Elliptical-sectioned drum system with helical expander
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United States of America Patent
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Apr 16, 2013
Grant Date -
Apr 28, 2011
app pub date -
May 27, 2009
filing date -
Jun 19, 2008
priority date (Note) -
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Abstract
An apparatus for processing a fabric has a drum with an elliptically-shaped cross-section having a pair of narrow sides and a pair of broad sides. Each of the narrow sides have an impact edge. Each of the pair of broad sides has a sliding surface. The drum has a differential helical expander formed on an outer surface thereof. A bearing and drive shaft set are affixed to the drum so as to impact rotational motion to the drum.
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Cited Art Landscape
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