Abstract: A method for producing filaments of polyacrylonitrile and an extrusion head for carrying out said method are provided, wherein the method comprises preparing a polyacrylonitrile polymer solution and passing said solution through an extruder plate that determines the formation of filaments, a central chamber being defined between the extruder plate and a floating plate connected to a vibrating system, said chamber being surrounded by a peripheral chamber into which the polymer solution is introduced under pressure. The polymer solution then passes through to the central chamber via small radial conduits that accelerate the material, and is subjected to vibration in the central chamber before passing through the extruder plate.

Abstract: The present invention relates to a fastening tool for dynamically fastening parts for machining, said tool being formed by an annular frame (1) which is fastened to a rotary supporting means (2) arranged around the location of the machining tool (4) on a tool-holder head (3). The annular frame (1) incorporates a tamper formed by a rotating ball (5) and, in a diametrically opposite position, a tilting clamp (6) which incorporates a counter-tamper formed by another rotating ball (8). According to the invention, a cantilevered portion (9.1) of a part can be seized between the balls (5) and (8) of the tamper and counter-tamper in order to prevent bending and vibrations in relation to same during machining.

Abstract: The present invention relates to an extrusion head for generating filaments, extrusion installation and method using said extrusion head, the extrusion head comprising an inlet for the introduction by pressure of a solvent and polymer solution, and an extrusion plate provided with extrusion nozzles configured for forming filaments from the solvent and polymer solution, where the inlet is in fluid communication with a laminar chamber through which the solvent and polymer solution circulates to a peripheral chamber from which it is radially distributed into a central chamber in which the extrusion plate is arranged, and where the laminar chamber is in fluid communication with an excess solvent outlet, and the central chamber is in fluid communication with an excess solution outlet.

Abstract: The present invention relates to an automatic splicer for the continuous supply of laminar strips, comprising a reel holder for incorporating two reels that can be positioned alternately in a feed position for feeding to an application process and in a standby position, there being above the reel holder a guide rail on which a splicer head that can move in a movement projected towards a splicing zone is mounted, carrying the laminar strip of a reel arranged in standby for splicing it with the laminar strip of the feed reel during a joint movement of said laminar strips.

Abstract: The invention relates to a machine for producing parts made of composite materials and method for producing parts using said machine, comprising at least one drum (1) having a perforated wall, provided with a rotary drive, in relation to which there are arranged at least one applicator head (5) for applying strips of fiber, at least one cutting head (7) and at least one assembly (11) for forming tubular parts, while inside the drum (1) there is arranged a blowing system which allows air to be projected through the perforated wall of said drum (1), allowing the production of parts with an open configuration and parts with a tubular configuration using said assembly, by means of laminated surfaces (9) that are formed on the drum (1).

Abstract: The present invention relates to an application head for applying fiber strips made up of a structural assembly determining a path conveying multiple fiber strips (2) to an application area (3), each fiber strip (2) passing through a drive roller (5) and a tension regulator (6), whereas in the application area (3) the fiber strips (2) are pressed individually by a compactor system (8) comprising a series of independent partial rollers (9), each of which is arranged with a fastening comprising a system for height wise movement and a floating system.

Abstract: The present invention relates to a fastening tool for dynamically fastening parts for machining, said tool being formed by an annular frame (1) which is fastened to a rotary supporting means (2) arranged around the location of the machining tool (4) on a tool-holder head (3). The annular frame (1) incorporates a tamper formed by a rotating ball (5) and, in a diametrically opposite position, a tilting clamp (6) which incorporates a counter-tamper formed by another rotating ball (8). According to the invention, a cantilevered portion (9.1) of a part can be seized between the balls (5) and (8) of the tamper and counter-tamper in order to prevent bending and vibrations in relation to same during machining.

Abstract: The present invention relates to an automatic splicer for the continuous supply of laminar strips, comprising a reel holder for incorporating two reels that can be positioned alternately in a feed position for feeding to an application process and in a standby position, there being above the reel holder a guide rail on which a splicer head that can move in a movement projected towards a splicing zone is mounted, carrying the laminar strip of a reel arranged in standby for splicing it with the laminar strip of the feed reel during a joint movement of said laminar strips.

Abstract: The present invention relates to an installation for manufacturing fiber stringers for aerospace structures formed by at least one swivel-mounted cylindrical carousel, peripherally incorporating a distribution of male configured tools and in relation to said carousel a bed capable of lateral movement, incorporating a distribution of female configured tools, a fiber strip applicator head for making fiber laminates on the male configured tools also being arranged in relation to the carousel, which allows making omega-shaped or T-shaped stringers by means of the interaction of each male configured tool of the carousel with a respective female configured tool of the bed.

Abstract: The present invention relates to an installation for manufacturing fibre stringers for aerospace structures formed by at least one swivel-mounted cylindrical carousel, peripherally incorporating a distribution of male configured tools and in relation to said carousel a bed capable of lateral movement, incorporating a distribution of female configured tools, a fibre strip applicator head for making fibre laminates on the male configured tools also being arranged in relation to the carousel, which allows making omega-shaped or T-shaped stringers by means of the interaction of each male configured tool of the carousel with a respective female configured tool of the bed.

Abstract: The present invention relates to an application head for applying fiber strips made up of a structural assembly determining a path conveying multiple fiber strips (2) to an application area (3), each fiber strip (2) passing through a drive roller (5) and a tension regulator (6), whereas in the application area (3) the fiber strips (2) are pressed individually by a compactor system (8) comprising a series of independent partial rollers (9), each of which is arranged with a fastening comprising a system for height wise movement and a floating system.

Abstract: The invention relates to a head for application of carbon-fibre strips that has at least two spools (1) conveying respective carbon-fibre strips for the selective feed of said strips and in order thus with said strips to make up the width of the stripping for application. These spools (1) are arranged on a master roller (5) formed by independent sections that are actuated individually by respective rotary transmissions.

Abstract: The invention relates to a fiber strip multiapplicator head of the type supplying multiple independent application strips, to be compacted jointly in an area (2) by means of a roller of flexible material, the independent strips being led through hollows defined by the structural formation of a body (3) in the sides of which assemblies are arranged, which assemblies comprise respective master rollers (4) for pulling the strips synchronized with the respective cutting systems (5).

Abstract: The invention relates to improvements in fiber strip application heads for applying fiber strips (4) that are supplied with a support and protection paper (5), the fiber strip (4) to be applied being supplied with the immediate separation of the protection paper (5) at the exit from the feed reel (1), such that the fiber strip (4) circulates by itself through the head, passing through drive modules (10) formed by caterpillar strips, with the passage through a longitudinal cutting module (20) and through a waste separation module (22) in the path towards the application area.

Abstract: The invention relates to a strip-cutting system intended for the individual cutting of strips used during application processes, comprising at least one individual cutting element having a spherical general supporting body (2) into which there is introduced a part (4) in the shape of a spherical sector, the outer curve of which matches the outer surface of the general supporting body (2). The aforementioned part (4) has a blade (3) with an arched cutting edge, which projects outwards slightly, such that by means of rotating the part (4), the blade (3) can be oriented in order to make cuts at any angle against a concave roller dolly (9), with cuts being made by rotating the general supporting body (2).

Abstract: The invention relates to a fiber strip splicer for taping machines, formed by two mobile assemblies comprising respective modules (6,6?) between which the capture for joining the fiber strip (3) that is being fed to the application process and a strip (3?) intended to continue with the supply when the first strip ends is possible, the modules (6, 6?) incorporating heating means (10) to activate the fiber strips in the joining, a blade for cutting the excess of the finished fiber strip (3) after the joint, and a catch (16) for securing the end of the new fiber strip (3?) on standby for the joining.

Abstract: The invention relates to a power station on a submerged floating platform consisting of a floating structure (1) submerged at a certain depth, where it is moored by means of guy lines (2) with respect to ballasts or mooring buoys (3) located in the aquatic bed, arranging on said floating structure (1) hydraulic pumping mechanisms (5) which are operated by the weight differential of the water column between the crests and the troughs of the waves when such waves pass over them, in combination with a pneumatic system acting as a spring in said mechanisms (5) for operating an electricity-generating turbine (8) through a hydraulic closed circuit.

Abstract: The invention relates to a foundation base for mounting wind turbines in an aquatic bed and a method for manufacturing said foundation, formed by a conical structure which is made up of an assembly of columns (1) like generatrices, arranged between an upper apex core (2) and a lower annular footing (3), the constructive mounting of said assembly being carried out on an annular mold (8) which is arranged floating in the water, in which the annular footing (3) is formed, with the attachment thereon of the columns (1), which are held in the constructive formation of the structural assembly by means of a support jig (10).

Abstract: The invention relates to a flexible assembly for performing work on large surfaces. The invention comprises a mobile assembly which supports a working head and which is equipped with movement systems (1) comprising a fixing system (2) and a traction system which act in an independent or synchronised manner, such that the assembly can move in steps across the application surface.

Abstract: The invention relates to a jig for manufacturing components of aerodynes and wind turbines and a manufacturing process for these components, the jig comprising a base (10), on which at least one rigid part (7) like a flange is arranged in the upper edge of at least one of the sides, which rigid part is connected to the base (10) through an elastic hinge (8), which can driven to pivot between a raised closed position and a lowered open position, for the molding and demolding of the components to be manufactured by means of incorporating fiber strip layers on the surface that they determine between the base (10) and the flange or flanges (7).