Patent application number | Description | Published |
20130082417 | METHOD FOR MANUFACTURING AN ARTICLE MADE OF COMPOSITE MATERIAL - A method for manufacturing an article made of a composite material including a polymer matrix reinforced by a fibrous structure, the method including: placing the fibrous structure on a substrate; forming a molding surface, covering the structure with a mating mold; and compacting the structure by moving the surface of the mating mold toward the surface of the substrate. The substrate includes a cylindrical portion and a wall positioned radially relative to the cylindrical portion, and the mating mold includes two portions that are mobile relative to one another and that are moved toward the axis of the cylindrical portion and towards the radial wall of the substrate, respectively. The method can be used for example for manufacturing a fan casing of a turbojet engine. | 04-04-2013 |
20140027046 | MACHINE FOR WINDING A FIBER TEXTURE ONTO AN IMPREGNATION MANDREL, AND THE USE OF SUCH A MACHINE FOR MAKING A GAS TURBINE CASING OUT OF COMPOSITE MATERIAL - A winding machine for winding a fiber texture on an impregnation mandrel, the winding machine including: a takeup mandrel for storing a fiber texture, the takeup mandrel having an axis of rotation; an impregnation mandrel for having superposed layers of the fiber texture stored on the takeup mandrel wound thereon, the impregnation mandrel having an axis of rotation that is substantially parallel to the axis of rotation of the takeup mandrel; at least one electric motor for driving the mandrels in rotation about their respective axes of rotation; and a control unit for controlling the at least one electric motor for driving the mandrels in rotation. | 01-30-2014 |
20140110063 | COMPACTING DEVICE FOR A MACHINE FOR WINDING A FIBROUS TEXTURE ONTO AN IMPREGNATION MANDREL - A compacting device for a machine for winding a fiber texture on an impregnation mandrel, the device including a frame including mounted thereon a compacting roller for bearing against an outside surface of an impregnation mandrel of a winding machine, and two compacting wheels, each configured to bear against a corner formed between the outside surface and a side plate of the impregnation mandrel. | 04-24-2014 |
20140197582 | PRESSURE MAINTAINING DEVICE FOR CREATING COMPOSITE COMPONENTS BY INJECTING RESIN AND ASSOCIATED METHOD - A pressure maintaining device for a resin injecting system, including a first chamber that can be connected to a pressurizing device and is able to be connected to a vacuum generating device; a second chamber that can be connected to a resin injection network of the injection system by a resin injection pipe and a resin outlet pipe, the first chamber and the second chamber being arranged so that the one is unable to leak into the other; a flexible body able to transmit pressurizing of the first chamber to the second chamber so as to apply pressure to the injection network of the injection system; a perforated rigid plate able to limit the deformation of the flexible body when the vacuum is created in the first chamber. | 07-17-2014 |
20140202300 | A DEVICE FOR ASSISTING IN CUTTING A LAYER OF FIBER TEXTURE WOUND ON AN IMPREGNATION MANDREL OF A WINDING MACHINE - A device for assisting in cutting of a fiber texture layer wound on an impregnation mandrel of a winding machine, the device including two positioning stops each configured to be positioned on a respective side plate of the impregnation mandrel, and a plate forming a cutting jig that is configured to be positioned on the fiber texture layer that is to be cut in register with the protective film, the plate including a slot extending in position between the side plates of the impregnation mandrel and serving to guide a cutting tool. | 07-24-2014 |
20140252692 | PRESSURE-MAINTENANCE DEVICE FOR PRODUCING COMPOSITE PARTS BY RESIN INJECTION AND ASSOCIATED METHOD - A pressure-maintenance device for a resin injection system including an injection network connected to an injection mould, includes a pressurisation device adapted to inject a pressurised gas into a channelling; a first connector adapted to be connected to the resin injection network and adapted to be connected to the channelling; a second connector adapted to be connected to the injection mould of the injection system; the first connector being connected to the second connector by a pressure-maintenance channelling adapted to receive the gas injected under pressure. | 09-11-2014 |