Abstract: The invention relates to a fiber application head for manufacturing composite material pars and to a corresponding manufacturing method, said head including: an application roll for applying a band formed of one or more fibers onto an application surface; a main guide system for guiding at least one fiber towards said application roll; a heating, system capable of emitting thermal radiation towards the band just before application by the application roll; a cooling system capable of cooling, the application roil from the outside, such as a gas flow; and a drive system capable of rotating the application roll when the roll is not in contact with the application surface.

Abstract: The present invention relates to a method for producing a composite material comprising a step of producing an initial dry preform (101), formed from unidirectional continuous dry fibers, a step of applying non-woven filaments to a first main face (111) of the dry preform, a step of needling said filaments by means of a needling device (5) comprising a plurality of needles (51), 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 preform, and a step of impregnating the dry preform with an impregnation polymer, said impregnation polymer constituting the matrix of the composite material part.

Abstract: A method for producing preforms, by layup of fibers on a layup surface, comprising the application of a binder on at least one continuous flat dry fiber, comprising two opposite main faces, and the layup of the fiber provided with binder by means of a layup head in order to form a preform. The application of binder on a fiber is carried out by means of at least one fiberizing nozzle comprising a discharge orifice supplied with liquid or pasty binder, and one or several injection orifices supplied with pressurized gas, in such a way that said nozzle is able to deliver the binder in the form of a spiral filament, the spirals of filament being deposited on a first main face of the fiber running underneath the nozzle in order to obtain a fiber provided with filaments of binder.

Abstract: An aerial vehicle is includes a wing, first and second rotors, and a movement sensor. The first and second multicopter rotors are rotatably coupled to the wing, the first multicopter rotor is rotatable relative to the wing about a first lateral axis, and the second multicopter rotor is rotatable relative to the wing about a second lateral axis. Each multicopter rotor is coupled to each other multicopter rotor, wherein the multicopter rotors are restricted to collective synchronous rotation relative to the wing between a multicopter configuration and a fixed-wing configuration. The movement sensor is coupled to the multicopter rotors, wherein the movement sensor is positioned to rotate relative to the wing when the multicopter rotors rotate relative to the wing between the multicopter and fixed-wing configurations.

Abstract: A machine for producing parts made of composite material, the machine comprising a fiber-application head comprising an application roller, a guide system for guiding one or more fibers, in the form of a strip, towards said application roller, and at least one cutting system comprising a blade capable of being maneuvered by a cutting cylinder between a rest position and an active position for cutting a fiber, each cutting system comprising a counter-blade that is elastically held against the blade by the cutting edge thereof for cutting by shearing a fiber while the blade moves from the rest position thereof to the active position thereof.

Abstract: A fiber application machine comprising a fiber application head, a displacing system to displace said fiber application head, fiber storage, and a fiber conveyor to convey the fibers from the fiber storage to the application head. The machine further comprises a safety system comprising at least one perimeter barrier defining a safety zone wherein the displacing system carrying the application head is placed, the fiber storage being arranged outside of said safety zone.

Abstract: A method for defining trajectories of fibers on a layup surface for producing at least one ply having a given theoretical orientation, by laying up fibers, including the steps of providing the definition of the constraint curves and/or the definition of at least one constraint grid with association of at least one constraint vector to each node of the constraint grid, the direction of a fiber at an analysis point of the layup surface, being obtained by calculation of the normalized weights of the constraint vectors of the constraint curves and/or by calculation by of the normalized weights of the constraint vectors of the constraint grid, and by weighting by the normalized weights of the constraint vectors.

Abstract: An aerial vehicle is includes a wing, first and second rotors, and a movement sensor. The first and second multicopter rotors are rotatably coupled to the wing, the first multicopter rotor is rotatable relative to the wing about a first lateral axis, and the second multicopter rotor is rotatable relative to the wing about a second lateral axis. Each multicopter rotor is coupled to each other multicopter rotor, wherein the multicopter rotors are restricted to collective synchronous rotation relative to the wing between a multicopter configuration and a fixed-wing configuration. The movement sensor is coupled to the multicopter rotors, wherein the movement sensor is positioned to rotate relative to the wing when the multicopter rotors rotate relative to the wing between the multicopter and fixed-wing configurations.

Abstract: The invention relates to a fiber application head for manufacturing composite material pars and to a corresponding manufacturing method, said head including: an application roll for applying a band formed of one or more fibers onto an application surface; a main guide system for guiding at least one fiber towards said application roll; a heating, system capable of emitting thermal radiation towards the band just before application by the application roll; a cooling system capable of cooling, the application roil from the outside, such as a gas flow; and a drive system capable of rotating the application roll when the roll is not in contact with the application surface.

Abstract: A fiber application head, comprising a roller for applying a band formed from one or more fibers onto an application surface, a main guide system for guiding at least one fiber towards said roller, and a heating system capable of emitting thermal radiation in the direction of the band, just prior to the application thereof. The heating system comprises at least one first infrared lamp capable of heating the band coming out of the main guide system, and at least one second infrared lamp capable of heating the surface upstream from the roller, the head further comprising a secondary guide system capable of guiding the band between the main guide system and the roller while enabling the band to be heated by the first lamp.

Abstract: An aerial vehicle is includes a wing, first and second rotors, and a movement sensor. The first and second multicopter rotors are rotatably coupled to the wing, the first multicopter rotor is rotatable relative to the wing about a first lateral axis, and the second multicopter rotor is rotatable relative to the wing about a second lateral axis. Each multicopter rotor is coupled to each other multicopter rotor, wherein the multicopter rotors are restricted to collective synchronous rotation relative to the wing between a multicopter configuration and a fixed-wing configuration. The movement sensor is coupled to the multicopter rotors, wherein the movement sensor is positioned to rotate relative to the wing when the multicopter rotors rotate relative to the wing between the multicopter and fixed-wing configurations.

Abstract: An aerial sensor system is disclosed. The system includes an aerial vehicle, a camera, and a sensor mounting assembly coupled to the aerial vehicle and to the camera. The sensor mounting assembly permits the camera to be positioned radially outwardly from the aerial vehicle in all spherical positions.

Abstract: A method for defining trajectories of fiber on a layup surface, including the definition of a transfer mesh of a transfer surface corresponding to a simplified surface, substantially continuous, of the layup surface, the direction of a fiber at an analysis point of the layup surface, being obtained by: definition of a projected point by normal projection of an analysis point on the transfer mesh, definition of a reference direction at said projected point, definition of the normal to the transfer element, definition of a cutting plane by the projected point, the reference direction and the normal, definition of the line of intersection of the cutting plane with the plane of the element, the direction of the fiber at the analysis point being obtained from this line of intersection.

Abstract: A fiber application machine comprising a fiber application head, a displacing system to displace said fiber application head, a fiber storage, and a fiber conveyor to convey the fibers from the fiber storage to the application head. The machine further comprises a safety system comprising at least one perimeter barrier defining a safety zone wherein the displacing system carrying the application head is placed, the fiber storage being arranged outside of said safety zone.

Abstract: A fiber application head and a method for producing parts made of composite materials by means of a corresponding head. The head comprises two application rollers, including a first roller and a second roller, each roller being movably mounted in relation to the main guiding system between at least an active position in which the band is capable of being guided by the main guiding system on the roller, and an inactive position in which the roller is remote from the main guiding system. The head comprises an actuating system able to maneuver the first roller into the active position and the second roller into the inactive position to apply a band by means of the first roller, and to maneuver the first roller into the inactive position and the second roller into the active position to apply a band by means of the second roller.

Abstract: The hydrometallurgical copper extraction processes of the present teachings generally including two steps: a conditioning or activating step using low concentrations of ammonia and ammonium in an aqueous solution; and an acid leaching step. The processes of the present teachings can be performed at low temperature, for example, at ambient temperature, and at atmospheric pressure.

Abstract: A fiber application head for a fiber application machine for the production of parts made of composite materials, comprising a compacting roller, said compacting roller comprising several independent roller segments mounted side by side on an axial rod. Each roller segment comprises a tubular central portion through which said segment is mounted on the axial rod, a tubular peripheral portion having a cylindrical outer surface and one or more curved spring plate arranged between the outer surface (31a) of the central portion and the inner surface of the peripheral portion.

Abstract: The present invention relates to a fiber application machine, for making components out of composite materials, comprising a fiber application head, fiber storing means, and means for conveying the fibers from said storage means to the application head. The conveying means comprises first flexible tubes, that receive one fiber into its internal passage. Each flexible tube is provided with at least one longitudinal flexible blade of rectangular cross section. Each first flexible tube and its associated flexible blade are placed in a second flexible tube so that the second flexible tube holds the flexible blade substantially against the first flexible tube, while allowing relative longitudinal movement of the flexible blade in relation to the first flexible tube.

Abstract: The present invention relates to a fiber application machine, for making components out of composite materials, comprising a fiber application head, fiber storing means, and means for conveying the fibers from said storage means to the application head. The conveying means comprises first flexible tubes, that receive one fiber into its internal passage. Each flexible tube is provided with at least one longitudinal flexible blade of rectangular cross section. Each first flexible tube and its associated flexible blade are placed in a second flexible tube so that the second flexible tube holds the flexible blade substantially against the first flexible tube, while allowing relative longitudinal movement of the flexible blade in relation to the first flexible tube.

Abstract: A fiber application machine including a fiber application head with an application roller for the production of parts made of composite materials. The fiber application head further includes a guiding system to guide the fibers onto the application roller and/or means for the application of resin to each fiber as the fibers leave the guiding system. The fiber application machine can also include a fiber storing system and conveying means for conveying the fibers from the fiber storing system to the application head. The conveying means can comprise flexible tubes, each tube being able to receive a fiber in its inner channel. The conveying means can further include a tension limiting system positioned between the application head and the storing system. The fiber application machine can further include a system for moving the application head.