Fluidizing and suction withdrawal unit including a level sensor
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United States of America Patent
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-
May 26, 1992
Grant Date -
N/A
app pub date -
Apr 12, 1991
filing date -
Apr 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluidizing and suction withdrawal unit (14) which can be lowered into a container (20) holding a powder (22), in order to fluidize the powder and withdraw the fluidized powder (92) by suction. The fluidizing and suction withdrawal unit (14) is provided with a level sensor (88) which generates a signal, in contingence on the immersion depth (80, 82) to which the fluidizing and suction withdrawal unit (14) is immersed in a powder layer (92) fluidized by it. This assures a consistent feed capacity which also in the case of direct connection of a spray device (76) results in the coating of articles at good coating qualities.
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