A yarn withdrawal nozzle for an open-end rotor spinning arrangement is provided which includes a spiral-shaped surface in the yarn deflecting area which extends essentially over the entire yarn deflecting area and designed as a continuous spiral without interruptions. In addition thereto, the nozzle throat of the yarn withdrawal nozzle includes a further surface with structure downstream of the spiral-shaped surface, including rounded notches or curved humps. Both the spiral-shaped surface and the downstream structure are so designed that they are capable of transferring forces to the yarn without damaging same. The yarn withdrawal nozzle is moulded with a mould separation provided in an area downstream of the nozzle throat to facilitate assembly.

 
Web www.patentalert.com

< Clip for clothing strips

< Method and device for contactless measurement of a linear textile formation such as yarn etc

> Carboxylic acid modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers

> Thermosetting compositions containing alternating copolymers of isobutylene type monomers

~ 00273