ES393367A2 - Textile machines - Google Patents

Abstract

Improvements introduced in the object of the main patent number 370,009, issued on April 15, 1971, for: "A textile machine", according to which a textile machine that has working instruments that include stockings to imperatively feed a plurality of ends of Thread to other machine working instruments at a predetermined demand rate comprises, in combination, an apparatus for controlling the tension of each strand of thread at a predetermined tension level as such ends move along predetermined paths for moving to said imperative yarn feeding means, said apparatus comprising separate means of said textile machine working instruments for supporting a plurality of yarn supply packages, yarn applying roller means arranged in said predetermined displacement paths between said package support means and said supply means yarn ion to be applied to each yarn end moving along said predetermined paths, yarn tensioning means arranged between said pack support means and said roller means to exert a determinable restraining force on each of said ends thread means means for rotatingly activating said roller means with a linear surface speed greater than said predetermined demand speed, in order to reduce the tension in each one of said thread ends from which it results from said restraining force of the means yarn tensioners up to said predetermined tension level, and of maintaining a predetermined imbalance therebetween by advancing each yarn strand along said predetermined paths as said strand is brought into transient friction contact with said roller means, mutually cooperating said roller means, said tensioning means and said driving means for maintaining a substantially constant tension in said plurality of yarn ends present in said yarn feeding means, even during the tension fluctuations thereof between said yarn supply packages and said tensioning means, and means for applying a fluid treatment to the yarns between said yarn applying roller means and said imperative yarn feeding means. (Machine-translation by Google Translate, not legally binding)