Patent ID: 6838402
Filing Date: 2005-01-04
Classification: D01F,D04H,Y10T

Abstract:
1. A fiber bundle comprising a plurality of bulked drawn plastically deformed non-elastomeric microfilaments substantially surrounding and covering from view in an unstretched condition a plurality of elastomeric microfilaments that are shorter than said less bulky than said non-elastomeric microfilaments, said elastomeric and non-elastomeric microfilaments originating from a common multicomponent fiber having elastomeric and non-elastomeric components, wherein said non-elastomeric polymer has a solubility parameter (δ) sufficiently different from said non-elastomeric polymer so that said elastomeric component and said non-elastomeric component split upon thermal activation and further wherein the weight ratio of the non-elastomeric microfilaments within the fiber bundle is substantially identical to the weight ratio of the non-elastomeric component within the multicomponent fiber wherein the multicomponent fiber is drawn without heat.