In a method for manufacturing a high-pressure tank, a fiber bundle impregnated with a thermosetting resin base material is wound around an outer surface of a liner in a state where tension is applied to the fiber bundle in a filament winding step. The filament winding step includes a pressure-bonding step and a cutting step. In the pressure-bonding step, a terminal end portion which is a winding end of the fiber bundle is thermocompression-bonded to an outer peripheral portion of the fiber bundle wound around the liner. In the cutting step, a surplus portion of the fiber bundle is cut by a cutting tool.

A pulforming system for forming a three-dimensional article includes a plurality of fibers, a resin injection system, resin, a preform die, a movable first pulling sled, a movable second pulling sled and a cutting station. The first and second pulling sleds form the fibers and resin into an article using a sequential, continual movement process of back-and-forth translational motion in unison to form an article that is three-dimensional in one or more of a longitudinal or transverse direction.

A method for forming fiber composite preforms, the preform (1) include a web (2), a flange (3) and a bent part (2.1), and the method includes: laying-up a laminate (4) onto a tooling (5), the laminate (4) comprising lateral and transverse edges (4.1, 4.2) and the tooling (5) comprising a male part (7) comprising a surface (7.1) and a lateral wall (7.2), the web (2) being configured to be located over the surface (7.1) of the male part (7) and the flange (3) being configured to be located over the lateral wall (7.2) of the male part (7); forming the preform (1) over the male part (7); clamping the lateral edges (4.2) of the laminate (4) to the tooling (5) such that the web (2) and the flange (3) of the laid-up laminate (4) are kept under tensional loads, and bending a longitudinal portion of the male part (7).

Provided is an automated method for trimming a multi-ply structure having at least a first ply and a second ply, where the method includes applying the first ply over a platen, positioning a cutting board over a protected portion of the first ply, applying the second ply over the platen such that the cutting board is between the protected portion of the first ply and a superjacent portion of the second ply, and cutting the superjacent portion of the second ply.

A method for preparing a part using a rigid tool surface having a shape. The method includes applying a breather sheet comprising gas-permeable material over the rigid tool surface. A vacuum bag is applied over the breather sheet, and a vacuum pressure is applied underneath the vacuum bag to conform the breather sheet and the vacuum bag to the shape of the rigid tool surface. A resin pre-impregnated ply is applied over the vacuum bag, and the part is positioned over the ply.

A material is formed by dividing a fabric into pieces that are substantially parallelogon in shape, the fabric having multiple parallel fibres. The pieces are placed, for example, with a pick and place machine, adjacent to each other on a carrier veil with fibres of adjacent of the pieces in substantial alignment. The pieces are attached to the carrier veil to form the material, the material including the pieces and the carrier veil.

A fiber-reinforced resin molded article is produced by pressing a plurality of thermoplastic base material sheets, each of which contains a plurality of reinforcing fibers, in a stacked state where the base material sheets are stacked so that the fiber directions (orientation direction of the reinforcing fibers) are alternated. Each base material sheet is provided with a cut including: a plurality of lengthwise cut lines extending parallel to the fiber direction; and a plurality of crosswise cut lines extending parallel to a direction that is perpendicular to the fiber direction. A plurality of cut interruption parts for interrupting the lengthwise cut lines in the fiber direction are formed. The cut interruption parts are arranged in a staggered manner so as to be displaced from each other in the fiber direction.

Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into an conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

Enclosure parts for portable information handling systems may be made by heat pressing material layers together. The material layers may include outer fiber-reinforced thermoplastic layers and a core thermoplastic layer comprising a plurality of thermoplastic film layers. The core thermoplastic layer may be die cut to create voids that reduce weight of the enclosure part. A finishing layer may be added, along with attachment features.

A method for the simultaneous production of two or more fiber composite components, to a fiber composite component, to a rotor blade of a wind power installation, as well as to a wind power installation. A method for the simultaneous production of two or more fiber composite components, in particular of two or more substantially identical fiber composite components which have a component contour, the method comprising providing at least one fibrous material, at least one planar separation element, and at least one matrix material, wherein the at least one planar separation element at least in portions is permeable to the matrix material; producing a semi-finished fibrous pack by disposing the fibrous material layer-by-layer so as to form semi-finished fibrous products stacked on top of one another, wherein at least one of the planar separation elements is in each case disposed between the semi-finish fibrous products; infusing the semi-finished fibrous pack with the matrix material; cutting the component contour into the infused semi-finished fibrous pack.