Unidirectional sheet made of a composite
AssigneeSA Schappe
InventorsJean Guevel, Guy Bontemps
Life of this patent
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Abstract
The invention concerns a web comprising an intimate mixture of mixed slivers of long reinforcing staple fibres (14) obtained by stretch-breaking and long thermoplastic matrix fibres (15), those different fibres being parallel in the mixture.
Claims8
A unidirectional sheet made of a composite, wherein the unidirectional sheet comprises an intimate mixture of mixed tapes, wherein the mixed tapes comprise long discontinuous and mutually parallel reinforcing fibers obtained by cracking and long thermoplastic matrix fibers, and wherein the reinforcing fibers and thermoplastic matrix fibers are heated such that the reinforcing fibers are embedded in a solid thermoplastic polymer matrix formed of melted thermoplastic matrix fibers.
Dependencies are inferred from the claim text.