| 摘要 |
A method of increasing the hairiness and bulkiness of a thread, in an open-end rotor spinning machine having a deflection ring disposed concentric to the axis of rotation of the rotor, includes forming a false twist in the thread with the deflection ring, continuously withdrawing the thread through the deflection ring substantially along the direction of the axis of rotation of the rotor, dissolving the false twist in the thread, forming a thread balloon with the thread, bringing the thread in contact with a multiplicity of separately disposed balloon disturbance elements, and changing the diameter of the thread balloon several times during each revolution of the thread balloon, and a device for carrying out the method.
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