Composite

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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Details

C428S294700, C428S373000, C428S375000, C428S396000, C264S112000, C264S171100, C264S122000, C264S480000

Reexamination Certificate

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06902800

ABSTRACT:
A composite comprising a structural component and a matrix component, the structural component comprising structural fibers and a toughening additive comprising non structural fibers of a first thermoplastic material and the matrix component comprising a second thermoplastic material. The structural component is a fabric formed from the structural fibers and the non structural thermoplastic fibers, the fabric comprising non structural thermoplastic fibers which are in fibre form in the final composite. The first and second thermoplastic materials differ as to their molecular weight or are dissimilar.

REFERENCES:
patent: 4911718 (1990-03-01), Lee et al.
patent: 5132394 (1992-07-01), Bockrath
patent: 5624386 (1997-04-01), Tailor et al.
patent: 5910361 (1999-06-01), Guevel et al.
patent: 6003276 (1999-12-01), Hegemier et al.
patent: 6237292 (2001-05-01), Hegemier et al.
patent: 6616971 (2003-09-01), Evans
patent: 6716776 (2004-04-01), Morishima et al.
patent: 0 539 996 (1992-10-01), None
patent: 2 323 322 (1998-09-01), None
patent: 04249152 (1992-04-01), None

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