Foreign object barrier device for bulk material conveying ducts
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United States of America Patent
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Nov 10, 2015
Grant Date -
Oct 22, 2015
app pub date -
Apr 18, 2014
filing date -
Apr 18, 2014
priority date (Note) -
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Abstract
A device for conveying a fine bulk material including a housing with an opening therethrough for conducting such material; at least one conduit spanning such opening having a set of spaced openings along the length thereof, and connectable to a fluid pressure source; a member of porous material overlying a portion of such conduit, including end portions secured to such conduit and an intermediate portion spaced from such conduit, providing a chamber intercommunicating the openings in such conduit and the pores of such overlying member; and a magnetic bar disposed in such conduit provides a passageway between such fluid pressure source and such conduit openings.
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