Apparatus of a spinning machine for condensing a fiber strand
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 11, 2001
Grant Date -
Aug 23, 2001
app pub date -
Feb 12, 2001
filing date -
Feb 22, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A condensing zone for condensing a drafted fiber strand is disposed downstream of a front roller pair of a drafting unit of a ring spinning machine. The condensing zone comprises a stationary sliding surface having a suction slit, over which the fiber strand is transported by an air-permeable transport belt. The condensing zone is bordered on its exit side by a nipping roller disposed on the transport belt. The nipping roller drives the transport belt and is in turn driven by the front pressure roller of the drafting unit. The front pressure roller is, for this purpose, connected with the nipping roller via a drive belt, preferably a toothed belt. The nipping roller and the front pressure roller are arranged on supporting arms which can be spread apart and which tension the drive belt.
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