Foreign object barrier device for bulk material conveying ducts
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United States of America Patent
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Jun 9, 2015
Grant Date -
Jun 13, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2011
priority date (Note) -
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Abstract
A device disposable between upstream and downstream openings of components conveying a fine bulk material, including a housing displaceable between such component openings, having an opening therethrough for conducting such material, and at least one conduit supported on such housing, spanning the opening in such housing, in the path of the flow of such material therethrough, formed of a porous material, connectable to a source of fluid.
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