A fiber-reinforced resin molded article is produced by pressing a plurality of thermoplastic base material sheets, each of which contains a plurality of reinforcing fibers, in a stacked state where the base material sheets are stacked so that the fiber directions (orientation direction of the reinforcing fibers) are alternated. Each base material sheet is provided with a cut including: a plurality of lengthwise cut lines extending parallel to the fiber direction; and a plurality of crosswise cut lines extending parallel to a direction that is perpendicular to the fiber direction. A plurality of cut interruption parts for interrupting the lengthwise cut lines in the fiber direction are formed. The cut interruption parts are arranged in a staggered manner so as to be displaced from each other in the fiber direction.

A method for the simultaneous production of two or more fiber composite components, to a fiber composite component, to a rotor blade of a wind power installation, as well as to a wind power installation. A method for the simultaneous production of two or more fiber composite components, in particular of two or more substantially identical fiber composite components which have a component contour, the method comprising providing at least one fibrous material, at least one planar separation element, and at least one matrix material, wherein the at least one planar separation element at least in portions is permeable to the matrix material; producing a semi-finished fibrous pack by disposing the fibrous material layer-by-layer so as to form semi-finished fibrous products stacked on top of one another, wherein at least one of the planar separation elements is in each case disposed between the semi-finish fibrous products; infusing the semi-finished fibrous pack with the matrix material; cutting the component contour into the infused semi-finished fibrous pack.

Device for producing a preform to a given 3D profile, from at least two warp tapes/filaments (18) placed in a first plane and at least one weft tape/filament (20) placed in a second plane, the first and second planes making a determined angle, characterized in that it comprises feed means (12) for warp tapes/filaments (18) with independent modules, feed means (14) for weft tapes/filaments (20), manoeuvring .sub.[GH19] means (16) for manoeuvring the warp tapes/filaments (18) with respect to the weft tapes/filaments (20), and manoeuvring means (16) for manoeuvring all of the warp tapes/filaments (20), according to said given 3D profile.

Device for producing a preform to a given 3D profile, from at least two warp tapes/filaments (18) placed in a first plane and at least one weft tape/filament (20) placed in a second plane, the first and second planes making a determined angle, characterized in that it comprises feed means (12) for warp tapes/filaments (18) with independent modules, feed means (14) for weft tapes/filaments (20), manoeuvring .sub.[GH19] means (16) for manoeuvring the warp tapes/filaments (18) with respect to the weft tapes/filaments (20), and manoeuvring means (16) for manoeuvring all of the warp tapes/filaments (20), according to said given 3D profile.

A method for producing a composite material. The method includes the steps of producing an initial dry preform, formed from unidirectional continuous dry fibers, applying non-woven filaments to a first main face of the dry preform, and needling the filaments with a needling device. The needling device includes a plurality of needles, each provided with at least one notch, so that filaments are driven by the needles and arranged in a direction substantially perpendicular to the continuous fibers of the dry perform. The method includes the further step of impregnating the dry preform with an impregnation polymer, the impregnation polymer constituting the matrix of the composite material part.

A method for producing a composite material. The method includes the steps of producing an initial dry preform, formed from unidirectional continuous dry fibers, applying non-woven filaments to a first main face of the dry preform, and needling the filaments with a needling device. The needling device includes a plurality of needles, each provided with at least one notch, so that filaments are driven by the needles and arranged in a direction substantially perpendicular to the continuous fibers of the dry perform. The method includes the further step of impregnating the dry preform with an impregnation polymer, the impregnation polymer constituting the matrix of the composite material part.

A method of fabricating a gas turbine casing out of composite material of varying thickness, the method including making a strip-shaped fiber texture by three-dimensional weaving; winding the fiber texture as a plurality of superposed layers onto a mandrel of profile corresponding to the profile of the casing that is to be fabricated, so as to obtain a fiber preform of shape corresponding to the shape of the casing that is to be fabricated; and densifying the fiber preform with a matrix; wherein, before beginning to wind the fiber texture onto the mandrel, a reinforcing band of width smaller than the width of the fiber texture is placed on the mandrel in a zone that is to form a retention zone of the casing.

An apparatus and method for laminating fibers for direct manufacturing of a preform, in which rows of fibers are drawn at the same time and are arranged in the form of a preform. The apparatus for laminating fibers for direct manufacturing of a preform according to an aspect of the present invention is an apparatus which supplies reinforced fibers to a table 22 and laminating the reinforced fibers thereon, so as to manufacture a fiber preform by laminating the reinforced fibers on the table 22, the apparatus including: a reinforced fiber supply robot 30 configured to supply a predetermined length of a plurality of reinforced fibers, on which a thermoplastic resin is coated; at least one or more edge fixing robots 40 configured to press and fix an end of the reinforced fibers drawn from the reinforced fiber supply robot 30 to the table 22 while the reinforced fibers are adhered as the thermoplastic resin is melted. Particularly, the reinforced fiber supply robot 30 includes: a plurality of reels 33, around which the reinforced fibers F coated with the thermoplastic resin are wound; a plurality of supply rollers 34 configured to transfer the reinforced fibers F, drawn from the plurality of reels, to the table 22 to supply the reinforced fibers thereto; a cutter configured to cut the reinforced fibers F, supplied through the plurality of supply rollers 34, into a predetermined length; and a compression roller 37 configured to press the end of the reinforced fibers F, cut by the cutter, to the table 22.

An apparatus and method for laminating fibers for direct manufacturing of a preform, in which rows of fibers are drawn at the same time and are arranged in the form of a preform. The apparatus for laminating fibers for direct manufacturing of a preform according to an aspect of the present invention is an apparatus which supplies reinforced fibers to a table 22 and laminating the reinforced fibers thereon, so as to manufacture a fiber preform by laminating the reinforced fibers on the table 22, the apparatus including: a reinforced fiber supply robot 30 configured to supply a predetermined length of a plurality of reinforced fibers, on which a thermoplastic resin is coated; at least one or more edge fixing robots 40 configured to press and fix an end of the reinforced fibers drawn from the reinforced fiber supply robot 30 to the table 22 while the reinforced fibers are adhered as the thermoplastic resin is melted. Particularly, the reinforced fiber supply robot 30 includes: a plurality of reels 33, around which the reinforced fibers F coated with the thermoplastic resin are wound; a plurality of supply rollers 34 configured to transfer the reinforced fibers F, drawn from the plurality of reels, to the table 22 to supply the reinforced fibers thereto; a cutter configured to cut the reinforced fibers F, supplied through the plurality of supply rollers 34, into a predetermined length; and a compression roller 37 configured to press the end of the reinforced fibers F, cut by the cutter, to the table 22.

For the exact lateral continuous positioning of material plies on a forming tool, a positioning device is provided to position a material ply on a forming tool during a production of a fiber composite component, comprising a positioning unit for positioning the positioning device in relation to a surface of the forming tool, a movement unit for moving the positioning device along a predetermined movement route along the forming tool, a route position detection unit for detecting the current route position of the positioning device on the movement route, and a material ply positioning unit for positioning the material ply in a direction transverse to the movement direction in dependence on the current route position detected by the route position detection unit.