Dry washing device
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United States of America Patent
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May 1, 2012
Grant Date -
Jul 30, 2009
app pub date -
Jan 13, 2006
filing date -
Jan 13, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A dry cleaning apparatus separates heavy objects from mixture of the heavy objects and light objects having specific gravities smaller than those of the heavy objects. The dry cleaning apparatus includes a casing having a tubular shape having a center axis, an internal cylinder provided in the casing, a recovery section for recovering the heavy objects, a loading section for loading the mixture to above the internal cylinder, a flow inlet for introducing air to between the casing and the internal cylinder, and an outlet for discharging the light objects and air from between the casing and the internal cylinder. The casing has an inner surface extending substantially in parallel to a center axis. The internal cylinder has an upper surface having a center portion projecting upwardly, and has an outer surface having a portion which extends in parallel to the inner surface of the casing and which faces the inner surface of the casing. The recovery section is located under the internal cylinder.
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