Adaptor for an open-end spinning arrangement and method of making same
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United States of America Patent
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-
Sep 21, 1999
Grant Date -
N/A
app pub date -
Apr 22, 1998
filing date -
Jun 12, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An adaptor is provided for an open-end rotor spinning arrangement, which adaptor is exchangeably arranged on a cover element of a spinning rotor and projects partly into the inside of the spinning rotor. The adaptor comprises the first section of a yarn withdrawal channel, as well as the end section of a fiber feed channel. On its side facing away from the spinning rotor, the adaptor has a bearing surface in the form of a plane ring surface, which by means of an axially effective fixing device is drawn against a take-up surface of the cover element. The circumferential surface of the adaptor is in the form of a cylindrical surface. A centering element, for fixing the adaptor on the take-up surface at an exact angle, is arranged at the fixing device, which centering element is disposed, in relation to the yarn withdrawal channel, almost diametrically opposite to the fixing device.
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