Patent classifications
B29C70/548
FIBER-REINFORCED COMPOSITE MATERIAL SHAPING DEVICE AND FIBER-REINFORCED COMPOSITE MATERIAL SHAPING METHOD
Provided is a fiber-reinforced composite material shaping device including: core units; a shaping mold having a recessed portion for accommodating the core units; a seal member for sealing a fiber base material in the shaping mold to form a sealed space; an aspiration unit for reducing the pressure in the sealed space; a resin injection unit for injecting a resin material into the sealed space; and moving mechanisms for separating a first shaping surface away from the fiber base material, which contains a resin material that has been shaped by the first shaping surface and cured. Formed on the first shaping surface is a first groove section extending in a predetermined direction. The moving mechanisms move the core units along a predetermined direction in which the first groove section extends, while maintaining a state in which the first shaping surface is in contact with the fiber base material.
Impregnation mould having needles for producing a part from a woven preform
The invention relates to an impregnation mould for manufacturing a turbine engine part, made of composite material, obtained from a preform made of a weave of fibres, said mould having first and second portions provided with respective recesses that define a cavity capable of receiving the preform, in which at least one injection means of the mould allows a resin to be injected in order to impregnate said preform, wherein said at least one injection means has a plurality of tubular injection needles, which are capable of extending from at least one of the first and second recesses to penetrate at least the weave of the preform in order to allow resin to be injected.
Construction of tubular assemblies
A method and apparatus for constructing a tubular assembly 40 comprising an inner portion (24) and a further portion (23) surrounding the inner portion. The inner portion (24) comprises reinforcement (37) and the further portion (23) being formed from a strip (50) of material comprising two opposed longitudinal marginal side portions (53). The apparatus comprises an assembly station (220) comprising a wall (253). The apparatus comprises means for advancing the inner portion (21) along a first path (231) extending passed the wall (253), and means for advancing the strip (50) along a second path (232) and causing the strip to encircle the wall (253) and thereby wrap about and surround the inner portion (21). The apparatus further comprises means (321) for introducing resinous binder into the reinforcement (37) as the strip (50) is being wrapped about the inner portion (21).
Preform shaping apparatus, preform shaping method and composite material molding method
According to one implementation, a preform shaping apparatus includes at least one mold and at least one pin. The at least one mold is a mold for placing and shaping a laminated body of fiber sheets which is a material of a fiber reinforced plastic. The at least one pin prevents the fiber sheets from being misaligned by stinging the laminated body of the fiber sheets with the at least one pin. Further, according to one implementation, a preform shaping method for producing a preform includes: placing a laminated body of fiber sheets, which is a material of a fiber reinforced plastic, on at least one mold; shaping the laminated body of the fiber sheets; and preventing the fiber sheets from being misaligned by stinging the laminated body of the fiber sheets with at least one pin.
FIBER-REINFORCED COMPOSITE MATERIAL MOLDING APPARATUS AND FIBER-REINFORCED COMPOSITE MATERIAL MOLDING METHOD
A fiber-reinforced composite material molding apparatus includes a molding die, a bagging film that seals a fiber base material in the molding die to form a hermetically sealed space, an intake line that depressurizes the hermetically sealed space, and a resin injection line that injects a resin material into the fiber base material. The molding die includes a main body portion including a main groove that extends along a longitudinal direction and is connected to the resin injection line, lateral grooves that are formed at a plurality of positions in the longitudinal direction and extend along a width direction, and a step portion that extends along the longitudinal direction and is disposed between the main groove and the lateral grooves, and a lid portion that extends along the longitudinal direction, is disposed being in contact with the step portion to cover the main groove, and forms a part of a molding surface. The main body portion includes a communication groove through which the main groove is communicated with the lateral grooves.
Continuous channel resin transfer molding with rapid cycle time
A process for resin transfer molding (RTM) with injection and overflowing of a resin through one or more troughs is provided that includes the injection of resin into a plurality of injection ports feeding the one or more troughs and overflowing the resin in into a mold. The temperature and pressure are controlled as applied to the mold. The injection ports are activated for injecting the resin in any order of individually, in groups, or pairings. A resin transfer molding (RTM) system for performing the process includes a mold having a cavity. A set of injection ports feed one or more continuous channels between the cavity and a reservoir of resin. A numerical controller selectively activates the injection ports to overflow the resin into the cavity in any order of individually, in groups, or pairing.
Tooling assembly and associated system and method for manufacturing a porous composite structure
A tooling assembly for manufacturing a porous composite structure. The tooling assembly includes a first tooling member and a second tooling member. The first tooling member includes a first body that defines a first internal volume and a first inlet. The first inlet is fluidly coupled with the first internal volume. The first tooling member also includes a first tooling surface that defines a plurality of first perforations that are fluidly coupled with the first internal volume. The second tooling member includes a second body that defines a second internal volume and a second inlet. The second inlet is fluidly coupled with the second internal volume. The second tooling member also includes a second tooling surface that defines a plurality of second perforations that are fluidly coupled with the second internal volume.
METHOD FOR MANUFACTURING HIGH-PRESSURE TANK, HIGH-PRESSURE TANK MANUFACTURING APPARATUS, AND NON-TRANSITORY STORAGE MEDIUM
A method for manufacturing a high-pressure tank includes an arrangement step of arranging, in a cavity of a mold, an intermediate including a liner and a fiber bundle wound around the liner, and an impregnation step of impregnating the fiber bundle with a molten resin in the cavity by increasing a pressure on the molten resin injected into the cavity. The impregnation step includes a pressure increasing step of increasing an internal pressure of the intermediate when increasing the pressure on the molten resin.
DEVICE AND METHOD
A device for manufacturing a composite component including a tool with a first and second sections forming first and second confinement surfaces, the sections movable relative to each other into and out of a fastening configuration. The device includes a closing mechanism with a closing section. In the fastening configuration, the first confinement surface and the second confinement surface face one another, and the sections and the closing mechanism are arranged such that a cavity is formed between the sections and the closing mechanism. The closing section is transferable from an open configuration into a closed configuration. In the closed configuration, the third confinement surface extends along a plane perpendicular to the first and second confinement surfaces, wherein, when the closing mechanism is heated from a first temperature to a second temperature, the closing section transfers from the open configuration into the closed configuration at a predefined temperature.
Apparatus for fine and controlled adjustment of an injection molding process and related industrial process
The invention relates to an apparatus for fine and controlled adjustment of an injection molding process and a related industrial process. The apparatus (1) has a sealed mold (2) supplied with fluid reactive resin via a supply inlet (8) and by means of a mixing and injection head (9) so as to impregnate with said resin fibers of composite material loaded inside a cavity (6) of the mold (2) and wherein at least one storage container (10) having an inlet/outlet opening (11) in fluid communication with an outlet (13) of said injection head (9) is provided so as to store a predefined quantity of fluid resin inside a storage chamber (16) prior to completion of the injection phase. Advantageously, the storage container (10) is a cylinder (18) defining internally a storage chamber (16) which houses slidably inside it a plunger (21) operated by an actuator (25) configured as a cylinder/piston assembly arranged as a coaxial extension of said cylinder (18) and comprising an actuating piston (15) having a stem (22) coinciding with the stem of said plunger (21); the cylinder (18) of the storage chamber (16) and the cylinder (14) of said actuator (25) having cross-sections different from each other.