Apparatus and method for tensionless winding of low modulus elas

Details Apparatus and method for tensionless winding of low modulus elas Apparatus and method for tensionless winding of low modulus elas

1986-05-22

1987-08-25

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 43R, 242 45, B65H 5402, B65H 5428

Patent

active

046887342

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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