Apparatus for pneumatic transportation of particulate material such as tobacco
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 1991
Grant Date -
N/A
app pub date -
May 11, 1990
filing date -
Aug 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for transporting particulate material, such as cut tobacco, including a duct having an inlet for receiving material to be transported, an outlet for transported material, air inlet zones in the duct wall for the passage of air under pressure into the duct and air outlet zones in the duct wall wherein the inlet zones and outlet zones are positioned in the duct wall and are so dimensioned to cause an air velocity in the duct which has a first velocity component directed to urge the material transported away from the wall of the duct and a second velocity component directed to urge the material along the length of the duct.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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