Energy absorbent laminate

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including interlaminar mechanical fastener

Reexamination Certificate

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C428S911000, C442S331000, C442S333000, C442S381000, C442S409000, C442S415000, C442S103000, C442S134000, C442S135000, C442S149000, C442S151000, C442S168000, C442S169000, C442S170000, C442S172000, C442S180000

Reexamination Certificate

active

07087296

ABSTRACT:
This invention provides multi-layered composites, laminates and composite joints in which at least one resin-impregnated, fiber-containing layer is joined or laminated to a core layer having a lower flexural modulus or higher elongation at break, higher toughness, or a combination of all or some of these properties. The multi-layer composite produced by laminating or joining these materials together has improved shearout, impact and cutting resistance, since stresses caused by outside forces can be more widely distributed throughout the composite.

REFERENCES:
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Reinhart et al., Engineered Materials Handbook, 1987, vol. 1: pp 27-37, “Introduction to Composites” and pp. 479-495, “Joints”.
European Search Report for EP 02 25 8062.
Examination Report for EP 02 25 8062.

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