Apparatus and method for condensing a drafted fiber strand
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 8, 2002
Grant Date -
N/A
app pub date -
May 30, 2000
filing date -
May 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A condensing zone for condensing a drafted fiber strand is arranged downstream of the front roller pair of a drafting apparatus of a ring spinning machine. The condensing zone includes a stationary sliding surface having a suction slit, over which the fiber strand is transported by a perforated transport belt. The condensing zone is bordered on its exit side by a nipping roller which is disposed on the transport belt. The nipping roller drives the transport belt and is in turn driven by a friction roller. The friction roller is pressed, by means of a loading spring, onto the nipping roller as well as onto a roller of the front roller pair of the drafting apparatus.
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