| 摘要 |
A conduit plate adapter (10) for an open-end spinning device (1) which device comprises a vacuum-loadable rotor housing (2) which can be sealed by a cover element (5) and which device comprises a spinning rotor (3) rotating at high speed in the rotor housing (2). The replaceable conduit plate adapter (10) is arranged in a receptacle (7) of the cover element (5) and comprises, as is customary, the mouth area (32) of a fiber guide conduit (12) as well as a yarn withdrawal nozzle (11). The fiber guide conduit section running inside the conduit plate adapter (10) has an entrance opening (28) with a non-circular cross section in the area of the conical contact surface (19) of the conduit plate adapter (10).
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