Mechanism for the stretching of threads or synthetic filaments (Machine-translation by Google Translate, not legally binding)

摘要

Mechanism for the drawing of synthetic threads or filaments, constituted by a feeding group and a drawing group, each of which comprises a main cylindrical surface driven in rotation, and a cylindrical surface of advance, with axis inclined with respect to the main, in order to advance the yarn along a substantially helical path; the number of revolutions and diameters of said main surfaces being such that the yarn speed is greater in the drafting group than in the feeding group, at the desired stretch degree; characterized in that the main cylindrical surfaces are coaxial and one is arranged in the extension of the other. (Machine-translation by Google Translate, not legally binding)