Friction spinning roller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 27, 1987
Grant Date -
N/A
app pub date -
Sep 25, 1986
filing date -
Sep 26, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The perforated roller of a friction spinning unit includes an outer sleeve having vent openings at one end to provide an air leakage path which by-passes the adjacent bearing of the sleeve, and further by-passing vent passages radially outwardly of the bearing at the opposite end of the sleeve.
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