Elastic fiber, elastic fiber covered yarn and reeling manufacturing methods thereof

Abstract

The present disclosure relates to an elastic fiber, an elastic fiber covered yarn and reeling manufacturing methods thereof. The reeling manufacturing method of an elastic fiber includes: providing an elastic fiber material, the elastic fiber material having a core portion and a skin portion, the skin portion covering the core portion; performing a first extending, to have the elastic fiber material passing a first guiding roller, the speed of the first guiding roller being 500-1500 m/min; performing a second extending, to have the elastic fiber material passing a second guiding roller, the speed of the second guiding roller being 1200-2400 m/min; and performing a third extending, to have the elastic fiber material passing a third guiding roller, the speed of the third guiding roller is 1300-2600 m/min.

Dependencies are inferred from the claim text.