Yarn packaging

Claim 2

In a process for drawtwisting and winding a continuous multifilament yarn at a predetermined substantially constant, traveller-inserted twist level, using a ring-traveller-spindle take-up mechanism operated in accordance with a constant balloon tension-increasing traveller speed program, the improvement which comprises compensating for decrease in twist insertion value below a predetermined minimum twist insertion value which occurs during the drawtwisting operation through the inherent operation of the drawtwisting process and machinery used therefor, by interlacing Said yarn by fluid jet means positioned prior to said take-up mechanism so that said yarn is characterized by a cohesiveness along its entire length at least equivalent to said minimum twist insertion value without decreasing the winding rate of said yarn.

Claim 3

A continuous, sequential process for producing and packaging a drawn continuous multifilament yarn which comprises spinning a continuous multifilament yarn; drawing said yarn; wind said yarn at a substantially constant tension-increasing traveller speed program onto a package by means of a ring-traveller-spindle device at a low substantially constant predetermined traveller-inserted twist insertion level to insert at least a minimum acceptable twist insertion value into said yarn and interlacing said yarn immediately prior to said winding by fluid jet means to compensate for decrease in twist insertion value below said minimum level which occurs during the winding operation through the inherent operation of the winding process and machinery used therefor to produce a yarn characterized by a cohesiveness along its entire length at least equivalent to that produced by said minimum twist level in said yarn.

Claim 4

A continuous, sequential process for producing and packaging a drawn continuous multifilament yarn which comprises spinning a continuous multifilament yarn; drawing said yarn; wind said yarn at a substantially constant tension-increasing traveller speed program onto a package by means of a ring-traveller-spindle device at a low substantially constant predetermined traveller-inserted twist insertion level to insert at least a minimum acceptable twist insertion value into said yarn and interlacing said yarn immediately prior to said winding by fluid jet means to compensate for decrease in twist insertion value below said minimum level which occurs during the winding operation through the inherent operation of the winding process and machinery used therefor to produce a yarn characterized by a cohesiveness along its entire length at least equivalent to that produced by said minimum twist level in said yarn.

Claim 5

The process of claim 2 wherein said yarn is drawn, relaxed, and drawn a second time prior to winding.

Claim 6

The process of claim 1 wherein the ring traverse stroke decreases progressively throughout the package build.

Claim 7

The process of claim 4 wherein the package build is characterized by a tapered midsection.

Claim 8

The process of claim 1 wherein said yarn is a nylon yarn.

Claim 9

The process of claim 1 wherein said predetermined twist level is about 0.15 to 1.0 turns per inch.