Method and apparatus for producing novelty yarn

Claim 1

APPARATUS FOR MAKING NOVELTY YARNS, WHICH COMPRISES A ZONE FOR SEPARATING AND WHIPPING ABOUT THE FILAMENTS OF A BUNDLE OF FILAMENTS SUPPLIED THERETO TO FORM CONVOLUTIONS IN SAID FILAMENTS, MEANS FOR SUPPLYING SAID BUNDLE OF FILAMENTS IN THE FORM OF YARN TO SAID ZONE AT A SUBSTANTIALLY CONSTANT RATE, MEANS FOR WITHDRAWING SAID FILAMENTS FROM SAID ZONE AND FOR REFORMING THEM INTO YARN UNDER A TENSION SUFFICIENTLY LOW TO PREVENT SAID CONVOLUTIONS FROM STRAIGHTENING OUT SO AS TO FORM A BULKY YARN, AND MEANS FOR INTERMITTENTLY INCREASING THE RATE OF WITHDRAWAL OF SAID FILAMENTS FROM SAID ZONE TO PRODUCE A YARN WHOSE BULKINESS VARIES INTERMITTENTLY ALONG ITS LENGTH, SAID MEANS FOR WITHDRAWING SAID FILAMENTS FROM SAID ZONE COMPRISING A PAIR OF FEED ROLLS AND A DRIVEN ROTATING YARN PACKAGE SUPPORT FOR TWISTING SAID FILAMENTS AND WINDING THEM ON SAID YARN PACKAGE SUPPORT, AND SAID MEANS FOR INCREASING THE RATE OF WITHDRAWAL COMPRISING MEANS FOR INTERMITTENTLY EFFECTING THE DISENGAGEMENT OF ONE OF SAID PAIR OF ROLLS FROM SAID YARN.