Fiber preform of commingled fiber bundle for overmolding
AssigneeCoats Group PLC
InventorProbir Kumar Guha
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Abstract
A fiber preform for use in a resin transfer molding or liquid composite molding process and process of making the same are provided. The preform includes a substrate, a fiber bundle arranged on the substrate in a predetermined pattern and attached to the substrate by a plurality of stitches of a thread. The fiber preform is capable of being pre-formed into a three-dimensional shape. The fiber preform along with a sheet of preformed thermoset resin that impregnates at least a portion of the fiber preform forms a composite material. The fiber preform reinforces areas of stress concentration of a core to form a vehicle component.
Claims20
A fiber preform for use in a molding process, the fiber preform comprising:
- a substrate;
- a fiber bundle comprising one or more types of reinforcing fibers;
- a thread;
- and
- wherein the fiber bundle is arranged on the substrate and attached to the substrate by a plurality of stitches of the thread to form a first preform layer having a principal orientation.
Dependencies are inferred from the claim text.