Cylindrical package of low modulus, highly elastic yarn

Winding – tensioning – or guiding – Wound storage package

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242 18R, 242 43R, 242178, B65H 5500, B65H 5402, B65H 5428

Patent

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046154957

ABSTRACT:
A low-density, substantially cylindrical, wound package of substantially tensionless, low modulus, highly elastic yarn, preferably having a density of not greater than about 0.300 g/cc. Such packages are made by advancing tensionless yarn through a traversing mechanism in a stream of fluid which is moving in the same direction as the yarn and at a speed greater than the linear speed of the yarn being taken-up on the cylindrical package. Such packages are produced on apparatus for tensionless traversing of yarn wherein the yarn guide on the traversing end of the traversing element comprises the outlet of a fluid jet through which fluid is driven to maintain the tensionless condition of the yarn as it passes through the traversing element and is thereafter wound into a low density, tensionless package.

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