US 2003/0110754 A1 · Method for false twisting filament yarn and a false twisting nozzle consisting of several components

Abstract

The invention relates to false twist nozzles by means of which one or more threads are impinged upon with an intensive twisting flow. At least one part of the conventional mechanic false twist producing devices can be replaced by optimising the air channels by means of a powerful twisting flow. A twist insertion plate is the new central element. A false twist nozzle is provided with at least one plate as the twist insertion plate having a continuous yarn channel component and a tangential channel and at least one element having an air supply device that extends in parallel in relation to the axis of the yarn channel, corresponds to the twist insertion plate and flows into the acceleration channel. The inventive solution enables a plurality of embodiments for a single thread or yarn sheet treatment. S and Z twist can be freely combined. The false twist nozzles can be used as subassemblies block by block or individually.

Claims26

Dependent claims

Method for false twisting of filament yarn, where the filament yarn is transported through the continuous yarn channel of a false twist nozzle that is free on the entry side and the exit side, characterized in that

the compressed air is guided in the false twist nozzle in the direction and/or along the yarn transport path and then tangentially into the yarn channel so that a twist flow in the yarn channel generates the false twist on the freely passing-through filament yarn and that the false twist effect can be fixed by to a preceding heat treatment, and a crimp quality of the yarn can be pulled off.

Multi-component false twist nozzle to generate a false twist textured filament yarn (10) having a continuous yarn channel (3) that is free on the entry side and on the exit side as well as an insert with tangential compressed air entry into the yarn channel (3), characterized in that

it has at least one twist insert plate (1, 1′, 1x) with a compressed air boring that runs in the direction of the yarn channel axis and a continuous yarn channel element (3′), as well as a tangential channel that runs from the compressed air boring into the yarn channel element, and at least one more element (7) having at least one each yarn channel element and/or a compressed air boring that corresponds with the twist insert plate (1, 1′, lx).

Dependencies are inferred from the claim text.

Method for false twisting filament yarn and a false twisting nozzle consisting of several components

Life of this patent

Method for false twisting filament yarn and a false twisting nozzle consisting of several components

Life of this patent

Abstract

Claims26