Reinforcing fibrous structure for a composite material and a part containing said structure
AssigneesSnecma, Snecma Propulsion Solide
InventorsEric Bouillon, Francois Charleux, Dominique Coupe, Bruno Dambrine, Jean Noel Mahieu
Life of this patent
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Abstract
A reinforcing fiber structure woven as a single piece for fabricating a composite material part, the fiber structure having an internal portion or core (72), and a portion adjacent to an outside surface of the structure, or skin (74, 76), and the fiber structure being formed by a three-dimensional weaving in its core using at least one weave selected from an interlock weave and a multilayer weave, and by weaving at its skin with a weave of satin type that is different from the weave in the core the weaving at the skin being of the multilayer type or of the two-dimensional type.
Claims16
A reinforcing fiber structure woven as a single piece for fabricating a composite material part, the fiber structure being at least partially formed with an internal portion or core, located between two portions adjacent to outside surfaces of the structure, or skins, the core and the skins together comprising at least three layers of weft yarns and at least three layers of warp yarns, and the fiber structure being formed by a three-dimensional weaving in its core using at least one interlock weave, and by weaving at its skin with a weave of satin type.
Dependencies are inferred from the claim text.