PROCEDIMENTO E DISPOSITIVO PER PRODURRE EFFETTI DI GROSSO/SOTTILE IN UN FILATO DI ALIMENTAZIONE DI FILAMENTI NON COMPLETAMENTE ORIENTATO

摘要

A method of and apparatus for producing a thin/thick effect yarn provides a thin/thick effect by segmentwise stretching of a filamentary precursor yarn which is combined with a fully-stretched filamentary precursor yarn so that the latter supports the former. The combination can be effected by twisting, nub entanglement or winding of one yarn around the other.