Patent ID: 8347597

Claim:
A thread draw-off nozzle for an open-end spinning device, comprising: a nozzle funnel, said nozzle funnel defining a yarn deflection zone disposed to deflect a yarn produced in the open-end spinning device during a yarn draw-off process; said nozzle funnel formed as a two-part component having a radially outer external part defining a first area of said deflection zone, and a radially inner internal part defining a second area of said deflection zone; said external part and said internal part of said nozzle funnel having different materials defining said first area and said second area, respectively, said different materials having different thermal or wear characteristics and, wherein said external part is formed of a metal in said first area of said deflection zone having a high thermal conductivity and said internal part is formed of a ceramic material in said second area of said deflection zone having a high wear resistance.