Tube with suction slots for a unit for condensing a bundle of textile fibres drafted in a spinning machine
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United States of America Patent
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-
May 27, 2003
Grant Date -
Oct 31, 2002
app pub date -
Apr 30, 2002
filing date -
Apr 30, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A condensing unit for condensing a bundle of textile fibers comprises a fixed tube of circular cross-section, which is common to several spinning stations located side by side, is connected to a suction source, and has a suction slot in each station. Filtering sleeves are mounted so as to be freely rotatable on the tube and have perforated portions which cover the corresponding slots. The tube has, in each spinning station, a recess which extends along an arc of the circumference of the tube. This recess has a pair of axially spaced-apart radial surfaces which cooperate with the sleeve in order to keep it in the correct axial position along the tube with the perforated portion over the slot.
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