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US 6,586,092 B2Granted
Cardable fiber blend
AssigneeE. I. Du Pont de Nemours and Company
InventorAnil Kohli
Life of this patent
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Abstract
The present invention provides a cardable fiber blend which forms a moldable fiber batt, the blend comprising fibers having a modulus of 550 g/denier or more with fibers of a thermoplastic polymer wherein the high modulus polymer fibers are all uncrimped fibers or a mixture of crimped and uncrimped fibers. The moldable batt is useful in making speaker cones.
Claims5
An intimate, cardable blend comprising crimped thermoplastic fibers and fibers selected from the group consisting of uncrimped high modulus polymer fibers or a mixture of uncrimped and crimped high modulus polymer.
Dependencies are inferred from the claim text.