THREE-COMPONENT YARN MANUFACTURE METHOD (VERSIONS) Russian patent published in 1997 - IPC

FIELD: production of antistatic yarn. SUBSTANCE: method involves producing yarn from the mixture of three staple filaments of three components. First component contains staple filaments having carbonaceous current-conductive core and polymeric nonconductive enclosure. Second and third components contain heat-stable staple filaments. Denier of first component filament exceeds that of second and third component filaments by no more than 2.5 times. In the process of spinning, filaments are twisted by fluid to obtain yarn. EFFECT: increased efficiency and improved quality of yarn. 15 cl