inter-blade platform (100) of a turbomachine fan (1), the platform (100) comprising a base (110) having first and second sacrificial lateral edges (131, 132) having a thickness which...
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WO/2023/148443A1 |
The invention relates to a blade (1) made of a composite material, the blade comprising a fibrous reinforcement densified by an organic matrix and being provided, in an attachment zone (4), with a metal element (5), the blade being chara...
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WO/2023/089289A1 |
The invention relates to a method for manufacturing a ceramic matrix composite part, the part exhibiting rotational symmetry, the method comprising: - a step of weaving a fibrous preform (30, 40', 40") by means of a contour weaving metho...
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WO/2023/065911A1 |
A preform having preset hole channels having yarns implanted and a preparation method for the preform, which are applied to the field of fiber preforms. The preparation method comprises the following steps: designing widening yarn having...
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WO/2023/045993A1 |
Provided is a joint-free continuous rope and belt(100) having a rope section(101),a belt section(103),and a transition section(102) arranged between the rope section(101) and the belt section(103).The diameter of the rope section(101) is...
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WO/2022/214751A1 |
The invention relates to an installation (200) for compacting strands or a preform (220) comprising strands, the strands or the preform comprising at least a first portion (221) in which the strands are twisted at a first angle and a sec...
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WO/2022/200711A1 |
The present invention relates to a method for optimizing the weaving of a fibrous structure, comprising at least: calculating a deviation between inter-column (CLN; CLN+1) spacings (EN) in a set of yarns (202) and predetermined values in...
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WO/2022/195218A1 |
The invention relates to a method for manufacturing a turbomachine component made of composite material, said method comprising the steps of: - creating a shaped fibrous preform by three-dimensional weaving of filaments to create a fibro...
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WO/2022/185007A1 |
A fibrous texture (200) for a blade has a three-dimensional weave between a first plurality of layers of filaments (201) and a second plurality of layers of filaments (202). The texture comprises a blade airfoil part (205) extending betw...
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WO/2022/184999A1 |
A fibrous structure (400) intended to form the fibrous reinforcement of a part made of composite material comprises a fibrous reinforcement densified by a matrix, the fibrous structure having a three-dimensional or multilayer weave betwe...
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WO/2022/121375A1 |
A three-dimensional (3D) fabric and a preparation method therefor. The 3D fabric is a woven fabric which is formed by interweaving warp yarns and weft yarns and has a non-planar surface; the warp density and weft density on each part of ...
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WO/2022/121792A1 |
The present invention relates to a safety airbag and a manufacturing method therefor. The safety airbag comprises a polyester fabric for safety airbags, a silica gel coating, and a safety valve, wherein the polyester fabric for safety ai...
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WO/2022/117938A1 |
The invention relates to a fan blade (3) made of composite material the fibrous reinforcement of which comprises first strands (12) having a first stiffness, second strands (13) having a second stiffness and third strands (14) having a t...
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WO/2022/112678A1 |
The invention relates to a woven fibrous preform (1) for a hollow aerodynamic profile of a turbomachine blade, comprising a separated trailing edge and the draping of two 3D woven fibrous textures.
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WO/2022/112683A1 |
The invention relates to a fibrous texture (11) for reinforcing a turbomachine blade made as a single piece and forming at least the preform of the airfoil profile (10) of the blade and the platform element (24 28).
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WO/2022/060067A1 |
The present invention relates to an anti-virus fabric and a mask using same and, more specifically, to an anti-virus fabric which can kill coronavirus and to a mask using same. The present invention provides an anti-virus fabric which is...
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WO/2022/024760A1 |
A napped leather-like sheet-shaped material according to an embodiment includes a fibrous substrate composed of a woven material or a knitted material, and a mixture including a silicone resin and a polyurethane resin added to the fibrou...
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WO/2021/260291A1 |
A fibrous texture (100) with a strip shape extending in a longitudinal direction (X) over a determined length (L100) between a proximal portion (110) and a distal portion (120) and in a lateral direction (Y) over a determined width (l100...
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WO/2021/250273A1 |
The invention relates to a method (30) for producing a molded body (52) from a fiber material (50), wherein first a textile structure (54), which is provided with a binder material, is produced from the fiber material (50) using textile ...
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WO/2021/176160A1 |
Method for manufacturing a composite platform (30) for an aircraft turbine engine fan, this platform having a wall (32) of elongate shape that is configured to extend between two fan blades (3), this wall having an aerodynamic external f...
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WO/2021/176179A1 |
The present invention relates to a fan blade (3) having a structure made from a composite material, comprising a fibrous reinforcement (5), which is obtained by three-dimensional weaving of warp strands and weft strands, and a matrix in ...
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WO/2021/160951A1 |
The invention relates to a fibrous texture (10) for forming the fibrous reinforcement of a vane of a turbine engine from composite material, comprising a zone (24) of reduced rigidity with warp threads made from second fibres having an e...
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WO/2021/152233A1 |
Disclosed is a one-piece fibrous preform (100) obtained by three-dimensional weaving comprising a first skin (110), a second skin (120) and a longitudinal stiffening portion (130) connecting the skins, the portion forming a stiffening el...
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WO/2021/134936A1 |
A method and an apparatus for generating a jacquard weave pattern of a preform, an electronic device, and a storage medium. Said method comprises: acquiring initial structure information of a preform to be prepared; generating, according...
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WO/2021/084193A1 |
Disclosed is a fibrous preform (100) made of three-dimensional woven fabric for an attached fan platform, comprising a first air flow passage wall skin (110) of the platform, a second, opposite wall skin (120), and a longitudinal stiffen...
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WO/2021/084194A1 |
Disclosed is a three-dimensional fibrous preform (100) of a fan (2) blade (10) comprising a blade root (110) and a blade airfoil (120) between the blade root and a free end (121) of the preform. The airfoil has an area (140) with two ski...
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WO/2021/084192A1 |
A fibrous preform (100) obtained by three-dimensional weaving, comprising a first skin (110), a second skin (120), and a central portion (130) connecting them and forming a stiffening element (4). In a transverse plane, transverse thread...
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WO/2021/005286A1 |
Disclosed is a process for manufacturing a fibrous preform for a part made of composite material, comprising creating a fibrous texture (200) by three-dimensional or multilayer weaving between a plurality of weft layers (202) and of warp...
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WO/2021/001611A1 |
A fibrous reinforcing structure for a part made of composite material woven as a single piece by three-dimensional or multi-layer weaving between a plurality of layers of weft filaments (202) and a plurality of layers of warp filaments (...
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WO/2020/245545A1 |
The invention relates to a three-dimensionally woven multi-layer fibrous structure (20) having the same number of warp threads woven at any level in the warp direction, the fibrous structure (20) comprising, in the warp direction, a firs...
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WO/2020/236805A1 |
Disclosed is a cruciform-shaped reinforcing structure with at least two arms of intersecting C-Beams having continuous warp fiber reinforcement across the length of each arm.
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WO/2020/209847A1 |
A component (68) fabricated from a three dimensional (3D) ceramic matrix composite (CMC) material (142). The component includes an outer wall (100) and an inner wall (104) spaced apart from the outer wall to form a cooling channel (110) ...
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WO/2020/201202A1 |
The invention relates to a method for manufacturing a part made from CMC, the method comprising at least: - coating a plurality of cables (2) with an interphase by transporting the cables through a treatment chamber (4) into which a gas ...
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WO/2020/192162A1 |
A variable-thickness preform (1), a composite component, and a yarn reduction method for a variable-thickness preform. The variable-thickness preform comprises: a main fiber portion (3) formed by several warp yarns and weft yarns; and a ...
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WO/2020/191254A1 |
A fabric for a pair of jeans is disclosed. The fabric has a plurality of warp threads and a plurality of weft threads. The plurality of warp threads include a jeans warp thread, such as cotton, disposed next to an insulating warp thread,...
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WO/2020/158242A1 |
A fiber structure (20) of a first fiber-reinforced composite comprises a body (21) and a branch (22). The branch (22) comprises a branch boundary line (F1) that extends along a portion at which there is branching into a first formed part...
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WO/2020/157409A1 |
A housing for a gas turbine fan made of composite material with a fibrous reinforcement comprising a plurality of stacked turns of a fibrous texture (100) in the form of a strip having a three-dimensional weave between a plurality of lay...
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WO/2020/148490A1 |
A blade comprising a fibre reinforcement (200) having a three-dimensional weave densified by a matrix, the fibre reinforcement (200) comprising, in a single woven piece, a root part (212) and an aerodynamic profile part (211) extending i...
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