Abstract: A method for manufacturing a joined body according to an embodiment of the present disclosure is a method for manufacturing a joined body in which composite materials in which fibers are impregnated with resins are heated and joined to each other. The method includes: a step of aligning the composite material with each of a plurality of molding dies, heating the molding dies, and semi-curing the resins of the composite materials; and a step of joining the composite materials to each other by combining and heating the molding dies with which the composite materials are aligned after semi-curing the resins of the composite materials. The molding dies used when semi-curing the resins of the composite materials and the molding dies used when joining the composite materials to each other are the same.

Abstract: A system for densification of recycled pre-preg fibers may include a cutting device configured to receive the recycled pre-preg fibers having various lengths, and cut the recycled pre-preg fibers to produce cut fibers having a desired length, and a mixer configured to mix wetted, cut fibers to generate bound fibers having an increased bulk density relative to a bulk density of the cut fibers.

Abstract: A fiber feeding device includes rollers, a brake and a belt conveyor. The rollers guide feeding out of tapes. The tapes are arrayed without overlapping the tapes in a width direction. The brake stops first feeding out of a first tape. The belt conveyor feeds out second feeding out of a second tape. The second tape is guided by a selected roller. The second tape is fed out by being sandwiched between the selected roller and the belt conveyor. The selected roller approaches the belt conveyor to sandwich the second tape between the selected roller and the belt conveyor while a nonselected roller retreats from the belt conveyor to prevent a third tape from being sandwiched between the nonselected roller and the belt conveyor. The third tape is guided by the nonselected roller. The third tape includes the first tape.

Abstract: One object of the present invention is to provide a burner for producing inorganic spheroidized particles which can efficiently melt and spheroidize even organic powder with a large particle size distribution.

Abstract: A composite part forming system for shaping a composite material blank having a plurality of plies, the composite part forming system comprising opposing tools including shape-forming features, an actuator, and a composite tensioning system. The composite tensioning system is connectable to a periphery of the composite material blank to apply tension to the composite material blank the first and second tools are moved together to cause the composite material blank to conform to the shape-forming features. The composite tensioning system is configured to apply more tension to wrinkle prone plies of the composite material blank than to non-wrinkle prone plies as the composite material blank is caused to conform to the shape-forming features.

Abstract: Process for manufacturing inflatable bodies capable of assuming a desired complexly curved shape comprising two, around their circumference hermetically bonded opposing membranes (3, 4), which are internally linked by a plurality of link tapes (1), which tapes are bonded at an exact length and inclination angle at an exactly determined position. By numerical instructions, a continuous tape is fed and bonded alternately on the insides of the membranes by means of a roboticized tape positioning head, creating bond lines (2) between the tape and a membrane. Any fold occurring through local inclination, or planar angle variation of the tape relative to a membrane is kept between two bond lines on a membrane (3,4). A roboticized tape positioning and bonding head inside, and a bond activation head outside of a membrane can position relative to a membrane (3,4) by means of printed positioning marks, optical and proximity sensors to create the bond lines (2).

Abstract: A system for pultruding a beam comprises a pulling mechanism continuously pulling on a preform of yarns including a thermoplastic matrix and fibers, the pulling mechanism being downstream of the system. A pultrusion die has a tapering channel portion heated such that the preform is at a desired low viscosity temperature for resin in the thermoplastic matrix to impregnate the fibers. A cooling tube is at a downstream end of the pultrusion die. A cooling module is spaced from the pultrusion die by the cooling tube, the cooling module to cool the cooling tube before the preform reaches the pulling mechanism, wherein the cooling tube defines a cooling channel. A pultrusion mandrel may be present.

Abstract: Provided is a microfluidic film including a base film, a microchannel, which is formed on the base film and through which a fluid flows, and a through passage, which is configured to pass through the base film and through which the base film stacked on an upper portion or a lower portion of the base film and the fluid communicate with each other.

Abstract: The present invention discloses a method for preparing a nanocomposite material for toe cap production. The nanocomposite material is made of graphene, carbon nanotubes, fiber composition, a silane coupling agent, acetic acid, acrylate rubber, a dispersant, polyethylene resin, nano-silicon carbide, calcium stearate, zinc stearate, talcum powder, modified boron nitride, a curing agent and other materials. The preparation method is convenient and simple and is suitable for large-scale production; the nanocomposite material has high toughness and strength and good water resistance, wear resistance and aging resistance; all materials have a good combination effect with the fiber composition, therefore the nanocomposite material has good mechanical properties and a light weight.

Abstract: A joining structure according to one embodiment of the present invention includes a first member and a second member, the first member having a hole extending along an axis direction, the second member including a shaft member, the shaft member being formed of a fiber-containing composite material and having a shape to fit in the hole, the second member being joined to the first member via the shaft member so that movement thereof in the axis direction is restricted.

Abstract: A core according to one aspect of the present disclosure is a core that is inserted into a space between a skin and a stringer in a step of integrally molding the skin and the stringer, the skin including fiber-reinforced resin, the stringer having a hat-shaped section that is open toward the skin. The core includes: a first die that extends along a longitudinal direction of the stringer and contacts the skin; a second die that extends along the longitudinal direction of the stringer, is adjacent to the first die, and contacts the skin; and a third die that extends along the longitudinal direction of the stringer, is located at an opposite side of the skin across the first die and the second die, and contacts both the first die and the second die.

Abstract: A seat assembly includes a fabric component with a seat surface and with an interior segment directly attached to the fabric component. The interior segment extends from an exterior segment that has a greater flexural resistance than the interior segment.

Abstract: A screw has a spiral blade for extruding and kneading a high-silica plastic elastomer containing not less than 100 phr of silica. The screw has a first section located on the most downstream side in the extrusion direction and provided with a barrier extending between the adjacent spiral blade threads, while inclining with respect to the screw axial direction. The length of the barrier is 1.5 to 3.0 times the lead length of the spiral blade in the first section. The height of the barrier is 2 to 10 mm lower than the height of the spiral blade. The barrier thickness is 0.9 to 3.0 times the height difference between the spiral blade and barrier.

Abstract: A system that uses autonomous robots for 3D manufacturing an object where the robots have different tool heads for performing different manufacturing operations.

Abstract: A wellbore sealing device may be designed and manufactured using computer-assisted design and a hybrid of automated manufacturing and molding techniques. In one example, a stress analysis is performed to identify a reinforcement region to be reinforced in a sealing device component. Reinforcement fibers are selectively arranged using automated placement of the fibers in a location within a mold corresponding to the reinforcement region. The sealing device component is then molded, with the reinforcement fibers embedded in a matrix material locking the reinforcement fibers in position within the reinforcement region.

Abstract: An example method of forming a composite structure is described that includes applying a laminated charge onto an expandable pallet, moving the expandable pallet at a translation rate and relative to a die conveyor that comprises a plurality of die sections, and driving the plurality of die sections on the die conveyor at an angle relative to the expandable pallet so as to drive the plurality of die sections progressively deeper into a recess defined by the expandable pallet and shape the laminated charge into at least part of a shape of the composite structure.

Abstract: The present invention discloses a high temperature resistant outer layer covering aerogel composite material with low dielectric, high heat insulation and high fireproof characteristics and preparation method thereof. The method comprises steps of: (1) mixing hydrolysis, (2) condensation and dispersion, (3) structure molding, (4) atmospheric pressure drying, (5) outer layer covering, (6) curing molding and (7) surface treatment. In this technology, a trace amount of water-dispersible high temperature resistant glue is added to the aerogel sol in the step of condensation and dispersion, which is injected into the fiber-containing preformed structure, and dried at high temperature and atmospheric to prepare aerogel preformed materials. And then, the aerogel preformed materials are wrapped by a high temperature resistant material and cured to prepare the aerogel composite material with low dielectric, high heat insulation and high fireproof properties.

Abstract: A fiber arranging device includes first guides, a first moving mechanism, second guides, a second moving mechanism and a roller. The first guides guide a first feeding of first tapes in a first feeding direction. The first tapes are first fibers or prepregs. The first moving mechanism changes an interval between the first guides, for the first feeding of the first tapes with a first interval. The second guides guide a second feeding of second tapes in a second feeding direction. The second tapes are second fibers or prepregs. The second moving mechanism changes an interval between the second guides, for the second feeding of the second tapes with a second interval. The roller feeds the first tapes and the second tapes in a same feeding direction by disposing the first tapes and the second tapes alternately.

Abstract: A method for fabricating a preform for a portion of an aircraft includes acquiring a sheet of broad good fiber reinforced material, trimming the sheet to form layup pieces having boundaries, placing the boundaries into alignment, arranging the layup pieces in a layup pattern to form a ply, performing a placement operation that transports the layup pattern onto a layup mandrel, and shaping the layup pattern into conformance with a contour of the layup mandrel.

Abstract: An impact resistant textile-supported garment, or component thereof, comprises a fabric layer, and (i) at least five non-interconnected impact resistant polyurethane segments upon an outer surface of the fabric layer, wherein at least two of the non-interconnected impact resistant polyurethane segments has a depth of at least 3 mm, preferably at least 4 mm, and wherein at least five of the plurality of non-interconnected segments have dimensions smaller than 1.75 cm×1 cm×1 cm; or (ii) at least one non-interconnected impact resistant polyurethane segment, wherein the at least one segment has a depth of at least 3 mm at its deepest part, and wherein the at least one segment is a hollow segment comprising one or more regions defined by an outer polyurethane perimeter, surrounding a region of fabric that is not covered by polyurethane.