A mold system for a resin transfer molding process is presented, in which a cavity of a workpiece (1) to be produced is fully enclosed circumferentially by a multi-part shaping mold (2). The shaping mold (2) is enclosed in a sealed manner by an outer, two or more part enveloping mold (7, 8). A method for consolidating a fiber composite component with this mold system and a method for producing a fiber composite component on the basis of the RTM process is provided, in which the intermediate space between a shaping mold (2) and a surrounding enveloping mold (7, 8) is filled with resin during the resin injection. After curing the resin initially remains on the shaping mold (2) as a resin body but is destroyed during the demolding of the workpiece (1), at predetermined breaking points. The demolding of the workpiece (1) from the shaping mold (2) is assisted.

A resin barrier device (5) for an infusion tool (1) includes a tubular intermediate piece (15) having a first end (17), which is adapted for connection to a venting outlet (3) of an infusion tool (1), having an opposite second end (19) adapted to be connected to a ventilation line (7), and having a channel (27) surrounded by a pipe wall (25), which forms a fluid connection between the first end (17) and the second end (19), and a semi-permeable barrier wall (29) provided in the channel (27), which is arranged to let an airflow pass from said first end (17) to said second end (19) and to block a resin flow from the first end (19) to the second end (19).

One embodiment of a method according to the present disclosure may use a fixture with one or more boot recesses formed therein. An embedded member may be engaged with a boot and placed in a boot recess. Substrate lay-up may be placed around all or a portion of the embedded member and an outer member may be positioned over the substrate lay-up. A cover may be positioned over the outer member and engaged with the fixture. The pressure within an interior portion of the fixture may be reduced to less than ambient pressure and resin may be introduced to interact with the substrate lay-up and allowed to cure.

Provided is a method for manufacturing a tank and a manufacturing device thereof that can achieve resin impregnation within a short time. The method wraps fibers in an overlapping manner in a radial direction around an outer surface of a liner such that a first fiber layer (braiding layer) on an outer surface of a dome portion is less dense than a second fiber layer (helical layer) on an outer surface of a straight body portion and such that a portion of a lamina of the first fiber layer, which is less dense, is interposed continuously from the first fiber layer partially between laminae of the second fiber layer, and then impregnates the fiber layer including the first fiber layer and the second fiber layer with a resin.

A method of manufacturing a shell of a wind turbine blade is disclosed. The method of manufacturing includes laying one or more layers of fiber on a surface of mould to form the shell. A spar element is positioned at a pre-defined position on the one or more layers of fiber, and a vacuum bag is positioned or covered around the one or more layers of fiber and the spar element. The method further includes step of infusion of resin through the one or more layers of fiber and the spar element. The resin is subsequently allowed to cure to obtain the shell of the wind turbine blade. The spar element is thus adhered to the shell through resin infusion process.

A method for manufacturing a composite material includes placing a netlike sheet material, through which a resin composition permeates, on reinforcing fiber substrates disposed on a forming die. The method includes covering the reinforcing fiber substrates disposed on the forming die and the bag surface-smoothing sheet with a bag film to form a sealed forming space between the bag film and the forming die. The method includes infusing a resin composition into the forming space to impregnate the reinforcing fiber substrates. The method includes curing the resin composition impregnated in the reinforcing fiber substrates. Warp yarns and weft yarns are disposed in a lattice pattern and, after placing the bag surface-smoothing sheet on the reinforcing fiber substrates so that the warp yarns and the weft yarns form acute angles with respect to corners of the reinforcing fiber substrates, the bag surface-smoothing sheet projecting from the reinforcing fiber substrates is bent.

A method for manufacturing a composite fiber component for a rotor blade of a wind turbine that includes introducing a fiber material into a mold, supplying a flowable matrix material via a longitudinally extending runner of the mold using a vacuum infusion method such that the fiber material is soaked with matrix material from the runner and the matrix material flows transversely to the longitudinal extension of the runner such that a first region of the fiber material is substantially soaked with matrix material from a first section of the runner and a second region of the fiber material is substantially soaked with matrix material from a second region of the runner, and matrix material flow rates are set for the first section and the second section of the runner depending on thicknesses of the fiber material in the first region and the second region of the runner, respectively.

A pressure vessel having a hollow body wound with a continuous filament, whereby the filament is embedded in a thermoplastic matrix, is provided, as well as a method for producing such a vessel. The method involves: (i) wrapping a hollow body with at least one continuous filament; (ii) impregnating the filament winding with a polymerizable mixture, whereby the wound body is inside a mold that surrounds the wound body; and (iii) polymerizing the polymerizable mixture in order to form a plastic matrix that embeds the filament winding.

In a method for producing a fiber composite component by vacuum injection, a fiber composite semifinished product is arranged in a component chamber of a tool. A vacuum chamber is arranged adjacent to the component chamber. The vacuum chamber is separated from the component chamber by a separation material. Component chamber and vacuum chamber are sealed relative to the tool environment by a gas-tight and matrix-material tight cover material. Vacuum is applied to the vacuum chamber and a matrix material is introduced into the component chamber. The matrix material is cured and the finished fiber composite component is removed from the component chamber. The separation material separating the vacuum chamber from the component chamber has a pore size between 0.4 m and 30 m and provides a matrix material-slowing action but is not matrix material-tight.

A vehicle seat frame includes a back panel and a load carrier component attached to the back panel. The back panel includes a first polymeric matrix and a first plurality of fibers disposed therein. The load carrier component includes a second polymer matrix and a second plurality of fibers disposed therein.